Method PeekByteArray

txscript/stack.go:106–115

PeekByteArray returns the Nth item on the stack without removing it.

(idx int32)

// PeekByteArray returns the Nth item on the stack without removing it.
func (s *stack) PeekByteArray(idx int32) ([]byte, error) {
	sz := int32(len(s.stk))
	if idx < 0 || idx >= sz {
		str := fmt.Sprintf("index %d is invalid for stack size %d", idx,
			sz)
		return nil, scriptError(ErrInvalidStackOperation, str)
	}

	return s.stk[sz-idx-1], nil
}

// PeekInt returns the Nth item on the stack as a script num without removing
// it.  The act of converting to a script num enforces the consensus rules