diff options
Diffstat (limited to 'core/vm/logger.go')
-rw-r--r-- | core/vm/logger.go | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/core/vm/logger.go b/core/vm/logger.go index c32a7b404..85acb8d6d 100644 --- a/core/vm/logger.go +++ b/core/vm/logger.go @@ -29,8 +29,10 @@ import ( "github.com/ethereum/go-ethereum/core/types" ) +// Storage represents a contract's storage. type Storage map[common.Hash]common.Hash +// Copy duplicates the current storage. func (s Storage) Copy() Storage { cpy := make(Storage) for key, value := range s { @@ -76,10 +78,12 @@ type structLogMarshaling struct { ErrorString string `json:"error"` // adds call to ErrorString() in MarshalJSON } +// OpName formats the operand name in a human-readable format. func (s *StructLog) OpName() string { return s.Op.String() } +// ErrorString formats the log's error as a string. func (s *StructLog) ErrorString() string { if s.Err != nil { return s.Err.Error() @@ -124,6 +128,7 @@ func NewStructLogger(cfg *LogConfig) *StructLogger { return logger } +// CaptureStart implements the Tracer interface to initialize the tracing operation. func (l *StructLogger) CaptureStart(from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int) error { return nil } @@ -178,10 +183,13 @@ func (l *StructLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, cost ui return nil } +// CaptureFault implements the Tracer interface to trace an execution fault +// while running an opcode. func (l *StructLogger) CaptureFault(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, contract *Contract, depth int, err error) error { return nil } +// CaptureEnd is called after the call finishes to finalize the tracing. func (l *StructLogger) CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error) error { l.output = output l.err = err |