Example #1
0
func NewContractAddress(caller []byte, nonce int) []byte {
	temp := make([]byte, 32+8)
	copy(temp, caller)
	PutInt64BE(temp[32:], int64(nonce))
	hasher := ripemd160.New()
	hasher.Write(temp) // does not error
	return hasher.Sum(nil)
}
Example #2
0
// TODO: Slicing the array gives us length prefixing but loses the type byte.
// Revisit if we add more pubkey types.
// For now, we artificially append the type byte in front to give us backwards
// compatibility for when the pubkey wasn't fixed length array
func (pubKey PubKeyEd25519) Address() []byte {
	w, n, err := new(bytes.Buffer), new(int64), new(error)
	wire.WriteBinary(pubKey[:], w, n, err)
	if *err != nil {
		PanicCrisis(*err)
	}
	// append type byte
	encodedPubkey := append([]byte{1}, w.Bytes()...)
	hasher := ripemd160.New()
	hasher.Write(encodedPubkey) // does not error
	return hasher.Sum(nil)
}