cerc-io/ipld-eth-server
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fix broken go-ipld-eth trie node dag putters

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This commit is contained in:
Ian Norden 2020-02-10 11:11:44 -06:00
parent ca273a026d
commit 5173edf563
14 changed files with 135 additions and 592 deletions
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2
db/migrations/00012_create_eth_header_cids_table.sql
View File

@ -5,7 +5,7 @@ CREATE TABLE eth.header_cids (
block_hash VARCHAR(66) NOT NULL,
parent_hash VARCHAR(66) NOT NULL,
cid TEXT NOT NULL,
td BIGINT,
td NUMERIC NOT NULL,
node_id INTEGER NOT NULL REFERENCES nodes (id) ON DELETE CASCADE,
UNIQUE (block_number, block_hash)
);

2
db/schema.sql
View File

@ -183,7 +183,7 @@ CREATE TABLE eth.header_cids (
block_hash character varying(66) NOT NULL,
parent_hash character varying(66) NOT NULL,
cid text NOT NULL,
td bigint,
td numeric NOT NULL,
node_id integer NOT NULL
);

26
environments/btcSuperNode.toml Normal file
View File

@ -0,0 +1,26 @@
[superNode]
chain = "bitcoin"
ipfsPath = "/root/.ipfs"
[superNode.database]
name = "vulcanize_public"
hostname = "localhost"
port = 5432
user = "ec2-user"
[superNode.sync]
on = true
wsPath = "http://127.0.0.1:8332"
workers = 1
[superNode.server]
on = true
ipcPath = "/root/.vulcanize/btc/vulcanize.ipc"
wsPath = "127.0.0.1:8082"
httpPath = "127.0.0.1:8083"
[superNode.backFill]
on = true
httpPath = "http://127.0.0.1:8332"
frequency = 5
batchSize = 50

26
environments/ethSuperNode.toml Normal file
View File

@ -0,0 +1,26 @@
[superNode]
chain = "ethereum"
ipfsPath = "/root/.ipfs"
[superNode.database]
name = "vulcanize_public"
hostname = "localhost"
port = 5432
user = "ec2-user"
[superNode.sync]
on = true
wsPath = "ws://127.0.0.1:8546"
workers = 1
[superNode.server]
on = true
ipcPath = "/root/.vulcanize/eth/vulcanize.ipc"
wsPath = "127.0.0.1:8080"
httpPath = "127.0.0.1:8081"
[superNode.backFill]
on = true
httpPath = "http://127.0.0.1:8545"
frequency = 5
batchSize = 50

19
pkg/ipfs/ipld/btc_header.go
View File

@ -59,25 +59,6 @@ func NewBtcHeader(header *wire.BlockHeader) (*BtcHeader, error) {
}, nil
}
/*
OUTPUT
*/
// DecodeBtcHeader takes a cid and its raw binary data
// from IPFS and returns an BtcHeader object for further processing.
func DecodeBtcHeader(c cid.Cid, b []byte) (*BtcHeader, error) {
var h *wire.BlockHeader
w := bytes.NewBuffer(b)
if err := h.Deserialize(w); err != nil {
return nil, err
}
return &BtcHeader{
BlockHeader: h,
cid: c,
rawdata: b,
}, nil
}
/*
Block INTERFACE
*/

19
pkg/ipfs/ipld/btc_tx.go
View File

@ -44,25 +44,6 @@ func NewBtcTx(tx *wire.MsgTx) (*BtcTx, error) {
}, nil
}
/*
OUTPUT
*/
// DecodeBtcTx takes a cid and its raw binary data
// from IPFS and returns an BtcTx object for further processing.
func DecodeBtcTx(c cid.Cid, b []byte) (*BtcTx, error) {
var tx *wire.MsgTx
w := bytes.NewBuffer(b)
if err := tx.Deserialize(w); err != nil {
return nil, err
}
return &BtcTx{
MsgTx: tx,
cid: c,
rawdata: b,
}, nil
}
/*
Block INTERFACE
*/

18
pkg/ipfs/ipld/eth_header.go
View File

@ -60,24 +60,6 @@ func NewEthHeader(header *types.Header) (*EthHeader, error) {
}, nil
}
/*
OUTPUT
*/
// DecodeEthHeader takes a cid and its raw binary data
// from IPFS and returns an EthHeader object for further processing.
func DecodeEthHeader(c cid.Cid, b []byte) (*EthHeader, error) {
var h *types.Header
if err := rlp.DecodeBytes(b, h); err != nil {
return nil, err
}
return &EthHeader{
Header: h,
cid: c,
rawdata: b,
}, nil
}
/*
Block INTERFACE
*/

18
pkg/ipfs/ipld/eth_receipt.go
View File

@ -59,24 +59,6 @@ func NewReceipt(receipt *types.ReceiptForStorage) (*EthReceipt, error) {
}, nil
}
/*
OUTPUT
*/
// DecodeEthReceipt takes a cid and its raw binary data
// from IPFS and returns an EthReceipt object for further processing.
func DecodeEthReceipt(c cid.Cid, b []byte) (*EthReceipt, error) {
var r *types.ReceiptForStorage
if err := rlp.DecodeBytes(b, r); err != nil {
return nil, err
}
return &EthReceipt{
ReceiptForStorage: r,
cid: c,
rawdata: b,
}, nil
}
/*
Block INTERFACE
*/

70
pkg/ipfs/ipld/eth_state.go
View File

@ -19,7 +19,6 @@ package ipld
import (
"fmt"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ipfs/go-cid"
node "github.com/ipfs/go-ipld-format"
mh "github.com/multiformats/go-multihash"
@ -28,7 +27,8 @@ import (
// EthStateTrie (eth-state-trie, codec 0x96), represents
// a node from the state trie in ethereum.
type EthStateTrie struct {
*TrieNode
cid cid.Cid
rawdata []byte
}
// Static (compile time) check that EthStateTrie satisfies the node.Node interface.
@ -45,40 +45,9 @@ func FromStateTrieRLP(stateNodeRLP []byte) (*EthStateTrie, error) {
if err != nil {
return nil, err
}
return DecodeEthStateTrie(c, stateNodeRLP)
}
/*
OUTPUT
*/
// DecodeEthStateTrie returns an EthStateTrie object from its cid and rawdata.
func DecodeEthStateTrie(c cid.Cid, b []byte) (*EthStateTrie, error) {
tn, err := decodeTrieNode(c, b, decodeEthStateTrieLeaf)
if err != nil {
return nil, err
}
return &EthStateTrie{TrieNode: tn}, nil
}
// decodeEthStateTrieLeaf parses a eth-tx-trie leaf
// from decoded RLP elements
func decodeEthStateTrieLeaf(i []interface{}) ([]interface{}, error) {
var account EthAccount
if err := rlp.DecodeBytes(i[1].([]byte), &account); err != nil {
return nil, err
}
c, err := rawdataToCid(MEthAccountSnapshot, i[1].([]byte), mh.KECCAK_256)
if err != nil {
return nil, err
}
return []interface{}{
i[0].([]byte),
&EthAccountSnapshot{
EthAccount: &account,
cid: c,
rawdata: i[1].([]byte),
},
return &EthStateTrie{
cid: c,
rawdata: stateNodeRLP,
}, nil
}
@ -101,6 +70,35 @@ func (st *EthStateTrie) String() string {
return fmt.Sprintf("<EthereumStateTrie %s>", st.cid)
}
// Copy will go away. It is here to comply with the Node interface.
func (*EthStateTrie) Copy() node.Node {
panic("implement me")
}
func (*EthStateTrie) Links() []*node.Link {
panic("implement me")
}
func (*EthStateTrie) Resolve(path []string) (interface{}, []string, error) {
panic("implement me")
}
func (*EthStateTrie) ResolveLink(path []string) (*node.Link, []string, error) {
panic("implement me")
}
func (*EthStateTrie) Size() (uint64, error) {
panic("implement me")
}
func (*EthStateTrie) Stat() (*node.NodeStat, error) {
panic("implement me")
}
func (*EthStateTrie) Tree(path string, depth int) []string {
panic("implement me")
}
// Loggable returns in a map the type of IPLD Link.
func (st *EthStateTrie) Loggable() map[string]interface{} {
return map[string]interface{}{

57
pkg/ipfs/ipld/eth_storage.go
View File

@ -27,7 +27,8 @@ import (
// EthStorageTrie (eth-storage-trie, codec 0x98), represents
// a node from the storage trie in ethereum.
type EthStorageTrie struct {
*TrieNode
cid cid.Cid
rawdata []byte
}
// Static (compile time) check that EthStorageTrie satisfies the node.Node interface.
@ -44,28 +45,9 @@ func FromStorageTrieRLP(storageNodeRLP []byte) (*EthStorageTrie, error) {
if err != nil {
return nil, err
}
return DecodeEthStorageTrie(c, storageNodeRLP)
}
/*
OUTPUT
*/
// DecodeEthStorageTrie returns an EthStorageTrie object from its cid and rawdata.
func DecodeEthStorageTrie(c cid.Cid, b []byte) (*EthStorageTrie, error) {
tn, err := decodeTrieNode(c, b, decodeEthStorageTrieLeaf)
if err != nil {
return nil, err
}
return &EthStorageTrie{TrieNode: tn}, nil
}
// decodeEthStorageTrieLeaf parses a eth-tx-trie leaf
// from decoded RLP elements
func decodeEthStorageTrieLeaf(i []interface{}) ([]interface{}, error) {
return []interface{}{
i[0].([]byte),
i[1].([]byte),
return &EthStorageTrie{
cid: c,
rawdata: storageNodeRLP,
}, nil
}
@ -88,6 +70,35 @@ func (st *EthStorageTrie) String() string {
return fmt.Sprintf("<EthereumStorageTrie %s>", st.cid)
}
// Copy will go away. It is here to comply with the Node interface.
func (*EthStorageTrie) Copy() node.Node {
panic("implement me")
}
func (*EthStorageTrie) Links() []*node.Link {
panic("implement me")
}
func (*EthStorageTrie) Resolve(path []string) (interface{}, []string, error) {
panic("implement me")
}
func (*EthStorageTrie) ResolveLink(path []string) (*node.Link, []string, error) {
panic("implement me")
}
func (*EthStorageTrie) Size() (uint64, error) {
panic("implement me")
}
func (*EthStorageTrie) Stat() (*node.NodeStat, error) {
panic("implement me")
}
func (*EthStorageTrie) Tree(path string, depth int) []string {
panic("implement me")
}
// Loggable returns in a map the type of IPLD Link.
func (st *EthStorageTrie) Loggable() map[string]interface{} {
return map[string]interface{}{

13
pkg/ipfs/ipld/shared.go
View File

@ -17,10 +17,7 @@
package ipld
import (
"bytes"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ipfs/go-cid"
mh "github.com/multiformats/go-multihash"
)
@ -90,13 +87,3 @@ func sha256ToCid(codec uint64, h []byte) cid.Cid {
return cid.NewCidV1(codec, hash)
}
// getRLP encodes the given object to RLP returning its bytes.
func getRLP(object interface{}) []byte {
buf := new(bytes.Buffer)
if err := rlp.Encode(buf, object); err != nil {
panic(err)
}
return buf.Bytes()
}

440
pkg/ipfs/ipld/trie_node.go
View File

@ -1,440 +0,0 @@
// VulcanizeDB
// Copyright © 2019 Vulcanize
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program 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 Affero General Public License for more details.
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package ipld
import (
"encoding/json"
"fmt"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ipfs/go-cid"
node "github.com/ipfs/go-ipld-format"
)
// TrieNode is the general abstraction for
//ethereum IPLD trie nodes.
type TrieNode struct {
// leaf, extension or branch
nodeKind string
// If leaf or extension: [0] is key, [1] is val.
// If branch: [0] - [16] are children.
elements []interface{}
// IPLD block information
cid cid.Cid
rawdata []byte
}
/*
OUTPUT
*/
type trieNodeLeafDecoder func([]interface{}) ([]interface{}, error)
// decodeTrieNode returns a TrieNode object from an IPLD block's
// cid and rawdata.
func decodeTrieNode(c cid.Cid, b []byte,
leafDecoder trieNodeLeafDecoder) (*TrieNode, error) {
var (
i, decoded, elements []interface{}
nodeKind string
err error
)
err = rlp.DecodeBytes(b, &i)
if err != nil {
return nil, err
}
codec := c.Type()
switch len(i) {
case 2:
nodeKind, decoded, err = decodeCompactKey(i)
if err != nil {
return nil, err
}
if nodeKind == "extension" {
elements, err = parseTrieNodeExtension(decoded, codec)
}
if nodeKind == "leaf" {
elements, err = leafDecoder(decoded)
}
if nodeKind != "extension" && nodeKind != "leaf" {
return nil, fmt.Errorf("unexpected nodeKind returned from decoder")
}
case 17:
nodeKind = "branch"
elements, err = parseTrieNodeBranch(i, codec)
if err != nil {
return nil, err
}
default:
return nil, fmt.Errorf("unknown trie node type")
}
return &TrieNode{
nodeKind: nodeKind,
elements: elements,
rawdata: b,
cid: c,
}, nil
}
// decodeCompactKey takes a compact key, and returns its nodeKind and value.
func decodeCompactKey(i []interface{}) (string, []interface{}, error) {
first := i[0].([]byte)
last := i[1].([]byte)
switch first[0] / 16 {
case '\x00':
return "extension", []interface{}{
nibbleToByte(first)[2:],
last,
}, nil
case '\x01':
return "extension", []interface{}{
nibbleToByte(first)[1:],
last,
}, nil
case '\x02':
return "leaf", []interface{}{
nibbleToByte(first)[2:],
last,
}, nil
case '\x03':
return "leaf", []interface{}{
nibbleToByte(first)[1:],
last,
}, nil
default:
return "", nil, fmt.Errorf("unknown hex prefix")
}
}
// parseTrieNodeExtension helper improves readability
func parseTrieNodeExtension(i []interface{}, codec uint64) ([]interface{}, error) {
return []interface{}{
i[0].([]byte),
keccak256ToCid(codec, i[1].([]byte)),
}, nil
}
// parseTrieNodeBranch helper improves readability
func parseTrieNodeBranch(i []interface{}, codec uint64) ([]interface{}, error) {
var out []interface{}
for _, vi := range i {
v := vi.([]byte)
switch len(v) {
case 0:
out = append(out, nil)
case 32:
out = append(out, keccak256ToCid(codec, v))
default:
return nil, fmt.Errorf("unrecognized object: %v", v)
}
}
return out, nil
}
/*
Node INTERFACE
*/
// Resolve resolves a path through this node, stopping at any link boundary
// and returning the object found as well as the remaining path to traverse
func (t *TrieNode) Resolve(p []string) (interface{}, []string, error) {
switch t.nodeKind {
case "extension":
return t.resolveTrieNodeExtension(p)
case "leaf":
return t.resolveTrieNodeLeaf(p)
case "branch":
return t.resolveTrieNodeBranch(p)
default:
return nil, nil, fmt.Errorf("nodeKind case not implemented")
}
}
// Tree lists all paths within the object under 'path', and up to the given depth.
// To list the entire object (similar to `find .`) pass "" and -1
func (t *TrieNode) Tree(p string, depth int) []string {
if p != "" || depth == 0 {
return nil
}
var out []string
switch t.nodeKind {
case "extension":
var val string
for _, e := range t.elements[0].([]byte) {
val += fmt.Sprintf("%x", e)
}
return []string{val}
case "branch":
for i, elem := range t.elements {
if _, ok := elem.(*cid.Cid); ok {
out = append(out, fmt.Sprintf("%x", i))
}
}
return out
default:
return nil
}
}
// ResolveLink is a helper function that calls resolve and asserts the
// output is a link
func (t *TrieNode) ResolveLink(p []string) (*node.Link, []string, error) {
obj, rest, err := t.Resolve(p)
if err != nil {
return nil, nil, err
}
lnk, ok := obj.(*node.Link)
if !ok {
return nil, nil, fmt.Errorf("was not a link")
}
return lnk, rest, nil
}
// Copy will go away. It is here to comply with the interface.
func (t *TrieNode) Copy() node.Node {
panic("dont use this yet")
}
// Links is a helper function that returns all links within this object
func (t *TrieNode) Links() []*node.Link {
var out []*node.Link
for _, i := range t.elements {
c, ok := i.(cid.Cid)
if ok {
out = append(out, &node.Link{Cid: c})
}
}
return out
}
// Stat will go away. It is here to comply with the interface.
func (t *TrieNode) Stat() (*node.NodeStat, error) {
return &node.NodeStat{}, nil
}
// Size will go away. It is here to comply with the interface.
func (t *TrieNode) Size() (uint64, error) {
return 0, nil
}
/*
TrieNode functions
*/
// MarshalJSON processes the transaction trie into readable JSON format.
func (t *TrieNode) MarshalJSON() ([]byte, error) {
var out map[string]interface{}
switch t.nodeKind {
case "extension":
fallthrough
case "leaf":
var hexPrefix string
for _, e := range t.elements[0].([]byte) {
hexPrefix += fmt.Sprintf("%x", e)
}
// if we got a byte we need to do this casting otherwise
// it will be marshaled to a base64 encoded value
if _, ok := t.elements[1].([]byte); ok {
var hexVal string
for _, e := range t.elements[1].([]byte) {
hexVal += fmt.Sprintf("%x", e)
}
t.elements[1] = hexVal
}
out = map[string]interface{}{
"type": t.nodeKind,
hexPrefix: t.elements[1],
}
case "branch":
out = map[string]interface{}{
"type": "branch",
"0": t.elements[0],
"1": t.elements[1],
"2": t.elements[2],
"3": t.elements[3],
"4": t.elements[4],
"5": t.elements[5],
"6": t.elements[6],
"7": t.elements[7],
"8": t.elements[8],
"9": t.elements[9],
"a": t.elements[10],
"b": t.elements[11],
"c": t.elements[12],
"d": t.elements[13],
"e": t.elements[14],
"f": t.elements[15],
}
default:
return nil, fmt.Errorf("nodeKind %s not supported", t.nodeKind)
}
return json.Marshal(out)
}
// nibbleToByte expands the nibbles of a byte slice into their own bytes.
func nibbleToByte(k []byte) []byte {
var out []byte
for _, b := range k {
out = append(out, b/16)
out = append(out, b%16)
}
return out
}
// Resolve reading conveniences
func (t *TrieNode) resolveTrieNodeExtension(p []string) (interface{}, []string, error) {
nibbles := t.elements[0].([]byte)
idx, rest := shiftFromPath(p, len(nibbles))
if len(idx) < len(nibbles) {
return nil, nil, fmt.Errorf("not enough nibbles to traverse this extension")
}
for _, i := range idx {
if getHexIndex(string(i)) == -1 {
return nil, nil, fmt.Errorf("invalid path element")
}
}
for i, n := range nibbles {
if string(idx[i]) != fmt.Sprintf("%x", n) {
return nil, nil, fmt.Errorf("no such link in this extension")
}
}
return &node.Link{Cid: t.elements[1].(cid.Cid)}, rest, nil
}
func (t *TrieNode) resolveTrieNodeLeaf(p []string) (interface{}, []string, error) {
nibbles := t.elements[0].([]byte)
if len(nibbles) != 0 {
idx, rest := shiftFromPath(p, len(nibbles))
if len(idx) < len(nibbles) {
return nil, nil, fmt.Errorf("not enough nibbles to traverse this leaf")
}
for _, i := range idx {
if getHexIndex(string(i)) == -1 {
return nil, nil, fmt.Errorf("invalid path element")
}
}
for i, n := range nibbles {
if string(idx[i]) != fmt.Sprintf("%x", n) {
return nil, nil, fmt.Errorf("no such link in this extension")
}
}
p = rest
}
link, ok := t.elements[1].(node.Node)
if !ok {
return nil, nil, fmt.Errorf("leaf children is not an IPLD node")
}
return link.Resolve(p)
}
func (t *TrieNode) resolveTrieNodeBranch(p []string) (interface{}, []string, error) {
idx, rest := shiftFromPath(p, 1)
hidx := getHexIndex(idx)
if hidx == -1 {
return nil, nil, fmt.Errorf("incorrect path")
}
child := t.elements[hidx]
if child != nil {
return &node.Link{Cid: child.(cid.Cid)}, rest, nil
}
return nil, nil, fmt.Errorf("no such link in this branch")
}
// shiftFromPath extracts from a given path (as a slice of strings)
// the given number of elements as a single string, returning whatever
// it has not taken.
//
// Examples:
// ["0", "a", "something"] and 1 -> "0" and ["a", "something"]
// ["ab", "c", "d", "1"] and 2 -> "ab" and ["c", "d", "1"]
// ["abc", "d", "1"] and 2 -> "ab" and ["c", "d", "1"]
func shiftFromPath(p []string, i int) (string, []string) {
var (
out string
rest []string
)
for _, pe := range p {
re := ""
for _, c := range pe {
if len(out) < i {
out += string(c)
} else {
re += string(c)
}
}
if len(out) == i && re != "" {
rest = append(rest, re)
}
}
return out, rest
}
// getHexIndex returns to you the integer 0 - 15 equivalent to your
// string character if applicable, or -1 otherwise.
func getHexIndex(s string) int {
if len(s) != 1 {
return -1
}
c := byte(s[0])
switch {
case '0' <= c && c <= '9':
return int(c - '0')
case 'a' <= c && c <= 'f':
return int(c - 'a' + 10)
}
return -1
}

14
pkg/super_node/eth/streamer.go
View File

@ -17,10 +17,11 @@
package eth
import (
"github.com/ethereum/go-ethereum/statediff"
"github.com/sirupsen/logrus"
"github.com/vulcanize/vulcanizedb/pkg/super_node/shared"
"github.com/vulcanize/vulcanizedb/pkg/eth/core"
"github.com/vulcanize/vulcanizedb/pkg/super_node/shared"
)
const (
@ -42,6 +43,15 @@ func NewPayloadStreamer(client core.RPCClient) *PayloadStreamer {
// Stream is the main loop for subscribing to data from the Geth state diff process
// Satisfies the shared.PayloadStreamer interface
func (ps *PayloadStreamer) Stream(payloadChan chan shared.RawChainData) (shared.ClientSubscription, error) {
stateDiffChan := make(chan statediff.Payload, PayloadChanBufferSize)
logrus.Info("streaming diffs from geth")
return ps.Client.Subscribe("statediff", payloadChan, "stream")
go func() {
for {
select {
case payload := <-stateDiffChan:
payloadChan <- payload
}
}
}()
return ps.Client.Subscribe("statediff", stateDiffChan, "stream")
}

3
pkg/super_node/eth/streamer_test.go
View File

@ -17,10 +17,10 @@ package eth_test
import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/pkg/super_node/shared"
"github.com/vulcanize/vulcanizedb/pkg/eth/fakes"
"github.com/vulcanize/vulcanizedb/pkg/super_node/eth"
"github.com/vulcanize/vulcanizedb/pkg/super_node/shared"
)
var _ = Describe("StateDiff Streamer", func() {
@ -30,6 +30,5 @@ var _ = Describe("StateDiff Streamer", func() {
payloadChan := make(chan shared.RawChainData)
_, err := streamer.Stream(payloadChan)
Expect(err).NotTo(HaveOccurred())
client.AssertSubscribeCalledWith("statediff", payloadChan, []interface{}{"stream"})
})
})