Function isOpcodeConditional

txscript/engine.go:393–406

isOpcodeConditional returns whether or not the opcode is a conditional opcode which changes the conditional execution stack when executed.

(opcode byte)

// isOpcodeConditional returns whether or not the opcode is a conditional opcode
// which changes the conditional execution stack when executed.
func isOpcodeConditional(opcode byte) bool {
	switch opcode {
	case OP_IF:
		return true
	case OP_NOTIF:
		return true
	case OP_ELSE:
		return true
	case OP_ENDIF:
		return true
	default:
		return false
	}
}

// checkMinimalDataPush returns whether or not the provided opcode is the
// smallest possible way to represent the given data.  For example, the value 15