Exemple #1
0
func (bm *BitMessage) calculateChecksumAndLength() {
	tmp := mymath.Uint322HexRev(uint32(len(bm.Payload)))

	for i := 0; i < 4; i++ {
		bm.Length[i] = tmp[i]
	}

	tmp = mymath.DoubleSHA(bm.Payload)

	for i := 0; i < 4; i++ {
		bm.Checksum[i] = tmp[i]
	}
}
Exemple #2
0
func (b *Block) Hash() []byte {
	answer := make([]byte, len(b.Version)+len(b.PrevBlock)+len(b.MerkleRoot)+len(b.Timestamp)+len(b.Bits)+len(b.Nonce))

	iterator := 0
	copy(answer[iterator:], b.Version[:])
	iterator += len(b.Version)
	copy(answer[iterator:], b.PrevBlock[:])
	iterator += len(b.PrevBlock)
	copy(answer[iterator:], b.MerkleRoot[:])
	iterator += len(b.MerkleRoot)
	copy(answer[iterator:], b.Timestamp[:])
	iterator += len(b.Timestamp)
	copy(answer[iterator:], b.Bits[:])
	iterator += len(b.Bits)
	copy(answer[iterator:], b.Nonce[:])

	return mymath.Rev(mymath.DoubleSHA(answer))
}
Exemple #3
0
//TODO: test
//TODO: double check if rev or not
func (t *Tx) Hash() []byte {
	return mymath.DoubleSHA(t.Compile())
}