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multichain_test.go
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package multichain_test
import (
"bytes"
"context"
"encoding/hex"
"encoding/json"
"fmt"
"math/rand"
"os"
"os/exec"
"reflect"
"strings"
"testing/quick"
"time"
"github.com/btcsuite/btcd/btcec"
"github.com/btcsuite/btcd/chaincfg"
"github.com/btcsuite/btcd/txscript"
"github.com/btcsuite/btcutil"
"github.com/btcsuite/btcutil/base58"
cosmossdk "github.com/cosmos/cosmos-sdk/types"
filaddress "github.com/filecoin-project/go-address"
filtypes "github.com/filecoin-project/lotus/chain/types"
"github.com/renproject/id"
"github.com/renproject/multichain"
"github.com/renproject/multichain/chain/bitcoin"
"github.com/renproject/multichain/chain/bitcoincash"
// "github.com/renproject/multichain/chain/digibyte"
"github.com/renproject/multichain/chain/dogecoin"
"github.com/renproject/multichain/chain/filecoin"
"github.com/renproject/multichain/chain/terra"
"github.com/renproject/multichain/chain/zcash"
"github.com/renproject/pack"
"github.com/renproject/surge"
"github.com/tendermint/tendermint/crypto/secp256k1"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Multichain", func() {
// new randomness
r := rand.New(rand.NewSource(time.Now().UnixNano()))
// Create context to work within.
ctx := context.Background()
// Initialise the logger.
loggerConfig := zap.NewDevelopmentConfig()
loggerConfig.EncoderConfig.EncodeLevel = zapcore.CapitalColorLevelEncoder
logger, err := loggerConfig.Build()
Expect(err).ToNot(HaveOccurred())
//
// ADDRESS API
//
Context("Address API", func() {
chainTable := []struct {
chain multichain.Chain
newEncodeDecoder func() multichain.AddressEncodeDecoder
newAddress func() multichain.Address
newRawAddress func() multichain.RawAddress
newSHAddress func() multichain.Address
newSHRawAddress func() multichain.RawAddress
}{
{
multichain.Bitcoin,
func() multichain.AddressEncodeDecoder {
addrEncodeDecoder := bitcoin.NewAddressEncodeDecoder(&chaincfg.RegressionNetParams)
return addrEncodeDecoder
},
func() multichain.Address {
// Generate a random SECP256K1 private key.
pk := id.NewPrivKey()
// Get bitcoin WIF private key with the pub key configured to be in
// the compressed form.
wif, err := btcutil.NewWIF((*btcec.PrivateKey)(pk), &chaincfg.RegressionNetParams, true)
Expect(err).NotTo(HaveOccurred())
addrPubKeyHash, err := btcutil.NewAddressPubKeyHash(btcutil.Hash160(wif.SerializePubKey()), &chaincfg.RegressionNetParams)
Expect(err).NotTo(HaveOccurred())
// Return the human-readable encoded bitcoin address in base58 format.
return multichain.Address(addrPubKeyHash.EncodeAddress())
},
func() multichain.RawAddress {
// Generate a random SECP256K1 private key.
pk := id.NewPrivKey()
// Get bitcoin WIF private key with the pub key configured to be in
// the compressed form.
wif, err := btcutil.NewWIF((*btcec.PrivateKey)(pk), &chaincfg.RegressionNetParams, true)
Expect(err).NotTo(HaveOccurred())
// Get the address pubKey hash. This is the most commonly used format
// for a bitcoin address.
addrPubKeyHash, err := btcutil.NewAddressPubKeyHash(btcutil.Hash160(wif.SerializePubKey()), &chaincfg.RegressionNetParams)
Expect(err).NotTo(HaveOccurred())
// Encode into the checksummed base58 format.
encoded := addrPubKeyHash.EncodeAddress()
return multichain.RawAddress(pack.Bytes(base58.Decode(encoded)))
},
func() multichain.Address {
// Random bytes of script.
script := make([]byte, r.Intn(100))
r.Read(script)
// Create address script hash from the random script bytes.
addrScriptHash, err := btcutil.NewAddressScriptHash(script, &chaincfg.RegressionNetParams)
Expect(err).NotTo(HaveOccurred())
// Return in human-readable encoded form.
return multichain.Address(addrScriptHash.EncodeAddress())
},
func() multichain.RawAddress {
// Random bytes of script.
script := make([]byte, r.Intn(100))
r.Read(script)
// Create address script hash from the random script bytes.
addrScriptHash, err := btcutil.NewAddressScriptHash(script, &chaincfg.RegressionNetParams)
Expect(err).NotTo(HaveOccurred())
// Encode to the checksummed base58 format.
encoded := addrScriptHash.EncodeAddress()
return multichain.RawAddress(pack.Bytes(base58.Decode(encoded)))
},
},
{
multichain.Filecoin,
func() multichain.AddressEncodeDecoder {
return filecoin.NewAddressEncodeDecoder()
},
func() multichain.Address {
pubKey := make([]byte, 64)
r.Read(pubKey)
addr, err := filaddress.NewSecp256k1Address(pubKey)
Expect(err).NotTo(HaveOccurred())
return multichain.Address(addr.String())
},
func() multichain.RawAddress {
rawAddr := make([]byte, 20)
r.Read(rawAddr)
formattedRawAddr := append([]byte{byte(filaddress.SECP256K1)}, rawAddr[:]...)
return multichain.RawAddress(pack.NewBytes(formattedRawAddr[:]))
},
func() multichain.Address {
return multichain.Address("")
},
func() multichain.RawAddress {
return multichain.RawAddress([]byte{})
},
},
{
multichain.Terra,
func() multichain.AddressEncodeDecoder {
return terra.NewAddressEncodeDecoder()
},
func() multichain.Address {
pk := secp256k1.GenPrivKey()
addr := cosmossdk.AccAddress(pk.PubKey().Address())
return multichain.Address(addr.String())
},
func() multichain.RawAddress {
pk := secp256k1.GenPrivKey()
rawAddr := pk.PubKey().Address()
return multichain.RawAddress(pack.Bytes(rawAddr))
},
func() multichain.Address {
return multichain.Address("")
},
func() multichain.RawAddress {
return multichain.RawAddress([]byte{})
},
},
{
multichain.BitcoinCash,
func() multichain.AddressEncodeDecoder {
addrEncodeDecoder := bitcoincash.NewAddressEncodeDecoder(&chaincfg.RegressionNetParams)
return addrEncodeDecoder
},
func() multichain.Address {
pk := id.NewPrivKey()
wif, err := btcutil.NewWIF((*btcec.PrivateKey)(pk), &chaincfg.RegressionNetParams, true)
Expect(err).NotTo(HaveOccurred())
addrPubKeyHash, err := bitcoincash.NewAddressPubKeyHash(btcutil.Hash160(wif.PrivKey.PubKey().SerializeUncompressed()), &chaincfg.RegressionNetParams)
Expect(err).NotTo(HaveOccurred())
return multichain.Address(addrPubKeyHash.EncodeAddress())
},
func() multichain.RawAddress {
pk := id.NewPrivKey()
wif, err := btcutil.NewWIF((*btcec.PrivateKey)(pk), &chaincfg.RegressionNetParams, true)
Expect(err).NotTo(HaveOccurred())
addrPubKeyHash, err := bitcoincash.NewAddressPubKeyHash(btcutil.Hash160(wif.PrivKey.PubKey().SerializeUncompressed()), &chaincfg.RegressionNetParams)
Expect(err).NotTo(HaveOccurred())
addrBytes := addrPubKeyHash.ScriptAddress()
addrBytes = append([]byte{0x00}, addrBytes...)
return multichain.RawAddress(pack.Bytes(addrBytes))
},
func() multichain.Address {
script := make([]byte, r.Intn(100))
r.Read(script)
addrScriptHash, err := bitcoincash.NewAddressScriptHash(script, &chaincfg.RegressionNetParams)
Expect(err).NotTo(HaveOccurred())
return multichain.Address(addrScriptHash.EncodeAddress())
},
func() multichain.RawAddress {
script := make([]byte, r.Intn(100))
r.Read(script)
addrScriptHash, err := bitcoincash.NewAddressScriptHash(script, &chaincfg.RegressionNetParams)
Expect(err).NotTo(HaveOccurred())
addrBytes := addrScriptHash.ScriptAddress()
addrBytes = append([]byte{8}, addrBytes...)
return multichain.RawAddress(pack.Bytes(addrBytes))
},
},
{
multichain.Zcash,
func() multichain.AddressEncodeDecoder {
addrEncodeDecoder := zcash.NewAddressEncodeDecoder(&zcash.RegressionNetParams)
return addrEncodeDecoder
},
func() multichain.Address {
pk := id.NewPrivKey()
wif, err := btcutil.NewWIF((*btcec.PrivateKey)(pk), zcash.RegressionNetParams.Params, true)
Expect(err).NotTo(HaveOccurred())
addrPubKeyHash, err := zcash.NewAddressPubKeyHash(btcutil.Hash160(wif.PrivKey.PubKey().SerializeUncompressed()), &zcash.RegressionNetParams)
Expect(err).NotTo(HaveOccurred())
return multichain.Address(addrPubKeyHash.EncodeAddress())
},
func() multichain.RawAddress {
pk := id.NewPrivKey()
wif, err := btcutil.NewWIF((*btcec.PrivateKey)(pk), zcash.RegressionNetParams.Params, true)
Expect(err).NotTo(HaveOccurred())
addrPubKeyHash, err := zcash.NewAddressPubKeyHash(btcutil.Hash160(wif.PrivKey.PubKey().SerializeUncompressed()), &zcash.RegressionNetParams)
Expect(err).NotTo(HaveOccurred())
return multichain.RawAddress(pack.Bytes(base58.Decode(addrPubKeyHash.EncodeAddress())))
},
func() multichain.Address {
script := make([]byte, r.Intn(100))
r.Read(script)
addrScriptHash, err := zcash.NewAddressScriptHash(script, &zcash.RegressionNetParams)
Expect(err).NotTo(HaveOccurred())
return multichain.Address(addrScriptHash.EncodeAddress())
},
func() multichain.RawAddress {
script := make([]byte, r.Intn(100))
r.Read(script)
addrScriptHash, err := zcash.NewAddressScriptHash(script, &zcash.RegressionNetParams)
Expect(err).NotTo(HaveOccurred())
return multichain.RawAddress(pack.Bytes(base58.Decode(addrScriptHash.EncodeAddress())))
},
},
}
for _, chain := range chainTable {
chain := chain
Context(fmt.Sprintf("%v", chain.chain), func() {
encodeDecoder := chain.newEncodeDecoder()
It("should encode a raw address correctly", func() {
rawAddr := chain.newRawAddress()
encodedAddr, err := encodeDecoder.EncodeAddress(rawAddr)
Expect(err).NotTo(HaveOccurred())
decodedRawAddr, err := encodeDecoder.DecodeAddress(encodedAddr)
Expect(err).NotTo(HaveOccurred())
Expect(decodedRawAddr).To(Equal(rawAddr))
})
It("should decode an address correctly", func() {
addr := chain.newAddress()
decodedRawAddr, err := encodeDecoder.DecodeAddress(addr)
Expect(err).NotTo(HaveOccurred())
encodedAddr, err := encodeDecoder.EncodeAddress(decodedRawAddr)
Expect(err).NotTo(HaveOccurred())
Expect(encodedAddr).To(Equal(addr))
})
if chain.chain.IsUTXOBased() {
It("should encoded a raw script address correctly", func() {
rawScriptAddr := chain.newSHRawAddress()
encodedAddr, err := encodeDecoder.EncodeAddress(rawScriptAddr)
Expect(err).NotTo(HaveOccurred())
decodedRawAddr, err := encodeDecoder.DecodeAddress(encodedAddr)
Expect(err).NotTo(HaveOccurred())
Expect(decodedRawAddr).To(Equal(rawScriptAddr))
})
It("should decode a script address correctly", func() {
scriptAddr := chain.newSHAddress()
decodedRawAddr, err := encodeDecoder.DecodeAddress(scriptAddr)
Expect(err).NotTo(HaveOccurred())
encodedAddr, err := encodeDecoder.EncodeAddress(decodedRawAddr)
Expect(err).NotTo(HaveOccurred())
Expect(encodedAddr).To(Equal(scriptAddr))
})
}
if chain.chain == multichain.Bitcoin {
mainnetEncodeDecoder := bitcoin.NewAddressEncodeDecoder(&chaincfg.MainNetParams)
It("should decode a Bech32 address correctly", func() {
segwitAddrs := []string{
"bc1qp3gcp95e85rupv9zgj57j0lvsqnzcehawzaax3",
"bc1qh6fjfx39ae4ahvusc4eggyrwjm65zyu83mzwlx",
"bc1q3zqxadsagdwjp2fpddn8dk5ge8lf0nn0p750ar",
"bc1q2lthuszmh0mynte4nzsfqtjjseu6fdrmeffr62",
"bc1qdqkfrt2hpgncqwut88809he6wxysfw8w3cgsh4",
"bc1qna5zwwuqcst3dqqx8rmwa66jpa45w28tlypg54",
"bc1qjk2ytl6uctuxfsyf8dn6ptwfsthfat4hd78l0m",
"bc1qyg6zhg9dhmkj0wz4svsdz6g0ujll225v0wc5hx",
"bc1quvtmmjccre6plqslujw7qcy820fycg2q2a73an",
"bc1qztxl2qc3k90uud846qfeawqzz3aedhq48vv3lu",
"bc1qvkknfkfhfr0axql478klvjs6sanwj6njym5wf2",
"bc1qya5t2pj7hqpezcnwh72k69h4cgg3srqwtd0e6w",
}
for _, segwitAddr := range segwitAddrs {
decodedRawAddr, err := mainnetEncodeDecoder.DecodeAddress(multichain.Address(segwitAddr))
Expect(err).NotTo(HaveOccurred())
encodedAddr, err := mainnetEncodeDecoder.EncodeAddress(decodedRawAddr)
Expect(err).NotTo(HaveOccurred())
Expect(string(encodedAddr)).To(Equal(segwitAddr))
}
})
It("should encode a Bech32 address correctly", func() {
loop := func() bool {
l := 21
if r.Intn(2) == 1 {
l = 33
}
randBytes := make([]byte, l)
r.Read(randBytes)
randBytes[0] = byte(0)
rawAddr := multichain.RawAddress(randBytes)
encodedAddr, err := mainnetEncodeDecoder.EncodeAddress(rawAddr)
Expect(err).NotTo(HaveOccurred())
decodedRawAddr, err := mainnetEncodeDecoder.DecodeAddress(encodedAddr)
Expect(err).NotTo(HaveOccurred())
Expect(decodedRawAddr).To(Equal(rawAddr))
return true
}
Expect(quick.Check(loop, nil)).To(Succeed())
})
}
})
}
})
//
// ACCOUNT API
//
Context("Account API", func() {
accountChainTable := []struct {
senderEnv func() (id.PrivKey, *id.PubKey, multichain.Address)
privKeyToAddr func(pk id.PrivKey) multichain.Address
rpcURL pack.String
randomRecipientAddr func() multichain.Address
initialise func(pack.String) (multichain.AccountClient, multichain.AccountTxBuilder)
txParams func(multichain.AccountClient) (pack.U256, pack.U256, pack.U256, pack.U256, pack.Bytes)
chain multichain.Chain
}{
{
func() (id.PrivKey, *id.PubKey, multichain.Address) {
pkEnv := os.Getenv("TERRA_PK")
if pkEnv == "" {
panic("TERRA_PK is undefined")
}
pkBytes, err := hex.DecodeString(pkEnv)
Expect(err).NotTo(HaveOccurred())
var pk secp256k1.PrivKeySecp256k1
copy(pk[:], pkBytes)
addrEncoder := terra.NewAddressEncoder()
senderAddr, err := addrEncoder.EncodeAddress(multichain.RawAddress(pack.Bytes(pk.PubKey().Address())))
Expect(err).NotTo(HaveOccurred())
senderPrivKey := id.PrivKey{}
err = surge.FromBinary(&senderPrivKey, pkBytes)
Expect(err).NotTo(HaveOccurred())
return senderPrivKey, senderPrivKey.PubKey(), senderAddr
},
func(privKey id.PrivKey) multichain.Address {
pkBytes, err := surge.ToBinary(privKey)
Expect(err).NotTo(HaveOccurred())
var pk secp256k1.PrivKeySecp256k1
copy(pk[:], pkBytes)
addrEncoder := terra.NewAddressEncoder()
addr, err := addrEncoder.EncodeAddress(multichain.RawAddress(pack.Bytes(pk.PubKey().Address())))
Expect(err).NotTo(HaveOccurred())
return addr
},
"http://127.0.0.1:26657",
func() multichain.Address {
recipientKey := secp256k1.GenPrivKey()
addrEncoder := terra.NewAddressEncoder()
recipient, err := addrEncoder.EncodeAddress(multichain.RawAddress(pack.Bytes(recipientKey.PubKey().Address())))
Expect(err).NotTo(HaveOccurred())
return recipient
},
func(rpcURL pack.String) (multichain.AccountClient, multichain.AccountTxBuilder) {
client := terra.NewClient(
terra.DefaultClientOptions().
WithHost(rpcURL).
WithCoinDenom("uluna"),
)
txBuilder := terra.NewTxBuilder(
terra.DefaultTxBuilderOptions().
WithChainID("testnet"),
client,
)
return client, txBuilder
},
func(_ multichain.AccountClient) (pack.U256, pack.U256, pack.U256, pack.U256, pack.Bytes) {
amount := pack.NewU256FromU64(pack.U64(2000000))
gasLimit := pack.NewU256FromU64(pack.U64(100000))
gasPrice := pack.NewU256FromU64(pack.U64(1))
gasCap := pack.NewU256FromInt(gasPrice.Int())
payload := pack.NewBytes([]byte("multichain"))
return amount, gasLimit, gasPrice, gasCap, payload
},
multichain.Terra,
},
{
func() (id.PrivKey, *id.PubKey, multichain.Address) {
pkEnv := os.Getenv("FILECOIN_PK")
if pkEnv == "" {
panic("FILECOIN_PK is undefined")
}
var ki filtypes.KeyInfo
data, err := hex.DecodeString(pkEnv)
Expect(err).NotTo(HaveOccurred())
err = json.Unmarshal(data, &ki)
Expect(err).NotTo(HaveOccurred())
privKey := id.PrivKey{}
err = surge.FromBinary(&privKey, ki.PrivateKey)
Expect(err).NotTo(HaveOccurred())
pubKey := privKey.PubKey()
// FIXME: add method in renproject/id to get uncompressed pubkey bytes
pubKeyCompressed, err := surge.ToBinary(pubKey)
Expect(err).NotTo(HaveOccurred())
/*addr*/ _, err = filaddress.NewSecp256k1Address(pubKeyCompressed)
Expect(err).NotTo(HaveOccurred())
addrStr := os.Getenv("FILECOIN_ADDRESS")
if addrStr == "" {
panic("FILECOIN_ADDRESS is undefined")
}
return privKey, pubKey, multichain.Address(pack.String(addrStr))
},
func(privKey id.PrivKey) multichain.Address {
pubKey := privKey.PubKey()
pubKeyCompressed, err := surge.ToBinary(pubKey)
Expect(err).NotTo(HaveOccurred())
addr, err := filaddress.NewSecp256k1Address(pubKeyCompressed)
Expect(err).NotTo(HaveOccurred())
return multichain.Address(pack.String(addr.String()))
},
"http://127.0.0.1:1234/rpc/v0",
func() multichain.Address {
pk := id.NewPrivKey()
pubKey := pk.PubKey()
pubKeyCompressed, err := surge.ToBinary(pubKey)
Expect(err).NotTo(HaveOccurred())
addr, err := filaddress.NewSecp256k1Address(pubKeyCompressed)
Expect(err).NotTo(HaveOccurred())
return multichain.Address(pack.String(addr.String()))
},
func(rpcURL pack.String) (multichain.AccountClient, multichain.AccountTxBuilder) {
// dirty hack to fetch auth token
client, err := filecoin.NewClient(
filecoin.DefaultClientOptions().
WithRPCURL(rpcURL).
WithAuthToken(fetchAuthToken()),
)
Expect(err).NotTo(HaveOccurred())
txBuilder := filecoin.NewTxBuilder()
return client, txBuilder
},
func(client multichain.AccountClient) (pack.U256, pack.U256, pack.U256, pack.U256, pack.Bytes) {
amount := pack.NewU256FromU64(pack.NewU64(100000000))
gasLimit := pack.NewU256FromU64(pack.NewU64(2189560))
// Fetch gas price and gas cap using the gas estimator.
filecoinClient := client.(*filecoin.Client)
gasPrice, gasCap, err := filecoin.NewGasEstimator(filecoinClient, gasLimit.Int().Int64()).
EstimateGas(context.Background())
Expect(err).NotTo(HaveOccurred())
payload := pack.Bytes(nil)
return amount, gasLimit, gasPrice, gasCap, payload
},
multichain.Filecoin,
},
}
for _, accountChain := range accountChainTable {
accountChain := accountChain
Context(fmt.Sprintf("%v", accountChain.chain), func() {
Specify("build, broadcast and fetch tx", func() {
// Load private key and the associated address.
senderPrivKey, senderPubKey, senderAddr := accountChain.senderEnv()
// Get a random recipient address.
recipientAddr := accountChain.randomRecipientAddr()
// Initialise the account chain's client, and possibly get a nonce for
// the sender.
accountClient, txBuilder := accountChain.initialise(accountChain.rpcURL)
// Get the appropriate nonce for sender.
nonce, err := accountClient.AccountNonce(ctx, senderAddr)
Expect(err).NotTo(HaveOccurred())
// Build a transaction.
amount, gasLimit, gasPrice, gasCap, payload := accountChain.txParams(accountClient)
accountTx, err := txBuilder.BuildTx(
ctx,
multichain.Address(senderAddr),
recipientAddr,
amount, nonce, gasLimit, gasPrice, gasCap,
payload,
)
Expect(err).NotTo(HaveOccurred())
// Get the transaction bytes and sign them.
sighashes, err := accountTx.Sighashes()
Expect(err).NotTo(HaveOccurred())
hash := id.Hash(sighashes[0])
sig, err := senderPrivKey.Sign(&hash)
Expect(err).NotTo(HaveOccurred())
sigBytes, err := surge.ToBinary(sig)
Expect(err).NotTo(HaveOccurred())
txSignature := pack.Bytes65{}
copy(txSignature[:], sigBytes)
senderPubKeyBytes, err := surge.ToBinary(senderPubKey)
Expect(err).NotTo(HaveOccurred())
err = accountTx.Sign(
[]pack.Bytes65{txSignature},
pack.NewBytes(senderPubKeyBytes),
)
Expect(err).NotTo(HaveOccurred())
// Submit the transaction to the account chain.
txHash := accountTx.Hash()
err = accountClient.SubmitTx(ctx, accountTx)
Expect(err).NotTo(HaveOccurred())
logger.Debug("submit tx", zap.String("from", string(senderAddr)), zap.String("to", string(recipientAddr)), zap.Any("txHash", txHash))
// Wait slightly before we query the chain's node.
time.Sleep(time.Second)
for {
// Loop until the transaction has at least a few confirmations.
tx, confs, err := accountClient.Tx(ctx, txHash)
if err == nil {
Expect(confs.Uint64()).To(BeNumerically(">", 0))
Expect(tx.Value()).To(Equal(amount))
Expect(tx.From()).To(Equal(senderAddr))
Expect(tx.To()).To(Equal(recipientAddr))
Expect(tx.Value()).To(Equal(amount))
break
}
// wait and retry querying for the transaction
time.Sleep(5 * time.Second)
}
})
It("should be able to fetch the latest block", func() {
// Initialise client
accountClient, _ := accountChain.initialise(accountChain.rpcURL)
latestBlock, err := accountClient.LatestBlock(ctx)
Expect(err).NotTo(HaveOccurred())
Expect(uint64(latestBlock)).To(BeNumerically(">", 1))
})
})
}
})
//
// UTXO API
//
Context("UTXO API", func() {
utxoChainTable := []struct {
privKeyEnv string
newAddressPKH func([]byte) (btcutil.Address, error)
newAddressSH func([]byte) (btcutil.Address, error)
rpcURL pack.String
initialise func(pack.String, btcutil.Address) (multichain.UTXOClient, []multichain.UTXOutput, func(context.Context, pack.Bytes) (int64, error))
txBuilder multichain.UTXOTxBuilder
chain multichain.Chain
}{
{
"BITCOIN_PK",
func(pkh []byte) (btcutil.Address, error) {
addr, err := btcutil.NewAddressPubKeyHash(pkh, &chaincfg.RegressionNetParams)
return addr, err
},
func(script []byte) (btcutil.Address, error) {
addr, err := btcutil.NewAddressScriptHash(script, &chaincfg.RegressionNetParams)
return addr, err
},
pack.NewString("http://0.0.0.0:18443"),
func(rpcURL pack.String, pkhAddr btcutil.Address) (multichain.UTXOClient, []multichain.UTXOutput, func(context.Context, pack.Bytes) (int64, error)) {
client := bitcoin.NewClient(bitcoin.DefaultClientOptions())
outputs, err := client.UnspentOutputs(ctx, 0, 999999999, multichain.Address(pkhAddr.EncodeAddress()))
Expect(err).NotTo(HaveOccurred())
return client, outputs, client.Confirmations
},
bitcoin.NewTxBuilder(&chaincfg.RegressionNetParams),
multichain.Bitcoin,
},
{
"BITCOINCASH_PK",
func(pkh []byte) (btcutil.Address, error) {
addr, err := bitcoincash.NewAddressPubKeyHash(pkh, &chaincfg.RegressionNetParams)
return addr, err
},
func(script []byte) (btcutil.Address, error) {
addr, err := bitcoincash.NewAddressScriptHash(script, &chaincfg.RegressionNetParams)
return addr, err
},
pack.NewString("http://0.0.0.0:19443"),
func(rpcURL pack.String, pkhAddr btcutil.Address) (multichain.UTXOClient, []multichain.UTXOutput, func(context.Context, pack.Bytes) (int64, error)) {
client := bitcoincash.NewClient(bitcoincash.DefaultClientOptions())
outputs, err := client.UnspentOutputs(ctx, 0, 999999999, multichain.Address(pkhAddr.EncodeAddress()))
Expect(err).NotTo(HaveOccurred())
return client, outputs, client.Confirmations
},
bitcoincash.NewTxBuilder(&chaincfg.RegressionNetParams),
multichain.BitcoinCash,
},
{
"DOGECOIN_PK",
func(pkh []byte) (btcutil.Address, error) {
addr, err := btcutil.NewAddressPubKeyHash(pkh, &dogecoin.RegressionNetParams)
return addr, err
},
func(script []byte) (btcutil.Address, error) {
addr, err := btcutil.NewAddressScriptHash(script, &dogecoin.RegressionNetParams)
return addr, err
},
pack.NewString("http://0.0.0.0:18332"),
func(rpcURL pack.String, pkhAddr btcutil.Address) (multichain.UTXOClient, []multichain.UTXOutput, func(context.Context, pack.Bytes) (int64, error)) {
client := dogecoin.NewClient(dogecoin.DefaultClientOptions())
outputs, err := client.UnspentOutputs(ctx, 0, 999999999, multichain.Address(pkhAddr.EncodeAddress()))
Expect(err).NotTo(HaveOccurred())
return client, outputs, client.Confirmations
},
dogecoin.NewTxBuilder(&dogecoin.RegressionNetParams),
multichain.Dogecoin,
},
{
"ZCASH_PK",
func(pkh []byte) (btcutil.Address, error) {
addr, err := zcash.NewAddressPubKeyHash(pkh, &zcash.RegressionNetParams)
return addr, err
},
func(script []byte) (btcutil.Address, error) {
addr, err := zcash.NewAddressScriptHash(script, &zcash.RegressionNetParams)
return addr, err
},
pack.String("http://0.0.0.0:18232"),
func(rpcURL pack.String, pkhAddr btcutil.Address) (multichain.UTXOClient, []multichain.UTXOutput, func(context.Context, pack.Bytes) (int64, error)) {
client := zcash.NewClient(zcash.DefaultClientOptions())
outputs, err := client.UnspentOutputs(ctx, 0, 999999999, multichain.Address(pkhAddr.EncodeAddress()))
Expect(err).NotTo(HaveOccurred())
return client, outputs, client.Confirmations
},
zcash.NewTxBuilder(&zcash.RegressionNetParams, 1000000),
multichain.Zcash,
},
/*
{
"DIGIBYTE_PK",
func(pkh []byte) (btcutil.Address, error) {
addr, err := btcutil.NewAddressPubKeyHash(pkh, &digibyte.RegressionNetParams)
return addr, err
},
func(script []byte) (btcutil.Address, error) {
addr, err := btcutil.NewAddressScriptHash(script, &digibyte.RegressionNetParams)
return addr, err
},
pack.NewString("http://0.0.0.0:20443"),
func(rpcURL pack.String, pkhAddr btcutil.Address) (multichain.UTXOClient, []multichain.UTXOutput, func(context.Context, pack.Bytes) (int64, error)) {
client := digibyte.NewClient(digibyte.DefaultClientOptions())
outputs, err := client.UnspentOutputs(ctx, 0, 999999999, multichain.Address(pkhAddr.EncodeAddress()))
Expect(err).NotTo(HaveOccurred())
return client, outputs, client.Confirmations
},
digibyte.NewTxBuilder(&digibyte.RegressionNetParams),
multichain.DigiByte,
},
*/
}
for _, utxoChain := range utxoChainTable {
utxoChain := utxoChain
Context(fmt.Sprintf("%v", utxoChain.chain), func() {
Specify("(P2PKH) build, broadcast and fetch tx", func() {
// Load private key.
pkEnv := os.Getenv(utxoChain.privKeyEnv)
if pkEnv == "" {
panic(fmt.Sprintf("%v is undefined", utxoChain.privKeyEnv))
}
wif, err := btcutil.DecodeWIF(pkEnv)
Expect(err).NotTo(HaveOccurred())
// Get the PKH address from the loaded private key.
pkhAddr, err := utxoChain.newAddressPKH(btcutil.Hash160(wif.PrivKey.PubKey().SerializeCompressed()))
Expect(err).NotTo(HaveOccurred())
// Recipient 1
pkhAddrUncompressed, err := utxoChain.newAddressPKH(btcutil.Hash160(wif.PrivKey.PubKey().SerializeUncompressed()))
Expect(err).ToNot(HaveOccurred())
// Recipient 2
recipientPrivKey := id.NewPrivKey()
recipientPubKey := recipientPrivKey.PubKey()
recipientPubKeyCompressed, err := surge.ToBinary(recipientPubKey)
Expect(err).NotTo(HaveOccurred())
recipientPkhAddr, err := utxoChain.newAddressPKH(btcutil.Hash160(((*btcec.PublicKey)(recipientPubKey)).SerializeCompressed()))
Expect(err).NotTo(HaveOccurred())
// Initialise the UTXO client and fetch the unspent outputs. Also get a
// function to query the number of block confirmations for a transaction.
utxoClient, unspentOutputs, confsFn := utxoChain.initialise(utxoChain.rpcURL, pkhAddr)
Expect(len(unspentOutputs)).To(BeNumerically(">", 0))
var output multichain.UTXOutput
thresholdValue := pack.NewU256FromU64(pack.NewU64(2500))
for _, unspentOutput := range unspentOutputs {
if unspentOutput.Value.GreaterThan(thresholdValue) {
output = unspentOutput
break
}
}
// Build a transaction
inputs := []multichain.UTXOInput{
{Output: multichain.UTXOutput{
Outpoint: multichain.UTXOutpoint{
Hash: output.Outpoint.Hash[:],
Index: output.Outpoint.Index,
},
PubKeyScript: output.PubKeyScript,
Value: output.Value,
}},
}
utxoValue1 := pack.NewU256FromU64(pack.NewU64((output.Value.Int().Uint64() - 1000) / 4))
utxoValue2 := pack.NewU256FromU64(pack.NewU64((output.Value.Int().Uint64() - 1000) * 3 / 4))
recipients := []multichain.UTXORecipient{
{
To: multichain.Address(pkhAddrUncompressed.EncodeAddress()),
Value: utxoValue1,
},
{
To: multichain.Address(recipientPkhAddr.EncodeAddress()),
Value: utxoValue2,
},
}
utxoTx, err := utxoChain.txBuilder.BuildTx(inputs, recipients)
Expect(err).NotTo(HaveOccurred())
// Get the sighashes that need to be signed, and sign them.
sighashes, err := utxoTx.Sighashes()
signatures := make([]pack.Bytes65, len(sighashes))
Expect(err).ToNot(HaveOccurred())
for i := range sighashes {
hash := id.Hash(sighashes[i])
privKey := (*id.PrivKey)(wif.PrivKey)
signature, err := privKey.Sign(&hash)
Expect(err).ToNot(HaveOccurred())
signatures[i] = pack.NewBytes65(signature)
}
Expect(utxoTx.Sign(signatures, pack.NewBytes(wif.SerializePubKey()))).To(Succeed())
// Submit the signed transaction to the UTXO chain's node.
txHash, err := utxoTx.Hash()
Expect(err).ToNot(HaveOccurred())
err = utxoClient.SubmitTx(ctx, utxoTx)
Expect(err).ToNot(HaveOccurred())
// Check confirmations after waiting for the transaction to be in the
// mempool.
time.Sleep(time.Second)
for {
// Loop until the transaction has at least a few
// confirmations.
confs, err := confsFn(ctx, txHash)
Expect(err).ToNot(HaveOccurred())
logger.Debug(fmt.Sprintf("[%v] confirming", utxoChain.chain), zap.Uint64("current", uint64(confs)))
if confs >= 1 {
break
}
time.Sleep(10 * time.Second)
}
// Load the output and verify that it is equal to the original output.
output2, _, err := utxoClient.Output(ctx, output.Outpoint)
Expect(err).ToNot(HaveOccurred())
Expect(reflect.DeepEqual(output, output2)).To(BeTrue())
// Load the first output and verify the value.
output3, _, err := utxoClient.Output(ctx, multichain.UTXOutpoint{
Hash: txHash,
Index: pack.NewU32(0),
})
Expect(err).ToNot(HaveOccurred())
Expect(output3.Value).To(Equal(utxoValue1))
// Load the second output and verify the value.
output4, _, err := utxoClient.Output(ctx, multichain.UTXOutpoint{
Hash: txHash,
Index: pack.NewU32(1),
})
Expect(err).ToNot(HaveOccurred())
Expect(output4.Value).To(Equal(utxoValue2))
// Construct UTXO to be signed by invalid key. This UTXO should fail
// when submitted to the network, since the signer doesn't have the
// right to spend it.
// We submit the invalid signed UTXO (which should fail), and wait
// for a maximum of 5 seconds.
inputs2 := []multichain.UTXOInput{{
Output: output4,
}}
recipients2 := []multichain.UTXORecipient{{
To: multichain.Address(pkhAddr.EncodeAddress()),
Value: output4.Value.Sub(pack.NewU256FromU64(pack.U64(500))),
}}
utxoTx2, err := utxoChain.txBuilder.BuildTx(inputs2, recipients2)
Expect(err).NotTo(HaveOccurred())
sighashes2, err := utxoTx2.Sighashes()
signatures2 := make([]pack.Bytes65, len(sighashes2))
for i := range sighashes2 {
hash := id.Hash(sighashes2[i])
privKey := (*id.PrivKey)(wif.PrivKey)
signature, err := privKey.Sign(&hash)
Expect(err).ToNot(HaveOccurred())
signatures2[i] = pack.NewBytes65(signature)
}
Expect(utxoTx2.Sign(signatures2, pack.NewBytes(wif.SerializePubKey()))).To(Succeed())
failingCtx, failingCancelFn := context.WithTimeout(ctx, 5*time.Second)
Expect(utxoClient.SubmitTx(failingCtx, utxoTx2)).To(HaveOccurred())
failingCancelFn()
// Try to spend UTXO from valid key. We should be able to successfully
// submit the signed UTXO to the network.
utxoTx3, err := utxoChain.txBuilder.BuildTx(inputs2, recipients2)
Expect(err).NotTo(HaveOccurred())
sighashes3, err := utxoTx3.Sighashes()
signatures3 := make([]pack.Bytes65, len(sighashes3))
for i := range sighashes3 {
hash := id.Hash(sighashes3[i])
signature, err := recipientPrivKey.Sign(&hash)
Expect(err).ToNot(HaveOccurred())
signatures3[i] = pack.NewBytes65(signature)
}
Expect(utxoTx3.Sign(signatures3, pack.NewBytes(recipientPubKeyCompressed))).To(Succeed())
Expect(utxoClient.SubmitTx(ctx, utxoTx3)).NotTo(HaveOccurred())
})
Specify("(P2SH) build, broadcast and fetch tx", func() {
// Load private key.
pkEnv := os.Getenv(utxoChain.privKeyEnv)
if pkEnv == "" {
panic(fmt.Sprintf("%v is undefined", utxoChain.privKeyEnv))
}
wif, err := btcutil.DecodeWIF(pkEnv)
Expect(err).NotTo(HaveOccurred())
// Get the PKH address from the loaded private key.
pkhAddr, err := utxoChain.newAddressPKH(btcutil.Hash160(wif.PrivKey.PubKey().SerializeCompressed()))
Expect(err).NotTo(HaveOccurred())
// Recipient
recipientPrivKey := id.NewPrivKey()
recipientPubKey := recipientPrivKey.PubKey()
recipientPubKeyCompressed, err := surge.ToBinary(recipientPubKey)
Expect(err).NotTo(HaveOccurred())
pubKey := pack.Bytes(((*btcec.PublicKey)(recipientPubKey)).SerializeCompressed())
script, err := getScript(pubKey)
Expect(err).NotTo(HaveOccurred())
pubKeyScript, err := getPubKeyScript(pubKey)
Expect(err).NotTo(HaveOccurred())
recipientP2SH, err := utxoChain.newAddressSH(script)
Expect(err).NotTo(HaveOccurred())
// Initialise the UTXO client and fetch the unspent outputs. Also get a
// function to query the number of block confirmations for a transaction.
utxoClient, unspentOutputs, confsFn := utxoChain.initialise(utxoChain.rpcURL, pkhAddr)
Expect(len(unspentOutputs)).To(BeNumerically(">", 0))
var output multichain.UTXOutput
thresholdValue := pack.NewU256FromU64(pack.NewU64(2500))
for _, unspentOutput := range unspentOutputs {
if unspentOutput.Value.GreaterThan(thresholdValue) {
output = unspentOutput
break
}
}
// Build a transaction
inputs := []multichain.UTXOInput{
{Output: multichain.UTXOutput{
Outpoint: multichain.UTXOutpoint{
Hash: output.Outpoint.Hash[:],
Index: output.Outpoint.Index,
},
PubKeyScript: output.PubKeyScript,
Value: output.Value,
}},
}
recipients := []multichain.UTXORecipient{
{
To: multichain.Address(recipientP2SH.EncodeAddress()),
Value: output.Value.Sub(pack.NewU256FromU64(pack.U64(500))),
},
}
utxoTx, err := utxoChain.txBuilder.BuildTx(inputs, recipients)
Expect(err).NotTo(HaveOccurred())
// Get the sighashes that need to be signed, and sign them.
sighashes, err := utxoTx.Sighashes()
signatures := make([]pack.Bytes65, len(sighashes))
Expect(err).ToNot(HaveOccurred())
for i := range sighashes {
hash := id.Hash(sighashes[i])
privKey := (*id.PrivKey)(wif.PrivKey)
signature, err := privKey.Sign(&hash)
Expect(err).ToNot(HaveOccurred())
signatures[i] = pack.NewBytes65(signature)
}
Expect(utxoTx.Sign(signatures, pack.NewBytes(wif.SerializePubKey()))).To(Succeed())
// Submit the signed transaction to the UTXO chain's node.
txHash, err := utxoTx.Hash()
Expect(err).ToNot(HaveOccurred())
err = utxoClient.SubmitTx(ctx, utxoTx)
Expect(err).ToNot(HaveOccurred())
logger.Debug("[P2KH -> P2SH] submit tx", zap.String("from", pkhAddr.EncodeAddress()), zap.String("to", recipientP2SH.EncodeAddress()), zap.String("txHash", string(txHashToHex(txHash))))
// Check confirmations after waiting for the transaction to be in the
// mempool.
time.Sleep(time.Second)
for {
// Loop until the transaction has at least a few
// confirmations.
confs, err := confsFn(ctx, txHash)
Expect(err).ToNot(HaveOccurred())
logger.Debug(fmt.Sprintf("[%v] confirming", utxoChain.chain), zap.Uint64("current", uint64(confs)))
if confs >= 1 {
break
}
time.Sleep(10 * time.Second)
}
// Load the output and verify that the pub key script is as calculated
// initially.
output2, _, err := utxoClient.Output(ctx, multichain.UTXOutpoint{
Hash: txHash,
Index: pack.NewU32(0),
})
Expect(err).ToNot(HaveOccurred())
Expect(output2.PubKeyScript.Equal(pubKeyScript)).To(BeTrue())
// Validate that the output2 is spendable
sigScript, err := getScript(pubKey)
Expect(err).NotTo(HaveOccurred())
inputs2 := []multichain.UTXOInput{{
Output: output2,
SigScript: sigScript,
}}
recipients2 := []multichain.UTXORecipient{{
To: multichain.Address(pkhAddr.EncodeAddress()),
Value: output2.Value.Sub(pack.NewU256FromU64(pack.U64(500))),
}}
utxoTx2, err := utxoChain.txBuilder.BuildTx(inputs2, recipients2)
Expect(err).NotTo(HaveOccurred())
// Create another transaction using the same inputs, which we will
// sign with the original user's address. Validate that none other
// than the recipient's signature can spend this UTXO.
utxoTx3, err := utxoChain.txBuilder.BuildTx(inputs2, recipients2)
Expect(err).NotTo(HaveOccurred())
// Get the sighashes that need to be signed, and sign them.
sighashes2, err := utxoTx2.Sighashes()
signatures2 := make([]pack.Bytes65, len(sighashes2))
signatures3 := make([]pack.Bytes65, len(sighashes2))
Expect(err).ToNot(HaveOccurred())
for i := range sighashes2 {
hash := id.Hash(sighashes2[i])
signature, err := recipientPrivKey.Sign(&hash)
Expect(err).ToNot(HaveOccurred())
signatures2[i] = pack.NewBytes65(signature)