From c495bca4adef24811e92f9dfa5149b32ac81ef65 Mon Sep 17 00:00:00 2001 From: cdetrio Date: Tue, 2 Jan 2018 06:49:17 -0500 Subject: [PATCH] eth: enable preimage recording when tracing (#15787) --- eth/api_tracer.go | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/eth/api_tracer.go b/eth/api_tracer.go index 0d0e2a73c..8ad664e06 100644 --- a/eth/api_tracer.go +++ b/eth/api_tracer.go @@ -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: