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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/@bitgo/abstract-utxo/dist/src/transaction
Просмотр файла: recipient.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.isScriptRecipient = isScriptRecipient;
exports.fromExtendedAddressFormat = fromExtendedAddressFormat;
exports.fromExtendedAddressFormatToScript = fromExtendedAddressFormatToScript;
exports.toExtendedAddressFormat = toExtendedAddressFormat;
exports.assertValidTransactionRecipient = assertValidTransactionRecipient;
const utxolib = __importStar(require("@bitgo/utxo-lib"));
const ScriptRecipientPrefix = 'scriptPubKey:';
/**
* Check if the address is a script recipient (starts with `scriptPubKey:`).
* @param address
*/
function isScriptRecipient(address) {
return address.toLowerCase().startsWith(ScriptRecipientPrefix.toLowerCase());
}
/**
* An extended address is one that encodes either a regular address or a hex encoded script with the prefix `scriptPubKey:`.
* This function converts the extended address format to either a script or an address.
* @param extendedAddress
*/
function fromExtendedAddressFormat(extendedAddress) {
if (isScriptRecipient(extendedAddress)) {
return { script: extendedAddress.slice(ScriptRecipientPrefix.length) };
}
return { address: extendedAddress };
}
function fromExtendedAddressFormatToScript(extendedAddress, network) {
const result = fromExtendedAddressFormat(extendedAddress);
if ('script' in result) {
return Buffer.from(result.script, 'hex');
}
return utxolib.addressFormat.toOutputScriptTryFormats(result.address, network);
}
/**
* Convert a script or address to the extended address format.
* @param script
* @param network
* @returns if the script is an OP_RETURN script, then it will be prefixed with `scriptPubKey:`, otherwise it will be converted to an address.
*/
function toExtendedAddressFormat(script, network) {
return script[0] === utxolib.opcodes.OP_RETURN
? `${ScriptRecipientPrefix}${script.toString('hex')}`
: utxolib.address.fromOutputScript(script, network);
}
function assertValidTransactionRecipient(output) {
// In the case that this is an OP_RETURN output or another non-encodable scriptPubkey, we dont have an address.
// We will verify that the amount is zero, and if it isnt then we will throw an error.
if (!output.address || isScriptRecipient(output.address)) {
if (output.amount.toString() !== '0') {
throw new Error(`Only zero amounts allowed for non-encodeable scriptPubkeys: ${JSON.stringify(output)}`);
}
}
}
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1vdW50cyBhbGxvd2VkIGZvciBub24tZW5jb2RlYWJsZSBzY3JpcHRQdWJrZXlzOiAke0pTT04uc3RyaW5naWZ5KG91dHB1dCl9YCk7XG4gICAgfVxuICB9XG59XG4iXX0=Выполнить 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