@bitgo-beta/utxo-lib/dist/src/noble_ecc.js

Client-side Bitcoin JavaScript library

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.bip32 = exports.ECPair = exports.ecc = void 0;
const createHash = require("create-hash");
const createHmac = require("create-hmac");
const ecpair_1 = require("ecpair");
const necc = require("@noble/secp256k1");
const bip32_1 = require("bip32");
necc.utils.sha256Sync = (...messages) => {
    const sha256 = createHash('sha256');
    for (const message of messages)
        sha256.update(message);
    return sha256.digest();
};
necc.utils.hmacSha256Sync = (key, ...messages) => {
    const hash = createHmac('sha256', Buffer.from(key));
    messages.forEach((m) => hash.update(m));
    return Uint8Array.from(hash.digest());
};
const defaultTrue = (param) => param !== false;
function throwToNull(fn) {
    try {
        return fn();
    }
    catch (e) {
        return null;
    }
}
function isPoint(p, xOnly) {
    if ((p.length === 32) !== xOnly)
        return false;
    try {
        return !!necc.Point.fromHex(p);
    }
    catch (e) {
        return false;
    }
}
const ecc = {
    isPoint: (p) => isPoint(p, false),
    isPrivate: (d) => necc.utils.isValidPrivateKey(d),
    isXOnlyPoint: (p) => isPoint(p, true),
    xOnlyPointAddTweak: (p, tweak) => throwToNull(() => {
        const P = necc.utils.pointAddScalar(p, tweak, true);
        const parity = P[0] % 2 === 1 ? 1 : 0;
        return { parity, xOnlyPubkey: P.slice(1) };
    }),
    pointFromScalar: (sk, compressed) => throwToNull(() => necc.getPublicKey(sk, defaultTrue(compressed))),
    pointCompress: (p, compressed) => {
        return necc.Point.fromHex(p).toRawBytes(defaultTrue(compressed));
    },
    pointMultiply: (a, tweak, compressed) => throwToNull(() => necc.utils.pointMultiply(a, tweak, defaultTrue(compressed))),
    pointAdd: (a, b, compressed) => throwToNull(() => {
        const A = necc.Point.fromHex(a);
        const B = necc.Point.fromHex(b);
        return A.add(B).toRawBytes(defaultTrue(compressed));
    }),
    pointAddScalar: (p, tweak, compressed) => throwToNull(() => necc.utils.pointAddScalar(p, tweak, defaultTrue(compressed))),
    privateAdd: (d, tweak) => throwToNull(() => {
        const res = necc.utils.privateAdd(d, tweak);
        // tiny-secp256k1 returns null rather than allowing a 0 private key to be returned
        // ECPair.testEcc() requires that behavior.
        if (res === null || res === void 0 ? void 0 : res.every((i) => i === 0))
            return null;
        return res;
    }),
    privateNegate: (d) => necc.utils.privateNegate(d),
    sign: (h, d, e) => {
        return necc.signSync(h, d, { der: false, extraEntropy: e });
    },
    signSchnorr: (h, d, e = Buffer.alloc(32, 0x00)) => {
        return necc.schnorr.signSync(h, d, e);
    },
    verify: (h, Q, signature, strict) => {
        return necc.verify(signature, h, Q, { strict });
    },
    verifySchnorr: (h, Q, signature) => {
        return necc.schnorr.verifySync(signature, h, Q);
    },
};
exports.ecc = ecc;
const ECPair = ecpair_1.ECPairFactory(ecc);
exports.ECPair = ECPair;
const bip32 = bip32_1.BIP32Factory(ecc);
exports.bip32 = bip32;
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"noble_ecc.js","sourceRoot":"","sources":["../../src/noble_ecc.ts"],"names":[],"mappings":";;;AAAA,0CAA0C;AAC1C,0CAA0C;AAC1C,mCAAmE;AACnE,yCAAyC;AACzC,iCAA+D;AAE/D,IAAI,CAAC,KAAK,CAAC,UAAU,GAAG,CAAC,GAAG,QAAsB,EAAc,EAAE;IAChE,MAAM,MAAM,GAAG,UAAU,CAAC,QAAQ,CAAC,CAAC;IACpC,KAAK,MAAM,OAAO,IAAI,QAAQ;QAAE,MAAM,CAAC,MAAM,CAAC,OAAO,CAAC,CAAC;IACvD,OAAO,MAAM,CAAC,MAAM,EAAE,CAAC;AACzB,CAAC,CAAC;AAEF,IAAI,CAAC,KAAK,CAAC,cAAc,GAAG,CAAC,GAAe,EAAE,GAAG,QAAsB,EAAc,EAAE;IACrF,MAAM,IAAI,GAAG,UAAU,CAAC,QAAQ,EAAE,MAAM,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC,CAAC;IACpD,QAAQ,CAAC,OAAO,CAAC,CAAC,CAAC,EAAE,EAAE,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC,CAAC,CAAC,CAAC;IACxC,OAAO,UAAU,CAAC,IAAI,CAAC,IAAI,CAAC,MAAM,EAAE,CAAC,CAAC;AACxC,CAAC,CAAC;AAEF,MAAM,WAAW,GAAG,CAAC,KAAe,EAAW,EAAE,CAAC,KAAK,KAAK,KAAK,CAAC;AAElE,SAAS,WAAW,CAAO,EAAc;IACvC,IAAI;QACF,OAAO,EAAE,EAAE,CAAC;KACb;IAAC,OAAO,CAAC,EAAE;QACV,OAAO,IAAI,CAAC;KACb;AACH,CAAC;AAED,SAAS,OAAO,CAAC,CAAa,EAAE,KAAc;IAC5C,IAAI,CAAC,CAAC,CAAC,MAAM,KAAK,EAAE,CAAC,KAAK,KAAK;QAAE,OAAO,KAAK,CAAC;IAC9C,IAAI;QACF,OAAO,CAAC,CAAC,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,CAAC,CAAC,CAAC;KAChC;IAAC,OAAO,CAAC,EAAE;QACV,OAAO,KAAK,CAAC;KACd;AACH,CAAC;AAED,MAAM,GAAG,GAAG;IACV,OAAO,EAAE,CAAC,CAAa,EAAW,EAAE,CAAC,OAAO,CAAC,CAAC,EAAE,KAAK,CAAC;IACtD,SAAS,EAAE,CAAC,CAAa,EAAW,EAAE,CAAC,IAAI,CAAC,KAAK,CAAC,iBAAiB,CAAC,CAAC,CAAC;IACtE,YAAY,EAAE,CAAC,CAAa,EAAW,EAAE,CAAC,OAAO,CAAC,CAAC,EAAE,IAAI,CAAC;IAE1D,kBAAkB,EAAE,CAAC,CAAa,EAAE,KAAiB,EAAqD,EAAE,CAC1G,WAAW,CAAC,GAAG,EAAE;QACf,MAAM,CAAC,GAAG,IAAI,CAAC,KAAK,CAAC,cAAc,CAAC,CAAC,EAAE,KAAK,EAAE,IAAI,CAAC,CAAC;QACpD,MAAM,MAAM,GAAG,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;QACtC,OAAO,EAAE,MAAM,EAAE,WAAW,EAAE,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,EAAE,CAAC;IAC7C,CAAC,CAAC;IAEJ,eAAe,EAAE,CAAC,EAAc,EAAE,UAAoB,EAAqB,EAAE,CAC3E,WAAW,CAAC,GAAG,EAAE,CAAC,IAAI,CAAC,YAAY,CAAC,EAAE,EAAE,WAAW,CAAC,UAAU,CAAC,CAAC,CAAC;IAEnE,aAAa,EAAE,CAAC,CAAa,EAAE,UAAoB,EAAc,EAAE;QACjE,OAAO,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,CAAC,CAAC,CAAC,UAAU,CAAC,WAAW,CAAC,UAAU,CAAC,CAAC,CAAC;IACnE,CAAC;IAED,aAAa,EAAE,CAAC,CAAa,EAAE,KAAiB,EAAE,UAAoB,EAAqB,EAAE,CAC3F,WAAW,CAAC,GAAG,EAAE,CAAC,IAAI,CAAC,KAAK,CAAC,aAAa,CAAC,CAAC,EAAE,KAAK,EAAE,WAAW,CAAC,UAAU,CAAC,CAAC,CAAC;IAEhF,QAAQ,EAAE,CAAC,CAAa,EAAE,CAAa,EAAE,UAAoB,EAAqB,EAAE,CAClF,WAAW,CAAC,GAAG,EAAE;QACf,MAAM,CAAC,GAAG,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,CAAC,CAAC,CAAC;QAChC,MAAM,CAAC,GAAG,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,CAAC,CAAC,CAAC;QAChC,OAAO,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,UAAU,CAAC,WAAW,CAAC,UAAU,CAAC,CAAC,CAAC;IACtD,CAAC,CAAC;IAEJ,cAAc,EAAE,CAAC,CAAa,EAAE,KAAiB,EAAE,UAAoB,EAAqB,EAAE,CAC5F,WAAW,CAAC,GAAG,EAAE,CAAC,IAAI,CAAC,KAAK,CAAC,cAAc,CAAC,CAAC,EAAE,KAAK,EAAE,WAAW,CAAC,UAAU,CAAC,CAAC,CAAC;IAEjF,UAAU,EAAE,CAAC,CAAa,EAAE,KAAiB,EAAqB,EAAE,CAClE,WAAW,CAAC,GAAG,EAAE;QACf,MAAM,GAAG,GAAG,IAAI,CAAC,KAAK,CAAC,UAAU,CAAC,CAAC,EAAE,KAAK,CAAC,CAAC;QAC5C,kFAAkF;QAClF,2CAA2C;QAC3C,IAAI,GAAG,aAAH,GAAG,uBAAH,GAAG,CAAE,KAAK,CAAC,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC,KAAK,CAAC,CAAC;YAAE,OAAO,IAAI,CAAC;QAC5C,OAAO,GAAG,CAAC;IACb,CAAC,CAAC;IAEJ,aAAa,EAAE,CAAC,CAAa,EAAc,EAAE,CAAC,IAAI,CAAC,KAAK,CAAC,aAAa,CAAC,CAAC,CAAC;IAEzE,IAAI,EAAE,CAAC,CAAa,EAAE,CAAa,EAAE,CAAc,EAAc,EAAE;QACjE,OAAO,IAAI,CAAC,QAAQ,CAAC,CAAC,EAAE,CAAC,EAAE,EAAE,GAAG,EAAE,KAAK,EAAE,YAAY,EAAE,CAAC,EAAE,CAAC,CAAC;IAC9D,CAAC;IAED,WAAW,EAAE,CAAC,CAAa,EAAE,CAAa,EAAE,IAAgB,MAAM,CAAC,KAAK,CAAC,EAAE,EAAE,IAAI,CAAC,EAAc,EAAE;QAChG,OAAO,IAAI,CAAC,OAAO,CAAC,QAAQ,CAAC,CAAC,EAAE,CAAC,EAAE,CAAC,CAAC,CAAC;IACxC,CAAC;IAED,MAAM,EAAE,CAAC,CAAa,EAAE,CAAa,EAAE,SAAqB,EAAE,MAAgB,EAAW,EAAE;QACzF,OAAO,IAAI,CAAC,MAAM,CAAC,SAAS,EAAE,CAAC,EAAE,CAAC,EAAE,EAAE,MAAM,EAAE,CAAC,CAAC;IAClD,CAAC;IAED,aAAa,EAAE,CAAC,CAAa,EAAE,CAAa,EAAE,SAAqB,EAAW,EAAE;QAC9E,OAAO,IAAI,CAAC,OAAO,CAAC,UAAU,CAAC,SAAS,EAAE,CAAC,EAAE,CAAC,CAAC,CAAC;IAClD,CAAC;CACF,CAAC;AAKO,kBAAG;AAHZ,MAAM,MAAM,GAAc,sBAAa,CAAC,GAAG,CAAC,CAAC;AAG/B,wBAAM;AAFpB,MAAM,KAAK,GAAa,oBAAY,CAAC,GAAG,CAAC,CAAC;AAEQ,sBAAK","sourcesContent":["import * as createHash from 'create-hash';\nimport * as createHmac from 'create-hmac';\nimport { ECPairAPI, ECPairFactory, ECPairInterface } from 'ecpair';\nimport * as necc from '@noble/secp256k1';\nimport { BIP32API, BIP32Factory, BIP32Interface } from 'bip32';\n\nnecc.utils.sha256Sync = (...messages: Uint8Array[]): Uint8Array => {\n  const sha256 = createHash('sha256');\n  for (const message of messages) sha256.update(message);\n  return sha256.digest();\n};\n\nnecc.utils.hmacSha256Sync = (key: Uint8Array, ...messages: Uint8Array[]): Uint8Array => {\n  const hash = createHmac('sha256', Buffer.from(key));\n  messages.forEach((m) => hash.update(m));\n  return Uint8Array.from(hash.digest());\n};\n\nconst defaultTrue = (param?: boolean): boolean => param !== false;\n\nfunction throwToNull<Type>(fn: () => Type): Type | null {\n  try {\n    return fn();\n  } catch (e) {\n    return null;\n  }\n}\n\nfunction isPoint(p: Uint8Array, xOnly: boolean): boolean {\n  if ((p.length === 32) !== xOnly) return false;\n  try {\n    return !!necc.Point.fromHex(p);\n  } catch (e) {\n    return false;\n  }\n}\n\nconst ecc = {\n  isPoint: (p: Uint8Array): boolean => isPoint(p, false),\n  isPrivate: (d: Uint8Array): boolean => necc.utils.isValidPrivateKey(d),\n  isXOnlyPoint: (p: Uint8Array): boolean => isPoint(p, true),\n\n  xOnlyPointAddTweak: (p: Uint8Array, tweak: Uint8Array): { parity: 0 | 1; xOnlyPubkey: Uint8Array } | null =>\n    throwToNull(() => {\n      const P = necc.utils.pointAddScalar(p, tweak, true);\n      const parity = P[0] % 2 === 1 ? 1 : 0;\n      return { parity, xOnlyPubkey: P.slice(1) };\n    }),\n\n  pointFromScalar: (sk: Uint8Array, compressed?: boolean): Uint8Array | null =>\n    throwToNull(() => necc.getPublicKey(sk, defaultTrue(compressed))),\n\n  pointCompress: (p: Uint8Array, compressed?: boolean): Uint8Array => {\n    return necc.Point.fromHex(p).toRawBytes(defaultTrue(compressed));\n  },\n\n  pointMultiply: (a: Uint8Array, tweak: Uint8Array, compressed?: boolean): Uint8Array | null =>\n    throwToNull(() => necc.utils.pointMultiply(a, tweak, defaultTrue(compressed))),\n\n  pointAdd: (a: Uint8Array, b: Uint8Array, compressed?: boolean): Uint8Array | null =>\n    throwToNull(() => {\n      const A = necc.Point.fromHex(a);\n      const B = necc.Point.fromHex(b);\n      return A.add(B).toRawBytes(defaultTrue(compressed));\n    }),\n\n  pointAddScalar: (p: Uint8Array, tweak: Uint8Array, compressed?: boolean): Uint8Array | null =>\n    throwToNull(() => necc.utils.pointAddScalar(p, tweak, defaultTrue(compressed))),\n\n  privateAdd: (d: Uint8Array, tweak: Uint8Array): Uint8Array | null =>\n    throwToNull(() => {\n      const res = necc.utils.privateAdd(d, tweak);\n      // tiny-secp256k1 returns null rather than allowing a 0 private key to be returned\n      // ECPair.testEcc() requires that behavior.\n      if (res?.every((i) => i === 0)) return null;\n      return res;\n    }),\n\n  privateNegate: (d: Uint8Array): Uint8Array => necc.utils.privateNegate(d),\n\n  sign: (h: Uint8Array, d: Uint8Array, e?: Uint8Array): Uint8Array => {\n    return necc.signSync(h, d, { der: false, extraEntropy: e });\n  },\n\n  signSchnorr: (h: Uint8Array, d: Uint8Array, e: Uint8Array = Buffer.alloc(32, 0x00)): Uint8Array => {\n    return necc.schnorr.signSync(h, d, e);\n  },\n\n  verify: (h: Uint8Array, Q: Uint8Array, signature: Uint8Array, strict?: boolean): boolean => {\n    return necc.verify(signature, h, Q, { strict });\n  },\n\n  verifySchnorr: (h: Uint8Array, Q: Uint8Array, signature: Uint8Array): boolean => {\n    return necc.schnorr.verifySync(signature, h, Q);\n  },\n};\n\nconst ECPair: ECPairAPI = ECPairFactory(ecc);\nconst bip32: BIP32API = BIP32Factory(ecc);\n\nexport { ecc, ECPair, ECPairAPI, ECPairInterface, bip32, BIP32API, BIP32Interface };\n"]}