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Текущая директория: /opt/BitGoJS/modules/utxo-lib/dist/src/bitgo/wallet
Просмотр файла: chains.js
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.chainCodes = exports.chainCodesP2trMusig2 = exports.chainCodesP2tr = exports.chainCodesP2wsh = exports.chainCodesP2shP2wsh = exports.chainCodesP2sh = void 0;
exports.isChainCode = isChainCode;
exports.toChainPair = toChainPair;
exports.scriptTypeForChain = scriptTypeForChain;
exports.getExternalChainCode = getExternalChainCode;
exports.getInternalChainCode = getInternalChainCode;
exports.isExternalChainCode = isExternalChainCode;
exports.isInternalChainCode = isInternalChainCode;
exports.isSegwit = isSegwit;
/**
* All valid chain codes
*/
exports.chainCodesP2sh = [0, 1];
exports.chainCodesP2shP2wsh = [10, 11];
exports.chainCodesP2wsh = [20, 21];
exports.chainCodesP2tr = [30, 31];
exports.chainCodesP2trMusig2 = [40, 41];
exports.chainCodes = [
...exports.chainCodesP2sh,
...exports.chainCodesP2shP2wsh,
...exports.chainCodesP2wsh,
...exports.chainCodesP2tr,
...exports.chainCodesP2trMusig2,
];
function isChainCode(n) {
return exports.chainCodes.includes(n);
}
const map = new Map([
['p2sh', exports.chainCodesP2sh],
['p2shP2wsh', exports.chainCodesP2shP2wsh],
['p2wsh', exports.chainCodesP2wsh],
['p2tr', exports.chainCodesP2tr],
['p2trMusig2', exports.chainCodesP2trMusig2],
].map(([k, v]) => [k, Object.freeze(v)]));
const pairs = [...map.values()];
/**
* @return ChainCodePair for input
*/
function toChainPair(v) {
let pair;
if (Array.isArray(v)) {
if (pairs.includes(v)) {
pair = v;
}
}
if (typeof v === 'string') {
pair = map.get(v);
}
if (typeof v === 'number') {
pair = pairs.find((p) => p.includes(v));
}
if (!pair) {
throw new Error(`no pair for input ${v}`);
}
return pair;
}
/**
* @return ScriptType2Of3 for input
*/
function scriptTypeForChain(chain) {
for (const [scriptType, pair] of map.entries()) {
if (pair.includes(chain)) {
return scriptType;
}
}
throw new Error(`invalid chain ${chain}`);
}
/**
* @return chain code intended for external addresses
*/
function getExternalChainCode(v) {
return toChainPair(v)[0];
}
/**
* @return chain code intended for change outputs
*/
function getInternalChainCode(v) {
return toChainPair(v)[1];
}
/**
* @return true iff chain code is external
*/
function isExternalChainCode(v) {
return toChainPair(v).indexOf(v) === 0;
}
/**
* @return true iff chain code is internal
*/
function isInternalChainCode(v) {
return toChainPair(v).indexOf(v) === 1;
}
/**
* @return true iff chain code is a segwit address
*/
function isSegwit(v) {
const segwitCodes = [
...exports.chainCodesP2shP2wsh,
...exports.chainCodesP2wsh,
...exports.chainCodesP2tr,
...exports.chainCodesP2trMusig2,
];
return segwitCodes.includes(v);
}
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* Defines BitGo mappings between bip32 derivation path and script type.\n *\n * The scripts for a BitGo wallet address are defined by their derivation path.\n *\n * The derivation path has the format `0/0/${chain}/${index}` (in rare cases the prefix is not 0/0)\n *\n * The address script type (ScriptType2Of3) is defined by the `chain` parameter.\n *\n * This file defines the mapping between chain parameter and address type.\n */\nimport { ScriptType2Of3 } from '../outputScripts';\n\n/**\n * All valid chain codes\n */\nexport const chainCodesP2sh = [0, 1] as const;\nexport const chainCodesP2shP2wsh = [10, 11] as const;\nexport const chainCodesP2wsh = [20, 21] as const;\nexport const chainCodesP2tr = [30, 31] as const;\nexport const chainCodesP2trMusig2 = [40, 41] as const;\nexport const chainCodes = [\n  ...chainCodesP2sh,\n  ...chainCodesP2shP2wsh,\n  ...chainCodesP2wsh,\n  ...chainCodesP2tr,\n  ...chainCodesP2trMusig2,\n];\nexport type ChainCode = (typeof chainCodes)[number];\nexport function isChainCode(n: unknown): n is ChainCode {\n  return chainCodes.includes(n as ChainCode);\n}\n\n/**\n * A script type maps to two ChainCodes:\n * External addresses are intended for deposits, internal addresses are intended for change outputs.\n */\nexport type ChainCodePair = Readonly<[external: ChainCode, internal: ChainCode]>;\n\nconst map = new Map<ScriptType2Of3, ChainCodePair>(\n  [\n    ['p2sh', chainCodesP2sh],\n    ['p2shP2wsh', chainCodesP2shP2wsh],\n    ['p2wsh', chainCodesP2wsh],\n    ['p2tr', chainCodesP2tr],\n    ['p2trMusig2', chainCodesP2trMusig2],\n  ].map(([k, v]) => [k as ScriptType2Of3, Object.freeze(v) as ChainCodePair])\n);\n\nconst pairs = [...map.values()];\n\n/**\n * @return ChainCodePair for input\n */\nexport function toChainPair(v: ChainCodePair | ChainCode | ScriptType2Of3): ChainCodePair {\n  let pair;\n  if (Array.isArray(v)) {\n    if (pairs.includes(v as ChainCodePair)) {\n      pair = v;\n    }\n  }\n  if (typeof v === 'string') {\n    pair = map.get(v);\n  }\n  if (typeof v === 'number') {\n    pair = pairs.find((p) => p.includes(v));\n  }\n  if (!pair) {\n    throw new Error(`no pair for input ${v}`);\n  }\n  return pair as ChainCodePair;\n}\n\n/**\n * @return ScriptType2Of3 for input\n */\nexport function scriptTypeForChain(chain: ChainCode): ScriptType2Of3 {\n  for (const [scriptType, pair] of map.entries()) {\n    if (pair.includes(chain)) {\n      return scriptType;\n    }\n  }\n  throw new Error(`invalid chain ${chain}`);\n}\n\n/**\n * @return chain code intended for external addresses\n */\nexport function getExternalChainCode(v: ChainCodePair | ScriptType2Of3 | ChainCode): ChainCode {\n  return toChainPair(v)[0];\n}\n\n/**\n * @return chain code intended for change outputs\n */\nexport function getInternalChainCode(v: ChainCodePair | ScriptType2Of3 | ChainCode): ChainCode {\n  return toChainPair(v)[1];\n}\n\n/**\n * @return true iff chain code is external\n */\nexport function isExternalChainCode(v: ChainCode): boolean {\n  return toChainPair(v).indexOf(v) === 0;\n}\n\n/**\n * @return true iff chain code is internal\n */\nexport function isInternalChainCode(v: ChainCode): boolean {\n  return toChainPair(v).indexOf(v) === 1;\n}\n\n/**\n * @return true iff chain code is a segwit address\n */\nexport function isSegwit(v: ChainCode): boolean {\n  const segwitCodes: ChainCode[] = [\n    ...chainCodesP2shP2wsh,\n    ...chainCodesP2wsh,\n    ...chainCodesP2tr,\n    ...chainCodesP2trMusig2,\n  ];\n  return segwitCodes.includes(v);\n}\n"]}Выполнить команду
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