cerc-io/ipld-eth-server
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update eth backend

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This commit is contained in:
Ian Norden 2020-10-26 08:58:37 -05:00
parent ef2d8f789d
commit 4f4ab1dd4f
7 changed files with 421 additions and 237 deletions
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6
pkg/eth/api.go
View File

@ -145,11 +145,7 @@ func (pea *PublicEthAPI) getLogs(ctx context.Context, crit ethereum.FilterQuery)
startingBlock := crit.FromBlock
endingBlock := crit.ToBlock
if startingBlock == nil {
startingBlockInt, err := pea.B.Retriever.RetrieveFirstBlockNumber()
if err != nil {
return nil, err
}
startingBlock = big.NewInt(startingBlockInt)
startingBlock = common.Big0
}
if endingBlock == nil {
endingBlockInt, err := pea.B.Retriever.RetrieveLastBlockNumber()

336
pkg/eth/backend.go
View File

@ -21,6 +21,9 @@ import (
"errors"
"math/big"
"github.com/ethereum/go-ethereum/core/bloombits"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/common/math"
@ -36,7 +39,6 @@ import (
"github.com/ethereum/go-ethereum/rpc"
ipfsethdb "github.com/vulcanize/pg-ipfs-ethdb"
"github.com/vulcanize/ipld-eth-indexer/pkg/ipfs"
"github.com/vulcanize/ipld-eth-indexer/pkg/postgres"
"github.com/vulcanize/ipld-eth-server/pkg/shared"
)
@ -53,6 +55,12 @@ const (
RetrieveCanonicalHeaderByNumber = `SELECT cid, data FROM eth.header_cids
INNER JOIN public.blocks ON (header_cids.mh_key = blocks.key)
WHERE id = (SELECT canonical_header($1))`
RetrieveTD = `SELECT td FROM eth.header_cids
WHERE header_cids.block_hash = $1`
RetrieveRPCTransaction = `SELECT blocks.data, block_hash, block_number, index FROM public.blocks, eth.transaction_cids, eth.header_cids
WHERE blocks.key = transaction_cids.mh_key
AND transaction_cids.header_id = header_cids.id
AND transaction_cids.tx_hash = $1`
)
type Backend struct {
@ -92,6 +100,11 @@ func NewEthBackend(db *postgres.DB, c *Config) (*Backend, error) {
}, nil
}
// ChainDb returns the backend's underlying chain database
func (b *Backend) ChainDb() ethdb.Database {
return b.EthDB
}
// HeaderByNumber gets the canonical header for the provided block number
func (b *Backend) HeaderByNumber(ctx context.Context, blockNumber rpc.BlockNumber) (*types.Header, error) {
var err error
@ -133,12 +146,43 @@ func (b *Backend) HeaderByHash(ctx context.Context, hash common.Hash) (*types.He
return header, rlp.DecodeBytes(headerRLP, header)
}
// HeaderByNumberOrHash gets the header for the provided block hash or number
func (b *Backend) HeaderByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*types.Header, error) {
if blockNr, ok := blockNrOrHash.Number(); ok {
return b.HeaderByNumber(ctx, blockNr)
}
if hash, ok := blockNrOrHash.Hash(); ok {
header, err := b.HeaderByHash(ctx, hash)
if err != nil {
return nil, err
}
if header == nil {
return nil, errors.New("header for hash not found")
}
if blockNrOrHash.RequireCanonical && b.GetCanonicalHash(header.Number.Uint64()) != hash {
return nil, errors.New("hash is not currently canonical")
}
return header, nil
}
return nil, errors.New("invalid arguments; neither block nor hash specified")
}
// rpcMarshalHeader uses the generalized output filler, then adds the total difficulty field, which requires
// a `PublicEthAPI`.
func (pea *PublicEthAPI) rpcMarshalHeader(header *types.Header) (map[string]interface{}, error) {
fields := RPCMarshalHeader(header)
td, err := pea.B.GetTd(header.Hash())
if err != nil {
return nil, err
}
fields["totalDifficulty"] = (*hexutil.Big)(td)
return fields, nil
}
// GetTd gets the total difficulty at the given block hash
func (b *Backend) GetTd(blockHash common.Hash) (*big.Int, error) {
pgStr := `SELECT td FROM eth.header_cids
WHERE header_cids.block_hash = $1`
var tdStr string
err := b.DB.Get(&tdStr, pgStr, blockHash.String())
err := b.DB.Get(&tdStr, RetrieveTD, blockHash.String())
if err != nil {
return nil, err
}
@ -149,21 +193,38 @@ func (b *Backend) GetTd(blockHash common.Hash) (*big.Int, error) {
return td, nil
}
// GetLogs returns all the logs for the given block hash
func (b *Backend) GetLogs(ctx context.Context, hash common.Hash) ([][]*types.Log, error) {
_, receiptBytes, err := b.IPLDRetriever.RetrieveReceiptsByBlockHash(hash)
if err != nil {
return nil, err
// CurrentBlock returns the current block
func (b *Backend) CurrentBlock() *types.Block {
block, _ := b.BlockByNumber(context.Background(), rpc.LatestBlockNumber)
return block
}
// BlockByNumberOrHash returns block by number or hash
func (b *Backend) BlockByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*types.Block, error) {
if blockNr, ok := blockNrOrHash.Number(); ok {
return b.BlockByNumber(ctx, blockNr)
}
logs := make([][]*types.Log, len(receiptBytes))
for i, rctBytes := range receiptBytes {
var rct types.Receipt
if err := rlp.DecodeBytes(rctBytes, &rct); err != nil {
if hash, ok := blockNrOrHash.Hash(); ok {
header, err := b.HeaderByHash(ctx, hash)
if err != nil {
return nil, err
}
logs[i] = rct.Logs
if header == nil {
return nil, errors.New("header for hash not found")
}
if blockNrOrHash.RequireCanonical && b.GetCanonicalHash(header.Number.Uint64()) != hash {
return nil, errors.New("hash is not currently canonical")
}
block, err := b.BlockByHash(ctx, hash)
if err != nil {
return nil, err
}
if block == nil {
return nil, errors.New("header found, but block body is missing")
}
return block, nil
}
return logs, nil
return nil, errors.New("invalid arguments; neither block nor hash specified")
}
// BlockByNumber returns the requested canonical block.
@ -354,11 +415,7 @@ func (b *Backend) GetTransaction(ctx context.Context, txHash common.Hash) (*type
BlockNumber uint64 `db:"block_number"`
Index uint64 `db:"index"`
}
pgStr := `SELECT blocks.data, block_hash, block_number, index FROM public.blocks, eth.transaction_cids, eth.header_cids
WHERE blocks.key = transaction_cids.mh_key
AND transaction_cids.header_id = header_cids.id
AND transaction_cids.tx_hash = $1`
if err := b.DB.Get(&tempTxStruct, pgStr, txHash.String()); err != nil {
if err := b.DB.Get(&tempTxStruct, RetrieveRPCTransaction, txHash.String()); err != nil {
return nil, common.Hash{}, 0, 0, err
}
var transaction types.Transaction
@ -368,88 +425,38 @@ func (b *Backend) GetTransaction(ctx context.Context, txHash common.Hash) (*type
return &transaction, common.HexToHash(tempTxStruct.BlockHash), tempTxStruct.BlockNumber, tempTxStruct.Index, nil
}
// extractLogsOfInterest returns logs from the receipt IPLD
func extractLogsOfInterest(rctIPLDs []ipfs.BlockModel, wantedTopics [][]string) ([]*types.Log, error) {
var logs []*types.Log
for _, rctIPLD := range rctIPLDs {
rctRLP := rctIPLD
var rct types.Receipt
if err := rlp.DecodeBytes(rctRLP.Data, &rct); err != nil {
return nil, err
}
for _, log := range rct.Logs {
if wanted := wantedLog(wantedTopics, log.Topics); wanted == true {
logs = append(logs, log)
}
}
}
return logs, nil
}
// returns true if the log matches on the filter
func wantedLog(wantedTopics [][]string, actualTopics []common.Hash) bool {
// actualTopics will always have length <= 4
// wantedTopics will always have length 4
matches := 0
for i, actualTopic := range actualTopics {
// If we have topics in this filter slot, count as a match if the actualTopic matches one of the ones in this filter slot
if len(wantedTopics[i]) > 0 {
matches += sliceContainsHash(wantedTopics[i], actualTopic)
} else {
// Filter slot is empty, not matching any topics at this slot => counts as a match
matches++
}
}
if matches == len(actualTopics) {
return true
}
return false
}
// returns 1 if the slice contains the hash, 0 if it does not
func sliceContainsHash(slice []string, hash common.Hash) int {
for _, str := range slice {
if str == hash.String() {
return 1
}
}
return 0
}
// rpcMarshalHeader uses the generalized output filler, then adds the total difficulty field, which requires
// a `PublicEthAPI`.
func (pea *PublicEthAPI) rpcMarshalHeader(header *types.Header) (map[string]interface{}, error) {
fields := RPCMarshalHeader(header)
td, err := pea.B.GetTd(header.Hash())
// GetReceipts retrieves receipts for provided block hash
func (b *Backend) GetReceipts(ctx context.Context, hash common.Hash) (types.Receipts, error) {
_, receiptBytes, err := b.IPLDRetriever.RetrieveReceiptsByBlockHash(hash)
if err != nil {
return nil, err
}
fields["totalDifficulty"] = (*hexutil.Big)(td)
return fields, nil
rcts := make(types.Receipts, 0, len(receiptBytes))
for i, rctBytes := range receiptBytes {
rct := new(types.Receipt)
if err := rlp.DecodeBytes(rctBytes, rct); err != nil {
return nil, err
}
rcts[i] = rct
}
return rcts, nil
}
// RPCMarshalHeader converts the given header to the RPC output.
// This function is eth/internal so we have to make our own version here...
func RPCMarshalHeader(head *types.Header) map[string]interface{} {
return map[string]interface{}{
"number": (*hexutil.Big)(head.Number),
"hash": head.Hash(),
"parentHash": head.ParentHash,
"nonce": head.Nonce,
"mixHash": head.MixDigest,
"sha3Uncles": head.UncleHash,
"logsBloom": head.Bloom,
"stateRoot": head.Root,
"miner": head.Coinbase,
"difficulty": (*hexutil.Big)(head.Difficulty),
"extraData": hexutil.Bytes(head.Extra),
"size": hexutil.Uint64(head.Size()),
"gasLimit": hexutil.Uint64(head.GasLimit),
"gasUsed": hexutil.Uint64(head.GasUsed),
"timestamp": hexutil.Uint64(head.Time),
"transactionsRoot": head.TxHash,
"receiptsRoot": head.ReceiptHash,
// GetLogs returns all the logs for the given block hash
func (b *Backend) GetLogs(ctx context.Context, hash common.Hash) ([][]*types.Log, error) {
_, receiptBytes, err := b.IPLDRetriever.RetrieveReceiptsByBlockHash(hash)
if err != nil {
return nil, err
}
logs := make([][]*types.Log, len(receiptBytes))
for i, rctBytes := range receiptBytes {
var rct types.Receipt
if err := rlp.DecodeBytes(rctBytes, &rct); err != nil {
return nil, err
}
logs[i] = rct.Logs
}
return logs, nil
}
// rpcMarshalBlock uses the generalized output filler, then adds the total difficulty field, which requires
@ -467,110 +474,6 @@ func (pea *PublicEthAPI) rpcMarshalBlock(b *types.Block, inclTx bool, fullTx boo
return fields, err
}
// RPCMarshalBlock converts the given block to the RPC output which depends on fullTx. If inclTx is true transactions are
// returned. When fullTx is true the returned block contains full transaction details, otherwise it will only contain
// transaction hashes.
func RPCMarshalBlock(block *types.Block, inclTx bool, fullTx bool) (map[string]interface{}, error) {
fields := RPCMarshalHeader(block.Header())
fields["size"] = hexutil.Uint64(block.Size())
if inclTx {
formatTx := func(tx *types.Transaction) (interface{}, error) {
return tx.Hash(), nil
}
if fullTx {
formatTx = func(tx *types.Transaction) (interface{}, error) {
return NewRPCTransactionFromBlockHash(block, tx.Hash()), nil
}
}
txs := block.Transactions()
transactions := make([]interface{}, len(txs))
var err error
for i, tx := range txs {
if transactions[i], err = formatTx(tx); err != nil {
return nil, err
}
}
fields["transactions"] = transactions
}
uncles := block.Uncles()
uncleHashes := make([]common.Hash, len(uncles))
for i, uncle := range uncles {
uncleHashes[i] = uncle.Hash()
}
fields["uncles"] = uncleHashes
return fields, nil
}
// NewRPCTransactionFromBlockHash returns a transaction that will serialize to the RPC representation.
func NewRPCTransactionFromBlockHash(b *types.Block, hash common.Hash) *RPCTransaction {
for idx, tx := range b.Transactions() {
if tx.Hash() == hash {
return newRPCTransactionFromBlockIndex(b, uint64(idx))
}
}
return nil
}
// newRPCTransactionFromBlockIndex returns a transaction that will serialize to the RPC representation.
func newRPCTransactionFromBlockIndex(b *types.Block, index uint64) *RPCTransaction {
txs := b.Transactions()
if index >= uint64(len(txs)) {
return nil
}
return NewRPCTransaction(txs[index], b.Hash(), b.NumberU64(), index)
}
// RPCTransaction represents a transaction that will serialize to the RPC representation of a transaction
type RPCTransaction struct {
BlockHash *common.Hash `json:"blockHash"`
BlockNumber *hexutil.Big `json:"blockNumber"`
From common.Address `json:"from"`
Gas hexutil.Uint64 `json:"gas"`
GasPrice *hexutil.Big `json:"gasPrice"`
Hash common.Hash `json:"hash"`
Input hexutil.Bytes `json:"input"`
Nonce hexutil.Uint64 `json:"nonce"`
To *common.Address `json:"to"`
TransactionIndex *hexutil.Uint64 `json:"transactionIndex"`
Value *hexutil.Big `json:"value"`
V *hexutil.Big `json:"v"`
R *hexutil.Big `json:"r"`
S *hexutil.Big `json:"s"`
}
// NewRPCTransaction returns a transaction that will serialize to the RPC
// representation, with the given location metadata set (if available).
func NewRPCTransaction(tx *types.Transaction, blockHash common.Hash, blockNumber uint64, index uint64) *RPCTransaction {
var signer types.Signer = types.FrontierSigner{}
if tx.Protected() {
signer = types.NewEIP155Signer(tx.ChainId())
}
from, _ := types.Sender(signer, tx)
v, r, s := tx.RawSignatureValues()
result := &RPCTransaction{
From: from,
Gas: hexutil.Uint64(tx.Gas()),
GasPrice: (*hexutil.Big)(tx.GasPrice()),
Hash: tx.Hash(),
Input: hexutil.Bytes(tx.Data()), // somehow this is ending up `nil`
Nonce: hexutil.Uint64(tx.Nonce()),
To: tx.To(),
Value: (*hexutil.Big)(tx.Value()),
V: (*hexutil.Big)(v),
R: (*hexutil.Big)(r),
S: (*hexutil.Big)(s),
}
if blockHash != (common.Hash{}) {
result.BlockHash = &blockHash
result.BlockNumber = (*hexutil.Big)(new(big.Int).SetUint64(blockNumber))
result.TransactionIndex = (*hexutil.Uint64)(&index)
}
return result
}
// StateAndHeaderByNumberOrHash returns the statedb and header for the provided block number or hash
func (b *Backend) StateAndHeaderByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*state.StateDB, *types.Header, error) {
if blockNr, ok := blockNrOrHash.Number(); ok {
@ -652,3 +555,36 @@ func (b *Backend) GetHeader(hash common.Hash, height uint64) *types.Header {
}
return header
}
// RPCGasCap returns the configured gas cap for the rpc server
func (b *Backend) RPCGasCap() *big.Int {
return b.Config.RPCGasCap
}
func (b *Backend) SubscribeNewTxsEvent(chan<- core.NewTxsEvent) event.Subscription {
panic("implement me")
}
func (b *Backend) SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription {
panic("implement me")
}
func (b *Backend) SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEvent) event.Subscription {
panic("implement me")
}
func (b *Backend) SubscribeLogsEvent(ch chan<- []*types.Log) event.Subscription {
panic("implement me")
}
func (b *Backend) SubscribePendingLogsEvent(ch chan<- []*types.Log) event.Subscription {
panic("implement me")
}
func (b *Backend) BloomStatus() (uint64, uint64) {
panic("implement me")
}
func (b *Backend) ServiceFilter(ctx context.Context, session *bloombits.MatcherSession) {
panic("implement me")
}

185
pkg/eth/backend_utils.go Normal file
View File

@ -0,0 +1,185 @@
// 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 eth
import (
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/rlp"
"github.com/vulcanize/ipld-eth-indexer/pkg/ipfs"
)
// RPCMarshalHeader converts the given header to the RPC output.
// This function is eth/internal so we have to make our own version here...
func RPCMarshalHeader(head *types.Header) map[string]interface{} {
return map[string]interface{}{
"number": (*hexutil.Big)(head.Number),
"hash": head.Hash(),
"parentHash": head.ParentHash,
"nonce": head.Nonce,
"mixHash": head.MixDigest,
"sha3Uncles": head.UncleHash,
"logsBloom": head.Bloom,
"stateRoot": head.Root,
"miner": head.Coinbase,
"difficulty": (*hexutil.Big)(head.Difficulty),
"extraData": hexutil.Bytes(head.Extra),
"size": hexutil.Uint64(head.Size()),
"gasLimit": hexutil.Uint64(head.GasLimit),
"gasUsed": hexutil.Uint64(head.GasUsed),
"timestamp": hexutil.Uint64(head.Time),
"transactionsRoot": head.TxHash,
"receiptsRoot": head.ReceiptHash,
}
}
// RPCMarshalBlock converts the given block to the RPC output which depends on fullTx. If inclTx is true transactions are
// returned. When fullTx is true the returned block contains full transaction details, otherwise it will only contain
// transaction hashes.
func RPCMarshalBlock(block *types.Block, inclTx bool, fullTx bool) (map[string]interface{}, error) {
fields := RPCMarshalHeader(block.Header())
fields["size"] = hexutil.Uint64(block.Size())
if inclTx {
formatTx := func(tx *types.Transaction) (interface{}, error) {
return tx.Hash(), nil
}
if fullTx {
formatTx = func(tx *types.Transaction) (interface{}, error) {
return NewRPCTransactionFromBlockHash(block, tx.Hash()), nil
}
}
txs := block.Transactions()
transactions := make([]interface{}, len(txs))
var err error
for i, tx := range txs {
if transactions[i], err = formatTx(tx); err != nil {
return nil, err
}
}
fields["transactions"] = transactions
}
uncles := block.Uncles()
uncleHashes := make([]common.Hash, len(uncles))
for i, uncle := range uncles {
uncleHashes[i] = uncle.Hash()
}
fields["uncles"] = uncleHashes
return fields, nil
}
// NewRPCTransactionFromBlockHash returns a transaction that will serialize to the RPC representation.
func NewRPCTransactionFromBlockHash(b *types.Block, hash common.Hash) *RPCTransaction {
for idx, tx := range b.Transactions() {
if tx.Hash() == hash {
return newRPCTransactionFromBlockIndex(b, uint64(idx))
}
}
return nil
}
// NewRPCTransaction returns a transaction that will serialize to the RPC
// representation, with the given location metadata set (if available).
func NewRPCTransaction(tx *types.Transaction, blockHash common.Hash, blockNumber uint64, index uint64) *RPCTransaction {
var signer types.Signer = types.FrontierSigner{}
if tx.Protected() {
signer = types.NewEIP155Signer(tx.ChainId())
}
from, _ := types.Sender(signer, tx)
v, r, s := tx.RawSignatureValues()
result := &RPCTransaction{
From: from,
Gas: hexutil.Uint64(tx.Gas()),
GasPrice: (*hexutil.Big)(tx.GasPrice()),
Hash: tx.Hash(),
Input: hexutil.Bytes(tx.Data()), // somehow this is ending up `nil`
Nonce: hexutil.Uint64(tx.Nonce()),
To: tx.To(),
Value: (*hexutil.Big)(tx.Value()),
V: (*hexutil.Big)(v),
R: (*hexutil.Big)(r),
S: (*hexutil.Big)(s),
}
if blockHash != (common.Hash{}) {
result.BlockHash = &blockHash
result.BlockNumber = (*hexutil.Big)(new(big.Int).SetUint64(blockNumber))
result.TransactionIndex = (*hexutil.Uint64)(&index)
}
return result
}
// newRPCTransactionFromBlockIndex returns a transaction that will serialize to the RPC representation.
func newRPCTransactionFromBlockIndex(b *types.Block, index uint64) *RPCTransaction {
txs := b.Transactions()
if index >= uint64(len(txs)) {
return nil
}
return NewRPCTransaction(txs[index], b.Hash(), b.NumberU64(), index)
}
// extractLogsOfInterest returns logs from the receipt IPLD
func extractLogsOfInterest(rctIPLDs []ipfs.BlockModel, wantedTopics [][]string) ([]*types.Log, error) {
var logs []*types.Log
for _, rctIPLD := range rctIPLDs {
rctRLP := rctIPLD
var rct types.Receipt
if err := rlp.DecodeBytes(rctRLP.Data, &rct); err != nil {
return nil, err
}
for _, log := range rct.Logs {
if wanted := wantedLog(wantedTopics, log.Topics); wanted == true {
logs = append(logs, log)
}
}
}
return logs, nil
}
// returns true if the log matches on the filter
func wantedLog(wantedTopics [][]string, actualTopics []common.Hash) bool {
// actualTopics will always have length <= 4
// wantedTopics will always have length 4
matches := 0
for i, actualTopic := range actualTopics {
// If we have topics in this filter slot, count as a match if the actualTopic matches one of the ones in this filter slot
if len(wantedTopics[i]) > 0 {
matches += sliceContainsHash(wantedTopics[i], actualTopic)
} else {
// Filter slot is empty, not matching any topics at this slot => counts as a match
matches++
}
}
if matches == len(actualTopics) {
return true
}
return false
}
// returns 1 if the slice contains the hash, 0 if it does not
func sliceContainsHash(slice []string, hash common.Hash) int {
for _, str := range slice {
if str == hash.String() {
return 1
}
}
return 0
}

47
pkg/eth/interfaces.go Normal file
View File

@ -0,0 +1,47 @@
// 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 eth
import (
"context"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/bloombits"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/rpc"
)
// FilterBackend is the geth interface we need to satisfy to use their filters
type FilterBackend interface {
ChainDb() ethdb.Database
HeaderByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*types.Header, error)
HeaderByHash(ctx context.Context, blockHash common.Hash) (*types.Header, error)
GetReceipts(ctx context.Context, blockHash common.Hash) (types.Receipts, error)
GetLogs(ctx context.Context, blockHash common.Hash) ([][]*types.Log, error)
SubscribeNewTxsEvent(chan<- core.NewTxsEvent) event.Subscription
SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription
SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEvent) event.Subscription
SubscribeLogsEvent(ch chan<- []*types.Log) event.Subscription
SubscribePendingLogsEvent(ch chan<- []*types.Log) event.Subscription
BloomStatus() (uint64, uint64)
ServiceFilter(ctx context.Context, session *bloombits.MatcherSession)
}

64
pkg/eth/ipld_retriever.go
View File

@ -96,8 +96,8 @@ const (
)
type ipldResult struct {
cid string `db:"cid"`
data []byte `db:"data"`
CID string `db:"cid"`
Data []byte `db:"data"`
}
type IPLDRetriever struct {
db *postgres.DB
@ -122,8 +122,8 @@ func (r *IPLDRetriever) RetrieveHeadersByHashes(hashes []common.Hash) ([]string,
cids := make([]string, len(headerResults))
headers := make([][]byte, len(headerResults))
for i, res := range headerResults {
cids[i] = res.cid
headers[i] = res.data
cids[i] = res.CID
headers[i] = res.Data
}
return cids, headers, nil
}
@ -138,8 +138,8 @@ func (r *IPLDRetriever) RetrieveHeadersByBlockNumber(number uint64) ([]string, [
cids := make([]string, len(headerResults))
headers := make([][]byte, len(headerResults))
for i, res := range headerResults {
cids[i] = res.cid
headers[i] = res.data
cids[i] = res.CID
headers[i] = res.Data
}
return cids, headers, nil
}
@ -147,7 +147,7 @@ func (r *IPLDRetriever) RetrieveHeadersByBlockNumber(number uint64) ([]string, [
// RetrieveHeaderByHash returns the cid and rlp bytes for the header corresponding to the provided block hash
func (r *IPLDRetriever) RetrieveHeaderByHash(hash common.Hash) (string, []byte, error) {
headerResult := new(ipldResult)
return headerResult.cid, headerResult.data, r.db.Get(headerResult, RetrieveHeaderByHashPgStr, hash.Hex())
return headerResult.CID, headerResult.Data, r.db.Get(headerResult, RetrieveHeaderByHashPgStr, hash.Hex())
}
// RetrieveUnclesByHashes returns the cids and rlp bytes for the uncles corresponding to the provided uncle hashes
@ -163,8 +163,8 @@ func (r *IPLDRetriever) RetrieveUnclesByHashes(hashes []common.Hash) ([]string,
cids := make([]string, len(uncleResults))
uncles := make([][]byte, len(uncleResults))
for i, res := range uncleResults {
cids[i] = res.cid
uncles[i] = res.data
cids[i] = res.CID
uncles[i] = res.Data
}
return cids, uncles, nil
}
@ -178,8 +178,8 @@ func (r *IPLDRetriever) RetrieveUnclesByBlockHash(hash common.Hash) ([]string, [
cids := make([]string, len(uncleResults))
uncles := make([][]byte, len(uncleResults))
for i, res := range uncleResults {
cids[i] = res.cid
uncles[i] = res.data
cids[i] = res.CID
uncles[i] = res.Data
}
return cids, uncles, nil
}
@ -193,8 +193,8 @@ func (r *IPLDRetriever) RetrieveUnclesByBlockNumber(number uint64) ([]string, []
cids := make([]string, len(uncleResults))
uncles := make([][]byte, len(uncleResults))
for i, res := range uncleResults {
cids[i] = res.cid
uncles[i] = res.data
cids[i] = res.CID
uncles[i] = res.Data
}
return cids, uncles, nil
}
@ -202,7 +202,7 @@ func (r *IPLDRetriever) RetrieveUnclesByBlockNumber(number uint64) ([]string, []
// RetrieveUncleByHash returns the cid and rlp bytes for the uncle corresponding to the provided uncle hash
func (r *IPLDRetriever) RetrieveUncleByHash(hash common.Hash) (string, []byte, error) {
uncleResult := new(ipldResult)
return uncleResult.cid, uncleResult.data, r.db.Get(uncleResult, RetrieveUncleByHashPgStr, hash.Hex())
return uncleResult.CID, uncleResult.Data, r.db.Get(uncleResult, RetrieveUncleByHashPgStr, hash.Hex())
}
// RetrieveTransactionsByHashes returns the cids and rlp bytes for the transactions corresponding to the provided tx hashes
@ -218,8 +218,8 @@ func (r *IPLDRetriever) RetrieveTransactionsByHashes(hashes []common.Hash) ([]st
cids := make([]string, len(txResults))
txs := make([][]byte, len(txResults))
for i, res := range txResults {
cids[i] = res.cid
txs[i] = res.data
cids[i] = res.CID
txs[i] = res.Data
}
return cids, txs, nil
}
@ -233,8 +233,8 @@ func (r *IPLDRetriever) RetrieveTransactionsByBlockHash(hash common.Hash) ([]str
cids := make([]string, len(txResults))
txs := make([][]byte, len(txResults))
for i, res := range txResults {
cids[i] = res.cid
txs[i] = res.data
cids[i] = res.CID
txs[i] = res.Data
}
return cids, txs, nil
}
@ -248,8 +248,8 @@ func (r *IPLDRetriever) RetrieveTransactionsByBlockNumber(number uint64) ([]stri
cids := make([]string, len(txResults))
txs := make([][]byte, len(txResults))
for i, res := range txResults {
cids[i] = res.cid
txs[i] = res.data
cids[i] = res.CID
txs[i] = res.Data
}
return cids, txs, nil
}
@ -257,7 +257,7 @@ func (r *IPLDRetriever) RetrieveTransactionsByBlockNumber(number uint64) ([]stri
// RetrieveTransactionByTxHash returns the cid and rlp bytes for the transaction corresponding to the provided tx hash
func (r *IPLDRetriever) RetrieveTransactionByTxHash(hash common.Hash) (string, []byte, error) {
txResult := new(ipldResult)
return txResult.cid, txResult.data, r.db.Get(txResult, RetrieveTransactionByHashPgStr, hash.Hex())
return txResult.CID, txResult.Data, r.db.Get(txResult, RetrieveTransactionByHashPgStr, hash.Hex())
}
// RetrieveReceiptsByTxHashes returns the cids and rlp bytes for the receipts corresponding to the provided tx hashes
@ -273,8 +273,8 @@ func (r *IPLDRetriever) RetrieveReceiptsByTxHashes(hashes []common.Hash) ([]stri
cids := make([]string, len(rctResults))
rcts := make([][]byte, len(rctResults))
for i, res := range rctResults {
cids[i] = res.cid
rcts[i] = res.data
cids[i] = res.CID
rcts[i] = res.Data
}
return cids, rcts, nil
}
@ -288,8 +288,8 @@ func (r *IPLDRetriever) RetrieveReceiptsByBlockHash(hash common.Hash) ([]string,
cids := make([]string, len(rctResults))
rcts := make([][]byte, len(rctResults))
for i, res := range rctResults {
cids[i] = res.cid
rcts[i] = res.data
cids[i] = res.CID
rcts[i] = res.Data
}
return cids, rcts, nil
}
@ -303,8 +303,8 @@ func (r *IPLDRetriever) RetrieveReceiptsByBlockNumber(number uint64) ([]string,
cids := make([]string, len(rctResults))
rcts := make([][]byte, len(rctResults))
for i, res := range rctResults {
cids[i] = res.cid
rcts[i] = res.data
cids[i] = res.CID
rcts[i] = res.Data
}
return cids, rcts, nil
}
@ -312,7 +312,7 @@ func (r *IPLDRetriever) RetrieveReceiptsByBlockNumber(number uint64) ([]string,
// RetrieveReceiptByHash returns the cid and rlp bytes for the receipt corresponding to the provided tx hash
func (r *IPLDRetriever) RetrieveReceiptByHash(hash common.Hash) (string, []byte, error) {
rctResult := new(ipldResult)
return rctResult.cid, rctResult.data, r.db.Get(rctResult, RetrieveReceiptByTxHashPgStr, hash.Hex())
return rctResult.CID, rctResult.Data, r.db.Get(rctResult, RetrieveReceiptByTxHashPgStr, hash.Hex())
}
// RetrieveAccountByAddressAndBlockHash returns the cid and rlp bytes for the account corresponding to the provided address and block hash
@ -323,13 +323,13 @@ func (r *IPLDRetriever) RetrieveAccountByAddressAndBlockHash(address common.Addr
return "", nil, err
}
var i []interface{}
if err := rlp.DecodeBytes(accountResult.data, &i); err != nil {
if err := rlp.DecodeBytes(accountResult.Data, &i); err != nil {
return "", nil, fmt.Errorf("error decoding state leaf node rlp: %s", err.Error())
}
if len(i) != 2 {
return "", nil, fmt.Errorf("eth IPLDRetriever expected state leaf node rlp to decode into two elements")
}
return accountResult.cid, i[1].([]byte), nil
return accountResult.CID, i[1].([]byte), nil
}
// RetrieveAccountByAddressAndBlockNumber returns the cid and rlp bytes for the account corresponding to the provided address and block number
@ -343,9 +343,9 @@ func (r *IPLDRetriever) RetrieveAccountByAddressAndBlockNumber(address common.Ad
cids := make([]string, len(accountResults))
accounts := make([][]byte, len(accountResults))
for i, res := range accountResults {
cids[i] = res.cid
cids[i] = res.CID
var iface []interface{}
if err := rlp.DecodeBytes(res.data, &iface); err != nil {
if err := rlp.DecodeBytes(res.Data, &iface); err != nil {
return nil, nil, fmt.Errorf("error decoding state leaf node rlp: %s", err.Error())
}
if len(iface) != 2 {

19
pkg/eth/types.go
View File

@ -20,11 +20,30 @@ import (
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/statediff"
"github.com/vulcanize/ipld-eth-indexer/pkg/eth"
"github.com/vulcanize/ipld-eth-indexer/pkg/ipfs"
)
// RPCTransaction represents a transaction that will serialize to the RPC representation of a transaction
type RPCTransaction struct {
BlockHash *common.Hash `json:"blockHash"`
BlockNumber *hexutil.Big `json:"blockNumber"`
From common.Address `json:"from"`
Gas hexutil.Uint64 `json:"gas"`
GasPrice *hexutil.Big `json:"gasPrice"`
Hash common.Hash `json:"hash"`
Input hexutil.Bytes `json:"input"`
Nonce hexutil.Uint64 `json:"nonce"`
To *common.Address `json:"to"`
TransactionIndex *hexutil.Uint64 `json:"transactionIndex"`
Value *hexutil.Big `json:"value"`
V *hexutil.Big `json:"v"`
R *hexutil.Big `json:"r"`
S *hexutil.Big `json:"s"`
}
// IPLDs is used to package raw IPLD block data fetched from IPFS and returned by the server
// Returned by IPLDFetcher and ResponseFilterer
type IPLDs struct {

1
pkg/serve/config.go
View File

@ -68,6 +68,7 @@ type Config struct {
func NewConfig() (*Config, error) {
c := new(Config)
viper.BindEnv("ethereum.httpPath", shared.ETH_HTTP_PATH)
viper.BindEnv("server.wsPath", SERVER_WS_PATH)
viper.BindEnv("server.ipcPath", SERVER_IPC_PATH)
viper.BindEnv("server.httpPath", SERVER_HTTP_PATH)