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189 lines
4.4 KiB
189 lines
4.4 KiB
package hd
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import (
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"bytes"
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"crypto/hmac"
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"crypto/sha512"
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"encoding/binary"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"os"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/tyler-smith/go-bip39"
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"github.com/btcsuite/btcd/chaincfg"
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"github.com/btcsuite/btcutil/hdkeychain"
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"github.com/mndrix/btcutil"
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"github.com/tyler-smith/go-bip32"
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"github.com/tendermint/go-crypto"
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)
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type addrData struct {
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Mnemonic string
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Master string
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Seed string
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Priv string
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Pub string
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Addr string
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}
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// NOTE: atom fundraiser address
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var hdPath string = "m/44'/118'/0'/0/0"
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var hdToAddrTable []addrData
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func init() {
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b, err := ioutil.ReadFile("test.json")
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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err = json.Unmarshal(b, &hdToAddrTable)
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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}
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func TestHDToAddr(t *testing.T) {
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for i, d := range hdToAddrTable {
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privB, _ := hex.DecodeString(d.Priv)
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pubB, _ := hex.DecodeString(d.Pub)
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addrB, _ := hex.DecodeString(d.Addr)
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seedB, _ := hex.DecodeString(d.Seed)
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masterB, _ := hex.DecodeString(d.Master)
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seed := bip39.NewSeed(d.Mnemonic, "")
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fmt.Println("================================")
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fmt.Println("ROUND:", i, "MNEMONIC:", d.Mnemonic)
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// master, priv, pub := tylerSmith(seed)
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// master, priv, pub := btcsuite(seed)
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master, priv, pub := gocrypto(seed)
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fmt.Printf("\tNODEJS GOLANG\n")
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fmt.Printf("SEED \t%X %X\n", seedB, seed)
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fmt.Printf("MSTR \t%X %X\n", masterB, master)
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fmt.Printf("PRIV \t%X %X\n", privB, priv)
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fmt.Printf("PUB \t%X %X\n", pubB, pub)
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_, _ = priv, privB
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assert.Equal(t, master, masterB, fmt.Sprintf("Expected masters to match for %d", i))
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assert.Equal(t, priv, privB, "Expected priv keys to match")
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assert.Equal(t, pub, pubB, fmt.Sprintf("Expected pub keys to match for %d", i))
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var pubT crypto.PubKeySecp256k1
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copy(pubT[:], pub)
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addr := pubT.Address()
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fmt.Printf("ADDR \t%X %X\n", addrB, addr)
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assert.Equal(t, addr, addrB, fmt.Sprintf("Expected addresses to match %d", i))
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}
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}
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func ifExit(err error, n int) {
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if err != nil {
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fmt.Println(n, err)
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os.Exit(1)
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}
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}
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func gocrypto(seed []byte) ([]byte, []byte, []byte) {
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_, priv, ch, _ := ComputeMastersFromSeed(string(seed))
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privBytes := DerivePrivateKeyForPath(
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HexDecode(priv),
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HexDecode(ch),
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"44'/118'/0'/0/0",
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)
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pubBytes := PubKeyBytesFromPrivKeyBytes(privBytes, true)
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return HexDecode(priv), privBytes, pubBytes
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}
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func btcsuite(seed []byte) ([]byte, []byte, []byte) {
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fmt.Println("HD")
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masterKey, err := hdkeychain.NewMaster(seed, &chaincfg.MainNetParams)
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if err != nil {
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hmac := hmac.New(sha512.New, []byte("Bitcoin seed"))
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hmac.Write([]byte(seed))
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intermediary := hmac.Sum(nil)
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curve := btcutil.Secp256k1()
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curveParams := curve.Params()
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// Split it into our key and chain code
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keyBytes := intermediary[:32]
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fmt.Printf("\t%X\n", keyBytes)
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fmt.Printf("\t%X\n", curveParams.N.Bytes())
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keyInt, _ := binary.ReadVarint(bytes.NewBuffer(keyBytes))
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fmt.Printf("\t%d\n", keyInt)
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}
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fh := hdkeychain.HardenedKeyStart
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k, err := masterKey.Child(uint32(fh + 44))
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ifExit(err, 44)
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k, err = k.Child(uint32(fh + 118))
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ifExit(err, 118)
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k, err = k.Child(uint32(fh + 0))
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ifExit(err, 1)
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k, err = k.Child(uint32(0))
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ifExit(err, 2)
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k, err = k.Child(uint32(0))
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ifExit(err, 3)
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ecpriv, err := k.ECPrivKey()
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ifExit(err, 10)
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ecpub, err := k.ECPubKey()
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ifExit(err, 11)
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priv := ecpriv.Serialize()
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pub := ecpub.SerializeCompressed()
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mkey, _ := masterKey.ECPrivKey()
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return mkey.Serialize(), priv, pub
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}
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// return priv and pub
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func tylerSmith(seed []byte) ([]byte, []byte, []byte) {
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masterKey, err := bip32.NewMasterKey(seed)
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if err != nil {
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hmac := hmac.New(sha512.New, []byte("Bitcoin seed"))
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hmac.Write([]byte(seed))
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intermediary := hmac.Sum(nil)
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curve := btcutil.Secp256k1()
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curveParams := curve.Params()
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// Split it into our key and chain code
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keyBytes := intermediary[:32]
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fmt.Printf("\t%X\n", keyBytes)
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fmt.Printf("\t%X\n", curveParams.N.Bytes())
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keyInt, _ := binary.ReadVarint(bytes.NewBuffer(keyBytes))
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fmt.Printf("\t%d\n", keyInt)
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}
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ifExit(err, 0)
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fh := bip32.FirstHardenedChild
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k, err := masterKey.NewChildKey(fh + 44)
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ifExit(err, 44)
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k, err = k.NewChildKey(fh + 118)
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ifExit(err, 118)
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k, err = k.NewChildKey(fh + 0)
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ifExit(err, 1)
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k, err = k.NewChildKey(0)
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ifExit(err, 2)
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k, err = k.NewChildKey(0)
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ifExit(err, 3)
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priv := k.Key
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pub := k.PublicKey().Key
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return masterKey.Key, priv, pub
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}
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