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Merge pull request #21 from openrelayxyz/feature/blockTracer

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Feature/block tracer
This commit is contained in:
AusIV 2021-11-29 10:48:44 -06:00 committed by GitHub
commit 6030087970
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
12 changed files with 729 additions and 674 deletions
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3
.circleci/config.yml
View File

@ -85,3 +85,6 @@ workflows:
- build_geth_push:
requires:
- test
filters:
tags:
only: /^v.*/

8
cmd/geth/main.go
View File

@ -41,7 +41,7 @@ import (
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/plugins"
"github.com/ethereum/go-ethereum/plugins/wrappers"
"github.com/ethereum/go-ethereum/plugins/wrappers/backendwrapper"
// Force-load the tracer engines to trigger registration
_ "github.com/ethereum/go-ethereum/eth/tracers/js"
@ -314,7 +314,9 @@ func prepare(ctx *cli.Context) {
// It creates a default node based on the command line arguments and runs it in
// blocking mode, waiting for it to be shut down.
func geth(ctx *cli.Context) error {
if err := plugins.Initialize(path.Join(ctx.GlobalString(utils.DataDirFlag.Name), "plugins"), ctx); err != nil { return err }
if err := plugins.Initialize(path.Join(ctx.GlobalString(utils.DataDirFlag.Name), "plugins"), ctx); err != nil {
return err
}
prepare(ctx)
if !plugins.ParseFlags(ctx.Args()) {
if args := ctx.Args(); len(args) > 0 {
@ -322,7 +324,7 @@ func geth(ctx *cli.Context) error {
}
}
stack, backend := makeFullNode(ctx)
wrapperBackend := wrappers.NewBackend(backend)
wrapperBackend := backendwrapper.NewBackend(backend)
pluginsInitializeNode(stack, wrapperBackend)
if ok, err := plugins.RunSubcommand(ctx); ok {
stack.Close()

373
core/plugin_hooks.go
View File

@ -1,182 +1,285 @@
package core
import (
"encoding/json"
"math/big"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/plugins"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/rlp"
"github.com/openrelayxyz/plugeth-utils/core"
"encoding/json"
"math/big"
"reflect"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/plugins"
"github.com/ethereum/go-ethereum/plugins/wrappers"
"github.com/ethereum/go-ethereum/rlp"
"github.com/openrelayxyz/plugeth-utils/core"
)
func PluginPreProcessBlock(pl *plugins.PluginLoader, block *types.Block) {
fnList := pl.Lookup("PreProcessBlock", func(item interface{}) bool {
_, ok := item.(func(core.Hash, uint64, []byte))
return ok
})
encoded, _ := rlp.EncodeToBytes(block)
for _, fni := range fnList {
if fn, ok := fni.(func(core.Hash, uint64, []byte)); ok {
fn(core.Hash(block.Hash()), block.NumberU64(), encoded)
}
}
fnList := pl.Lookup("PreProcessBlock", func(item interface{}) bool {
_, ok := item.(func(core.Hash, uint64, []byte))
return ok
})
encoded, _ := rlp.EncodeToBytes(block)
for _, fni := range fnList {
if fn, ok := fni.(func(core.Hash, uint64, []byte)); ok {
fn(core.Hash(block.Hash()), block.NumberU64(), encoded)
}
}
}
func pluginPreProcessBlock(block *types.Block) {
if plugins.DefaultPluginLoader == nil {
if plugins.DefaultPluginLoader == nil {
log.Warn("Attempting PreProcessBlock, but default PluginLoader has not been initialized")
return
}
PluginPreProcessBlock(plugins.DefaultPluginLoader, block) // TODO
return
}
PluginPreProcessBlock(plugins.DefaultPluginLoader, block) // TODO
}
func PluginPreProcessTransaction(pl *plugins.PluginLoader, tx *types.Transaction, block *types.Block, i int) {
fnList := pl.Lookup("PreProcessTransaction", func(item interface{}) bool {
_, ok := item.(func([]byte, core.Hash, core.Hash, int))
return ok
})
txBytes, _ := tx.MarshalBinary()
for _, fni := range fnList {
if fn, ok := fni.(func([]byte, core.Hash, core.Hash, int)); ok {
fn(txBytes, core.Hash(tx.Hash()), core.Hash(block.Hash()), i)
}
}
fnList := pl.Lookup("PreProcessTransaction", func(item interface{}) bool {
_, ok := item.(func([]byte, core.Hash, core.Hash, int))
return ok
})
txBytes, _ := tx.MarshalBinary()
for _, fni := range fnList {
if fn, ok := fni.(func([]byte, core.Hash, core.Hash, int)); ok {
fn(txBytes, core.Hash(tx.Hash()), core.Hash(block.Hash()), i)
}
}
}
func pluginPreProcessTransaction(tx *types.Transaction, block *types.Block, i int) {
if plugins.DefaultPluginLoader == nil {
if plugins.DefaultPluginLoader == nil {
log.Warn("Attempting PreProcessTransaction, but default PluginLoader has not been initialized")
return
}
PluginPreProcessTransaction(plugins.DefaultPluginLoader, tx, block, i)
return
}
PluginPreProcessTransaction(plugins.DefaultPluginLoader, tx, block, i)
}
func PluginBlockProcessingError(pl *plugins.PluginLoader, tx *types.Transaction, block *types.Block, err error) {
fnList := pl.Lookup("BlockProcessingError", func(item interface{}) bool {
_, ok := item.(func(core.Hash, core.Hash, error))
return ok
})
for _, fni := range fnList {
if fn, ok := fni.(func(core.Hash, core.Hash, error)); ok {
fn(core.Hash(tx.Hash()), core.Hash(block.Hash()), err)
}
}
fnList := pl.Lookup("BlockProcessingError", func(item interface{}) bool {
_, ok := item.(func(core.Hash, core.Hash, error))
return ok
})
for _, fni := range fnList {
if fn, ok := fni.(func(core.Hash, core.Hash, error)); ok {
fn(core.Hash(tx.Hash()), core.Hash(block.Hash()), err)
}
}
}
func pluginBlockProcessingError(tx *types.Transaction, block *types.Block, err error) {
if plugins.DefaultPluginLoader == nil {
if plugins.DefaultPluginLoader == nil {
log.Warn("Attempting BlockProcessingError, but default PluginLoader has not been initialized")
return
}
PluginBlockProcessingError(plugins.DefaultPluginLoader, tx, block, err)
return
}
PluginBlockProcessingError(plugins.DefaultPluginLoader, tx, block, err)
}
func PluginPostProcessTransaction(pl *plugins.PluginLoader, tx *types.Transaction, block *types.Block, i int, receipt *types.Receipt) {
fnList := pl.Lookup("PostProcessTransaction", func(item interface{}) bool {
_, ok := item.(func(core.Hash, core.Hash, int, []byte))
return ok
})
receiptBytes, _ := json.Marshal(receipt)
for _, fni := range fnList {
if fn, ok := fni.(func(core.Hash, core.Hash, int, []byte)); ok {
fn(core.Hash(tx.Hash()), core.Hash(block.Hash()), i, receiptBytes)
}
}
fnList := pl.Lookup("PostProcessTransaction", func(item interface{}) bool {
_, ok := item.(func(core.Hash, core.Hash, int, []byte))
return ok
})
receiptBytes, _ := json.Marshal(receipt)
for _, fni := range fnList {
if fn, ok := fni.(func(core.Hash, core.Hash, int, []byte)); ok {
fn(core.Hash(tx.Hash()), core.Hash(block.Hash()), i, receiptBytes)
}
}
}
func pluginPostProcessTransaction(tx *types.Transaction, block *types.Block, i int, receipt *types.Receipt) {
if plugins.DefaultPluginLoader == nil {
if plugins.DefaultPluginLoader == nil {
log.Warn("Attempting PostProcessTransaction, but default PluginLoader has not been initialized")
return
}
PluginPostProcessTransaction(plugins.DefaultPluginLoader, tx, block, i, receipt)
return
}
PluginPostProcessTransaction(plugins.DefaultPluginLoader, tx, block, i, receipt)
}
func PluginPostProcessBlock(pl *plugins.PluginLoader, block *types.Block) {
fnList := pl.Lookup("PostProcessBlock", func(item interface{}) bool {
_, ok := item.(func(core.Hash))
return ok
})
for _, fni := range fnList {
if fn, ok := fni.(func(core.Hash)); ok {
fn(core.Hash(block.Hash()))
}
}
fnList := pl.Lookup("PostProcessBlock", func(item interface{}) bool {
_, ok := item.(func(core.Hash))
return ok
})
for _, fni := range fnList {
if fn, ok := fni.(func(core.Hash)); ok {
fn(core.Hash(block.Hash()))
}
}
}
func pluginPostProcessBlock(block *types.Block) {
if plugins.DefaultPluginLoader == nil {
if plugins.DefaultPluginLoader == nil {
log.Warn("Attempting PostProcessBlock, but default PluginLoader has not been initialized")
return
}
PluginPostProcessBlock(plugins.DefaultPluginLoader, block)
return
}
PluginPostProcessBlock(plugins.DefaultPluginLoader, block)
}
func PluginNewHead(pl *plugins.PluginLoader, block *types.Block, hash common.Hash, logs []*types.Log, td *big.Int) {
fnList := pl.Lookup("NewHead", func(item interface{}) bool {
_, ok := item.(func([]byte, core.Hash, [][]byte, *big.Int))
return ok
})
blockBytes, _ := rlp.EncodeToBytes(block)
logBytes := make([][]byte, len(logs))
for i, l := range logs {
logBytes[i], _ = rlp.EncodeToBytes(l)
}
for _, fni := range fnList {
if fn, ok := fni.(func([]byte, core.Hash, [][]byte, *big.Int)); ok {
fn(blockBytes, core.Hash(hash), logBytes, td)
}
}
fnList := pl.Lookup("NewHead", func(item interface{}) bool {
_, ok := item.(func([]byte, core.Hash, [][]byte, *big.Int))
return ok
})
blockBytes, _ := rlp.EncodeToBytes(block)
logBytes := make([][]byte, len(logs))
for i, l := range logs {
logBytes[i], _ = rlp.EncodeToBytes(l)
}
for _, fni := range fnList {
if fn, ok := fni.(func([]byte, core.Hash, [][]byte, *big.Int)); ok {
fn(blockBytes, core.Hash(hash), logBytes, td)
}
}
}
func pluginNewHead(block *types.Block, hash common.Hash, logs []*types.Log, td *big.Int) {
if plugins.DefaultPluginLoader == nil {
if plugins.DefaultPluginLoader == nil {
log.Warn("Attempting NewHead, but default PluginLoader has not been initialized")
return
}
PluginNewHead(plugins.DefaultPluginLoader, block, hash, logs, td)
return
}
PluginNewHead(plugins.DefaultPluginLoader, block, hash, logs, td)
}
func PluginNewSideBlock(pl *plugins.PluginLoader, block *types.Block, hash common.Hash, logs []*types.Log) {
fnList := pl.Lookup("NewSideBlock", func(item interface{}) bool {
_, ok := item.(func([]byte, core.Hash, [][]byte))
return ok
})
blockBytes, _ := rlp.EncodeToBytes(block)
logBytes := make([][]byte, len(logs))
for i, l := range logs {
logBytes[i], _ = rlp.EncodeToBytes(l)
}
for _, fni := range fnList {
if fn, ok := fni.(func([]byte, core.Hash, [][]byte)); ok {
fn(blockBytes, core.Hash(hash), logBytes)
}
}
fnList := pl.Lookup("NewSideBlock", func(item interface{}) bool {
_, ok := item.(func([]byte, core.Hash, [][]byte))
return ok
})
blockBytes, _ := rlp.EncodeToBytes(block)
logBytes := make([][]byte, len(logs))
for i, l := range logs {
logBytes[i], _ = rlp.EncodeToBytes(l)
}
for _, fni := range fnList {
if fn, ok := fni.(func([]byte, core.Hash, [][]byte)); ok {
fn(blockBytes, core.Hash(hash), logBytes)
}
}
}
func pluginNewSideBlock(block *types.Block, hash common.Hash, logs []*types.Log) {
if plugins.DefaultPluginLoader == nil {
if plugins.DefaultPluginLoader == nil {
log.Warn("Attempting NewSideBlock, but default PluginLoader has not been initialized")
return
}
PluginNewSideBlock(plugins.DefaultPluginLoader, block, hash, logs)
return
}
PluginNewSideBlock(plugins.DefaultPluginLoader, block, hash, logs)
}
func PluginReorg(pl *plugins.PluginLoader, commonBlock *types.Block, oldChain, newChain types.Blocks) {
fnList := pl.Lookup("Reorg", func(item interface{}) bool {
_, ok := item.(func(core.Hash, []core.Hash, []core.Hash))
return ok
})
oldChainHashes := make([]core.Hash, len(oldChain))
for i, block := range oldChain {
oldChainHashes[i] = core.Hash(block.Hash())
}
newChainHashes := make([]core.Hash, len(newChain))
for i, block := range newChain {
newChainHashes[i] = core.Hash(block.Hash())
}
for _, fni := range fnList {
if fn, ok := fni.(func(core.Hash, []core.Hash, []core.Hash)); ok {
fn(core.Hash(commonBlock.Hash()), oldChainHashes, newChainHashes)
}
}
fnList := pl.Lookup("Reorg", func(item interface{}) bool {
_, ok := item.(func(core.Hash, []core.Hash, []core.Hash))
return ok
})
oldChainHashes := make([]core.Hash, len(oldChain))
for i, block := range oldChain {
oldChainHashes[i] = core.Hash(block.Hash())
}
newChainHashes := make([]core.Hash, len(newChain))
for i, block := range newChain {
newChainHashes[i] = core.Hash(block.Hash())
}
for _, fni := range fnList {
if fn, ok := fni.(func(core.Hash, []core.Hash, []core.Hash)); ok {
fn(core.Hash(commonBlock.Hash()), oldChainHashes, newChainHashes)
}
}
}
func pluginReorg(commonBlock *types.Block, oldChain, newChain types.Blocks) {
if plugins.DefaultPluginLoader == nil {
if plugins.DefaultPluginLoader == nil {
log.Warn("Attempting Reorg, but default PluginLoader has not been initialized")
return
}
PluginReorg(plugins.DefaultPluginLoader, commonBlock, oldChain, newChain)
return
}
PluginReorg(plugins.DefaultPluginLoader, commonBlock, oldChain, newChain)
}
type metaTracer struct {
tracers []core.BlockTracer
}
func (mt *metaTracer) PreProcessBlock(block *types.Block) {
blockHash := core.Hash(block.Hash())
blockNumber := block.NumberU64()
encoded, _ := rlp.EncodeToBytes(block)
for _, tracer := range mt.tracers {
tracer.PreProcessBlock(blockHash, blockNumber, encoded)
}
}
func (mt *metaTracer) PreProcessTransaction(tx *types.Transaction, block *types.Block, i int) {
blockHash := core.Hash(block.Hash())
transactionHash := core.Hash(tx.Hash())
for _, tracer := range mt.tracers {
tracer.PreProcessTransaction(transactionHash, blockHash, i)
}
}
func (mt *metaTracer) BlockProcessingError(tx *types.Transaction, block *types.Block, err error) {
blockHash := core.Hash(block.Hash())
transactionHash := core.Hash(tx.Hash())
for _, tracer := range mt.tracers {
tracer.BlockProcessingError(transactionHash, blockHash, err)
}
}
func (mt *metaTracer) PostProcessTransaction(tx *types.Transaction, block *types.Block, i int, receipt *types.Receipt) {
blockHash := core.Hash(block.Hash())
transactionHash := core.Hash(tx.Hash())
receiptBytes, _ := json.Marshal(receipt)
for _, tracer := range mt.tracers {
tracer.PostProcessTransaction(transactionHash, blockHash, i, receiptBytes)
}
}
func (mt *metaTracer) PostProcessBlock(block *types.Block) {
blockHash := core.Hash(block.Hash())
for _, tracer := range mt.tracers {
tracer.PostProcessBlock(blockHash)
}
}
func (mt *metaTracer) CaptureStart(env *vm.EVM, from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int) {
for _, tracer := range mt.tracers {
tracer.CaptureStart(core.Address(from), core.Address(to), create, input, gas, value)
}
}
func (mt *metaTracer) CaptureState(pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, rData []byte, depth int, err error) {
for _, tracer := range mt.tracers {
tracer.CaptureState(pc, core.OpCode(op), gas, cost, wrappers.NewWrappedScopeContext(scope), rData, depth, err)
}
}
func (mt *metaTracer) CaptureFault(pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, depth int, err error) {
for _, tracer := range mt.tracers {
tracer.CaptureFault(pc, core.OpCode(op), gas, cost, wrappers.NewWrappedScopeContext(scope), depth, err)
}
}
func (mt *metaTracer) CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error) {
for _, tracer := range mt.tracers {
tracer.CaptureEnd(output, gasUsed, t, err)
}
}
func (mt *metaTracer) CaptureEnter(typ vm.OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int) {
for _, tracer := range mt.tracers {
tracer.CaptureEnter(core.OpCode(typ), core.Address(from), core.Address(to), input, gas, value)
}
}
func (mt *metaTracer) CaptureExit(output []byte, gasUsed uint64, err error) {
for _, tracer := range mt.tracers {
tracer.CaptureExit(output, gasUsed, err)
}
}
func PluginGetBlockTracer(pl *plugins.PluginLoader, hash common.Hash, statedb *state.StateDB) *metaTracer {
//look for a function that takes whatever the ctx provides and statedb and returns a core.blocktracer append into meta tracer
tracerList := plugins.Lookup("GetLiveTracer", func(item interface{}) bool {
_, ok := item.(func(core.Hash, core.StateDB) core.BlockTracer)
log.Info("Item is LiveTracer", "ok", ok, "type", reflect.TypeOf(item))
return ok
})
mt := &metaTracer{tracers: []core.BlockTracer{}}
for _, tracer := range tracerList {
if v, ok := tracer.(func(core.Hash, core.StateDB) core.BlockTracer); ok {
bt := v(core.Hash(hash), wrappers.NewWrappedStateDB(statedb))
if bt != nil {
mt.tracers = append(mt.tracers, bt)
}
}
}
return mt
}
func pluginGetBlockTracer(hash common.Hash, statedb *state.StateDB) *metaTracer {
if plugins.DefaultPluginLoader == nil {
log.Warn("Attempting GetBlockTracer, but default PluginLoader has not been initialized")
return &metaTracer{}
}
return PluginGetBlockTracer(plugins.DefaultPluginLoader, hash, statedb)
}

9
core/state_processor.go
View File

@ -71,29 +71,38 @@ func (p *StateProcessor) Process(block *types.Block, statedb *state.StateDB, cfg
misc.ApplyDAOHardFork(statedb)
}
blockContext := NewEVMBlockContext(header, p.bc, nil)
blockTracer := pluginGetBlockTracer(header.Hash(), statedb)
cfg.Tracer = blockTracer
cfg.Debug = true
vmenv := vm.NewEVM(blockContext, vm.TxContext{}, statedb, p.config, cfg)
// Iterate over and process the individual transactions
pluginPreProcessBlock(block)
blockTracer.PreProcessBlock(block)
for i, tx := range block.Transactions() {
msg, err := tx.AsMessage(types.MakeSigner(p.config, header.Number), header.BaseFee)
if err != nil {
pluginBlockProcessingError(tx, block, err)
blockTracer.BlockProcessingError(tx, block, err)
return nil, nil, 0, fmt.Errorf("could not apply tx %d [%v]: %w", i, tx.Hash().Hex(), err)
}
statedb.Prepare(tx.Hash(), i)
pluginPreProcessTransaction(tx, block, i)
blockTracer.PreProcessTransaction(tx, block, i)
receipt, err := applyTransaction(msg, p.config, p.bc, nil, gp, statedb, blockNumber, blockHash, tx, usedGas, vmenv)
if err != nil {
pluginBlockProcessingError(tx, block, err)
blockTracer.BlockProcessingError(tx, block, err)
return nil, nil, 0, fmt.Errorf("could not apply tx %d [%v]: %w", i, tx.Hash().Hex(), err)
}
pluginPostProcessTransaction(tx, block, i, receipt)
blockTracer.PostProcessTransaction(tx, block, i, receipt)
receipts = append(receipts, receipt)
allLogs = append(allLogs, receipt.Logs...)
}
// Finalize the block, applying any consensus engine specific extras (e.g. block rewards)
p.engine.Finalize(p.bc, header, statedb, block.Transactions(), block.Uncles())
pluginPostProcessBlock(block)
blockTracer.PostProcessBlock(block)
return receipts, allLogs, *usedGas, nil
}

1
eth/backend.go
View File

@ -188,7 +188,6 @@ func New(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) {
Preimages: config.Preimages,
}
)
pluginUpdateBlockchainVMConfig(&vmConfig)
eth.blockchain, err = core.NewBlockChain(chainDb, cacheConfig, chainConfig, eth.engine, vmConfig, eth.shouldPreserve, &config.TxLookupLimit)
if err != nil {
return nil, err

81
eth/plugin_hooks.go
View File

@ -1,81 +0,0 @@
package eth
import (
"math/big"
"reflect"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/plugins"
"github.com/ethereum/go-ethereum/plugins/wrappers"
"github.com/openrelayxyz/plugeth-utils/core"
)
type metaTracer struct {
tracers []core.TracerResult
}
func (mt *metaTracer) CaptureStart(env *vm.EVM, from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int) {
for _, tracer := range mt.tracers {
tracer.CaptureStart(core.Address(from), core.Address(to), create, input, gas, value)
}
}
func (mt *metaTracer) CaptureState(pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, rData []byte, depth int, err error) {
for _, tracer := range mt.tracers {
tracer.CaptureState(pc, core.OpCode(op), gas, cost, wrappers.NewWrappedScopeContext(scope), rData, depth, err)
}
}
func (mt *metaTracer) CaptureEnter(typ vm.OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int) {
for _, tracer := range mt.tracers {
tracer.CaptureEnter(core.OpCode(typ), core.Address(from), core.Address(to), input, gas, value)
}
}
func (mt *metaTracer) CaptureExit(output []byte, gasUsed uint64, err error) {
for _, tracer := range mt.tracers {
tracer.CaptureExit(output, gasUsed, err)
}
}
func (mt *metaTracer) CaptureFault(pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, depth int, err error) {
for _, tracer := range mt.tracers {
tracer.CaptureFault(pc, core.OpCode(op), gas, cost, wrappers.NewWrappedScopeContext(scope), depth, err)
}
}
func (mt *metaTracer) CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error) {
for _, tracer := range mt.tracers {
tracer.CaptureEnd(output, gasUsed, t, err)
}
}
func PluginUpdateBlockchainVMConfig(pl *plugins.PluginLoader, cfg *vm.Config) {
tracerList := plugins.Lookup("LiveTracer", func(item interface{}) bool {
_, ok := item.(core.TracerResult)
log.Info("Item is LiveTracer", "ok", ok, "type", reflect.TypeOf(item))
return ok
})
if len(tracerList) > 0 {
mt := &metaTracer{tracers: []core.TracerResult{}}
for _, tracer := range tracerList {
if v, ok := tracer.(core.TracerResult); ok {
log.Info("LiveTracer registered")
mt.tracers = append(mt.tracers, v)
} else {
log.Info("Item is not tracer")
}
}
cfg.Debug = true
cfg.Tracer = mt
} else {
log.Warn("Module is not tracer")
}
}
func pluginUpdateBlockchainVMConfig(cfg *vm.Config) {
if plugins.DefaultPluginLoader == nil {
log.Warn("Attempting CreateConsensusEngine, but default PluginLoader has not been initialized")
return
}
PluginUpdateBlockchainVMConfig(plugins.DefaultPluginLoader, cfg)
}

2
go.mod
View File

@ -51,7 +51,7 @@ require (
github.com/naoina/go-stringutil v0.1.0 // indirect
github.com/naoina/toml v0.1.2-0.20170918210437-9fafd6967416
github.com/olekukonko/tablewriter v0.0.5
github.com/openrelayxyz/plugeth-utils v0.0.9
github.com/openrelayxyz/plugeth-utils v0.0.10
github.com/peterh/liner v1.1.1-0.20190123174540-a2c9a5303de7
github.com/prometheus/tsdb v0.7.1
github.com/rjeczalik/notify v0.9.1

2
go.sum
View File

@ -341,6 +341,8 @@ github.com/onsi/gomega v1.10.1 h1:o0+MgICZLuZ7xjH7Vx6zS/zcu93/BEp1VwkIW1mEXCE=
github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1ybHNo=
github.com/openrelayxyz/plugeth-utils v0.0.9 h1:Rz0nwzirHSpGa6TfTuPl9/0W0TSN5vsYW+DtQH8QLIc=
github.com/openrelayxyz/plugeth-utils v0.0.9/go.mod h1:Lv47unyKJ3b/PVbVAt9Uk+RQmpdrzDOsjSCPhAMQAps=
github.com/openrelayxyz/plugeth-utils v0.0.10 h1:Aw1wiQUepHH9yytOM8+RlSj9Z3OU+OsegoPym7SLdic=
github.com/openrelayxyz/plugeth-utils v0.0.10/go.mod h1:Lv47unyKJ3b/PVbVAt9Uk+RQmpdrzDOsjSCPhAMQAps=
github.com/opentracing/opentracing-go v1.0.2/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o=
github.com/opentracing/opentracing-go v1.0.3-0.20180606204148-bd9c31933947/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o=
github.com/opentracing/opentracing-go v1.1.0 h1:pWlfV3Bxv7k65HYwkikxat0+s3pV4bsqf19k25Ur8rU=

422
plugins/wrappers/backendwrapper/backendwrapper.go Normal file
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@ -0,0 +1,422 @@
package backendwrapper
import (
"context"
"encoding/json"
"fmt"
"math/big"
"reflect"
"sync"
"github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/common"
gcore "github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/internal/ethapi"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/rpc"
"github.com/openrelayxyz/plugeth-utils/core"
"github.com/openrelayxyz/plugeth-utils/restricted"
"github.com/openrelayxyz/plugeth-utils/restricted/params"
)
type Backend struct {
b ethapi.Backend
newTxsFeed event.Feed
newTxsOnce sync.Once
chainFeed event.Feed
chainOnce sync.Once
chainHeadFeed event.Feed
chainHeadOnce sync.Once
chainSideFeed event.Feed
chainSideOnce sync.Once
logsFeed event.Feed
logsOnce sync.Once
pendingLogsFeed event.Feed
pendingLogsOnce sync.Once
removedLogsFeed event.Feed
removedLogsOnce sync.Once
chainConfig *params.ChainConfig
}
func NewBackend(b ethapi.Backend) *Backend {
return &Backend{b: b}
}
func (b *Backend) SuggestGasTipCap(ctx context.Context) (*big.Int, error) {
return b.b.SuggestGasTipCap(ctx)
}
func (b *Backend) ChainDb() restricted.Database {
return &dbWrapper{b.b.ChainDb()}
}
func (b *Backend) ExtRPCEnabled() bool {
return b.b.ExtRPCEnabled()
}
func (b *Backend) RPCGasCap() uint64 {
return b.b.RPCGasCap()
}
func (b *Backend) RPCTxFeeCap() float64 {
return b.b.RPCTxFeeCap()
}
func (b *Backend) UnprotectedAllowed() bool {
return b.b.UnprotectedAllowed()
}
func (b *Backend) SetHead(number uint64) {
b.b.SetHead(number)
}
func (b *Backend) HeaderByNumber(ctx context.Context, number int64) ([]byte, error) {
header, err := b.b.HeaderByNumber(ctx, rpc.BlockNumber(number))
if err != nil {
return nil, err
}
return rlp.EncodeToBytes(header)
}
func (b *Backend) HeaderByHash(ctx context.Context, hash core.Hash) ([]byte, error) {
header, err := b.b.HeaderByHash(ctx, common.Hash(hash))
if err != nil {
return nil, err
}
return rlp.EncodeToBytes(header)
}
func (b *Backend) CurrentHeader() []byte {
ret, _ := rlp.EncodeToBytes(b.b.CurrentHeader())
return ret
}
func (b *Backend) CurrentBlock() []byte {
ret, _ := rlp.EncodeToBytes(b.b.CurrentBlock())
return ret
}
func (b *Backend) BlockByNumber(ctx context.Context, number int64) ([]byte, error) {
block, err := b.b.BlockByNumber(ctx, rpc.BlockNumber(number))
if err != nil {
return nil, err
}
return rlp.EncodeToBytes(block)
}
func (b *Backend) BlockByHash(ctx context.Context, hash core.Hash) ([]byte, error) {
block, err := b.b.BlockByHash(ctx, common.Hash(hash))
if err != nil {
return nil, err
}
return rlp.EncodeToBytes(block)
}
func (b *Backend) GetReceipts(ctx context.Context, hash core.Hash) ([]byte, error) {
receipts, err := b.b.GetReceipts(ctx, common.Hash(hash))
if err != nil {
return nil, err
}
return json.Marshal(receipts)
}
func (b *Backend) GetTd(ctx context.Context, hash core.Hash) *big.Int {
return b.b.GetTd(ctx, common.Hash(hash))
}
func (b *Backend) SendTx(ctx context.Context, signedTx []byte) error {
tx := new(types.Transaction)
if err := tx.UnmarshalBinary(signedTx); err != nil {
return err
}
return b.b.SendTx(ctx, tx)
}
func (b *Backend) GetTransaction(ctx context.Context, txHash core.Hash) ([]byte, core.Hash, uint64, uint64, error) { // RLP Encoded transaction {
tx, blockHash, blockNumber, index, err := b.b.GetTransaction(ctx, common.Hash(txHash))
if err != nil {
return nil, core.Hash(blockHash), blockNumber, index, err
}
enc, err := tx.MarshalBinary()
return enc, core.Hash(blockHash), blockNumber, index, err
}
func (b *Backend) GetPoolTransactions() ([][]byte, error) {
txs, err := b.b.GetPoolTransactions()
if err != nil {
return nil, err
}
results := make([][]byte, len(txs))
for i, tx := range txs {
results[i], _ = rlp.EncodeToBytes(tx)
}
return results, nil
}
func (b *Backend) GetPoolTransaction(txHash core.Hash) []byte {
tx := b.b.GetPoolTransaction(common.Hash(txHash))
if tx == nil {
return []byte{}
}
enc, _ := rlp.EncodeToBytes(tx)
return enc
}
func (b *Backend) GetPoolNonce(ctx context.Context, addr core.Address) (uint64, error) {
return b.b.GetPoolNonce(ctx, common.Address(addr))
}
func (b *Backend) Stats() (pending int, queued int) {
return b.b.Stats()
}
func (b *Backend) TxPoolContent() (map[core.Address][][]byte, map[core.Address][][]byte) {
pending, queued := b.b.TxPoolContent()
trpending, trqueued := make(map[core.Address][][]byte), make(map[core.Address][][]byte)
for k, v := range pending {
trpending[core.Address(k)] = make([][]byte, len(v))
for i, tx := range v {
trpending[core.Address(k)][i], _ = tx.MarshalBinary()
}
}
for k, v := range queued {
trqueued[core.Address(k)] = make([][]byte, len(v))
for i, tx := range v {
trpending[core.Address(k)][i], _ = tx.MarshalBinary()
}
}
return trpending, trqueued
} // RLP encoded transactions
func (b *Backend) BloomStatus() (uint64, uint64) {
return b.b.BloomStatus()
}
func (b *Backend) GetLogs(ctx context.Context, blockHash core.Hash) ([][]byte, error) {
logs, err := b.b.GetLogs(ctx, common.Hash(blockHash))
if err != nil {
return nil, err
}
encLogs := make([][]byte, len(logs))
for i, log := range logs {
encLogs[i], _ = rlp.EncodeToBytes(log)
}
return encLogs, nil
} // []RLP encoded logs
type dli interface {
SyncProgress() ethereum.SyncProgress
}
type dl struct {
dl dli
}
type progress struct {
p ethereum.SyncProgress
}
func (p *progress) StartingBlock() uint64 {
return p.p.StartingBlock
}
func (p *progress) CurrentBlock() uint64 {
return p.p.CurrentBlock
}
func (p *progress) HighestBlock() uint64 {
return p.p.HighestBlock
}
func (p *progress) PulledStates() uint64 {
return p.p.PulledStates
}
func (p *progress) KnownStates() uint64 {
return p.p.KnownStates
}
func (d *dl) Progress() core.Progress {
return &progress{d.dl.SyncProgress()}
}
func (b *Backend) Downloader() core.Downloader {
return &dl{b.b}
}
func (b *Backend) SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) core.Subscription {
var sub event.Subscription
b.newTxsOnce.Do(func() {
bch := make(chan gcore.NewTxsEvent, 100)
sub = b.b.SubscribeNewTxsEvent(bch)
go func() {
for {
select {
case item := <-bch:
txe := core.NewTxsEvent{
Txs: make([][]byte, len(item.Txs)),
}
for i, tx := range item.Txs {
txe.Txs[i], _ = tx.MarshalBinary()
}
b.newTxsFeed.Send(txe)
case err := <-sub.Err():
log.Warn("Subscription error for NewTxs", "err", err)
return
}
}
}()
})
return b.newTxsFeed.Subscribe(ch)
}
func (b *Backend) SubscribeChainEvent(ch chan<- core.ChainEvent) core.Subscription {
var sub event.Subscription
b.chainOnce.Do(func() {
bch := make(chan gcore.ChainEvent, 100)
sub = b.b.SubscribeChainEvent(bch)
go func() {
for {
select {
case item := <-bch:
ce := core.ChainEvent{
Hash: core.Hash(item.Hash),
}
ce.Block, _ = rlp.EncodeToBytes(item.Block)
ce.Logs, _ = rlp.EncodeToBytes(item.Logs)
b.chainFeed.Send(ce)
case err := <-sub.Err():
log.Warn("Subscription error for Chain", "err", err)
return
}
}
}()
})
return b.chainFeed.Subscribe(ch)
}
func (b *Backend) SubscribeChainHeadEvent(ch chan<- core.ChainHeadEvent) core.Subscription {
var sub event.Subscription
b.chainHeadOnce.Do(func() {
bch := make(chan gcore.ChainHeadEvent, 100)
sub = b.b.SubscribeChainHeadEvent(bch)
go func() {
for {
select {
case item := <-bch:
che := core.ChainHeadEvent{}
che.Block, _ = rlp.EncodeToBytes(item.Block)
b.chainHeadFeed.Send(che)
case err := <-sub.Err():
log.Warn("Subscription error for ChainHead", "err", err)
return
}
}
}()
})
return b.chainHeadFeed.Subscribe(ch)
}
func (b *Backend) SubscribeChainSideEvent(ch chan<- core.ChainSideEvent) core.Subscription {
var sub event.Subscription
b.chainSideOnce.Do(func() {
bch := make(chan gcore.ChainSideEvent, 100)
sub = b.b.SubscribeChainSideEvent(bch)
go func() {
for {
select {
case item := <-bch:
cse := core.ChainSideEvent{}
cse.Block, _ = rlp.EncodeToBytes(item.Block)
b.chainSideFeed.Send(cse)
case err := <-sub.Err():
log.Warn("Subscription error for ChainSide", "err", err)
return
}
}
}()
})
return b.chainSideFeed.Subscribe(ch)
}
func (b *Backend) SubscribeLogsEvent(ch chan<- [][]byte) core.Subscription {
var sub event.Subscription
b.logsOnce.Do(func() {
bch := make(chan []*types.Log, 100)
sub = b.b.SubscribeLogsEvent(bch)
go func() {
for {
select {
case item := <-bch:
logs := make([][]byte, len(item))
for i, log := range item {
logs[i], _ = rlp.EncodeToBytes(log)
}
b.logsFeed.Send(logs)
case err := <-sub.Err():
log.Warn("Subscription error for Logs", "err", err)
return
}
}
}()
})
return b.logsFeed.Subscribe(ch)
} // []RLP encoded logs
func (b *Backend) SubscribePendingLogsEvent(ch chan<- [][]byte) core.Subscription {
var sub event.Subscription
b.pendingLogsOnce.Do(func() {
bch := make(chan []*types.Log, 100)
sub = b.b.SubscribePendingLogsEvent(bch)
go func() {
for {
select {
case item := <-bch:
logs := make([][]byte, len(item))
for i, log := range item {
logs[i], _ = rlp.EncodeToBytes(log)
}
b.pendingLogsFeed.Send(logs)
case err := <-sub.Err():
log.Warn("Subscription error for PendingLogs", "err", err)
return
}
}
}()
})
return b.pendingLogsFeed.Subscribe(ch)
} // RLP Encoded logs
func (b *Backend) SubscribeRemovedLogsEvent(ch chan<- []byte) core.Subscription {
var sub event.Subscription
b.removedLogsOnce.Do(func() {
bch := make(chan gcore.RemovedLogsEvent, 100)
sub = b.b.SubscribeRemovedLogsEvent(bch)
go func() {
for {
select {
case item := <-bch:
logs := make([][]byte, len(item.Logs))
for i, log := range item.Logs {
logs[i], _ = rlp.EncodeToBytes(log)
}
b.removedLogsFeed.Send(item)
case err := <-sub.Err():
log.Warn("Subscription error for RemovedLogs", "err", err)
return
}
}
}()
})
return b.removedLogsFeed.Subscribe(ch)
} // RLP encoded logs
func convertAndSet(a, b reflect.Value) (err error) {
defer func() {
if recover() != nil {
fmt.Errorf("error converting: %v", err.Error())
}
}()
a.Set(b.Convert(a.Type()))
return nil
}
func (b *Backend) ChainConfig() *params.ChainConfig {
// We're using the reflect library to copy data from params.ChainConfig to
// pparams.ChainConfig, so this function shouldn't need to be touched for
// simple changes to ChainConfig (though pparams.ChainConfig may need to be
// updated). Note that this probably won't carry over consensus engine data.
if b.chainConfig != nil {
return b.chainConfig
}
b.chainConfig = &params.ChainConfig{}
nval := reflect.ValueOf(b.b.ChainConfig())
ntype := nval.Elem().Type()
lval := reflect.ValueOf(b.chainConfig)
for i := 0; i < nval.Elem().NumField(); i++ {
field := ntype.Field(i)
v := nval.Elem().FieldByName(field.Name)
lv := lval.Elem().FieldByName(field.Name)
log.Info("Checking value for", "field", field.Name)
if lv.Kind() != reflect.Invalid {
// If core.ChainConfig doesn't have this field, skip it.
if v.Type() == lv.Type() && lv.CanSet() {
lv.Set(v)
} else {
convertAndSet(lv, v)
}
}
}
return b.chainConfig
}

49
plugins/wrappers/backendwrapper/dbwrapper.go Normal file
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@ -0,0 +1,49 @@
package backendwrapper
import (
"fmt"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/openrelayxyz/plugeth-utils/restricted"
)
type dbWrapper struct {
db ethdb.Database
}
func (d *dbWrapper) Has(key []byte) (bool, error) { return d.db.Has(key) }
func (d *dbWrapper) Get(key []byte) ([]byte, error) { return d.db.Get(key) }
func (d *dbWrapper) Put(key []byte, value []byte) error { return d.db.Put(key, value) }
func (d *dbWrapper) Delete(key []byte) error { return d.db.Delete(key) }
func (d *dbWrapper) Stat(property string) (string, error) { return d.db.Stat(property) }
func (d *dbWrapper) Compact(start []byte, limit []byte) error { return d.db.Compact(start, limit) }
func (d *dbWrapper) HasAncient(kind string, number uint64) (bool, error) {
return d.db.HasAncient(kind, number)
}
func (d *dbWrapper) Ancient(kind string, number uint64) ([]byte, error) {
return d.db.Ancient(kind, number)
}
func (d *dbWrapper) Ancients() (uint64, error) { return d.db.Ancients() }
func (d *dbWrapper) AncientSize(kind string) (uint64, error) { return d.db.AncientSize(kind) }
func (d *dbWrapper) AppendAncient(number uint64, hash, header, body, receipt, td []byte) error {
return fmt.Errorf("AppendAncient is no longer supported in geth 1.10.9 and above. Use ModifyAncients instead.")
}
func (d *dbWrapper) ModifyAncients(fn func(ethdb.AncientWriteOp) error) (int64, error) {
return d.db.ModifyAncients(fn)
}
func (d *dbWrapper) TruncateAncients(n uint64) error { return d.db.TruncateAncients(n) }
func (d *dbWrapper) Sync() error { return d.db.Sync() }
func (d *dbWrapper) Close() error { return d.db.Close() }
func (d *dbWrapper) NewIterator(prefix []byte, start []byte) restricted.Iterator {
return &iterWrapper{d.db.NewIterator(prefix, start)}
}
type iterWrapper struct {
iter ethdb.Iterator
}
func (it *iterWrapper) Next() bool { return it.iter.Next() }
func (it *iterWrapper) Error() error { return it.iter.Error() }
func (it *iterWrapper) Key() []byte { return it.iter.Key() }
func (it *iterWrapper) Value() []byte { return it.iter.Value() }
func (it *iterWrapper) Release() { it.iter.Release() }

38
plugins/wrappers/dbwrapper.go
View File

@ -1,38 +0,0 @@
package wrappers
import (
"fmt"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/openrelayxyz/plugeth-utils/restricted"
)
type dbWrapper struct{
db ethdb.Database
}
func (d *dbWrapper) Has(key []byte) (bool, error) { return d.db.Has(key) }
func (d *dbWrapper) Get(key []byte) ([]byte, error) { return d.db.Get(key) }
func (d *dbWrapper) Put(key []byte, value []byte) error { return d.db.Put(key, value) }
func (d *dbWrapper) Delete(key []byte) error { return d.db.Delete(key) }
func (d *dbWrapper) Stat(property string) (string, error) { return d.db.Stat(property) }
func (d *dbWrapper) Compact(start []byte, limit []byte) error { return d.db.Compact(start, limit) }
func (d *dbWrapper) HasAncient(kind string, number uint64) (bool, error) { return d.db.HasAncient(kind, number) }
func (d *dbWrapper) Ancient(kind string, number uint64) ([]byte, error) { return d.db.Ancient(kind, number) }
func (d *dbWrapper) Ancients() (uint64, error) { return d.db.Ancients() }
func (d *dbWrapper) AncientSize(kind string) (uint64, error) { return d.db.AncientSize(kind) }
func (d *dbWrapper) AppendAncient(number uint64, hash, header, body, receipt, td []byte) error { return fmt.Errorf("AppendAncient is no longer supported in geth 1.10.9 and above. Use ModifyAncients instead.") }
func (d *dbWrapper) ModifyAncients(fn func(ethdb.AncientWriteOp) error) (int64, error) { return d.db.ModifyAncients(fn) }
func (d *dbWrapper) TruncateAncients(n uint64) error { return d.db.TruncateAncients(n) }
func (d *dbWrapper) Sync() error { return d.db.Sync() }
func (d *dbWrapper) Close() error { return d.db.Close() }
func (d *dbWrapper) NewIterator(prefix []byte, start []byte) restricted.Iterator { return &iterWrapper{d.db.NewIterator(prefix, start)} }
type iterWrapper struct {
iter ethdb.Iterator
}
func (it *iterWrapper) Next() bool { return it.iter.Next() }
func (it *iterWrapper) Error() error { return it.iter.Error() }
func (it *iterWrapper) Key() []byte { return it.iter.Key() }
func (it *iterWrapper) Value() []byte { return it.iter.Value() }
func (it *iterWrapper) Release() { it.iter.Release() }

415
plugins/wrappers/wrappers.go
View File

@ -1,31 +1,14 @@
package wrappers
import (
"context"
"encoding/json"
"fmt"
"math/big"
"reflect"
"sync"
"time"
"github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/common"
gcore "github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/internal/ethapi"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/node"
// "github.com/ethereum/go-ethereum/plugins/interfaces"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/rpc"
"github.com/openrelayxyz/plugeth-utils/core"
"github.com/openrelayxyz/plugeth-utils/restricted"
"github.com/openrelayxyz/plugeth-utils/restricted/params"
)
type WrappedScopeContext struct {
@ -223,401 +206,3 @@ func (n *Node) ResolvePath(x string) string {
func (n *Node) Attach() (core.Client, error) {
return n.n.Attach()
}
type Backend struct {
b ethapi.Backend
newTxsFeed event.Feed
newTxsOnce sync.Once
chainFeed event.Feed
chainOnce sync.Once
chainHeadFeed event.Feed
chainHeadOnce sync.Once
chainSideFeed event.Feed
chainSideOnce sync.Once
logsFeed event.Feed
logsOnce sync.Once
pendingLogsFeed event.Feed
pendingLogsOnce sync.Once
removedLogsFeed event.Feed
removedLogsOnce sync.Once
chainConfig *params.ChainConfig
}
func NewBackend(b ethapi.Backend) *Backend {
return &Backend{b: b}
}
func (b *Backend) SuggestGasTipCap(ctx context.Context) (*big.Int, error) {
return b.b.SuggestGasTipCap(ctx)
}
func (b *Backend) ChainDb() restricted.Database {
return &dbWrapper{b.b.ChainDb()}
}
func (b *Backend) ExtRPCEnabled() bool {
return b.b.ExtRPCEnabled()
}
func (b *Backend) RPCGasCap() uint64 {
return b.b.RPCGasCap()
}
func (b *Backend) RPCTxFeeCap() float64 {
return b.b.RPCTxFeeCap()
}
func (b *Backend) UnprotectedAllowed() bool {
return b.b.UnprotectedAllowed()
}
func (b *Backend) SetHead(number uint64) {
b.b.SetHead(number)
}
func (b *Backend) HeaderByNumber(ctx context.Context, number int64) ([]byte, error) {
header, err := b.b.HeaderByNumber(ctx, rpc.BlockNumber(number))
if err != nil {
return nil, err
}
return rlp.EncodeToBytes(header)
}
func (b *Backend) HeaderByHash(ctx context.Context, hash core.Hash) ([]byte, error) {
header, err := b.b.HeaderByHash(ctx, common.Hash(hash))
if err != nil {
return nil, err
}
return rlp.EncodeToBytes(header)
}
func (b *Backend) CurrentHeader() []byte {
ret, _ := rlp.EncodeToBytes(b.b.CurrentHeader())
return ret
}
func (b *Backend) CurrentBlock() []byte {
ret, _ := rlp.EncodeToBytes(b.b.CurrentBlock())
return ret
}
func (b *Backend) BlockByNumber(ctx context.Context, number int64) ([]byte, error) {
block, err := b.b.BlockByNumber(ctx, rpc.BlockNumber(number))
if err != nil {
return nil, err
}
return rlp.EncodeToBytes(block)
}
func (b *Backend) BlockByHash(ctx context.Context, hash core.Hash) ([]byte, error) {
block, err := b.b.BlockByHash(ctx, common.Hash(hash))
if err != nil {
return nil, err
}
return rlp.EncodeToBytes(block)
}
func (b *Backend) GetReceipts(ctx context.Context, hash core.Hash) ([]byte, error) {
receipts, err := b.b.GetReceipts(ctx, common.Hash(hash))
if err != nil {
return nil, err
}
return json.Marshal(receipts)
}
func (b *Backend) GetTd(ctx context.Context, hash core.Hash) *big.Int {
return b.b.GetTd(ctx, common.Hash(hash))
}
func (b *Backend) SendTx(ctx context.Context, signedTx []byte) error {
tx := new(types.Transaction)
if err := tx.UnmarshalBinary(signedTx); err != nil {
return err
}
return b.b.SendTx(ctx, tx)
}
func (b *Backend) GetTransaction(ctx context.Context, txHash core.Hash) ([]byte, core.Hash, uint64, uint64, error) { // RLP Encoded transaction {
tx, blockHash, blockNumber, index, err := b.b.GetTransaction(ctx, common.Hash(txHash))
if err != nil {
return nil, core.Hash(blockHash), blockNumber, index, err
}
enc, err := tx.MarshalBinary()
return enc, core.Hash(blockHash), blockNumber, index, err
}
func (b *Backend) GetPoolTransactions() ([][]byte, error) {
txs, err := b.b.GetPoolTransactions()
if err != nil {
return nil, err
}
results := make([][]byte, len(txs))
for i, tx := range txs {
results[i], _ = rlp.EncodeToBytes(tx)
}
return results, nil
}
func (b *Backend) GetPoolTransaction(txHash core.Hash) []byte {
tx := b.b.GetPoolTransaction(common.Hash(txHash))
if tx == nil {
return []byte{}
}
enc, _ := rlp.EncodeToBytes(tx)
return enc
}
func (b *Backend) GetPoolNonce(ctx context.Context, addr core.Address) (uint64, error) {
return b.b.GetPoolNonce(ctx, common.Address(addr))
}
func (b *Backend) Stats() (pending int, queued int) {
return b.b.Stats()
}
func (b *Backend) TxPoolContent() (map[core.Address][][]byte, map[core.Address][][]byte) {
pending, queued := b.b.TxPoolContent()
trpending, trqueued := make(map[core.Address][][]byte), make(map[core.Address][][]byte)
for k, v := range pending {
trpending[core.Address(k)] = make([][]byte, len(v))
for i, tx := range v {
trpending[core.Address(k)][i], _ = tx.MarshalBinary()
}
}
for k, v := range queued {
trqueued[core.Address(k)] = make([][]byte, len(v))
for i, tx := range v {
trpending[core.Address(k)][i], _ = tx.MarshalBinary()
}
}
return trpending, trqueued
} // RLP encoded transactions
func (b *Backend) BloomStatus() (uint64, uint64) {
return b.b.BloomStatus()
}
func (b *Backend) GetLogs(ctx context.Context, blockHash core.Hash) ([][]byte, error) {
logs, err := b.b.GetLogs(ctx, common.Hash(blockHash))
if err != nil {
return nil, err
}
encLogs := make([][]byte, len(logs))
for i, log := range logs {
encLogs[i], _ = rlp.EncodeToBytes(log)
}
return encLogs, nil
} // []RLP encoded logs
type dli interface {
SyncProgress() ethereum.SyncProgress
}
type dl struct {
dl dli
}
type progress struct {
p ethereum.SyncProgress
}
func (p *progress) StartingBlock() uint64 {
return p.p.StartingBlock
}
func (p *progress) CurrentBlock() uint64 {
return p.p.CurrentBlock
}
func (p *progress) HighestBlock() uint64 {
return p.p.HighestBlock
}
func (p *progress) PulledStates() uint64 {
return p.p.PulledStates
}
func (p *progress) KnownStates() uint64 {
return p.p.KnownStates
}
func (d *dl) Progress() core.Progress {
return &progress{d.dl.SyncProgress()}
}
func (b *Backend) Downloader() core.Downloader {
return &dl{b.b}
}
func (b *Backend) SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) core.Subscription {
var sub event.Subscription
b.newTxsOnce.Do(func() {
bch := make(chan gcore.NewTxsEvent, 100)
sub = b.b.SubscribeNewTxsEvent(bch)
go func() {
for {
select {
case item := <-bch:
txe := core.NewTxsEvent{
Txs: make([][]byte, len(item.Txs)),
}
for i, tx := range item.Txs {
txe.Txs[i], _ = tx.MarshalBinary()
}
b.newTxsFeed.Send(txe)
case err := <-sub.Err():
log.Warn("Subscription error for NewTxs", "err", err)
return
}
}
}()
})
return b.newTxsFeed.Subscribe(ch)
}
func (b *Backend) SubscribeChainEvent(ch chan<- core.ChainEvent) core.Subscription {
var sub event.Subscription
b.chainOnce.Do(func() {
bch := make(chan gcore.ChainEvent, 100)
sub = b.b.SubscribeChainEvent(bch)
go func() {
for {
select {
case item := <-bch:
ce := core.ChainEvent{
Hash: core.Hash(item.Hash),
}
ce.Block, _ = rlp.EncodeToBytes(item.Block)
ce.Logs, _ = rlp.EncodeToBytes(item.Logs)
b.chainFeed.Send(ce)
case err := <-sub.Err():
log.Warn("Subscription error for Chain", "err", err)
return
}
}
}()
})
return b.chainFeed.Subscribe(ch)
}
func (b *Backend) SubscribeChainHeadEvent(ch chan<- core.ChainHeadEvent) core.Subscription {
var sub event.Subscription
b.chainHeadOnce.Do(func() {
bch := make(chan gcore.ChainHeadEvent, 100)
sub = b.b.SubscribeChainHeadEvent(bch)
go func() {
for {
select {
case item := <-bch:
che := core.ChainHeadEvent{}
che.Block, _ = rlp.EncodeToBytes(item.Block)
b.chainHeadFeed.Send(che)
case err := <-sub.Err():
log.Warn("Subscription error for ChainHead", "err", err)
return
}
}
}()
})
return b.chainHeadFeed.Subscribe(ch)
}
func (b *Backend) SubscribeChainSideEvent(ch chan<- core.ChainSideEvent) core.Subscription {
var sub event.Subscription
b.chainSideOnce.Do(func() {
bch := make(chan gcore.ChainSideEvent, 100)
sub = b.b.SubscribeChainSideEvent(bch)
go func() {
for {
select {
case item := <-bch:
cse := core.ChainSideEvent{}
cse.Block, _ = rlp.EncodeToBytes(item.Block)
b.chainSideFeed.Send(cse)
case err := <-sub.Err():
log.Warn("Subscription error for ChainSide", "err", err)
return
}
}
}()
})
return b.chainSideFeed.Subscribe(ch)
}
func (b *Backend) SubscribeLogsEvent(ch chan<- [][]byte) core.Subscription {
var sub event.Subscription
b.logsOnce.Do(func() {
bch := make(chan []*types.Log, 100)
sub = b.b.SubscribeLogsEvent(bch)
go func() {
for {
select {
case item := <-bch:
logs := make([][]byte, len(item))
for i, log := range item {
logs[i], _ = rlp.EncodeToBytes(log)
}
b.logsFeed.Send(logs)
case err := <-sub.Err():
log.Warn("Subscription error for Logs", "err", err)
return
}
}
}()
})
return b.logsFeed.Subscribe(ch)
} // []RLP encoded logs
func (b *Backend) SubscribePendingLogsEvent(ch chan<- [][]byte) core.Subscription {
var sub event.Subscription
b.pendingLogsOnce.Do(func() {
bch := make(chan []*types.Log, 100)
sub = b.b.SubscribePendingLogsEvent(bch)
go func() {
for {
select {
case item := <-bch:
logs := make([][]byte, len(item))
for i, log := range item {
logs[i], _ = rlp.EncodeToBytes(log)
}
b.pendingLogsFeed.Send(logs)
case err := <-sub.Err():
log.Warn("Subscription error for PendingLogs", "err", err)
return
}
}
}()
})
return b.pendingLogsFeed.Subscribe(ch)
} // RLP Encoded logs
func (b *Backend) SubscribeRemovedLogsEvent(ch chan<- []byte) core.Subscription {
var sub event.Subscription
b.removedLogsOnce.Do(func() {
bch := make(chan gcore.RemovedLogsEvent, 100)
sub = b.b.SubscribeRemovedLogsEvent(bch)
go func() {
for {
select {
case item := <-bch:
logs := make([][]byte, len(item.Logs))
for i, log := range item.Logs {
logs[i], _ = rlp.EncodeToBytes(log)
}
b.removedLogsFeed.Send(item)
case err := <-sub.Err():
log.Warn("Subscription error for RemovedLogs", "err", err)
return
}
}
}()
})
return b.removedLogsFeed.Subscribe(ch)
} // RLP encoded logs
func convertAndSet(a, b reflect.Value) (err error) {
defer func() {
if recover() != nil {
fmt.Errorf("error converting: %v", err.Error())
}
}()
a.Set(b.Convert(a.Type()))
return nil
}
func (b *Backend) ChainConfig() *params.ChainConfig {
// We're using the reflect library to copy data from params.ChainConfig to
// pparams.ChainConfig, so this function shouldn't need to be touched for
// simple changes to ChainConfig (though pparams.ChainConfig may need to be
// updated). Note that this probably won't carry over consensus engine data.
if b.chainConfig != nil {
return b.chainConfig
}
b.chainConfig = &params.ChainConfig{}
nval := reflect.ValueOf(b.b.ChainConfig())
ntype := nval.Elem().Type()
lval := reflect.ValueOf(b.chainConfig)
for i := 0; i < nval.Elem().NumField(); i++ {
field := ntype.Field(i)
v := nval.Elem().FieldByName(field.Name)
lv := lval.Elem().FieldByName(field.Name)
log.Info("Checking value for", "field", field.Name)
if lv.Kind() != reflect.Invalid {
// If core.ChainConfig doesn't have this field, skip it.
if v.Type() == lv.Type() && lv.CanSet() {
lv.Set(v)
} else {
convertAndSet(lv, v)
}
}
}
return b.chainConfig
}