plugeth/common/natspec/natspec_e2e_test.go

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// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
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//
// The go-ethereum library is free software: you can redistribute it and/or modify
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// 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.
//
// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package natspec
import (
"fmt"
"io/ioutil"
"math/big"
"os"
"path/filepath"
"runtime"
"testing"
"time"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/httpclient"
"github.com/ethereum/go-ethereum/common/registrar"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/node"
xe "github.com/ethereum/go-ethereum/xeth"
)
const (
testAddress = "0x8605cdbbdb6d264aa742e77020dcbc58fcdce182"
testBalance = "10000000000000000000"
testKey = "e6fab74a43941f82d89cb7faa408e227cdad3153c4720e540e855c19b15e6674"
testFileName = "long_file_name_for_testing_registration_of_URLs_longer_than_32_bytes.content"
testNotice = "Register key `utils.toHex(_key)` <- content `utils.toHex(_content)`"
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testExpNotice = "Register key 0xadd1a7d961cff0242089674ec2ef6fca671ab15e1fe80e38859fc815b98d88ab <- content 0xb3a2dea218de5d8bbe6c4645aadbf67b5ab00ecb1a9ec95dbdad6a0eed3e41a7"
testExpNotice2 = `About to submit transaction (NatSpec notice error: abi key does not match any method): {"params":[{"to":"%s","data": "0x31e12c20"}]}`
testExpNotice3 = `About to submit transaction (no NatSpec info found for contract: HashToHash: content hash not found for '0x1392c62d05b2d149e22a339c531157ae06b44d39a674cce500064b12b9aeb019'): {"params":[{"to":"%s","data": "0x300a3bbfb3a2dea218de5d8bbe6c4645aadbf67b5ab00ecb1a9ec95dbdad6a0eed3e41a7000000000000000000000000000000000000000000000000000000000000000000000000000000000000000066696c653a2f2f2f746573742e636f6e74656e74"}]}`
)
const (
testUserDoc = `
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{
"methods": {
"register(uint256,uint256)": {
"notice": "` + testNotice + `"
}
},
"invariants": [
{ "notice": "" }
],
"construction": [
{ "notice": "" }
]
}
`
testAbiDefinition = `
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[{
"name": "register",
"constant": false,
"type": "function",
"inputs": [{
"name": "_key",
"type": "uint256"
}, {
"name": "_content",
"type": "uint256"
}],
"outputs": []
}]
`
testContractInfo = `
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{
"userDoc": ` + testUserDoc + `,
"abiDefinition": ` + testAbiDefinition + `
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}
`
)
type testFrontend struct {
t *testing.T
ethereum *eth.Ethereum
xeth *xe.XEth
wait chan *big.Int
lastConfirm string
wantNatSpec bool
}
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func (self *testFrontend) AskPassword() (string, bool) {
return "", true
}
func (self *testFrontend) UnlockAccount(acc []byte) bool {
self.ethereum.AccountManager().Unlock(common.BytesToAddress(acc), "password")
return true
}
func (self *testFrontend) ConfirmTransaction(tx string) bool {
if self.wantNatSpec {
client := httpclient.New("/tmp/")
self.lastConfirm = GetNotice(self.xeth, tx, client)
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}
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return true
}
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func testEth(t *testing.T) (ethereum *eth.Ethereum, err error) {
tmp, err := ioutil.TempDir("", "natspec-test")
if err != nil {
t.Fatal(err)
}
db, _ := ethdb.NewMemDatabase()
addr := common.HexToAddress(testAddress)
core.WriteGenesisBlockForTesting(db, core.GenesisAccount{addr, common.String2Big(testBalance)})
ks := crypto.NewKeyStorePassphrase(filepath.Join(tmp, "keystore"), crypto.LightScryptN, crypto.LightScryptP)
am := accounts.NewManager(ks)
keyb, err := crypto.HexToECDSA(testKey)
if err != nil {
t.Fatal(err)
}
key := crypto.NewKeyFromECDSA(keyb)
err = ks.StoreKey(key, "")
if err != nil {
t.Fatal(err)
}
err = am.Unlock(key.Address, "")
if err != nil {
t.Fatal(err)
}
// only use minimalistic stack with no networking
return eth.New(&node.ServiceContext{EventMux: new(event.TypeMux)}, &eth.Config{
AccountManager: am,
Etherbase: common.HexToAddress(testAddress),
PowTest: true,
TestGenesisState: db,
GpoMinGasPrice: common.Big1,
GpobaseCorrectionFactor: 1,
GpoMaxGasPrice: common.Big1,
})
}
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func testInit(t *testing.T) (self *testFrontend) {
// initialise and start minimal ethereum stack
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ethereum, err := testEth(t)
if err != nil {
t.Errorf("error creating ethereum: %v", err)
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return
}
err = ethereum.Start(nil)
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if err != nil {
t.Errorf("error starting ethereum: %v", err)
return
}
// mock frontend
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self = &testFrontend{t: t, ethereum: ethereum}
self.xeth = xe.New(nil, self)
self.wait = self.xeth.UpdateState()
addr, _ := self.ethereum.Etherbase()
// initialise the registry contracts
reg := registrar.New(self.xeth)
registrar.GlobalRegistrarAddr = "0x0"
var txG, txH, txU string
txG, err = reg.SetGlobalRegistrar("", addr)
if err != nil {
t.Fatalf("error creating GlobalRegistrar: %v", err)
}
if !processTxs(self, t, 1) {
t.Fatalf("error mining txs")
}
recG := self.xeth.GetTxReceipt(common.HexToHash(txG))
if recG == nil {
t.Fatalf("blockchain error creating GlobalRegistrar")
}
registrar.GlobalRegistrarAddr = recG.ContractAddress.Hex()
txH, err = reg.SetHashReg("", addr)
if err != nil {
t.Errorf("error creating HashReg: %v", err)
}
if !processTxs(self, t, 1) {
t.Errorf("error mining txs")
}
recH := self.xeth.GetTxReceipt(common.HexToHash(txH))
if recH == nil {
t.Fatalf("blockchain error creating HashReg")
}
registrar.HashRegAddr = recH.ContractAddress.Hex()
txU, err = reg.SetUrlHint("", addr)
if err != nil {
t.Errorf("error creating UrlHint: %v", err)
}
if !processTxs(self, t, 1) {
t.Errorf("error mining txs")
}
recU := self.xeth.GetTxReceipt(common.HexToHash(txU))
if recU == nil {
t.Fatalf("blockchain error creating UrlHint")
}
registrar.UrlHintAddr = recU.ContractAddress.Hex()
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return
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}
// end to end test
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func TestNatspecE2E(t *testing.T) {
t.Skip()
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tf := testInit(t)
defer tf.ethereum.Stop()
addr, _ := tf.ethereum.Etherbase()
// create a contractInfo file (mock cloud-deployed contract metadocs)
// incidentally this is the info for the HashReg contract itself
ioutil.WriteFile("/tmp/"+testFileName, []byte(testContractInfo), os.ModePerm)
dochash := crypto.Sha3Hash([]byte(testContractInfo))
// take the codehash for the contract we wanna test
codeb := tf.xeth.CodeAtBytes(registrar.HashRegAddr)
codehash := crypto.Sha3Hash(codeb)
reg := registrar.New(tf.xeth)
_, err := reg.SetHashToHash(addr, codehash, dochash)
if err != nil {
t.Errorf("error registering: %v", err)
}
_, err = reg.SetUrlToHash(addr, dochash, "file:///"+testFileName)
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if err != nil {
t.Errorf("error registering: %v", err)
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}
if !processTxs(tf, t, 5) {
return
}
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// NatSpec info for register method of HashReg contract installed
// now using the same transactions to check confirm messages
tf.wantNatSpec = true // this is set so now the backend uses natspec confirmation
_, err = reg.SetHashToHash(addr, codehash, dochash)
if err != nil {
t.Errorf("error calling contract registry: %v", err)
}
fmt.Printf("GlobalRegistrar: %v, HashReg: %v, UrlHint: %v\n", registrar.GlobalRegistrarAddr, registrar.HashRegAddr, registrar.UrlHintAddr)
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if tf.lastConfirm != testExpNotice {
t.Errorf("Wrong confirm message. expected\n'%v', got\n'%v'", testExpNotice, tf.lastConfirm)
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}
// test unknown method
exp := fmt.Sprintf(testExpNotice2, registrar.HashRegAddr)
_, err = reg.SetOwner(addr)
if err != nil {
t.Errorf("error setting owner: %v", err)
}
if tf.lastConfirm != exp {
t.Errorf("Wrong confirm message, expected\n'%v', got\n'%v'", exp, tf.lastConfirm)
}
// test unknown contract
exp = fmt.Sprintf(testExpNotice3, registrar.UrlHintAddr)
_, err = reg.SetUrlToHash(addr, dochash, "file:///test.content")
if err != nil {
t.Errorf("error registering: %v", err)
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}
if tf.lastConfirm != exp {
t.Errorf("Wrong confirm message, expected '%v', got '%v'", exp, tf.lastConfirm)
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}
}
func pendingTransactions(repl *testFrontend, t *testing.T) (txc int64, err error) {
txs := repl.ethereum.TxPool().GetTransactions()
return int64(len(txs)), nil
}
func processTxs(repl *testFrontend, t *testing.T, expTxc int) bool {
var txc int64
var err error
for i := 0; i < 50; i++ {
txc, err = pendingTransactions(repl, t)
if err != nil {
t.Errorf("unexpected error checking pending transactions: %v", err)
return false
}
if expTxc < int(txc) {
t.Errorf("too many pending transactions: expected %v, got %v", expTxc, txc)
return false
} else if expTxc == int(txc) {
break
}
time.Sleep(100 * time.Millisecond)
}
if int(txc) != expTxc {
t.Errorf("incorrect number of pending transactions, expected %v, got %v", expTxc, txc)
return false
}
err = repl.ethereum.StartMining(runtime.NumCPU(), "")
if err != nil {
t.Errorf("unexpected error mining: %v", err)
return false
}
defer repl.ethereum.StopMining()
timer := time.NewTimer(100 * time.Second)
height := new(big.Int).Add(repl.xeth.CurrentBlock().Number(), big.NewInt(1))
repl.wait <- height
select {
case <-timer.C:
// if times out make sure the xeth loop does not block
go func() {
select {
case repl.wait <- nil:
case <-repl.wait:
}
}()
case <-repl.wait:
}
txc, err = pendingTransactions(repl, t)
if err != nil {
t.Errorf("unexpected error checking pending transactions: %v", err)
return false
}
if txc != 0 {
t.Errorf("%d trasactions were not mined", txc)
return false
}
return true
}