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))
}
func (b *Block) SetMerkleRootStrRev(merkle string) {
if len(merkle) == 64 {
answer := mymath.String2Hex(merkle)
copy(b.MerkleRoot[:], mymath.Rev(answer))
}
}
func (b *Block) SetPrevBlockStrRev(prev string) {
if len(prev) == 32 {
answer := mymath.String2Hex(prev)
copy(b.PrevBlock[:], mymath.Rev(answer))
}
}