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| author | dm4 <sunrisedm4@gmail.com> | 2018-04-06 18:43:36 +0800 |
|---|---|---|
| committer | Felix Lange <fjl@users.noreply.github.com> | 2018-04-06 18:43:36 +0800 |
| commit | 3ebcf92b423e67b58a72a3fc126449e4e97bc4c8 (patch) | |
| tree | 2e01dc3042fd6fbbeed7ef9c983744629acb5527 /core | |
| parent | c43792a42cad46a15ee00417d52bd3859a98500c (diff) | |
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cmd/evm: print vm output when debug flag is on (#16326)
Diffstat (limited to 'core')
| -rw-r--r-- | core/vm/logger.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/core/vm/logger.go b/core/vm/logger.go index 4c820d8b5..dde1903bf 100644 --- a/core/vm/logger.go +++ b/core/vm/logger.go @@ -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 } |