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