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@coolwallet/btc

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"use strict"; function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } Object.defineProperty(exports, "__esModule", { value: true }); exports.toReverseUintBuffer = toReverseUintBuffer; exports.addressToOutScript = addressToOutScript; exports.pubkeyToAddressAndOutScript = pubkeyToAddressAndOutScript; exports.createUnsignedTransactions = createUnsignedTransactions; exports.composeFinalTransaction = composeFinalTransaction; var _bn = _interopRequireDefault(require("bn.js")); var ecc = _interopRequireWildcard(require("@bitcoin-js/tiny-secp256k1-asmjs")); var _core = require("@coolwallet/core"); var bitcoin = _interopRequireWildcard(require("bitcoinjs-lib")); var varuint = _interopRequireWildcard(require("./varuintUtil")); var cryptoUtil = _interopRequireWildcard(require("./cryptoUtil")); var _types = require("../config/types"); function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); } function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; } function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; } bitcoin.initEccLib(ecc); function toReverseUintBuffer(numberOrString, byteSize) { var bn = new _bn["default"](numberOrString); var buf = Buffer.from(bn.toArray()).reverse(); return Buffer.alloc(byteSize).fill(buf, 0, buf.length); } function toXOnly(pubKey) { return pubKey.length === 32 ? pubKey : pubKey.slice(1, 33); } function addressToOutScript(address) { var scriptType; var payment; var scriptPubKey; if (address.startsWith('1')) { scriptType = _types.ScriptType.P2PKH; payment = bitcoin.payments.p2pkh({ address: address }); scriptPubKey = payment.hash; } else if (address.startsWith('3')) { scriptType = _types.ScriptType.P2SH_P2WPKH; payment = bitcoin.payments.p2sh({ address: address }); scriptPubKey = payment.hash; } else if (address.startsWith('bc1q') && address.length === 42) { scriptType = _types.ScriptType.P2WPKH; payment = bitcoin.payments.p2wpkh({ address: address }); scriptPubKey = payment.hash; } else if (address.startsWith('bc1q') && address.length === 62) { scriptType = _types.ScriptType.P2WSH; payment = bitcoin.payments.p2wsh({ address: address }); scriptPubKey = payment.hash; } else if (address.startsWith('bc1p')) { scriptType = _types.ScriptType.P2TR; payment = bitcoin.payments.p2tr({ address: address }); scriptPubKey = payment.pubkey; } else { throw new _core.error.SDKError(addressToOutScript.name, "Unsupport Address : ".concat(address)); } if (!payment.output) throw new _core.error.SDKError(addressToOutScript.name, "No OutScript for Address : ".concat(address)); var outScript = payment.output; var outHash = payment.hash; return { scriptType: scriptType, outScript: outScript, outHash: outHash, scriptPubKey: scriptPubKey }; } function pubkeyToAddressAndOutScript(pubkey, scriptType) { var payment; switch (scriptType) { case _types.ScriptType.P2PKH: payment = bitcoin.payments.p2pkh({ pubkey: pubkey }); break; case _types.ScriptType.P2SH_P2WPKH: payment = bitcoin.payments.p2sh({ redeem: bitcoin.payments.p2wpkh({ pubkey: pubkey }) }); break; case _types.ScriptType.P2WPKH: payment = bitcoin.payments.p2wpkh({ pubkey: pubkey }); break; case _types.ScriptType.P2TR: payment = bitcoin.payments.p2tr({ pubkey: toXOnly(pubkey) }); break; default: throw new _core.error.SDKError(pubkeyToAddressAndOutScript.name, "Unsupport ScriptType '".concat(scriptType, "'")); } if (!payment.address) throw new _core.error.SDKError(pubkeyToAddressAndOutScript.name, "No Address for ScriptType '".concat(scriptType, "'")); if (!payment.output) throw new _core.error.SDKError(pubkeyToAddressAndOutScript.name, "No OutScript for ScriptType '".concat(scriptType, "'")); return { address: payment.address, outScript: payment.output }; } function createUnsignedTransactions(redeemScriptType, inputs, output, change) { var version = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1; var lockTime = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 0; var versionBuf = toReverseUintBuffer(version, 4); var lockTimeBuf = toReverseUintBuffer(lockTime, 4); var inputsCount = varuint.encode(inputs.length); var preparedInputs = inputs.map(function (_ref) { var preTxHash = _ref.preTxHash, preIndex = _ref.preIndex, preValue = _ref.preValue, sequence = _ref.sequence, addressIndex = _ref.addressIndex, pubkeyBuf = _ref.pubkeyBuf, purposeIndex = _ref.purposeIndex; if (!pubkeyBuf) { throw new _core.error.SDKError(createUnsignedTransactions.name, 'Public Key not exists !!'); } var preOutPointBuf = Buffer.concat([Buffer.from(preTxHash, 'hex').reverse(), toReverseUintBuffer(preIndex, 4)]); var preValueBuf = toReverseUintBuffer(preValue, 8); var sequenceBuf = sequence ? toReverseUintBuffer(sequence, 4) : Buffer.from('ffffffff', 'hex'); return { addressIndex: addressIndex, pubkeyBuf: pubkeyBuf, preOutPointBuf: preOutPointBuf, preValueBuf: preValueBuf, sequenceBuf: sequenceBuf, purposeIndex: purposeIndex }; }); var _addressToOutScript = addressToOutScript(output.address), outputType = _addressToOutScript.scriptType, outputScript = _addressToOutScript.outScript; var outputScriptLen = varuint.encode(outputScript.length); var outputArray = [Buffer.concat([toReverseUintBuffer(output.value, 8), outputScriptLen, outputScript])]; if (change) { if (!change.pubkeyBuf) throw new _core.error.SDKError(createUnsignedTransactions.name, 'Public Key not exists !!'); var changeValue = toReverseUintBuffer(change.value, 8); var _pubkeyToAddressAndOu = pubkeyToAddressAndOutScript(change.pubkeyBuf, redeemScriptType), outScript = _pubkeyToAddressAndOu.outScript; var outScriptLen = varuint.encode(outScript.length); outputArray.push(Buffer.concat([changeValue, outScriptLen, outScript])); } var outputsCountNum = 1; outputsCountNum = change ? outputsCountNum + 1 : outputsCountNum; var outputsCount = varuint.encode(outputsCountNum); var outputsBuf = Buffer.concat(outputArray); var hashPrevouts = cryptoUtil.doubleSha256(Buffer.concat(preparedInputs.map(function (input) { return input.preOutPointBuf; }))); var hashSequence = cryptoUtil.doubleSha256(Buffer.concat(preparedInputs.map(function (input) { return input.sequenceBuf; }))); var hashOutputs = cryptoUtil.doubleSha256(outputsBuf); var unsignedTransactions = preparedInputs.map(function (_ref2) { var pubkeyBuf = _ref2.pubkeyBuf, preOutPointBuf = _ref2.preOutPointBuf, preValueBuf = _ref2.preValueBuf, sequenceBuf = _ref2.sequenceBuf; if (redeemScriptType === _types.ScriptType.P2PKH) { var _pubkeyToAddressAndOu2 = pubkeyToAddressAndOutScript(pubkeyBuf, redeemScriptType), _outScript = _pubkeyToAddressAndOu2.outScript; var _outScriptLen = varuint.encode(_outScript.length); return Buffer.concat([versionBuf, varuint.encode(1), preOutPointBuf, _outScriptLen, // preOutScriptBuf _outScript, // preOutScriptBuf sequenceBuf, outputsCount, outputsBuf, lockTimeBuf, Buffer.from('81000000', 'hex')]); } else { return Buffer.concat([versionBuf, hashPrevouts, hashSequence, preOutPointBuf, Buffer.from("1976a914".concat(cryptoUtil.hash160(pubkeyBuf).toString('hex'), "88ac"), 'hex'), // ScriptCode preValueBuf, sequenceBuf, hashOutputs, lockTimeBuf, Buffer.from('01000000', 'hex')]); } }); return { preparedData: { versionBuf: versionBuf, inputsCount: inputsCount, preparedInputs: preparedInputs, outputType: outputType, outputsCount: outputsCount, outputsBuf: outputsBuf, lockTimeBuf: lockTimeBuf }, unsignedTransactions: unsignedTransactions }; } function composeFinalTransaction(redeemScriptType, preparedData, signatures) { var versionBuf = preparedData.versionBuf, inputsCount = preparedData.inputsCount, preparedInputs = preparedData.preparedInputs, outputsCount = preparedData.outputsCount, outputsBuf = preparedData.outputsBuf, lockTimeBuf = preparedData.lockTimeBuf; if (redeemScriptType !== _types.ScriptType.P2PKH && redeemScriptType !== _types.ScriptType.P2WPKH && redeemScriptType !== _types.ScriptType.P2SH_P2WPKH && redeemScriptType !== _types.ScriptType.P2TR) { throw new _core.error.SDKError(composeFinalTransaction.name, "Unsupport ScriptType '".concat(redeemScriptType, "'")); } if (redeemScriptType === _types.ScriptType.P2PKH) { var inputsBuf = Buffer.concat(preparedInputs.map(function (data, i) { var pubkeyBuf = data.pubkeyBuf, preOutPointBuf = data.preOutPointBuf, sequenceBuf = data.sequenceBuf; var signature = signatures[i]; var inScript = Buffer.concat([Buffer.from((signature.length + 1).toString(16), 'hex'), signature, Buffer.from('81', 'hex'), Buffer.from(pubkeyBuf.length.toString(16), 'hex'), pubkeyBuf]); return Buffer.concat([preOutPointBuf, varuint.encode(inScript.length), inScript, sequenceBuf]); })); return Buffer.concat([versionBuf, inputsCount, inputsBuf, outputsCount, outputsBuf, lockTimeBuf]); } else { var flagBuf = Buffer.from('0001', 'hex'); var segwitBuf; if (redeemScriptType === _types.ScriptType.P2TR) { segwitBuf = Buffer.concat(preparedInputs.map(function (_, i) { var signature = signatures[i]; var segwitScript = Buffer.concat([Buffer.from(signature.length.toString(16), 'hex'), signature]); return Buffer.concat([Buffer.from('01', 'hex'), segwitScript]); })); } else { segwitBuf = Buffer.concat(preparedInputs.map(function (_ref3, i) { var pubkeyBuf = _ref3.pubkeyBuf; var signature = signatures[i]; var segwitScript = Buffer.concat([Buffer.from((signature.length + 1).toString(16), 'hex'), signature, Buffer.from('01', 'hex'), Buffer.from(pubkeyBuf.length.toString(16), 'hex'), pubkeyBuf]); return Buffer.concat([Buffer.from('02', 'hex'), segwitScript]); })); } var _inputsBuf = Buffer.concat(preparedInputs.map(function (_ref4) { var pubkeyBuf = _ref4.pubkeyBuf, preOutPointBuf = _ref4.preOutPointBuf, sequenceBuf = _ref4.sequenceBuf; if (redeemScriptType === _types.ScriptType.P2SH_P2WPKH) { var _pubkeyToAddressAndOu3 = pubkeyToAddressAndOutScript(pubkeyBuf, _types.ScriptType.P2WPKH), outScript = _pubkeyToAddressAndOu3.outScript; var inScript = Buffer.concat([Buffer.from(outScript.length.toString(16), 'hex'), outScript]); return Buffer.concat([preOutPointBuf, varuint.encode(inScript.length), inScript, sequenceBuf]); } else { return Buffer.concat([preOutPointBuf, Buffer.from('00', 'hex'), sequenceBuf]); } })); return Buffer.concat([versionBuf, flagBuf, inputsCount, _inputsBuf, outputsCount, outputsBuf, segwitBuf, lockTimeBuf]); } } //# 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BN from 'bn.js';\nimport * as ecc from '@bitcoin-js/tiny-secp256k1-asmjs';\nimport { error } from '@coolwallet/core';\nimport * as bitcoin from 'bitcoinjs-lib';\nimport * as varuint from './varuintUtil';\nimport * as cryptoUtil from './cryptoUtil';\nimport { ScriptType, Input, Output, Change, PreparedData } from '../config/types';\n\nbitcoin.initEccLib(ecc);\n\nexport function toReverseUintBuffer(numberOrString: number | string, byteSize: number): Buffer {\n  const bn = new BN(numberOrString);\n  const buf = Buffer.from(bn.toArray()).reverse();\n  return Buffer.alloc(byteSize).fill(buf, 0, buf.length);\n}\n\nfunction toXOnly(pubKey: Buffer): Buffer {\n  return pubKey.length === 32 ? pubKey : pubKey.slice(1, 33);\n}\n\nexport function addressToOutScript(address: string): {\n  scriptType: ScriptType;\n  outScript: Buffer;\n  outHash?: Buffer;\n  scriptPubKey?: Buffer;\n} {\n  let scriptType;\n  let payment;\n  let scriptPubKey;\n  if (address.startsWith('1')) {\n    scriptType = ScriptType.P2PKH;\n    payment = bitcoin.payments.p2pkh({ address });\n    scriptPubKey = payment.hash;\n  } else if (address.startsWith('3')) {\n    scriptType = ScriptType.P2SH_P2WPKH;\n    payment = bitcoin.payments.p2sh({ address });\n    scriptPubKey = payment.hash;\n  } else if (address.startsWith('bc1q') && address.length === 42) {\n    scriptType = ScriptType.P2WPKH;\n    payment = bitcoin.payments.p2wpkh({ address });\n    scriptPubKey = payment.hash;\n  } else if (address.startsWith('bc1q') && address.length === 62) {\n    scriptType = ScriptType.P2WSH;\n    payment = bitcoin.payments.p2wsh({ address });\n    scriptPubKey = payment.hash;\n  } else if (address.startsWith('bc1p')) {\n    scriptType = ScriptType.P2TR;\n    payment = bitcoin.payments.p2tr({ address });\n    scriptPubKey = payment.pubkey;\n  } else {\n    throw new error.SDKError(addressToOutScript.name, `Unsupport Address : ${address}`);\n  }\n  if (!payment.output) throw new error.SDKError(addressToOutScript.name, `No OutScript for Address : ${address}`);\n  const outScript = payment.output;\n  const outHash = payment.hash;\n  return { scriptType, outScript, outHash, scriptPubKey };\n}\n\nexport function pubkeyToAddressAndOutScript(\n  pubkey: Buffer,\n  scriptType: ScriptType\n): { address: string; outScript: Buffer } {\n  let payment;\n  switch (scriptType) {\n    case ScriptType.P2PKH:\n      payment = bitcoin.payments.p2pkh({ pubkey });\n      break;\n    case ScriptType.P2SH_P2WPKH:\n      payment = bitcoin.payments.p2sh({\n        redeem: bitcoin.payments.p2wpkh({ pubkey }),\n      });\n      break;\n    case ScriptType.P2WPKH:\n      payment = bitcoin.payments.p2wpkh({ pubkey });\n      break;\n    case ScriptType.P2TR:\n      payment = bitcoin.payments.p2tr({ pubkey: toXOnly(pubkey) });\n      break;\n    default:\n      throw new error.SDKError(pubkeyToAddressAndOutScript.name, `Unsupport ScriptType '${scriptType}'`);\n  }\n  if (!payment.address)\n    throw new error.SDKError(pubkeyToAddressAndOutScript.name, `No Address for ScriptType '${scriptType}'`);\n  if (!payment.output)\n    throw new error.SDKError(pubkeyToAddressAndOutScript.name, `No OutScript for ScriptType '${scriptType}'`);\n  return { address: payment.address, outScript: payment.output };\n}\n\nexport function createUnsignedTransactions(\n  redeemScriptType: ScriptType,\n  inputs: Array<Input>,\n  output: Output,\n  change?: Change | null,\n  version = 1,\n  lockTime = 0\n): {\n  preparedData: PreparedData;\n  unsignedTransactions: Array<Buffer>;\n} {\n  const versionBuf = toReverseUintBuffer(version, 4);\n  const lockTimeBuf = toReverseUintBuffer(lockTime, 4);\n  const inputsCount = varuint.encode(inputs.length);\n  const preparedInputs = inputs.map(\n    ({ preTxHash, preIndex, preValue, sequence, addressIndex, pubkeyBuf, purposeIndex }) => {\n      if (!pubkeyBuf) {\n        throw new error.SDKError(createUnsignedTransactions.name, 'Public Key not exists !!');\n      }\n      const preOutPointBuf = Buffer.concat([Buffer.from(preTxHash, 'hex').reverse(), toReverseUintBuffer(preIndex, 4)]);\n\n      const preValueBuf = toReverseUintBuffer(preValue, 8);\n      const sequenceBuf = sequence ? toReverseUintBuffer(sequence, 4) : Buffer.from('ffffffff', 'hex');\n\n      return {\n        addressIndex,\n        pubkeyBuf,\n        preOutPointBuf,\n        preValueBuf,\n        sequenceBuf,\n        purposeIndex,\n      };\n    }\n  );\n\n  const { scriptType: outputType, outScript: outputScript } = addressToOutScript(output.address);\n  const outputScriptLen = varuint.encode(outputScript.length);\n\n  const outputArray = [Buffer.concat([toReverseUintBuffer(output.value, 8), outputScriptLen, outputScript])];\n  if (change) {\n    if (!change.pubkeyBuf) throw new error.SDKError(createUnsignedTransactions.name, 'Public Key not exists !!');\n    const changeValue = toReverseUintBuffer(change.value, 8);\n    const { outScript } = pubkeyToAddressAndOutScript(change.pubkeyBuf, redeemScriptType);\n    const outScriptLen = varuint.encode(outScript.length);\n    outputArray.push(Buffer.concat([changeValue, outScriptLen, outScript]));\n  }\n\n  let outputsCountNum = 1;\n  outputsCountNum = change ? outputsCountNum + 1 : outputsCountNum;\n  const outputsCount = varuint.encode(outputsCountNum);\n  const outputsBuf = Buffer.concat(outputArray);\n\n  const hashPrevouts = cryptoUtil.doubleSha256(Buffer.concat(preparedInputs.map((input) => input.preOutPointBuf)));\n  const hashSequence = cryptoUtil.doubleSha256(Buffer.concat(preparedInputs.map((input) => input.sequenceBuf)));\n  const hashOutputs = cryptoUtil.doubleSha256(outputsBuf);\n\n  const unsignedTransactions = preparedInputs.map(({ pubkeyBuf, preOutPointBuf, preValueBuf, sequenceBuf }) => {\n    if (redeemScriptType === ScriptType.P2PKH) {\n      const { outScript } = pubkeyToAddressAndOutScript(pubkeyBuf, redeemScriptType);\n      const outScriptLen = varuint.encode(outScript.length);\n      return Buffer.concat([\n        versionBuf,\n        varuint.encode(1),\n        preOutPointBuf,\n        outScriptLen, // preOutScriptBuf\n        outScript, // preOutScriptBuf\n        sequenceBuf,\n        outputsCount,\n        outputsBuf,\n        lockTimeBuf,\n        Buffer.from('81000000', 'hex'),\n      ]);\n    } else {\n      return Buffer.concat([\n        versionBuf,\n        hashPrevouts,\n        hashSequence,\n        preOutPointBuf,\n        Buffer.from(`1976a914${cryptoUtil.hash160(pubkeyBuf).toString('hex')}88ac`, 'hex'), // ScriptCode\n        preValueBuf,\n        sequenceBuf,\n        hashOutputs,\n        lockTimeBuf,\n        Buffer.from('01000000', 'hex'),\n      ]);\n    }\n  });\n\n  return {\n    preparedData: {\n      versionBuf,\n      inputsCount,\n      preparedInputs,\n      outputType,\n      outputsCount,\n      outputsBuf,\n      lockTimeBuf,\n    },\n    unsignedTransactions,\n  };\n}\n\nexport function composeFinalTransaction(\n  redeemScriptType: ScriptType,\n  preparedData: PreparedData,\n  signatures: Array<Buffer>\n): Buffer {\n  const { versionBuf, inputsCount, preparedInputs, outputsCount, outputsBuf, lockTimeBuf } = preparedData;\n\n  if (\n    redeemScriptType !== ScriptType.P2PKH &&\n    redeemScriptType !== ScriptType.P2WPKH &&\n    redeemScriptType !== ScriptType.P2SH_P2WPKH &&\n    redeemScriptType !== ScriptType.P2TR\n  ) {\n    throw new error.SDKError(composeFinalTransaction.name, `Unsupport ScriptType '${redeemScriptType}'`);\n  }\n\n  if (redeemScriptType === ScriptType.P2PKH) {\n    const inputsBuf = Buffer.concat(\n      preparedInputs.map((data, i) => {\n        const { pubkeyBuf, preOutPointBuf, sequenceBuf } = data;\n        const signature = signatures[i];\n        const inScript = Buffer.concat([\n          Buffer.from((signature.length + 1).toString(16), 'hex'),\n          signature,\n          Buffer.from('81', 'hex'),\n          Buffer.from(pubkeyBuf.length.toString(16), 'hex'),\n          pubkeyBuf,\n        ]);\n        return Buffer.concat([preOutPointBuf, varuint.encode(inScript.length), inScript, sequenceBuf]);\n      })\n    );\n    return Buffer.concat([versionBuf, inputsCount, inputsBuf, outputsCount, outputsBuf, lockTimeBuf]);\n  } else {\n    const flagBuf = Buffer.from('0001', 'hex');\n    let segwitBuf;\n    if (redeemScriptType === ScriptType.P2TR) {\n      segwitBuf = Buffer.concat(\n        preparedInputs.map((_, i) => {\n          const signature = signatures[i];\n          const segwitScript = Buffer.concat([Buffer.from(signature.length.toString(16), 'hex'), signature]);\n          return Buffer.concat([Buffer.from('01', 'hex'), segwitScript]);\n        })\n      );\n    } else {\n      segwitBuf = Buffer.concat(\n        preparedInputs.map(({ pubkeyBuf }, i) => {\n          const signature = signatures[i];\n          const segwitScript = Buffer.concat([\n            Buffer.from((signature.length + 1).toString(16), 'hex'),\n            signature,\n            Buffer.from('01', 'hex'),\n            Buffer.from(pubkeyBuf.length.toString(16), 'hex'),\n            pubkeyBuf,\n          ]);\n          return Buffer.concat([Buffer.from('02', 'hex'), segwitScript]);\n        })\n      );\n    }\n\n    const inputsBuf = Buffer.concat(\n      preparedInputs.map(({ pubkeyBuf, preOutPointBuf, sequenceBuf }) => {\n        if (redeemScriptType === ScriptType.P2SH_P2WPKH) {\n          const { outScript } = pubkeyToAddressAndOutScript(pubkeyBuf, ScriptType.P2WPKH);\n          const inScript = Buffer.concat([Buffer.from(outScript.length.toString(16), 'hex'), outScript]);\n          return Buffer.concat([preOutPointBuf, varuint.encode(inScript.length), inScript, sequenceBuf]);\n        } else {\n          return Buffer.concat([preOutPointBuf, Buffer.from('00', 'hex'), sequenceBuf]);\n        }\n      })\n    );\n\n    return Buffer.concat([\n      versionBuf,\n      flagBuf,\n      inputsCount,\n      inputsBuf,\n      outputsCount,\n      outputsBuf,\n      segwitBuf,\n      lockTimeBuf,\n    ]);\n  }\n}\n"]}