PHP WebShell

• .. (вверх)
• [DIR] ..
• [FILE] Errors.d.ts
• [FILE] Errors.d.ts.map
• [FILE] Errors.js
• [FILE] index.d.ts
• [FILE] index.d.ts.map
• [FILE] index.js
• [FILE] payGoAddressProof.d.ts
• [FILE] payGoAddressProof.d.ts.map
• [FILE] payGoAddressProof.js

Просмотр файла: payGoAddressProof.js

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.addPayGoAddressProof = addPayGoAddressProof;
exports.verifyPayGoAddressProof = verifyPayGoAddressProof;
exports.getPayGoAddressProofOutputIndex = getPayGoAddressProofOutputIndex;
exports.psbtOutputIncludesPaygoAddressProof = psbtOutputIncludesPaygoAddressProof;
const utxolib = __importStar(require("@bitgo/utxo-lib"));
const utils_1 = require("bip174/src/lib/utils");
const bip32utils_1 = require("../../bip32utils");
const attestation_1 = require("../attestation");
const Errors_1 = require("./Errors");
/** This function adds the entropy and signature into the PSBT output unknown key vals.
 * We store the entropy so that we reconstruct the message <ENTROPY><ADDRESS><UUID>
 * to later verify.
 *
 * @param psbt - PSBT that we need to encode our paygo address into
 * @param outputIndex - the index of the address in our output
 * @param sig - the signature that we want to encode
 * @param entropy - the arbitrary entropy bytes from our vasp proof
 */
function addPayGoAddressProof(psbt, outputIndex, sig, entropy) {
    utxolib.bitgo.addProprietaryKeyValuesFromUnknownKeyValues(psbt, 'output', outputIndex, {
        key: {
            identifier: utxolib.bitgo.PSBT_PROPRIETARY_IDENTIFIER,
            subtype: utxolib.bitgo.ProprietaryKeySubtype.PAYGO_ADDRESS_ATTESTATION_PROOF,
            keydata: entropy,
        },
        value: sig,
    });
}
/** Verify the paygo address signature is valid using verification pub key.
 *
 * @param psbt - PSBT we want to verify that the paygo address is in
 * @param outputIndex - we have the output index that address is in
 * @param verificationPubkey - the pubkey signed by the HSM to verify our message
 * @returns
 */
function verifyPayGoAddressProof(psbt, outputIndex, verificationPubkey) {
    const psbtOutputs = (0, utils_1.checkForOutput)(psbt.data.outputs, outputIndex);
    const stored = utxolib.bitgo.getProprietaryKeyValuesFromUnknownKeyValues(psbtOutputs, {
        identifier: utxolib.bitgo.PSBT_PROPRIETARY_IDENTIFIER,
        subtype: utxolib.bitgo.ProprietaryKeySubtype.PAYGO_ADDRESS_ATTESTATION_PROOF,
    });
    // assert stored length is 0 or 1
    if (stored.length === 0) {
        throw new Errors_1.ErrorNoPayGoProof(outputIndex);
    }
    else if (stored.length > 1) {
        throw new Errors_1.ErrorMultiplePayGoProof();
    }
    // We get the signature and entropy from our PSBT unknown key vals
    const signature = stored[0].value;
    const entropy = stored[0].key.keydata;
    // Get the the PayGo address from the txOutputs
    const txOutputs = psbt.txOutputs;
    if (outputIndex >= txOutputs.length) {
        throw new Errors_1.ErrorOutputIndexOutOfBounds(outputIndex);
    }
    const output = txOutputs[outputIndex];
    const addressFromOutput = utxolib.address.fromOutputScript(output.script, psbt.network);
    // We construct our message <ENTROPY><ADDRESS><UUID>
    const message = (0, attestation_1.createPayGoAttestationBuffer)(addressFromOutput, entropy, psbt.network);
    // bip32utils.verifyMessage now takes in message as a Buffer
    if (!(0, bip32utils_1.verifyMessage)(message, verificationPubkey, signature, utxolib.networks.bitcoin)) {
        throw new Errors_1.ErrorPayGoAddressProofFailedVerification();
    }
}
/** Get the output index of the paygo output if there is one. It does this by
 * checking if the metadata is on one of the outputs of the PSBT. If there is
 * no paygo output, return undefined
 *
 * @param psbt
 * @returns number - the index of the output address
 */
function getPayGoAddressProofOutputIndex(psbt) {
    const res = psbt.data.outputs.flatMap((output, outputIndex) => {
        const proprietaryKeyVals = utxolib.bitgo.getPsbtOutputProprietaryKeyVals(output, {
            identifier: utxolib.bitgo.PSBT_PROPRIETARY_IDENTIFIER,
            subtype: utxolib.bitgo.ProprietaryKeySubtype.PAYGO_ADDRESS_ATTESTATION_PROOF,
        });
        if (proprietaryKeyVals.length > 1) {
            throw new Errors_1.ErrorMultiplePayGoProofAtPsbtIndex(outputIndex);
        }
        return proprietaryKeyVals.length === 0 ? [] : [outputIndex];
    });
    return res.length === 0 ? undefined : res[0];
}
function psbtOutputIncludesPaygoAddressProof(psbt) {
    return getPayGoAddressProofOutputIndex(psbt) !== undefined;
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"payGoAddressProof.js","sourceRoot":"","sources":["../../../../src/paygo/psbt/payGoAddressProof.ts"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;AAuBA,oDAcC;AASD,0DAqCC;AASD,0EAeC;AAED,kFAEC;AA/GD,yDAA2C;AAC3C,gDAAsD;AAEtD,iDAAiD;AACjD,gDAA8D;AAE9D,qCAMkB;AAElB;;;;;;;;GAQG;AACH,SAAgB,oBAAoB,CAClC,IAA4B,EAC5B,WAAmB,EACnB,GAAW,EACX,OAAe;IAEf,OAAO,CAAC,KAAK,CAAC,2CAA2C,CAAC,IAAI,EAAE,QAAQ,EAAE,WAAW,EAAE;QACrF,GAAG,EAAE;YACH,UAAU,EAAE,OAAO,CAAC,KAAK,CAAC,2BAA2B;YACrD,OAAO,EAAE,OAAO,CAAC,KAAK,CAAC,qBAAqB,CAAC,+BAA+B;YAC5E,OAAO,EAAE,OAAO;SACjB;QACD,KAAK,EAAE,GAAG;KACX,CAAC,CAAC;AACL,CAAC;AAED;;;;;;GAMG;AACH,SAAgB,uBAAuB,CACrC,IAA4B,EAC5B,WAAmB,EACnB,kBAA0B;IAE1B,MAAM,WAAW,GAAG,IAAA,sBAAc,EAAC,IAAI,CAAC,IAAI,CAAC,OAAO,EAAE,WAAW,CAAC,CAAC;IACnE,MAAM,MAAM,GAAG,OAAO,CAAC,KAAK,CAAC,2CAA2C,CAAC,WAAW,EAAE;QACpF,UAAU,EAAE,OAAO,CAAC,KAAK,CAAC,2BAA2B;QACrD,OAAO,EAAE,OAAO,CAAC,KAAK,CAAC,qBAAqB,CAAC,+BAA+B;KAC7E,CAAC,CAAC;IAEH,iCAAiC;IACjC,IAAI,MAAM,CAAC,MAAM,KAAK,CAAC,EAAE,CAAC;QACxB,MAAM,IAAI,0BAAiB,CAAC,WAAW,CAAC,CAAC;IAC3C,CAAC;SAAM,IAAI,MAAM,CAAC,MAAM,GAAG,CAAC,EAAE,CAAC;QAC7B,MAAM,IAAI,gCAAuB,EAAE,CAAC;IACtC,CAAC;IAED,kEAAkE;IAClE,MAAM,SAAS,GAAG,MAAM,CAAC,CAAC,CAAC,CAAC,KAAK,CAAC;IAClC,MAAM,OAAO,GAAG,MAAM,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,OAAO,CAAC;IAEtC,+CAA+C;IAC/C,MAAM,SAAS,GAAG,IAAI,CAAC,SAAS,CAAC;IACjC,IAAI,WAAW,IAAI,SAAS,CAAC,MAAM,EAAE,CAAC;QACpC,MAAM,IAAI,oCAA2B,CAAC,WAAW,CAAC,CAAC;IACrD,CAAC;IACD,MAAM,MAAM,GAAG,SAAS,CAAC,WAAW,CAAC,CAAC;IACtC,MAAM,iBAAiB,GAAG,OAAO,CAAC,OAAO,CAAC,gBAAgB,CAAC,MAAM,CAAC,MAAM,EAAE,IAAI,CAAC,OAAO,CAAC,CAAC;IAExF,oDAAoD;IACpD,MAAM,OAAO,GAAG,IAAA,0CAA4B,EAAC,iBAAiB,EAAE,OAAO,EAAE,IAAI,CAAC,OAAO,CAAC,CAAC;IAEvF,4DAA4D;IAC5D,IAAI,CAAC,IAAA,0BAAa,EAAC,OAAO,EAAE,kBAAkB,EAAE,SAAS,EAAE,OAAO,CAAC,QAAQ,CAAC,OAAO,CAAC,EAAE,CAAC;QACrF,MAAM,IAAI,iDAAwC,EAAE,CAAC;IACvD,CAAC;AACH,CAAC;AAED;;;;;;GAMG;AACH,SAAgB,+BAA+B,CAAC,IAA4B;IAC1E,MAAM,GAAG,GAAG,IAAI,CAAC,IAAI,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC,MAAM,EAAE,WAAW,EAAE,EAAE;QAC5D,MAAM,kBAAkB,GAAG,OAAO,CAAC,KAAK,CAAC,+BAA+B,CAAC,MAAM,EAAE;YAC/E,UAAU,EAAE,OAAO,CAAC,KAAK,CAAC,2BAA2B;YACrD,OAAO,EAAE,OAAO,CAAC,KAAK,CAAC,qBAAqB,CAAC,+BAA+B;SAC7E,CAAC,CAAC;QAEH,IAAI,kBAAkB,CAAC,MAAM,GAAG,CAAC,EAAE,CAAC;YAClC,MAAM,IAAI,2CAAkC,CAAC,WAAW,CAAC,CAAC;QAC5D,CAAC;QAED,OAAO,kBAAkB,CAAC,MAAM,KAAK,CAAC,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC,WAAW,CAAC,CAAC;IAC9D,CAAC,CAAC,CAAC;IAEH,OAAO,GAAG,CAAC,MAAM,KAAK,CAAC,CAAC,CAAC,CAAC,SAAS,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC;AAC/C,CAAC;AAED,SAAgB,mCAAmC,CAAC,IAA4B;IAC9E,OAAO,+BAA+B,CAAC,IAAI,CAAC,KAAK,SAAS,CAAC;AAC7D,CAAC","sourcesContent":["import * as utxolib from '@bitgo/utxo-lib';\nimport { checkForOutput } from 'bip174/src/lib/utils';\n\nimport { verifyMessage } from '../../bip32utils';\nimport { createPayGoAttestationBuffer } from '../attestation';\n\nimport {\n  ErrorMultiplePayGoProof,\n  ErrorMultiplePayGoProofAtPsbtIndex,\n  ErrorNoPayGoProof,\n  ErrorOutputIndexOutOfBounds,\n  ErrorPayGoAddressProofFailedVerification,\n} from './Errors';\n\n/** This function adds the entropy and signature into the PSBT output unknown key vals.\n * We store the entropy so that we reconstruct the message <ENTROPY><ADDRESS><UUID>\n * to later verify.\n *\n * @param psbt - PSBT that we need to encode our paygo address into\n * @param outputIndex - the index of the address in our output\n * @param sig - the signature that we want to encode\n * @param entropy - the arbitrary entropy bytes from our vasp proof\n */\nexport function addPayGoAddressProof(\n  psbt: utxolib.bitgo.UtxoPsbt,\n  outputIndex: number,\n  sig: Buffer,\n  entropy: Buffer\n): void {\n  utxolib.bitgo.addProprietaryKeyValuesFromUnknownKeyValues(psbt, 'output', outputIndex, {\n    key: {\n      identifier: utxolib.bitgo.PSBT_PROPRIETARY_IDENTIFIER,\n      subtype: utxolib.bitgo.ProprietaryKeySubtype.PAYGO_ADDRESS_ATTESTATION_PROOF,\n      keydata: entropy,\n    },\n    value: sig,\n  });\n}\n\n/** Verify the paygo address signature is valid using verification pub key.\n *\n * @param psbt - PSBT we want to verify that the paygo address is in\n * @param outputIndex - we have the output index that address is in\n * @param verificationPubkey - the pubkey signed by the HSM to verify our message\n * @returns\n */\nexport function verifyPayGoAddressProof(\n  psbt: utxolib.bitgo.UtxoPsbt,\n  outputIndex: number,\n  verificationPubkey: Buffer\n): void {\n  const psbtOutputs = checkForOutput(psbt.data.outputs, outputIndex);\n  const stored = utxolib.bitgo.getProprietaryKeyValuesFromUnknownKeyValues(psbtOutputs, {\n    identifier: utxolib.bitgo.PSBT_PROPRIETARY_IDENTIFIER,\n    subtype: utxolib.bitgo.ProprietaryKeySubtype.PAYGO_ADDRESS_ATTESTATION_PROOF,\n  });\n\n  // assert stored length is 0 or 1\n  if (stored.length === 0) {\n    throw new ErrorNoPayGoProof(outputIndex);\n  } else if (stored.length > 1) {\n    throw new ErrorMultiplePayGoProof();\n  }\n\n  // We get the signature and entropy from our PSBT unknown key vals\n  const signature = stored[0].value;\n  const entropy = stored[0].key.keydata;\n\n  // Get the the PayGo address from the txOutputs\n  const txOutputs = psbt.txOutputs;\n  if (outputIndex >= txOutputs.length) {\n    throw new ErrorOutputIndexOutOfBounds(outputIndex);\n  }\n  const output = txOutputs[outputIndex];\n  const addressFromOutput = utxolib.address.fromOutputScript(output.script, psbt.network);\n\n  // We construct our message <ENTROPY><ADDRESS><UUID>\n  const message = createPayGoAttestationBuffer(addressFromOutput, entropy, psbt.network);\n\n  // bip32utils.verifyMessage now takes in message as a Buffer\n  if (!verifyMessage(message, verificationPubkey, signature, utxolib.networks.bitcoin)) {\n    throw new ErrorPayGoAddressProofFailedVerification();\n  }\n}\n\n/** Get the output index of the paygo output if there is one. It does this by\n * checking if the metadata is on one of the outputs of the PSBT. If there is\n * no paygo output, return undefined\n *\n * @param psbt\n * @returns number - the index of the output address\n */\nexport function getPayGoAddressProofOutputIndex(psbt: utxolib.bitgo.UtxoPsbt): number | undefined {\n  const res = psbt.data.outputs.flatMap((output, outputIndex) => {\n    const proprietaryKeyVals = utxolib.bitgo.getPsbtOutputProprietaryKeyVals(output, {\n      identifier: utxolib.bitgo.PSBT_PROPRIETARY_IDENTIFIER,\n      subtype: utxolib.bitgo.ProprietaryKeySubtype.PAYGO_ADDRESS_ATTESTATION_PROOF,\n    });\n\n    if (proprietaryKeyVals.length > 1) {\n      throw new ErrorMultiplePayGoProofAtPsbtIndex(outputIndex);\n    }\n\n    return proprietaryKeyVals.length === 0 ? [] : [outputIndex];\n  });\n\n  return res.length === 0 ? undefined : res[0];\n}\n\nexport function psbtOutputIncludesPaygoAddressProof(psbt: utxolib.bitgo.UtxoPsbt): boolean {\n  return getPayGoAddressProofOutputIndex(psbt) !== undefined;\n}\n"]}

Выполнить команду