// Returns the encoded size and the hash of it (avoids duplicate encoding)
func (self *Transaction) SizeHash() (int, cipher.SHA256) {
b := self.Serialize()
return len(b), cipher.SumDoubleSHA256(b)
}
func (self *BlockHeader) Hash() cipher.SHA256 {
b1 := encoder.Serialize(*self)
return cipher.SumDoubleSHA256(b1)
}
// Hashes an entire Transaction struct, including the TransactionHeader
func (self *Transaction) Hash() cipher.SHA256 {
b := self.Serialize()
return cipher.SumDoubleSHA256(b)
}