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cmd/evm: print vm output when debug flag is on (#16326)

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This commit is contained in:
dm4 2018-04-06 18:43:36 +08:00 committed by Felix Lange
parent c43792a42c
commit 3ebcf92b42
2 changed files with 9 additions and 3 deletions
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5
cmd/evm/runner.go
View File

@ -76,6 +76,7 @@ func runCmd(ctx *cli.Context) error {
logconfig := &vm.LogConfig{
DisableMemory: ctx.GlobalBool(DisableMemoryFlag.Name),
DisableStack: ctx.GlobalBool(DisableStackFlag.Name),
Debug: ctx.GlobalBool(DebugFlag.Name),
}
var (
@ -234,9 +235,7 @@ Gas used: %d
`, execTime, mem.HeapObjects, mem.Alloc, mem.TotalAlloc, mem.NumGC, initialGas-leftOverGas)
}
if tracer != nil {
tracer.CaptureEnd(ret, initialGas-leftOverGas, execTime, err)
} else {
if tracer == nil {
fmt.Printf("0x%x\n", ret)
if err != nil {
fmt.Printf(" error: %v\n", err)

7
core/vm/logger.go
View File

@ -45,6 +45,7 @@ type LogConfig struct {
DisableMemory bool // disable memory capture
DisableStack bool // disable stack capture
DisableStorage bool // disable storage capture
Debug bool // print output during capture end
Limit int // maximum length of output, but zero means unlimited
}
@ -184,6 +185,12 @@ func (l *StructLogger) CaptureFault(env *EVM, pc uint64, op OpCode, gas, cost ui
func (l *StructLogger) CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error) error {
l.output = output
l.err = err
if l.cfg.Debug {
fmt.Printf("0x%x\n", output)
if err != nil {
fmt.Printf(" error: %v\n", err)
}
}
return nil
}