Function NewDebugEngine

txscript/engine.go:1713–1728

NewEngine returns a new script engine with a script execution callback set. This is useful for debugging script execution.

(scriptPubKey []byte, tx *wire.MsgTx, txIdx int,
	flags ScriptFlags, sigCache *SigCache, hashCache *TxSigHashes,
	inputAmount int64, prevOutFetcher PrevOutputFetcher,
	stepCallback func(*StepInfo) error)

// NewEngine returns a new script engine with a script execution callback set.
// This is useful for debugging script execution.
func NewDebugEngine(scriptPubKey []byte, tx *wire.MsgTx, txIdx int,
	flags ScriptFlags, sigCache *SigCache, hashCache *TxSigHashes,
	inputAmount int64, prevOutFetcher PrevOutputFetcher,
	stepCallback func(*StepInfo) error) (*Engine, error) {

	vm, err := NewEngine(
		scriptPubKey, tx, txIdx, flags, sigCache, hashCache,
		inputAmount, prevOutFetcher,
	)
	if err != nil {
		return nil, err
	}

	vm.stepCallback = stepCallback
	return vm, nil
}