PHP WebShell
Текущая директория: /usr/lib/node_modules/bitgo/node_modules/@bitgo/utxo-lib/dist/src/bitgo
Просмотр файла: PsbtUtil.js
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.ProprietaryKeySubtype = exports.PSBT_PROPRIETARY_IDENTIFIER = void 0;
exports.getPsbtInputProprietaryKeyVals = getPsbtInputProprietaryKeyVals;
exports.getPsbtOutputProprietaryKeyVals = getPsbtOutputProprietaryKeyVals;
exports.getPsbtInputSignatureCount = getPsbtInputSignatureCount;
exports.isPsbtInputFinalized = isPsbtInputFinalized;
exports.isPsbt = isPsbt;
exports.toPsbtBuffer = toPsbtBuffer;
exports.withUnsafeNonSegwit = withUnsafeNonSegwit;
const ProprietaryKeyValUtils_1 = require("./ProprietaryKeyValUtils");
/**
* bitgo proprietary key identifier
*/
exports.PSBT_PROPRIETARY_IDENTIFIER = 'BITGO';
/**
* subtype for proprietary keys that bitgo uses
*/
var ProprietaryKeySubtype;
(function (ProprietaryKeySubtype) {
ProprietaryKeySubtype[ProprietaryKeySubtype["ZEC_CONSENSUS_BRANCH_ID"] = 0] = "ZEC_CONSENSUS_BRANCH_ID";
ProprietaryKeySubtype[ProprietaryKeySubtype["MUSIG2_PARTICIPANT_PUB_KEYS"] = 1] = "MUSIG2_PARTICIPANT_PUB_KEYS";
ProprietaryKeySubtype[ProprietaryKeySubtype["MUSIG2_PUB_NONCE"] = 2] = "MUSIG2_PUB_NONCE";
ProprietaryKeySubtype[ProprietaryKeySubtype["MUSIG2_PARTIAL_SIG"] = 3] = "MUSIG2_PARTIAL_SIG";
ProprietaryKeySubtype[ProprietaryKeySubtype["PAYGO_ADDRESS_ATTESTATION_PROOF"] = 4] = "PAYGO_ADDRESS_ATTESTATION_PROOF";
ProprietaryKeySubtype[ProprietaryKeySubtype["BIP322_MESSAGE"] = 5] = "BIP322_MESSAGE";
})(ProprietaryKeySubtype || (exports.ProprietaryKeySubtype = ProprietaryKeySubtype = {}));
/**
* Search any data from psbt proprietary key value against keydata.
* Default identifierEncoding is utf-8 for identifier.
*/
function getPsbtInputProprietaryKeyVals(input, keySearch) {
if (!input.unknownKeyVals?.length) {
return [];
}
return (0, ProprietaryKeyValUtils_1.getProprietaryKeyValuesFromUnknownKeyValues)(input, keySearch);
}
function getPsbtOutputProprietaryKeyVals(output, keySearch) {
if (!output.unknownKeyVals?.length) {
return [];
}
return (0, ProprietaryKeyValUtils_1.getProprietaryKeyValuesFromUnknownKeyValues)(output, keySearch);
}
/**
* @return partialSig/tapScriptSig/MUSIG2_PARTIAL_SIG count iff input is not finalized
*/
function getPsbtInputSignatureCount(input) {
if (isPsbtInputFinalized(input)) {
throw new Error('Input is already finalized');
}
return Math.max(Array.isArray(input.partialSig) ? input.partialSig.length : 0, Array.isArray(input.tapScriptSig) ? input.tapScriptSig.length : 0, getPsbtInputProprietaryKeyVals(input, {
identifier: exports.PSBT_PROPRIETARY_IDENTIFIER,
subtype: ProprietaryKeySubtype.MUSIG2_PARTIAL_SIG,
}).length);
}
/**
* @return true iff PSBT input is finalized
*/
function isPsbtInputFinalized(input) {
return Buffer.isBuffer(input.finalScriptSig) || Buffer.isBuffer(input.finalScriptWitness);
}
/**
* @return true iff data starts with magic PSBT byte sequence
* @param data byte array or hex string
* */
function isPsbt(data) {
// https://github.com/bitcoin/bips/blob/master/bip-0174.mediawiki#specification
// 0x70736274 - ASCII for 'psbt'. 0xff - separator
if (typeof data === 'string') {
if (data.length < 10) {
return false;
}
data = Buffer.from(data.slice(0, 10), 'hex');
}
return 5 <= data.length && data.readUInt32BE(0) === 0x70736274 && data.readUInt8(4) === 0xff;
}
/**
* First checks if the input is already a buffer that starts with the magic PSBT byte sequence.
* If not, it checks if the input is a base64- or hex-encoded string that starts with PSBT header.
*
* This function is useful when reading a file that could be in any of the above formats or when
* dealing with a request that could contain a hex or base64 encoded PSBT.
*
* @param data
* @return buffer that starts with the magic PSBT byte sequence
* @throws Error when conversion is not possible
*/
function toPsbtBuffer(data) {
if (Buffer.isBuffer(data)) {
// we are dealing with a buffer that looks like a psbt already
if (isPsbt(data)) {
return data;
}
// we could be dealing with a buffer that could be a hex or base64 encoded psbt
data = data.toString('ascii');
}
if (typeof data === 'string') {
const encodings = ['hex', 'base64'];
for (const encoding of encodings) {
let buffer;
try {
buffer = Buffer.from(data, encoding);
}
catch (e) {
continue;
}
if (isPsbt(buffer)) {
return buffer;
}
}
throw new Error(`data is not in any of the following formats: ${encodings.join(', ')}`);
}
throw new Error('data must be a buffer or a string');
}
/**
* This function allows signing or validating a psbt with non-segwit inputs those do not contain nonWitnessUtxo.
*/
function withUnsafeNonSegwit(psbt, fn, unsafe = true) {
const prevValue = psbt.__CACHE.__UNSAFE_SIGN_NONSEGWIT;
const prevValueWarn = psbt.__CACHE.__WARN_UNSAFE_SIGN_NONSEGWIT;
psbt.__CACHE.__UNSAFE_SIGN_NONSEGWIT = unsafe;
psbt.__CACHE.__WARN_UNSAFE_SIGN_NONSEGWIT = !unsafe;
try {
return fn();
}
finally {
psbt.__CACHE.__UNSAFE_SIGN_NONSEGWIT = prevValue;
psbt.__CACHE.__WARN_UNSAFE_SIGN_NONSEGWIT = prevValueWarn;
}
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"PsbtUtil.js","sourceRoot":"","sources":["../../../src/bitgo/PsbtUtil.ts"],"names":[],"mappings":";;;AA8BA,wEAQC;AAED,0EAQC;AAKD,gEAYC;AAKD,oDAEC;AAMD,wBAUC;AAaD,oCA6BC;AAKD,kDAWC;AA/ID,qEAIkC;AAElC;;GAEG;AACU,QAAA,2BAA2B,GAAG,OAAO,CAAC;AAEnD;;GAEG;AACH,IAAY,qBAOX;AAPD,WAAY,qBAAqB;IAC/B,uGAA8B,CAAA;IAC9B,+GAAkC,CAAA;IAClC,yFAAuB,CAAA;IACvB,6FAAyB,CAAA;IACzB,uHAAsC,CAAA;IACtC,qFAAqB,CAAA;AACvB,CAAC,EAPW,qBAAqB,qCAArB,qBAAqB,QAOhC;AAED;;;GAGG;AACH,SAAgB,8BAA8B,CAC5C,KAAgB,EAChB,SAAgC;IAEhC,IAAI,CAAC,KAAK,CAAC,cAAc,EAAE,MAAM,EAAE,CAAC;QAClC,OAAO,EAAE,CAAC;IACZ,CAAC;IACD,OAAO,IAAA,oEAA2C,EAAC,KAAK,EAAE,SAAS,CAAC,CAAC;AACvE,CAAC;AAED,SAAgB,+BAA+B,CAC7C,MAAkB,EAClB,SAAgC;IAEhC,IAAI,CAAC,MAAM,CAAC,cAAc,EAAE,MAAM,EAAE,CAAC;QACnC,OAAO,EAAE,CAAC;IACZ,CAAC;IACD,OAAO,IAAA,oEAA2C,EAAC,MAAM,EAAE,SAAS,CAAC,CAAC;AACxE,CAAC;AAED;;GAEG;AACH,SAAgB,0BAA0B,CAAC,KAAgB;IACzD,IAAI,oBAAoB,CAAC,KAAK,CAAC,EAAE,CAAC;QAChC,MAAM,IAAI,KAAK,CAAC,4BAA4B,CAAC,CAAC;IAChD,CAAC;IACD,OAAO,IAAI,CAAC,GAAG,CACb,KAAK,CAAC,OAAO,CAAC,KAAK,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC,KAAK,CAAC,UAAU,CAAC,MAAM,CAAC,CAAC,CAAC,CAAC,EAC7D,KAAK,CAAC,OAAO,CAAC,KAAK,CAAC,YAAY,CAAC,CAAC,CAAC,CAAC,KAAK,CAAC,YAAY,CAAC,MAAM,CAAC,CAAC,CAAC,CAAC,EACjE,8BAA8B,CAAC,KAAK,EAAE;QACpC,UAAU,EAAE,mCAA2B;QACvC,OAAO,EAAE,qBAAqB,CAAC,kBAAkB;KAClD,CAAC,CAAC,MAAM,CACV,CAAC;AACJ,CAAC;AAED;;GAEG;AACH,SAAgB,oBAAoB,CAAC,KAAgB;IACnD,OAAO,MAAM,CAAC,QAAQ,CAAC,KAAK,CAAC,cAAc,CAAC,IAAI,MAAM,CAAC,QAAQ,CAAC,KAAK,CAAC,kBAAkB,CAAC,CAAC;AAC5F,CAAC;AAED;;;KAGK;AACL,SAAgB,MAAM,CAAC,IAAqB;IAC1C,+EAA+E;IAC/E,kDAAkD;IAClD,IAAI,OAAO,IAAI,KAAK,QAAQ,EAAE,CAAC;QAC7B,IAAI,IAAI,CAAC,MAAM,GAAG,EAAE,EAAE,CAAC;YACrB,OAAO,KAAK,CAAC;QACf,CAAC;QACD,IAAI,GAAG,MAAM,CAAC,IAAI,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC,EAAE,EAAE,CAAC,EAAE,KAAK,CAAC,CAAC;IAC/C,CAAC;IACD,OAAO,CAAC,IAAI,IAAI,CAAC,MAAM,IAAI,IAAI,CAAC,YAAY,CAAC,CAAC,CAAC,KAAK,UAAU,IAAI,IAAI,CAAC,SAAS,CAAC,CAAC,CAAC,KAAK,IAAI,CAAC;AAC/F,CAAC;AAED;;;;;;;;;;GAUG;AACH,SAAgB,YAAY,CAAC,IAAqB;IAChD,IAAI,MAAM,CAAC,QAAQ,CAAC,IAAI,CAAC,EAAE,CAAC;QAC1B,8DAA8D;QAC9D,IAAI,MAAM,CAAC,IAAI,CAAC,EAAE,CAAC;YACjB,OAAO,IAAI,CAAC;QACd,CAAC;QAED,+EAA+E;QAC/E,IAAI,GAAG,IAAI,CAAC,QAAQ,CAAC,OAAO,CAAC,CAAC;IAChC,CAAC;IAED,IAAI,OAAO,IAAI,KAAK,QAAQ,EAAE,CAAC;QAC7B,MAAM,SAAS,GAAG,CAAC,KAAK,EAAE,QAAQ,CAAU,CAAC;QAC7C,KAAK,MAAM,QAAQ,IAAI,SAAS,EAAE,CAAC;YACjC,IAAI,MAAc,CAAC;YACnB,IAAI,CAAC;gBACH,MAAM,GAAG,MAAM,CAAC,IAAI,CAAC,IAAI,EAAE,QAAQ,CAAC,CAAC;YACvC,CAAC;YAAC,OAAO,CAAC,EAAE,CAAC;gBACX,SAAS;YACX,CAAC;YACD,IAAI,MAAM,CAAC,MAAM,CAAC,EAAE,CAAC;gBACnB,OAAO,MAAM,CAAC;YAChB,CAAC;QACH,CAAC;QAED,MAAM,IAAI,KAAK,CAAC,gDAAgD,SAAS,CAAC,IAAI,CAAC,IAAI,CAAC,EAAE,CAAC,CAAC;IAC1F,CAAC;IAED,MAAM,IAAI,KAAK,CAAC,mCAAmC,CAAC,CAAC;AACvD,CAAC;AAED;;GAEG;AACH,SAAgB,mBAAmB,CAAI,IAAU,EAAE,EAAW,EAAE,MAAM,GAAG,IAAI;IAC3E,MAAM,SAAS,GAAI,IAAY,CAAC,OAAO,CAAC,uBAAuB,CAAC;IAChE,MAAM,aAAa,GAAI,IAAY,CAAC,OAAO,CAAC,4BAA4B,CAAC;IACxE,IAAY,CAAC,OAAO,CAAC,uBAAuB,GAAG,MAAM,CAAC;IACtD,IAAY,CAAC,OAAO,CAAC,4BAA4B,GAAG,CAAC,MAAM,CAAC;IAC7D,IAAI,CAAC;QACH,OAAO,EAAE,EAAE,CAAC;IACd,CAAC;YAAS,CAAC;QACR,IAAY,CAAC,OAAO,CAAC,uBAAuB,GAAG,SAAS,CAAC;QACzD,IAAY,CAAC,OAAO,CAAC,4BAA4B,GAAG,aAAa,CAAC;IACrE,CAAC;AACH,CAAC","sourcesContent":["import { PsbtInput, PsbtOutput } from 'bip174/src/lib/interfaces';\nimport { Psbt } from 'bitcoinjs-lib/src/psbt';\n\nimport {\n  getProprietaryKeyValuesFromUnknownKeyValues,\n  ProprietaryKeySearch,\n  ProprietaryKeyValue,\n} from './ProprietaryKeyValUtils';\n\n/**\n * bitgo proprietary key identifier\n */\nexport const PSBT_PROPRIETARY_IDENTIFIER = 'BITGO';\n\n/**\n * subtype for proprietary keys that bitgo uses\n */\nexport enum ProprietaryKeySubtype {\n  ZEC_CONSENSUS_BRANCH_ID = 0x00,\n  MUSIG2_PARTICIPANT_PUB_KEYS = 0x01,\n  MUSIG2_PUB_NONCE = 0x02,\n  MUSIG2_PARTIAL_SIG = 0x03,\n  PAYGO_ADDRESS_ATTESTATION_PROOF = 0x04,\n  BIP322_MESSAGE = 0x05,\n}\n\n/**\n * Search any data from psbt proprietary key value against keydata.\n * Default identifierEncoding is utf-8 for identifier.\n */\nexport function getPsbtInputProprietaryKeyVals(\n  input: PsbtInput,\n  keySearch?: ProprietaryKeySearch\n): ProprietaryKeyValue[] {\n  if (!input.unknownKeyVals?.length) {\n    return [];\n  }\n  return getProprietaryKeyValuesFromUnknownKeyValues(input, keySearch);\n}\n\nexport function getPsbtOutputProprietaryKeyVals(\n  output: PsbtOutput,\n  keySearch?: ProprietaryKeySearch\n): ProprietaryKeyValue[] {\n  if (!output.unknownKeyVals?.length) {\n    return [];\n  }\n  return getProprietaryKeyValuesFromUnknownKeyValues(output, keySearch);\n}\n\n/**\n * @return partialSig/tapScriptSig/MUSIG2_PARTIAL_SIG count iff input is not finalized\n */\nexport function getPsbtInputSignatureCount(input: PsbtInput): number {\n  if (isPsbtInputFinalized(input)) {\n    throw new Error('Input is already finalized');\n  }\n  return Math.max(\n    Array.isArray(input.partialSig) ? input.partialSig.length : 0,\n    Array.isArray(input.tapScriptSig) ? input.tapScriptSig.length : 0,\n    getPsbtInputProprietaryKeyVals(input, {\n      identifier: PSBT_PROPRIETARY_IDENTIFIER,\n      subtype: ProprietaryKeySubtype.MUSIG2_PARTIAL_SIG,\n    }).length\n  );\n}\n\n/**\n * @return true iff PSBT input is finalized\n */\nexport function isPsbtInputFinalized(input: PsbtInput): boolean {\n  return Buffer.isBuffer(input.finalScriptSig) || Buffer.isBuffer(input.finalScriptWitness);\n}\n\n/**\n * @return true iff data starts with magic PSBT byte sequence\n * @param data byte array or hex string\n * */\nexport function isPsbt(data: Buffer | string): boolean {\n  // https://github.com/bitcoin/bips/blob/master/bip-0174.mediawiki#specification\n  // 0x70736274 - ASCII for 'psbt'. 0xff - separator\n  if (typeof data === 'string') {\n    if (data.length < 10) {\n      return false;\n    }\n    data = Buffer.from(data.slice(0, 10), 'hex');\n  }\n  return 5 <= data.length && data.readUInt32BE(0) === 0x70736274 && data.readUInt8(4) === 0xff;\n}\n\n/**\n * First checks if the input is already a buffer that starts with the magic PSBT byte sequence.\n * If not, it checks if the input is a base64- or hex-encoded string that starts with PSBT header.\n *\n * This function is useful when reading a file that could be in any of the above formats or when\n * dealing with a request that could contain a hex or base64 encoded PSBT.\n *\n * @param data\n * @return buffer that starts with the magic PSBT byte sequence\n * @throws Error when conversion is not possible\n */\nexport function toPsbtBuffer(data: Buffer | string): Buffer {\n  if (Buffer.isBuffer(data)) {\n    // we are dealing with a buffer that looks like a psbt already\n    if (isPsbt(data)) {\n      return data;\n    }\n\n    // we could be dealing with a buffer that could be a hex or base64 encoded psbt\n    data = data.toString('ascii');\n  }\n\n  if (typeof data === 'string') {\n    const encodings = ['hex', 'base64'] as const;\n    for (const encoding of encodings) {\n      let buffer: Buffer;\n      try {\n        buffer = Buffer.from(data, encoding);\n      } catch (e) {\n        continue;\n      }\n      if (isPsbt(buffer)) {\n        return buffer;\n      }\n    }\n\n    throw new Error(`data is not in any of the following formats: ${encodings.join(', ')}`);\n  }\n\n  throw new Error('data must be a buffer or a string');\n}\n\n/**\n * This function allows signing or validating a psbt with non-segwit inputs those do not contain nonWitnessUtxo.\n */\nexport function withUnsafeNonSegwit<T>(psbt: Psbt, fn: () => T, unsafe = true): T {\n  const prevValue = (psbt as any).__CACHE.__UNSAFE_SIGN_NONSEGWIT;\n  const prevValueWarn = (psbt as any).__CACHE.__WARN_UNSAFE_SIGN_NONSEGWIT;\n  (psbt as any).__CACHE.__UNSAFE_SIGN_NONSEGWIT = unsafe;\n  (psbt as any).__CACHE.__WARN_UNSAFE_SIGN_NONSEGWIT = !unsafe;\n  try {\n    return fn();\n  } finally {\n    (psbt as any).__CACHE.__UNSAFE_SIGN_NONSEGWIT = prevValue;\n    (psbt as any).__CACHE.__WARN_UNSAFE_SIGN_NONSEGWIT = prevValueWarn;\n  }\n}\n"]}Выполнить команду
Для локальной разработки. Не используйте в интернете!