cerc-io/plugeth
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eth: enable preimage recording when tracing (#15787)

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cdetrio 2018-01-02 06:49:17 -05:00 committed by Felix Lange
parent 413cc5b0c8
commit c495bca4ad
1 changed files with 4 additions and 1 deletions
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5
eth/api_tracer.go
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@ -667,12 +667,15 @@ func (api *PrivateDebugAPI) traceTx(ctx context.Context, message core.Message, v
tracer = vm.NewStructLogger(config.LogConfig)
}
// Run the transaction with tracing enabled.
vmenv := vm.NewEVM(vmctx, statedb, api.config, vm.Config{Debug: true, Tracer: tracer})
vmenv := vm.NewEVM(vmctx, statedb, api.config, vm.Config{Debug: true, Tracer: tracer, EnablePreimageRecording: true})
ret, gas, failed, err := core.ApplyMessage(vmenv, message, new(core.GasPool).AddGas(message.Gas()))
if err != nil {
return nil, fmt.Errorf("tracing failed: %v", err)
}
if err := core.WritePreimages(api.eth.ChainDb(), vmctx.BlockNumber.Uint64(), statedb.Preimages()); err != nil {
return nil, fmt.Errorf("Error writing preimage from trace: %v", err)
}
// Depending on the tracer type, format and return the output
switch tracer := tracer.(type) {
case *vm.StructLogger: