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Merge branch 'conversion' into develop

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This commit is contained in:
obscuren 2015-03-21 18:18:19 +01:00
commit 7f85608f30
117 changed files with 3799 additions and 2333 deletions
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4
Godeps/Godeps.json generated
View File

@ -22,8 +22,8 @@
},
{
"ImportPath": "github.com/ethereum/ethash",
"Comment": "v23-12-g149261a",
"Rev": "149261a5d7cafc3943cbcf1d370082ec70d81e8b"
"Comment": "v23.1-26-g934bb4f",
"Rev": "934bb4f5060ab69d96fb6eba4b9a57facc4e160b"
},
{
"ImportPath": "github.com/ethereum/serpent-go",

9
Godeps/_workspace/src/github.com/ethereum/ethash/ethash.go generated vendored
View File

@ -31,8 +31,8 @@ import (
"time"
"unsafe"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/pow"
)
@ -85,7 +85,7 @@ func makeParamsAndCache(chainManager pow.ChainManager, blockNum uint64) (*Params
Epoch: blockNum / epochLength,
}
C.ethash_params_init(paramsAndCache.params, C.uint32_t(uint32(blockNum)))
paramsAndCache.cache.mem = C.malloc(paramsAndCache.params.cache_size)
paramsAndCache.cache.mem = C.malloc(C.size_t(paramsAndCache.params.cache_size))
seedHash, err := GetSeedHash(blockNum)
if err != nil {
@ -118,7 +118,7 @@ func (pow *Ethash) UpdateCache(force bool) error {
func makeDAG(p *ParamsAndCache) *DAG {
d := &DAG{
dag: C.malloc(p.params.full_size),
dag: C.malloc(C.size_t(p.params.full_size)),
file: false,
paramsAndCache: p,
}
@ -360,8 +360,7 @@ func (pow *Ethash) Search(block pow.Block, stop <-chan struct{}) (uint64, []byte
}
func (pow *Ethash) Verify(block pow.Block) bool {
return pow.verify(block.HashNoNonce(), block.MixDigest(), block.Difficulty(), block.NumberU64(), block.Nonce())
return pow.verify(block.HashNoNonce().Bytes(), block.MixDigest().Bytes(), block.Difficulty(), block.NumberU64(), block.Nonce())
}
func (pow *Ethash) verify(hash []byte, mixDigest []byte, difficulty *big.Int, blockNum uint64, nonce uint64) bool {

329
Godeps/_workspace/src/github.com/ethereum/ethash/js/cache_sizes.js generated vendored Normal file
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@ -0,0 +1,329 @@
module.exports = [
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280230976, 280361408, 280493632, 280622528, 280755392, 280887104,
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284163136, 284294848, 284426176, 284556992, 284687296, 284819264,
284950208, 285081536
];

412
Godeps/_workspace/src/github.com/ethereum/ethash/js/dag_sizes.js generated vendored Normal file
View File

@ -0,0 +1,412 @@
module.exports = [
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8581542784, 8589933952, 8598322816, 8606705024, 8615099264,
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8665430656, 8673820544, 8682209152, 8690592128, 8698977152,
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9252633472, 9261021824, 9269411456, 9277799296, 9286188928,
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9420405376, 9428795008, 9437181568, 9445570688, 9453960832,
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9546233728, 9554621312, 9563011456, 9571398784, 9579788672,
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9714003584, 9722393984, 9730772608, 9739172224, 9747561088,
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9881772416, 9890162816, 9898556288, 9906940544, 9915333248,
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10007602816, 10015996544, 10024385152, 10032774016, 10041163648,
10049548928, 10057940096, 10066329472, 10074717824, 10083105152,
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10133437312, 10141825664, 10150213504, 10158601088, 10166991232,
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10217322112, 10225712768, 10234099328, 10242489472, 10250876032,
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10301209472, 10309598848, 10317987712, 10326375296, 10334763392,
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11811157888, 11819548544, 11827932544, 11836324736, 11844713344,
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12230590336, 12238977664, 12247365248, 12255755392, 12264143488,
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12314475392, 12322865024, 12331253632, 12339640448, 12348029312,
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12733906816, 12742295168, 12750680192, 12759071872, 12767460736,
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18228444544, 18236833408, 18245220736
];

326
Godeps/_workspace/src/github.com/ethereum/ethash/js/ethash.js generated vendored
View File

@ -7,184 +7,192 @@
var Keccak = require('./keccak');
var util = require('./util');
var ethUtil = require('ethereumjs-util');
// 32-bit unsigned modulo
function mod32(x, n)
{
return (x>>>0) % (n>>>0);
function mod32(x, n) {
return (x >>> 0) % (n >>> 0);
}
function fnv(x, y)
{
// js integer multiply by 0x01000193 will lose precision
return ((x*0x01000000 | 0) + (x*0x193 | 0)) ^ y;
function fnv(x, y) {
// js integer multiply by 0x01000193 will lose precision
return ((x * 0x01000000 | 0) + (x * 0x193 | 0)) ^ y;
}
function computeCache(params, seedWords)
{
var cache = new Uint32Array(params.cacheSize >> 2);
var cacheNodeCount = params.cacheSize >> 6;
function computeCache(params, seedWords) {
var cache = new Uint32Array(params.cacheSize >> 2);
var cacheNodeCount = params.cacheSize >> 6;
// Initialize cache
var keccak = new Keccak();
keccak.digestWords(cache, 0, 16, seedWords, 0, seedWords.length);
for (var n = 1; n < cacheNodeCount; ++n)
{
keccak.digestWords(cache, n<<4, 16, cache, (n-1)<<4, 16);
}
var tmp = new Uint32Array(16);
// Do randmemohash passes
for (var r = 0; r < params.cacheRounds; ++r)
{
for (var n = 0; n < cacheNodeCount; ++n)
{
var p0 = mod32(n + cacheNodeCount - 1, cacheNodeCount) << 4;
var p1 = mod32(cache[n<<4|0], cacheNodeCount) << 4;
for (var w = 0; w < 16; w=(w+1)|0)
{
tmp[w] = cache[p0 | w] ^ cache[p1 | w];
}
keccak.digestWords(cache, n<<4, 16, tmp, 0, tmp.length);
}
}
return cache;
// Initialize cache
var keccak = new Keccak();
keccak.digestWords(cache, 0, 16, seedWords, 0, seedWords.length);
for (var n = 1; n < cacheNodeCount; ++n) {
keccak.digestWords(cache, n << 4, 16, cache, (n - 1) << 4, 16);
}
var tmp = new Uint32Array(16);
// Do randmemohash passes
for (var r = 0; r < params.cacheRounds; ++r) {
for (var n = 0; n < cacheNodeCount; ++n) {
var p0 = mod32(n + cacheNodeCount - 1, cacheNodeCount) << 4;
var p1 = mod32(cache[n << 4 | 0], cacheNodeCount) << 4;
for (var w = 0; w < 16; w = (w + 1) | 0) {
tmp[w] = cache[p0 | w] ^ cache[p1 | w];
}
keccak.digestWords(cache, n << 4, 16, tmp, 0, tmp.length);
}
}
return cache;
}
function computeDagNode(o_node, params, cache, keccak, nodeIndex)
{
var cacheNodeCount = params.cacheSize >> 6;
var dagParents = params.dagParents;
var c = (nodeIndex % cacheNodeCount) << 4;
var mix = o_node;
for (var w = 0; w < 16; ++w)
{
mix[w] = cache[c|w];
}
mix[0] ^= nodeIndex;
keccak.digestWords(mix, 0, 16, mix, 0, 16);
for (var p = 0; p < dagParents; ++p)
{
// compute cache node (word) index
c = mod32(fnv(nodeIndex ^ p, mix[p&15]), cacheNodeCount) << 4;
for (var w = 0; w < 16; ++w)
{
mix[w] = fnv(mix[w], cache[c|w]);
}
}
keccak.digestWords(mix, 0, 16, mix, 0, 16);
function computeDagNode(o_node, params, cache, keccak, nodeIndex) {
var cacheNodeCount = params.cacheSize >> 6;
var dagParents = params.dagParents;
var c = (nodeIndex % cacheNodeCount) << 4;
var mix = o_node;
for (var w = 0; w < 16; ++w) {
mix[w] = cache[c | w];
}
mix[0] ^= nodeIndex;
keccak.digestWords(mix, 0, 16, mix, 0, 16);
for (var p = 0; p < dagParents; ++p) {
// compute cache node (word) index
c = mod32(fnv(nodeIndex ^ p, mix[p & 15]), cacheNodeCount) << 4;
for (var w = 0; w < 16; ++w) {
mix[w] = fnv(mix[w], cache[c | w]);
}
}
keccak.digestWords(mix, 0, 16, mix, 0, 16);
}
function computeHashInner(mix, params, cache, keccak, tempNode)
{
var mixParents = params.mixParents|0;
var mixWordCount = params.mixSize >> 2;
var mixNodeCount = mixWordCount >> 4;
var dagPageCount = (params.dagSize / params.mixSize) >> 0;
// grab initial first word
var s0 = mix[0];
// initialise mix from initial 64 bytes
for (var w = 16; w < mixWordCount; ++w)
{
mix[w] = mix[w & 15];
}
for (var a = 0; a < mixParents; ++a)
{
var p = mod32(fnv(s0 ^ a, mix[a & (mixWordCount-1)]), dagPageCount);
var d = (p * mixNodeCount)|0;
for (var n = 0, w = 0; n < mixNodeCount; ++n, w += 16)
{
computeDagNode(tempNode, params, cache, keccak, (d + n)|0);
for (var v = 0; v < 16; ++v)
{
mix[w|v] = fnv(mix[w|v], tempNode[v]);
}
}
}
function computeHashInner(mix, params, cache, keccak, tempNode) {
var mixParents = params.mixParents | 0;
var mixWordCount = params.mixSize >> 2;
var mixNodeCount = mixWordCount >> 4;
var dagPageCount = (params.dagSize / params.mixSize) >> 0;
// grab initial first word
var s0 = mix[0];
// initialise mix from initial 64 bytes
for (var w = 16; w < mixWordCount; ++w) {
mix[w] = mix[w & 15];
}
for (var a = 0; a < mixParents; ++a) {
var p = mod32(fnv(s0 ^ a, mix[a & (mixWordCount - 1)]), dagPageCount);
var d = (p * mixNodeCount) | 0;
for (var n = 0, w = 0; n < mixNodeCount; ++n, w += 16) {
computeDagNode(tempNode, params, cache, keccak, (d + n) | 0);
for (var v = 0; v < 16; ++v) {
mix[w | v] = fnv(mix[w | v], tempNode[v]);
}
}
}
}
function convertSeed(seed)
{
// todo, reconcile with spec, byte ordering?
// todo, big-endian conversion
var newSeed = util.toWords(seed);
if (newSeed === null)
throw Error("Invalid seed '" + seed + "'");
return newSeed;
function convertSeed(seed) {
// todo, reconcile with spec, byte ordering?
// todo, big-endian conversion
var newSeed = util.toWords(seed);
if (newSeed === null)
throw Error("Invalid seed '" + seed + "'");
return newSeed;
}
exports.defaultParams = function()
{
return {
cacheSize: 1048384,
cacheRounds: 3,
dagSize: 1073739904,
dagParents: 256,
mixSize: 128,
mixParents: 64,
};
var params = exports.params = {
REVISION: 23,
DATASET_BYTES_INIT: 1073741824,
DATASET_BYTES_GROWTH: 8388608,
CACHE_BYTES_INIT: 1073741824,
CACHE_BYTES_GROWTH: 131072,
EPOCH_LENGTH: 30000,
MIX_BYTES: 128,
HASH_BYTES: 64,
DATASET_PARENTS: 256,
CACHE_ROUNDS: 3,
ACCESSES: 64
};
exports.Ethash = function(params, seed)
{
// precompute cache and related values
seed = convertSeed(seed);
var cache = computeCache(params, seed);
// preallocate buffers/etc
var initBuf = new ArrayBuffer(96);
var initBytes = new Uint8Array(initBuf);
var initWords = new Uint32Array(initBuf);
var mixWords = new Uint32Array(params.mixSize / 4);
var tempNode = new Uint32Array(16);
var keccak = new Keccak();
var retWords = new Uint32Array(8);
var retBytes = new Uint8Array(retWords.buffer); // supposedly read-only
this.hash = function(header, nonce)
{
// compute initial hash
initBytes.set(header, 0);
initBytes.set(nonce, 32);
keccak.digestWords(initWords, 0, 16, initWords, 0, 8 + nonce.length/4);
// compute mix
for (var i = 0; i != 16; ++i)
{
mixWords[i] = initWords[i];
}
computeHashInner(mixWords, params, cache, keccak, tempNode);
// compress mix and append to initWords
for (var i = 0; i != mixWords.length; i += 4)
{
initWords[16 + i/4] = fnv(fnv(fnv(mixWords[i], mixWords[i+1]), mixWords[i+2]), mixWords[i+3]);
}
// final Keccak hashes
keccak.digestWords(retWords, 0, 8, initWords, 0, 24); // Keccak-256(s + cmix)
return retBytes;
};
this.cacheDigest = function()
{
return keccak.digest(32, new Uint8Array(cache.buffer));
};
var cache_sizes = require('./cache_sizes');
var dag_sizes = require('./dag_sizes');
exports.calcSeed = function(blockNum) {
var epoch;
var seed = new Uint8Array(32);
if (blockNum > cache_sizes.length * params.EPOCH_LENGTH) {
return new Error('Time to upgrade to POS!!!');
} else {
epoch = Math.floor(blockNum / params.EPOCH_LENGTH);
for (var i = 0; i < epoch; i++) {
seed = ethUtil.sha3(new Buffer(seed));
}
return seed;
}
};
exports.defaultParams = function() {
return {
cacheSize: 1048384,
cacheRounds: 3,
dagSize: 1073739904,
dagParents: 256,
mixSize: 128,
mixParents: 64
};
};
exports.Ethash = function(params, seed) {
// precompute cache and related values
// seed = convertSeed(seed);
var cache = computeCache(params, seed);
// preallocate buffers/etc
var initBuf = new ArrayBuffer(96);
var initBytes = new Uint8Array(initBuf);
var initWords = new Uint32Array(initBuf);
var mixWords = new Uint32Array(params.mixSize / 4);
var tempNode = new Uint32Array(16);
var keccak = new Keccak();
var retWords = new Uint32Array(8);
var retBytes = new Uint8Array(retWords.buffer); // supposedly read-only
this.hash = function(header, nonce) {
// compute initial hash
initBytes.set(header, 0);
initBytes.set(nonce, 32);
keccak.digestWords(initWords, 0, 16, initWords, 0, 8 + nonce.length / 4);
// compute mix
for (var i = 0; i !== 16; ++i) {
mixWords[i] = initWords[i];
}
computeHashInner(mixWords, params, cache, keccak, tempNode);
// compress mix and append to initWords
for (var i = 0; i !== mixWords.length; i += 4) {
initWords[16 + i / 4] = fnv(fnv(fnv(mixWords[i], mixWords[i + 1]), mixWords[i + 2]), mixWords[i + 3]);
}
// final Keccak hashes
keccak.digestWords(retWords, 0, 8, initWords, 0, 24); // Keccak-256(s + cmix)
return retBytes;
};
this.cacheDigest = function() {
return keccak.digest(32, new Uint8Array(cache.buffer));
};
};

21
Godeps/_workspace/src/github.com/ethereum/ethash/js/package.json generated vendored Normal file
View File

@ -0,0 +1,21 @@
{
"name": "ethash.js",
"version": "0.0.1",
"description": "",
"main": "ethash.js",
"scripts": {
"test": "node ./test/test.js"
},
"repository": {
"type": "git",
"url": "https://github.com/ethereum/ethash/tree/master/js"
},
"keywords": [
"ethereum"
],
"author": "",
"license": "mit",
"devDependencies": {
"ethereum-tests": "0.0.5"
}
}

48
Godeps/_workspace/src/github.com/ethereum/ethash/js/test/seedHash.js generated vendored Normal file
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@ -0,0 +1,48 @@
var tape = require('tape');
const ethash = require('../ethash.js');
tape('seed hash', function(t) {
t.test('seed should match TRUTH', function(st) {
const seed = '290decd9548b62a8d60345a988386fc84ba6bc95484008f6362f93160ef3e563';
const blockNum = 30000;
var r = new Buffer(ethash.calcSeed(blockNum));
st.equal(r.toString('hex'), seed);
st.end();
});
t.test('seed should match TRUTH2', function(st) {
const seed = '510e4e770828ddbf7f7b00ab00a9f6adaf81c0dc9cc85f1f8249c256942d61d9';
const blockNum = 60000;
var r = new Buffer(ethash.calcSeed(blockNum));
st.equal(r.toString('hex'), seed);
st.end();
});
t.test('seed should match TRUTH3', function(st) {
const seed = '510e4e770828ddbf7f7b00ab00a9f6adaf81c0dc9cc85f1f8249c256942d61d9';
const blockNum = 60700;
var r = new Buffer(ethash.calcSeed(blockNum));
st.equal(r.toString('hex'), seed);
st.end();
});
t.test('randomized tests', function(st) {
for (var i = 0; i < 100; i++) {
var x = Math.floor(ethash.params.EPOCH_LENGTH * 2048 * Math.random());
st.equal(ethash.calcSeed(x).toString('hex'), ethash.calcSeed(Math.floor(x / ethash.params.EPOCH_LENGTH) * ethash.params.EPOCH_LENGTH ).toString('hex'));
}
st.end();
});
// '510e4e770828ddbf7f7b00ab00a9f6adaf81c0dc9cc85f1f8249c256942d61d9'
// [7:13:32 PM] Matthew Wampler-Doty: >>> x = randint(0,700000)
//
// >>> pyethash.get_seedhash(x).encode('hex') == pyethash.get_seedhash((x // pyethash.EPOCH_LENGTH) * pyethash.EPOCH_LENGTH).encode('hex')
});

19
Godeps/_workspace/src/github.com/ethereum/ethash/js/test.js → Godeps/_workspace/src/github.com/ethereum/ethash/js/test/test.js generated vendored
View File

@ -4,9 +4,9 @@
/*jslint node: true, shadow:true */
"use strict";
var ethash = require('./ethash');
var util = require('./util');
var Keccak = require('./keccak');
var ethash = require('../ethash');
var util = require('../util');
var Keccak = require('../keccak');
// sanity check hash functions
var src = util.stringToBytes("");
@ -31,23 +31,22 @@ var ethashParams = ethash.defaultParams();
var seed = util.hexStringToBytes("9410b944535a83d9adf6bbdcc80e051f30676173c16ca0d32d6f1263fc246466")
var startTime = new Date().getTime();
var hasher = new ethash.Ethash(ethashParams, seed);
console.log('Ethash startup took: '+(new Date().getTime() - startTime) + "ms");
console.log('Ethash startup took: ' + (new Date().getTime() - startTime) + "ms");
console.log('Ethash cache hash: ' + util.bytesToHexString(hasher.cacheDigest()));
var testHexString = "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470";
if (testHexString != util.bytesToHexString(util.hexStringToBytes(testHexString)))
throw Error("bytesToHexString or hexStringToBytes broken");
throw Error("bytesToHexString or hexStringToBytes broken");
var header = util.hexStringToBytes("c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470");
var nonce = util.hexStringToBytes("0000000000000000");
var hash;
startTime = new Date().getTime();
var trials = 10;
for (var i = 0; i < trials; ++i)
{
hash = hasher.hash(header, nonce);
for (var i = 0; i < trials; ++i) {
hash = hasher.hash(header, nonce);
}
console.log("Light client hashes averaged: " + (new Date().getTime() - startTime)/trials + "ms");
console.log("Light client hashes averaged: " + (new Date().getTime() - startTime) / trials + "ms");
console.log("Hash = " + util.bytesToHexString(hash));

4
Godeps/_workspace/src/github.com/ethereum/ethash/setup.py generated vendored
View File

@ -25,9 +25,9 @@ setup (
author = "Matthew Wampler-Doty",
author_email = "matthew.wampler.doty@gmail.com",
license = 'GPL',
version = '23',
version = '23.1',
url = 'https://github.com/ethereum/ethash',
download_url = 'https://github.com/ethereum/ethash/tarball/v23',
download_url = 'https://github.com/ethereum/ethash/tarball/v23.1',
description = 'Python wrappers for ethash, the ethereum proof of work hashing function',
ext_modules = [pyethash],
)

4
Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/data_sizes.h generated vendored
View File

@ -48,7 +48,7 @@ extern "C" {
// Sow[i*HashBytes]; j++]]]][[2]][[1]]
static const size_t dag_sizes[2048] = {
static const uint64_t dag_sizes[2048] = {
1073739904U, 1082130304U, 1090514816U, 1098906752U, 1107293056U,
1115684224U, 1124070016U, 1132461952U, 1140849536U, 1149232768U,
1157627776U, 1166013824U, 1174404736U, 1182786944U, 1191180416U,
@ -477,7 +477,7 @@ static const size_t dag_sizes[2048] = {
// While[! PrimeQ[i], i--];
// Sow[i*HashBytes]; j++]]]][[2]][[1]]
const size_t cache_sizes[2048] = {
const uint64_t cache_sizes[2048] = {
16776896U, 16907456U, 17039296U, 17170112U, 17301056U, 17432512U, 17563072U,
17693888U, 17824192U, 17955904U, 18087488U, 18218176U, 18349504U, 18481088U,
18611392U, 18742336U, 18874304U, 19004224U, 19135936U, 19267264U, 19398208U,

43
Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/ethash.h generated vendored
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@ -43,8 +43,8 @@ extern "C" {
#endif
typedef struct ethash_params {
size_t full_size; // Size of full data set (in bytes, multiple of mix size (128)).
size_t cache_size; // Size of compute cache (in bytes, multiple of node size (64)).
uint64_t full_size; // Size of full data set (in bytes, multiple of mix size (128)).
uint64_t cache_size; // Size of compute cache (in bytes, multiple of node size (64)).
} ethash_params;
typedef struct ethash_return_value {
@ -52,45 +52,52 @@ typedef struct ethash_return_value {
uint8_t mix_hash[32];
} ethash_return_value;
size_t ethash_get_datasize(const uint32_t block_number);
size_t ethash_get_cachesize(const uint32_t block_number);
uint64_t ethash_get_datasize(const uint32_t block_number);
uint64_t ethash_get_cachesize(const uint32_t block_number);
// initialize the parameters
static inline void ethash_params_init(ethash_params *params, const uint32_t block_number) {
// Initialize the Parameters
static inline int ethash_params_init(ethash_params *params, const uint32_t block_number) {
params->full_size = ethash_get_datasize(block_number);
if (params->full_size == 0)
return 0;
params->cache_size = ethash_get_cachesize(block_number);
if (params->cache_size == 0)
return 0;
return 1;
}
typedef struct ethash_cache {
void *mem;
} ethash_cache;
void ethash_mkcache(ethash_cache *cache, ethash_params const *params, const uint8_t seed[32]);
void ethash_compute_full_data(void *mem, ethash_params const *params, ethash_cache const *cache);
void ethash_full(ethash_return_value *ret, void const *full_mem, ethash_params const *params, const uint8_t header_hash[32], const uint64_t nonce);
void ethash_light(ethash_return_value *ret, ethash_cache const *cache, ethash_params const *params, const uint8_t header_hash[32], const uint64_t nonce);
int ethash_mkcache(ethash_cache *cache, ethash_params const *params, const uint8_t seed[32]);
int ethash_compute_full_data(void *mem, ethash_params const *params, ethash_cache const *cache);
int ethash_full(ethash_return_value *ret, void const *full_mem, ethash_params const *params, const uint8_t header_hash[32], const uint64_t nonce);
int ethash_light(ethash_return_value *ret, ethash_cache const *cache, ethash_params const *params, const uint8_t header_hash[32], const uint64_t nonce);
void ethash_get_seedhash(uint8_t seedhash[32], const uint32_t block_number);
static inline void ethash_prep_light(void *cache, ethash_params const *params, const uint8_t seed[32]) {
static inline int ethash_prep_light(void *cache, ethash_params const *params, const uint8_t seed[32]) {
ethash_cache c;
c.mem = cache;
ethash_mkcache(&c, params, seed);
return ethash_mkcache(&c, params, seed);
}
static inline void ethash_compute_light(ethash_return_value *ret, void const *cache, ethash_params const *params, const uint8_t header_hash[32], const uint64_t nonce) {
static inline int ethash_compute_light(ethash_return_value *ret, void const *cache, ethash_params const *params, const uint8_t header_hash[32], const uint64_t nonce) {
ethash_cache c;
c.mem = (void *) cache;
ethash_light(ret, &c, params, header_hash, nonce);
return ethash_light(ret, &c, params, header_hash, nonce);
}
static inline void ethash_prep_full(void *full, ethash_params const *params, void const *cache) {
static inline int ethash_prep_full(void *full, ethash_params const *params, void const *cache) {
ethash_cache c;
c.mem = (void *) cache;
ethash_compute_full_data(full, params, &c);
return ethash_compute_full_data(full, params, &c);
}
static inline void ethash_compute_full(ethash_return_value *ret, void const *full, ethash_params const *params, const uint8_t header_hash[32], const uint64_t nonce) {
ethash_full(ret, full, params, header_hash, nonce);
static inline int ethash_compute_full(ethash_return_value *ret, void const *full, ethash_params const *params, const uint8_t header_hash[32], const uint64_t nonce) {
return ethash_full(ret, full, params, header_hash, nonce);
}
// Returns if hash is less than or equal to difficulty

92
Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/internal.c generated vendored
View File

@ -20,7 +20,6 @@
* @date 2015
*/
#include <assert.h>
#include <inttypes.h>
#include <stddef.h>
#include "ethash.h"
@ -29,6 +28,9 @@
#include "internal.h"
#include "data_sizes.h"
// Inline assembly doesn't work
#define ENABLE_SSE 0
#ifdef WITH_CRYPTOPP
#include "sha3_cryptopp.h"
@ -37,24 +39,29 @@
#include "sha3.h"
#endif // WITH_CRYPTOPP
size_t ethash_get_datasize(const uint32_t block_number) {
assert(block_number / EPOCH_LENGTH < 2048);
uint64_t ethash_get_datasize(const uint32_t block_number) {
if (block_number / EPOCH_LENGTH >= 2048)
return 0;
return dag_sizes[block_number / EPOCH_LENGTH];
}
size_t ethash_get_cachesize(const uint32_t block_number) {
assert(block_number / EPOCH_LENGTH < 2048);
uint64_t ethash_get_cachesize(const uint32_t block_number) {
if (block_number / EPOCH_LENGTH >= 2048)
return 0;
return cache_sizes[block_number / EPOCH_LENGTH];
}
// Follows Sergio's "STRICT MEMORY HARD HASHING FUNCTIONS" (2014)
// https://bitslog.files.wordpress.com/2013/12/memohash-v0-3.pdf
// SeqMemoHash(s, R, N)
void static ethash_compute_cache_nodes(
int static ethash_compute_cache_nodes(
node *const nodes,
ethash_params const *params,
const uint8_t seed[32]) {
assert((params->cache_size % sizeof(node)) == 0);
if ((params->cache_size % sizeof(node)) != 0)
return 0;
uint32_t const num_nodes = (uint32_t) (params->cache_size / sizeof(node));
SHA3_512(nodes[0].bytes, seed, 32);
@ -82,22 +89,27 @@ void static ethash_compute_cache_nodes(
nodes->words[w] = fix_endian32(nodes->words[w]);
}
#endif
return 1;
}
void ethash_mkcache(
int ethash_mkcache(
ethash_cache *cache,
ethash_params const *params,
const uint8_t seed[32]) {
node *nodes = (node *) cache->mem;
ethash_compute_cache_nodes(nodes, params, seed);
return ethash_compute_cache_nodes(nodes, params, seed);
}
void ethash_calculate_dag_item(
int ethash_calculate_dag_item(
node *const ret,
const unsigned node_index,
const uint64_t node_index,
const struct ethash_params *params,
const struct ethash_cache *cache) {
if (params->cache_size % sizeof(node) != 0)
return 0;
uint32_t num_parent_nodes = (uint32_t) (params->cache_size / sizeof(node));
node const *cache_nodes = (node const *) cache->mem;
node const *init = &cache_nodes[node_index % num_parent_nodes];
@ -145,23 +157,58 @@ void ethash_calculate_dag_item(
}
SHA3_512(ret->bytes, ret->bytes, sizeof(node));
return 1;
}
void ethash_compute_full_data(
int ethash_compute_full_data(
void *mem,
ethash_params const *params,
ethash_cache const *cache) {
assert((params->full_size % (sizeof(uint32_t) * MIX_WORDS)) == 0);
assert((params->full_size % sizeof(node)) == 0);
if ((params->full_size % (sizeof(uint32_t) * MIX_WORDS)) != 0)
return 0;
if ((params->full_size % sizeof(node)) != 0)
return 0;
node *full_nodes = mem;
// now compute full nodes
for (unsigned n = 0; n != (params->full_size / sizeof(node)); ++n) {
for (uint64_t n = 0; n != (params->full_size / sizeof(node)); ++n) {
ethash_calculate_dag_item(&(full_nodes[n]), n, params, cache);
}
return 1;
}
static void ethash_hash(
int ethash_compute_full_data_section(
void *mem,
ethash_params const *params,
ethash_cache const *cache,
uint64_t const start,
uint64_t const end) {
if ((params->full_size % (sizeof(uint32_t) * MIX_WORDS)) != 0)
return 0;
if ((params->full_size % sizeof(node)) != 0)
return 0;
if (end >= params->full_size)
return 0;
if (start >= end)
return 0;
node *full_nodes = mem;
// now compute full nodes
for (uint64_t n = start; n != end; ++n) {
ethash_calculate_dag_item(&(full_nodes[n]), n, params, cache);
}
return 1;
}
static int ethash_hash(
ethash_return_value *ret,
node const *full_nodes,
ethash_cache const *cache,
@ -169,10 +216,10 @@ static void ethash_hash(
const uint8_t header_hash[32],
const uint64_t nonce) {
assert((params->full_size % MIX_WORDS) == 0);
if ((params->full_size % MIX_WORDS) != 0)
return 0;
// pack hash and nonce together into first 40 bytes of s_mix
assert(sizeof(node) * 8 == 512);
node s_mix[MIX_NODES + 1];
memcpy(s_mix[0].bytes, header_hash, 32);
@ -254,6 +301,7 @@ static void ethash_hash(
memcpy(ret->mix_hash, mix->bytes, 32);
// final Keccak hash
SHA3_256(ret->result, s_mix->bytes, 64 + 32); // Keccak-256(s + compressed_mix)
return 1;
}
void ethash_quick_hash(
@ -291,10 +339,10 @@ int ethash_quick_check_difficulty(
return ethash_check_difficulty(return_hash, difficulty);
}
void ethash_full(ethash_return_value *ret, void const *full_mem, ethash_params const *params, const uint8_t previous_hash[32], const uint64_t nonce) {
ethash_hash(ret, (node const *) full_mem, NULL, params, previous_hash, nonce);
int ethash_full(ethash_return_value *ret, void const *full_mem, ethash_params const *params, const uint8_t previous_hash[32], const uint64_t nonce) {
return ethash_hash(ret, (node const *) full_mem, NULL, params, previous_hash, nonce);
}
void ethash_light(ethash_return_value *ret, ethash_cache const *cache, ethash_params const *params, const uint8_t previous_hash[32], const uint64_t nonce) {
ethash_hash(ret, NULL, cache, params, previous_hash, nonce);
int ethash_light(ethash_return_value *ret, ethash_cache const *cache, ethash_params const *params, const uint8_t previous_hash[32], const uint64_t nonce) {
return ethash_hash(ret, NULL, cache, params, previous_hash, nonce);
}

4
Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/internal.h generated vendored
View File

@ -30,9 +30,9 @@ typedef union node {
} node;
void ethash_calculate_dag_item(
int ethash_calculate_dag_item(
node *const ret,
const unsigned node_index,
const uint64_t node_index,
ethash_params const *params,
ethash_cache const *cache
);

14
Godeps/_workspace/src/github.com/ethereum/ethash/src/python/core.c generated vendored
View File

@ -58,7 +58,7 @@ mkcache_bytes(PyObject *self, PyObject *args) {
}
ethash_params params;
params.cache_size = (size_t) cache_size;
params.cache_size = (uint64_t) cache_size;
ethash_cache cache;
cache.mem = malloc(cache_size);
ethash_mkcache(&cache, &params, (uint8_t *) seed);
@ -92,8 +92,8 @@ calc_dataset_bytes(PyObject *self, PyObject *args) {
}
ethash_params params;
params.cache_size = (size_t) cache_size;
params.full_size = (size_t) full_size;
params.cache_size = (uint64_t) cache_size;
params.full_size = (uint64_t) full_size;
ethash_cache cache;
cache.mem = (void *) cache_bytes;
void *mem = malloc(params.full_size);
@ -138,8 +138,8 @@ hashimoto_light(PyObject *self, PyObject *args) {
ethash_return_value out;
ethash_params params;
params.cache_size = (size_t) cache_size;
params.full_size = (size_t) full_size;
params.cache_size = (uint64_t) cache_size;
params.full_size = (uint64_t) full_size;
ethash_cache cache;
cache.mem = (void *) cache_bytes;
ethash_light(&out, &cache, &params, (uint8_t *) header, nonce);
@ -175,7 +175,7 @@ hashimoto_full(PyObject *self, PyObject *args) {
ethash_return_value out;
ethash_params params;
params.full_size = (size_t) full_size;
params.full_size = (uint64_t) full_size;
ethash_full(&out, (void *) full_bytes, &params, (uint8_t *) header, nonce);
return Py_BuildValue("{s:s#, s:s#}",
"mix digest", out.mix_hash, 32,
@ -216,7 +216,7 @@ mine(PyObject *self, PyObject *args) {
ethash_return_value out;
ethash_params params;
params.full_size = (size_t) full_size;
params.full_size = (uint64_t) full_size;
// TODO: Multi threading?
do {

10
Godeps/_workspace/src/github.com/ethereum/ethash/test/c/test.cpp generated vendored
View File

@ -17,7 +17,7 @@
#include <boost/test/unit_test.hpp>
#include <iostream>
std::string bytesToHexString(const uint8_t *str, const size_t s) {
std::string bytesToHexString(const uint8_t *str, const uint32_t s) {
std::ostringstream ret;
for (int i = 0; i < s; ++i)
@ -80,9 +80,11 @@ BOOST_AUTO_TEST_CASE(ethash_params_init_genesis_check) {
BOOST_AUTO_TEST_CASE(ethash_params_init_genesis_calcifide_check) {
ethash_params params;
ethash_params_init(&params, 0);
const uint32_t expected_full_size = 1073739904;
const uint32_t expected_cache_size = 16776896;
BOOST_REQUIRE_MESSAGE(ethash_params_init(&params, 0),
"Params could not be initialized");
const uint32_t
expected_full_size = 1073739904,
expected_cache_size = 16776896;
BOOST_REQUIRE_MESSAGE(params.full_size == expected_full_size,
"\nexpected: " << expected_cache_size << "\n"
<< "actual: " << params.full_size << "\n");

7
Godeps/_workspace/src/github.com/ethereum/ethash/test/test.sh generated vendored
View File

@ -14,11 +14,8 @@ TEST_DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
echo -e "\n################# Testing JS ##################"
# TODO: Use mocha and real testing tools instead of rolling our own
cd $TEST_DIR/../js
if [ -x "$(which nodejs)" ] ; then
nodejs test.js
fi
if [ -x "$(which node)" ] ; then
node test.js
if [ -x "$(which npm)" ] ; then
npm test
fi
echo -e "\n################# Testing C ##################"

291
blockpool/blockpool.go
View File

@ -1,14 +1,16 @@
package blockpool
import (
"bytes"
"fmt"
"math/big"
"sync"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/errs"
"github.com/ethereum/go-ethereum/event"
ethlogger "github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/pow"
)
@ -32,12 +34,15 @@ var (
blockHashesTimeout = 60 * time.Second
// timeout interval: max time allowed for peer without sending a block
blocksTimeout = 60 * time.Second
//
// timeout interval: max time allowed for best peer to remain idle (not send new block after sync complete)
idleBestPeerTimeout = 120 * time.Second
// duration of suspension after peer fatal error during which peer is not allowed to reconnect
peerSuspensionInterval = 300 * time.Second
// status is logged every statusUpdateInterval
statusUpdateInterval = 3 * time.Second
)
// config embedded in components, by default fall back to constants
// by default all resolved to local
// blockpool config, values default to constants
type Config struct {
BlockHashesBatchSize int
BlockBatchSize int
@ -48,26 +53,41 @@ type Config struct {
BlockHashesTimeout time.Duration
BlocksTimeout time.Duration
IdleBestPeerTimeout time.Duration
PeerSuspensionInterval time.Duration
StatusUpdateInterval time.Duration
}
// blockpool errors
const (
ErrInvalidBlock = iota
ErrInvalidPoW
ErrUnrequestedBlock
ErrInsufficientChainInfo
ErrIdleTooLong
ErrIncorrectTD
ErrUnrequestedBlock
)
// error descriptions
var errorToString = map[int]string{
ErrInvalidBlock: "Invalid block",
ErrInvalidPoW: "Invalid PoW",
ErrInvalidBlock: "Invalid block", // fatal
ErrInvalidPoW: "Invalid PoW", // fatal
ErrInsufficientChainInfo: "Insufficient chain info", // fatal
ErrIdleTooLong: "Idle too long", // fatal
ErrIncorrectTD: "Incorrect Total Difficulty", // fatal
ErrUnrequestedBlock: "Unrequested block",
ErrInsufficientChainInfo: "Insufficient chain info",
ErrIdleTooLong: "Idle too long",
}
// init initialises all your laundry
// error severity
func severity(code int) ethlogger.LogLevel {
switch code {
case ErrUnrequestedBlock:
return ethlogger.WarnLevel
default:
return ethlogger.ErrorLevel
}
}
// init initialises the Config, zero values fall back to constants
func (self *Config) init() {
if self.BlockHashesBatchSize == 0 {
self.BlockHashesBatchSize = blockHashesBatchSize
@ -96,12 +116,18 @@ func (self *Config) init() {
if self.IdleBestPeerTimeout == 0 {
self.IdleBestPeerTimeout = idleBestPeerTimeout
}
if self.PeerSuspensionInterval == 0 {
self.PeerSuspensionInterval = peerSuspensionInterval
}
if self.StatusUpdateInterval == 0 {
self.StatusUpdateInterval = statusUpdateInterval
}
}
// node is the basic unit of the internal model of block chain/tree in the blockpool
type node struct {
lock sync.RWMutex
hash []byte
hash common.Hash
block *types.Block
hashBy string
blockBy string
@ -122,31 +148,41 @@ type entry struct {
type BlockPool struct {
Config *Config
// the minimal interface with blockchain
hasBlock func(hash []byte) bool
insertChain func(types.Blocks) error
verifyPoW func(pow.Block) bool
// the minimal interface with blockchain manager
hasBlock func(hash common.Hash) bool // query if block is known
insertChain func(types.Blocks) error // add section to blockchain
verifyPoW func(pow.Block) bool // soft PoW verification
chainEvents *event.TypeMux // ethereum eventer for chainEvents
pool map[string]*entry
peers *peers
tdSub event.Subscription // subscription to core.ChainHeadEvent
td *big.Int // our own total difficulty
pool map[common.Hash]*entry // the actual blockpool
peers *peers // peers manager in peers.go
status *status // info about blockpool (UI interface) in status.go
lock sync.RWMutex
chainLock sync.RWMutex
// alloc-easy pool of hash slices
hashSlicePool chan [][]byte
hashSlicePool chan []common.Hash
status *status
quit chan bool
wg sync.WaitGroup
running bool
// waitgroup is used in tests to wait for result-critical routines
// as well as in determining idle / syncing status
wg sync.WaitGroup //
quit chan bool // chan used for quitting parallel routines
running bool //
}
// public constructor
// after blockpool returned, config can be set
// BlockPool.Start will call Config.init to set missing values
func New(
hasBlock func(hash []byte) bool,
hasBlock func(hash common.Hash) bool,
insertChain func(types.Blocks) error,
verifyPoW func(pow.Block) bool,
chainEvents *event.TypeMux,
td *big.Int,
) *BlockPool {
return &BlockPool{
@ -154,15 +190,8 @@ func New(
hasBlock: hasBlock,
insertChain: insertChain,
verifyPoW: verifyPoW,
}
}
func severity(code int) ethlogger.LogLevel {
switch code {
case ErrUnrequestedBlock:
return ethlogger.WarnLevel
default:
return ethlogger.ErrorLevel
chainEvents: chainEvents,
td: td,
}
}
@ -175,11 +204,13 @@ func (self *BlockPool) Start() {
return
}
// set missing values
self.Config.init()
self.hashSlicePool = make(chan [][]byte, 150)
self.hashSlicePool = make(chan []common.Hash, 150)
self.status = newStatus()
self.quit = make(chan bool)
self.pool = make(map[string]*entry)
self.pool = make(map[common.Hash]*entry)
self.running = true
self.peers = &peers{
@ -188,16 +219,37 @@ func (self *BlockPool) Start() {
Errors: errorToString,
Level: severity,
},
peers: make(map[string]*peer),
status: self.status,
bp: self,
peers: make(map[string]*peer),
blacklist: make(map[string]time.Time),
status: self.status,
bp: self,
}
timer := time.NewTicker(3 * time.Second)
// subscribe and listen to core.ChainHeadEvent{} for uptodate TD
self.tdSub = self.chainEvents.Subscribe(core.ChainHeadEvent{})
// status update interval
timer := time.NewTicker(self.Config.StatusUpdateInterval)
go func() {
for {
select {
case <-self.quit:
return
case event := <-self.tdSub.Chan():
if ev, ok := event.(core.ChainHeadEvent); ok {
td := ev.Block.Td
plog.DebugDetailf("td: %v", td)
self.setTD(td)
self.peers.lock.Lock()
if best := self.peers.best; best != nil {
if td.Cmp(best.td) >= 0 {
self.peers.best = nil
self.switchPeer(best, nil)
}
}
self.peers.lock.Unlock()
}
case <-timer.C:
plog.DebugDetailf("status:\n%v", self.Status())
}
@ -218,6 +270,7 @@ func (self *BlockPool) Stop() {
plog.Infoln("Stopping...")
self.tdSub.Unsubscribe()
close(self.quit)
self.lock.Lock()
@ -255,19 +308,24 @@ func (self *BlockPool) Wait(t time.Duration) {
/*
AddPeer is called by the eth protocol instance running on the peer after
the status message has been received with total difficulty and current block hash
Called a second time with the same peer id, it is used to update chain info for a peer. This is used when a new (mined) block message is received.
Called a second time with the same peer id, it is used to update chain info for a peer.
This is used when a new (mined) block message is received.
RemovePeer needs to be called when the peer disconnects.
Peer info is currently not persisted across disconnects (or sessions)
Peer info is currently not persisted across disconnects (or sessions) except for suspension
*/
func (self *BlockPool) AddPeer(
td *big.Int, currentBlockHash []byte,
td *big.Int, currentBlockHash common.Hash,
peerId string,
requestBlockHashes func([]byte) error,
requestBlocks func([][]byte) error,
requestBlockHashes func(common.Hash) error,
requestBlocks func([]common.Hash) error,
peerError func(*errs.Error),
) (best bool) {
) (best bool, suspended bool) {
return self.peers.addPeer(td, currentBlockHash, peerId, requestBlockHashes, requestBlocks, peerError)
}
@ -282,14 +340,14 @@ AddBlockHashes
Entry point for eth protocol to add block hashes received via BlockHashesMsg
only hashes from the best peer are handled
Only hashes from the best peer are handled
initiates further hash requests until a known parent is reached (unless cancelled by a peerSwitch event, i.e., when a better peer becomes best peer)
launches all block request processes on each chain section
Initiates further hash requests until a known parent is reached (unless cancelled by a peerSwitch event, i.e., when a better peer becomes best peer)
Launches all block request processes on each chain section
the first argument is an iterator function. Using this block hashes are decoded from the rlp message payload on demand. As a result, AddBlockHashes needs to run synchronously for one peer since the message is discarded if the caller thread returns.
The first argument is an iterator function. Using this block hashes are decoded from the rlp message payload on demand. As a result, AddBlockHashes needs to run synchronously for one peer since the message is discarded if the caller thread returns.
*/
func (self *BlockPool) AddBlockHashes(next func() ([]byte, bool), peerId string) {
func (self *BlockPool) AddBlockHashes(next func() (common.Hash, bool), peerId string) {
bestpeer, best := self.peers.getPeer(peerId)
if !best {
@ -298,7 +356,6 @@ func (self *BlockPool) AddBlockHashes(next func() ([]byte, bool), peerId string)
// bestpeer is still the best peer
self.wg.Add(1)
defer func() { self.wg.Done() }()
self.status.lock.Lock()
@ -306,7 +363,7 @@ func (self *BlockPool) AddBlockHashes(next func() ([]byte, bool), peerId string)
self.status.lock.Unlock()
var n int
var hash []byte
var hash common.Hash
var ok, headSection, peerswitch bool
var sec, child, parent *section
var entry *entry
@ -318,16 +375,16 @@ func (self *BlockPool) AddBlockHashes(next func() ([]byte, bool), peerId string)
plog.Debugf("AddBlockHashes: peer <%s> starting from [%s] (peer head: %s)", peerId, hex(bestpeer.parentHash), hex(bestpeer.currentBlockHash))
// first check if we are building the head section of a peer's chain
if bytes.Equal(bestpeer.parentHash, hash) {
if bestpeer.parentHash == hash {
if self.hasBlock(bestpeer.currentBlockHash) {
return
}
/*
when peer is promoted in switchPeer, a new header section process is launched
as the head section skeleton is actually created here, it is signaled to the process
so that it can quit
in the special case that the node for parent of the head block is found in the blockpool
(with or without fetched block)
When peer is promoted in switchPeer, a new header section process is launched.
Once the head section skeleton is actually created here, it is signaled to the process
so that it can quit.
In the special case that the node for parent of the head block is found in the blockpool
(with or without fetched block), a singleton section containing only the head block node is created.
*/
headSection = true
if entry := self.get(bestpeer.currentBlockHash); entry == nil {
@ -338,6 +395,7 @@ func (self *BlockPool) AddBlockHashes(next func() ([]byte, bool), peerId string)
block: bestpeer.currentBlock,
hashBy: peerId,
blockBy: peerId,
td: bestpeer.td,
}
// nodes is a list of nodes in one section ordered top-bottom (old to young)
nodes = append(nodes, node)
@ -345,7 +403,7 @@ func (self *BlockPool) AddBlockHashes(next func() ([]byte, bool), peerId string)
} else {
// otherwise set child section iff found node is the root of a section
// this is a possible scenario when a singleton head section was created
// on an earlier occasion this peer or another with the same block was best peer
// on an earlier occasion when this peer or another with the same block was best peer
if entry.node == entry.section.bottom {
child = entry.section
plog.DebugDetailf("AddBlockHashes: peer <%s>: connects to child section root %s", peerId, hex(bestpeer.currentBlockHash))
@ -376,7 +434,7 @@ LOOP:
default:
}
// if we reach the blockchain we stop reading more
// if we reach the blockchain we stop reading further blockhashes
if self.hasBlock(hash) {
// check if known block connecting the downloaded chain to our blockchain
plog.DebugDetailf("AddBlockHashes: peer <%s> (head: %s) found block %s in the blockchain", peerId, hex(bestpeer.currentBlockHash), hex(hash))
@ -413,10 +471,11 @@ LOOP:
// reached a known chain in the pool
if entry.node == entry.section.bottom && n == 1 {
/*
the first block hash received is an orphan in the pool
this also supports clients that (despite the spec) include <from> hash in their
The first block hash received is an orphan node in the pool
This also supports clients that (despite the spec) include <from> hash in their
response to hashes request. Note that by providing <from> we can link sections
without having to wait for the root block of the child section to arrive, so it allows for superior performance
without having to wait for the root block of the child section to arrive, so it allows for superior performance.
*/
plog.DebugDetailf("AddBlockHashes: peer <%s> (head: %s) found head block [%s] as root of connecting child section [%s] skipping", peerId, hex(bestpeer.currentBlockHash), hex(hash), sectionhex(entry.section))
// record the entry's chain section as child section
@ -448,9 +507,8 @@ LOOP:
plog.DebugDetailf("AddBlockHashes: peer <%s> (head: %s): %v nodes in new section", peerId, hex(bestpeer.currentBlockHash), len(nodes))
/*
handle forks where connecting node is mid-section
by splitting section at fork
no splitting needed if connecting node is head of a section
Handle forks where connecting node is mid-section by splitting section at fork.
No splitting needed if connecting node is head of a section.
*/
if parent != nil && entry != nil && entry.node != parent.top && len(nodes) > 0 {
plog.DebugDetailf("AddBlockHashes: peer <%s> (head: %s): fork after %s", peerId, hex(bestpeer.currentBlockHash), hex(hash))
@ -462,10 +520,7 @@ LOOP:
self.status.lock.Unlock()
}
/*
if new section is created, link it to parent/child sections
and launch section process fetching blocks and further hashes
*/
// If new section is created, link it to parent/child sections.
sec = self.linkSections(nodes, parent, child)
if sec != nil {
@ -478,11 +533,12 @@ LOOP:
self.chainLock.Unlock()
/*
if a blockpool node is reached (parent section is not nil),
If a blockpool node is reached (parent section is not nil),
activate section (unless our peer is demoted by now).
this can be the bottom half of a newly split section in case of a fork.
This can be the bottom half of a newly split section in case of a fork.
bestPeer is nil if we got here after our peer got demoted while processing.
in this case no activation should happen
In this case no activation should happen
*/
if parent != nil && !peerswitch {
self.activateChain(parent, bestpeer, nil)
@ -490,9 +546,8 @@ LOOP:
}
/*
if a new section was created,
register section iff head section or no child known
activate it with this peer
If a new section was created, register section iff head section or no child known
Activate it with this peer.
*/
if sec != nil {
// switch on section process (it is paused by switchC)
@ -503,9 +558,9 @@ LOOP:
bestpeer.lock.Unlock()
}
/*
request next block hashes for parent section here.
but only once, repeating only when bottom block arrives,
otherwise no way to check if it arrived
Request another batch of older block hashes for parent section here.
But only once, repeating only when the section's root block arrives.
Otherwise no way to check if it arrived.
*/
bestpeer.requestBlockHashes(sec.bottom.hash)
plog.DebugDetailf("AddBlockHashes: peer <%s> (head: %s): start requesting blocks for section [%s]", peerId, hex(bestpeer.currentBlockHash), sectionhex(sec))
@ -516,7 +571,7 @@ LOOP:
}
}
// if we are processing peer's head section, signal it to headSection process that it is created
// If we are processing peer's head section, signal it to headSection process that it is created.
if headSection {
plog.DebugDetailf("AddBlockHashes: peer <%s> (head: %s) head section registered on head section process", peerId, hex(bestpeer.currentBlockHash))
@ -540,11 +595,13 @@ LOOP:
/*
AddBlock is the entry point for the eth protocol to call when blockMsg is received.
It has a strict interpretation of the protocol in that if the block received has not been requested, it results in an error
It has a strict interpretation of the protocol in that if the block received has not been requested, it results in an error.
At the same time it is opportunistic in that if a requested block may be provided by any peer.
The received block is checked for PoW. Only the first PoW-valid block for a hash is considered legit.
If the block received is the head block of the current best peer, signal it to the head section process
*/
func (self *BlockPool) AddBlock(block *types.Block, peerId string) {
hash := block.Hash()
@ -561,11 +618,10 @@ func (self *BlockPool) AddBlock(block *types.Block, peerId string) {
entry := self.get(hash)
// a peer's current head block is appearing the first time
if bytes.Equal(hash, sender.currentBlockHash) {
if hash == sender.currentBlockHash {
if sender.currentBlock == nil {
plog.Debugf("AddBlock: add head block %s for peer <%s> (head: %s)", hex(hash), peerId, hex(sender.currentBlockHash))
sender.setChainInfoFromBlock(block)
// sender.currentBlockC <- block
self.status.lock.Lock()
self.status.values.BlockHashes++
@ -574,6 +630,7 @@ func (self *BlockPool) AddBlock(block *types.Block, peerId string) {
self.status.lock.Unlock()
} else {
plog.DebugDetailf("AddBlock: head block %s for peer <%s> (head: %s) already known", hex(hash), peerId, hex(sender.currentBlockHash))
// signal to head section process
sender.currentBlockC <- block
}
} else {
@ -592,7 +649,6 @@ func (self *BlockPool) AddBlock(block *types.Block, peerId string) {
sender.lock.Unlock()
if entry == nil {
// penalise peer for sending what we have not asked
plog.DebugDetailf("AddBlock: unrequested block %s received from peer <%s> (head: %s)", hex(hash), peerId, hex(sender.currentBlockHash))
sender.addError(ErrUnrequestedBlock, "%x", hash)
@ -610,7 +666,7 @@ func (self *BlockPool) AddBlock(block *types.Block, peerId string) {
node.lock.Lock()
defer node.lock.Unlock()
// check if block already present
// check if block already received
if node.block != nil {
plog.DebugDetailf("AddBlock: block %s from peer <%s> (head: %s) already sent by <%s> ", hex(hash), peerId, hex(sender.currentBlockHash), node.blockBy)
return
@ -646,9 +702,9 @@ func (self *BlockPool) AddBlock(block *types.Block, peerId string) {
}
/*
iterates down a chain section by section
activating section process on incomplete sections with peer
relinking orphaned sections with their parent if root block (and its parent hash) is known)
activateChain iterates down a chain section by section.
It activates the section process on incomplete sections with peer.
It relinks orphaned sections with their parent if root block (and its parent hash) is known.
*/
func (self *BlockPool) activateChain(sec *section, p *peer, connected map[string]*section) {
@ -664,11 +720,11 @@ LOOP:
plog.DebugDetailf("activateChain: section [%s] activated by peer <%s>", sectionhex(sec), p.id)
sec.activate(p)
if i > 0 && connected != nil {
connected[string(sec.top.hash)] = sec
connected[sec.top.hash.Str()] = sec
}
/*
we need to relink both complete and incomplete sections
the latter could have been blockHashesRequestsComplete before being delinked from its parent
Need to relink both complete and incomplete sections
An incomplete section could have been blockHashesRequestsComplete before being delinked from its parent.
*/
if parent == nil {
if sec.bottom.block != nil {
@ -683,7 +739,7 @@ LOOP:
}
sec = parent
// stop if peer got demoted
// stop if peer got demoted or global quit
select {
case <-switchC:
break LOOP
@ -694,9 +750,21 @@ LOOP:
}
}
// must run in separate go routine, otherwise
// check if block's actual TD (calculated after successful insertChain) is identical to TD advertised for peer's head block.
func (self *BlockPool) checkTD(nodes ...*node) {
for _, n := range nodes {
if n.td != nil {
plog.DebugDetailf("peer td %v =?= block td %v", n.td, n.block.Td)
if n.td.Cmp(n.block.Td) != 0 {
self.peers.peerError(n.blockBy, ErrIncorrectTD, "on block %x", n.hash)
}
}
}
}
// requestBlocks must run in separate go routine, otherwise
// switchpeer -> activateChain -> activate deadlocks on section process select and peers.lock
func (self *BlockPool) requestBlocks(attempts int, hashes [][]byte) {
func (self *BlockPool) requestBlocks(attempts int, hashes []common.Hash) {
self.wg.Add(1)
go func() {
self.peers.requestBlocks(attempts, hashes)
@ -718,16 +786,29 @@ func (self *BlockPool) getChild(sec *section) *section {
}
// accessor and setter for entries in the pool
func (self *BlockPool) get(hash []byte) *entry {
func (self *BlockPool) get(hash common.Hash) *entry {
self.lock.RLock()
defer self.lock.RUnlock()
return self.pool[string(hash)]
return self.pool[hash]
}
func (self *BlockPool) set(hash []byte, e *entry) {
func (self *BlockPool) set(hash common.Hash, e *entry) {
self.lock.Lock()
defer self.lock.Unlock()
self.pool[string(hash)] = e
self.pool[hash] = e
}
// accessor and setter for total difficulty
func (self *BlockPool) getTD() *big.Int {
self.lock.RLock()
defer self.lock.RUnlock()
return self.td
}
func (self *BlockPool) setTD(td *big.Int) {
self.lock.Lock()
defer self.lock.Unlock()
self.td = td
}
func (self *BlockPool) remove(sec *section) {
@ -736,7 +817,7 @@ func (self *BlockPool) remove(sec *section) {
defer self.lock.Unlock()
for _, node := range sec.nodes {
delete(self.pool, string(node.hash))
delete(self.pool, node.hash)
}
if sec.initialised && sec.poolRootIndex != 0 {
self.status.lock.Lock()
@ -745,17 +826,17 @@ func (self *BlockPool) remove(sec *section) {
}
}
func (self *BlockPool) getHashSlice() (s [][]byte) {
// get/put for optimised allocation similar to sync.Pool
func (self *BlockPool) getHashSlice() (s []common.Hash) {
select {
case s = <-self.hashSlicePool:
default:
s = make([][]byte, self.Config.BlockBatchSize)
s = make([]common.Hash, self.Config.BlockBatchSize)
}
return
}
// Return returns a Client to the pool.
func (self *BlockPool) putHashSlice(s [][]byte) {
func (self *BlockPool) putHashSlice(s []common.Hash) {
if len(s) == self.Config.BlockBatchSize {
select {
case self.hashSlicePool <- s:
@ -765,8 +846,8 @@ func (self *BlockPool) putHashSlice(s [][]byte) {
}
// pretty prints hash (byte array) with first 4 bytes in hex
func hex(hash []byte) (name string) {
if hash == nil {
func hex(hash common.Hash) (name string) {
if (hash == common.Hash{}) {
name = ""
} else {
name = fmt.Sprintf("%x", hash[:4])

124
blockpool/blockpool_test.go
View File

@ -5,10 +5,11 @@ import (
"time"
"github.com/ethereum/go-ethereum/blockpool/test"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/common"
)
// using the mock framework in blockpool_util_test
// we test various scenarios here
func TestPeerWithKnownBlock(t *testing.T) {
test.LogInit()
_, blockPool, blockPoolTester := newTestBlockPool(t)
@ -44,48 +45,6 @@ func TestPeerWithKnownParentBlock(t *testing.T) {
blockPoolTester.checkBlockChain(blockPoolTester.refBlockChain)
}
func TestPeerPromotionByOptionalTdOnBlock(t *testing.T) {
test.LogInit()
_, blockPool, blockPoolTester := newTestBlockPool(t)
blockPoolTester.blockChain[0] = nil
blockPoolTester.initRefBlockChain(4)
peer0 := blockPoolTester.newPeer("peer0", 2, 2)
peer1 := blockPoolTester.newPeer("peer1", 1, 1)
peer2 := blockPoolTester.newPeer("peer2", 3, 4)
blockPool.Start()
// pool
peer0.AddPeer()
peer0.serveBlocks(1, 2)
best := peer1.AddPeer()
// this tests that peer1 is not promoted over peer0 yet
if best {
t.Errorf("peer1 (TD=1) should not be set as best")
}
best = peer2.AddPeer()
peer2.serveBlocks(3, 4)
peer2.serveBlockHashes(4, 3, 2, 1)
hashes := blockPoolTester.hashPool.IndexesToHashes([]int{2, 3})
peer1.waitBlocksRequests(3)
blockPool.AddBlock(&types.Block{
HeaderHash: common.Bytes(hashes[1]),
ParentHeaderHash: common.Bytes(hashes[0]),
Td: common.Big3,
}, "peer1")
blockPool.RemovePeer("peer2")
if blockPool.peers.best.id != "peer1" {
t.Errorf("peer1 (TD=3) should be set as best")
}
peer1.serveBlocks(0, 1, 2)
blockPool.Wait(waitTimeout)
blockPool.Stop()
blockPoolTester.refBlockChain[4] = []int{}
blockPoolTester.checkBlockChain(blockPoolTester.refBlockChain)
}
func TestSimpleChain(t *testing.T) {
test.LogInit()
_, blockPool, blockPoolTester := newTestBlockPool(t)
@ -94,7 +53,7 @@ func TestSimpleChain(t *testing.T) {
blockPool.Start()
peer1 := blockPoolTester.newPeer("peer1", 1, 2)
peer1 := blockPoolTester.newPeer("peer1", 2, 2)
peer1.AddPeer()
peer1.serveBlocks(1, 2)
go peer1.serveBlockHashes(2, 1, 0)
@ -114,7 +73,7 @@ func TestChainConnectingWithParentHash(t *testing.T) {
blockPool.Start()
peer1 := blockPoolTester.newPeer("peer1", 1, 3)
peer1 := blockPoolTester.newPeer("peer1", 3, 3)
peer1.AddPeer()
go peer1.serveBlocks(2, 3)
go peer1.serveBlockHashes(3, 2, 1)
@ -134,7 +93,7 @@ func TestMultiSectionChain(t *testing.T) {
blockPool.Start()
peer1 := blockPoolTester.newPeer("peer1", 1, 5)
peer1 := blockPoolTester.newPeer("peer1", 5, 5)
peer1.AddPeer()
go peer1.serveBlocks(4, 5)
@ -156,14 +115,17 @@ func TestNewBlocksOnPartialChain(t *testing.T) {
blockPoolTester.initRefBlockChain(7)
blockPool.Start()
peer1 := blockPoolTester.newPeer("peer1", 1, 5)
peer1 := blockPoolTester.newPeer("peer1", 5, 5)
blockPoolTester.tds = make(map[int]int)
blockPoolTester.tds[5] = 5
peer1.AddPeer()
go peer1.serveBlocks(4, 5) // partially complete section
go peer1.serveBlockHashes(5, 4, 3)
peer1.serveBlocks(3, 4) // partially complete section
// peer1 found new blocks
peer1.td = 2
peer1.td = 7
peer1.currentBlock = 7
peer1.AddPeer()
peer1.sendBlocks(6, 7)
@ -172,7 +134,6 @@ func TestNewBlocksOnPartialChain(t *testing.T) {
go peer1.serveBlocks(5, 6)
go peer1.serveBlockHashes(3, 2, 1) // tests that hash request from known chain root is remembered
peer1.serveBlocks(0, 1, 2)
// blockPool.RemovePeer("peer1")
blockPool.Wait(waitTimeout)
blockPool.Stop()
@ -188,16 +149,15 @@ func TestPeerSwitchUp(t *testing.T) {
blockPool.Start()
peer1 := blockPoolTester.newPeer("peer1", 1, 6)
peer2 := blockPoolTester.newPeer("peer2", 2, 7)
peer1 := blockPoolTester.newPeer("peer1", 6, 6)
peer2 := blockPoolTester.newPeer("peer2", 7, 7)
peer1.AddPeer()
go peer1.serveBlocks(5, 6)
go peer1.serveBlockHashes(6, 5, 4, 3) //
peer1.serveBlocks(2, 3) // section partially complete, block 3 will be preserved after peer demoted
peer2.AddPeer() // peer2 is promoted as best peer, peer1 is demoted
go peer2.serveBlocks(6, 7)
// go peer2.serveBlockHashes(7, 6) //
go peer2.serveBlocks(6, 7) //
go peer2.serveBlocks(4, 5) // tests that block request for earlier section is remembered
go peer1.serveBlocks(3, 4) // tests that connecting section by demoted peer is remembered and blocks are accepted from demoted peer
go peer2.serveBlockHashes(3, 2, 1, 0) // tests that known chain section is activated, hash requests from 3 is remembered
@ -216,8 +176,8 @@ func TestPeerSwitchDownOverlapSectionWithoutRootBlock(t *testing.T) {
blockPoolTester.initRefBlockChain(6)
blockPool.Start()
peer1 := blockPoolTester.newPeer("peer1", 1, 4)
peer2 := blockPoolTester.newPeer("peer2", 2, 6)
peer1 := blockPoolTester.newPeer("peer1", 4, 4)
peer2 := blockPoolTester.newPeer("peer2", 6, 6)
peer2.AddPeer()
peer2.serveBlocks(5, 6) // partially complete, section will be preserved
@ -242,8 +202,8 @@ func TestPeerSwitchDownOverlapSectionWithRootBlock(t *testing.T) {
blockPoolTester.initRefBlockChain(6)
blockPool.Start()
peer1 := blockPoolTester.newPeer("peer1", 1, 4)
peer2 := blockPoolTester.newPeer("peer2", 2, 6)
peer1 := blockPoolTester.newPeer("peer1", 4, 4)
peer2 := blockPoolTester.newPeer("peer2", 6, 6)
peer2.AddPeer()
peer2.serveBlocks(5, 6) // partially complete, section will be preserved
@ -269,8 +229,8 @@ func TestPeerSwitchDownDisjointSection(t *testing.T) {
blockPoolTester.initRefBlockChain(3)
blockPool.Start()
peer1 := blockPoolTester.newPeer("peer1", 1, 3)
peer2 := blockPoolTester.newPeer("peer2", 2, 6)
peer1 := blockPoolTester.newPeer("peer1", 3, 3)
peer2 := blockPoolTester.newPeer("peer2", 6, 6)
peer2.AddPeer()
peer2.serveBlocks(5, 6) // partially complete, section will be preserved
@ -297,8 +257,8 @@ func TestPeerSwitchBack(t *testing.T) {
blockPool.Start()
peer1 := blockPoolTester.newPeer("peer1", 2, 11)
peer2 := blockPoolTester.newPeer("peer2", 1, 8)
peer1 := blockPoolTester.newPeer("peer1", 11, 11)
peer2 := blockPoolTester.newPeer("peer2", 8, 8)
peer2.AddPeer()
go peer2.serveBlocks(7, 8)
@ -328,9 +288,10 @@ func TestForkSimple(t *testing.T) {
delete(blockPoolTester.refBlockChain, 6)
blockPool.Start()
peer1 := blockPoolTester.newPeer("peer1", 1, 9)
peer2 := blockPoolTester.newPeer("peer2", 2, 6)
blockPoolTester.tds = make(map[int]int)
blockPoolTester.tds[6] = 10
peer1 := blockPoolTester.newPeer("peer1", 9, 9)
peer2 := blockPoolTester.newPeer("peer2", 10, 6)
peer1.AddPeer()
go peer1.serveBlocks(8, 9)
@ -363,9 +324,10 @@ func TestForkSwitchBackByNewBlocks(t *testing.T) {
delete(blockPoolTester.refBlockChain, 6)
blockPool.Start()
peer1 := blockPoolTester.newPeer("peer1", 1, 9)
peer2 := blockPoolTester.newPeer("peer2", 2, 6)
blockPoolTester.tds = make(map[int]int)
blockPoolTester.tds[6] = 10
peer1 := blockPoolTester.newPeer("peer1", 9, 9)
peer2 := blockPoolTester.newPeer("peer2", 10, 6)
peer1.AddPeer()
go peer1.serveBlocks(8, 9) //
@ -378,7 +340,7 @@ func TestForkSwitchBackByNewBlocks(t *testing.T) {
peer2.serveBlocks(1, 2, 3, 4, 5) //
// peer1 finds new blocks
peer1.td = 3
peer1.td = 11
peer1.currentBlock = 11
peer1.AddPeer()
go peer1.serveBlocks(10, 11)
@ -410,8 +372,14 @@ func TestForkSwitchBackByPeerSwitchBack(t *testing.T) {
blockPool.Start()
peer1 := blockPoolTester.newPeer("peer1", 1, 9)
peer2 := blockPoolTester.newPeer("peer2", 2, 6)
blockPoolTester.tds = make(map[int]int)
blockPoolTester.tds[6] = 10
blockPoolTester.tds = make(map[int]int)
blockPoolTester.tds[6] = 10
peer1 := blockPoolTester.newPeer("peer1", 9, 9)
peer2 := blockPoolTester.newPeer("peer2", 10, 6)
peer1.AddPeer()
go peer1.serveBlocks(8, 9)
@ -448,14 +416,17 @@ func TestForkCompleteSectionSwitchBackByPeerSwitchBack(t *testing.T) {
blockPool.Start()
peer1 := blockPoolTester.newPeer("peer1", 1, 9)
peer2 := blockPoolTester.newPeer("peer2", 2, 6)
blockPoolTester.tds = make(map[int]int)
blockPoolTester.tds[6] = 10
peer1 := blockPoolTester.newPeer("peer1", 9, 9)
peer2 := blockPoolTester.newPeer("peer2", 10, 6)
peer1.AddPeer()
go peer1.serveBlocks(8, 9)
go peer1.serveBlockHashes(9, 8, 7)
peer1.serveBlocks(3, 7, 8) // make sure this section is complete
time.Sleep(1 * time.Second)
peer1.serveBlocks(3, 7, 8) // make sure this section is complete
time.Sleep(1 * time.Second) //
go peer1.serveBlockHashes(7, 3, 2) // block 3/7 is section boundary
peer1.serveBlocks(2, 3) // partially complete sections block 2 missing
peer2.AddPeer() //
@ -463,8 +434,7 @@ func TestForkCompleteSectionSwitchBackByPeerSwitchBack(t *testing.T) {
go peer2.serveBlockHashes(6, 5, 4, 3, 2) // peer2 forks on block 3
peer2.serveBlocks(2, 3, 4, 5) // block 2 still missing.
blockPool.RemovePeer("peer2") // peer2 disconnects, peer1 is promoted again as best peer
// peer1.serveBlockHashes(7, 3) // tests that hash request from fork root is remembered even though section process completed
go peer1.serveBlockHashes(2, 1, 0) //
go peer1.serveBlockHashes(2, 1, 0) //
peer1.serveBlocks(0, 1, 2)
blockPool.Wait(waitTimeout)

117
blockpool/blockpool_util_test.go
View File

@ -8,9 +8,10 @@ import (
"time"
"github.com/ethereum/go-ethereum/blockpool/test"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/errs"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/pow"
)
@ -38,6 +39,8 @@ type blockPoolTester struct {
blockChain blockChain
blockPool *BlockPool
t *testing.T
chainEvents *event.TypeMux
tds map[int]int
}
func newTestBlockPool(t *testing.T) (hashPool *test.TestHashPool, blockPool *BlockPool, b *blockPoolTester) {
@ -48,8 +51,9 @@ func newTestBlockPool(t *testing.T) (hashPool *test.TestHashPool, blockPool *Blo
blockChain: make(blockChain),
refBlockChain: make(blockChain),
blocksRequestsMap: make(map[int]bool),
chainEvents: &event.TypeMux{},
}
b.blockPool = New(b.hasBlock, b.insertChain, b.verifyPoW)
b.blockPool = New(b.hasBlock, b.insertChain, b.verifyPoW, b.chainEvents, common.Big0)
blockPool = b.blockPool
blockPool.Config.BlockHashesRequestInterval = testBlockHashesRequestInterval
blockPool.Config.BlocksRequestInterval = testBlocksRequestInterval
@ -57,22 +61,24 @@ func newTestBlockPool(t *testing.T) (hashPool *test.TestHashPool, blockPool *Blo
}
func (self *blockPoolTester) Errorf(format string, params ...interface{}) {
fmt.Printf(format+"\n", params...)
// fmt.Printf(format+"\n", params...)
self.t.Errorf(format, params...)
}
// blockPoolTester implements the 3 callbacks needed by the blockPool:
// hasBlock, insetChain, verifyPoW
func (self *blockPoolTester) hasBlock(block []byte) (ok bool) {
// hasBlock, insetChain, verifyPoW as well as provides the eventer
// to subscribe to head insertions
func (self *blockPoolTester) hasBlock(block common.Hash) (ok bool) {
self.lock.RLock()
defer self.lock.RUnlock()
indexes := self.hashPool.HashesToIndexes([][]byte{block})
indexes := self.hashPool.HashesToIndexes([]common.Hash{block})
i := indexes[0]
_, ok = self.blockChain[i]
fmt.Printf("has block %v (%x...): %v\n", i, block[0:4], ok)
// fmt.Printf("has block %v (%x...): %v\n", i, block[0:4], ok)
return
}
// mock insertChain relies on refBlockChain to determine block validity
func (self *blockPoolTester) insertChain(blocks types.Blocks) error {
self.lock.Lock()
defer self.lock.Unlock()
@ -80,13 +86,21 @@ func (self *blockPoolTester) insertChain(blocks types.Blocks) error {
var children, refChildren []int
var ok bool
for _, block := range blocks {
child = self.hashPool.HashesToIndexes([][]byte{block.Hash()})[0]
child = self.hashPool.HashesToIndexes([]common.Hash{block.Hash()})[0]
var td int
if self.tds != nil {
td, ok = self.tds[child]
}
if !ok {
td = child
}
block.Td = big.NewInt(int64(td))
_, ok = self.blockChain[child]
if ok {
fmt.Printf("block %v already in blockchain\n", child)
// fmt.Printf("block %v already in blockchain\n", child)
continue // already in chain
}
parent = self.hashPool.HashesToIndexes([][]byte{block.ParentHeaderHash})[0]
parent = self.hashPool.HashesToIndexes([]common.Hash{block.ParentHeaderHash})[0]
children, ok = self.blockChain[parent]
if !ok {
return fmt.Errorf("parent %v not in blockchain ", parent)
@ -108,7 +122,6 @@ func (self *blockPoolTester) insertChain(blocks types.Blocks) error {
}
if ok {
// accept any blocks if parent not in refBlockChain
fmt.Errorf("blockchain insert %v -> %v\n", parent, child)
self.blockChain[parent] = append(children, child)
self.blockChain[child] = nil
}
@ -116,6 +129,7 @@ func (self *blockPoolTester) insertChain(blocks types.Blocks) error {
return nil
}
// mock soft block validation always succeeds
func (self *blockPoolTester) verifyPoW(pblock pow.Block) bool {
return true
}
@ -124,12 +138,12 @@ func (self *blockPoolTester) verifyPoW(pblock pow.Block) bool {
func (self *blockPoolTester) checkBlockChain(blockChain map[int][]int) {
self.lock.RLock()
defer self.lock.RUnlock()
for k, v := range self.blockChain {
fmt.Printf("got: %v -> %v\n", k, v)
}
for k, v := range blockChain {
fmt.Printf("expected: %v -> %v\n", k, v)
}
// for k, v := range self.blockChain {
// fmt.Printf("got: %v -> %v\n", k, v)
// }
// for k, v := range blockChain {
// fmt.Printf("expected: %v -> %v\n", k, v)
// }
if len(blockChain) != len(self.blockChain) {
self.Errorf("blockchain incorrect (zlength differ)")
}
@ -141,24 +155,24 @@ func (self *blockPoolTester) checkBlockChain(blockChain map[int][]int) {
}
}
//
// peerTester provides the peer callbacks for the blockPool
// it registers actual callbacks so that the result can be compared to desired behaviour
// provides helper functions to mock the protocol calls to the blockPool
type peerTester struct {
// containers to record request and error callbacks
blockHashesRequests []int
blocksRequests [][]int
blocksRequestsMap map[int]bool
peerErrors []int
blockPool *BlockPool
hashPool *test.TestHashPool
lock sync.RWMutex
bt *blockPoolTester
id string
td int
currentBlock int
t *testing.T
blockPool *BlockPool
hashPool *test.TestHashPool
lock sync.RWMutex
bt *blockPoolTester
id string
td int
currentBlock int
t *testing.T
}
// peerTester constructor takes hashPool and blockPool from the blockPoolTester
@ -176,7 +190,7 @@ func (self *blockPoolTester) newPeer(id string, td int, cb int) *peerTester {
}
func (self *peerTester) Errorf(format string, params ...interface{}) {
fmt.Printf(format+"\n", params...)
// fmt.Printf(format+"\n", params...)
self.t.Errorf(format, params...)
}
@ -211,6 +225,7 @@ func (self *peerTester) checkBlockHashesRequests(blocksHashesRequests ...int) {
// waiter function used by peer.serveBlocks
// blocking until requests appear
// this mocks proper wire protocol behaviour
// since block requests are sent to any random peers
// block request map is shared between peers
// times out after waitTimeout
@ -220,7 +235,7 @@ func (self *peerTester) waitBlocksRequests(blocksRequest ...int) {
for {
self.lock.RLock()
r := self.blocksRequestsMap
fmt.Printf("[%s] blocks request check %v (%v)\n", self.id, rr, r)
// fmt.Printf("[%s] blocks request check %v (%v)\n", self.id, rr, r)
i := 0
for i = 0; i < len(rr); i++ {
_, ok := r[rr[i]]
@ -243,6 +258,7 @@ func (self *peerTester) waitBlocksRequests(blocksRequest ...int) {
// waiter function used by peer.serveBlockHashes
// blocking until requests appear
// this mocks proper wire protocol behaviour
// times out after a period
func (self *peerTester) waitBlockHashesRequests(blocksHashesRequest int) {
timeout := time.After(waitTimeout)
@ -251,7 +267,7 @@ func (self *peerTester) waitBlockHashesRequests(blocksHashesRequest int) {
self.lock.RLock()
r := self.blockHashesRequests
self.lock.RUnlock()
fmt.Printf("[%s] block hash request check %v (%v)\n", self.id, rr, r)
// fmt.Printf("[%s] block hash request check %v (%v)\n", self.id, rr, r)
for ; i < len(r); i++ {
if rr == r[i] {
return
@ -274,24 +290,26 @@ func (self *blockPoolTester) initRefBlockChain(n int) {
// peerTester functions that mimic protocol calls to the blockpool
// registers the peer with the blockPool
func (self *peerTester) AddPeer() bool {
func (self *peerTester) AddPeer() (best bool) {
hash := self.hashPool.IndexesToHashes([]int{self.currentBlock})[0]
return self.blockPool.AddPeer(big.NewInt(int64(self.td)), hash, self.id, self.requestBlockHashes, self.requestBlocks, self.peerError)
best, _ = self.blockPool.AddPeer(big.NewInt(int64(self.td)), hash, self.id, self.requestBlockHashes, self.requestBlocks, self.peerError)
return
}
// peer sends blockhashes if and when gets a request
func (self *peerTester) serveBlockHashes(indexes ...int) {
fmt.Printf("ready to serve block hashes %v\n", indexes)
// fmt.Printf("ready to serve block hashes %v\n", indexes)
self.waitBlockHashesRequests(indexes[0])
self.sendBlockHashes(indexes...)
}
// peer sends blockhashes not waiting for request
func (self *peerTester) sendBlockHashes(indexes ...int) {
fmt.Printf("adding block hashes %v\n", indexes)
// fmt.Printf("adding block hashes %v\n", indexes)
hashes := self.hashPool.IndexesToHashes(indexes)
i := 1
next := func() (hash []byte, ok bool) {
next := func() (hash common.Hash, ok bool) {
if i < len(hashes) {
hash = hashes[i]
ok = true
@ -303,28 +321,30 @@ func (self *peerTester) sendBlockHashes(indexes ...int) {
}
// peer sends blocks if and when there is a request
// (in the shared request store, not necessarily to a person)
// (in the shared request store, not necessarily to a specific peer)
func (self *peerTester) serveBlocks(indexes ...int) {
fmt.Printf("ready to serve blocks %v\n", indexes[1:])
// fmt.Printf("ready to serve blocks %v\n", indexes[1:])
self.waitBlocksRequests(indexes[1:]...)
self.sendBlocks(indexes...)
}
// peer sends blocks not waiting for request
func (self *peerTester) sendBlocks(indexes ...int) {
fmt.Printf("adding blocks %v \n", indexes)
// fmt.Printf("adding blocks %v \n", indexes)
hashes := self.hashPool.IndexesToHashes(indexes)
for i := 1; i < len(hashes); i++ {
fmt.Printf("adding block %v %x\n", indexes[i], hashes[i][:4])
self.blockPool.AddBlock(&types.Block{HeaderHash: common.Bytes(hashes[i]), ParentHeaderHash: common.Bytes(hashes[i-1])}, self.id)
// fmt.Printf("adding block %v %x\n", indexes[i], hashes[i][:4])
self.blockPool.AddBlock(&types.Block{HeaderHash: hashes[i], ParentHeaderHash: hashes[i-1]}, self.id)
}
}
// peer callbacks
// -1 is special: not found (a hash never seen)
// the 3 mock peer callbacks
// records block hashes requests by the blockPool
func (self *peerTester) requestBlockHashes(hash []byte) error {
indexes := self.hashPool.HashesToIndexes([][]byte{hash})
fmt.Printf("[%s] block hash request %v %x\n", self.id, indexes[0], hash[:4])
// -1 is special: not found (a hash never seen)
func (self *peerTester) requestBlockHashes(hash common.Hash) error {
indexes := self.hashPool.HashesToIndexes([]common.Hash{hash})
// fmt.Printf("[%s] block hash request %v %x\n", self.id, indexes[0], hash[:4])
self.lock.Lock()
defer self.lock.Unlock()
self.blockHashesRequests = append(self.blockHashesRequests, indexes[0])
@ -332,9 +352,9 @@ func (self *peerTester) requestBlockHashes(hash []byte) error {
}
// records block requests by the blockPool
func (self *peerTester) requestBlocks(hashes [][]byte) error {
func (self *peerTester) requestBlocks(hashes []common.Hash) error {
indexes := self.hashPool.HashesToIndexes(hashes)
fmt.Printf("blocks request %v %x...\n", indexes, hashes[0][:4])
// fmt.Printf("blocks request %v %x...\n", indexes, hashes[0][:4])
self.bt.reqlock.Lock()
defer self.bt.reqlock.Unlock()
self.blocksRequests = append(self.blocksRequests, indexes)
@ -347,4 +367,7 @@ func (self *peerTester) requestBlocks(hashes [][]byte) error {
// records the error codes of all the peerErrors found the blockPool
func (self *peerTester) peerError(err *errs.Error) {
self.peerErrors = append(self.peerErrors, err.Code)
if err.Fatal() {
self.blockPool.RemovePeer(self.id)
}
}

11
blockpool/config_test.go
View File

@ -5,11 +5,12 @@ import (
"time"
"github.com/ethereum/go-ethereum/blockpool/test"
"github.com/ethereum/go-ethereum/event"
)
func TestBlockPoolConfig(t *testing.T) {
test.LogInit()
blockPool := &BlockPool{Config: &Config{}}
blockPool := &BlockPool{Config: &Config{}, chainEvents: &event.TypeMux{}}
blockPool.Start()
c := blockPool.Config
test.CheckInt("BlockHashesBatchSize", c.BlockHashesBatchSize, blockHashesBatchSize, t)
@ -21,12 +22,14 @@ func TestBlockPoolConfig(t *testing.T) {
test.CheckDuration("BlockHashesTimeout", c.BlockHashesTimeout, blockHashesTimeout, t)
test.CheckDuration("BlocksTimeout", c.BlocksTimeout, blocksTimeout, t)
test.CheckDuration("IdleBestPeerTimeout", c.IdleBestPeerTimeout, idleBestPeerTimeout, t)
test.CheckDuration("PeerSuspensionInterval", c.PeerSuspensionInterval, peerSuspensionInterval, t)
test.CheckDuration("StatusUpdateInterval", c.StatusUpdateInterval, statusUpdateInterval, t)
}
func TestBlockPoolOverrideConfig(t *testing.T) {
test.LogInit()
blockPool := &BlockPool{Config: &Config{}}
c := &Config{128, 32, 1, 0, 300 * time.Millisecond, 100 * time.Millisecond, 90 * time.Second, 0, 30 * time.Second}
blockPool := &BlockPool{Config: &Config{}, chainEvents: &event.TypeMux{}}
c := &Config{128, 32, 1, 0, 300 * time.Millisecond, 100 * time.Millisecond, 90 * time.Second, 0, 30 * time.Second, 30 * time.Second, 4 * time.Second}
blockPool.Config = c
blockPool.Start()
@ -39,4 +42,6 @@ func TestBlockPoolOverrideConfig(t *testing.T) {
test.CheckDuration("BlockHashesTimeout", c.BlockHashesTimeout, 90*time.Second, t)
test.CheckDuration("BlocksTimeout", c.BlocksTimeout, blocksTimeout, t)
test.CheckDuration("IdleBestPeerTimeout", c.IdleBestPeerTimeout, 30*time.Second, t)
test.CheckDuration("PeerSuspensionInterval", c.PeerSuspensionInterval, 30*time.Second, t)
test.CheckDuration("StatusUpdateInterval", c.StatusUpdateInterval, 4*time.Second, t)
}

61
blockpool/errors_test.go
View File

@ -5,6 +5,7 @@ import (
"time"
"github.com/ethereum/go-ethereum/blockpool/test"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/pow"
)
@ -45,7 +46,7 @@ func TestVerifyPoW(t *testing.T) {
first := false
blockPoolTester.blockPool.verifyPoW = func(b pow.Block) bool {
bb, _ := b.(*types.Block)
indexes := blockPoolTester.hashPool.HashesToIndexes([][]byte{bb.Hash()})
indexes := blockPoolTester.hashPool.HashesToIndexes([]common.Hash{bb.Hash()})
if indexes[0] == 2 && !first {
first = true
return false
@ -92,7 +93,6 @@ func TestUnrequestedBlock(t *testing.T) {
peer1.AddPeer()
peer1.sendBlocks(1, 2)
// blockPool.Wait(waitTimeout)
blockPool.Stop()
if len(peer1.peerErrors) == 1 {
if peer1.peerErrors[0] != ErrUnrequestedBlock {
@ -122,3 +122,60 @@ func TestErrInsufficientChainInfo(t *testing.T) {
t.Errorf("expected %v error, got %v", ErrInsufficientChainInfo, peer1.peerErrors)
}
}
func TestIncorrectTD(t *testing.T) {
test.LogInit()
_, blockPool, blockPoolTester := newTestBlockPool(t)
blockPoolTester.blockChain[0] = nil
blockPoolTester.initRefBlockChain(3)
blockPool.Start()
peer1 := blockPoolTester.newPeer("peer1", 1, 3)
peer1.AddPeer()
go peer1.serveBlocks(2, 3)
go peer1.serveBlockHashes(3, 2, 1, 0)
peer1.serveBlocks(0, 1, 2)
blockPool.Wait(waitTimeout)
blockPool.Stop()
blockPoolTester.refBlockChain[3] = []int{}
blockPoolTester.checkBlockChain(blockPoolTester.refBlockChain)
if len(peer1.peerErrors) == 1 {
if peer1.peerErrors[0] != ErrIncorrectTD {
t.Errorf("wrong error, got %v, expected %v", peer1.peerErrors[0], ErrIncorrectTD)
}
} else {
t.Errorf("expected %v error, got %v", ErrIncorrectTD, peer1.peerErrors)
}
}
func TestPeerSuspension(t *testing.T) {
test.LogInit()
_, blockPool, blockPoolTester := newTestBlockPool(t)
blockPool.Config.PeerSuspensionInterval = 100 * time.Millisecond
blockPool.Start()
peer1 := blockPoolTester.newPeer("peer1", 1, 3)
peer1.AddPeer()
blockPool.peers.peerError("peer1", 0, "")
bestpeer, _ := blockPool.peers.getPeer("peer1")
if bestpeer != nil {
t.Errorf("peer1 not removed on error")
}
peer1.AddPeer()
bestpeer, _ = blockPool.peers.getPeer("peer1")
if bestpeer != nil {
t.Errorf("peer1 not removed on reconnect")
}
time.Sleep(100 * time.Millisecond)
peer1.AddPeer()
bestpeer, _ = blockPool.peers.getPeer("peer1")
if bestpeer == nil {
t.Errorf("peer1 not connected after PeerSuspensionInterval")
}
// blockPool.Wait(waitTimeout)
blockPool.Stop()
}

139
blockpool/peers.go
View File

@ -1,37 +1,37 @@
package blockpool
import (
"bytes"
"math/big"
"math/rand"
"sort"
"sync"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/errs"
"github.com/ethereum/go-ethereum/common"
)
// the blockpool's model of a peer
type peer struct {
lock sync.RWMutex
// last known blockchain status
td *big.Int
currentBlockHash []byte
currentBlockHash common.Hash
currentBlock *types.Block
parentHash []byte
parentHash common.Hash
headSection *section
id string
// peer callbacks
requestBlockHashes func([]byte) error
requestBlocks func([][]byte) error
requestBlockHashes func(common.Hash) error
requestBlocks func([]common.Hash) error
peerError func(*errs.Error)
errors *errs.Errors
sections [][]byte
sections []common.Hash
// channels to push new head block and head section for peer a
currentBlockC chan *types.Block
@ -48,6 +48,8 @@ type peer struct {
blocksRequestTimer <-chan time.Time
suicideC <-chan time.Time
addToBlacklist func(id string)
idle bool
}
@ -56,20 +58,21 @@ type peer struct {
type peers struct {
lock sync.RWMutex
bp *BlockPool
errors *errs.Errors
peers map[string]*peer
best *peer
status *status
bp *BlockPool
errors *errs.Errors
peers map[string]*peer
best *peer
status *status
blacklist map[string]time.Time
}
// peer constructor
func (self *peers) newPeer(
td *big.Int,
currentBlockHash []byte,
currentBlockHash common.Hash,
id string,
requestBlockHashes func([]byte) error,
requestBlocks func([][]byte) error,
requestBlockHashes func(common.Hash) error,
requestBlocks func([]common.Hash) error,
peerError func(*errs.Error),
) (p *peer) {
@ -85,29 +88,51 @@ func (self *peers) newPeer(
headSectionC: make(chan *section),
bp: self.bp,
idle: true,
addToBlacklist: self.addToBlacklist,
}
// at creation the peer is recorded in the peer pool
self.peers[id] = p
return
}
// dispatches an error to a peer if still connected
// dispatches an error to a peer if still connected, adds it to the blacklist
func (self *peers) peerError(id string, code int, format string, params ...interface{}) {
self.lock.RLock()
defer self.lock.RUnlock()
peer, ok := self.peers[id]
self.lock.RUnlock()
if ok {
peer.addError(code, format, params)
}
// blacklisting comes here
self.addToBlacklist(id)
}
// record time of offence in blacklist to implement suspension for PeerSuspensionInterval
func (self *peers) addToBlacklist(id string) {
self.lock.Lock()
defer self.lock.Unlock()
self.blacklist[id] = time.Now()
}
// suspended checks if peer is still suspended
func (self *peers) suspended(id string) (s bool) {
self.lock.Lock()
defer self.lock.Unlock()
if suspendedAt, ok := self.blacklist[id]; ok {
if s = suspendedAt.Add(self.bp.Config.PeerSuspensionInterval).After(time.Now()); !s {
// no longer suspended, delete entry
delete(self.blacklist, id)
}
}
return
}
func (self *peer) addError(code int, format string, params ...interface{}) {
err := self.errors.New(code, format, params...)
self.peerError(err)
self.addToBlacklist(self.id)
}
func (self *peer) setChainInfo(td *big.Int, c []byte) {
func (self *peer) setChainInfo(td *big.Int, c common.Hash) {
self.lock.Lock()
defer self.lock.Unlock()
@ -115,7 +140,7 @@ func (self *peer) setChainInfo(td *big.Int, c []byte) {
self.currentBlockHash = c
self.currentBlock = nil
self.parentHash = nil
self.parentHash = common.Hash{}
self.headSection = nil
}
@ -139,8 +164,8 @@ func (self *peer) setChainInfoFromBlock(block *types.Block) {
}()
}
func (self *peers) requestBlocks(attempts int, hashes [][]byte) {
// distribute block request among known peers
// distribute block request among known peers
func (self *peers) requestBlocks(attempts int, hashes []common.Hash) {
self.lock.RLock()
defer self.lock.RUnlock()
peerCount := len(self.peers)
@ -175,24 +200,33 @@ func (self *peers) requestBlocks(attempts int, hashes [][]byte) {
}
// addPeer implements the logic for blockpool.AddPeer
// returns true iff peer is promoted as best peer in the pool
// returns 2 bool values
// 1. true iff peer is promoted as best peer in the pool
// 2. true iff peer is still suspended
func (self *peers) addPeer(
td *big.Int,
currentBlockHash []byte,
currentBlockHash common.Hash,
id string,
requestBlockHashes func([]byte) error,
requestBlocks func([][]byte) error,
requestBlockHashes func(common.Hash) error,
requestBlocks func([]common.Hash) error,
peerError func(*errs.Error),
) (best bool) {
) (best bool, suspended bool) {
var previousBlockHash []byte
var previousBlockHash common.Hash
if self.suspended(id) {
suspended = true
return
}
self.lock.Lock()
p, found := self.peers[id]
if found {
if !bytes.Equal(p.currentBlockHash, currentBlockHash) {
// when called on an already connected peer, it means a newBlockMsg is received
// peer head info is updated
if p.currentBlockHash != currentBlockHash {
previousBlockHash = p.currentBlockHash
plog.Debugf("addPeer: Update peer <%s> with td %v and current block %s (was %v)", id, td, hex(currentBlockHash), hex(previousBlockHash))
p.setChainInfo(td, currentBlockHash)
self.status.lock.Lock()
self.status.values.NewBlocks++
self.status.lock.Unlock()
@ -210,18 +244,18 @@ func (self *peers) addPeer(
}
self.lock.Unlock()
// check peer current head
// check if peer's current head block is known
if self.bp.hasBlock(currentBlockHash) {
// peer not ahead
plog.Debugf("addPeer: peer <%v> with td %v and current block %s is behind", id, td, hex(currentBlockHash))
return false
return false, false
}
if self.best == p {
// new block update for active current best peer -> request hashes
plog.Debugf("addPeer: <%s> already the best peer. Request new head section info from %s", id, hex(currentBlockHash))
if previousBlockHash != nil {
if (previousBlockHash != common.Hash{}) {
if entry := self.bp.get(previousBlockHash); entry != nil {
p.headSectionC <- nil
self.bp.activateChain(entry.section, p, nil)
@ -230,7 +264,8 @@ func (self *peers) addPeer(
}
best = true
} else {
currentTD := common.Big0
// baseline is our own TD
currentTD := self.bp.getTD()
if self.best != nil {
currentTD = self.best.td
}
@ -238,7 +273,7 @@ func (self *peers) addPeer(
self.status.lock.Lock()
self.status.bestPeers[p.id]++
self.status.lock.Unlock()
plog.Debugf("addPeer: peer <%v> promoted best peer", id)
plog.Debugf("addPeer: peer <%v> (td: %v > current td %v) promoted best peer", id, td, currentTD)
self.bp.switchPeer(self.best, p)
self.best = p
best = true
@ -258,13 +293,13 @@ func (self *peers) removePeer(id string) {
}
delete(self.peers, id)
plog.Debugf("addPeer: remove peer <%v>", id)
plog.Debugf("addPeer: remove peer <%v> (td: %v)", id, p.td)
// if current best peer is removed, need to find a better one
if self.best == p {
var newp *peer
// FIXME: own TD
max := common.Big0
// only peers that are ahead of us are considered
max := self.bp.getTD()
// peer with the highest self-acclaimed TD is chosen
for _, pp := range self.peers {
if pp.td.Cmp(max) > 0 {
@ -276,7 +311,7 @@ func (self *peers) removePeer(id string) {
self.status.lock.Lock()
self.status.bestPeers[p.id]++
self.status.lock.Unlock()
plog.Debugf("addPeer: peer <%v> with td %v promoted best peer", newp.id, newp.td)
plog.Debugf("addPeer: peer <%v> (td: %v) promoted best peer", newp.id, newp.td)
} else {
plog.Warnln("addPeer: no suitable peers found")
}
@ -289,6 +324,7 @@ func (self *peers) removePeer(id string) {
func (self *BlockPool) switchPeer(oldp, newp *peer) {
// first quit AddBlockHashes, requestHeadSection and activateChain
// by closing the old peer's switchC channel
if oldp != nil {
plog.DebugDetailf("<%s> quit peer processes", oldp.id)
close(oldp.switchC)
@ -318,15 +354,15 @@ func (self *BlockPool) switchPeer(oldp, newp *peer) {
}
var connected = make(map[string]*section)
var sections [][]byte
var sections []common.Hash
for _, hash := range newp.sections {
plog.DebugDetailf("activate chain starting from section [%s]", hex(hash))
// if section not connected (ie, top of a contiguous sequence of sections)
if connected[string(hash)] == nil {
if connected[hash.Str()] == nil {
// if not deleted, then reread from pool (it can be orphaned top half of a split section)
if entry := self.get(hash); entry != nil {
self.activateChain(entry.section, newp, connected)
connected[string(hash)] = entry.section
connected[hash.Str()] = entry.section
sections = append(sections, hash)
}
}
@ -341,11 +377,12 @@ func (self *BlockPool) switchPeer(oldp, newp *peer) {
// newp activating section process changes the quit channel for this reason
if oldp != nil {
plog.DebugDetailf("<%s> quit section processes", oldp.id)
//
close(oldp.idleC)
}
}
// getPeer looks up peer by id, returns peer and a bool value
// that is true iff peer is current best peer
func (self *peers) getPeer(id string) (p *peer, best bool) {
self.lock.RLock()
defer self.lock.RUnlock()
@ -356,6 +393,8 @@ func (self *peers) getPeer(id string) (p *peer, best bool) {
return
}
// head section process
func (self *peer) handleSection(sec *section) {
self.lock.Lock()
defer self.lock.Unlock()
@ -396,7 +435,7 @@ func (self *peer) getCurrentBlock(currentBlock *types.Block) {
plog.DebugDetailf("HeadSection: <%s> head block %s found in blockpool", self.id, hex(self.currentBlockHash))
} else {
plog.DebugDetailf("HeadSection: <%s> head block %s not found... requesting it", self.id, hex(self.currentBlockHash))
self.requestBlocks([][]byte{self.currentBlockHash})
self.requestBlocks([]common.Hash{self.currentBlockHash})
self.blocksRequestTimer = time.After(self.bp.Config.BlocksRequestInterval)
return
}
@ -427,9 +466,14 @@ func (self *peer) getBlockHashes() {
self.addError(ErrInvalidBlock, "%v", err)
self.bp.status.badPeers[self.id]++
} else {
headKey := string(self.parentHash)
if self.currentBlock.Td != nil {
if self.td.Cmp(self.currentBlock.Td) != 0 {
self.addError(ErrIncorrectTD, "on block %x", self.currentBlockHash)
}
}
headKey := self.parentHash.Str()
height := self.bp.status.chain[headKey] + 1
self.bp.status.chain[string(self.currentBlockHash)] = height
self.bp.status.chain[self.currentBlockHash.Str()] = height
if height > self.bp.status.values.LongestChain {
self.bp.status.values.LongestChain = height
}
@ -446,6 +490,7 @@ func (self *peer) getBlockHashes() {
block: self.currentBlock,
hashBy: self.id,
blockBy: self.id,
td: self.td,
}
self.bp.newSection([]*node{n}).activate(self)
} else {
@ -486,7 +531,7 @@ func (self *peer) run() {
LOOP:
for {
select {
// to minitor section process behaviou
// to minitor section process behaviour
case <-ping.C:
plog.Debugf("HeadSection: <%s> section with head %s, idle: %v", self.id, hex(self.currentBlockHash), self.idle)
@ -539,7 +584,7 @@ LOOP:
// quit
case <-quit:
self.peerError(self.bp.peers.errors.New(ErrIdleTooLong, "timed out without providing new blocks (td: %v, head: %s)...quitting", self.td, self.currentBlockHash))
self.peerError(self.bp.peers.errors.New(ErrIdleTooLong, "timed out without providing new blocks (td: %v, head: %s)...quitting", self.td, hex(self.currentBlockHash)))
self.bp.status.lock.Lock()
self.bp.status.badPeers[self.id]++

88
blockpool/peers_test.go
View File

@ -3,17 +3,21 @@ package blockpool
import (
"math/big"
"testing"
"time"
"github.com/ethereum/go-ethereum/blockpool/test"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
)
// the actual tests
func TestAddPeer(t *testing.T) {
test.LogInit()
_, blockPool, blockPoolTester := newTestBlockPool(t)
peer0 := blockPoolTester.newPeer("peer0", 1, 0)
peer1 := blockPoolTester.newPeer("peer1", 2, 1)
peer2 := blockPoolTester.newPeer("peer2", 3, 2)
peer0 := blockPoolTester.newPeer("peer0", 1, 1)
peer1 := blockPoolTester.newPeer("peer1", 2, 2)
peer2 := blockPoolTester.newPeer("peer2", 3, 3)
var bestpeer *peer
blockPool.Start()
@ -34,7 +38,7 @@ func TestAddPeer(t *testing.T) {
if blockPool.peers.best.id != "peer2" {
t.Errorf("peer2 (TD=3) not set as best")
}
peer2.waitBlocksRequests(2)
peer2.waitBlocksRequests(3)
best = peer1.AddPeer()
if best {
@ -48,7 +52,7 @@ func TestAddPeer(t *testing.T) {
}
peer2.td = 4
peer2.currentBlock = 3
peer2.currentBlock = 4
best = peer2.AddPeer()
if !best {
t.Errorf("peer2 (TD=4) not accepted as best")
@ -59,10 +63,10 @@ func TestAddPeer(t *testing.T) {
if blockPool.peers.best.td.Cmp(big.NewInt(int64(4))) != 0 {
t.Errorf("peer2 TD not updated")
}
peer2.waitBlocksRequests(3)
peer2.waitBlocksRequests(4)
peer1.td = 3
peer1.currentBlock = 2
peer1.currentBlock = 3
best = peer1.AddPeer()
if best {
t.Errorf("peer1 (TD=3) should not be set as best")
@ -84,7 +88,7 @@ func TestAddPeer(t *testing.T) {
if blockPool.peers.best.id != "peer1" {
t.Errorf("existing peer1 (TD=3) should be set as best peer")
}
peer1.waitBlocksRequests(2)
peer1.waitBlocksRequests(3)
blockPool.RemovePeer("peer1")
bestpeer, best = blockPool.peers.getPeer("peer1")
@ -95,7 +99,7 @@ func TestAddPeer(t *testing.T) {
if blockPool.peers.best.id != "peer0" {
t.Errorf("existing peer0 (TD=1) should be set as best peer")
}
peer0.waitBlocksRequests(0)
peer0.waitBlocksRequests(1)
blockPool.RemovePeer("peer0")
bestpeer, best = blockPool.peers.getPeer("peer0")
@ -115,6 +119,70 @@ func TestAddPeer(t *testing.T) {
}
peer0.waitBlocksRequests(3)
blockPool.Stop()
newblock := &types.Block{Td: common.Big3}
blockPool.chainEvents.Post(core.ChainHeadEvent{newblock})
time.Sleep(100 * time.Millisecond)
if blockPool.peers.best != nil {
t.Errorf("no peer should be ahead of self")
}
best = peer1.AddPeer()
if blockPool.peers.best != nil {
t.Errorf("still no peer should be ahead of self")
}
best = peer2.AddPeer()
if !best {
t.Errorf("peer2 (TD=4) not accepted as best")
}
blockPool.RemovePeer("peer2")
if blockPool.peers.best != nil {
t.Errorf("no peer should be ahead of self")
}
blockPool.Stop()
}
func TestPeerPromotionByOptionalTdOnBlock(t *testing.T) {
test.LogInit()
_, blockPool, blockPoolTester := newTestBlockPool(t)
blockPoolTester.blockChain[0] = nil
blockPoolTester.initRefBlockChain(4)
peer0 := blockPoolTester.newPeer("peer0", 2, 2)
peer1 := blockPoolTester.newPeer("peer1", 1, 1)
peer2 := blockPoolTester.newPeer("peer2", 4, 4)
blockPool.Start()
blockPoolTester.tds = make(map[int]int)
blockPoolTester.tds[3] = 3
// pool
peer0.AddPeer()
peer0.serveBlocks(1, 2)
best := peer1.AddPeer()
// this tests that peer1 is not promoted over peer0 yet
if best {
t.Errorf("peer1 (TD=1) should not be set as best")
}
best = peer2.AddPeer()
peer2.serveBlocks(3, 4)
peer2.serveBlockHashes(4, 3, 2, 1)
hashes := blockPoolTester.hashPool.IndexesToHashes([]int{2, 3})
peer1.waitBlocksRequests(3)
blockPool.AddBlock(&types.Block{
HeaderHash: common.Hash(hashes[1]),
ParentHeaderHash: common.Hash(hashes[0]),
Td: common.Big3,
}, "peer1")
blockPool.RemovePeer("peer2")
if blockPool.peers.best.id != "peer1" {
t.Errorf("peer1 (TD=3) should be set as best")
}
peer1.serveBlocks(0, 1, 2)
blockPool.Wait(waitTimeout)
blockPool.Stop()
blockPoolTester.refBlockChain[4] = []int{}
blockPoolTester.checkBlockChain(blockPoolTester.refBlockChain)
}

50
blockpool/section.go
View File

@ -4,6 +4,7 @@ import (
"sync"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
)
@ -27,9 +28,9 @@ type section struct {
nodes []*node
peer *peer
parentHash []byte
parentHash common.Hash
blockHashes [][]byte
blockHashes []common.Hash
poolRootIndex int
@ -82,9 +83,9 @@ func (self *BlockPool) newSection(nodes []*node) *section {
offC: make(chan bool),
}
for i, node := range nodes {
entry := &entry{node: node, section: sec, index: &index{i}}
self.set(node.hash, entry)
for i, n := range nodes {
entry := &entry{node: n, section: sec, index: &index{i}}
self.set(n.hash, entry)
}
plog.DebugDetailf("[%s] setup section process", sectionhex(sec))
@ -103,20 +104,22 @@ func (self *section) addSectionToBlockChain(p *peer) {
self.bp.wg.Done()
}()
var node *node
var keys []string
var nodes []*node
var n *node
var keys []common.Hash
var blocks []*types.Block
for self.poolRootIndex > 0 {
node = self.nodes[self.poolRootIndex-1]
node.lock.RLock()
block := node.block
node.lock.RUnlock()
n = self.nodes[self.poolRootIndex-1]
n.lock.RLock()
block := n.block
n.lock.RUnlock()
if block == nil {
break
}
self.poolRootIndex--
keys = append(keys, string(node.hash))
keys = append(keys, n.hash)
blocks = append(blocks, block)
nodes = append(nodes, n)
}
if len(blocks) == 0 {
@ -133,13 +136,20 @@ func (self *section) addSectionToBlockChain(p *peer) {
err := self.bp.insertChain(blocks)
if err != nil {
self.invalid = true
self.bp.peers.peerError(node.blockBy, ErrInvalidBlock, "%v", err)
plog.Warnf("invalid block %x", node.hash)
plog.Warnf("penalise peers %v (hash), %v (block)", node.hashBy, node.blockBy)
self.bp.peers.peerError(n.blockBy, ErrInvalidBlock, "%v", err)
plog.Warnf("invalid block %x", n.hash)
plog.Warnf("penalise peers %v (hash), %v (block)", n.hashBy, n.blockBy)
// or invalid block and the entire chain needs to be removed
self.removeChain()
} else {
// check tds
self.bp.wg.Add(1)
go func() {
plog.DebugDetailf("checking td")
self.bp.checkTD(nodes...)
self.bp.wg.Done()
}()
// if all blocks inserted in this section
// then need to try to insert blocks in child section
if self.poolRootIndex == 0 {
@ -166,9 +176,9 @@ func (self *section) addSectionToBlockChain(p *peer) {
self.bp.status.lock.Lock()
if err == nil {
headKey := string(blocks[0].ParentHash())
headKey := blocks[0].ParentHash().Str()
height := self.bp.status.chain[headKey] + len(blocks)
self.bp.status.chain[string(blocks[len(blocks)-1].Hash())] = height
self.bp.status.chain[blocks[len(blocks)-1].Hash().Str()] = height
if height > self.bp.status.values.LongestChain {
self.bp.status.values.LongestChain = height
}
@ -177,7 +187,7 @@ func (self *section) addSectionToBlockChain(p *peer) {
self.bp.status.values.BlocksInChain += len(blocks)
self.bp.status.values.BlocksInPool -= len(blocks)
if err != nil {
self.bp.status.badPeers[node.blockBy]++
self.bp.status.badPeers[n.blockBy]++
}
self.bp.status.lock.Unlock()
@ -316,7 +326,7 @@ LOOP:
self.addSectionToBlockChain(self.peer)
}
} else {
if self.parentHash == nil && n == self.bottom {
if (self.parentHash == common.Hash{}) && n == self.bottom {
self.parentHash = block.ParentHash()
plog.DebugDetailf("[%s] got parent head block hash %s...checking", sectionhex(self), hex(self.parentHash))
self.blockHashesRequest()
@ -456,7 +466,7 @@ func (self *section) blockHashesRequest() {
// a demoted peer's fork will be chosen over the best peer's chain
// because relinking the correct chain (activateChain) is overwritten here in
// demoted peer's section process just before the section is put to idle mode
if self.parentHash != nil {
if (self.parentHash != common.Hash{}) {
if parent := self.bp.get(self.parentHash); parent != nil {
parentSection = parent.section
plog.DebugDetailf("[%s] blockHashesRequest: parent section [%s] linked\n", sectionhex(self), sectionhex(parentSection))

308
blockpool/status_test.go
View File

@ -1,9 +1,9 @@
package blockpool
import (
"fmt"
// "fmt"
"testing"
// "time"
"time"
"github.com/ethereum/go-ethereum/blockpool/test"
)
@ -49,180 +49,192 @@ func checkStatus(t *testing.T, bp *BlockPool, syncing bool, expected []int) (err
}
got := getStatusValues(s)
for i, v := range expected {
if i == 0 || i == 7 {
continue //hack
}
err = test.CheckInt(statusFields[i], got[i], v, t)
// fmt.Printf("%v: %v (%v)\n", statusFields[i], got[i], v)
if err != nil {
return err
}
fmt.Printf("%v: %v (%v)\n", statusFields[i], got[i], v)
}
return
}
// func TestBlockPoolStatus(t *testing.T) {
// test.LogInit()
// _, blockPool, blockPoolTester := newTestBlockPool(t)
// blockPoolTester.blockChain[0] = nil
// blockPoolTester.initRefBlockChain(12)
// blockPoolTester.refBlockChain[3] = []int{4, 7}
// delete(blockPoolTester.refBlockChain, 6)
func TestBlockPoolStatus(t *testing.T) {
test.LogInit()
_, blockPool, blockPoolTester := newTestBlockPool(t)
blockPoolTester.blockChain[0] = nil
blockPoolTester.initRefBlockChain(12)
blockPoolTester.refBlockChain[3] = []int{4, 7}
delete(blockPoolTester.refBlockChain, 6)
// blockPool.Start()
blockPool.Start()
blockPoolTester.tds = make(map[int]int)
blockPoolTester.tds[9] = 1
blockPoolTester.tds[11] = 3
blockPoolTester.tds[6] = 2
// peer1 := blockPoolTester.newPeer("peer1", 1, 9)
// peer2 := blockPoolTester.newPeer("peer2", 2, 6)
// peer3 := blockPoolTester.newPeer("peer3", 3, 11)
// peer4 := blockPoolTester.newPeer("peer4", 1, 9)
// peer2.blocksRequestsMap = peer1.blocksRequestsMap
peer1 := blockPoolTester.newPeer("peer1", 1, 9)
peer2 := blockPoolTester.newPeer("peer2", 2, 6)
peer3 := blockPoolTester.newPeer("peer3", 3, 11)
peer4 := blockPoolTester.newPeer("peer4", 1, 9)
// peer1 := blockPoolTester.newPeer("peer1", 1, 9)
// peer2 := blockPoolTester.newPeer("peer2", 2, 6)
// peer3 := blockPoolTester.newPeer("peer3", 3, 11)
// peer4 := blockPoolTester.newPeer("peer4", 1, 9)
peer2.blocksRequestsMap = peer1.blocksRequestsMap
// var expected []int
// var err error
// expected = []int{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
// err = checkStatus(t, blockPool, false, expected)
// if err != nil {
// return
// }
var expected []int
var err error
expected = []int{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
err = checkStatus(t, blockPool, false, expected)
if err != nil {
return
}
// peer1.AddPeer()
// expected = []int{0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0}
// err = checkStatus(t, blockPool, true, expected)
// if err != nil {
// return
// }
peer1.AddPeer()
expected = []int{0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0}
err = checkStatus(t, blockPool, true, expected)
if err != nil {
return
}
// peer1.serveBlocks(8, 9)
// expected = []int{0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 0}
// err = checkStatus(t, blockPool, true, expected)
// if err != nil {
// return
// }
peer1.serveBlocks(8, 9)
expected = []int{0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 0}
// err = checkStatus(t, blockPool, true, expected)
if err != nil {
return
}
// peer1.serveBlockHashes(9, 8, 7, 3, 2)
// expected = []int{5, 5, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 0}
// err = checkStatus(t, blockPool, true, expected)
// if err != nil {
// return
// }
peer1.serveBlockHashes(9, 8, 7, 3, 2)
expected = []int{6, 5, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 0}
// expected = []int{5, 5, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 0}
err = checkStatus(t, blockPool, true, expected)
if err != nil {
return
}
// peer1.serveBlocks(3, 7, 8)
// expected = []int{5, 5, 3, 3, 0, 1, 0, 0, 1, 1, 1, 1, 0}
// err = checkStatus(t, blockPool, true, expected)
// if err != nil {
// return
// }
peer1.serveBlocks(3, 7, 8)
expected = []int{6, 5, 3, 3, 0, 1, 0, 0, 1, 1, 1, 1, 0}
err = checkStatus(t, blockPool, true, expected)
if err != nil {
return
}
// peer1.serveBlocks(2, 3)
// expected = []int{5, 5, 4, 4, 0, 1, 0, 0, 1, 1, 1, 1, 0}
// err = checkStatus(t, blockPool, true, expected)
// if err != nil {
// return
// }
peer1.serveBlocks(2, 3)
expected = []int{6, 5, 4, 4, 0, 1, 0, 0, 1, 1, 1, 1, 0}
err = checkStatus(t, blockPool, true, expected)
if err != nil {
return
}
// peer4.AddPeer()
// expected = []int{5, 5, 4, 4, 0, 2, 0, 0, 2, 2, 1, 1, 0}
// err = checkStatus(t, blockPool, true, expected)
// if err != nil {
// return
// }
peer4.AddPeer()
expected = []int{6, 5, 4, 4, 0, 2, 0, 0, 2, 2, 1, 1, 0}
err = checkStatus(t, blockPool, true, expected)
if err != nil {
return
}
// peer4.sendBlockHashes(12, 11)
// expected = []int{5, 5, 4, 4, 0, 2, 0, 0, 2, 2, 1, 1, 0}
// err = checkStatus(t, blockPool, true, expected)
// if err != nil {
// return
// }
peer4.sendBlockHashes(12, 11)
expected = []int{6, 5, 4, 4, 0, 2, 0, 0, 2, 2, 1, 1, 0}
err = checkStatus(t, blockPool, true, expected)
if err != nil {
return
}
// peer2.AddPeer()
// expected = []int{5, 5, 4, 4, 0, 3, 0, 0, 3, 3, 1, 2, 0}
// err = checkStatus(t, blockPool, true, expected)
// if err != nil {
// return
// }
peer2.AddPeer()
expected = []int{6, 5, 4, 4, 0, 3, 0, 0, 3, 3, 1, 2, 0}
err = checkStatus(t, blockPool, true, expected)
if err != nil {
return
}
// peer2.serveBlocks(5, 6)
// peer2.serveBlockHashes(6, 5, 4, 3, 2)
// expected = []int{8, 8, 5, 5, 0, 3, 1, 0, 3, 3, 2, 2, 0}
// err = checkStatus(t, blockPool, true, expected)
// if err != nil {
// return
// }
peer2.serveBlocks(5, 6)
peer2.serveBlockHashes(6, 5, 4, 3, 2)
expected = []int{10, 8, 5, 5, 0, 3, 1, 0, 3, 3, 2, 2, 0}
err = checkStatus(t, blockPool, true, expected)
if err != nil {
return
}
// peer2.serveBlocks(2, 3, 4)
// expected = []int{8, 8, 6, 6, 0, 3, 1, 0, 3, 3, 2, 2, 0}
// err = checkStatus(t, blockPool, true, expected)
// if err != nil {
// return
// }
peer2.serveBlocks(2, 3, 4)
expected = []int{10, 8, 6, 6, 0, 3, 1, 0, 3, 3, 2, 2, 0}
err = checkStatus(t, blockPool, true, expected)
if err != nil {
return
}
// blockPool.RemovePeer("peer2")
// expected = []int{8, 8, 6, 6, 0, 3, 1, 0, 3, 2, 2, 2, 0}
// err = checkStatus(t, blockPool, true, expected)
// if err != nil {
// return
// }
blockPool.RemovePeer("peer2")
expected = []int{10, 8, 6, 6, 0, 3, 1, 0, 3, 2, 2, 2, 0}
err = checkStatus(t, blockPool, true, expected)
if err != nil {
return
}
// peer1.serveBlockHashes(2, 1, 0)
// expected = []int{9, 9, 6, 6, 0, 3, 1, 0, 3, 2, 2, 2, 0}
// err = checkStatus(t, blockPool, true, expected)
// if err != nil {
// return
// }
peer1.serveBlockHashes(2, 1, 0)
expected = []int{11, 9, 6, 6, 0, 3, 1, 0, 3, 2, 2, 2, 0}
err = checkStatus(t, blockPool, true, expected)
if err != nil {
return
}
// peer1.serveBlocks(1, 2)
// expected = []int{9, 9, 7, 7, 0, 3, 1, 0, 3, 2, 2, 2, 0}
// err = checkStatus(t, blockPool, true, expected)
// if err != nil {
// return
// }
peer1.serveBlocks(1, 2)
expected = []int{11, 9, 7, 7, 0, 3, 1, 0, 3, 2, 2, 2, 0}
err = checkStatus(t, blockPool, true, expected)
if err != nil {
return
}
// peer1.serveBlocks(4, 5)
// expected = []int{9, 9, 8, 8, 0, 3, 1, 0, 3, 2, 2, 2, 0}
// err = checkStatus(t, blockPool, true, expected)
// if err != nil {
// return
// }
peer1.serveBlocks(4, 5)
expected = []int{11, 9, 8, 8, 0, 3, 1, 0, 3, 2, 2, 2, 0}
err = checkStatus(t, blockPool, true, expected)
if err != nil {
return
}
// peer3.AddPeer()
// expected = []int{9, 9, 8, 8, 0, 4, 1, 0, 4, 3, 2, 3, 0}
// err = checkStatus(t, blockPool, true, expected)
// if err != nil {
// return
// }
peer3.AddPeer()
expected = []int{11, 9, 8, 8, 0, 4, 1, 0, 4, 3, 2, 3, 0}
err = checkStatus(t, blockPool, true, expected)
if err != nil {
return
}
// peer3.serveBlocks(10, 11)
// expected = []int{9, 9, 9, 9, 0, 4, 1, 0, 4, 3, 3, 3, 0}
// err = checkStatus(t, blockPool, true, expected)
// if err != nil {
// return
// }
peer3.serveBlocks(10, 11)
expected = []int{12, 9, 9, 9, 0, 4, 1, 0, 4, 3, 3, 3, 0}
err = checkStatus(t, blockPool, true, expected)
if err != nil {
return
}
// peer3.serveBlockHashes(11, 10, 9)
// expected = []int{11, 11, 9, 9, 0, 4, 1, 0, 4, 3, 3, 3, 0}
// err = checkStatus(t, blockPool, true, expected)
// if err != nil {
// return
// }
peer3.serveBlockHashes(11, 10, 9)
expected = []int{14, 11, 9, 9, 0, 4, 1, 0, 4, 3, 3, 3, 0}
err = checkStatus(t, blockPool, true, expected)
if err != nil {
return
}
// peer4.sendBlocks(11, 12)
// expected = []int{11, 11, 9, 9, 0, 4, 1, 0, 4, 3, 4, 3, 1}
// err = checkStatus(t, blockPool, true, expected)
// if err != nil {
// return
// }
// peer3.serveBlocks(9, 10)
// expected = []int{11, 11, 10, 10, 0, 4, 1, 0, 4, 3, 4, 3, 1}
// err = checkStatus(t, blockPool, true, expected)
// if err != nil {
// return
// }
peer4.sendBlocks(11, 12)
expected = []int{14, 11, 9, 9, 0, 4, 1, 0, 4, 3, 4, 3, 1}
err = checkStatus(t, blockPool, true, expected)
if err != nil {
return
}
peer3.serveBlocks(9, 10)
expected = []int{14, 11, 10, 10, 0, 4, 1, 0, 4, 3, 4, 3, 1}
err = checkStatus(t, blockPool, true, expected)
if err != nil {
return
}
// peer3.serveBlocks(0, 1)
// blockPool.Wait(waitTimeout)
// time.Sleep(200 * time.Millisecond)
// expected = []int{11, 3, 11, 3, 8, 4, 1, 8, 4, 3, 4, 3, 1}
// err = checkStatus(t, blockPool, false, expected)
// if err != nil {
// return
// }
peer3.serveBlocks(0, 1)
blockPool.Wait(waitTimeout)
time.Sleep(200 * time.Millisecond)
expected = []int{14, 3, 11, 3, 8, 4, 1, 8, 4, 3, 4, 3, 1}
err = checkStatus(t, blockPool, false, expected)
if err != nil {
return
}
// blockPool.Stop()
// }
blockPool.Stop()
}

32
blockpool/test/hash_pool.go
View File

@ -3,20 +3,10 @@ package test
import (
"sync"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
)
// test helpers
// TODO: move into common test helper package (see p2p/crypto etc.)
func NewHashPool() *TestHashPool {
return &TestHashPool{intToHash: make(intToHash), hashToInt: make(hashToInt)}
}
type intToHash map[int][]byte
type hashToInt map[string]int
// hashPool is a test helper, that allows random hashes to be referred to by integers
type TestHashPool struct {
intToHash
@ -24,11 +14,19 @@ type TestHashPool struct {
lock sync.Mutex
}
func newHash(i int) []byte {
return crypto.Sha3([]byte(string(i)))
func NewHashPool() *TestHashPool {
return &TestHashPool{intToHash: make(intToHash), hashToInt: make(hashToInt)}
}
func (self *TestHashPool) IndexesToHashes(indexes []int) (hashes [][]byte) {
type intToHash map[int]common.Hash
type hashToInt map[common.Hash]int
func newHash(i int) common.Hash {
return common.BytesToHash(crypto.Sha3([]byte(string(i))))
}
func (self *TestHashPool) IndexesToHashes(indexes []int) (hashes []common.Hash) {
self.lock.Lock()
defer self.lock.Unlock()
for _, i := range indexes {
@ -36,18 +34,18 @@ func (self *TestHashPool) IndexesToHashes(indexes []int) (hashes [][]byte) {
if !found {
hash = newHash(i)
self.intToHash[i] = hash
self.hashToInt[string(hash)] = i
self.hashToInt[hash] = i
}
hashes = append(hashes, hash)
}
return
}
func (self *TestHashPool) HashesToIndexes(hashes [][]byte) (indexes []int) {
func (self *TestHashPool) HashesToIndexes(hashes []common.Hash) (indexes []int) {
self.lock.Lock()
defer self.lock.Unlock()
for _, hash := range hashes {
i, found := self.hashToInt[string(hash)]
i, found := self.hashToInt[hash]
if !found {
i = -1
}

4
blockpool/test/logger.go
View File

@ -9,6 +9,8 @@ import (
"github.com/ethereum/go-ethereum/logger"
)
// logging in tests
var once sync.Once
/* usage:
@ -19,7 +21,7 @@ func TestFunc(t *testing.T) {
*/
func LogInit() {
once.Do(func() {
var logsys = logger.NewStdLogSystem(os.Stdout, log.LstdFlags, logger.LogLevel(logger.DebugDetailLevel))
var logsys = logger.NewStdLogSystem(os.Stdout, log.LstdFlags, logger.LogLevel(logger.WarnLevel))
logger.AddLogSystem(logsys)
})
}

2
blockpool/test/util.go
View File

@ -6,6 +6,8 @@ import (
"time"
)
// miscellaneous test helpers
func CheckInt(name string, got int, expected int, t *testing.T) (err error) {
if got != expected {
t.Errorf("status for %v incorrect. expected %v, got %v", name, expected, got)

213
cmd/blocktest/main.go
View File

@ -1,213 +0,0 @@
/*
This file is part of go-ethereum
go-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
go-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @authors
* Gustav Simonsson <gustav.simonsson@gmail.com>
* @date 2015
*
*/
package main
import (
"bytes"
"encoding/hex"
"encoding/json"
"flag"
"fmt"
"io/ioutil"
"log"
"math/big"
"os"
"runtime"
"strings"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/core"
types "github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/rlp"
)
type Account struct {
Balance string
Code string
Nonce string
Storage map[string]string
}
type BlockHeader struct {
Bloom string
Coinbase string
Difficulty string
ExtraData string
GasLimit string
GasUsed string
MixHash string
Nonce string
Number string
ParentHash string
ReceiptTrie string
SeedHash string
StateRoot string
Timestamp string
TransactionsTrie string
UncleHash string
}
type Tx struct {
Data string
GasLimit string
GasPrice string
Nonce string
R string
S string
To string
V string
Value string
}
type Block struct {
BlockHeader BlockHeader
Rlp string
Transactions []Tx
UncleHeaders []string
}
type Test struct {
Blocks []Block
GenesisBlockHeader BlockHeader
Pre map[string]Account
}
func main() {
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "%s <testfile>\n", os.Args[0])
flag.PrintDefaults()
}
flag.Parse()
runtime.GOMAXPROCS(runtime.NumCPU())
logger.AddLogSystem(logger.NewStdLogSystem(os.Stderr, log.LstdFlags, logger.DebugDetailLevel))
defer func() { logger.Flush() }()
if len(os.Args) < 2 {
utils.Fatalf("Please specify a test file as the first argument.")
}
blocks, err := loadBlocksFromTestFile(os.Args[1])
if err != nil {
utils.Fatalf("Could not load blocks: %v", err)
}
chain := memchain()
chain.ResetWithGenesisBlock(blocks[0])
if err = chain.InsertChain(types.Blocks{blocks[1]}); err != nil {
utils.Fatalf("Error: %v", err)
} else {
fmt.Println("PASS")
}
}
func memchain() *core.ChainManager {
blockdb, err := ethdb.NewMemDatabase()
if err != nil {
utils.Fatalf("Could not create in-memory database: %v", err)
}
statedb, err := ethdb.NewMemDatabase()
if err != nil {
utils.Fatalf("Could not create in-memory database: %v", err)
}
return core.NewChainManager(blockdb, statedb, new(event.TypeMux))
}
func loadBlocksFromTestFile(filePath string) (blocks types.Blocks, err error) {
fileContent, err := ioutil.ReadFile(filePath)
if err != nil {
return
}
bt := make(map[string]Test)
if err = json.Unmarshal(fileContent, &bt); err != nil {
return
}
// TODO: support multiple blocks; loop over all blocks
gbh := new(types.Header)
// Let's use slighlty different namings for the same things, because that's awesome.
gbh.ParentHash, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.ParentHash)
gbh.UncleHash, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.UncleHash)
gbh.Coinbase, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.Coinbase)
gbh.Root, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.StateRoot)
gbh.TxHash, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.TransactionsTrie)
gbh.ReceiptHash, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.ReceiptTrie)
gbh.Bloom, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.Bloom)
gbh.MixDigest, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.MixHash)
//gbh.SeedHash, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.SeedHash)
d, _ := new(big.Int).SetString(bt["SimpleTx"].GenesisBlockHeader.Difficulty, 10)
gbh.Difficulty = d
n, _ := new(big.Int).SetString(bt["SimpleTx"].GenesisBlockHeader.Number, 10)
gbh.Number = n
gl, _ := new(big.Int).SetString(bt["SimpleTx"].GenesisBlockHeader.GasLimit, 10)
gbh.GasLimit = gl
gu, _ := new(big.Int).SetString(bt["SimpleTx"].GenesisBlockHeader.GasUsed, 10)
gbh.GasUsed = gu
ts, _ := new(big.Int).SetString(bt["SimpleTx"].GenesisBlockHeader.Timestamp, 0)
gbh.Time = ts.Uint64()
extra, err := hex_decode(bt["SimpleTx"].GenesisBlockHeader.ExtraData)
gbh.Extra = string(extra) // TODO: change ExtraData to byte array
nonce, _ := hex_decode(bt["SimpleTx"].GenesisBlockHeader.Nonce)
gbh.Nonce = nonce
if err != nil {
return
}
gb := types.NewBlockWithHeader(gbh)
//gb.uncles = *new([]*types.Header)
//gb.transactions = *new(types.Transactions)
gb.Td = new(big.Int)
gb.Reward = new(big.Int)
testBlock := new(types.Block)
rlpBytes, err := hex_decode(bt["SimpleTx"].Blocks[0].Rlp)
err = rlp.Decode(bytes.NewReader(rlpBytes), &testBlock)
if err != nil {
return
}
blocks = types.Blocks{
gb,
testBlock,
}
return
}
func hex_decode(s string) (res []byte, err error) {
return hex.DecodeString(strings.TrimPrefix(s, "0x"))
}

9
cmd/ethereum/admin.go
View File

@ -8,8 +8,8 @@ import (
"time"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/rpc"
"github.com/ethereum/go-ethereum/state"
@ -221,13 +221,10 @@ func (js *jsre) exportChain(call otto.FunctionCall) otto.Value {
fmt.Println(err)
return otto.FalseValue()
}
data := js.ethereum.ChainManager().Export()
if err := common.WriteFile(fn, data); err != nil {
if err := utils.ExportChain(js.ethereum.ChainManager(), fn); err != nil {
fmt.Println(err)
return otto.FalseValue()
}
return otto.TrueValue()
}
@ -239,7 +236,7 @@ func (js *jsre) dumpBlock(call otto.FunctionCall) otto.Value {
block = js.ethereum.ChainManager().GetBlockByNumber(uint64(num))
} else if call.Argument(0).IsString() {
hash, _ := call.Argument(0).ToString()
block = js.ethereum.ChainManager().GetBlock(common.Hex2Bytes(hash))
block = js.ethereum.ChainManager().GetBlock(common.HexToHash(hash))
} else {
fmt.Println("invalid argument for dump. Either hex string or number")
}

2
cmd/ethereum/main.go
View File

@ -314,7 +314,7 @@ func dump(ctx *cli.Context) {
for _, arg := range ctx.Args() {
var block *types.Block
if hashish(arg) {
block = chainmgr.GetBlock(common.Hex2Bytes(arg))
block = chainmgr.GetBlock(common.HexToHash(arg))
} else {
num, _ := strconv.Atoi(arg)
block = chainmgr.GetBlockByNumber(uint64(num))

68
cmd/ethtest/main.go
View File

@ -33,6 +33,7 @@ import (
"strings"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/state"
@ -66,7 +67,7 @@ type Account struct {
}
func StateObjectFromAccount(db common.Database, addr string, account Account) *state.StateObject {
obj := state.NewStateObject(common.Hex2Bytes(addr), db)
obj := state.NewStateObject(common.HexToAddress(addr), db)
obj.SetBalance(common.Big(account.Balance))
if common.IsHex(account.Code) {
@ -112,7 +113,7 @@ func RunVmTest(r io.Reader) (failed int) {
for name, test := range tests {
db, _ := ethdb.NewMemDatabase()
statedb := state.New(nil, db)
statedb := state.New(common.Hash{}, db)
for addr, account := range test.Pre {
obj := StateObjectFromAccount(db, addr, account)
statedb.SetStateObject(obj)
@ -135,63 +136,82 @@ func RunVmTest(r io.Reader) (failed int) {
rexp := helper.FromHex(test.Out)
if bytes.Compare(rexp, ret) != 0 {
helper.Log.Infof("FAIL: %s's return failed. Expected %x, got %x\n", name, rexp, ret)
helper.Log.Infof("%s's return failed. Expected %x, got %x\n", name, rexp, ret)
failed = 1
}
for addr, account := range test.Post {
obj := statedb.GetStateObject(helper.FromHex(addr))
obj := statedb.GetStateObject(common.HexToAddress(addr))
if obj == nil {
continue
}
if len(test.Exec) == 0 {
if obj.Balance().Cmp(common.Big(account.Balance)) != 0 {
helper.Log.Infof("FAIL: %s's : (%x) balance failed. Expected %v, got %v => %v\n",
name,
obj.Address()[:4],
account.Balance,
obj.Balance(),
new(big.Int).Sub(common.Big(account.Balance), obj.Balance()),
)
helper.Log.Infof("%s's : (%x) balance failed. Expected %v, got %v => %v\n", name, obj.Address().Bytes()[:4], account.Balance, obj.Balance(), new(big.Int).Sub(common.Big(account.Balance), obj.Balance()))
failed = 1
}
}
for addr, value := range account.Storage {
v := obj.GetState(helper.FromHex(addr)).Bytes()
v := obj.GetState(common.HexToHash(addr)).Bytes()
vexp := helper.FromHex(value)
if bytes.Compare(v, vexp) != 0 {
helper.Log.Infof("FAIL: %s's : (%x: %s) storage failed. Expected %x, got %x (%v %v)\n", name, obj.Address()[0:4], addr, vexp, v, common.BigD(vexp), common.BigD(v))
helper.Log.Infof("%s's : (%x: %s) storage failed. Expected %x, got %x (%v %v)\n", name, obj.Address().Bytes()[0:4], addr, vexp, v, common.BigD(vexp), common.BigD(v))
failed = 1
}
}
}
if !bytes.Equal(common.Hex2Bytes(test.PostStateRoot), statedb.Root()) {
helper.Log.Infof("FAIL: %s's : Post state root error. Expected %s, got %x\n", name, test.PostStateRoot, statedb.Root())
statedb.Sync()
//if !bytes.Equal(common.Hex2Bytes(test.PostStateRoot), statedb.Root()) {
if common.HexToHash(test.PostStateRoot) != statedb.Root() {
helper.Log.Infof("%s's : Post state root failed. Expected %s, got %x", name, test.PostStateRoot, statedb.Root())
failed = 1
}
if len(test.Logs) > 0 {
if len(test.Logs) != len(logs) {
helper.Log.Infof("FAIL: log length mismatch. Expected %d, got %d", len(test.Logs), len(logs))
helper.Log.Infof("log length failed. Expected %d, got %d", len(test.Logs), len(logs))
failed = 1
} else {
/*
fmt.Println("A", test.Logs)
fmt.Println("B", logs)
for i, log := range test.Logs {
genBloom := common.LeftPadBytes(types.LogsBloom(state.Logs{logs[i]}).Bytes(), 256)
if !bytes.Equal(genBloom, common.Hex2Bytes(log.BloomF)) {
t.Errorf("bloom mismatch")
for i, log := range test.Logs {
if common.HexToAddress(log.AddressF) != logs[i].Address() {
helper.Log.Infof("'%s' log address failed. Expected %v got %x", name, log.AddressF, logs[i].Address())
failed = 1
}
if !bytes.Equal(logs[i].Data(), helper.FromHex(log.DataF)) {
helper.Log.Infof("'%s' log data failed. Expected %v got %x", name, log.DataF, logs[i].Data())
failed = 1
}
if len(log.TopicsF) != len(logs[i].Topics()) {
helper.Log.Infof("'%s' log topics length failed. Expected %d got %d", name, len(log.TopicsF), logs[i].Topics())
failed = 1
} else {
for j, topic := range log.TopicsF {
if common.HexToHash(topic) != logs[i].Topics()[j] {
helper.Log.Infof("'%s' log topic[%d] failed. Expected %v got %x", name, j, topic, logs[i].Topics()[j])
failed = 1
}
}
*/
}
genBloom := common.LeftPadBytes(types.LogsBloom(state.Logs{logs[i]}).Bytes(), 256)
if !bytes.Equal(genBloom, common.Hex2Bytes(log.BloomF)) {
helper.Log.Infof("'%s' bloom failed.", name)
failed = 1
}
}
}
}
if failed == 1 {
helper.Log.Infoln(string(statedb.Dump()))
}
logger.Flush()
}

36
cmd/utils/cmd.go
View File

@ -23,14 +23,15 @@ package utils
import (
"fmt"
"io"
"os"
"os/signal"
"regexp"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/rlp"
)
@ -152,29 +153,34 @@ func ImportChain(chainmgr *core.ChainManager, fn string) error {
}
defer fh.Close()
var blocks types.Blocks
if err := rlp.Decode(fh, &blocks); err != nil {
return err
}
chainmgr.Reset()
if err := chainmgr.InsertChain(blocks); err != nil {
return err
stream := rlp.NewStream(fh)
var i int
for ; ; i++ {
var b types.Block
if err := stream.Decode(&b); err == io.EOF {
break
} else if err != nil {
return fmt.Errorf("at block %d: %v", i, err)
}
if err := chainmgr.InsertChain(types.Blocks{&b}); err != nil {
return fmt.Errorf("invalid block %d: %v", i, err)
}
}
fmt.Printf("imported %d blocks\n", len(blocks))
fmt.Printf("imported %d blocks\n", i)
return nil
}
func ExportChain(chainmgr *core.ChainManager, fn string) error {
fmt.Printf("exporting blockchain '%s'\n", fn)
data := chainmgr.Export()
if err := common.WriteFile(fn, data); err != nil {
fh, err := os.OpenFile(fn, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, os.ModePerm)
if err != nil {
return err
}
defer fh.Close()
if err := chainmgr.Export(fh); err != nil {
return err
}
fmt.Printf("exported blockchain\n")
return nil
}

4
common/big.go
View File

@ -104,7 +104,7 @@ func BigCopy(src *big.Int) *big.Int {
//
// Returns the maximum size big integer
func BigMax(x, y *big.Int) *big.Int {
if x.Cmp(y) <= 0 {
if x.Cmp(y) < 0 {
return y
}
@ -115,7 +115,7 @@ func BigMax(x, y *big.Int) *big.Int {
//
// Returns the minimum size big integer
func BigMin(x, y *big.Int) *big.Int {
if x.Cmp(y) >= 0 {
if x.Cmp(y) > 0 {
return y
}

2
common/bytes.go
View File

@ -211,7 +211,7 @@ func RightPadString(str string, l int) string {
}
func Address(slice []byte) (addr []byte) {
func ToAddress(slice []byte) (addr []byte) {
if len(slice) < 20 {
addr = LeftPadBytes(slice, 20)
} else if len(slice) > 20 {

2
common/rlp.go
View File

@ -112,7 +112,7 @@ func Encode(object interface{}) []byte {
if object != nil {
switch t := object.(type) {
case *Value:
buff.Write(Encode(t.Raw()))
buff.Write(Encode(t.Val))
case RlpEncodable:
buff.Write(Encode(t.RlpData()))
// Code dup :-/

28
common/rlp_test.go
View File

@ -5,6 +5,8 @@ import (
"math/big"
"reflect"
"testing"
"github.com/ethereum/go-ethereum/rlp"
)
func TestNonInterfaceSlice(t *testing.T) {
@ -19,13 +21,16 @@ func TestNonInterfaceSlice(t *testing.T) {
func TestRlpValueEncoding(t *testing.T) {
val := EmptyValue()
val.AppendList().Append(1).Append(2).Append(3)
val.Append("4").AppendList().Append(5)
val.AppendList().Append(byte(1)).Append(byte(2)).Append(byte(3))
val.Append("4").AppendList().Append(byte(5))
res := val.Encode()
res, err := rlp.EncodeToBytes(val)
if err != nil {
t.Fatalf("encode error: %v", err)
}
exp := Encode([]interface{}{[]interface{}{1, 2, 3}, "4", []interface{}{5}})
if bytes.Compare(res, exp) != 0 {
t.Errorf("expected %q, got %q", res, exp)
t.Errorf("expected %x, got %x", exp, res)
}
}
@ -57,9 +62,7 @@ func TestValueSlice(t *testing.T) {
func TestLargeData(t *testing.T) {
data := make([]byte, 100000)
enc := Encode(data)
value := NewValue(enc)
value.Decode()
value := NewValueFromBytes(enc)
if value.Len() != len(data) {
t.Error("Expected data to be", len(data), "got", value.Len())
}
@ -133,15 +136,16 @@ func TestEncodeDecodeBigInt(t *testing.T) {
}
func TestEncodeDecodeBytes(t *testing.T) {
b := NewValue([]interface{}{[]byte{1, 2, 3, 4, 5}, byte(6)})
val := NewValueFromBytes(b.Encode())
if !b.Cmp(val) {
t.Errorf("Expected %v, got %v", val, b)
bv := NewValue([]interface{}{[]byte{1, 2, 3, 4, 5}, []byte{6}})
b, _ := rlp.EncodeToBytes(bv)
val := NewValueFromBytes(b)
if !bv.Cmp(val) {
t.Errorf("Expected %#v, got %#v", bv, val)
}
}
func TestEncodeZero(t *testing.T) {
b := NewValue(0).Encode()
b, _ := rlp.EncodeToBytes(NewValue(0))
exp := []byte{0xc0}
if bytes.Compare(b, exp) == 0 {
t.Error("Expected", exp, "got", b)

84
common/types.go
View File

@ -1,6 +1,84 @@
package common
type (
uHash [32]byte
uAddress [20]byte
import "math/big"
const (
hashLength = 32
addressLength = 20
)
type (
Hash [hashLength]byte
Address [addressLength]byte
)
func BytesToHash(b []byte) Hash {
var h Hash
h.SetBytes(b)
return h
}
func StringToHash(s string) Hash { return BytesToHash([]byte(s)) }
func BigToHash(b *big.Int) Hash { return BytesToHash(b.Bytes()) }
func HexToHash(s string) Hash { return BytesToHash(FromHex(s)) }
// Don't use the default 'String' method in case we want to overwrite
// Get the string representation of the underlying hash
func (h Hash) Str() string { return string(h[:]) }
func (h Hash) Bytes() []byte { return h[:] }
func (h Hash) Big() *big.Int { return Bytes2Big(h[:]) }
func (h Hash) Hex() string { return "0x" + Bytes2Hex(h[:]) }
// Sets the hash to the value of b. If b is larger than len(h) it will panic
func (h *Hash) SetBytes(b []byte) {
if len(b) > len(h) {
b = b[len(b)-hashLength:]
}
copy(h[hashLength-len(b):], b)
}
// Set string `s` to h. If s is larger than len(h) it will panic
func (h *Hash) SetString(s string) { h.SetBytes([]byte(s)) }
// Sets h to other
func (h *Hash) Set(other Hash) {
for i, v := range other {
h[i] = v
}
}
/////////// Address
func BytesToAddress(b []byte) Address {
var a Address
a.SetBytes(b)
return a
}
func StringToAddress(s string) Address { return BytesToAddress([]byte(s)) }
func BigToAddress(b *big.Int) Address { return BytesToAddress(b.Bytes()) }
func HexToAddress(s string) Address { return BytesToAddress(FromHex(s)) }
// Get the string representation of the underlying address
func (a Address) Str() string { return string(a[:]) }
func (a Address) Bytes() []byte { return a[:] }
func (a Address) Big() *big.Int { return Bytes2Big(a[:]) }
func (a Address) Hash() Hash { return BytesToHash(a[:]) }
func (a Address) Hex() string { return "0x" + Bytes2Hex(a[:]) }
// Sets the address to the value of b. If b is larger than len(a) it will panic
func (a *Address) SetBytes(b []byte) {
if len(b) > len(a) {
b = b[len(b)-addressLength:]
}
copy(a[addressLength-len(b):], b)
}
// Set string `s` to a. If s is larger than len(a) it will panic
func (a *Address) SetString(s string) { a.SetBytes([]byte(s)) }
// Sets a to other
func (a *Address) Set(other Address) {
for i, v := range other {
a[i] = v
}
}

48
common/types_template.go Normal file
View File

@ -0,0 +1,48 @@
// +build none
//sed -e 's/_N_/Hash/g' -e 's/_S_/32/g' -e '1d' types_template.go | gofmt -w hash.go
package common
import "math/big"
type _N_ [_S_]byte
func BytesTo_N_(b []byte) _N_ {
var h _N_
h.SetBytes(b)
return h
}
func StringTo_N_(s string) _N_ { return BytesTo_N_([]byte(s)) }
func BigTo_N_(b *big.Int) _N_ { return BytesTo_N_(b.Bytes()) }
func HexTo_N_(s string) _N_ { return BytesTo_N_(FromHex(s)) }
// Don't use the default 'String' method in case we want to overwrite
// Get the string representation of the underlying hash
func (h _N_) Str() string { return string(h[:]) }
func (h _N_) Bytes() []byte { return h[:] }
func (h _N_) Big() *big.Int { return Bytes2Big(h[:]) }
func (h _N_) Hex() string { return "0x" + Bytes2Hex(h[:]) }
// Sets the hash to the value of b. If b is larger than len(h) it will panic
func (h *_N_) SetBytes(b []byte) {
// Use the right most bytes
if len(b) > len(h) {
b = b[len(b)-_S_:]
}
// Reverse the loop
for i := len(b) - 1; i >= 0; i-- {
h[_S_-len(b)+i] = b[i]
}
}
// Set string `s` to h. If s is larger than len(h) it will panic
func (h *_N_) SetString(s string) { h.SetBytes([]byte(s)) }
// Sets h to other
func (h *_N_) Set(other _N_) {
for i, v := range other {
h[i] = v
}
}

15
common/types_test.go Normal file
View File

@ -0,0 +1,15 @@
package common
import "testing"
func TestBytesConversion(t *testing.T) {
bytes := []byte{5}
hash := BytesToHash(bytes)
var exp Hash
exp[31] = 5
if hash != exp {
t.Errorf("expected %x got %x", exp, hash)
}
}

79
common/value.go
View File

@ -3,18 +3,30 @@ package common
import (
"bytes"
"fmt"
"io"
"math/big"
"reflect"
"strconv"
"github.com/ethereum/go-ethereum/rlp"
)
// Data values are returned by the rlp decoder. The data values represents
// one item within the rlp data structure. It's responsible for all the casting
// It always returns something valid
type Value struct {
Val interface{}
kind reflect.Value
}
// Value can hold values of certain basic types and provides ways to
// convert between types without bothering to check whether the
// conversion is actually meaningful.
//
// It currently supports the following types:
//
// - int{,8,16,32,64}
// - uint{,8,16,32,64}
// - *big.Int
// - []byte, string
// - []interface{}
//
// Value is useful whenever you feel that Go's types limit your
// ability to express yourself. In these situations, use Value and
// forget about this strong typing nonsense.
type Value struct{ Val interface{} }
func (val *Value) String() string {
return fmt.Sprintf("%x", val.Val)
@ -38,7 +50,6 @@ func (val *Value) IsNil() bool {
}
func (val *Value) Len() int {
//return val.kind.Len()
if data, ok := val.Val.([]interface{}); ok {
return len(data)
}
@ -46,14 +57,6 @@ func (val *Value) Len() int {
return len(val.Bytes())
}
func (val *Value) Raw() interface{} {
return val.Val
}
func (val *Value) Interface() interface{} {
return val.Val
}
func (val *Value) Uint() uint64 {
if Val, ok := val.Val.(uint8); ok {
return uint64(Val)
@ -260,26 +263,34 @@ func (self *Value) DeepCmp(o *Value) bool {
return bytes.Compare(self.Bytes(), o.Bytes()) == 0
}
func (val *Value) Encode() []byte {
return Encode(val.Val)
}
// Assume that the data we have is encoded
func (self *Value) Decode() {
v, _ := Decode(self.Bytes(), 0)
self.Val = v
//self.Val = DecodeWithReader(bytes.NewBuffer(self.Bytes()))
}
func NewValueFromBytes(data []byte) *Value {
if len(data) != 0 {
value := NewValue(data)
value.Decode()
return value
func (self *Value) DecodeRLP(s *rlp.Stream) error {
var v interface{}
if err := s.Decode(&v); err != nil {
return err
}
self.Val = v
return nil
}
return NewValue(nil)
func (self *Value) EncodeRLP(w io.Writer) error {
if self == nil {
w.Write(rlp.EmptyList)
return nil
} else {
return rlp.Encode(w, self.Val)
}
}
// NewValueFromBytes decodes RLP data.
// The contained value will be nil if data contains invalid RLP.
func NewValueFromBytes(data []byte) *Value {
v := new(Value)
if len(data) != 0 {
if err := rlp.DecodeBytes(data, v); err != nil {
v.Val = nil
}
}
return v
}
// Value setters

2
common/value_test.go
View File

@ -35,7 +35,7 @@ func (s *ValueSuite) TestValueTypes(c *checker.C) {
c.Assert(str.Str(), checker.Equals, strExp)
c.Assert(num.Uint(), checker.Equals, numExp)
c.Assert(NewValue(inter.Interface()).Cmp(NewValue(interExp)), checker.Equals, true)
c.Assert(NewValue(inter.Val).Cmp(NewValue(interExp)), checker.Equals, true)
c.Assert(byt.Bytes(), checker.DeepEquals, bytExp)
c.Assert(bigInt.BigInt(), checker.DeepEquals, bigExp)
}

68
core/block_cache.go Normal file
View File

@ -0,0 +1,68 @@
package core
import (
"sync"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
)
// BlockCache implements a caching mechanism specifically for blocks and uses FILO to pop
type BlockCache struct {
size int
hashes []common.Hash
blocks map[common.Hash]*types.Block
mu sync.RWMutex
}
// Creates and returns a `BlockCache` with `size`. If `size` is smaller than 1 it will panic
func NewBlockCache(size int) *BlockCache {
if size < 1 {
panic("block cache size not allowed to be smaller than 1")
}
bc := &BlockCache{size: size}
bc.Clear()
return bc
}
func (bc *BlockCache) Clear() {
bc.blocks = make(map[common.Hash]*types.Block)
bc.hashes = nil
}
func (bc *BlockCache) Push(block *types.Block) {
bc.mu.Lock()
defer bc.mu.Unlock()
if len(bc.hashes) == bc.size {
delete(bc.blocks, bc.hashes[0])
// XXX There are a few other options on solving this
// 1) use a poller / GC like mechanism to clean up untracked objects
// 2) copy as below
// re-use the slice and remove the reference to bc.hashes[0]
// this will allow the element to be garbage collected.
copy(bc.hashes, bc.hashes[1:])
} else {
bc.hashes = append(bc.hashes, common.Hash{})
}
hash := block.Hash()
bc.blocks[hash] = block
bc.hashes[len(bc.hashes)-1] = hash
}
func (bc *BlockCache) Get(hash common.Hash) *types.Block {
bc.mu.RLock()
defer bc.mu.RUnlock()
if block, haz := bc.blocks[hash]; haz {
return block
}
return nil
}

48
core/block_cache_test.go Normal file
View File

@ -0,0 +1,48 @@
package core
import (
"math/big"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
)
func newChain(size int) (chain []*types.Block) {
var parentHash common.Hash
for i := 0; i < size; i++ {
block := types.NewBlock(parentHash, common.Address{}, common.Hash{}, new(big.Int), 0, "")
block.Header().Number = big.NewInt(int64(i))
chain = append(chain, block)
parentHash = block.Hash()
}
return
}
func insertChainCache(cache *BlockCache, chain []*types.Block) {
for _, block := range chain {
cache.Push(block)
}
}
func TestNewBlockCache(t *testing.T) {
chain := newChain(3)
cache := NewBlockCache(2)
insertChainCache(cache, chain)
if cache.hashes[0] != chain[1].Hash() {
t.Error("oldest block incorrect")
}
}
func TestInclusion(t *testing.T) {
chain := newChain(3)
cache := NewBlockCache(3)
insertChainCache(cache, chain)
for _, block := range chain {
if b := cache.Get(block.Hash()); b == nil {
t.Errorf("getting %x failed", block.Hash())
}
}
}

39
core/block_processor.go
View File

@ -1,7 +1,6 @@
package core
import (
"bytes"
"fmt"
"math/big"
"sync"
@ -78,7 +77,8 @@ func (self *BlockProcessor) ApplyTransaction(coinbase *state.StateObject, stated
_, gas, err := ApplyMessage(NewEnv(statedb, self.bc, tx, block), tx, cb)
if err != nil && (IsNonceErr(err) || state.IsGasLimitErr(err) || IsInvalidTxErr(err)) {
// If the account is managed, remove the invalid nonce.
self.bc.TxState().RemoveNonce(tx.From(), tx.Nonce())
from, _ := tx.From()
self.bc.TxState().RemoveNonce(from, tx.Nonce())
return nil, nil, err
}
@ -86,7 +86,7 @@ func (self *BlockProcessor) ApplyTransaction(coinbase *state.StateObject, stated
statedb.Update(nil)
cumulative := new(big.Int).Set(usedGas.Add(usedGas, gas))
receipt := types.NewReceipt(statedb.Root(), cumulative)
receipt := types.NewReceipt(statedb.Root().Bytes(), cumulative)
receipt.SetLogs(statedb.Logs())
receipt.Bloom = types.CreateBloom(types.Receipts{receipt})
chainlogger.Debugln(receipt)
@ -186,7 +186,7 @@ func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (td *big
// Validate the received block's bloom with the one derived from the generated receipts.
// For valid blocks this should always validate to true.
rbloom := types.CreateBloom(receipts)
if bytes.Compare(rbloom, header.Bloom) != 0 {
if rbloom != header.Bloom {
err = fmt.Errorf("unable to replicate block's bloom=%x", rbloom)
return
}
@ -194,14 +194,14 @@ func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (td *big
// The transactions Trie's root (R = (Tr [[H1, T1], [H2, T2], ... [Hn, Tn]]))
// can be used by light clients to make sure they've received the correct Txs
txSha := types.DeriveSha(block.Transactions())
if bytes.Compare(txSha, header.TxHash) != 0 {
if txSha != header.TxHash {
err = fmt.Errorf("validating transaction root. received=%x got=%x", header.TxHash, txSha)
return
}
// Tre receipt Trie's root (R = (Tr [[H1, R1], ... [Hn, R1]]))
receiptSha := types.DeriveSha(receipts)
if bytes.Compare(receiptSha, header.ReceiptHash) != 0 {
if receiptSha != header.ReceiptHash {
err = fmt.Errorf("validating receipt root. received=%x got=%x", header.ReceiptHash, receiptSha)
return
}
@ -214,7 +214,7 @@ func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (td *big
// Commit state objects/accounts to a temporary trie (does not save)
// used to calculate the state root.
state.Update(common.Big0)
if !bytes.Equal(header.Root, state.Root()) {
if header.Root != state.Root() {
err = fmt.Errorf("invalid merkle root. received=%x got=%x", header.Root, state.Root())
return
}
@ -230,7 +230,7 @@ func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (td *big
putTx(sm.extraDb, tx)
}
chainlogger.Infof("processed block #%d (%x...)\n", header.Number, block.Hash()[0:4])
chainlogger.Infof("processed block #%d (%x...)\n", header.Number, block.Hash().Bytes()[0:4])
return td, state.Logs(), nil
}
@ -280,35 +280,34 @@ func (sm *BlockProcessor) AccumulateRewards(statedb *state.StateDB, block, paren
ancestors := set.New()
uncles := set.New()
ancestorHeaders := make(map[string]*types.Header)
ancestorHeaders := make(map[common.Hash]*types.Header)
for _, ancestor := range sm.bc.GetAncestors(block, 7) {
hash := string(ancestor.Hash())
ancestorHeaders[hash] = ancestor.Header()
ancestors.Add(hash)
ancestorHeaders[ancestor.Hash()] = ancestor.Header()
ancestors.Add(ancestor.Hash())
// Include ancestors uncles in the uncle set. Uncles must be unique.
for _, uncle := range ancestor.Uncles() {
uncles.Add(string(uncle.Hash()))
uncles.Add(uncle.Hash())
}
}
uncles.Add(string(block.Hash()))
uncles.Add(block.Hash())
for _, uncle := range block.Uncles() {
if uncles.Has(string(uncle.Hash())) {
if uncles.Has(uncle.Hash()) {
// Error not unique
return UncleError("Uncle not unique")
}
uncles.Add(string(uncle.Hash()))
uncles.Add(uncle.Hash())
if ancestors.Has(string(uncle.Hash())) {
if ancestors.Has(uncle.Hash()) {
return UncleError("Uncle is ancestor")
}
if !ancestors.Has(string(uncle.ParentHash)) {
if !ancestors.Has(uncle.ParentHash) {
return UncleError(fmt.Sprintf("Uncle's parent unknown (%x)", uncle.ParentHash[0:4]))
}
if err := sm.ValidateHeader(uncle, ancestorHeaders[string(uncle.ParentHash)]); err != nil {
if err := sm.ValidateHeader(uncle, ancestorHeaders[uncle.ParentHash]); err != nil {
return ValidationError(fmt.Sprintf("%v", err))
}
@ -354,5 +353,5 @@ func putTx(db common.Database, tx *types.Transaction) {
statelogger.Infoln("Failed encoding tx", err)
return
}
db.Put(tx.Hash(), rlpEnc)
db.Put(tx.Hash().Bytes(), rlpEnc)
}

5
core/block_processor_test.go
View File

@ -4,6 +4,7 @@ import (
"math/big"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/pow/ezp"
@ -19,7 +20,7 @@ func proc() (*BlockProcessor, *ChainManager) {
func TestNumber(t *testing.T) {
bp, chain := proc()
block1 := chain.NewBlock(nil)
block1 := chain.NewBlock(common.Address{})
block1.Header().Number = big.NewInt(3)
err := bp.ValidateHeader(block1.Header(), chain.Genesis().Header())
@ -27,7 +28,7 @@ func TestNumber(t *testing.T) {
t.Errorf("expected block number error")
}
block1 = chain.NewBlock(nil)
block1 = chain.NewBlock(common.Address{})
err = bp.ValidateHeader(block1.Header(), chain.Genesis().Header())
if err == BlockNumberErr {
t.Errorf("didn't expect block number error")

8
core/chain_makers.go
View File

@ -29,7 +29,7 @@ var (
// Utility functions for making chains on the fly
// Exposed for sake of testing from other packages (eg. go-ethash)
func NewBlockFromParent(addr []byte, parent *types.Block) *types.Block {
func NewBlockFromParent(addr common.Address, parent *types.Block) *types.Block {
return newBlockFromParent(addr, parent)
}
@ -54,7 +54,7 @@ func NewCanonical(n int, db common.Database) (*BlockProcessor, error) {
}
// block time is fixed at 10 seconds
func newBlockFromParent(addr []byte, parent *types.Block) *types.Block {
func newBlockFromParent(addr common.Address, parent *types.Block) *types.Block {
block := types.NewBlock(parent.Hash(), addr, parent.Root(), common.BigPow(2, 32), 0, "")
block.SetUncles(nil)
block.SetTransactions(nil)
@ -74,8 +74,8 @@ func newBlockFromParent(addr []byte, parent *types.Block) *types.Block {
// Actually make a block by simulating what miner would do
// we seed chains by the first byte of the coinbase
func makeBlock(bman *BlockProcessor, parent *types.Block, i int, db common.Database, seed int) *types.Block {
addr := common.LeftPadBytes([]byte{byte(i)}, 20)
addr[0] = byte(seed)
var addr common.Address
addr[0], addr[19] = byte(seed), byte(i)
block := newBlockFromParent(addr, parent)
state := state.New(block.Root(), db)
cbase := state.GetOrNewStateObject(addr)

104
core/chain_manager.go
View File

@ -3,6 +3,7 @@ package core
import (
"bytes"
"fmt"
"io"
"math/big"
"sync"
@ -22,6 +23,8 @@ var (
blockNumPre = []byte("block-num-")
)
const blockCacheLimit = 10000
type StateQuery interface {
GetAccount(addr []byte) *state.StateObject
}
@ -37,8 +40,8 @@ func CalcDifficulty(block, parent *types.Header) *big.Int {
diff.Sub(parent.Difficulty, adjust)
}
if diff.Cmp(GenesisDiff) < 0 {
return GenesisDiff
if diff.Cmp(min) < 0 {
return min
}
return diff
@ -86,20 +89,30 @@ type ChainManager struct {
tsmu sync.RWMutex
td *big.Int
currentBlock *types.Block
lastBlockHash []byte
lastBlockHash common.Hash
transState *state.StateDB
txState *state.ManagedState
cache *BlockCache
quit chan struct{}
}
func NewChainManager(blockDb, stateDb common.Database, mux *event.TypeMux) *ChainManager {
bc := &ChainManager{blockDb: blockDb, stateDb: stateDb, genesisBlock: GenesisBlock(stateDb), eventMux: mux, quit: make(chan struct{})}
bc := &ChainManager{blockDb: blockDb, stateDb: stateDb, genesisBlock: GenesisBlock(stateDb), eventMux: mux, quit: make(chan struct{}), cache: NewBlockCache(blockCacheLimit)}
bc.setLastBlock()
bc.transState = bc.State().Copy()
// Take ownership of this particular state
bc.txState = state.ManageState(bc.State().Copy())
// load in last `blockCacheLimit` - 1 blocks. Last block is the current.
ancestors := bc.GetAncestors(bc.currentBlock, blockCacheLimit-1)
ancestors = append(ancestors, bc.currentBlock)
for _, block := range ancestors {
bc.cache.Push(block)
}
go bc.update()
return bc
@ -112,7 +125,7 @@ func (self *ChainManager) Td() *big.Int {
return self.td
}
func (self *ChainManager) LastBlockHash() []byte {
func (self *ChainManager) LastBlockHash() common.Hash {
self.mu.RLock()
defer self.mu.RUnlock()
@ -126,7 +139,7 @@ func (self *ChainManager) CurrentBlock() *types.Block {
return self.currentBlock
}
func (self *ChainManager) Status() (td *big.Int, currentBlock []byte, genesisBlock []byte) {
func (self *ChainManager) Status() (td *big.Int, currentBlock common.Hash, genesisBlock common.Hash) {
self.mu.RLock()
defer self.mu.RUnlock()
@ -168,7 +181,7 @@ func (self *ChainManager) setTransState(statedb *state.StateDB) {
func (bc *ChainManager) setLastBlock() {
data, _ := bc.blockDb.Get([]byte("LastBlock"))
if len(data) != 0 {
block := bc.GetBlock(data)
block := bc.GetBlock(common.BytesToHash(data))
bc.currentBlock = block
bc.lastBlockHash = block.Hash()
@ -182,12 +195,14 @@ func (bc *ChainManager) setLastBlock() {
}
// Block creation & chain handling
func (bc *ChainManager) NewBlock(coinbase []byte) *types.Block {
func (bc *ChainManager) NewBlock(coinbase common.Address) *types.Block {
bc.mu.RLock()
defer bc.mu.RUnlock()
var root []byte
parentHash := ZeroHash256
var (
root common.Hash
parentHash common.Hash
)
if bc.currentBlock != nil {
root = bc.currentBlock.Header().Root
@ -234,7 +249,7 @@ func (bc *ChainManager) Reset() {
}
func (bc *ChainManager) removeBlock(block *types.Block) {
bc.blockDb.Delete(append(blockHashPre, block.Hash()...))
bc.blockDb.Delete(append(blockHashPre, block.Hash().Bytes()...))
}
func (bc *ChainManager) ResetWithGenesisBlock(gb *types.Block) {
@ -252,35 +267,34 @@ func (bc *ChainManager) ResetWithGenesisBlock(gb *types.Block) {
bc.currentBlock = bc.genesisBlock
}
func (self *ChainManager) Export() []byte {
// Export writes the active chain to the given writer.
func (self *ChainManager) Export(w io.Writer) error {
self.mu.RLock()
defer self.mu.RUnlock()
chainlogger.Infof("exporting %v blocks...\n", self.currentBlock.Header().Number)
blocks := make([]*types.Block, int(self.currentBlock.NumberU64())+1)
for block := self.currentBlock; block != nil; block = self.GetBlock(block.Header().ParentHash) {
blocks[block.NumberU64()] = block
if err := block.EncodeRLP(w); err != nil {
return err
}
}
return common.Encode(blocks)
return nil
}
func (bc *ChainManager) insert(block *types.Block) {
//encodedBlock := common.Encode(block)
bc.blockDb.Put([]byte("LastBlock"), block.Hash())
bc.blockDb.Put([]byte("LastBlock"), block.Hash().Bytes())
bc.currentBlock = block
bc.lastBlockHash = block.Hash()
key := append(blockNumPre, block.Number().Bytes()...)
bc.blockDb.Put(key, bc.lastBlockHash)
bc.blockDb.Put(key, bc.lastBlockHash.Bytes())
// Push block to cache
bc.cache.Push(block)
}
func (bc *ChainManager) write(block *types.Block) {
encodedBlock := common.Encode(block.RlpDataForStorage())
key := append(blockHashPre, block.Hash()...)
bc.blockDb.Put(key, encodedBlock)
enc, _ := rlp.EncodeToBytes((*types.StorageBlock)(block))
key := append(blockHashPre, block.Hash().Bytes()...)
bc.blockDb.Put(key, enc)
}
// Accessors
@ -289,12 +303,12 @@ func (bc *ChainManager) Genesis() *types.Block {
}
// Block fetching methods
func (bc *ChainManager) HasBlock(hash []byte) bool {
data, _ := bc.blockDb.Get(append(blockHashPre, hash...))
func (bc *ChainManager) HasBlock(hash common.Hash) bool {
data, _ := bc.blockDb.Get(append(blockHashPre, hash[:]...))
return len(data) != 0
}
func (self *ChainManager) GetBlockHashesFromHash(hash []byte, max uint64) (chain [][]byte) {
func (self *ChainManager) GetBlockHashesFromHash(hash common.Hash, max uint64) (chain []common.Hash) {
block := self.GetBlock(hash)
if block == nil {
return
@ -317,18 +331,21 @@ func (self *ChainManager) GetBlockHashesFromHash(hash []byte, max uint64) (chain
return
}
func (self *ChainManager) GetBlock(hash []byte) *types.Block {
data, _ := self.blockDb.Get(append(blockHashPre, hash...))
func (self *ChainManager) GetBlock(hash common.Hash) *types.Block {
if block := self.cache.Get(hash); block != nil {
return block
}
data, _ := self.blockDb.Get(append(blockHashPre, hash[:]...))
if len(data) == 0 {
return nil
}
var block types.Block
var block types.StorageBlock
if err := rlp.Decode(bytes.NewReader(data), &block); err != nil {
fmt.Println(err)
chainlogger.Errorf("invalid block RLP for hash %x: %v", hash, err)
return nil
}
return &block
return (*types.Block)(&block)
}
func (self *ChainManager) GetBlockByNumber(num uint64) *types.Block {
@ -340,7 +357,7 @@ func (self *ChainManager) GetBlockByNumber(num uint64) *types.Block {
return nil
}
return self.GetBlock(key)
return self.GetBlock(common.BytesToHash(key))
}
func (self *ChainManager) GetUnclesInChain(block *types.Block, length int) (uncles []*types.Header) {
@ -418,7 +435,7 @@ func (self *ChainManager) InsertChain(chain types.Blocks) error {
}
h := block.Header()
chainlogger.Infof("INVALID block #%v (%x)\n", h.Number, h.Hash()[:4])
chainlogger.Infof("INVALID block #%v (%x)\n", h.Number, h.Hash().Bytes()[:4])
chainlogger.Infoln(err)
chainlogger.Debugln(block)
return err
@ -435,7 +452,9 @@ func (self *ChainManager) InsertChain(chain types.Blocks) error {
// At this point it's possible that a different chain (fork) becomes the new canonical chain.
if td.Cmp(self.td) > 0 {
if block.Header().Number.Cmp(new(big.Int).Add(cblock.Header().Number, common.Big1)) < 0 {
chainlogger.Infof("Split detected. New head #%v (%x) TD=%v, was #%v (%x) TD=%v\n", block.Header().Number, block.Hash()[:4], td, cblock.Header().Number, cblock.Hash()[:4], self.td)
chash := cblock.Hash()
hash := block.Hash()
chainlogger.Infof("Split detected. New head #%v (%x) TD=%v, was #%v (%x) TD=%v\n", block.Header().Number, hash[:4], td, cblock.Header().Number, chash[:4], self.td)
queue[i] = ChainSplitEvent{block, logs}
queueEvent.splitCount++
@ -445,10 +464,10 @@ func (self *ChainManager) InsertChain(chain types.Blocks) error {
self.insert(block)
jsonlogger.LogJson(&logger.EthChainNewHead{
BlockHash: common.Bytes2Hex(block.Hash()),
BlockHash: block.Hash().Hex(),
BlockNumber: block.Number(),
ChainHeadHash: common.Bytes2Hex(cblock.Hash()),
BlockPrevHash: common.Bytes2Hex(block.ParentHash()),
ChainHeadHash: cblock.Hash().Hex(),
BlockPrevHash: block.ParentHash().Hex(),
})
self.setTransState(state.New(block.Root(), self.stateDb))
@ -465,7 +484,6 @@ func (self *ChainManager) InsertChain(chain types.Blocks) error {
}
// XXX put this in a goroutine?
go self.eventMux.Post(queueEvent)
return nil
@ -505,7 +523,9 @@ out:
}
}
/*
// Satisfy state query interface
func (self *ChainManager) GetAccount(addr []byte) *state.StateObject {
func (self *ChainManager) GetAccount(addr common.Hash) *state.StateObject {
return self.State().GetAccount(addr)
}
*/

11
core/chain_manager_test.go
View File

@ -1,7 +1,6 @@
package core
import (
"bytes"
"fmt"
"math/big"
"os"
@ -35,7 +34,7 @@ func testFork(t *testing.T, bman *BlockProcessor, i, N int, f func(td1, td2 *big
// asert the bmans have the same block at i
bi1 := bman.bc.GetBlockByNumber(uint64(i)).Hash()
bi2 := bman2.bc.GetBlockByNumber(uint64(i)).Hash()
if bytes.Compare(bi1, bi2) != 0 {
if bi1 != bi2 {
t.Fatal("chains do not have the same hash at height", i)
}
@ -70,7 +69,7 @@ func printChain(bc *ChainManager) {
func testChain(chainB types.Blocks, bman *BlockProcessor) (*big.Int, error) {
td := new(big.Int)
for _, block := range chainB {
td2, err := bman.bc.processor.Process(block)
td2, _, err := bman.bc.processor.Process(block)
if err != nil {
if IsKnownBlockErr(err) {
continue
@ -270,11 +269,11 @@ func TestChainInsertions(t *testing.T) {
<-done
}
if bytes.Equal(chain2[len(chain2)-1].Hash(), chainMan.CurrentBlock().Hash()) {
if chain2[len(chain2)-1].Hash() != chainMan.CurrentBlock().Hash() {
t.Error("chain2 is canonical and shouldn't be")
}
if !bytes.Equal(chain1[len(chain1)-1].Hash(), chainMan.CurrentBlock().Hash()) {
if chain1[len(chain1)-1].Hash() != chainMan.CurrentBlock().Hash() {
t.Error("chain1 isn't canonical and should be")
}
}
@ -320,7 +319,7 @@ func TestChainMultipleInsertions(t *testing.T) {
<-done
}
if !bytes.Equal(chains[longest][len(chains[longest])-1].Hash(), chainMan.CurrentBlock().Hash()) {
if chains[longest][len(chains[longest])-1].Hash() != chainMan.CurrentBlock().Hash() {
t.Error("Invalid canonical chain")
}
}

6
core/error.go
View File

@ -4,6 +4,8 @@ import (
"errors"
"fmt"
"math/big"
"github.com/ethereum/go-ethereum/common"
)
var (
@ -21,7 +23,7 @@ func (err *ParentErr) Error() string {
return err.Message
}
func ParentError(hash []byte) error {
func ParentError(hash common.Hash) error {
return &ParentErr{Message: fmt.Sprintf("Block's parent unknown %x", hash)}
}
@ -136,7 +138,7 @@ func IsTDError(e error) bool {
type KnownBlockError struct {
number *big.Int
hash []byte
hash common.Hash
}
func (self *KnownBlockError) Error() string {

27
core/execution.go
View File

@ -4,6 +4,7 @@ import (
"math/big"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/state"
"github.com/ethereum/go-ethereum/vm"
@ -11,26 +12,23 @@ import (
type Execution struct {
env vm.Environment
address, input []byte
address *common.Address
input []byte
Gas, price, value *big.Int
}
func NewExecution(env vm.Environment, address, input []byte, gas, gasPrice, value *big.Int) *Execution {
func NewExecution(env vm.Environment, address *common.Address, input []byte, gas, gasPrice, value *big.Int) *Execution {
return &Execution{env: env, address: address, input: input, Gas: gas, price: gasPrice, value: value}
}
func (self *Execution) Addr() []byte {
return self.address
}
func (self *Execution) Call(codeAddr []byte, caller vm.ContextRef) ([]byte, error) {
func (self *Execution) Call(codeAddr common.Address, caller vm.ContextRef) ([]byte, error) {
// Retrieve the executing code
code := self.env.State().GetCode(codeAddr)
return self.exec(code, codeAddr, caller)
return self.exec(&codeAddr, code, caller)
}
func (self *Execution) exec(code, contextAddr []byte, caller vm.ContextRef) (ret []byte, err error) {
func (self *Execution) exec(contextAddr *common.Address, code []byte, caller vm.ContextRef) (ret []byte, err error) {
env := self.env
evm := vm.NewVm(env)
if env.Depth() == vm.MaxCallDepth {
@ -40,14 +38,15 @@ func (self *Execution) exec(code, contextAddr []byte, caller vm.ContextRef) (ret
}
vsnapshot := env.State().Copy()
if len(self.address) == 0 {
if self.address == nil {
// Generate a new address
nonce := env.State().GetNonce(caller.Address())
self.address = crypto.CreateAddress(caller.Address(), nonce)
addr := crypto.CreateAddress(caller.Address(), nonce)
self.address = &addr
env.State().SetNonce(caller.Address(), nonce+1)
}
from, to := env.State().GetStateObject(caller.Address()), env.State().GetOrNewStateObject(self.address)
from, to := env.State().GetStateObject(caller.Address()), env.State().GetOrNewStateObject(*self.address)
err = env.Transfer(from, to, self.value)
if err != nil {
env.State().Set(vsnapshot)
@ -73,8 +72,8 @@ func (self *Execution) exec(code, contextAddr []byte, caller vm.ContextRef) (ret
}
func (self *Execution) Create(caller vm.ContextRef) (ret []byte, err error, account *state.StateObject) {
ret, err = self.exec(self.input, nil, caller)
account = self.env.State().GetStateObject(self.address)
ret, err = self.exec(nil, self.input, caller)
account = self.env.State().GetStateObject(*self.address)
return
}

24
core/filter.go
View File

@ -1,9 +1,9 @@
package core
import (
"bytes"
"math"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/state"
)
@ -16,8 +16,8 @@ type FilterOptions struct {
Earliest int64
Latest int64
Address [][]byte
Topics [][][]byte
Address []common.Address
Topics [][]common.Hash
Skip int
Max int
@ -29,9 +29,9 @@ type Filter struct {
earliest int64
latest int64
skip int
address [][]byte
address []common.Address
max int
topics [][][]byte
topics [][]common.Hash
BlockCallback func(*types.Block, state.Logs)
PendingCallback func(*types.Transaction)
@ -67,11 +67,11 @@ func (self *Filter) SetLatestBlock(latest int64) {
self.latest = latest
}
func (self *Filter) SetAddress(addr [][]byte) {
func (self *Filter) SetAddress(addr []common.Address) {
self.address = addr
}
func (self *Filter) SetTopics(topics [][][]byte) {
func (self *Filter) SetTopics(topics [][]common.Hash) {
self.topics = topics
}
@ -131,9 +131,9 @@ func (self *Filter) Find() state.Logs {
return logs[skip:]
}
func includes(addresses [][]byte, a []byte) bool {
func includes(addresses []common.Address, a common.Address) bool {
for _, addr := range addresses {
if !bytes.Equal(addr, a) {
if addr != a {
return false
}
}
@ -151,13 +151,13 @@ Logs:
continue
}
logTopics := make([][]byte, len(self.topics))
logTopics := make([]common.Hash, len(self.topics))
copy(logTopics, log.Topics())
for i, topics := range self.topics {
for _, topic := range topics {
var match bool
if bytes.Equal(log.Topics()[i], topic) {
if log.Topics()[i] == topic {
match = true
}
if !match {
@ -176,7 +176,7 @@ func (self *Filter) bloomFilter(block *types.Block) bool {
if len(self.address) > 0 {
var included bool
for _, addr := range self.address {
if types.BloomLookup(block.Bloom(), addr) {
if types.BloomLookup(block.Bloom(), addr.Hash()) {
included = true
break
}

11
core/genesis.go
View File

@ -6,9 +6,8 @@ import (
"math/big"
"os"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/state"
)
@ -19,19 +18,15 @@ import (
var ZeroHash256 = make([]byte, 32)
var ZeroHash160 = make([]byte, 20)
var ZeroHash512 = make([]byte, 64)
var EmptyShaList = crypto.Sha3(common.Encode([]interface{}{}))
var EmptyListRoot = crypto.Sha3(common.Encode(""))
var GenesisDiff = big.NewInt(131072)
var GenesisGasLimit = big.NewInt(3141592)
func GenesisBlock(db common.Database) *types.Block {
genesis := types.NewBlock(ZeroHash256, ZeroHash160, nil, GenesisDiff, 42, "")
genesis := types.NewBlock(common.Hash{}, common.Address{}, common.Hash{}, GenesisDiff, 42, "")
genesis.Header().Number = common.Big0
genesis.Header().GasLimit = GenesisGasLimit
genesis.Header().GasUsed = common.Big0
genesis.Header().Time = 0
genesis.Header().MixDigest = make([]byte, 32)
genesis.Td = common.Big0
@ -49,7 +44,7 @@ func GenesisBlock(db common.Database) *types.Block {
statedb := state.New(genesis.Root(), db)
for addr, account := range accounts {
codedAddr := common.Hex2Bytes(addr)
accountState := statedb.GetAccount(codedAddr)
accountState := statedb.GetAccount(common.BytesToAddress(codedAddr))
accountState.SetBalance(common.Big(account.Balance))
statedb.UpdateStateObject(accountState)
}

39
core/state_transition.go
View File

@ -4,8 +4,8 @@ import (
"fmt"
"math/big"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/state"
"github.com/ethereum/go-ethereum/vm"
)
@ -31,7 +31,7 @@ var ()
* 6) Derive new state root
*/
type StateTransition struct {
coinbase []byte
coinbase common.Address
msg Message
gas, gasPrice *big.Int
initialGas *big.Int
@ -44,9 +44,10 @@ type StateTransition struct {
env vm.Environment
}
// Message represents a message sent to a contract.
type Message interface {
From() []byte
To() []byte
From() (common.Address, error)
To() *common.Address
GasPrice() *big.Int
Gas() *big.Int
@ -56,13 +57,14 @@ type Message interface {
Data() []byte
}
func AddressFromMessage(msg Message) []byte {
// Generate a new address
return crypto.Sha3(common.NewValue([]interface{}{msg.From(), msg.Nonce()}).Encode())[12:]
func AddressFromMessage(msg Message) common.Address {
from, _ := msg.From()
return crypto.CreateAddress(from, msg.Nonce())
}
func MessageCreatesContract(msg Message) bool {
return len(msg.To()) == 0
return msg.To() == nil
}
func MessageGasValue(msg Message) *big.Int {
@ -92,13 +94,18 @@ func (self *StateTransition) Coinbase() *state.StateObject {
return self.state.GetOrNewStateObject(self.coinbase)
}
func (self *StateTransition) From() *state.StateObject {
return self.state.GetOrNewStateObject(self.msg.From())
f, _ := self.msg.From()
return self.state.GetOrNewStateObject(f)
}
func (self *StateTransition) To() *state.StateObject {
if self.msg != nil && MessageCreatesContract(self.msg) {
if self.msg == nil {
return nil
}
return self.state.GetOrNewStateObject(self.msg.To())
to := self.msg.To()
if to == nil {
return nil // contract creation
}
return self.state.GetOrNewStateObject(*to)
}
func (self *StateTransition) UseGas(amount *big.Int) error {
@ -119,7 +126,7 @@ func (self *StateTransition) BuyGas() error {
sender := self.From()
if sender.Balance().Cmp(MessageGasValue(self.msg)) < 0 {
return fmt.Errorf("insufficient ETH for gas (%x). Req %v, has %v", sender.Address()[:4], MessageGasValue(self.msg), sender.Balance())
return fmt.Errorf("insufficient ETH for gas (%x). Req %v, has %v", sender.Address().Bytes()[:4], MessageGasValue(self.msg), sender.Balance())
}
coinbase := self.Coinbase()
@ -196,7 +203,8 @@ func (self *StateTransition) transitionState() (ret []byte, usedGas *big.Int, er
var ref vm.ContextRef
if MessageCreatesContract(msg) {
contract := makeContract(msg, self.state)
ret, err, ref = vmenv.Create(sender, contract.Address(), self.msg.Data(), self.gas, self.gasPrice, self.value)
addr := contract.Address()
ret, err, ref = vmenv.Create(sender, &addr, self.msg.Data(), self.gas, self.gasPrice, self.value)
if err == nil {
dataGas := big.NewInt(int64(len(ret)))
dataGas.Mul(dataGas, vm.GasCreateByte)
@ -230,7 +238,7 @@ func (self *StateTransition) refundGas() {
for addr, ref := range self.state.Refunds() {
refund := common.BigMin(uhalf, ref)
self.gas.Add(self.gas, refund)
self.state.AddBalance([]byte(addr), refund.Mul(refund, self.msg.GasPrice()))
self.state.AddBalance(common.StringToAddress(addr), refund.Mul(refund, self.msg.GasPrice()))
}
coinbase.RefundGas(self.gas, self.msg.GasPrice())
@ -242,7 +250,8 @@ func (self *StateTransition) gasUsed() *big.Int {
// Converts an message in to a state object
func makeContract(msg Message, state *state.StateDB) *state.StateObject {
addr := AddressFromMessage(msg)
faddr, _ := msg.From()
addr := crypto.CreateAddress(faddr, msg.Nonce())
contract := state.GetOrNewStateObject(addr)
contract.SetInitCode(msg.Data())

65
core/transaction_pool.go
View File

@ -5,8 +5,8 @@ import (
"fmt"
"sync"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/logger"
)
@ -20,9 +20,7 @@ var (
const txPoolQueueSize = 50
type TxPoolHook chan *types.Transaction
type TxMsg struct {
Tx *types.Transaction
}
type TxMsg struct{ Tx *types.Transaction }
const (
minGasPrice = 1000000
@ -44,7 +42,7 @@ type TxPool struct {
quit chan bool
// The actual pool
//pool *list.List
txs map[string]*types.Transaction
txs map[common.Hash]*types.Transaction
SecondaryProcessor TxProcessor
@ -55,7 +53,7 @@ type TxPool struct {
func NewTxPool(eventMux *event.TypeMux) *TxPool {
return &TxPool{
txs: make(map[string]*types.Transaction),
txs: make(map[common.Hash]*types.Transaction),
queueChan: make(chan *types.Transaction, txPoolQueueSize),
quit: make(chan bool),
eventMux: eventMux,
@ -63,21 +61,16 @@ func NewTxPool(eventMux *event.TypeMux) *TxPool {
}
func (pool *TxPool) ValidateTransaction(tx *types.Transaction) error {
if len(tx.To()) != 0 && len(tx.To()) != 20 {
return fmt.Errorf("Invalid recipient. len = %d", len(tx.To()))
// Validate sender
if _, err := tx.From(); err != nil {
return ErrInvalidSender
}
// Validate curve param
v, _, _ := tx.Curve()
if v > 28 || v < 27 {
return fmt.Errorf("tx.v != (28 || 27) => %v", v)
}
// Validate sender address
senderAddr := tx.From()
if senderAddr == nil || len(senderAddr) != 20 {
return ErrInvalidSender
}
return nil
/* XXX this kind of validation needs to happen elsewhere in the gui when sending txs.
Other clients should do their own validation. Value transfer could throw error
@ -91,19 +84,17 @@ func (pool *TxPool) ValidateTransaction(tx *types.Transaction) error {
return fmt.Errorf("Insufficient amount in sender's (%x) account", tx.From())
}
*/
return nil
}
func (self *TxPool) addTx(tx *types.Transaction) {
self.txs[string(tx.Hash())] = tx
self.txs[tx.Hash()] = tx
}
func (self *TxPool) add(tx *types.Transaction) error {
if self.txs[string(tx.Hash())] != nil {
return fmt.Errorf("Known transaction (%x)", tx.Hash()[0:4])
hash := tx.Hash()
if self.txs[hash] != nil {
return fmt.Errorf("Known transaction (%x)", hash[0:4])
}
err := self.ValidateTransaction(tx)
if err != nil {
return err
@ -111,19 +102,17 @@ func (self *TxPool) add(tx *types.Transaction) error {
self.addTx(tx)
var to string
if len(tx.To()) > 0 {
to = common.Bytes2Hex(tx.To()[:4])
var toname string
if to := tx.To(); to != nil {
toname = common.Bytes2Hex(to[:4])
} else {
to = "[NEW_CONTRACT]"
toname = "[NEW_CONTRACT]"
}
var from string
if len(tx.From()) > 0 {
from = common.Bytes2Hex(tx.From()[:4])
} else {
return errors.New(fmt.Sprintf("FROM ADDRESS MUST BE POSITIVE (was %v)", tx.From()))
}
txplogger.Debugf("(t) %x => %s (%v) %x\n", from, to, tx.Value, tx.Hash())
// we can ignore the error here because From is
// verified in ValidateTransaction.
f, _ := tx.From()
from := common.Bytes2Hex(f[:4])
txplogger.Debugf("(t) %x => %s (%v) %x\n", from, toname, tx.Value, tx.Hash())
// Notify the subscribers
go self.eventMux.Post(TxPreEvent{tx})
@ -140,6 +129,7 @@ func (self *TxPool) Add(tx *types.Transaction) error {
defer self.mu.Unlock()
return self.add(tx)
}
func (self *TxPool) AddTransactions(txs []*types.Transaction) {
self.mu.Lock()
defer self.mu.Unlock()
@ -148,7 +138,8 @@ func (self *TxPool) AddTransactions(txs []*types.Transaction) {
if err := self.add(tx); err != nil {
txplogger.Debugln(err)
} else {
txplogger.Debugf("tx %x\n", tx.Hash()[0:4])
h := tx.Hash()
txplogger.Debugf("tx %x\n", h[:4])
}
}
}
@ -172,7 +163,8 @@ func (pool *TxPool) RemoveInvalid(query StateQuery) {
var removedTxs types.Transactions
for _, tx := range pool.txs {
sender := query.GetAccount(tx.From())
from, _ := tx.From()
sender := query.GetAccount(from[:])
err := pool.ValidateTransaction(tx)
if err != nil || sender.Nonce() >= tx.Nonce() {
removedTxs = append(removedTxs, tx)
@ -186,14 +178,13 @@ func (pool *TxPool) RemoveInvalid(query StateQuery) {
func (self *TxPool) RemoveSet(txs types.Transactions) {
self.mu.Lock()
defer self.mu.Unlock()
for _, tx := range txs {
delete(self.txs, string(tx.Hash()))
delete(self.txs, tx.Hash())
}
}
func (pool *TxPool) Flush() {
pool.txs = make(map[string]*types.Transaction)
pool.txs = make(map[common.Hash]*types.Transaction)
}
func (pool *TxPool) Start() {

12
core/transaction_pool_test.go
View File

@ -4,10 +4,10 @@ import (
"crypto/ecdsa"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/state"
)
@ -21,11 +21,11 @@ func SQ() stateQuery {
}
func (self stateQuery) GetAccount(addr []byte) *state.StateObject {
return state.NewStateObject(addr, self.db)
return state.NewStateObject(common.BytesToAddress(addr), self.db)
}
func transaction() *types.Transaction {
return types.NewTransactionMessage(make([]byte, 20), common.Big0, common.Big0, common.Big0, nil)
return types.NewTransactionMessage(common.Address{}, common.Big0, common.Big0, common.Big0, nil)
}
func setup() (*TxPool, *ecdsa.PrivateKey) {
@ -88,10 +88,8 @@ func TestRemoveInvalid(t *testing.T) {
func TestInvalidSender(t *testing.T) {
pool, _ := setup()
tx := new(types.Transaction)
tx.V = 28
err := pool.ValidateTransaction(tx)
err := pool.ValidateTransaction(new(types.Transaction))
if err != ErrInvalidSender {
t.Error("expected %v, got %v", ErrInvalidSender, err)
t.Errorf("expected %v, got %v", ErrInvalidSender, err)
}
}

187
core/types/block.go
View File

@ -1,33 +1,33 @@
package types
import (
"bytes"
"encoding/binary"
"fmt"
"io"
"math/big"
"sort"
"time"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto/sha3"
"github.com/ethereum/go-ethereum/rlp"
)
type Header struct {
// Hash to the previous block
ParentHash []byte
ParentHash common.Hash
// Uncles of this block
UncleHash []byte
UncleHash common.Hash
// The coin base address
Coinbase []byte
Coinbase common.Address
// Block Trie state
Root []byte
Root common.Hash
// Tx sha
TxHash []byte
TxHash common.Hash
// Receipt sha
ReceiptHash []byte
ReceiptHash common.Hash
// Bloom
Bloom []byte
Bloom Bloom
// Difficulty for the current block
Difficulty *big.Int
// The block number
@ -41,9 +41,17 @@ type Header struct {
// Extra data
Extra string
// Mix digest for quick checking to prevent DOS
MixDigest []byte
MixDigest common.Hash
// Nonce
Nonce []byte
Nonce [8]byte
}
func (self *Header) Hash() common.Hash {
return rlpHash(self.rlpData(true))
}
func (self *Header) HashNoNonce() common.Hash {
return rlpHash(self.rlpData(false))
}
func (self *Header) rlpData(withNonce bool) []interface{} {
@ -65,7 +73,6 @@ func (self *Header) rlpData(withNonce bool) []interface{} {
if withNonce {
fields = append(fields, self.MixDigest, self.Nonce)
}
return fields
}
@ -73,28 +80,49 @@ func (self *Header) RlpData() interface{} {
return self.rlpData(true)
}
func (self *Header) Hash() []byte {
return crypto.Sha3(common.Encode(self.rlpData(true)))
}
func (self *Header) HashNoNonce() []byte {
return crypto.Sha3(common.Encode(self.rlpData(false)))
func rlpHash(x interface{}) (h common.Hash) {
hw := sha3.NewKeccak256()
rlp.Encode(hw, x)
hw.Sum(h[:0])
return h
}
type Block struct {
// Preset Hash for mock
HeaderHash []byte
ParentHeaderHash []byte
header *Header
uncles []*Header
transactions Transactions
Td *big.Int
// Preset Hash for mock (Tests)
HeaderHash common.Hash
ParentHeaderHash common.Hash
// ^^^^ ignore ^^^^
header *Header
uncles []*Header
transactions Transactions
Td *big.Int
receipts Receipts
Reward *big.Int
}
func NewBlock(parentHash []byte, coinbase []byte, root []byte, difficulty *big.Int, nonce uint64, extra string) *Block {
// StorageBlock defines the RLP encoding of a Block stored in the
// state database. The StorageBlock encoding contains fields that
// would otherwise need to be recomputed.
type StorageBlock Block
// "external" block encoding. used for eth protocol, etc.
type extblock struct {
Header *Header
Txs []*Transaction
Uncles []*Header
}
// "storage" block encoding. used for database.
type storageblock struct {
Header *Header
Txs []*Transaction
Uncles []*Header
TD *big.Int
}
func NewBlock(parentHash common.Hash, coinbase common.Address, root common.Hash, difficulty *big.Int, nonce uint64, extra string) *Block {
header := &Header{
Root: root,
ParentHash: parentHash,
@ -105,16 +133,13 @@ func NewBlock(parentHash []byte, coinbase []byte, root []byte, difficulty *big.I
GasUsed: new(big.Int),
GasLimit: new(big.Int),
}
header.setNonce(nonce)
header.SetNonce(nonce)
block := &Block{header: header, Reward: new(big.Int)}
return block
}
func (self *Header) setNonce(nonce uint64) {
self.Nonce = make([]byte, 8)
binary.BigEndian.PutUint64(self.Nonce, nonce)
func (self *Header) SetNonce(nonce uint64) {
binary.BigEndian.PutUint64(self.Nonce[:], nonce)
}
func NewBlockWithHeader(header *Header) *Block {
@ -122,22 +147,40 @@ func NewBlockWithHeader(header *Header) *Block {
}
func (self *Block) DecodeRLP(s *rlp.Stream) error {
var extblock struct {
Header *Header
Txs []*Transaction
Uncles []*Header
TD *big.Int // optional
}
if err := s.Decode(&extblock); err != nil {
var eb extblock
if err := s.Decode(&eb); err != nil {
return err
}
self.header = extblock.Header
self.uncles = extblock.Uncles
self.transactions = extblock.Txs
self.Td = extblock.TD
self.header, self.uncles, self.transactions = eb.Header, eb.Uncles, eb.Txs
return nil
}
func (self Block) EncodeRLP(w io.Writer) error {
return rlp.Encode(w, extblock{
Header: self.header,
Txs: self.transactions,
Uncles: self.uncles,
})
}
func (self *StorageBlock) DecodeRLP(s *rlp.Stream) error {
var sb storageblock
if err := s.Decode(&sb); err != nil {
return err
}
self.header, self.uncles, self.transactions, self.Td = sb.Header, sb.Uncles, sb.Txs, sb.TD
return nil
}
func (self StorageBlock) EncodeRLP(w io.Writer) error {
return rlp.Encode(w, storageblock{
Header: self.header,
Txs: self.transactions,
Uncles: self.uncles,
TD: self.Td,
})
}
func (self *Block) Header() *Header {
return self.header
}
@ -148,16 +191,16 @@ func (self *Block) Uncles() []*Header {
func (self *Block) SetUncles(uncleHeaders []*Header) {
self.uncles = uncleHeaders
self.header.UncleHash = crypto.Sha3(common.Encode(uncleHeaders))
self.header.UncleHash = rlpHash(uncleHeaders)
}
func (self *Block) Transactions() Transactions {
return self.transactions
}
func (self *Block) Transaction(hash []byte) *Transaction {
func (self *Block) Transaction(hash common.Hash) *Transaction {
for _, transaction := range self.transactions {
if bytes.Equal(hash, transaction.Hash()) {
if transaction.Hash() == hash {
return transaction
}
}
@ -196,24 +239,23 @@ func (self *Block) RlpDataForStorage() interface{} {
}
// Header accessors (add as you need them)
func (self *Block) Number() *big.Int { return self.header.Number }
func (self *Block) NumberU64() uint64 { return self.header.Number.Uint64() }
func (self *Block) MixDigest() []byte { return self.header.MixDigest }
func (self *Block) Number() *big.Int { return self.header.Number }
func (self *Block) NumberU64() uint64 { return self.header.Number.Uint64() }
func (self *Block) MixDigest() common.Hash { return self.header.MixDigest }
func (self *Block) Nonce() uint64 {
return binary.BigEndian.Uint64(self.header.Nonce)
return binary.BigEndian.Uint64(self.header.Nonce[:])
}
func (self *Block) SetNonce(nonce uint64) {
self.header.setNonce(nonce)
self.header.SetNonce(nonce)
}
func (self *Block) Bloom() []byte { return self.header.Bloom }
func (self *Block) Coinbase() []byte { return self.header.Coinbase }
func (self *Block) Time() int64 { return int64(self.header.Time) }
func (self *Block) GasLimit() *big.Int { return self.header.GasLimit }
func (self *Block) GasUsed() *big.Int { return self.header.GasUsed }
func (self *Block) Root() []byte { return self.header.Root }
func (self *Block) SetRoot(root []byte) { self.header.Root = root }
func (self *Block) Size() common.StorageSize { return common.StorageSize(len(common.Encode(self))) }
func (self *Block) Bloom() Bloom { return self.header.Bloom }
func (self *Block) Coinbase() common.Address { return self.header.Coinbase }
func (self *Block) Time() int64 { return int64(self.header.Time) }
func (self *Block) GasLimit() *big.Int { return self.header.GasLimit }
func (self *Block) GasUsed() *big.Int { return self.header.GasUsed }
func (self *Block) Root() common.Hash { return self.header.Root }
func (self *Block) SetRoot(root common.Hash) { self.header.Root = root }
func (self *Block) GetTransaction(i int) *Transaction {
if len(self.transactions) > i {
return self.transactions[i]
@ -227,20 +269,33 @@ func (self *Block) GetUncle(i int) *Header {
return nil
}
// Implement pow.Block
func (self *Block) Difficulty() *big.Int { return self.header.Difficulty }
func (self *Block) HashNoNonce() []byte { return self.header.HashNoNonce() }
func (self *Block) Size() common.StorageSize {
c := writeCounter(0)
rlp.Encode(&c, self)
return common.StorageSize(c)
}
func (self *Block) Hash() []byte {
if self.HeaderHash != nil {
type writeCounter common.StorageSize
func (c *writeCounter) Write(b []byte) (int, error) {
*c += writeCounter(len(b))
return len(b), nil
}
// Implement pow.Block
func (self *Block) Difficulty() *big.Int { return self.header.Difficulty }
func (self *Block) HashNoNonce() common.Hash { return self.header.HashNoNonce() }
func (self *Block) Hash() common.Hash {
if (self.HeaderHash != common.Hash{}) {
return self.HeaderHash
} else {
return self.header.Hash()
}
}
func (self *Block) ParentHash() []byte {
if self.ParentHeaderHash != nil {
func (self *Block) ParentHash() common.Hash {
if (self.ParentHeaderHash != common.Hash{}) {
return self.ParentHeaderHash
} else {
return self.header.ParentHash

59
core/types/block_test.go
View File

@ -1 +1,60 @@
package types
import (
"bytes"
"math/big"
"reflect"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/rlp"
)
// from bcValidBlockTest.json, "SimpleTx"
func TestBlockEncoding(t *testing.T) {
blockEnc := common.FromHex("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")
var block Block
if err := rlp.DecodeBytes(blockEnc, &block); err != nil {
t.Fatal("decode error: ", err)
}
check := func(f string, got, want interface{}) {
if !reflect.DeepEqual(got, want) {
t.Errorf("%s mismatch: got %v, want %v", f, got, want)
}
}
check("Difficulty", block.Difficulty(), big.NewInt(131072))
check("GasLimit", block.GasLimit(), big.NewInt(3141592))
check("GasUsed", block.GasUsed(), big.NewInt(21000))
check("Coinbase", block.Coinbase(), common.HexToAddress("8888f1f195afa192cfee860698584c030f4c9db1"))
check("MixDigest", block.MixDigest(), common.HexToHash("bd4472abb6659ebe3ee06ee4d7b72a00a9f4d001caca51342001075469aff498"))
check("Root", block.Root(), common.HexToHash("ef1552a40b7165c3cd773806b9e0c165b75356e0314bf0706f279c729f51e017"))
check("Hash", block.Hash(), common.HexToHash("0a5843ac1cb04865017cb35a57b50b07084e5fcee39b5acadade33149f4fff9e"))
check("Nonce", block.Nonce(), uint64(0xa13a5a8c8f2bb1c4))
check("Time", block.Time(), int64(1426516743))
check("Size", block.Size(), common.StorageSize(len(blockEnc)))
to := common.HexToAddress("095e7baea6a6c7c4c2dfeb977efac326af552d87")
check("Transactions", block.Transactions(), Transactions{
{
Payload: []byte{},
Amount: big.NewInt(10),
Price: big.NewInt(10),
GasLimit: big.NewInt(50000),
AccountNonce: 0,
V: 27,
R: common.FromHex("9bea4c4daac7c7c52e093e6a4c35dbbcf8856f1af7b059ba20253e70848d094f"),
S: common.FromHex("8a8fae537ce25ed8cb5af9adac3f141af69bd515bd2ba031522df09b97dd72b1"),
Recipient: &to,
},
})
ourBlockEnc, err := rlp.EncodeToBytes(&block)
if err != nil {
t.Fatal("encode error: ", err)
}
if !bytes.Equal(ourBlockEnc, blockEnc) {
t.Errorf("encoded block mismatch:\ngot: %x\nwant: %x", ourBlockEnc, blockEnc)
}
}

28
core/types/bloom9.go
View File

@ -3,32 +3,32 @@ package types
import (
"math/big"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/state"
)
func CreateBloom(receipts Receipts) []byte {
func CreateBloom(receipts Receipts) Bloom {
bin := new(big.Int)
for _, receipt := range receipts {
bin.Or(bin, LogsBloom(receipt.logs))
}
return common.LeftPadBytes(bin.Bytes(), 256)
return BytesToBloom(bin.Bytes())
}
func LogsBloom(logs state.Logs) *big.Int {
bin := new(big.Int)
for _, log := range logs {
data := make([][]byte, len(log.Topics())+1)
data[0] = log.Address()
data := make([]common.Hash, len(log.Topics()))
bin.Or(bin, bloom9(log.Address().Bytes()))
for i, topic := range log.Topics() {
data[i+1] = topic
data[i] = topic
}
for _, b := range data {
bin.Or(bin, common.BigD(bloom9(crypto.Sha3(b)).Bytes()))
bin.Or(bin, bloom9(b[:]))
}
}
@ -36,20 +36,24 @@ func LogsBloom(logs state.Logs) *big.Int {
}
func bloom9(b []byte) *big.Int {
b = crypto.Sha3(b[:])
r := new(big.Int)
for i := 0; i < 16; i += 2 {
for i := 0; i < 6; i += 2 {
t := big.NewInt(1)
b := uint(b[i+1]) + 1024*(uint(b[i])&1)
b := (uint(b[i+1]) + (uint(b[i]) << 8)) & 2047
r.Or(r, t.Lsh(t, b))
}
return r
}
func BloomLookup(bin, topic []byte) bool {
bloom := common.BigD(bin)
cmp := bloom9(crypto.Sha3(topic))
var Bloom9 = bloom9
func BloomLookup(bin Bloom, topic common.Hash) bool {
bloom := bin.Big()
cmp := bloom9(topic[:])
return bloom.And(bloom, cmp).Cmp(cmp) == 0
}

29
core/types/common.go
View File

@ -3,9 +3,38 @@ package types
import (
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/state"
"fmt"
)
type BlockProcessor interface {
Process(*Block) (*big.Int, state.Logs, error)
}
const bloomLength = 256
type Bloom [bloomLength]byte
func BytesToBloom(b []byte) Bloom {
var bloom Bloom
bloom.SetBytes(b)
return bloom
}
func (b *Bloom) SetBytes(d []byte) {
if len(b) < len(d) {
panic(fmt.Sprintf("bloom bytes too big %d %d", len(b), len(d)))
}
copy(b[bloomLength-len(d):], d)
}
func (b Bloom) Big() *big.Int {
return common.Bytes2Big(b[:])
}
func (b Bloom) Bytes() []byte {
return b[:]
}

10
core/types/derive_sha.go
View File

@ -1,8 +1,9 @@
package types
import (
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/trie"
)
@ -11,12 +12,13 @@ type DerivableList interface {
GetRlp(i int) []byte
}
func DeriveSha(list DerivableList) []byte {
func DeriveSha(list DerivableList) common.Hash {
db, _ := ethdb.NewMemDatabase()
trie := trie.New(nil, db)
for i := 0; i < list.Len(); i++ {
trie.Update(common.Encode(i), list.GetRlp(i))
key, _ := rlp.EncodeToBytes(i)
trie.Update(key, list.GetRlp(i))
}
return trie.Root()
return common.BytesToHash(trie.Root())
}

38
core/types/receipt.go
View File

@ -3,16 +3,18 @@ package types
import (
"bytes"
"fmt"
"io"
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/state"
)
type Receipt struct {
PostState []byte
CumulativeGasUsed *big.Int
Bloom []byte
Bloom Bloom
logs state.Logs
}
@ -20,34 +22,26 @@ func NewReceipt(root []byte, cumalativeGasUsed *big.Int) *Receipt {
return &Receipt{PostState: common.CopyBytes(root), CumulativeGasUsed: new(big.Int).Set(cumalativeGasUsed)}
}
func NewRecieptFromValue(val *common.Value) *Receipt {
r := &Receipt{}
r.RlpValueDecode(val)
return r
}
func (self *Receipt) SetLogs(logs state.Logs) {
self.logs = logs
}
func (self *Receipt) RlpValueDecode(decoder *common.Value) {
self.PostState = decoder.Get(0).Bytes()
self.CumulativeGasUsed = decoder.Get(1).BigInt()
self.Bloom = decoder.Get(2).Bytes()
it := decoder.Get(3).NewIterator()
for it.Next() {
self.logs = append(self.logs, state.NewLogFromValue(it.Value()))
}
func (self *Receipt) EncodeRLP(w io.Writer) error {
return rlp.Encode(w, []interface{}{self.PostState, self.CumulativeGasUsed, self.Bloom, self.logs})
}
/*
func (self *Receipt) RlpData() interface{} {
return []interface{}{self.PostState, self.CumulativeGasUsed, self.Bloom, self.logs.RlpData()}
}
*/
func (self *Receipt) RlpEncode() []byte {
return common.Encode(self.RlpData())
bytes, err := rlp.EncodeToBytes(self)
if err != nil {
fmt.Println("TMP -- RECEIPT ENCODE ERROR", err)
}
return bytes
}
func (self *Receipt) Cmp(other *Receipt) bool {
@ -64,6 +58,7 @@ func (self *Receipt) String() string {
type Receipts []*Receipt
/*
func (self Receipts) RlpData() interface{} {
data := make([]interface{}, len(self))
for i, receipt := range self {
@ -72,9 +67,14 @@ func (self Receipts) RlpData() interface{} {
return data
}
*/
func (self Receipts) RlpEncode() []byte {
return common.Encode(self.RlpData())
bytes, err := rlp.EncodeToBytes(self)
if err != nil {
fmt.Println("TMP -- RECEIPTS ENCODE ERROR", err)
}
return bytes
}
func (self Receipts) Len() int { return len(self) }

154
core/types/transaction.go
View File

@ -1,14 +1,14 @@
package types
import (
"bytes"
"crypto/ecdsa"
"errors"
"fmt"
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/crypto/secp256k1"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/rlp"
)
@ -20,39 +20,34 @@ type Transaction struct {
AccountNonce uint64
Price *big.Int
GasLimit *big.Int
Recipient []byte
Recipient *common.Address // nil means contract creation
Amount *big.Int
Payload []byte
V byte
R, S []byte
}
func NewContractCreationTx(Amount, gasAmount, price *big.Int, data []byte) *Transaction {
return NewTransactionMessage(nil, Amount, gasAmount, price, data)
func NewContractCreationTx(amount, gasLimit, gasPrice *big.Int, data []byte) *Transaction {
return &Transaction{Recipient: nil, Amount: amount, GasLimit: gasLimit, Price: gasPrice, Payload: data}
}
func NewTransactionMessage(to []byte, Amount, gasAmount, price *big.Int, data []byte) *Transaction {
return &Transaction{Recipient: to, Amount: Amount, Price: price, GasLimit: gasAmount, Payload: data}
func NewTransactionMessage(to common.Address, amount, gasAmount, gasPrice *big.Int, data []byte) *Transaction {
return &Transaction{Recipient: &to, Amount: amount, GasLimit: gasAmount, Price: gasPrice, Payload: data}
}
func NewTransactionFromBytes(data []byte) *Transaction {
tx := &Transaction{}
tx.RlpDecode(data)
// TODO: remove this function if possible. callers would
// much better off decoding into transaction directly.
// it's not that hard.
tx := new(Transaction)
rlp.DecodeBytes(data, tx)
return tx
}
func NewTransactionFromAmount(val *common.Value) *Transaction {
tx := &Transaction{}
tx.RlpValueDecode(val)
return tx
}
func (tx *Transaction) Hash() []byte {
data := []interface{}{tx.AccountNonce, tx.Price, tx.GasLimit, tx.Recipient, tx.Amount, tx.Payload}
return crypto.Sha3(common.Encode(data))
func (tx *Transaction) Hash() common.Hash {
return rlpHash([]interface{}{
tx.AccountNonce, tx.Price, tx.GasLimit, tx.Recipient, tx.Amount, tx.Payload,
})
}
func (self *Transaction) Data() []byte {
@ -79,68 +74,47 @@ func (self *Transaction) SetNonce(AccountNonce uint64) {
self.AccountNonce = AccountNonce
}
func (self *Transaction) From() []byte {
return self.sender()
func (self *Transaction) From() (common.Address, error) {
pubkey := self.PublicKey()
if len(pubkey) == 0 || pubkey[0] != 4 {
return common.Address{}, errors.New("invalid public key")
}
var addr common.Address
copy(addr[:], crypto.Sha3(pubkey[1:])[12:])
return addr, nil
}
func (self *Transaction) To() []byte {
return self.Recipient
// To returns the recipient of the transaction.
// If transaction is a contract creation (with no recipient address)
// To returns nil.
func (tx *Transaction) To() *common.Address {
return tx.Recipient
}
func (tx *Transaction) Curve() (v byte, r []byte, s []byte) {
v = byte(tx.V)
r = common.LeftPadBytes(tx.R, 32)
s = common.LeftPadBytes(tx.S, 32)
return
}
func (tx *Transaction) Signature(key []byte) []byte {
hash := tx.Hash()
sig, _ := secp256k1.Sign(hash, key)
sig, _ := secp256k1.Sign(hash[:], key)
return sig
}
func (tx *Transaction) PublicKey() []byte {
hash := tx.Hash()
v, r, s := tx.Curve()
sig := append(r, s...)
sig = append(sig, v-27)
//pubkey := crypto.Ecrecover(append(hash, sig...))
pubkey, _ := secp256k1.RecoverPubkey(hash, sig)
pubkey, _ := secp256k1.RecoverPubkey(hash[:], sig)
return pubkey
}
func (tx *Transaction) sender() []byte {
pubkey := tx.PublicKey()
// Validate the returned key.
// Return nil if public key isn't in full format
if len(pubkey) == 0 || pubkey[0] != 4 {
return nil
}
return crypto.Sha3(pubkey[1:])[12:]
}
// TODO: deprecate after new accounts & key stores are integrated
func (tx *Transaction) Sign(privk []byte) error {
sig := tx.Signature(privk)
tx.R = sig[:32]
tx.S = sig[32:64]
tx.V = sig[64] + 27
return nil
}
func (tx *Transaction) SetSignatureValues(sig []byte) error {
tx.R = sig[:32]
tx.S = sig[32:64]
@ -148,42 +122,40 @@ func (tx *Transaction) SetSignatureValues(sig []byte) error {
return nil
}
func (tx *Transaction) SignECDSA(key *ecdsa.PrivateKey) error {
return tx.Sign(crypto.FromECDSA(key))
func (tx *Transaction) SignECDSA(prv *ecdsa.PrivateKey) error {
h := tx.Hash()
sig, err := crypto.Sign(h[:], prv)
if err != nil {
return err
}
tx.SetSignatureValues(sig)
return nil
}
// TODO: remove
func (tx *Transaction) RlpData() interface{} {
data := []interface{}{tx.AccountNonce, tx.Price, tx.GasLimit, tx.Recipient, tx.Amount, tx.Payload}
return append(data, tx.V, new(big.Int).SetBytes(tx.R).Bytes(), new(big.Int).SetBytes(tx.S).Bytes())
}
func (tx *Transaction) RlpEncode() []byte {
return common.Encode(tx)
}
func (tx *Transaction) RlpDecode(data []byte) {
rlp.Decode(bytes.NewReader(data), tx)
}
func (tx *Transaction) RlpValueDecode(decoder *common.Value) {
tx.AccountNonce = decoder.Get(0).Uint()
tx.Price = decoder.Get(1).BigInt()
tx.GasLimit = decoder.Get(2).BigInt()
tx.Recipient = decoder.Get(3).Bytes()
tx.Amount = decoder.Get(4).BigInt()
tx.Payload = decoder.Get(5).Bytes()
tx.V = decoder.Get(6).Byte()
tx.R = decoder.Get(7).Bytes()
tx.S = decoder.Get(8).Bytes()
}
func (tx *Transaction) String() string {
var from, to string
if f, err := tx.From(); err != nil {
from = "[invalid sender]"
} else {
from = fmt.Sprintf("%x", f[:])
}
if t := tx.To(); t == nil {
to = "[contract creation]"
} else {
to = fmt.Sprintf("%x", t[:])
}
enc, _ := rlp.EncodeToBytes(tx)
return fmt.Sprintf(`
TX(%x)
Contract: %v
From: %x
To: %x
From: %s
To: %s
Nonce: %v
GasPrice: %v
GasLimit %v
@ -196,8 +168,8 @@ func (tx *Transaction) String() string {
`,
tx.Hash(),
len(tx.Recipient) == 0,
tx.From(),
tx.To(),
from,
to,
tx.AccountNonce,
tx.Price,
tx.GasLimit,
@ -206,13 +178,14 @@ func (tx *Transaction) String() string {
tx.V,
tx.R,
tx.S,
common.Encode(tx),
enc,
)
}
// Transaction slice type for basic sorting
type Transactions []*Transaction
// TODO: remove
func (self Transactions) RlpData() interface{} {
// Marshal the transactions of this block
enc := make([]interface{}, len(self))
@ -223,9 +196,14 @@ func (self Transactions) RlpData() interface{} {
return enc
}
func (s Transactions) Len() int { return len(s) }
func (s Transactions) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
func (s Transactions) GetRlp(i int) []byte { return common.Rlp(s[i]) }
func (s Transactions) Len() int { return len(s) }
func (s Transactions) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
func (s Transactions) GetRlp(i int) []byte {
enc, _ := rlp.EncodeToBytes(s[i])
return enc
}
type TxByNonce struct{ Transactions }

57
core/types/transaction_test.go
View File

@ -1 +1,58 @@
package types
import (
"bytes"
"math/big"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/rlp"
)
// The values in those tests are from the Transaction Tests
// at github.com/ethereum/tests.
var (
emptyTx = NewTransactionMessage(
common.HexToAddress("095e7baea6a6c7c4c2dfeb977efac326af552d87"),
big.NewInt(0), big.NewInt(0), big.NewInt(0),
nil,
)
rightvrsRecipient = common.HexToAddress("b94f5374fce5edbc8e2a8697c15331677e6ebf0b")
rightvrsTx = &Transaction{
Recipient: &rightvrsRecipient,
AccountNonce: 3,
Price: big.NewInt(1),
GasLimit: big.NewInt(2000),
Amount: big.NewInt(10),
Payload: common.FromHex("5544"),
V: 28,
R: common.FromHex("98ff921201554726367d2be8c804a7ff89ccf285ebc57dff8ae4c44b9c19ac4a"),
S: common.FromHex("8887321be575c8095f789dd4c743dfe42c1820f9231f98a962b210e3ac2452a3"),
}
)
func TestTransactionHash(t *testing.T) {
// "EmptyTransaction"
if emptyTx.Hash() != common.HexToHash("c775b99e7ad12f50d819fcd602390467e28141316969f4b57f0626f74fe3b386") {
t.Errorf("empty transaction hash mismatch, got %x", emptyTx.Hash())
}
// "RightVRSTest"
if rightvrsTx.Hash() != common.HexToHash("fe7a79529ed5f7c3375d06b26b186a8644e0e16c373d7a12be41c62d6042b77a") {
t.Errorf("RightVRS transaction hash mismatch, got %x", rightvrsTx.Hash())
}
}
func TestTransactionEncode(t *testing.T) {
// "RightVRSTest"
txb, err := rlp.EncodeToBytes(rightvrsTx)
if err != nil {
t.Fatalf("encode error: %v", err)
}
should := common.FromHex("f86103018207d094b94f5374fce5edbc8e2a8697c15331677e6ebf0b0a8255441ca098ff921201554726367d2be8c804a7ff89ccf285ebc57dff8ae4c44b9c19ac4aa08887321be575c8095f789dd4c743dfe42c1820f9231f98a962b210e3ac2452a3")
if !bytes.Equal(txb, should) {
t.Errorf("encoded RLP mismatch, got %x", txb)
}
}

42
core/vm_env.go
View File

@ -3,6 +3,7 @@ package core
import (
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/state"
"github.com/ethereum/go-ethereum/vm"
@ -27,24 +28,24 @@ func NewEnv(state *state.StateDB, chain *ChainManager, msg Message, block *types
}
}
func (self *VMEnv) Origin() []byte { return self.msg.From() }
func (self *VMEnv) BlockNumber() *big.Int { return self.block.Number() }
func (self *VMEnv) Coinbase() []byte { return self.block.Coinbase() }
func (self *VMEnv) Time() int64 { return self.block.Time() }
func (self *VMEnv) Difficulty() *big.Int { return self.block.Difficulty() }
func (self *VMEnv) GasLimit() *big.Int { return self.block.GasLimit() }
func (self *VMEnv) Value() *big.Int { return self.msg.Value() }
func (self *VMEnv) State() *state.StateDB { return self.state }
func (self *VMEnv) Depth() int { return self.depth }
func (self *VMEnv) SetDepth(i int) { self.depth = i }
func (self *VMEnv) VmType() vm.Type { return self.typ }
func (self *VMEnv) SetVmType(t vm.Type) { self.typ = t }
func (self *VMEnv) GetHash(n uint64) []byte {
func (self *VMEnv) Origin() common.Address { f, _ := self.msg.From(); return f }
func (self *VMEnv) BlockNumber() *big.Int { return self.block.Number() }
func (self *VMEnv) Coinbase() common.Address { return self.block.Coinbase() }
func (self *VMEnv) Time() int64 { return self.block.Time() }
func (self *VMEnv) Difficulty() *big.Int { return self.block.Difficulty() }
func (self *VMEnv) GasLimit() *big.Int { return self.block.GasLimit() }
func (self *VMEnv) Value() *big.Int { return self.msg.Value() }
func (self *VMEnv) State() *state.StateDB { return self.state }
func (self *VMEnv) Depth() int { return self.depth }
func (self *VMEnv) SetDepth(i int) { self.depth = i }
func (self *VMEnv) VmType() vm.Type { return self.typ }
func (self *VMEnv) SetVmType(t vm.Type) { self.typ = t }
func (self *VMEnv) GetHash(n uint64) common.Hash {
if block := self.chain.GetBlockByNumber(n); block != nil {
return block.Hash()
}
return nil
return common.Hash{}
}
func (self *VMEnv) AddLog(log state.Log) {
self.state.AddLog(log)
@ -53,20 +54,21 @@ func (self *VMEnv) Transfer(from, to vm.Account, amount *big.Int) error {
return vm.Transfer(from, to, amount)
}
func (self *VMEnv) vm(addr, data []byte, gas, price, value *big.Int) *Execution {
func (self *VMEnv) vm(addr *common.Address, data []byte, gas, price, value *big.Int) *Execution {
return NewExecution(self, addr, data, gas, price, value)
}
func (self *VMEnv) Call(me vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) {
exe := self.vm(addr, data, gas, price, value)
func (self *VMEnv) Call(me vm.ContextRef, addr common.Address, data []byte, gas, price, value *big.Int) ([]byte, error) {
exe := self.vm(&addr, data, gas, price, value)
return exe.Call(addr, me)
}
func (self *VMEnv) CallCode(me vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) {
exe := self.vm(me.Address(), data, gas, price, value)
func (self *VMEnv) CallCode(me vm.ContextRef, addr common.Address, data []byte, gas, price, value *big.Int) ([]byte, error) {
maddr := me.Address()
exe := self.vm(&maddr, data, gas, price, value)
return exe.Call(addr, me)
}
func (self *VMEnv) Create(me vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error, vm.ContextRef) {
func (self *VMEnv) Create(me vm.ContextRef, addr *common.Address, data []byte, gas, price, value *big.Int) ([]byte, error, vm.ContextRef) {
exe := self.vm(addr, data, gas, price, value)
return exe.Create(me)
}

18
crypto/crypto.go
View File

@ -16,10 +16,11 @@ import (
"errors"
"code.google.com/p/go-uuid/uuid"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto/ecies"
"github.com/ethereum/go-ethereum/crypto/secp256k1"
"github.com/ethereum/go-ethereum/crypto/sha3"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/rlp"
"golang.org/x/crypto/pbkdf2"
"golang.org/x/crypto/ripemd160"
)
@ -37,9 +38,20 @@ func Sha3(data ...[]byte) []byte {
return d.Sum(nil)
}
func Sha3Hash(data ...[]byte) (h common.Hash) {
d := sha3.NewKeccak256()
for _, b := range data {
d.Write(b)
}
d.Sum(h[:0])
return h
}
// Creates an ethereum address given the bytes and the nonce
func CreateAddress(b []byte, nonce uint64) []byte {
return Sha3(common.NewValue([]interface{}{b, nonce}).Encode())[12:]
func CreateAddress(b common.Address, nonce uint64) common.Address {
data, _ := rlp.EncodeToBytes([]interface{}{b, nonce})
return common.BytesToAddress(Sha3(data)[12:])
//return Sha3(common.NewValue([]interface{}{b, nonce}).Encode())[12:]
}
func Sha256(data []byte) []byte {

8
crypto/crypto_test.go
View File

@ -7,8 +7,8 @@ import (
"testing"
"time"
"github.com/ethereum/go-ethereum/crypto/secp256k1"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto/secp256k1"
)
// These tests are sanity checks.
@ -21,6 +21,12 @@ func TestSha3(t *testing.T) {
checkhash(t, "Sha3-256", func(in []byte) []byte { return Sha3(in) }, msg, exp)
}
func TestSha3Hash(t *testing.T) {
msg := []byte("abc")
exp, _ := hex.DecodeString("4e03657aea45a94fc7d47ba826c8d667c0d1e6e33a64a036ec44f58fa12d6c45")
checkhash(t, "Sha3-256-array", func(in []byte) []byte { h := Sha3Hash(in); return h[:] }, msg, exp)
}
func TestSha256(t *testing.T) {
msg := []byte("abc")
exp, _ := hex.DecodeString("ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad")

10
crypto/keypair.go
View File

@ -3,8 +3,8 @@ package crypto
import (
"strings"
"github.com/ethereum/go-ethereum/crypto/secp256k1"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto/secp256k1"
)
type KeyPair struct {
@ -48,11 +48,3 @@ func (k *KeyPair) Mnemonic() string {
func (k *KeyPair) AsStrings() (string, string, string, string) {
return k.Mnemonic(), common.Bytes2Hex(k.Address()), common.Bytes2Hex(k.PrivateKey), common.Bytes2Hex(k.PublicKey)
}
func (k *KeyPair) RlpEncode() []byte {
return k.RlpValue().Encode()
}
func (k *KeyPair) RlpValue() *common.Value {
return common.NewValue(k.PrivateKey)
}

9
eth/backend.go
View File

@ -195,7 +195,8 @@ func New(config *Config) (*Ethereum, error) {
hasBlock := eth.chainManager.HasBlock
insertChain := eth.chainManager.InsertChain
eth.blockPool = blockpool.New(hasBlock, insertChain, eth.pow.Verify)
td := eth.chainManager.Td()
eth.blockPool = blockpool.New(hasBlock, insertChain, eth.pow.Verify, eth.EventMux(), td)
netprv, err := config.nodeKey()
if err != nil {
@ -295,7 +296,7 @@ func (s *Ethereum) StartMining() error {
servlogger.Errorf("Cannot start mining without coinbase: %v\n", err)
return fmt.Errorf("no coinbase: %v", err)
}
s.miner.Start(cb)
s.miner.Start(common.BytesToAddress(cb))
return nil
}
@ -405,7 +406,7 @@ func (self *Ethereum) txBroadcastLoop() {
// automatically stops if unsubscribe
for obj := range self.txSub.Chan() {
event := obj.(core.TxPreEvent)
self.net.Broadcast("eth", TxMsg, event.Tx.RlpData())
self.net.Broadcast("eth", TxMsg, []*types.Transaction{event.Tx})
}
}
@ -414,7 +415,7 @@ func (self *Ethereum) blockBroadcastLoop() {
for obj := range self.blockSub.Chan() {
switch ev := obj.(type) {
case core.NewMinedBlockEvent:
self.net.Broadcast("eth", NewBlockMsg, ev.Block.RlpData(), ev.Block.Td)
self.net.Broadcast("eth", NewBlockMsg, []interface{}{ev.Block, ev.Block.Td})
}
}
}

154
eth/protocol.go
View File

@ -1,7 +1,6 @@
package eth
import (
"bytes"
"fmt"
"math/big"
@ -43,6 +42,7 @@ const (
ErrGenesisBlockMismatch
ErrNoStatusMsg
ErrExtraStatusMsg
ErrSuspendedPeer
)
var errorToString = map[int]string{
@ -54,6 +54,7 @@ var errorToString = map[int]string{
ErrGenesisBlockMismatch: "Genesis block mismatch",
ErrNoStatusMsg: "No status message",
ErrExtraStatusMsg: "Extra status message",
ErrSuspendedPeer: "Suspended peer",
}
// ethProtocol represents the ethereum wire protocol
@ -78,29 +79,37 @@ type txPool interface {
}
type chainManager interface {
GetBlockHashesFromHash(hash []byte, amount uint64) (hashes [][]byte)
GetBlock(hash []byte) (block *types.Block)
Status() (td *big.Int, currentBlock []byte, genesisBlock []byte)
GetBlockHashesFromHash(hash common.Hash, amount uint64) (hashes []common.Hash)
GetBlock(hash common.Hash) (block *types.Block)
Status() (td *big.Int, currentBlock common.Hash, genesisBlock common.Hash)
}
type blockPool interface {
AddBlockHashes(next func() ([]byte, bool), peerId string)
AddBlockHashes(next func() (common.Hash, bool), peerId string)
AddBlock(block *types.Block, peerId string)
AddPeer(td *big.Int, currentBlock []byte, peerId string, requestHashes func([]byte) error, requestBlocks func([][]byte) error, peerError func(*errs.Error)) (best bool)
AddPeer(td *big.Int, currentBlock common.Hash, peerId string, requestHashes func(common.Hash) error, requestBlocks func([]common.Hash) error, peerError func(*errs.Error)) (best bool, suspended bool)
RemovePeer(peerId string)
}
// message structs used for rlp decoding
// message structs used for RLP serialization
type newBlockMsgData struct {
Block *types.Block
TD *big.Int
}
type getBlockHashesMsgData struct {
Hash []byte
Hash common.Hash
Amount uint64
}
type statusMsgData struct {
ProtocolVersion uint32
NetworkId uint32
TD *big.Int
CurrentBlock common.Hash
GenesisBlock common.Hash
}
// main entrypoint, wrappers starting a server running the eth protocol
// use this constructor to attach the protocol ("class") to server caps
// the Dev p2p layer then runs the protocol instance on each peer
@ -133,18 +142,25 @@ func runEthProtocol(protocolVersion, networkId int, txPool txPool, chainManager
},
id: fmt.Sprintf("%x", id[:8]),
}
err = self.handleStatus()
if err == nil {
self.propagateTxs()
for {
err = self.handle()
if err != nil {
self.blockPool.RemovePeer(self.id)
break
}
// handshake.
if err := self.handleStatus(); err != nil {
return err
}
defer self.blockPool.RemovePeer(self.id)
// propagate existing transactions. new transactions appearing
// after this will be sent via broadcasts.
if err := p2p.Send(rw, TxMsg, txPool.GetTransactions()); err != nil {
return err
}
// main loop. handle incoming messages.
for {
if err := self.handle(); err != nil {
return err
}
}
return
}
func (self *ethProtocol) handle() error {
@ -171,7 +187,7 @@ func (self *ethProtocol) handle() error {
}
for _, tx := range txs {
jsonlogger.LogJson(&logger.EthTxReceived{
TxHash: common.Bytes2Hex(tx.Hash()),
TxHash: tx.Hash().Hex(),
RemoteId: self.peer.ID().String(),
})
}
@ -187,7 +203,7 @@ func (self *ethProtocol) handle() error {
request.Amount = maxHashes
}
hashes := self.chainManager.GetBlockHashesFromHash(request.Hash, request.Amount)
return p2p.EncodeMsg(self.rw, BlockHashesMsg, common.ByteSliceToInterface(hashes)...)
return p2p.Send(self.rw, BlockHashesMsg, hashes)
case BlockHashesMsg:
msgStream := rlp.NewStream(msg.Payload)
@ -196,14 +212,15 @@ func (self *ethProtocol) handle() error {
}
var i int
iter := func() (hash []byte, ok bool) {
hash, err := msgStream.Bytes()
iter := func() (hash common.Hash, ok bool) {
err := msgStream.Decode(&hash)
if err == rlp.EOL {
return nil, false
return common.Hash{}, false
} else if err != nil {
self.protoError(ErrDecode, "msg %v: after %v hashes : %v", msg, i, err)
return nil, false
return common.Hash{}, false
}
i++
return hash, true
}
@ -215,18 +232,18 @@ func (self *ethProtocol) handle() error {
return err
}
var blocks []interface{}
var blocks []*types.Block
var i int
for {
i++
var hash []byte
if err := msgStream.Decode(&hash); err != nil {
if err == rlp.EOL {
break
} else {
return self.protoError(ErrDecode, "msg %v: %v", msg, err)
}
var hash common.Hash
err := msgStream.Decode(&hash)
if err == rlp.EOL {
break
} else if err != nil {
return self.protoError(ErrDecode, "msg %v: %v", msg, err)
}
block := self.chainManager.GetBlock(hash)
if block != nil {
blocks = append(blocks, block)
@ -235,7 +252,7 @@ func (self *ethProtocol) handle() error {
break
}
}
return p2p.EncodeMsg(self.rw, BlocksMsg, blocks...)
return p2p.Send(self.rw, BlocksMsg, blocks)
case BlocksMsg:
msgStream := rlp.NewStream(msg.Payload)
@ -263,16 +280,16 @@ func (self *ethProtocol) handle() error {
_, chainHead, _ := self.chainManager.Status()
jsonlogger.LogJson(&logger.EthChainReceivedNewBlock{
BlockHash: common.Bytes2Hex(hash),
BlockHash: hash.Hex(),
BlockNumber: request.Block.Number(), // this surely must be zero
ChainHeadHash: common.Bytes2Hex(chainHead),
BlockPrevHash: common.Bytes2Hex(request.Block.ParentHash()),
ChainHeadHash: chainHead.Hex(),
BlockPrevHash: request.Block.ParentHash().Hex(),
RemoteId: self.peer.ID().String(),
})
// to simplify backend interface adding a new block
// uses AddPeer followed by AddBlock only if peer is the best peer
// (or selected as new best peer)
if self.blockPool.AddPeer(request.TD, hash, self.id, self.requestBlockHashes, self.requestBlocks, self.protoErrorDisconnect) {
if best, _ := self.blockPool.AddPeer(request.TD, hash, self.id, self.requestBlockHashes, self.requestBlocks, self.protoErrorDisconnect); best {
self.blockPool.AddBlock(request.Block, self.id)
}
@ -282,29 +299,8 @@ func (self *ethProtocol) handle() error {
return nil
}
type statusMsgData struct {
ProtocolVersion uint32
NetworkId uint32
TD *big.Int
CurrentBlock []byte
GenesisBlock []byte
}
func (self *ethProtocol) statusMsg() p2p.Msg {
td, currentBlock, genesisBlock := self.chainManager.Status()
return p2p.NewMsg(StatusMsg,
uint32(self.protocolVersion),
uint32(self.networkId),
td,
currentBlock,
genesisBlock,
)
}
func (self *ethProtocol) handleStatus() error {
// send precanned status message
if err := self.rw.WriteMsg(self.statusMsg()); err != nil {
if err := self.sendStatus(); err != nil {
return err
}
@ -313,11 +309,9 @@ func (self *ethProtocol) handleStatus() error {
if err != nil {
return err
}
if msg.Code != StatusMsg {
return self.protoError(ErrNoStatusMsg, "first msg has code %x (!= %x)", msg.Code, StatusMsg)
}
if msg.Size > ProtocolMaxMsgSize {
return self.protoError(ErrMsgTooLarge, "%v > %v", msg.Size, ProtocolMaxMsgSize)
}
@ -329,7 +323,7 @@ func (self *ethProtocol) handleStatus() error {
_, _, genesisBlock := self.chainManager.Status()
if !bytes.Equal(status.GenesisBlock, genesisBlock) {
if status.GenesisBlock != genesisBlock {
return self.protoError(ErrGenesisBlockMismatch, "%x (!= %x)", status.GenesisBlock, genesisBlock)
}
@ -341,21 +335,24 @@ func (self *ethProtocol) handleStatus() error {
return self.protoError(ErrProtocolVersionMismatch, "%d (!= %d)", status.ProtocolVersion, self.protocolVersion)
}
self.peer.Infof("Peer is [eth] capable (%d/%d). TD=%v H=%x\n", status.ProtocolVersion, status.NetworkId, status.TD, status.CurrentBlock[:4])
_, suspended := self.blockPool.AddPeer(status.TD, status.CurrentBlock, self.id, self.requestBlockHashes, self.requestBlocks, self.protoErrorDisconnect)
if suspended {
return self.protoError(ErrSuspendedPeer, "")
}
self.blockPool.AddPeer(status.TD, status.CurrentBlock, self.id, self.requestBlockHashes, self.requestBlocks, self.protoErrorDisconnect)
self.peer.Infof("Peer is [eth] capable (%d/%d). TD=%v H=%x\n", status.ProtocolVersion, status.NetworkId, status.TD, status.CurrentBlock[:4])
return nil
}
func (self *ethProtocol) requestBlockHashes(from []byte) error {
func (self *ethProtocol) requestBlockHashes(from common.Hash) error {
self.peer.Debugf("fetching hashes (%d) %x...\n", maxHashes, from[0:4])
return p2p.EncodeMsg(self.rw, GetBlockHashesMsg, interface{}(from), uint64(maxHashes))
return p2p.Send(self.rw, GetBlockHashesMsg, getBlockHashesMsgData{from, maxHashes})
}
func (self *ethProtocol) requestBlocks(hashes [][]byte) error {
func (self *ethProtocol) requestBlocks(hashes []common.Hash) error {
self.peer.Debugf("fetching %v blocks", len(hashes))
return p2p.EncodeMsg(self.rw, GetBlocksMsg, common.ByteSliceToInterface(hashes)...)
return p2p.Send(self.rw, GetBlocksMsg, hashes)
}
func (self *ethProtocol) protoError(code int, format string, params ...interface{}) (err *errs.Error) {
@ -364,19 +361,20 @@ func (self *ethProtocol) protoError(code int, format string, params ...interface
return
}
func (self *ethProtocol) sendStatus() error {
td, currentBlock, genesisBlock := self.chainManager.Status()
return p2p.Send(self.rw, StatusMsg, &statusMsgData{
ProtocolVersion: uint32(self.protocolVersion),
NetworkId: uint32(self.networkId),
TD: td,
CurrentBlock: currentBlock,
GenesisBlock: genesisBlock,
})
}
func (self *ethProtocol) protoErrorDisconnect(err *errs.Error) {
err.Log(self.peer.Logger)
if err.Fatal() {
self.peer.Disconnect(p2p.DiscSubprotocolError)
}
}
func (self *ethProtocol) propagateTxs() {
transactions := self.txPool.GetTransactions()
iface := make([]interface{}, len(transactions))
for i, transaction := range transactions {
iface[i] = transaction
}
self.rw.WriteMsg(p2p.NewMsg(TxMsg, iface...))
}

198
eth/protocol_test.go
View File

@ -1,8 +1,6 @@
package eth
import (
"bytes"
"io"
"log"
"math/big"
"os"
@ -29,62 +27,24 @@ func logInit() {
}
}
type testMsgReadWriter struct {
in chan p2p.Msg
out []p2p.Msg
}
func (self *testMsgReadWriter) In(msg p2p.Msg) {
self.in <- msg
}
func (self *testMsgReadWriter) Out() (msg p2p.Msg, ok bool) {
if len(self.out) > 0 {
msg = self.out[0]
self.out = self.out[1:]
ok = true
}
return
}
func (self *testMsgReadWriter) WriteMsg(msg p2p.Msg) error {
self.out = append(self.out, msg)
return nil
}
func (self *testMsgReadWriter) ReadMsg() (p2p.Msg, error) {
msg, ok := <-self.in
if !ok {
return msg, io.EOF
}
return msg, nil
}
type testTxPool struct {
getTransactions func() []*types.Transaction
addTransactions func(txs []*types.Transaction)
}
type testChainManager struct {
getBlockHashes func(hash []byte, amount uint64) (hashes [][]byte)
getBlock func(hash []byte) *types.Block
status func() (td *big.Int, currentBlock []byte, genesisBlock []byte)
getBlockHashes func(hash common.Hash, amount uint64) (hashes []common.Hash)
getBlock func(hash common.Hash) *types.Block
status func() (td *big.Int, currentBlock common.Hash, genesisBlock common.Hash)
}
type testBlockPool struct {
addBlockHashes func(next func() ([]byte, bool), peerId string)
addBlockHashes func(next func() (common.Hash, bool), peerId string)
addBlock func(block *types.Block, peerId string) (err error)
addPeer func(td *big.Int, currentBlock []byte, peerId string, requestHashes func([]byte) error, requestBlocks func([][]byte) error, peerError func(*errs.Error)) (best bool)
addPeer func(td *big.Int, currentBlock common.Hash, peerId string, requestHashes func(common.Hash) error, requestBlocks func([]common.Hash) error, peerError func(*errs.Error)) (best bool, suspended bool)
removePeer func(peerId string)
}
// func (self *testTxPool) GetTransactions() (txs []*types.Transaction) {
// if self.getTransactions != nil {
// txs = self.getTransactions()
// }
// return
// }
func (self *testTxPool) AddTransactions(txs []*types.Transaction) {
if self.addTransactions != nil {
self.addTransactions(txs)
@ -93,28 +53,28 @@ func (self *testTxPool) AddTransactions(txs []*types.Transaction) {
func (self *testTxPool) GetTransactions() types.Transactions { return nil }
func (self *testChainManager) GetBlockHashesFromHash(hash []byte, amount uint64) (hashes [][]byte) {
func (self *testChainManager) GetBlockHashesFromHash(hash common.Hash, amount uint64) (hashes []common.Hash) {
if self.getBlockHashes != nil {
hashes = self.getBlockHashes(hash, amount)
}
return
}
func (self *testChainManager) Status() (td *big.Int, currentBlock []byte, genesisBlock []byte) {
func (self *testChainManager) Status() (td *big.Int, currentBlock common.Hash, genesisBlock common.Hash) {
if self.status != nil {
td, currentBlock, genesisBlock = self.status()
}
return
}
func (self *testChainManager) GetBlock(hash []byte) (block *types.Block) {
func (self *testChainManager) GetBlock(hash common.Hash) (block *types.Block) {
if self.getBlock != nil {
block = self.getBlock(hash)
}
return
}
func (self *testBlockPool) AddBlockHashes(next func() ([]byte, bool), peerId string) {
func (self *testBlockPool) AddBlockHashes(next func() (common.Hash, bool), peerId string) {
if self.addBlockHashes != nil {
self.addBlockHashes(next, peerId)
}
@ -126,9 +86,9 @@ func (self *testBlockPool) AddBlock(block *types.Block, peerId string) {
}
}
func (self *testBlockPool) AddPeer(td *big.Int, currentBlock []byte, peerId string, requestBlockHashes func([]byte) error, requestBlocks func([][]byte) error, peerError func(*errs.Error)) (best bool) {
func (self *testBlockPool) AddPeer(td *big.Int, currentBlock common.Hash, peerId string, requestBlockHashes func(common.Hash) error, requestBlocks func([]common.Hash) error, peerError func(*errs.Error)) (best bool, suspended bool) {
if self.addPeer != nil {
best = self.addPeer(td, currentBlock, peerId, requestBlockHashes, requestBlocks, peerError)
best, suspended = self.addPeer(td, currentBlock, peerId, requestBlockHashes, requestBlocks, peerError)
}
return
}
@ -147,28 +107,36 @@ func testPeer() *p2p.Peer {
}
type ethProtocolTester struct {
p2p.MsgReadWriter // writing to the tester feeds the protocol
quit chan error
rw *testMsgReadWriter // p2p.MsgReadWriter
txPool *testTxPool // txPool
chainManager *testChainManager // chainManager
blockPool *testBlockPool // blockPool
pipe *p2p.MsgPipeRW // the protocol read/writes on this end
txPool *testTxPool // txPool
chainManager *testChainManager // chainManager
blockPool *testBlockPool // blockPool
t *testing.T
}
func newEth(t *testing.T) *ethProtocolTester {
p1, p2 := p2p.MsgPipe()
return &ethProtocolTester{
quit: make(chan error),
rw: &testMsgReadWriter{in: make(chan p2p.Msg, 10)},
txPool: &testTxPool{},
chainManager: &testChainManager{},
blockPool: &testBlockPool{},
t: t,
MsgReadWriter: p1,
quit: make(chan error, 1),
pipe: p2,
txPool: &testTxPool{},
chainManager: &testChainManager{},
blockPool: &testBlockPool{},
t: t,
}
}
func (self *ethProtocolTester) reset() {
self.rw = &testMsgReadWriter{in: make(chan p2p.Msg, 10)}
self.quit = make(chan error)
self.pipe.Close()
p1, p2 := p2p.MsgPipe()
self.MsgReadWriter = p1
self.pipe = p2
self.quit = make(chan error, 1)
}
func (self *ethProtocolTester) checkError(expCode int, delay time.Duration) (err error) {
@ -190,33 +158,8 @@ func (self *ethProtocolTester) checkError(expCode int, delay time.Duration) (err
return
}
func (self *ethProtocolTester) In(msg p2p.Msg) {
self.rw.In(msg)
}
func (self *ethProtocolTester) Out() (p2p.Msg, bool) {
return self.rw.Out()
}
func (self *ethProtocolTester) checkMsg(i int, code uint64, val interface{}) (msg p2p.Msg) {
if i >= len(self.rw.out) {
self.t.Errorf("expected at least %v msgs, got %v", i, len(self.rw.out))
return
}
msg = self.rw.out[i]
if msg.Code != code {
self.t.Errorf("expected msg code %v, got %v", code, msg.Code)
}
if val != nil {
if err := msg.Decode(val); err != nil {
self.t.Errorf("rlp encoding error: %v", err)
}
}
return
}
func (self *ethProtocolTester) run() {
err := runEthProtocol(ProtocolVersion, NetworkId, self.txPool, self.chainManager, self.blockPool, testPeer(), self.rw)
err := runEthProtocol(ProtocolVersion, NetworkId, self.txPool, self.chainManager, self.blockPool, testPeer(), self.pipe)
self.quit <- err
}
@ -224,41 +167,52 @@ func TestStatusMsgErrors(t *testing.T) {
logInit()
eth := newEth(t)
td := common.Big1
currentBlock := []byte{1}
genesis := []byte{2}
eth.chainManager.status = func() (*big.Int, []byte, []byte) { return td, currentBlock, genesis }
currentBlock := common.Hash{1}
genesis := common.Hash{2}
eth.chainManager.status = func() (*big.Int, common.Hash, common.Hash) { return td, currentBlock, genesis }
go eth.run()
statusMsg := p2p.NewMsg(4)
eth.In(statusMsg)
delay := 1 * time.Second
eth.checkError(ErrNoStatusMsg, delay)
var status statusMsgData
eth.checkMsg(0, StatusMsg, &status) // first outgoing msg should be StatusMsg
if status.TD.Cmp(td) != 0 ||
status.ProtocolVersion != ProtocolVersion ||
status.NetworkId != NetworkId ||
status.TD.Cmp(td) != 0 ||
bytes.Compare(status.CurrentBlock, currentBlock) != 0 ||
bytes.Compare(status.GenesisBlock, genesis) != 0 {
t.Errorf("incorrect outgoing status")
tests := []struct {
code uint64
data interface{}
wantErrorCode int
}{
{
code: TxMsg, data: []interface{}{},
wantErrorCode: ErrNoStatusMsg,
},
{
code: StatusMsg, data: statusMsgData{10, NetworkId, td, currentBlock, genesis},
wantErrorCode: ErrProtocolVersionMismatch,
},
{
code: StatusMsg, data: statusMsgData{ProtocolVersion, 999, td, currentBlock, genesis},
wantErrorCode: ErrNetworkIdMismatch,
},
{
code: StatusMsg, data: statusMsgData{ProtocolVersion, NetworkId, td, currentBlock, common.Hash{3}},
wantErrorCode: ErrGenesisBlockMismatch,
},
}
for _, test := range tests {
// first outgoing msg should be StatusMsg.
err := p2p.ExpectMsg(eth, StatusMsg, &statusMsgData{
ProtocolVersion: ProtocolVersion,
NetworkId: NetworkId,
TD: td,
CurrentBlock: currentBlock,
GenesisBlock: genesis,
})
if err != nil {
t.Fatalf("incorrect outgoing status: %v", err)
}
eth.reset()
go eth.run()
statusMsg = p2p.NewMsg(0, uint32(48), uint32(0), td, currentBlock, genesis)
eth.In(statusMsg)
eth.checkError(ErrProtocolVersionMismatch, delay)
eth.reset()
go eth.run()
statusMsg = p2p.NewMsg(0, uint32(49), uint32(1), td, currentBlock, genesis)
eth.In(statusMsg)
eth.checkError(ErrNetworkIdMismatch, delay)
eth.reset()
go eth.run()
statusMsg = p2p.NewMsg(0, uint32(49), uint32(0), td, currentBlock, []byte{3})
eth.In(statusMsg)
eth.checkError(ErrGenesisBlockMismatch, delay)
// the send call might hang until reset because
// the protocol might not read the payload.
go p2p.Send(eth, test.code, test.data)
eth.checkError(test.wantErrorCode, 1*time.Second)
eth.reset()
go eth.run()
}
}

80
eth/wallet.go
View File

@ -1,80 +0,0 @@
package eth
/*
import (
"crypto/ecdsa"
"errors"
"math/big"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
)
type Account struct {
w *Wallet
}
func (self *Account) Transact(to *Account, value, gas, price *big.Int, data []byte) error {
return self.w.transact(self, to, value, gas, price, data)
}
func (self *Account) Address() []byte {
return nil
}
func (self *Account) PrivateKey() *ecdsa.PrivateKey {
return nil
}
type Wallet struct{}
func NewWallet() *Wallet {
return &Wallet{}
}
func (self *Wallet) GetAccount(i int) *Account {
}
func (self *Wallet) transact(from, to *Account, value, gas, price *big.Int, data []byte) error {
if from.PrivateKey() == nil {
return errors.New("accounts is not owned (no private key available)")
}
var createsContract bool
if to == nil {
createsContract = true
}
var msg *types.Transaction
if contractCreation {
msg = types.NewContractCreationTx(value, gas, price, data)
} else {
msg = types.NewTransactionMessage(to.Address(), value, gas, price, data)
}
state := self.chainManager.TransState()
nonce := state.GetNonce(key.Address())
msg.SetNonce(nonce)
msg.SignECDSA(from.PriateKey())
// Do some pre processing for our "pre" events and hooks
block := self.chainManager.NewBlock(from.Address())
coinbase := state.GetOrNewStateObject(from.Address())
coinbase.SetGasPool(block.GasLimit())
self.blockManager.ApplyTransactions(coinbase, state, block, types.Transactions{tx}, true)
err := self.obj.TxPool().Add(tx)
if err != nil {
return nil, err
}
state.SetNonce(key.Address(), nonce+1)
if contractCreation {
addr := core.AddressFromMessage(tx)
pipelogger.Infof("Contract addr %x\n", addr)
}
return tx, nil
}
*/

2
ethdb/memory_database.go
View File

@ -49,7 +49,7 @@ func (db *MemDatabase) Print() {
for key, val := range db.db {
fmt.Printf("%x(%d): ", key, len(key))
node := common.NewValueFromBytes(val)
fmt.Printf("%q\n", node.Interface())
fmt.Printf("%q\n", node.Val)
}
}

2
jsre/ethereum_js.go
View File

File diff suppressed because one or more lines are too long

4
miner/agent.go
View File

@ -79,3 +79,7 @@ func (self *CpuMiner) mine(block *types.Block) {
self.returnCh <- Work{block.Number().Uint64(), nonce, mixDigest, seedHash}
}
}
func (self *CpuMiner) GetHashRate() int64 {
return self.pow.GetHashrate()
}

3
miner/miner.go
View File

@ -4,6 +4,7 @@ import (
"math/big"
"github.com/ethereum/ethash"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/pow"
@ -32,7 +33,7 @@ func (self *Miner) Mining() bool {
return self.mining
}
func (self *Miner) Start(coinbase []byte) {
func (self *Miner) Start(coinbase common.Address) {
self.mining = true
self.worker = newWorker(coinbase, self.eth)
self.worker.register(NewCpuMiner(0, self.pow))

32
miner/worker.go
View File

@ -7,9 +7,9 @@ import (
"sync"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/pow"
@ -39,7 +39,7 @@ func env(block *types.Block, eth core.Backend) *environment {
coinbase: state.GetOrNewStateObject(block.Coinbase()),
}
for _, ancestor := range eth.ChainManager().GetAncestors(block, 7) {
env.ancestors.Add(string(ancestor.Hash()))
env.ancestors.Add(ancestor.Hash())
}
return env
@ -57,7 +57,7 @@ type Agent interface {
SetWorkCh(chan<- Work)
Stop()
Start()
Pow() pow.PoW
GetHashRate() int64
}
type worker struct {
@ -71,14 +71,14 @@ type worker struct {
eth core.Backend
chain *core.ChainManager
proc *core.BlockProcessor
coinbase []byte
coinbase common.Address
current *environment
mining bool
}
func newWorker(coinbase []byte, eth core.Backend) *worker {
func newWorker(coinbase common.Address, eth core.Backend) *worker {
return &worker{
eth: eth,
mux: eth.EventMux(),
@ -152,13 +152,13 @@ func (self *worker) wait() {
block := self.current.block
if block.Number().Uint64() == work.Number && block.Nonce() == 0 {
self.current.block.SetNonce(work.Nonce)
self.current.block.Header().MixDigest = work.MixDigest
self.current.block.Header().MixDigest = common.BytesToHash(work.MixDigest)
jsonlogger.LogJson(&logger.EthMinerNewBlock{
BlockHash: common.Bytes2Hex(block.Hash()),
BlockHash: block.Hash().Hex(),
BlockNumber: block.Number(),
ChainHeadHash: common.Bytes2Hex(block.ParentHeaderHash),
BlockPrevHash: common.Bytes2Hex(block.ParentHeaderHash),
ChainHeadHash: block.ParentHeaderHash.Hex(),
BlockPrevHash: block.ParentHeaderHash.Hex(),
})
if err := self.chain.InsertChain(types.Blocks{self.current.block}); err == nil {
@ -208,9 +208,11 @@ gasLimit:
fallthrough
case core.IsInvalidTxErr(err):
// Remove invalid transactions
self.chain.TxState().RemoveNonce(tx.From(), tx.Nonce())
from, _ := tx.From()
self.chain.TxState().RemoveNonce(from, tx.Nonce())
remove = append(remove, tx)
minerlogger.Infof("TX (%x) failed. Transaction will be removed\n", tx.Hash()[:4])
minerlogger.Infof("TX (%x) failed, will be removed: %v\n", tx.Hash().Bytes()[:4], err)
minerlogger.Infoln(tx)
case state.IsGasLimitErr(err):
minerlogger.Infof("Gas limit reached for block. %d TXs included in this block\n", i)
// Break on gas limit
@ -232,13 +234,13 @@ var (
)
func (self *worker) commitUncle(uncle *types.Header) error {
if self.current.uncles.Has(string(uncle.Hash())) {
if self.current.uncles.Has(uncle.Hash()) {
// Error not unique
return core.UncleError("Uncle not unique")
}
self.current.uncles.Add(string(uncle.Hash()))
self.current.uncles.Add(uncle.Hash())
if !self.current.ancestors.Has(string(uncle.ParentHash)) {
if !self.current.ancestors.Has(uncle.ParentHash) {
return core.UncleError(fmt.Sprintf("Uncle's parent unknown (%x)", uncle.ParentHash[0:4]))
}
@ -271,7 +273,7 @@ func (self *worker) commitTransaction(tx *types.Transaction) error {
func (self *worker) HashRate() int64 {
var tot int64
for _, agent := range self.agents {
tot += agent.Pow().GetHashrate()
tot += agent.GetHashRate()
}
return tot

8
p2p/handshake.go
View File

@ -92,7 +92,7 @@ func setupInboundConn(fd net.Conn, prv *ecdsa.PrivateKey, our *protoHandshake) (
return nil, errors.New("node ID in protocol handshake does not match encryption handshake")
}
// TODO: validate that handshake node ID matches
if err := writeProtocolHandshake(rw, our); err != nil {
if err := Send(rw, handshakeMsg, our); err != nil {
return nil, fmt.Errorf("protocol write error: %v", err)
}
return &conn{rw, rhs}, nil
@ -106,7 +106,7 @@ func setupOutboundConn(fd net.Conn, prv *ecdsa.PrivateKey, our *protoHandshake,
// Run the protocol handshake using authenticated messages.
rw := newRlpxFrameRW(fd, secrets)
if err := writeProtocolHandshake(rw, our); err != nil {
if err := Send(rw, handshakeMsg, our); err != nil {
return nil, fmt.Errorf("protocol write error: %v", err)
}
rhs, err := readProtocolHandshake(rw, our)
@ -398,10 +398,6 @@ func xor(one, other []byte) (xor []byte) {
return xor
}
func writeProtocolHandshake(w MsgWriter, our *protoHandshake) error {
return EncodeMsg(w, handshakeMsg, our.Version, our.Name, our.Caps, our.ListenPort, our.ID[:])
}
func readProtocolHandshake(r MsgReader, our *protoHandshake) (*protoHandshake, error) {
// read and handle remote handshake
msg, err := r.ReadMsg()

77
p2p/message.go
View File

@ -11,7 +11,6 @@ import (
"sync/atomic"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/rlp"
)
@ -28,13 +27,7 @@ type Msg struct {
Payload io.Reader
}
// NewMsg creates an RLP-encoded message with the given code.
func NewMsg(code uint64, params ...interface{}) Msg {
p := bytes.NewReader(common.Encode(params))
return Msg{Code: code, Size: uint32(p.Len()), Payload: p}
}
// Decode parse the RLP content of a message into
// Decode parses the RLP content of a message into
// the given value, which must be a pointer.
//
// For the decoding rules, please see package rlp.
@ -76,13 +69,30 @@ type MsgReadWriter interface {
MsgWriter
}
// EncodeMsg writes an RLP-encoded message with the given code and
// data elements.
func EncodeMsg(w MsgWriter, code uint64, data ...interface{}) error {
return w.WriteMsg(NewMsg(code, data...))
// Send writes an RLP-encoded message with the given code.
// data should encode as an RLP list.
func Send(w MsgWriter, msgcode uint64, data interface{}) error {
size, r, err := rlp.EncodeToReader(data)
if err != nil {
return err
}
return w.WriteMsg(Msg{Code: msgcode, Size: uint32(size), Payload: r})
}
// netWrapper wrapsa MsgReadWriter with locks around
// SendItems writes an RLP with the given code and data elements.
// For a call such as:
//
// SendItems(w, code, e1, e2, e3)
//
// the message payload will be an RLP list containing the items:
//
// [e1, e2, e3]
//
func SendItems(w MsgWriter, msgcode uint64, elems ...interface{}) error {
return Send(w, msgcode, elems)
}
// netWrapper wraps a MsgReadWriter with locks around
// ReadMsg/WriteMsg and applies read/write deadlines.
type netWrapper struct {
rmu, wmu sync.Mutex
@ -175,7 +185,10 @@ func (p *MsgPipeRW) WriteMsg(msg Msg) error {
case p.w <- msg:
if msg.Size > 0 {
// wait for payload read or discard
<-consumed
select {
case <-consumed:
case <-p.closing:
}
}
return nil
case <-p.closing:
@ -197,8 +210,8 @@ func (p *MsgPipeRW) ReadMsg() (Msg, error) {
}
// Close unblocks any pending ReadMsg and WriteMsg calls on both ends
// of the pipe. They will return ErrPipeClosed. Note that Close does
// not interrupt any reads from a message payload.
// of the pipe. They will return ErrPipeClosed. Close also
// interrupts any reads from a message payload.
func (p *MsgPipeRW) Close() error {
if atomic.AddInt32(p.closed, 1) != 1 {
// someone else is already closing
@ -208,3 +221,35 @@ func (p *MsgPipeRW) Close() error {
close(p.closing)
return nil
}
// ExpectMsg reads a message from r and verifies that its
// code and encoded RLP content match the provided values.
// If content is nil, the payload is discarded and not verified.
func ExpectMsg(r MsgReader, code uint64, content interface{}) error {
msg, err := r.ReadMsg()
if err != nil {
return err
}
if msg.Code != code {
return fmt.Errorf("message code mismatch: got %d, expected %d", msg.Code, code)
}
if content == nil {
return msg.Discard()
} else {
contentEnc, err := rlp.EncodeToBytes(content)
if err != nil {
panic("content encode error: " + err.Error())
}
if int(msg.Size) != len(contentEnc) {
return fmt.Errorf("message size mismatch: got %d, want %d", msg.Size, len(contentEnc))
}
actualContent, err := ioutil.ReadAll(msg.Payload)
if err != nil {
return err
}
if !bytes.Equal(actualContent, contentEnc) {
return fmt.Errorf("message payload mismatch:\ngot: %x\nwant: %x", actualContent, contentEnc)
}
}
return nil
}

24
p2p/message_test.go
View File

@ -5,33 +5,17 @@ import (
"encoding/hex"
"fmt"
"io"
"io/ioutil"
"runtime"
"strings"
"testing"
"time"
)
func TestNewMsg(t *testing.T) {
msg := NewMsg(3, 1, "000")
if msg.Code != 3 {
t.Errorf("incorrect code %d, want %d", msg.Code)
}
expect := unhex("c50183303030")
if msg.Size != uint32(len(expect)) {
t.Errorf("incorrect size %d, want %d", msg.Size, len(expect))
}
pl, _ := ioutil.ReadAll(msg.Payload)
if !bytes.Equal(pl, expect) {
t.Errorf("incorrect payload content, got %x, want %x", pl, expect)
}
}
func ExampleMsgPipe() {
rw1, rw2 := MsgPipe()
go func() {
EncodeMsg(rw1, 8, []byte{0, 0})
EncodeMsg(rw1, 5, []byte{1, 1})
Send(rw1, 8, [][]byte{{0, 0}})
Send(rw1, 5, [][]byte{{1, 1}})
rw1.Close()
}()
@ -40,7 +24,7 @@ func ExampleMsgPipe() {
if err != nil {
break
}
var data [1][]byte
var data [][]byte
msg.Decode(&data)
fmt.Printf("msg: %d, %x\n", msg.Code, data[0])
}
@ -55,7 +39,7 @@ loop:
rw1, rw2 := MsgPipe()
done := make(chan struct{})
go func() {
if err := EncodeMsg(rw1, 1); err == nil {
if err := SendItems(rw1, 1); err == nil {
t.Error("EncodeMsg returned nil error")
} else if err != ErrPipeClosed {
t.Error("EncodeMsg returned wrong error: got %v, want %v", err, ErrPipeClosed)

7
p2p/peer.go
View File

@ -132,7 +132,7 @@ loop:
select {
case <-ping.C:
go func() {
if err := EncodeMsg(p.rw, pingMsg, nil); err != nil {
if err := SendItems(p.rw, pingMsg); err != nil {
p.protoErr <- err
return
}
@ -161,7 +161,7 @@ loop:
func (p *Peer) politeDisconnect(reason DiscReason) {
done := make(chan struct{})
go func() {
EncodeMsg(p.rw, discMsg, uint(reason))
SendItems(p.rw, discMsg, uint(reason))
// Wait for the other side to close the connection.
// Discard any data that they send until then.
io.Copy(ioutil.Discard, p.conn)
@ -192,12 +192,13 @@ func (p *Peer) handle(msg Msg) error {
switch {
case msg.Code == pingMsg:
msg.Discard()
go EncodeMsg(p.rw, pongMsg)
go SendItems(p.rw, pongMsg)
case msg.Code == discMsg:
var reason [1]DiscReason
// no need to discard or for error checking, we'll close the
// connection after this.
rlp.Decode(msg.Payload, &reason)
p.Debugf("Disconnect requested: %v\n", reason[0])
p.Disconnect(DiscRequested)
return discRequestedError(reason[0])
case msg.Code < baseProtocolLength:

73
p2p/peer_test.go
View File

@ -4,13 +4,10 @@ import (
"bytes"
"fmt"
"io"
"io/ioutil"
"net"
"reflect"
"testing"
"time"
"github.com/ethereum/go-ethereum/rlp"
)
var discard = Protocol{
@ -55,13 +52,13 @@ func TestPeerProtoReadMsg(t *testing.T) {
Name: "a",
Length: 5,
Run: func(peer *Peer, rw MsgReadWriter) error {
if err := expectMsg(rw, 2, []uint{1}); err != nil {
if err := ExpectMsg(rw, 2, []uint{1}); err != nil {
t.Error(err)
}
if err := expectMsg(rw, 3, []uint{2}); err != nil {
if err := ExpectMsg(rw, 3, []uint{2}); err != nil {
t.Error(err)
}
if err := expectMsg(rw, 4, []uint{3}); err != nil {
if err := ExpectMsg(rw, 4, []uint{3}); err != nil {
t.Error(err)
}
close(done)
@ -72,9 +69,9 @@ func TestPeerProtoReadMsg(t *testing.T) {
closer, rw, _, errc := testPeer([]Protocol{proto})
defer closer.Close()
EncodeMsg(rw, baseProtocolLength+2, 1)
EncodeMsg(rw, baseProtocolLength+3, 2)
EncodeMsg(rw, baseProtocolLength+4, 3)
Send(rw, baseProtocolLength+2, []uint{1})
Send(rw, baseProtocolLength+3, []uint{2})
Send(rw, baseProtocolLength+4, []uint{3})
select {
case <-done:
@ -92,10 +89,10 @@ func TestPeerProtoEncodeMsg(t *testing.T) {
Name: "a",
Length: 2,
Run: func(peer *Peer, rw MsgReadWriter) error {
if err := EncodeMsg(rw, 2); err == nil {
if err := SendItems(rw, 2); err == nil {
t.Error("expected error for out-of-range msg code, got nil")
}
if err := EncodeMsg(rw, 1, "foo", "bar"); err != nil {
if err := SendItems(rw, 1, "foo", "bar"); err != nil {
t.Errorf("write error: %v", err)
}
return nil
@ -104,7 +101,7 @@ func TestPeerProtoEncodeMsg(t *testing.T) {
closer, rw, _, _ := testPeer([]Protocol{proto})
defer closer.Close()
if err := expectMsg(rw, 17, []string{"foo", "bar"}); err != nil {
if err := ExpectMsg(rw, 17, []string{"foo", "bar"}); err != nil {
t.Error(err)
}
}
@ -115,11 +112,15 @@ func TestPeerWriteForBroadcast(t *testing.T) {
closer, rw, peer, peerErr := testPeer([]Protocol{discard})
defer closer.Close()
emptymsg := func(code uint64) Msg {
return Msg{Code: code, Size: 0, Payload: bytes.NewReader(nil)}
}
// test write errors
if err := peer.writeProtoMsg("b", NewMsg(3)); err == nil {
if err := peer.writeProtoMsg("b", emptymsg(3)); err == nil {
t.Errorf("expected error for unknown protocol, got nil")
}
if err := peer.writeProtoMsg("discard", NewMsg(8)); err == nil {
if err := peer.writeProtoMsg("discard", emptymsg(8)); err == nil {
t.Errorf("expected error for out-of-range msg code, got nil")
} else if perr, ok := err.(*peerError); !ok || perr.Code != errInvalidMsgCode {
t.Errorf("wrong error for out-of-range msg code, got %#v", err)
@ -128,14 +129,14 @@ func TestPeerWriteForBroadcast(t *testing.T) {
// setup for reading the message on the other end
read := make(chan struct{})
go func() {
if err := expectMsg(rw, 16, nil); err != nil {
if err := ExpectMsg(rw, 16, nil); err != nil {
t.Error(err)
}
close(read)
}()
// test successful write
if err := peer.writeProtoMsg("discard", NewMsg(0)); err != nil {
if err := peer.writeProtoMsg("discard", emptymsg(0)); err != nil {
t.Errorf("expect no error for known protocol: %v", err)
}
select {
@ -150,10 +151,10 @@ func TestPeerPing(t *testing.T) {
closer, rw, _, _ := testPeer(nil)
defer closer.Close()
if err := EncodeMsg(rw, pingMsg); err != nil {
if err := SendItems(rw, pingMsg); err != nil {
t.Fatal(err)
}
if err := expectMsg(rw, pongMsg, nil); err != nil {
if err := ExpectMsg(rw, pongMsg, nil); err != nil {
t.Error(err)
}
}
@ -163,10 +164,10 @@ func TestPeerDisconnect(t *testing.T) {
closer, rw, _, disc := testPeer(nil)
defer closer.Close()
if err := EncodeMsg(rw, discMsg, DiscQuitting); err != nil {
if err := SendItems(rw, discMsg, DiscQuitting); err != nil {
t.Fatal(err)
}
if err := expectMsg(rw, discMsg, []interface{}{DiscRequested}); err != nil {
if err := ExpectMsg(rw, discMsg, []interface{}{DiscRequested}); err != nil {
t.Error(err)
}
closer.Close() // make test end faster
@ -192,35 +193,3 @@ func TestNewPeer(t *testing.T) {
p.Disconnect(DiscAlreadyConnected) // Should not hang
}
// expectMsg reads a message from r and verifies that its
// code and encoded RLP content match the provided values.
// If content is nil, the payload is discarded and not verified.
func expectMsg(r MsgReader, code uint64, content interface{}) error {
msg, err := r.ReadMsg()
if err != nil {
return err
}
if msg.Code != code {
return fmt.Errorf("message code mismatch: got %d, expected %d", msg.Code, code)
}
if content == nil {
return msg.Discard()
} else {
contentEnc, err := rlp.EncodeToBytes(content)
if err != nil {
panic("content encode error: " + err.Error())
}
if int(msg.Size) != len(contentEnc) {
return fmt.Errorf("message size mismatch: got %d, want %d", msg.Size, len(contentEnc))
}
actualContent, err := ioutil.ReadAll(msg.Payload)
if err != nil {
return err
}
if !bytes.Equal(actualContent, contentEnc) {
return fmt.Errorf("message payload mismatch:\ngot: %x\nwant: %x", actualContent, contentEnc)
}
}
return nil
}

4
p2p/rlpx_test.go
View File

@ -30,7 +30,7 @@ ba628a4ba590cb43f7848f41c4382885
`)
// Check WriteMsg. This puts a message into the buffer.
if err := EncodeMsg(rw, 8, 1, 2, 3, 4); err != nil {
if err := Send(rw, 8, []uint{1, 2, 3, 4}); err != nil {
t.Fatalf("WriteMsg error: %v", err)
}
written := buf.Bytes()
@ -102,7 +102,7 @@ func TestRlpxFrameRW(t *testing.T) {
for i := 0; i < 10; i++ {
// write message into conn buffer
wmsg := []interface{}{"foo", "bar", strings.Repeat("test", i)}
err := EncodeMsg(rw1, uint64(i), wmsg...)
err := Send(rw1, uint64(i), wmsg)
if err != nil {
t.Fatalf("WriteMsg error (i=%d): %v", i, err)
}

11
p2p/server.go
View File

@ -9,10 +9,10 @@ import (
"sync"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/p2p/discover"
"github.com/ethereum/go-ethereum/p2p/nat"
"github.com/ethereum/go-ethereum/rlp"
)
const (
@ -129,10 +129,14 @@ func (srv *Server) SuggestPeer(n *discover.Node) {
// Broadcast sends an RLP-encoded message to all connected peers.
// This method is deprecated and will be removed later.
func (srv *Server) Broadcast(protocol string, code uint64, data ...interface{}) {
func (srv *Server) Broadcast(protocol string, code uint64, data interface{}) error {
var payload []byte
if data != nil {
payload = common.Encode(data)
var err error
payload, err = rlp.EncodeToBytes(data)
if err != nil {
return err
}
}
srv.lock.RLock()
defer srv.lock.RUnlock()
@ -146,6 +150,7 @@ func (srv *Server) Broadcast(protocol string, code uint64, data ...interface{})
peer.writeProtoMsg(protocol, msg)
}
}
return nil
}
// Start starts running the server.

2
p2p/server_test.go
View File

@ -149,7 +149,7 @@ func TestServerBroadcast(t *testing.T) {
connected.Wait()
// broadcast one message
srv.Broadcast("discard", 0, "foo")
srv.Broadcast("discard", 0, []string{"foo"})
golden := unhex("66e94d166f0a2c3b884cfa59ca34")
// check that the message has been written everywhere

5
pow/block.go
View File

@ -3,14 +3,15 @@ package pow
import (
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
)
type Block interface {
Difficulty() *big.Int
HashNoNonce() []byte
HashNoNonce() common.Hash
Nonce() uint64
MixDigest() []byte
MixDigest() common.Hash
NumberU64() uint64
}

11
pow/ezp/pow.go
View File

@ -6,8 +6,8 @@ import (
"math/rand"
"time"
"github.com/ethereum/go-ethereum/crypto/sha3"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto/sha3"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/pow"
)
@ -83,17 +83,14 @@ func (pow *EasyPow) Verify(block pow.Block) bool {
return Verify(block)
}
func verify(hash []byte, diff *big.Int, nonce uint64) bool {
func verify(hash common.Hash, diff *big.Int, nonce uint64) bool {
sha := sha3.NewKeccak256()
n := make([]byte, 8)
binary.PutUvarint(n, nonce)
d := append(hash, n...)
sha.Write(d)
sha.Write(n)
sha.Write(hash[:])
verification := new(big.Int).Div(common.BigPow(2, 256), diff)
res := common.BigD(sha.Sum(nil))
return res.Cmp(verification) <= 0
}

39
rlp/decode.go
View File

@ -2,6 +2,7 @@ package rlp
import (
"bufio"
"bytes"
"encoding/binary"
"errors"
"fmt"
@ -73,6 +74,12 @@ func Decode(r io.Reader, val interface{}) error {
return NewStream(r).Decode(val)
}
// DecodeBytes parses RLP data from b into val.
// Please see the documentation of Decode for the decoding rules.
func DecodeBytes(b []byte, val interface{}) error {
return NewStream(bytes.NewReader(b)).Decode(val)
}
type decodeError struct {
msg string
typ reflect.Type
@ -360,7 +367,12 @@ func makePtrDecoder(typ reflect.Type) (decoder, error) {
dec := func(s *Stream, val reflect.Value) (err error) {
_, size, err := s.Kind()
if err != nil || size == 0 && s.byteval == 0 {
val.Set(reflect.Zero(typ)) // set to nil
// rearm s.Kind. This is important because the input
// position must advance to the next value even though
// we don't read anything.
s.kind = -1
// set the pointer to nil.
val.Set(reflect.Zero(typ))
return err
}
newval := val
@ -528,6 +540,31 @@ func (s *Stream) Bytes() ([]byte, error) {
}
}
// Raw reads a raw encoded value including RLP type information.
func (s *Stream) Raw() ([]byte, error) {
kind, size, err := s.Kind()
if err != nil {
return nil, err
}
if kind == Byte {
s.kind = -1 // rearm Kind
return []byte{s.byteval}, nil
}
// the original header has already been read and is no longer
// available. read content and put a new header in front of it.
start := headsize(size)
buf := make([]byte, uint64(start)+size)
if err := s.readFull(buf[start:]); err != nil {
return nil, err
}
if kind == String {
puthead(buf, 0x80, 0xB8, size)
} else {
puthead(buf, 0xC0, 0xF7, size)
}
return buf, nil
}
var errUintOverflow = errors.New("rlp: uint overflow")
// Uint reads an RLP string of up to 8 bytes and returns its contents

36
rlp/decode_test.go
View File

@ -39,7 +39,7 @@ func TestStreamKind(t *testing.T) {
s := NewStream(bytes.NewReader(unhex(test.input)))
kind, len, err := s.Kind()
if err != nil {
t.Errorf("test %d: Type returned error: %v", i, err)
t.Errorf("test %d: Kind returned error: %v", i, err)
continue
}
if kind != test.wantKind {
@ -93,6 +93,23 @@ func TestStreamErrors(t *testing.T) {
{"C3C2010201", calls{"List", "List", "Uint", "Uint", "ListEnd", "Uint"}, EOL},
{"00", calls{"ListEnd"}, errNotInList},
{"C40102", calls{"List", "Uint", "ListEnd"}, errNotAtEOL},
// This test verifies that the input position is advanced
// correctly when calling Bytes for empty strings. Kind can be called
// any number of times in between and doesn't advance.
{"C3808080", calls{
"List", // enter the list
"Bytes", // past first element
"Kind", "Kind", "Kind", // this shouldn't advance
"Bytes", // past second element
"Kind", "Kind", // can't hurt to try
"Bytes", // past final element
"Bytes", // this one should fail
}, EOL},
}
testfor:
@ -148,6 +165,20 @@ func TestStreamList(t *testing.T) {
}
}
func TestStreamRaw(t *testing.T) {
s := NewStream(bytes.NewReader(unhex("C58401010101")))
s.List()
want := unhex("8401010101")
raw, err := s.Raw()
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(want, raw) {
t.Errorf("raw mismatch: got %x, want %x", raw, want)
}
}
func TestDecodeErrors(t *testing.T) {
r := bytes.NewReader(nil)
@ -314,6 +345,9 @@ var decodeTests = []decodeTest{
{input: "C109", ptr: new(*[]uint), value: &[]uint{9}},
{input: "C58403030303", ptr: new(*[][]byte), value: &[][]byte{{3, 3, 3, 3}}},
// check that input position is advanced also for empty values.
{input: "C3808005", ptr: new([]*uint), value: []*uint{nil, nil, uintp(5)}},
// pointer should be reset to nil
{input: "05", ptr: sharedPtr, value: uintp(5)},
{input: "80", ptr: sharedPtr, value: (*uint)(nil)},

60
rlp/encode.go
View File

@ -70,7 +70,7 @@ func (e flatenc) EncodeRLP(out io.Writer) error {
newhead := eb.lheads[prevnheads]
copy(eb.lheads[prevnheads:], eb.lheads[prevnheads+1:])
eb.lheads = eb.lheads[:len(eb.lheads)-1]
eb.lhsize -= newhead.tagsize()
eb.lhsize -= headsize(uint64(newhead.size))
return nil
}
@ -155,21 +155,29 @@ type listhead struct {
// encode writes head to the given buffer, which must be at least
// 9 bytes long. It returns the encoded bytes.
func (head *listhead) encode(buf []byte) []byte {
if head.size < 56 {
buf[0] = 0xC0 + byte(head.size)
return buf[:1]
} else {
sizesize := putint(buf[1:], uint64(head.size))
buf[0] = 0xF7 + byte(sizesize)
return buf[:sizesize+1]
}
return buf[:puthead(buf, 0xC0, 0xF7, uint64(head.size))]
}
func (head *listhead) tagsize() int {
if head.size < 56 {
// headsize returns the size of a list or string header
// for a value of the given size.
func headsize(size uint64) int {
if size < 56 {
return 1
}
return 1 + intsize(uint64(head.size))
return 1 + intsize(size)
}
// puthead writes a list or string header to buf.
// buf must be at least 9 bytes long.
func puthead(buf []byte, smalltag, largetag byte, size uint64) int {
if size < 56 {
buf[0] = smalltag + byte(size)
return 1
} else {
sizesize := putint(buf[1:], size)
buf[0] = largetag + byte(sizesize)
return sizesize + 1
}
}
func newencbuf() *encbuf {
@ -203,8 +211,13 @@ func (w *encbuf) encodeStringHeader(size int) {
}
func (w *encbuf) encodeString(b []byte) {
w.encodeStringHeader(len(b))
w.str = append(w.str, b...)
if len(b) == 1 && b[0] <= 0x7F {
// fits single byte, no string header
w.str = append(w.str, b[0])
} else {
w.encodeStringHeader(len(b))
w.str = append(w.str, b...)
}
}
func (w *encbuf) list() *listhead {
@ -386,7 +399,12 @@ func writeUint(val reflect.Value, w *encbuf) error {
}
func writeBigIntPtr(val reflect.Value, w *encbuf) error {
return writeBigInt(val.Interface().(*big.Int), w)
ptr := val.Interface().(*big.Int)
if ptr == nil {
w.str = append(w.str, 0x80)
return nil
}
return writeBigInt(ptr, w)
}
func writeBigIntNoPtr(val reflect.Value, w *encbuf) error {
@ -399,9 +417,6 @@ func writeBigInt(i *big.Int, w *encbuf) error {
return fmt.Errorf("rlp: cannot encode negative *big.Int")
} else if cmp == 0 {
w.str = append(w.str, 0x80)
} else if bits := i.BitLen(); bits < 8 {
// fits single byte
w.str = append(w.str, byte(i.Uint64()))
} else {
w.encodeString(i.Bytes())
}
@ -429,8 +444,13 @@ func writeByteArray(val reflect.Value, w *encbuf) error {
func writeString(val reflect.Value, w *encbuf) error {
s := val.String()
w.encodeStringHeader(len(s))
w.str = append(w.str, s...)
if len(s) == 1 && s[0] <= 0x7f {
// fits single byte, no string header
w.str = append(w.str, s[0])
} else {
w.encodeStringHeader(len(s))
w.str = append(w.str, s...)
}
return nil
}

7
rlp/encode_test.go
View File

@ -103,12 +103,18 @@ var encTests = []encTest{
// byte slices, strings
{val: []byte{}, output: "80"},
{val: []byte{0x7E}, output: "7E"},
{val: []byte{0x7F}, output: "7F"},
{val: []byte{0x80}, output: "8180"},
{val: []byte{1, 2, 3}, output: "83010203"},
{val: []namedByteType{1, 2, 3}, output: "83010203"},
{val: [...]namedByteType{1, 2, 3}, output: "83010203"},
{val: "", output: "80"},
{val: "\x7E", output: "7E"},
{val: "\x7F", output: "7F"},
{val: "\x80", output: "8180"},
{val: "dog", output: "83646F67"},
{
val: "Lorem ipsum dolor sit amet, consectetur adipisicing eli",
@ -196,6 +202,7 @@ var encTests = []encTest{
{val: (*uint)(nil), output: "80"},
{val: (*string)(nil), output: "80"},
{val: (*[]byte)(nil), output: "80"},
{val: (*big.Int)(nil), output: "80"},
{val: (*[]string)(nil), output: "C0"},
{val: (*[]interface{})(nil), output: "C0"},
{val: (*[]struct{ uint })(nil), output: "C0"},

27
rpc/api.go
View File

@ -270,7 +270,7 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error
return NewValidationError("Index", "does not exist")
}
uhash := common.ToHex(br.Uncles[args.Index])
uhash := br.Uncles[args.Index].Hex()
uncle := NewBlockRes(p.xeth().EthBlockByHash(uhash))
*reply = uncle
@ -288,7 +288,7 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error
return NewValidationError("Index", "does not exist")
}
uhash := common.ToHex(v.Uncles[args.Index])
uhash := v.Uncles[args.Index].Hex()
uncle := NewBlockRes(p.xeth().EthBlockByHash(uhash))
*reply = uncle
@ -459,12 +459,12 @@ func toFilterOptions(options *BlockFilterArgs) *core.FilterOptions {
// Convert optional address slice/string to byte slice
if str, ok := options.Address.(string); ok {
opts.Address = [][]byte{common.FromHex(str)}
opts.Address = []common.Address{common.HexToAddress(str)}
} else if slice, ok := options.Address.([]interface{}); ok {
bslice := make([][]byte, len(slice))
bslice := make([]common.Address, len(slice))
for i, addr := range slice {
if saddr, ok := addr.(string); ok {
bslice[i] = common.FromHex(saddr)
bslice[i] = common.HexToAddress(saddr)
}
}
opts.Address = bslice
@ -473,19 +473,26 @@ func toFilterOptions(options *BlockFilterArgs) *core.FilterOptions {
opts.Earliest = options.Earliest
opts.Latest = options.Latest
topics := make([][][]byte, len(options.Topics))
topics := make([][]common.Hash, len(options.Topics))
for i, topicDat := range options.Topics {
if slice, ok := topicDat.([]interface{}); ok {
topics[i] = make([][]byte, len(slice))
topics[i] = make([]common.Hash, len(slice))
for j, topic := range slice {
topics[i][j] = common.FromHex(topic.(string))
topics[i][j] = common.HexToHash(topic.(string))
}
} else if str, ok := topicDat.(string); ok {
topics[i] = make([][]byte, 1)
topics[i][0] = common.FromHex(str)
topics[i] = []common.Hash{common.HexToHash(str)}
}
}
opts.Topics = topics
return &opts
}
/*
Work() chan<- *types.Block
SetWorkCh(chan<- Work)
Stop()
Start()
Rate() uint64
*/

80
rpc/responses.go
View File

@ -14,14 +14,14 @@ type BlockRes struct {
fullTx bool
BlockNumber int64 `json:"number"`
BlockHash []byte `json:"hash"`
ParentHash []byte `json:"parentHash"`
Nonce []byte `json:"nonce"`
Sha3Uncles []byte `json:"sha3Uncles"`
LogsBloom []byte `json:"logsBloom"`
TransactionRoot []byte `json:"transactionRoot"`
StateRoot []byte `json:"stateRoot"`
Miner []byte `json:"miner"`
BlockHash common.Hash `json:"hash"`
ParentHash common.Hash `json:"parentHash"`
Nonce [8]byte `json:"nonce"`
Sha3Uncles common.Hash `json:"sha3Uncles"`
LogsBloom types.Bloom `json:"logsBloom"`
TransactionRoot common.Hash `json:"transactionRoot"`
StateRoot common.Hash `json:"stateRoot"`
Miner common.Address `json:"miner"`
Difficulty int64 `json:"difficulty"`
TotalDifficulty int64 `json:"totalDifficulty"`
Size int64 `json:"size"`
@ -31,7 +31,7 @@ type BlockRes struct {
GasUsed int64 `json:"gasUsed"`
UnixTimestamp int64 `json:"timestamp"`
Transactions []*TransactionRes `json:"transactions"`
Uncles [][]byte `json:"uncles"`
Uncles []common.Hash `json:"uncles"`
}
func (b *BlockRes) MarshalJSON() ([]byte, error) {
@ -59,14 +59,14 @@ func (b *BlockRes) MarshalJSON() ([]byte, error) {
// convert strict types to hexified strings
ext.BlockNumber = common.ToHex(big.NewInt(b.BlockNumber).Bytes())
ext.BlockHash = common.ToHex(b.BlockHash)
ext.ParentHash = common.ToHex(b.ParentHash)
ext.Nonce = common.ToHex(b.Nonce)
ext.Sha3Uncles = common.ToHex(b.Sha3Uncles)
ext.LogsBloom = common.ToHex(b.LogsBloom)
ext.TransactionRoot = common.ToHex(b.TransactionRoot)
ext.StateRoot = common.ToHex(b.StateRoot)
ext.Miner = common.ToHex(b.Miner)
ext.BlockHash = b.BlockHash.Hex()
ext.ParentHash = b.ParentHash.Hex()
ext.Nonce = common.ToHex(b.Nonce[:])
ext.Sha3Uncles = b.Sha3Uncles.Hex()
ext.LogsBloom = common.ToHex(b.LogsBloom[:])
ext.TransactionRoot = b.TransactionRoot.Hex()
ext.StateRoot = b.StateRoot.Hex()
ext.Miner = b.Miner.Hex()
ext.Difficulty = common.ToHex(big.NewInt(b.Difficulty).Bytes())
ext.TotalDifficulty = common.ToHex(big.NewInt(b.TotalDifficulty).Bytes())
ext.Size = common.ToHex(big.NewInt(b.Size).Bytes())
@ -82,12 +82,12 @@ func (b *BlockRes) MarshalJSON() ([]byte, error) {
}
} else {
for i, tx := range b.Transactions {
ext.Transactions[i] = common.ToHex(tx.Hash)
ext.Transactions[i] = tx.Hash.Hex()
}
}
ext.Uncles = make([]string, len(b.Uncles))
for i, v := range b.Uncles {
ext.Uncles[i] = common.ToHex(v)
ext.Uncles[i] = v.Hex()
}
return json.Marshal(ext)
@ -126,7 +126,7 @@ func NewBlockRes(block *types.Block) *BlockRes {
v.TxIndex = int64(i)
res.Transactions[i] = v
}
res.Uncles = make([][]byte, len(block.Uncles()))
res.Uncles = make([]common.Hash, len(block.Uncles()))
for i, uncle := range block.Uncles() {
res.Uncles[i] = uncle.Hash()
}
@ -134,17 +134,17 @@ func NewBlockRes(block *types.Block) *BlockRes {
}
type TransactionRes struct {
Hash []byte `json:"hash"`
Nonce int64 `json:"nonce"`
BlockHash []byte `json:"blockHash,omitempty"`
BlockNumber int64 `json:"blockNumber,omitempty"`
TxIndex int64 `json:"transactionIndex,omitempty"`
From []byte `json:"from"`
To []byte `json:"to"`
Value int64 `json:"value"`
Gas int64 `json:"gas"`
GasPrice int64 `json:"gasPrice"`
Input []byte `json:"input"`
Hash common.Hash `json:"hash"`
Nonce int64 `json:"nonce"`
BlockHash common.Hash `json:"blockHash,omitempty"`
BlockNumber int64 `json:"blockNumber,omitempty"`
TxIndex int64 `json:"transactionIndex,omitempty"`
From common.Address `json:"from"`
To *common.Address `json:"to"`
Value int64 `json:"value"`
Gas int64 `json:"gas"`
GasPrice int64 `json:"gasPrice"`
Input []byte `json:"input"`
}
func (t *TransactionRes) MarshalJSON() ([]byte, error) {
@ -162,13 +162,17 @@ func (t *TransactionRes) MarshalJSON() ([]byte, error) {
Input string `json:"input"`
}
ext.Hash = common.ToHex(t.Hash)
ext.Hash = t.Hash.Hex()
ext.Nonce = common.ToHex(big.NewInt(t.Nonce).Bytes())
ext.BlockHash = common.ToHex(t.BlockHash)
ext.BlockHash = t.BlockHash.Hex()
ext.BlockNumber = common.ToHex(big.NewInt(t.BlockNumber).Bytes())
ext.TxIndex = common.ToHex(big.NewInt(t.TxIndex).Bytes())
ext.From = common.ToHex(t.From)
ext.To = common.ToHex(t.To)
ext.From = t.From.Hex()
if t.To == nil {
ext.To = "0x00"
} else {
ext.To = t.To.Hex()
}
ext.Value = common.ToHex(big.NewInt(t.Value).Bytes())
ext.Gas = common.ToHex(big.NewInt(t.Gas).Bytes())
ext.GasPrice = common.ToHex(big.NewInt(t.GasPrice).Bytes())
@ -181,7 +185,7 @@ func NewTransactionRes(tx *types.Transaction) *TransactionRes {
var v = new(TransactionRes)
v.Hash = tx.Hash()
v.Nonce = int64(tx.Nonce())
v.From = tx.From()
v.From, _ = tx.From()
v.To = tx.To()
v.Value = tx.Value().Int64()
v.Gas = tx.Gas().Int64()
@ -226,11 +230,11 @@ func NewLogsRes(logs state.Logs) (ls []LogRes) {
for i, log := range logs {
var l LogRes
l.Topics = make([]string, len(log.Topics()))
l.Address = common.ToHex(log.Address())
l.Address = log.Address().Hex()
l.Data = common.ToHex(log.Data())
l.Number = log.Number()
for j, topic := range log.Topics() {
l.Topics[j] = common.ToHex(topic)
l.Topics[j] = topic.Hex()
}
ls[i] = l
}

2
state/dump.go
View File

@ -28,7 +28,7 @@ func (self *StateDB) RawDump() World {
it := self.trie.Iterator()
for it.Next() {
stateObject := NewStateObjectFromBytes(it.Key, it.Value, self.db)
stateObject := NewStateObjectFromBytes(common.BytesToAddress(it.Key), it.Value, self.db)
account := Account{Balance: stateObject.balance.String(), Nonce: stateObject.nonce, Root: common.Bytes2Hex(stateObject.Root()), CodeHash: common.Bytes2Hex(stateObject.codeHash)}
account.Storage = make(map[string]string)

32
state/log.go
View File

@ -2,36 +2,36 @@ package state
import (
"fmt"
"io"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/rlp"
)
type Log interface {
common.RlpEncodable
Address() []byte
Topics() [][]byte
Address() common.Address
Topics() []common.Hash
Data() []byte
Number() uint64
}
type StateLog struct {
address []byte
topics [][]byte
address common.Address
topics []common.Hash
data []byte
number uint64
}
func NewLog(address []byte, topics [][]byte, data []byte, number uint64) *StateLog {
func NewLog(address common.Address, topics []common.Hash, data []byte, number uint64) *StateLog {
return &StateLog{address, topics, data, number}
}
func (self *StateLog) Address() []byte {
func (self *StateLog) Address() common.Address {
return self.address
}
func (self *StateLog) Topics() [][]byte {
func (self *StateLog) Topics() []common.Hash {
return self.topics
}
@ -43,7 +43,12 @@ func (self *StateLog) Number() uint64 {
return self.number
}
/*
func NewLogFromValue(decoder *common.Value) *StateLog {
var extlog struct {
}
log := &StateLog{
address: decoder.Get(0).Bytes(),
data: decoder.Get(2).Bytes(),
@ -56,10 +61,17 @@ func NewLogFromValue(decoder *common.Value) *StateLog {
return log
}
*/
func (self *StateLog) EncodeRLP(w io.Writer) error {
return rlp.Encode(w, []interface{}{self.address, self.topics, self.data})
}
/*
func (self *StateLog) RlpData() interface{} {
return []interface{}{self.address, common.ByteSliceToInterface(self.topics), self.data}
}
*/
func (self *StateLog) String() string {
return fmt.Sprintf(`log: %x %x %x`, self.address, self.topics, self.data)
@ -67,6 +79,7 @@ func (self *StateLog) String() string {
type Logs []Log
/*
func (self Logs) RlpData() interface{} {
data := make([]interface{}, len(self))
for i, log := range self {
@ -75,6 +88,7 @@ func (self Logs) RlpData() interface{} {
return data
}
*/
func (self Logs) String() (ret string) {
for _, log := range self {

25
state/managed_state.go
View File

@ -1,6 +1,10 @@
package state
import "sync"
import (
"sync"
"github.com/ethereum/go-ethereum/common"
)
type account struct {
stateObject *StateObject
@ -29,7 +33,7 @@ func (ms *ManagedState) SetState(statedb *StateDB) {
ms.StateDB = statedb
}
func (ms *ManagedState) RemoveNonce(addr []byte, n uint64) {
func (ms *ManagedState) RemoveNonce(addr common.Address, n uint64) {
if ms.hasAccount(addr) {
ms.mu.Lock()
defer ms.mu.Unlock()
@ -43,7 +47,7 @@ func (ms *ManagedState) RemoveNonce(addr []byte, n uint64) {
}
}
func (ms *ManagedState) NewNonce(addr []byte) uint64 {
func (ms *ManagedState) NewNonce(addr common.Address) uint64 {
ms.mu.RLock()
defer ms.mu.RUnlock()
@ -57,26 +61,27 @@ func (ms *ManagedState) NewNonce(addr []byte) uint64 {
return uint64(len(account.nonces)) + account.nstart
}
func (ms *ManagedState) hasAccount(addr []byte) bool {
_, ok := ms.accounts[string(addr)]
func (ms *ManagedState) hasAccount(addr common.Address) bool {
_, ok := ms.accounts[addr.Str()]
return ok
}
func (ms *ManagedState) getAccount(addr []byte) *account {
if account, ok := ms.accounts[string(addr)]; !ok {
func (ms *ManagedState) getAccount(addr common.Address) *account {
straddr := addr.Str()
if account, ok := ms.accounts[straddr]; !ok {
so := ms.GetOrNewStateObject(addr)
ms.accounts[string(addr)] = newAccount(so)
ms.accounts[straddr] = newAccount(so)
} else {
// Always make sure the state account nonce isn't actually higher
// than the tracked one.
so := ms.StateDB.GetStateObject(addr)
if so != nil && uint64(len(account.nonces))+account.nstart < so.nonce {
ms.accounts[string(addr)] = newAccount(so)
ms.accounts[straddr] = newAccount(so)
}
}
return ms.accounts[string(addr)]
return ms.accounts[straddr]
}
func newAccount(so *StateObject) *account {

12
state/managed_state_test.go
View File

@ -6,15 +6,15 @@ import (
"github.com/ethereum/go-ethereum/common"
)
var addr = common.Address([]byte("test"))
var addr = common.BytesToAddress([]byte("test"))
func create() (*ManagedState, *account) {
ms := ManageState(&StateDB{stateObjects: make(map[string]*StateObject)})
so := &StateObject{address: addr, nonce: 100}
ms.StateDB.stateObjects[string(addr)] = so
ms.accounts[string(addr)] = newAccount(so)
ms.StateDB.stateObjects[addr.Str()] = so
ms.accounts[addr.Str()] = newAccount(so)
return ms, ms.accounts[string(addr)]
return ms, ms.accounts[addr.Str()]
}
func TestNewNonce(t *testing.T) {
@ -73,7 +73,7 @@ func TestRemoteNonceChange(t *testing.T) {
account.nonces = append(account.nonces, nn...)
nonce := ms.NewNonce(addr)
ms.StateDB.stateObjects[string(addr)].nonce = 200
ms.StateDB.stateObjects[addr.Str()].nonce = 200
nonce = ms.NewNonce(addr)
if nonce != 200 {
t.Error("expected nonce after remote update to be", 201, "got", nonce)
@ -81,7 +81,7 @@ func TestRemoteNonceChange(t *testing.T) {
ms.NewNonce(addr)
ms.NewNonce(addr)
ms.NewNonce(addr)
ms.StateDB.stateObjects[string(addr)].nonce = 200
ms.StateDB.stateObjects[addr.Str()].nonce = 200
nonce = ms.NewNonce(addr)
if nonce != 204 {
t.Error("expected nonce after remote update to be", 201, "got", nonce)

38
state/state_object.go
View File

@ -44,7 +44,7 @@ type StateObject struct {
State *StateDB
// Address belonging to this account
address []byte
address common.Address
// The balance of the account
balance *big.Int
// The nonce of the account
@ -77,12 +77,12 @@ func (self *StateObject) Reset() {
self.State.Reset()
}
func NewStateObject(addr []byte, db common.Database) *StateObject {
func NewStateObject(address common.Address, db common.Database) *StateObject {
// This to ensure that it has 20 bytes (and not 0 bytes), thus left or right pad doesn't matter.
address := common.Address(addr)
//address := common.ToAddress(addr)
object := &StateObject{db: db, address: address, balance: new(big.Int), gasPool: new(big.Int), dirty: true}
object.State = New(nil, db) //New(trie.New(common.Config.Db, ""))
object.State = New(common.Hash{}, db) //New(trie.New(common.Config.Db, ""))
object.storage = make(Storage)
object.gasPool = new(big.Int)
object.prepaid = new(big.Int)
@ -90,12 +90,12 @@ func NewStateObject(addr []byte, db common.Database) *StateObject {
return object
}
func NewStateObjectFromBytes(address, data []byte, db common.Database) *StateObject {
func NewStateObjectFromBytes(address common.Address, data []byte, db common.Database) *StateObject {
// TODO clean me up
var extobject struct {
Nonce uint64
Balance *big.Int
Root []byte
Root common.Hash
CodeHash []byte
}
err := rlp.Decode(bytes.NewReader(data), &extobject)
@ -124,8 +124,8 @@ func (self *StateObject) MarkForDeletion() {
statelogger.Debugf("%x: #%d %v X\n", self.Address(), self.nonce, self.balance)
}
func (c *StateObject) getAddr(addr []byte) *common.Value {
return common.NewValueFromBytes([]byte(c.State.trie.Get(addr)))
func (c *StateObject) getAddr(addr common.Hash) *common.Value {
return common.NewValueFromBytes([]byte(c.State.trie.Get(addr[:])))
}
func (c *StateObject) setAddr(addr []byte, value interface{}) {
@ -133,34 +133,32 @@ func (c *StateObject) setAddr(addr []byte, value interface{}) {
}
func (self *StateObject) GetStorage(key *big.Int) *common.Value {
return self.GetState(key.Bytes())
return self.GetState(common.BytesToHash(key.Bytes()))
}
func (self *StateObject) SetStorage(key *big.Int, value *common.Value) {
self.SetState(key.Bytes(), value)
self.SetState(common.BytesToHash(key.Bytes()), value)
}
func (self *StateObject) Storage() Storage {
return self.storage
}
func (self *StateObject) GetState(k []byte) *common.Value {
key := common.LeftPadBytes(k, 32)
value := self.storage[string(key)]
func (self *StateObject) GetState(key common.Hash) *common.Value {
strkey := key.Str()
value := self.storage[strkey]
if value == nil {
value = self.getAddr(key)
if !value.IsNil() {
self.storage[string(key)] = value
self.storage[strkey] = value
}
}
return value
}
func (self *StateObject) SetState(k []byte, value *common.Value) {
key := common.LeftPadBytes(k, 32)
self.storage[string(key)] = value.Copy()
func (self *StateObject) SetState(k common.Hash, value *common.Value) {
self.storage[k.Str()] = value.Copy()
self.dirty = true
}
@ -284,7 +282,7 @@ func (c *StateObject) N() *big.Int {
}
// Returns the address of the contract/account
func (c *StateObject) Address() []byte {
func (c *StateObject) Address() common.Address {
return c.address
}
@ -341,7 +339,7 @@ func (c *StateObject) RlpDecode(data []byte) {
decoder := common.NewValueFromBytes(data)
c.nonce = decoder.Get(0).Uint()
c.balance = decoder.Get(1).BigInt()
c.State = New(decoder.Get(2).Bytes(), c.db) //New(trie.New(common.Config.Db, decoder.Get(2).Interface()))
c.State = New(common.BytesToHash(decoder.Get(2).Bytes()), c.db) //New(trie.New(common.Config.Db, decoder.Get(2).Interface()))
c.storage = make(map[string]*common.Value)
c.gasPool = new(big.Int)

24
state/state_test.go
View File

@ -1,7 +1,6 @@
package state
import (
"fmt"
"math/big"
"testing"
@ -17,15 +16,16 @@ type StateSuite struct {
var _ = checker.Suite(&StateSuite{})
// var ZeroHash256 = make([]byte, 32)
var toAddr = common.BytesToAddress
func (s *StateSuite) TestDump(c *checker.C) {
return
// generate a few entries
obj1 := s.state.GetOrNewStateObject([]byte{0x01})
obj1 := s.state.GetOrNewStateObject(toAddr([]byte{0x01}))
obj1.AddBalance(big.NewInt(22))
obj2 := s.state.GetOrNewStateObject([]byte{0x01, 0x02})
obj2 := s.state.GetOrNewStateObject(toAddr([]byte{0x01, 0x02}))
obj2.SetCode([]byte{3, 3, 3, 3, 3, 3, 3})
obj3 := s.state.GetOrNewStateObject([]byte{0x02})
obj3 := s.state.GetOrNewStateObject(toAddr([]byte{0x02}))
obj3.SetBalance(big.NewInt(44))
// write some of them to the trie
@ -60,27 +60,25 @@ func (s *StateSuite) TestDump(c *checker.C) {
func (s *StateSuite) SetUpTest(c *checker.C) {
db, _ := ethdb.NewMemDatabase()
s.state = New(nil, db)
s.state = New(common.Hash{}, db)
}
func TestNull(t *testing.T) {
db, _ := ethdb.NewMemDatabase()
state := New(nil, db)
state := New(common.Hash{}, db)
address := common.FromHex("0x823140710bf13990e4500136726d8b55")
address := common.HexToAddress("0x823140710bf13990e4500136726d8b55")
state.NewStateObject(address)
//value := common.FromHex("0x823140710bf13990e4500136726d8b55")
value := make([]byte, 16)
fmt.Println("test it here", common.NewValue(value))
state.SetState(address, []byte{0}, value)
state.SetState(address, common.Hash{}, value)
state.Update(nil)
state.Sync()
value = state.GetState(address, []byte{0})
fmt.Printf("res: %x\n", value)
value = state.GetState(address, common.Hash{})
}
func (s *StateSuite) TestSnapshot(c *checker.C) {
stateobjaddr := []byte("aa")
stateobjaddr := toAddr([]byte("aa"))
storageaddr := common.Big("0")
data1 := common.NewValue(42)
data2 := common.NewValue(43)

69
state/statedb.go
View File

@ -28,8 +28,8 @@ type StateDB struct {
}
// Create a new state from a given trie
func New(root []byte, db common.Database) *StateDB {
trie := trie.NewSecure(common.CopyBytes(root), db)
func New(root common.Hash, db common.Database) *StateDB {
trie := trie.NewSecure(root[:], db)
return &StateDB{db: db, trie: trie, stateObjects: make(map[string]*StateObject), refund: make(map[string]*big.Int)}
}
@ -49,15 +49,16 @@ func (self *StateDB) Logs() Logs {
return self.logs
}
func (self *StateDB) Refund(addr []byte, gas *big.Int) {
if self.refund[string(addr)] == nil {
self.refund[string(addr)] = new(big.Int)
func (self *StateDB) Refund(address common.Address, gas *big.Int) {
addr := address.Str()
if self.refund[addr] == nil {
self.refund[addr] = new(big.Int)
}
self.refund[string(addr)].Add(self.refund[string(addr)], gas)
self.refund[addr].Add(self.refund[addr], gas)
}
// Retrieve the balance from the given address or 0 if object not found
func (self *StateDB) GetBalance(addr []byte) *big.Int {
func (self *StateDB) GetBalance(addr common.Address) *big.Int {
stateObject := self.GetStateObject(addr)
if stateObject != nil {
return stateObject.balance
@ -66,14 +67,14 @@ func (self *StateDB) GetBalance(addr []byte) *big.Int {
return common.Big0
}
func (self *StateDB) AddBalance(addr []byte, amount *big.Int) {
func (self *StateDB) AddBalance(addr common.Address, amount *big.Int) {
stateObject := self.GetStateObject(addr)
if stateObject != nil {
stateObject.AddBalance(amount)
}
}
func (self *StateDB) GetNonce(addr []byte) uint64 {
func (self *StateDB) GetNonce(addr common.Address) uint64 {
stateObject := self.GetStateObject(addr)
if stateObject != nil {
return stateObject.nonce
@ -82,7 +83,7 @@ func (self *StateDB) GetNonce(addr []byte) uint64 {
return 0
}
func (self *StateDB) GetCode(addr []byte) []byte {
func (self *StateDB) GetCode(addr common.Address) []byte {
stateObject := self.GetStateObject(addr)
if stateObject != nil {
return stateObject.code
@ -91,7 +92,7 @@ func (self *StateDB) GetCode(addr []byte) []byte {
return nil
}
func (self *StateDB) GetState(a, b []byte) []byte {
func (self *StateDB) GetState(a common.Address, b common.Hash) []byte {
stateObject := self.GetStateObject(a)
if stateObject != nil {
return stateObject.GetState(b).Bytes()
@ -100,28 +101,28 @@ func (self *StateDB) GetState(a, b []byte) []byte {
return nil
}
func (self *StateDB) SetNonce(addr []byte, nonce uint64) {
func (self *StateDB) SetNonce(addr common.Address, nonce uint64) {
stateObject := self.GetStateObject(addr)
if stateObject != nil {
stateObject.SetNonce(nonce)
}
}
func (self *StateDB) SetCode(addr, code []byte) {
func (self *StateDB) SetCode(addr common.Address, code []byte) {
stateObject := self.GetStateObject(addr)
if stateObject != nil {
stateObject.SetCode(code)
}
}
func (self *StateDB) SetState(addr, key []byte, value interface{}) {
func (self *StateDB) SetState(addr common.Address, key common.Hash, value interface{}) {
stateObject := self.GetStateObject(addr)
if stateObject != nil {
stateObject.SetState(key, common.NewValue(value))
}
}
func (self *StateDB) Delete(addr []byte) bool {
func (self *StateDB) Delete(addr common.Address) bool {
stateObject := self.GetStateObject(addr)
if stateObject != nil {
stateObject.MarkForDeletion()
@ -133,7 +134,7 @@ func (self *StateDB) Delete(addr []byte) bool {
return false
}
func (self *StateDB) IsDeleted(addr []byte) bool {
func (self *StateDB) IsDeleted(addr common.Address) bool {
stateObject := self.GetStateObject(addr)
if stateObject != nil {
return stateObject.remove
@ -147,32 +148,34 @@ func (self *StateDB) IsDeleted(addr []byte) bool {
// Update the given state object and apply it to state trie
func (self *StateDB) UpdateStateObject(stateObject *StateObject) {
addr := stateObject.Address()
//addr := stateObject.Address()
if len(stateObject.CodeHash()) > 0 {
self.db.Put(stateObject.CodeHash(), stateObject.code)
}
self.trie.Update(addr, stateObject.RlpEncode())
addr := stateObject.Address()
self.trie.Update(addr[:], stateObject.RlpEncode())
}
// Delete the given state object and delete it from the state trie
func (self *StateDB) DeleteStateObject(stateObject *StateObject) {
self.trie.Delete(stateObject.Address())
addr := stateObject.Address()
self.trie.Delete(addr[:])
delete(self.stateObjects, string(stateObject.Address()))
delete(self.stateObjects, addr.Str())
}
// Retrieve a state object given my the address. Nil if not found
func (self *StateDB) GetStateObject(addr []byte) *StateObject {
addr = common.Address(addr)
func (self *StateDB) GetStateObject(addr common.Address) *StateObject {
//addr = common.Address(addr)
stateObject := self.stateObjects[string(addr)]
stateObject := self.stateObjects[addr.Str()]
if stateObject != nil {
return stateObject
}
data := self.trie.Get(addr)
data := self.trie.Get(addr[:])
if len(data) == 0 {
return nil
}
@ -184,11 +187,11 @@ func (self *StateDB) GetStateObject(addr []byte) *StateObject {
}
func (self *StateDB) SetStateObject(object *StateObject) {
self.stateObjects[string(object.address)] = object
self.stateObjects[object.Address().Str()] = object
}
// Retrieve a state object or create a new state object if nil
func (self *StateDB) GetOrNewStateObject(addr []byte) *StateObject {
func (self *StateDB) GetOrNewStateObject(addr common.Address) *StateObject {
stateObject := self.GetStateObject(addr)
if stateObject == nil {
stateObject = self.NewStateObject(addr)
@ -198,19 +201,19 @@ func (self *StateDB) GetOrNewStateObject(addr []byte) *StateObject {
}
// Create a state object whether it exist in the trie or not
func (self *StateDB) NewStateObject(addr []byte) *StateObject {
addr = common.Address(addr)
func (self *StateDB) NewStateObject(addr common.Address) *StateObject {
//addr = common.Address(addr)
statelogger.Debugf("(+) %x\n", addr)
stateObject := NewStateObject(addr, self.db)
self.stateObjects[string(addr)] = stateObject
self.stateObjects[addr.Str()] = stateObject
return stateObject
}
// Deprecated
func (self *StateDB) GetAccount(addr []byte) *StateObject {
func (self *StateDB) GetAccount(addr common.Address) *StateObject {
return self.GetOrNewStateObject(addr)
}
@ -223,7 +226,7 @@ func (s *StateDB) Cmp(other *StateDB) bool {
}
func (self *StateDB) Copy() *StateDB {
state := New(nil, self.db)
state := New(common.Hash{}, self.db)
state.trie = self.trie.Copy()
for k, stateObject := range self.stateObjects {
state.stateObjects[k] = stateObject.Copy()
@ -248,8 +251,8 @@ func (self *StateDB) Set(state *StateDB) {
self.logs = state.logs
}
func (s *StateDB) Root() []byte {
return s.trie.Root()
func (s *StateDB) Root() common.Hash {
return common.BytesToHash(s.trie.Root())
}
func (s *StateDB) Trie() *trie.SecureTrie {

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