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Текущая директория: /opt/BitGoJS/modules/sdk-coin-avaxc/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.sign = sign;
exports.getCommon = getCommon;
exports.isValidEthAddress = isValidEthAddress;
exports.isValidEthPrivateKey = isValidEthPrivateKey;
exports.isValidEthPublicKey = isValidEthPublicKey;
exports.getToken = getToken;
const assert_1 = __importDefault(require("assert"));
const statics_1 = require("@bitgo/statics");
const ethereumjs_util_1 = require("ethereumjs-util");
const sdk_coin_eth_1 = require("@bitgo/sdk-coin-eth");
const sdk_core_1 = require("@bitgo/sdk-core");
const resources_1 = require("./resources");
/**
* Signs the transaction using the appropriate algorithm
*
* @param {TxData} transactionData the transaction data to sign
* @param {KeyPair} keyPair the signer's keypair
* @returns {string} the transaction signed and encoded
*/
async function sign(transactionData, keyPair) {
return sdk_coin_eth_1.Utils.signInternal(transactionData, keyPair, resources_1.testnetCommon);
}
const commons = new Map([
[statics_1.NetworkType.MAINNET, resources_1.mainnetCommon],
[statics_1.NetworkType.TESTNET, resources_1.testnetCommon],
]);
/**
* @param {NetworkType} network either mainnet or testnet
* @returns {EthereumCommon} Ethereum common configuration object
*/
function getCommon(network) {
const common = commons.get(network);
if (!common) {
throw new sdk_core_1.InvalidTransactionError('Missing network common configuration');
}
return common;
}
/**
* Returns whether or not the string is a valid C-Chain address in Eth format
*
* @param {string} address - the address string
* @returns {boolean} - the validation result
*/
function isValidEthAddress(address) {
return (0, ethereumjs_util_1.isValidAddress)(address);
}
/**
* Returns whether or not the string is a valid C-Chain private key in Eth format
*
* @param {string} privateKey - the string formatted key
* @returns {boolean} - the validation result
*/
function isValidEthPrivateKey(privateKey) {
if (privateKey.length !== 64) {
return false;
}
const privateKeyBuffer = Buffer.from(privateKey, 'hex');
if (privateKeyBuffer.length !== 32) {
return false;
}
return (0, ethereumjs_util_1.isValidPrivate)(privateKeyBuffer);
}
/**
* Returns whether or not the string is a valid C-Chain public key in Eth format
*
* @param {string} publicKey - the uncompressed public key string
* @returns {boolean} - the validation result
*/
function isValidEthPublicKey(publicKey) {
// Uncompressed Eth Public Keys have a 04 prefix that needs to be removed in order to validate it.
const publicKeyWithoutPrefix = publicKey.slice(2);
const publicKeyBuffer = Buffer.from(publicKeyWithoutPrefix, 'hex');
return (0, ethereumjs_util_1.isValidPublic)(publicKeyBuffer);
}
function getToken(tokenContractAddress, network) {
const tokens = statics_1.coins.filter((coin) => {
if (coin instanceof statics_1.AvaxERC20Token) {
return (coin.network.type === network.type && coin.contractAddress.toLowerCase() === tokenContractAddress.toLowerCase());
}
return false;
});
// if length of tokens is 1, return the first, else return undefined
// Can't directly index into tokens, or call `length`, so we use map to get an array
const tokensArray = tokens.map((token) => token);
if (tokensArray.length >= 1) {
// there should never be two tokens with the same contract address, so we assert that here
(0, assert_1.default)(tokensArray.length === 1, 'Found more than 1 token: ' + JSON.stringify(tokensArray));
return tokensArray[0];
}
return undefined;
}
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