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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/@bitgo/utxo-lib/dist/src/payments
Просмотр файла: p2tr_ns.js
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.p2tr_ns = p2tr_ns;
const networks_1 = require("../networks");
const bitcoinjs_lib_1 = require("bitcoinjs-lib");
const OPS = bitcoinjs_lib_1.script.OPS;
const typef = require('typeforce');
const BITCOIN_NETWORK = networks_1.networks.bitcoin;
function stacksEqual(a, b) {
if (a.length !== b.length)
return false;
return a.every((x, i) => {
return x.equals(b[i]);
});
}
// input: [signatures ...]
// output: [pubKeys[0:n-1] OP_CHECKSIGVERIFY] pubKeys[n-1] OP_CHECKSIG
function p2tr_ns(a, opts) {
if (!a.input && !a.output && !(a.pubkeys && a.pubkeys.length) && !a.signatures) {
throw new TypeError('Not enough data');
}
opts = Object.assign({ validate: true }, opts || {});
if (!opts.eccLib)
throw new Error('ECC Library is required for p2tr_ns.');
const ecc = opts.eccLib;
function isAcceptableSignature(x) {
if (Buffer.isBuffer(x)) {
return (
// empty signatures may be represented as empty buffers
(opts && opts.allowIncomplete && x.length === 0) || bitcoinjs_lib_1.script.isCanonicalSchnorrSignature(x));
}
return !!(opts && opts.allowIncomplete && x === OPS.OP_0);
}
typef({
network: typef.maybe(typef.Object),
output: typef.maybe(typef.Buffer),
pubkeys: typef.maybe(typef.arrayOf(ecc.isXOnlyPoint)),
signatures: typef.maybe(typef.arrayOf(isAcceptableSignature)),
input: typef.maybe(typef.Buffer),
}, a);
const network = a.network || BITCOIN_NETWORK;
const o = { network };
const _chunks = bitcoinjs_lib_1.lazy.value(() => {
if (!a.output)
return;
return bitcoinjs_lib_1.script.decompile(a.output);
});
bitcoinjs_lib_1.lazy.prop(o, 'output', () => {
if (!a.pubkeys)
return;
return bitcoinjs_lib_1.script.compile([].concat(...a.pubkeys.map((pk, i, pks) => [pk, i === pks.length - 1 ? OPS.OP_CHECKSIG : OPS.OP_CHECKSIGVERIFY])));
});
bitcoinjs_lib_1.lazy.prop(o, 'n', () => {
if (!o.pubkeys)
return;
return o.pubkeys.length;
});
bitcoinjs_lib_1.lazy.prop(o, 'pubkeys', () => {
const chunks = _chunks();
if (!chunks)
return;
return chunks.filter((_, index) => index % 2 === 0);
});
bitcoinjs_lib_1.lazy.prop(o, 'signatures', () => {
if (!a.input)
return;
return bitcoinjs_lib_1.script.decompile(a.input)?.reverse();
});
bitcoinjs_lib_1.lazy.prop(o, 'input', () => {
if (!a.signatures)
return;
return bitcoinjs_lib_1.script.compile([...a.signatures].reverse());
});
bitcoinjs_lib_1.lazy.prop(o, 'witness', () => {
if (!o.input)
return;
return [];
});
bitcoinjs_lib_1.lazy.prop(o, 'name', () => {
if (!o.n)
return;
return `p2tr_ns(${o.n})`;
});
// extended validation
if (opts.validate) {
const chunks = _chunks();
if (chunks) {
if (chunks[chunks.length - 1] !== OPS.OP_CHECKSIG) {
throw new TypeError('Output ends with unexpected opcode');
}
if (chunks
.filter((_, index) => index % 2 === 1)
.slice(0, -1)
.some((op) => op !== OPS.OP_CHECKSIGVERIFY)) {
throw new TypeError('Output contains unexpected opcode');
}
if (o.n > 16 || o.n !== chunks.length / 2) {
throw new TypeError('Output contains too many pubkeys');
}
if (o.pubkeys.some((x) => !ecc.isXOnlyPoint(x))) {
throw new TypeError('Output contains invalid pubkey(s)');
}
if (a.pubkeys && !stacksEqual(a.pubkeys, o.pubkeys)) {
throw new TypeError('Pubkeys mismatch');
}
}
if (a.pubkeys && a.pubkeys.length) {
o.n = a.pubkeys.length;
}
if (a.signatures && o.n) {
if (a.signatures.length < o.n) {
throw new TypeError('Not enough signatures provided');
}
if (a.signatures.length > o.n) {
throw new TypeError('Too many signatures provided');
}
}
if (a.input) {
if (!o.signatures.every(isAcceptableSignature)) {
throw new TypeError('Input has invalid signature(s)');
}
if (a.signatures && !stacksEqual(a.signatures, o.signatures)) {
throw new TypeError('Signature mismatch');
}
if (o.n !== o.signatures.length) {
throw new TypeError(`Signature count mismatch (n: ${o.n}, signatures.length: ${o.signatures.length}`);
}
}
}
return Object.assign(o, a);
}
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{ networks } from '../networks';\nimport { script as bscript, Payment, PaymentOpts, Stack, lazy } from 'bitcoinjs-lib';\n\nconst OPS = bscript.OPS;\nconst typef = require('typeforce');\n\nconst BITCOIN_NETWORK = networks.bitcoin;\n\nfunction stacksEqual(a: Buffer[], b: Buffer[]): boolean {\n  if (a.length !== b.length) return false;\n\n  return a.every((x, i) => {\n    return x.equals(b[i]);\n  });\n}\n\n// input: [signatures ...]\n// output: [pubKeys[0:n-1] OP_CHECKSIGVERIFY] pubKeys[n-1] OP_CHECKSIG\nexport function p2tr_ns(a: Payment, opts?: PaymentOpts): Payment {\n  if (!a.input && !a.output && !(a.pubkeys && a.pubkeys.length) && !a.signatures) {\n    throw new TypeError('Not enough data');\n  }\n  opts = Object.assign({ validate: true }, opts || {});\n\n  if (!opts.eccLib) throw new Error('ECC Library is required for p2tr_ns.');\n  const ecc = opts.eccLib;\n\n  function isAcceptableSignature(x: Buffer | number): boolean {\n    if (Buffer.isBuffer(x)) {\n      return (\n        // empty signatures may be represented as empty buffers\n        (opts && opts.allowIncomplete && x.length === 0) || bscript.isCanonicalSchnorrSignature(x)\n      );\n    }\n    return !!(opts && opts.allowIncomplete && x === OPS.OP_0);\n  }\n\n  typef(\n    {\n      network: typef.maybe(typef.Object),\n      output: typef.maybe(typef.Buffer),\n      pubkeys: typef.maybe(typef.arrayOf(ecc.isXOnlyPoint)),\n\n      signatures: typef.maybe(typef.arrayOf(isAcceptableSignature)),\n      input: typef.maybe(typef.Buffer),\n    },\n    a\n  );\n\n  const network = a.network || BITCOIN_NETWORK;\n  const o: Payment = { network };\n\n  const _chunks = lazy.value(() => {\n    if (!a.output) return;\n    return bscript.decompile(a.output) as Stack;\n  });\n\n  lazy.prop(o, 'output', () => {\n    if (!a.pubkeys) return;\n    return bscript.compile(\n      ([] as Stack).concat(\n        ...a.pubkeys.map((pk, i, pks) => [pk, i === pks.length - 1 ? OPS.OP_CHECKSIG : OPS.OP_CHECKSIGVERIFY])\n      )\n    );\n  });\n  lazy.prop(o, 'n', () => {\n    if (!o.pubkeys) return;\n    return o.pubkeys.length;\n  });\n  lazy.prop(o, 'pubkeys', () => {\n    const chunks = _chunks();\n    if (!chunks) return;\n    return chunks.filter((_, index) => index % 2 === 0) as Buffer[];\n  });\n  lazy.prop(o, 'signatures', () => {\n    if (!a.input) return;\n    return bscript.decompile(a.input)?.reverse();\n  });\n  lazy.prop(o, 'input', () => {\n    if (!a.signatures) return;\n    return bscript.compile([...a.signatures].reverse());\n  });\n  lazy.prop(o, 'witness', () => {\n    if (!o.input) return;\n    return [];\n  });\n  lazy.prop(o, 'name', () => {\n    if (!o.n) return;\n    return `p2tr_ns(${o.n})`;\n  });\n\n  // extended validation\n  if (opts.validate) {\n    const chunks = _chunks();\n    if (chunks) {\n      if (chunks[chunks.length - 1] !== OPS.OP_CHECKSIG) {\n        throw new TypeError('Output ends with unexpected opcode');\n      }\n      if (\n        chunks\n          .filter((_, index) => index % 2 === 1)\n          .slice(0, -1)\n          .some((op) => op !== OPS.OP_CHECKSIGVERIFY)\n      ) {\n        throw new TypeError('Output contains unexpected opcode');\n      }\n      if (o.n! > 16 || o.n !== chunks.length / 2) {\n        throw new TypeError('Output contains too many pubkeys');\n      }\n      if (o.pubkeys!.some((x) => !ecc.isXOnlyPoint(x))) {\n        throw new TypeError('Output contains invalid pubkey(s)');\n      }\n\n      if (a.pubkeys && !stacksEqual(a.pubkeys, o.pubkeys!)) {\n        throw new TypeError('Pubkeys mismatch');\n      }\n    }\n\n    if (a.pubkeys && a.pubkeys.length) {\n      o.n = a.pubkeys.length;\n    }\n\n    if (a.signatures && o.n) {\n      if (a.signatures.length < o.n) {\n        throw new TypeError('Not enough signatures provided');\n      }\n      if (a.signatures.length > o.n) {\n        throw new TypeError('Too many signatures provided');\n      }\n    }\n\n    if (a.input) {\n      if (!o.signatures!.every(isAcceptableSignature)) {\n        throw new TypeError('Input has invalid signature(s)');\n      }\n\n      if (a.signatures && !stacksEqual(a.signatures, o.signatures!)) {\n        throw new TypeError('Signature mismatch');\n      }\n      if (o.n !== o.signatures!.length) {\n        throw new TypeError(`Signature count mismatch (n: ${o.n}, signatures.length: ${o.signatures!.length}`);\n      }\n    }\n  }\n\n  return Object.assign(o, a);\n}\n"]}Выполнить команду
Для локальной разработки. Не используйте в интернете!