From 9d48dbf5c2d0401042134d94997be1850bf8499b Mon Sep 17 00:00:00 2001 From: Felix Lange Date: Wed, 3 Jan 2018 11:58:25 +0100 Subject: [PATCH] eth: revert tracer preimage recording (#15800) This reverts commits 85a1eda59e (#15792) and c495bca4ad (#15787) because they introduce database writes during tracing. --- eth/api_tracer.go | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/eth/api_tracer.go b/eth/api_tracer.go index 26e47dcb6..0d0e2a73c 100644 --- a/eth/api_tracer.go +++ b/eth/api_tracer.go @@ -667,15 +667,12 @@ 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, EnablePreimageRecording: true}) + vmenv := vm.NewEVM(vmctx, statedb, api.config, vm.Config{Debug: true, Tracer: tracer}) 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("can't write preimage: %v", err) - } // Depending on the tracer type, format and return the output switch tracer := tracer.(type) { case *vm.StructLogger: