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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/@bitgo/sdk-coin-vet/dist/src/lib
Просмотр файла: utils.js
"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Utils = void 0;
const sdk_core_1 = require("@vechain/sdk-core");
const ethereumjs_abi_1 = __importDefault(require("ethereumjs-abi"));
const ethereumjs_util_1 = require("ethereumjs-util");
const sdk_core_2 = require("@bitgo/sdk-core");
const abstract_eth_1 = require("@bitgo/abstract-eth");
const constants_1 = require("./constants");
const keyPair_1 = require("./keyPair");
class Utils {
isValidAddress(address) {
return this.isValidHex(address, constants_1.VET_ADDRESS_LENGTH);
}
isValidBlockId(hash) {
return this.isValidHex(hash, constants_1.VET_BLOCK_ID_LENGTH);
}
isValidPrivateKey(key) {
try {
new keyPair_1.KeyPair({ prv: key });
return true;
}
catch (e) {
return false;
}
}
isValidPublicKey(key) {
try {
new keyPair_1.KeyPair({ pub: key });
return true;
}
catch (e) {
return false;
}
}
isValidSignature(signature) {
throw new Error('Method not implemented');
}
isValidTransactionId(txId) {
return this.isValidHex(txId, constants_1.VET_TRANSACTION_ID_LENGTH);
}
isValidHex(value, length) {
const regex = new RegExp(`^(0x|0X)[a-fA-F0-9]{${length}}$`);
return regex.test(value);
}
deserializeTransaction(serializedTransaction) {
const txBytes = sdk_core_1.HexUInt.of(serializedTransaction).bytes;
try {
return sdk_core_1.Transaction.decode(txBytes, false);
}
catch (err) {
if (err.message?.includes('Expected 9 items, but got 10')) {
// Likely signed, so retry with isSigned = true
return sdk_core_1.Transaction.decode(txBytes, true);
}
throw err;
}
}
getTransactionTypeFromClause(clauses) {
if (clauses[0].data === '0x') {
return sdk_core_2.TransactionType.Send;
}
else if (clauses[0].data.startsWith(abstract_eth_1.v4CreateForwarderMethodId)) {
return sdk_core_2.TransactionType.AddressInitialization;
}
else if (clauses[0].data.startsWith(abstract_eth_1.flushForwarderTokensMethodIdV4)) {
return sdk_core_2.TransactionType.FlushTokens;
}
else if (clauses[0].data.startsWith(constants_1.TRANSFER_TOKEN_METHOD_ID)) {
return sdk_core_2.TransactionType.SendToken;
}
else if (clauses[0].data.startsWith(constants_1.STAKING_METHOD_ID)) {
return sdk_core_2.TransactionType.ContractCall;
}
else if (clauses[0].data.startsWith(constants_1.EXIT_DELEGATION_METHOD_ID)) {
return sdk_core_2.TransactionType.StakingUnlock; // Using StakingUnlock for exit delegation
}
else if (clauses[0].data.startsWith(constants_1.BURN_NFT_METHOD_ID)) {
return sdk_core_2.TransactionType.StakingWithdraw; // Using StakingWithdraw for burn NFT
}
else if (clauses[0].data.startsWith(constants_1.TRANSFER_NFT_METHOD_ID)) {
return sdk_core_2.TransactionType.SendNFT;
}
else {
return sdk_core_2.TransactionType.SendToken;
}
}
getTransferTokenData(toAddress, amountWei) {
const methodName = 'transfer';
const types = ['address', 'uint256'];
const params = [toAddress, new ethereumjs_util_1.BN(amountWei)];
const method = ethereumjs_abi_1.default.methodID(methodName, types);
const args = ethereumjs_abi_1.default.rawEncode(types, params);
return (0, ethereumjs_util_1.addHexPrefix)(Buffer.concat([method, args]).toString('hex'));
}
getTransferNFTData(from, to, tokenId) {
const methodName = 'transferFrom';
const types = ['address', 'address', 'uint256'];
const params = [from, to, new ethereumjs_util_1.BN(tokenId)];
const method = ethereumjs_abi_1.default.methodID(methodName, types);
const args = ethereumjs_abi_1.default.rawEncode(types, params);
return (0, ethereumjs_util_1.addHexPrefix)(Buffer.concat([method, args]).toString('hex'));
}
/**
* Encodes staking transaction data using ethereumjs-abi
*
* @param {string} stakingAmount - The amount to stake in wei
* @returns {string} - The encoded transaction data
*/
getStakingData(stakingAmount) {
const methodName = 'stake';
const types = ['uint256'];
const params = [new ethereumjs_util_1.BN(stakingAmount)];
const method = ethereumjs_abi_1.default.methodID(methodName, types);
const args = ethereumjs_abi_1.default.rawEncode(types, params);
return (0, ethereumjs_util_1.addHexPrefix)(Buffer.concat([method, args]).toString('hex'));
}
decodeTransferTokenData(data) {
const [address, amount] = (0, abstract_eth_1.getRawDecoded)(['address', 'uint256'], (0, abstract_eth_1.getBufferedByteCode)(constants_1.TRANSFER_TOKEN_METHOD_ID, data));
const recipientAddress = (0, ethereumjs_util_1.addHexPrefix)(address.toString()).toLowerCase();
return {
address: recipientAddress,
amount: amount.toString(),
};
}
decodeTransferNFTData(data) {
const [from, to, tokenIdBN] = (0, abstract_eth_1.getRawDecoded)(['address', 'address', 'uint256'], (0, abstract_eth_1.getBufferedByteCode)(constants_1.TRANSFER_NFT_METHOD_ID, data));
const recipientAddress = (0, ethereumjs_util_1.addHexPrefix)(to.toString()).toLowerCase();
const recipient = {
address: recipientAddress,
amount: '1',
};
const sender = (0, ethereumjs_util_1.addHexPrefix)(from.toString()).toLowerCase();
const tokenId = tokenIdBN.toString();
return {
recipients: [recipient],
sender,
tokenId,
};
}
}
exports.Utils = Utils;
const utils = new Utils();
exports.default = utils;
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{ HexUInt, Transaction, TransactionClause } from '@vechain/sdk-core';\nimport EthereumAbi from 'ethereumjs-abi';\nimport { addHexPrefix, BN } from 'ethereumjs-util';\nimport { BaseUtils, TransactionRecipient, TransactionType } from '@bitgo/sdk-core';\nimport {\n  v4CreateForwarderMethodId,\n  flushForwarderTokensMethodIdV4,\n  getRawDecoded,\n  getBufferedByteCode,\n} from '@bitgo/abstract-eth';\nimport {\n  TRANSFER_TOKEN_METHOD_ID,\n  STAKING_METHOD_ID,\n  EXIT_DELEGATION_METHOD_ID,\n  BURN_NFT_METHOD_ID,\n  VET_ADDRESS_LENGTH,\n  VET_BLOCK_ID_LENGTH,\n  VET_TRANSACTION_ID_LENGTH,\n  TRANSFER_NFT_METHOD_ID,\n} from './constants';\nimport { KeyPair } from './keyPair';\n\nexport class Utils implements BaseUtils {\n  isValidAddress(address: string): boolean {\n    return this.isValidHex(address, VET_ADDRESS_LENGTH);\n  }\n\n  isValidBlockId(hash: string): boolean {\n    return this.isValidHex(hash, VET_BLOCK_ID_LENGTH);\n  }\n\n  isValidPrivateKey(key: string): boolean {\n    try {\n      new KeyPair({ prv: key });\n      return true;\n    } catch (e) {\n      return false;\n    }\n  }\n\n  isValidPublicKey(key: string): boolean {\n    try {\n      new KeyPair({ pub: key });\n      return true;\n    } catch (e) {\n      return false;\n    }\n  }\n\n  isValidSignature(signature: string): boolean {\n    throw new Error('Method not implemented');\n  }\n\n  isValidTransactionId(txId: string): boolean {\n    return this.isValidHex(txId, VET_TRANSACTION_ID_LENGTH);\n  }\n\n  isValidHex(value: string, length: number): boolean {\n    const regex = new RegExp(`^(0x|0X)[a-fA-F0-9]{${length}}$`);\n    return regex.test(value);\n  }\n\n  deserializeTransaction(serializedTransaction: string): Transaction {\n    const txBytes = HexUInt.of(serializedTransaction).bytes;\n    try {\n      return Transaction.decode(txBytes, false);\n    } catch (err) {\n      if (err.message?.includes('Expected 9 items, but got 10')) {\n        // Likely signed, so retry with isSigned = true\n        return Transaction.decode(txBytes, true);\n      }\n      throw err;\n    }\n  }\n\n  getTransactionTypeFromClause(clauses: TransactionClause[]): TransactionType {\n    if (clauses[0].data === '0x') {\n      return TransactionType.Send;\n    } else if (clauses[0].data.startsWith(v4CreateForwarderMethodId)) {\n      return TransactionType.AddressInitialization;\n    } else if (clauses[0].data.startsWith(flushForwarderTokensMethodIdV4)) {\n      return TransactionType.FlushTokens;\n    } else if (clauses[0].data.startsWith(TRANSFER_TOKEN_METHOD_ID)) {\n      return TransactionType.SendToken;\n    } else if (clauses[0].data.startsWith(STAKING_METHOD_ID)) {\n      return TransactionType.ContractCall;\n    } else if (clauses[0].data.startsWith(EXIT_DELEGATION_METHOD_ID)) {\n      return TransactionType.StakingUnlock; // Using StakingUnlock for exit delegation\n    } else if (clauses[0].data.startsWith(BURN_NFT_METHOD_ID)) {\n      return TransactionType.StakingWithdraw; // Using StakingWithdraw for burn NFT\n    } else if (clauses[0].data.startsWith(TRANSFER_NFT_METHOD_ID)) {\n      return TransactionType.SendNFT;\n    } else {\n      return TransactionType.SendToken;\n    }\n  }\n\n  getTransferTokenData(toAddress: string, amountWei: string): string {\n    const methodName = 'transfer';\n    const types = ['address', 'uint256'];\n    const params = [toAddress, new BN(amountWei)];\n\n    const method = EthereumAbi.methodID(methodName, types);\n    const args = EthereumAbi.rawEncode(types, params);\n\n    return addHexPrefix(Buffer.concat([method, args]).toString('hex'));\n  }\n\n  getTransferNFTData(from: string, to: string, tokenId: string): string {\n    const methodName = 'transferFrom';\n    const types = ['address', 'address', 'uint256'];\n    const params = [from, to, new BN(tokenId)];\n\n    const method = EthereumAbi.methodID(methodName, types);\n    const args = EthereumAbi.rawEncode(types, params);\n\n    return addHexPrefix(Buffer.concat([method, args]).toString('hex'));\n  }\n\n  /**\n   * Encodes staking transaction data using ethereumjs-abi\n   *\n   * @param {string} stakingAmount - The amount to stake in wei\n   * @returns {string} - The encoded transaction data\n   */\n  getStakingData(stakingAmount: string): string {\n    const methodName = 'stake';\n    const types = ['uint256'];\n    const params = [new BN(stakingAmount)];\n\n    const method = EthereumAbi.methodID(methodName, types);\n    const args = EthereumAbi.rawEncode(types, params);\n\n    return addHexPrefix(Buffer.concat([method, args]).toString('hex'));\n  }\n\n  decodeTransferTokenData(data: string): TransactionRecipient {\n    const [address, amount] = getRawDecoded(\n      ['address', 'uint256'],\n      getBufferedByteCode(TRANSFER_TOKEN_METHOD_ID, data)\n    );\n    const recipientAddress = addHexPrefix(address.toString()).toLowerCase();\n    return {\n      address: recipientAddress,\n      amount: amount.toString(),\n    };\n  }\n\n  decodeTransferNFTData(data: string): {\n    recipients: TransactionRecipient[];\n    sender: string;\n    tokenId: string;\n  } {\n    const [from, to, tokenIdBN] = getRawDecoded(\n      ['address', 'address', 'uint256'],\n      getBufferedByteCode(TRANSFER_NFT_METHOD_ID, data)\n    );\n    const recipientAddress = addHexPrefix(to.toString()).toLowerCase();\n    const recipient: TransactionRecipient = {\n      address: recipientAddress,\n      amount: '1',\n    };\n    const sender = addHexPrefix(from.toString()).toLowerCase();\n    const tokenId = tokenIdBN.toString();\n    return {\n      recipients: [recipient],\n      sender,\n      tokenId,\n    };\n  }\n}\n\nconst utils = new Utils();\n\nexport default utils;\n"]}Выполнить команду
Для локальной разработки. Не используйте в интернете!