Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

IRT-989 fix: enable bitcoin signing #38

Open
wants to merge 3 commits into
base: main
Choose a base branch
from
+134 −62
Open

IRT-989 fix: enable bitcoin signing #38

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
49f86e2
fix: enable bitcoin signing
ieow Jan 3, 2024
03523d2
fix: rename variable
ieow Jan 3, 2024
a847d83
feat: add segwit tx signing
ieow Jan 23, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion .vscode/settings.json
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
{
"editor.codeActionsOnSave": {
"source.fixAll": true
"source.fixAll": "explicit"
},
"eslint.workingDirectories": [
{
Expand Down
159 changes: 110 additions & 49 deletions tkey-mpc-web/tkey-mpc-react-bitcoin-example/src/App.tsx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -7,10 +7,9 @@ import { generatePrivate } from "eccrypto";
import { useEffect, useState } from "react";
import swal from "sweetalert";
import { tKey } from "./tkey";
import { addFactorKeyMetadata, setupWeb3, copyExistingTSSShareForNewFactor, addNewTSSShareAndFactor, getEcCrypto } from "./utils";
import { utils } from "@toruslabs/tss-client";
import { addFactorKeyMetadata, setupWeb3, copyExistingTSSShareForNewFactor, addNewTSSShareAndFactor, getEcCrypto, SigningParams } from "./utils";
import { OpenloginSessionManager } from "@toruslabs/openlogin-session-manager";
import { networks, Psbt } from "bitcoinjs-lib";
import { networks, Psbt, payments } from "bitcoinjs-lib";
import ecc from "@bitcoinerlab/secp256k1";
import ECPairFactory from "ecpair";
import { testnet } from "bitcoinjs-lib/src/networks";
Expand All @@ -20,7 +19,6 @@ import { ShareSerializationModule } from "@tkey-mpc/share-serialization";
import {TorusLoginResponse} from "@toruslabs/customauth";
import { SignerAsync } from "bitcoinjs-lib";

const { getTSSPubKey } = utils;
const ECPair = ECPairFactory(ecc);

const uiConsole = (...args: any[]): void => {
Expand All @@ -41,8 +39,10 @@ function App() {
const [localFactorKey, setLocalFactorKey] = useState<BN | null>(null);
const [oAuthShare, setOAuthShare] = useState<BN | null>(null);
const [web3, setWeb3] = useState<SignerAsync | null>(null);
const [signingParams, setSigningParams] = useState<any>(null);
const [signingParams, setSigningParams] = useState<SigningParams | null>(null);
const [bitcoinUTXID, setBitcoinUTXID] = useState<string | null>(null);
const [latestBalance, setLatestBalance] = useState<string | null>(null);
const [minerFee, setMinerFee] = useState<string | null>(null);
const [fundingTxIndex, setFundingTxIndex] = useState<string | null>(null);
const [sessionManager, setSessionManager] = useState<OpenloginSessionManager<typeof signingParams>>(new OpenloginSessionManager({}));

Expand All @@ -67,7 +67,7 @@ function App() {
try {
await (tKey.serviceProvider as any).init();
const sessionId = localStorage.getItem("sessionId");
const sessionManager = new OpenloginSessionManager({
const sessionManager = new OpenloginSessionManager<SigningParams>({
sessionTime: 86400,
sessionId: sessionId!,
});
Expand Down Expand Up @@ -104,7 +104,6 @@ function App() {
privateKey: signingParams.oAuthShare,
};
setLoginResponse(loginResponse);
signingParams["compressedTSSPubKey"] = Buffer.from(signingParams.compressedTSSPubKey.padStart(64, "0"), "hex");
setSigningParams(signingParams);

uiConsole(
Expand All @@ -127,8 +126,10 @@ function App() {
// sets up web3
useEffect(() => {
const localSetup = async () => {
const web3Local = await setupWeb3(loginResponse, signingParams);
setWeb3(web3Local);
if (signingParams) {
const web3Local = await setupWeb3(loginResponse, signingParams);
setWeb3(web3Local);
}
};
if (signingParams) {
localSetup();
Expand All @@ -155,11 +156,6 @@ function App() {
}
};

useEffect(() => {
setBitcoinUTXID("Enter UTXID here")
setFundingTxIndex("FundingTxIndex (often 0)")
}, []);

const initializeNewKey = async () => {
if (!tKey) {
uiConsole("tKey not initialized yet");
Expand Down Expand Up @@ -239,32 +235,20 @@ function App() {
setMetadataKey(metadataKey?.privKey.toString("hex"));

const tssNonce: number = tKey.metadata.tssNonces![tKey.tssTag];
// tssShare1 = TSS Share from the social login/ service provider
const tssShare1PubKeyDetails = await tKey.serviceProvider.getTSSPubKey(tKey.tssTag, tssNonce);

const tssShare1PubKey = {
x: tssShare1PubKeyDetails.pubKey.x.toString("hex"),
y: tssShare1PubKeyDetails.pubKey.y.toString("hex"),
};

// tssShare2 = TSS Share from the local storage of the device
const { tssShare: tssShare2, tssIndex: tssShare2Index } = await tKey.getTSSShare(factorKey);

const ec = getEcCrypto();
const tssShare2ECPK = ec.curve.g.mul(tssShare2);
const tssShare2PubKey = {
x: tssShare2ECPK.getX().toString("hex"),
y: tssShare2ECPK.getY().toString("hex"),
};

// 4. derive tss pub key, tss pubkey is implicitly formed using the dkgPubKey and the userShare (as well as userTSSIndex)
const tssPubKey = getTSSPubKey(tssShare1PubKey, tssShare2PubKey, tssShare2Index);
let tssPubKeyPoint = tKey.getTSSPub()
// const tssPubKey = getTSSPubKey(tssShare1PubKey, tssShare2PubKey, tssShare2Index);
// console.log("tssPub", tssPubKey);

const compressedTSSPubKey = Buffer.from(`${tssPubKey.getX().toString(16, 64)}${tssPubKey.getY().toString(16, 64)}`, "hex");
const prefixedCompressedTSSPubKey = Buffer.from(`04${compressedTSSPubKey.toString("hex")}`, "hex");
const ECPubKey = ECPair.fromPublicKey(prefixedCompressedTSSPubKey, { network: testnet });
const tssPubKey = Buffer.from(`${tssPubKeyPoint.x.toString(16, 64)}${tssPubKeyPoint.y.toString(16, 64)}`, "hex");

const prefixedTSSPubKey = Buffer.from(`04${tssPubKey.toString("hex")}`, "hex");
const ECPubKey = ECPair.fromPublicKey(prefixedTSSPubKey, { network: testnet , compressed: true});
const { address: btcAddress } = p2pkh({ pubkey: ECPubKey.publicKey, network: testnet });

if (!btcAddress) throw new Error("Invalid address");

// 5. save factor key and other metadata
if (
Expand All @@ -279,15 +263,15 @@ function App() {

const nodeDetails = await tKey.serviceProvider.getTSSNodeDetails()

const signingParams = {
oAuthShare: OAuthShare,
factorKey,
const signingParams : SigningParams = {
oAuthShare: OAuthShare.toString("hex"),
factorKey: factorKey.toString("hex"),
btcAddress,
ecPublicKey: ECPubKey.publicKey,
ecPublicKey: ECPubKey.publicKey.toString("hex"),
tssNonce,
tssShare2,
tssShare2 : tssShare2.toString("hex"),
tssShare2Index,
compressedTSSPubKey,
tssPubKey: tssPubKey.toString("hex"),
signatures,
userInfo: loginResponse!.userInfo,
nodeDetails,
Expand Down Expand Up @@ -315,14 +299,13 @@ function App() {
}
};

async function createSession(signingParams: any) {
async function createSession(signingParams: SigningParams) {
try {
const sessionId = OpenloginSessionManager.generateRandomSessionKey();
sessionManager!.sessionId = sessionId!;
if (!signingParams) {
throw new Error("User not logged in");
}
signingParams["compressedTSSPubKey"] = Buffer.from(signingParams.compressedTSSPubKey).toString("hex");
await sessionManager!.createSession(signingParams);
localStorage.setItem("sessionId", sessionId);
uiConsole("Successfully created session");
Expand Down Expand Up @@ -374,6 +357,9 @@ function App() {
if (!localFactorKey) {
throw new Error("localFactorKey does not exist, cannot add factor pub");
}
if (!signingParams) {
throw new Error("signingParams does not exist, cannot add factor pub");
}

const backupFactorKey = new BN(generatePrivate());
const backupFactorPub = getPubKeyPoint(backupFactorKey);
Expand Down Expand Up @@ -457,6 +443,10 @@ function App() {
uiConsole("web3 not initialized yet");
return;
}
if (!signingParams) {
uiConsole("signingParams not initialized yet");
return;
}
uiConsole("Bitcoin address", signingParams.btcAddress);
return signingParams.btcAddress;
};
Expand All @@ -470,6 +460,10 @@ function App() {
uiConsole("invalid bitcoin utxid");
return;
}
if (!signingParams) {
uiConsole("signingParams not initialized yet");
return;
}
try {
parseInt(fundingTxIndex as string);
} catch (e) {
Expand All @@ -478,9 +472,10 @@ function App() {

// unspent transaction
const txId = bitcoinUTXID; // looks like this "bb072aa6a43af31642b635e82bd94237774f8240b3e6d99a1b659482dce013c6"
const total = 170; // 0.0000017
const total = Number(latestBalance); // 1321953; // 0.0000017

const value = 20;
const miner = 50;
const miner = Number(minerFee);

// fetch transaction from testnet
const txHex = await (await fetch(`https://blockstream.info/testnet/api/tx/${txId}/hex`)).text();
Expand All @@ -495,7 +490,7 @@ function App() {
nonWitnessUtxo: Buffer.from(txHex, "hex"),
})
.addOutput({
address: outAddr,
address: outAddr!,
value: value,
})
.addOutput({
Expand All @@ -513,6 +508,67 @@ function App() {
console.log("signedTransaction: ", signedTransaction );
};



const sendTransactionSegwit = async () => {
if (!web3) {
uiConsole("web3 not initialized yet");
return;
}

let account = payments.p2wpkh({ pubkey: web3.publicKey, network: testnet });

if (bitcoinUTXID?.length !== 64) {
uiConsole("invalid bitcoin utxid");
return;
}
if (!signingParams) {
uiConsole("signingParams not initialized yet");
return;
}
try {
parseInt(fundingTxIndex as string);
} catch (e) {
uiConsole("invalid funding tx index");
return }

// unspent transaction
const txId = bitcoinUTXID; // looks like this "bb072aa6a43af31642b635e82bd94237774f8240b3e6d99a1b659482dce013c6"
const total = Number(latestBalance); // 1321953; // 0.0000017

const value = 20;
const miner = Number(minerFee);

const outAddr = await getAccounts();
console.log(outAddr, typeof outAddr)
const psbt = new Psbt({ network: networks.testnet })
.addInput({
hash: txId,
index: parseInt(fundingTxIndex as string),
witnessUtxo: {
script: Buffer.from('0014' + account.hash?.toString("hex"), 'hex'),
value: total,
},
})
.addOutput({
address: account.address!,
value: value,
})
.addOutput({
address: account.address!,
value: total - value - miner,
});

uiConsole("Signing transaction...");
await psbt.signInputAsync(0, web3);
psbt.validateSignaturesOfInput(0, BTCValidator);
const validation = psbt.validateSignaturesOfInput(0, BTCValidator);
const signedTransaction = psbt.finalizeAllInputs().extractTransaction().toHex()
uiConsole("Signed Transaction: ", signedTransaction, "Copy the above into https://blockstream.info/testnet/tx/push");
console.log(validation ? "Validated" : "failed");
console.log("signedTransaction: ", signedTransaction );
};

const loggedInView = (
<>
<h2 className="subtitle">Account Details</h2>
Expand Down Expand Up @@ -565,15 +621,20 @@ function App() {
Get Testnet Bitcoin from Faucet
</button>


<input value={bitcoinUTXID as string} onChange={(e) => setBitcoinUTXID(e.target.value)}></input>
<input value={fundingTxIndex as string} onChange={(e) => setFundingTxIndex(e.target.value)}></input>
<div className="flex-container">
<input value={minerFee as string} onChange={(e) => setMinerFee(e.target.value)} placeholder="set Miner Fee"></input>
<input value={latestBalance as string} onChange={(e) => setLatestBalance(e.target.value)} placeholder="set latest balance"></input>
<input value={bitcoinUTXID as string} onChange={(e) => setBitcoinUTXID(e.target.value)} placeholder="set UTXID here"></input>
<input value={fundingTxIndex as string} onChange={(e) => setFundingTxIndex(e.target.value)} placeholder="FundingTxIndex (often 0)"></input>

<button onClick={sendTransaction} className="card">
Sign PSBT Transaction
</button>
<button onClick={sendTransactionSegwit} className="card">
Sign Segwit Transaction
</button>
</div>
</div>

<div id="console" style={{ whiteSpace: "pre-line" }}>
<p style={{ whiteSpace: "pre-line" }}></p>
</div>
Expand Down
35 changes: 23 additions & 12 deletions tkey-mpc-web/tkey-mpc-react-bitcoin-example/src/utils.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,21 @@ const parties = 4;
const clientIndex = parties - 1;
const tssImportUrl = `https://sapphire-dev-2-2.authnetwork.dev/tss/v1/clientWasm`;

export type SigningParams = {
oAuthShare: string;
factorKey: string;
btcAddress: string;
ecPublicKey: string;
tssNonce: number;
tssShare2: string;
tssShare2Index: number;
tssPubKey: string;
signatures: string[];
userInfo: any;
nodeDetails: any;
};


const DELIMITERS = {
Delimiter1: "\u001c",
Delimiter2: "\u0015",
Expand Down Expand Up @@ -46,10 +61,10 @@ export const generateTSSEndpoints = (tssNodeEndpoints: string[], parties: number
return { endpoints, tssWSEndpoints, partyIndexes };
};

export const setupWeb3 = async (loginReponse: any, signingParams: any) => {
export const setupWeb3 = async (loginReponse: any, signingParams: SigningParams) => {
try {
const { tssNonce, tssShare2, tssShare2Index, compressedTSSPubKey, signatures, ecPublicKey, nodeDetails } = signingParams;
// console.log("signingParams", compressedTSSPubKey.toString("hex"));
const { tssNonce, tssShare2, tssShare2Index, tssPubKey, signatures, ecPublicKey, nodeDetails } = signingParams;
const tssShare2BN = new BN(tssShare2, 16);

const { verifier, verifierId } = loginReponse.userInfo;

Expand All @@ -75,7 +90,7 @@ export const setupWeb3 = async (loginReponse: any, signingParams: any) => {

const participatingServerDKGIndexes = [1, 2, 3];
const dklsCoeff = getDKLSCoeff(true, participatingServerDKGIndexes, tssShare2Index);
const denormalisedShare = dklsCoeff.mul(tssShare2).umod(ec.curve.n);
const denormalisedShare = dklsCoeff.mul(tssShare2BN).umod(ec.curve.n);
const share = Buffer.from(denormalisedShare.toString(16, 64), "hex").toString("base64");

if (!currentSession) {
Expand All @@ -92,7 +107,7 @@ export const setupWeb3 = async (loginReponse: any, signingParams: any) => {
endpoints,
sockets,
share,
Buffer.from(compressedTSSPubKey, "hex").toString("base64"),
Buffer.from(tssPubKey, "hex").toString("base64"),
true,
tssImportUrl
);
Expand All @@ -114,14 +129,10 @@ export const setupWeb3 = async (loginReponse: any, signingParams: any) => {
return Promise.resolve(sigBuffer);
};

if (!compressedTSSPubKey) {
throw new Error(`compressedTSSPubKey does not exist ${compressedTSSPubKey}`);
if (!tssPubKey) {
throw new Error(`compressedTSSPubKey does not exist ${tssPubKey}`);
}

const getPublic: () => Promise<Buffer> = async () => {
return compressedTSSPubKey;
};

const toAsyncSigner = (signer: Signer): SignerAsync => {
const ret: SignerAsync = {
publicKey: signer.publicKey,
Expand All @@ -143,7 +154,7 @@ export const setupWeb3 = async (loginReponse: any, signingParams: any) => {
return ret;
};

const btcSigner = toAsyncSigner({ publicKey: ecPublicKey, sign: sign as any });
const btcSigner = toAsyncSigner({ publicKey: Buffer.from(ecPublicKey, "hex"), sign: sign as any });
return btcSigner;
// await ethereumSigningProvider.setupProvider({ sign, getPublic });
// // console.log(ethereumSigningProvider.provider);
Expand Down