79 lines
2.3 KiB
Go
79 lines
2.3 KiB
Go
package commands
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import (
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"context"
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"github.com/ledgerwatch/erigon-lib/kv"
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"github.com/ledgerwatch/erigon/common"
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"github.com/ledgerwatch/erigon/consensus/ethash"
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"github.com/ledgerwatch/erigon/core"
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"github.com/ledgerwatch/erigon/core/state"
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"github.com/ledgerwatch/erigon/core/types"
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"github.com/ledgerwatch/erigon/core/vm"
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"github.com/ledgerwatch/erigon/params"
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"github.com/ledgerwatch/erigon/turbo/shards"
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"github.com/ledgerwatch/log/v3"
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)
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type GenericTracer interface {
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vm.Tracer
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SetTransaction(tx types.Transaction)
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Found() bool
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}
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func (api *OtterscanAPIImpl) genericTracer(dbtx kv.Tx, ctx context.Context, blockNum uint64, chainConfig *params.ChainConfig, tracer GenericTracer) error {
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block, err := api.blockByNumberWithSenders(dbtx, blockNum)
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if err != nil {
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return err
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}
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log.Info("got block with senders")
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if block == nil {
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return nil
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}
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reader := state.NewPlainState(dbtx, blockNum)
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stateCache := shards.NewStateCache(32, 0 /* no limit */)
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cachedReader := state.NewCachedReader(reader, stateCache)
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noop := state.NewNoopWriter()
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cachedWriter := state.NewCachedWriter(noop, stateCache)
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ibs := state.New(cachedReader)
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signer := types.MakeSigner(chainConfig, blockNum)
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log.Info("created states")
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getHeader := func(hash common.Hash, number uint64) *types.Header {
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h, e := api._blockReader.Header(ctx, dbtx, hash, number)
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if e != nil {
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log.Error("getHeader error", "number", number, "hash", hash, "err", e)
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}
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return h
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}
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engine := ethash.NewFaker()
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header := block.Header()
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rules := chainConfig.Rules(block.NumberU64())
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log.Info("got transactions", "amt", len(block.Transactions()))
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for idx, tx := range block.Transactions() {
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log.Info("processing txn", "idx", idx)
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ibs.Prepare(tx.Hash(), block.Hash(), idx)
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msg, _ := tx.AsMessage(*signer, header.BaseFee, rules)
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BlockContext := core.NewEVMBlockContext(header, core.GetHashFn(header, getHeader), engine, nil)
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TxContext := core.NewEVMTxContext(msg)
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vmenv := vm.NewEVM(BlockContext, TxContext, ibs, chainConfig, vm.Config{Debug: true, Tracer: tracer})
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if _, err := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(tx.GetGas()), true /* refunds */, false /* gasBailout */); err != nil {
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return err
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}
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_ = ibs.FinalizeTx(vmenv.ChainConfig().Rules(block.NumberU64()), cachedWriter)
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if tracer.Found() {
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tracer.SetTransaction(tx)
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return nil
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}
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}
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return nil
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}
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