@bcpros/crypto-wallet-core
Version:
A multi-currency support library for address derivation, private key creation, and transaction creation
79 lines • 3.65 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ERC20TxProvider = void 0;
var web3_1 = __importDefault(require("web3"));
var eth_1 = require("../eth");
var abi_1 = require("./abi");
var toBN = web3_1.default.utils.toBN;
var ERC20TxProvider = (function (_super) {
__extends(ERC20TxProvider, _super);
function ERC20TxProvider() {
return _super !== null && _super.apply(this, arguments) || this;
}
ERC20TxProvider.prototype.getERC20Contract = function (tokenContractAddress) {
var web3 = new web3_1.default();
var contract = new web3.eth.Contract(abi_1.ERC20Abi, tokenContractAddress);
return contract;
};
ERC20TxProvider.prototype.create = function (params) {
var tokenAddress = params.tokenAddress, contractAddress = params.contractAddress;
var data = this.encodeData(params);
var recipients = [{ address: contractAddress || tokenAddress, amount: '0' }];
var newParams = __assign(__assign({}, params), { recipients: recipients, data: data });
return _super.prototype.create.call(this, newParams);
};
ERC20TxProvider.prototype.encodeData = function (params) {
var tokenAddress = params.tokenAddress, recipients = params.recipients, contractAddress = params.contractAddress;
if (recipients.length > 1) {
var addresses = [];
var amounts = [];
for (var _i = 0, recipients_1 = recipients; _i < recipients_1.length; _i++) {
var recipient = recipients_1[_i];
addresses.push(recipient.address);
amounts.push(toBN(BigInt(recipient.amount).toString()));
}
var multisendContract = this.getMultiSendContract(contractAddress);
return multisendContract.methods.sendErc20(tokenAddress, addresses, amounts).encodeABI();
}
else {
var _a = params.recipients[0], address = _a.address, amount = _a.amount;
var amountBN = toBN(BigInt(amount).toString());
var data = this.getERC20Contract(tokenAddress)
.methods.transfer(address, amountBN)
.encodeABI();
return data;
}
};
return ERC20TxProvider;
}(eth_1.ETHTxProvider));
exports.ERC20TxProvider = ERC20TxProvider;
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