moonwalkerswap-v1-sdk
Version:
An SDK for building applications on top of the Moonwalkerswap V1 protocol
128 lines • 7.45 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
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if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
var ethers_1 = require("ethers");
var types_1 = require("../types");
var constants_1 = require("../constants");
var _utils_1 = require("../_utils");
function getContract(address, ABI, provider) {
return new ethers_1.ethers.Contract(address, ABI, provider);
}
function getChainIdAndProvider(chainIdOrProvider) {
return __awaiter(this, void 0, void 0, function () {
var provider, chainId;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!types_1.isChainId(chainIdOrProvider)) return [3, 1];
return [2, {
chainId: chainIdOrProvider,
provider: ethers_1.ethers.getDefaultProvider(constants_1._CHAIN_ID_NAME[chainIdOrProvider])
}];
case 1:
provider = types_1.isLowLevelProvider(chainIdOrProvider)
? new ethers_1.ethers.providers.Web3Provider(chainIdOrProvider)
: chainIdOrProvider;
return [4, provider.getNetwork()];
case 2:
chainId = (_a.sent()).chainId;
if (!(chainId in constants_1.SUPPORTED_CHAIN_ID)) {
throw Error("chainId " + chainId + " is not valid.");
}
return [2, {
chainId: chainId,
provider: provider
}];
}
});
});
}
function getToken(tokenAddress, chainIdAndProvider) {
return __awaiter(this, void 0, void 0, function () {
var ERC20Contract, decimals;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!(tokenAddress === constants_1.AVALANCHE)) return [3, 1];
return [2, _utils_1.getAvaxToken(chainIdAndProvider.chainId)];
case 1:
ERC20Contract = getContract(tokenAddress, constants_1._ERC20_ABI, chainIdAndProvider.provider);
return [4, ERC20Contract.decimals()];
case 2:
decimals = _a.sent();
return [2, {
chainId: chainIdAndProvider.chainId,
address: ERC20Contract.address,
decimals: decimals
}];
}
});
});
}
function getTokenReserves(tokenAddress, chainIdOrProvider) {
if (chainIdOrProvider === void 0) { chainIdOrProvider = 1; }
return __awaiter(this, void 0, void 0, function () {
var normalizedTokenAddress, chainIdAndProvider, avaxTokenPromise, tokenPromise, factoryContract, tokenContract, exchangeAddress, exchangeTokenPromise, maticBalancePromise, tokenBalancePromise, _a, avaxToken, token, exchangeToken, avaxBalance, tokenBalance, avaxReserve, tokenReserve;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
normalizedTokenAddress = _utils_1.normalizeAddress(tokenAddress);
return [4, getChainIdAndProvider(chainIdOrProvider)];
case 1:
chainIdAndProvider = _b.sent();
avaxTokenPromise = getToken(constants_1.AVALANCHE, chainIdAndProvider);
tokenPromise = getToken(normalizedTokenAddress, chainIdAndProvider);
factoryContract = getContract(constants_1.FACTORY_ADDRESS[chainIdAndProvider.chainId], constants_1.FACTORY_ABI, chainIdAndProvider.provider);
tokenContract = getContract(normalizedTokenAddress, constants_1._ERC20_ABI, chainIdAndProvider.provider);
return [4, factoryContract.getExchange(normalizedTokenAddress)];
case 2:
exchangeAddress = _b.sent();
exchangeTokenPromise = getToken(exchangeAddress, chainIdAndProvider);
maticBalancePromise = chainIdAndProvider.provider.getBalance(exchangeAddress);
tokenBalancePromise = tokenContract.balanceOf(exchangeAddress);
return [4, Promise.all([avaxTokenPromise, tokenPromise, exchangeTokenPromise, maticBalancePromise, tokenBalancePromise])];
case 3:
_a = _b.sent(), avaxToken = _a[0], token = _a[1], exchangeToken = _a[2], avaxBalance = _a[3], tokenBalance = _a[4];
avaxReserve = { token: avaxToken, amount: _utils_1.normalizeBigNumberish(avaxBalance) };
tokenReserve = { token: token, amount: _utils_1.normalizeBigNumberish(tokenBalance) };
return [2, { token: token, exchange: exchangeToken, avaxReserve: avaxReserve, tokenReserve: tokenReserve }];
}
});
});
}
exports.getTokenReserves = getTokenReserves;
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