moonwalkerswap-avalanche-sdk
Version:
🛠An SDK for building applications on top of Moonwalkerswap.
2,423 lines • 88.8 kB
JavaScript
import JSBI from 'jsbi';
export { default as JSBI } from 'jsbi';
import invariant from 'tiny-invariant';
import warning from 'tiny-warning';
import { getAddress, getCreate2Address } from '@ethersproject/address';
import _Big from 'big.js';
import toFormat from 'toformat';
import _Decimal from 'decimal.js-light';
import { keccak256, pack } from '@ethersproject/solidity';
import { Contract } from '@ethersproject/contracts';
import { getNetwork } from '@ethersproject/networks';
import { getDefaultProvider } from '@ethersproject/providers';
import IMoonwalkerPair from 'moonwalkerswap-v2-core/build/contracts/IMoonwalkerPair.json';
var _SOLIDITY_TYPE_MAXIMA;
var ChainId;
(function (ChainId) {
ChainId[ChainId["AVALANCHE"] = 43114] = "AVALANCHE";
})(ChainId || (ChainId = {}));
var TradeType;
(function (TradeType) {
TradeType[TradeType["EXACT_INPUT"] = 0] = "EXACT_INPUT";
TradeType[TradeType["EXACT_OUTPUT"] = 1] = "EXACT_OUTPUT";
})(TradeType || (TradeType = {}));
var Rounding;
(function (Rounding) {
Rounding[Rounding["ROUND_DOWN"] = 0] = "ROUND_DOWN";
Rounding[Rounding["ROUND_HALF_UP"] = 1] = "ROUND_HALF_UP";
Rounding[Rounding["ROUND_UP"] = 2] = "ROUND_UP";
})(Rounding || (Rounding = {}));
var FACTORY_ADDRESS = '0x2b85c99d6f40f584c8742aafd93844309df396cb'; //TODO Need to change this. This address should be same for both testnet and mainnet
var INIT_CODE_HASH = '0xdc881fbbbdf45595337cc751b266384ded4942f7326bf7ebbc8bde142f820018';
var MINIMUM_LIQUIDITY = /*#__PURE__*/JSBI.BigInt(1000); // exports for internal consumption
var ZERO = /*#__PURE__*/JSBI.BigInt(0);
var ONE = /*#__PURE__*/JSBI.BigInt(1);
var TWO = /*#__PURE__*/JSBI.BigInt(2);
var THREE = /*#__PURE__*/JSBI.BigInt(3);
var FIVE = /*#__PURE__*/JSBI.BigInt(5);
var TEN = /*#__PURE__*/JSBI.BigInt(10);
var _100 = /*#__PURE__*/JSBI.BigInt(100);
var _997 = /*#__PURE__*/JSBI.BigInt(997);
var _1000 = /*#__PURE__*/JSBI.BigInt(1000);
var SolidityType;
(function (SolidityType) {
SolidityType["uint8"] = "uint8";
SolidityType["uint256"] = "uint256";
})(SolidityType || (SolidityType = {}));
var SOLIDITY_TYPE_MAXIMA = (_SOLIDITY_TYPE_MAXIMA = {}, _SOLIDITY_TYPE_MAXIMA[SolidityType.uint8] = /*#__PURE__*/JSBI.BigInt('0xff'), _SOLIDITY_TYPE_MAXIMA[SolidityType.uint256] = /*#__PURE__*/JSBI.BigInt('0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff'), _SOLIDITY_TYPE_MAXIMA);
function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
try {
var info = gen[key](arg);
var value = info.value;
} catch (error) {
reject(error);
return;
}
if (info.done) {
resolve(value);
} else {
Promise.resolve(value).then(_next, _throw);
}
}
function _asyncToGenerator(fn) {
return function () {
var self = this,
args = arguments;
return new Promise(function (resolve, reject) {
var gen = fn.apply(self, args);
function _next(value) {
asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
}
function _throw(err) {
asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
}
_next(undefined);
});
};
}
function _defineProperties(target, props) {
for (var i = 0; i < props.length; i++) {
var descriptor = props[i];
descriptor.enumerable = descriptor.enumerable || false;
descriptor.configurable = true;
if ("value" in descriptor) descriptor.writable = true;
Object.defineProperty(target, descriptor.key, descriptor);
}
}
function _createClass(Constructor, protoProps, staticProps) {
if (protoProps) _defineProperties(Constructor.prototype, protoProps);
if (staticProps) _defineProperties(Constructor, staticProps);
Object.defineProperty(Constructor, "prototype", {
writable: false
});
return Constructor;
}
function _extends() {
_extends = Object.assign || function (target) {
for (var i = 1; i < arguments.length; i++) {
var source = arguments[i];
for (var key in source) {
if (Object.prototype.hasOwnProperty.call(source, key)) {
target[key] = source[key];
}
}
}
return target;
};
return _extends.apply(this, arguments);
}
function _inheritsLoose(subClass, superClass) {
subClass.prototype = Object.create(superClass.prototype);
subClass.prototype.constructor = subClass;
_setPrototypeOf(subClass, superClass);
}
function _getPrototypeOf(o) {
_getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
return o.__proto__ || Object.getPrototypeOf(o);
};
return _getPrototypeOf(o);
}
function _setPrototypeOf(o, p) {
_setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
o.__proto__ = p;
return o;
};
return _setPrototypeOf(o, p);
}
function _isNativeReflectConstruct() {
if (typeof Reflect === "undefined" || !Reflect.construct) return false;
if (Reflect.construct.sham) return false;
if (typeof Proxy === "function") return true;
try {
Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {}));
return true;
} catch (e) {
return false;
}
}
function _construct(Parent, args, Class) {
if (_isNativeReflectConstruct()) {
_construct = Reflect.construct;
} else {
_construct = function _construct(Parent, args, Class) {
var a = [null];
a.push.apply(a, args);
var Constructor = Function.bind.apply(Parent, a);
var instance = new Constructor();
if (Class) _setPrototypeOf(instance, Class.prototype);
return instance;
};
}
return _construct.apply(null, arguments);
}
function _isNativeFunction(fn) {
return Function.toString.call(fn).indexOf("[native code]") !== -1;
}
function _wrapNativeSuper(Class) {
var _cache = typeof Map === "function" ? new Map() : undefined;
_wrapNativeSuper = function _wrapNativeSuper(Class) {
if (Class === null || !_isNativeFunction(Class)) return Class;
if (typeof Class !== "function") {
throw new TypeError("Super expression must either be null or a function");
}
if (typeof _cache !== "undefined") {
if (_cache.has(Class)) return _cache.get(Class);
_cache.set(Class, Wrapper);
}
function Wrapper() {
return _construct(Class, arguments, _getPrototypeOf(this).constructor);
}
Wrapper.prototype = Object.create(Class.prototype, {
constructor: {
value: Wrapper,
enumerable: false,
writable: true,
configurable: true
}
});
return _setPrototypeOf(Wrapper, Class);
};
return _wrapNativeSuper(Class);
}
function _assertThisInitialized(self) {
if (self === void 0) {
throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
}
return self;
}
function _unsupportedIterableToArray(o, minLen) {
if (!o) return;
if (typeof o === "string") return _arrayLikeToArray(o, minLen);
var n = Object.prototype.toString.call(o).slice(8, -1);
if (n === "Object" && o.constructor) n = o.constructor.name;
if (n === "Map" || n === "Set") return Array.from(o);
if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
}
function _arrayLikeToArray(arr, len) {
if (len == null || len > arr.length) len = arr.length;
for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
return arr2;
}
function _createForOfIteratorHelperLoose(o, allowArrayLike) {
var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"];
if (it) return (it = it.call(o)).next.bind(it);
if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") {
if (it) o = it;
var i = 0;
return function () {
if (i >= o.length) return {
done: true
};
return {
done: false,
value: o[i++]
};
};
}
throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}
// see https://stackoverflow.com/a/41102306
var CAN_SET_PROTOTYPE = ('setPrototypeOf' in Object);
/**
* Indicates that the pair has insufficient reserves for a desired output amount. I.e. the amount of output cannot be
* obtained by sending any amount of input.
*/
var InsufficientReservesError = /*#__PURE__*/function (_Error) {
_inheritsLoose(InsufficientReservesError, _Error);
function InsufficientReservesError() {
var _this;
_this = _Error.call(this) || this;
_this.isInsufficientReservesError = true;
_this.name = _this.constructor.name;
if (CAN_SET_PROTOTYPE) Object.setPrototypeOf(_assertThisInitialized(_this), (this instanceof InsufficientReservesError ? this.constructor : void 0).prototype);
return _this;
}
return InsufficientReservesError;
}( /*#__PURE__*/_wrapNativeSuper(Error));
/**
* Indicates that the input amount is too small to produce any amount of output. I.e. the amount of input sent is less
* than the price of a single unit of output after fees.
*/
var InsufficientInputAmountError = /*#__PURE__*/function (_Error2) {
_inheritsLoose(InsufficientInputAmountError, _Error2);
function InsufficientInputAmountError() {
var _this2;
_this2 = _Error2.call(this) || this;
_this2.isInsufficientInputAmountError = true;
_this2.name = _this2.constructor.name;
if (CAN_SET_PROTOTYPE) Object.setPrototypeOf(_assertThisInitialized(_this2), (this instanceof InsufficientInputAmountError ? this.constructor : void 0).prototype);
return _this2;
}
return InsufficientInputAmountError;
}( /*#__PURE__*/_wrapNativeSuper(Error));
function validateSolidityTypeInstance(value, solidityType) {
!JSBI.greaterThanOrEqual(value, ZERO) ? process.env.NODE_ENV !== "production" ? invariant(false, value + " is not a " + solidityType + ".") : invariant(false) : void 0;
!JSBI.lessThanOrEqual(value, SOLIDITY_TYPE_MAXIMA[solidityType]) ? process.env.NODE_ENV !== "production" ? invariant(false, value + " is not a " + solidityType + ".") : invariant(false) : void 0;
} // warns if addresses are not checksummed
function validateAndParseAddress(address) {
try {
var checksummedAddress = getAddress(address);
process.env.NODE_ENV !== "production" ? warning(address === checksummedAddress, address + " is not checksummed.") : void 0;
return checksummedAddress;
} catch (error) {
process.env.NODE_ENV !== "production" ? invariant(false, address + " is not a valid address.") : invariant(false) ;
}
}
function parseBigintIsh(bigintIsh) {
return bigintIsh instanceof JSBI ? bigintIsh : typeof bigintIsh === 'bigint' ? JSBI.BigInt(bigintIsh.toString()) : JSBI.BigInt(bigintIsh);
} // mock the on-chain sqrt function
function sqrt(y) {
validateSolidityTypeInstance(y, SolidityType.uint256);
var z = ZERO;
var x;
if (JSBI.greaterThan(y, THREE)) {
z = y;
x = JSBI.add(JSBI.divide(y, TWO), ONE);
while (JSBI.lessThan(x, z)) {
z = x;
x = JSBI.divide(JSBI.add(JSBI.divide(y, x), x), TWO);
}
} else if (JSBI.notEqual(y, ZERO)) {
z = ONE;
}
return z;
} // given an array of items sorted by `comparator`, insert an item into its sort index and constrain the size to
// `maxSize` by removing the last item
function sortedInsert(items, add, maxSize, comparator) {
!(maxSize > 0) ? process.env.NODE_ENV !== "production" ? invariant(false, 'MAX_SIZE_ZERO') : invariant(false) : void 0; // this is an invariant because the interface cannot return multiple removed items if items.length exceeds maxSize
!(items.length <= maxSize) ? process.env.NODE_ENV !== "production" ? invariant(false, 'ITEMS_SIZE') : invariant(false) : void 0; // short circuit first item add
if (items.length === 0) {
items.push(add);
return null;
} else {
var isFull = items.length === maxSize; // short circuit if full and the additional item does not come before the last item
if (isFull && comparator(items[items.length - 1], add) <= 0) {
return add;
}
var lo = 0,
hi = items.length;
while (lo < hi) {
var mid = lo + hi >>> 1;
if (comparator(items[mid], add) <= 0) {
lo = mid + 1;
} else {
hi = mid;
}
}
items.splice(lo, 0, add);
return isFull ? items.pop() : null;
}
}
/**
* A currency is any fungible financial instrument on Ethereum, including Ether and all ERC20 tokens.
*
* The only instance of the base class `Currency` is Ether.
*/
var Currency =
/**
* Constructs an instance of the base class `Currency`. The only instance of the base class `Currency` is `Currency.ETHER`.
* @param decimals decimals of the currency
* @param symbol symbol of the currency
* @param name of the currency
*/
function Currency(decimals, symbol, name) {
validateSolidityTypeInstance(JSBI.BigInt(decimals), SolidityType.uint8);
this.decimals = decimals;
this.symbol = symbol;
this.name = name;
};
/**
* The only instance of the base class `Currency`.
*/
Currency.ETHER = /*#__PURE__*/new Currency(18, 'Avax', 'Avax');
var ETHER = Currency.ETHER;
var _WETH;
/**
* Represents an ERC20 token with a unique address and some metadata.
*/
var Token = /*#__PURE__*/function (_Currency) {
_inheritsLoose(Token, _Currency);
function Token(chainId, address, decimals, symbol, name) {
var _this;
_this = _Currency.call(this, decimals, symbol, name) || this;
_this.chainId = chainId;
_this.address = validateAndParseAddress(address);
return _this;
}
/**
* Returns true if the two tokens are equivalent, i.e. have the same chainId and address.
* @param other other token to compare
*/
var _proto = Token.prototype;
_proto.equals = function equals(other) {
// short circuit on reference equality
if (this === other) {
return true;
}
return this.chainId === other.chainId && this.address === other.address;
}
/**
* Returns true if the address of this token sorts before the address of the other token
* @param other other token to compare
* @throws if the tokens have the same address
* @throws if the tokens are on different chains
*/
;
_proto.sortsBefore = function sortsBefore(other) {
!(this.chainId === other.chainId) ? process.env.NODE_ENV !== "production" ? invariant(false, 'CHAIN_IDS') : invariant(false) : void 0;
!(this.address !== other.address) ? process.env.NODE_ENV !== "production" ? invariant(false, 'ADDRESSES') : invariant(false) : void 0;
return this.address.toLowerCase() < other.address.toLowerCase();
};
return Token;
}(Currency);
/**
* Compares two currencies for equality
*/
function currencyEquals(currencyA, currencyB) {
if (currencyA instanceof Token && currencyB instanceof Token) {
return currencyA.equals(currencyB);
} else if (currencyA instanceof Token) {
return false;
} else if (currencyB instanceof Token) {
return false;
} else {
return currencyA === currencyB;
}
}
var WETH = (_WETH = {}, _WETH[ChainId.AVALANCHE] = /*#__PURE__*/new Token(ChainId.AVALANCHE, '0xb31f66aa3c1e785363f0875a1b74e27b85fd66c7', 18, 'WAVAX', 'Wrapped Avax'), _WETH);
var _toSignificantRoundin, _toFixedRounding;
var Decimal = /*#__PURE__*/toFormat(_Decimal);
var Big = /*#__PURE__*/toFormat(_Big);
var toSignificantRounding = (_toSignificantRoundin = {}, _toSignificantRoundin[Rounding.ROUND_DOWN] = Decimal.ROUND_DOWN, _toSignificantRoundin[Rounding.ROUND_HALF_UP] = Decimal.ROUND_HALF_UP, _toSignificantRoundin[Rounding.ROUND_UP] = Decimal.ROUND_UP, _toSignificantRoundin);
var toFixedRounding = (_toFixedRounding = {}, _toFixedRounding[Rounding.ROUND_DOWN] = 0, _toFixedRounding[Rounding.ROUND_HALF_UP] = 1, _toFixedRounding[Rounding.ROUND_UP] = 3, _toFixedRounding);
var Fraction = /*#__PURE__*/function () {
function Fraction(numerator, denominator) {
if (denominator === void 0) {
denominator = ONE;
}
this.numerator = parseBigintIsh(numerator);
this.denominator = parseBigintIsh(denominator);
} // performs floor division
var _proto = Fraction.prototype;
_proto.invert = function invert() {
return new Fraction(this.denominator, this.numerator);
};
_proto.add = function add(other) {
var otherParsed = other instanceof Fraction ? other : new Fraction(parseBigintIsh(other));
if (JSBI.equal(this.denominator, otherParsed.denominator)) {
return new Fraction(JSBI.add(this.numerator, otherParsed.numerator), this.denominator);
}
return new Fraction(JSBI.add(JSBI.multiply(this.numerator, otherParsed.denominator), JSBI.multiply(otherParsed.numerator, this.denominator)), JSBI.multiply(this.denominator, otherParsed.denominator));
};
_proto.subtract = function subtract(other) {
var otherParsed = other instanceof Fraction ? other : new Fraction(parseBigintIsh(other));
if (JSBI.equal(this.denominator, otherParsed.denominator)) {
return new Fraction(JSBI.subtract(this.numerator, otherParsed.numerator), this.denominator);
}
return new Fraction(JSBI.subtract(JSBI.multiply(this.numerator, otherParsed.denominator), JSBI.multiply(otherParsed.numerator, this.denominator)), JSBI.multiply(this.denominator, otherParsed.denominator));
};
_proto.lessThan = function lessThan(other) {
var otherParsed = other instanceof Fraction ? other : new Fraction(parseBigintIsh(other));
return JSBI.lessThan(JSBI.multiply(this.numerator, otherParsed.denominator), JSBI.multiply(otherParsed.numerator, this.denominator));
};
_proto.equalTo = function equalTo(other) {
var otherParsed = other instanceof Fraction ? other : new Fraction(parseBigintIsh(other));
return JSBI.equal(JSBI.multiply(this.numerator, otherParsed.denominator), JSBI.multiply(otherParsed.numerator, this.denominator));
};
_proto.greaterThan = function greaterThan(other) {
var otherParsed = other instanceof Fraction ? other : new Fraction(parseBigintIsh(other));
return JSBI.greaterThan(JSBI.multiply(this.numerator, otherParsed.denominator), JSBI.multiply(otherParsed.numerator, this.denominator));
};
_proto.multiply = function multiply(other) {
var otherParsed = other instanceof Fraction ? other : new Fraction(parseBigintIsh(other));
return new Fraction(JSBI.multiply(this.numerator, otherParsed.numerator), JSBI.multiply(this.denominator, otherParsed.denominator));
};
_proto.divide = function divide(other) {
var otherParsed = other instanceof Fraction ? other : new Fraction(parseBigintIsh(other));
return new Fraction(JSBI.multiply(this.numerator, otherParsed.denominator), JSBI.multiply(this.denominator, otherParsed.numerator));
};
_proto.toSignificant = function toSignificant(significantDigits, format, rounding) {
if (format === void 0) {
format = {
groupSeparator: ''
};
}
if (rounding === void 0) {
rounding = Rounding.ROUND_HALF_UP;
}
!Number.isInteger(significantDigits) ? process.env.NODE_ENV !== "production" ? invariant(false, significantDigits + " is not an integer.") : invariant(false) : void 0;
!(significantDigits > 0) ? process.env.NODE_ENV !== "production" ? invariant(false, significantDigits + " is not positive.") : invariant(false) : void 0;
Decimal.set({
precision: significantDigits + 1,
rounding: toSignificantRounding[rounding]
});
var quotient = new Decimal(this.numerator.toString()).div(this.denominator.toString()).toSignificantDigits(significantDigits);
return quotient.toFormat(quotient.decimalPlaces(), format);
};
_proto.toFixed = function toFixed(decimalPlaces, format, rounding) {
if (format === void 0) {
format = {
groupSeparator: ''
};
}
if (rounding === void 0) {
rounding = Rounding.ROUND_HALF_UP;
}
!Number.isInteger(decimalPlaces) ? process.env.NODE_ENV !== "production" ? invariant(false, decimalPlaces + " is not an integer.") : invariant(false) : void 0;
!(decimalPlaces >= 0) ? process.env.NODE_ENV !== "production" ? invariant(false, decimalPlaces + " is negative.") : invariant(false) : void 0;
Big.DP = decimalPlaces;
Big.RM = toFixedRounding[rounding];
return new Big(this.numerator.toString()).div(this.denominator.toString()).toFormat(decimalPlaces, format);
};
_createClass(Fraction, [{
key: "quotient",
get: function get() {
return JSBI.divide(this.numerator, this.denominator);
} // remainder after floor division
}, {
key: "remainder",
get: function get() {
return new Fraction(JSBI.remainder(this.numerator, this.denominator), this.denominator);
}
}]);
return Fraction;
}();
var Big$1 = /*#__PURE__*/toFormat(_Big);
var CurrencyAmount = /*#__PURE__*/function (_Fraction) {
_inheritsLoose(CurrencyAmount, _Fraction);
// amount _must_ be raw, i.e. in the native representation
function CurrencyAmount(currency, amount) {
var _this;
var parsedAmount = parseBigintIsh(amount);
validateSolidityTypeInstance(parsedAmount, SolidityType.uint256);
_this = _Fraction.call(this, parsedAmount, JSBI.exponentiate(TEN, JSBI.BigInt(currency.decimals))) || this;
_this.currency = currency;
return _this;
}
/**
* Helper that calls the constructor with the ETHER currency
* @param amount ether amount in wei
*/
CurrencyAmount.ether = function ether(amount) {
return new CurrencyAmount(ETHER, amount);
};
var _proto = CurrencyAmount.prototype;
_proto.add = function add(other) {
!currencyEquals(this.currency, other.currency) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TOKEN') : invariant(false) : void 0;
return new CurrencyAmount(this.currency, JSBI.add(this.raw, other.raw));
};
_proto.subtract = function subtract(other) {
!currencyEquals(this.currency, other.currency) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TOKEN') : invariant(false) : void 0;
return new CurrencyAmount(this.currency, JSBI.subtract(this.raw, other.raw));
};
_proto.toSignificant = function toSignificant(significantDigits, format, rounding) {
if (significantDigits === void 0) {
significantDigits = 6;
}
if (rounding === void 0) {
rounding = Rounding.ROUND_DOWN;
}
return _Fraction.prototype.toSignificant.call(this, significantDigits, format, rounding);
};
_proto.toFixed = function toFixed(decimalPlaces, format, rounding) {
if (decimalPlaces === void 0) {
decimalPlaces = this.currency.decimals;
}
if (rounding === void 0) {
rounding = Rounding.ROUND_DOWN;
}
!(decimalPlaces <= this.currency.decimals) ? process.env.NODE_ENV !== "production" ? invariant(false, 'DECIMALS') : invariant(false) : void 0;
return _Fraction.prototype.toFixed.call(this, decimalPlaces, format, rounding);
};
_proto.toExact = function toExact(format) {
if (format === void 0) {
format = {
groupSeparator: ''
};
}
Big$1.DP = this.currency.decimals;
return new Big$1(this.numerator.toString()).div(this.denominator.toString()).toFormat(format);
};
_createClass(CurrencyAmount, [{
key: "raw",
get: function get() {
return this.numerator;
}
}]);
return CurrencyAmount;
}(Fraction);
var TokenAmount = /*#__PURE__*/function (_CurrencyAmount) {
_inheritsLoose(TokenAmount, _CurrencyAmount);
// amount _must_ be raw, i.e. in the native representation
function TokenAmount(token, amount) {
var _this;
_this = _CurrencyAmount.call(this, token, amount) || this;
_this.token = token;
return _this;
}
var _proto = TokenAmount.prototype;
_proto.add = function add(other) {
!this.token.equals(other.token) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TOKEN') : invariant(false) : void 0;
return new TokenAmount(this.token, JSBI.add(this.raw, other.raw));
};
_proto.subtract = function subtract(other) {
!this.token.equals(other.token) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TOKEN') : invariant(false) : void 0;
return new TokenAmount(this.token, JSBI.subtract(this.raw, other.raw));
};
return TokenAmount;
}(CurrencyAmount);
var Price = /*#__PURE__*/function (_Fraction) {
_inheritsLoose(Price, _Fraction);
// denominator and numerator _must_ be raw, i.e. in the native representation
function Price(baseCurrency, quoteCurrency, denominator, numerator) {
var _this;
_this = _Fraction.call(this, numerator, denominator) || this;
_this.baseCurrency = baseCurrency;
_this.quoteCurrency = quoteCurrency;
_this.scalar = new Fraction(JSBI.exponentiate(TEN, JSBI.BigInt(baseCurrency.decimals)), JSBI.exponentiate(TEN, JSBI.BigInt(quoteCurrency.decimals)));
return _this;
}
Price.fromRoute = function fromRoute(route) {
var prices = [];
for (var _iterator = _createForOfIteratorHelperLoose(route.pairs.entries()), _step; !(_step = _iterator()).done;) {
var _step$value = _step.value,
i = _step$value[0],
pair = _step$value[1];
prices.push(route.path[i].equals(pair.token0) ? new Price(pair.reserve0.currency, pair.reserve1.currency, pair.reserve0.raw, pair.reserve1.raw) : new Price(pair.reserve1.currency, pair.reserve0.currency, pair.reserve1.raw, pair.reserve0.raw));
}
return prices.slice(1).reduce(function (accumulator, currentValue) {
return accumulator.multiply(currentValue);
}, prices[0]);
};
var _proto = Price.prototype;
_proto.invert = function invert() {
return new Price(this.quoteCurrency, this.baseCurrency, this.numerator, this.denominator);
};
_proto.multiply = function multiply(other) {
!currencyEquals(this.quoteCurrency, other.baseCurrency) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TOKEN') : invariant(false) : void 0;
var fraction = _Fraction.prototype.multiply.call(this, other);
return new Price(this.baseCurrency, other.quoteCurrency, fraction.denominator, fraction.numerator);
} // performs floor division on overflow
;
_proto.quote = function quote(currencyAmount) {
!currencyEquals(currencyAmount.currency, this.baseCurrency) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TOKEN') : invariant(false) : void 0;
if (this.quoteCurrency instanceof Token) {
return new TokenAmount(this.quoteCurrency, _Fraction.prototype.multiply.call(this, currencyAmount.raw).quotient);
}
return CurrencyAmount.ether(_Fraction.prototype.multiply.call(this, currencyAmount.raw).quotient);
};
_proto.toSignificant = function toSignificant(significantDigits, format, rounding) {
if (significantDigits === void 0) {
significantDigits = 6;
}
return this.adjusted.toSignificant(significantDigits, format, rounding);
};
_proto.toFixed = function toFixed(decimalPlaces, format, rounding) {
if (decimalPlaces === void 0) {
decimalPlaces = 4;
}
return this.adjusted.toFixed(decimalPlaces, format, rounding);
};
_createClass(Price, [{
key: "raw",
get: function get() {
return new Fraction(this.numerator, this.denominator);
}
}, {
key: "adjusted",
get: function get() {
return _Fraction.prototype.multiply.call(this, this.scalar);
}
}]);
return Price;
}(Fraction);
var PAIR_ADDRESS_CACHE = {};
var Pair = /*#__PURE__*/function () {
function Pair(tokenAmountA, tokenAmountB) {
var tokenAmounts = tokenAmountA.token.sortsBefore(tokenAmountB.token) // does safety checks
? [tokenAmountA, tokenAmountB] : [tokenAmountB, tokenAmountA];
this.liquidityToken = new Token(tokenAmounts[0].token.chainId, Pair.getAddress(tokenAmounts[0].token, tokenAmounts[1].token), 18, 'SLR-V2', 'Solar V2');
this.tokenAmounts = tokenAmounts;
}
Pair.getAddress = function getAddress(tokenA, tokenB) {
var _PAIR_ADDRESS_CACHE, _PAIR_ADDRESS_CACHE$t;
var tokens = tokenA.sortsBefore(tokenB) ? [tokenA, tokenB] : [tokenB, tokenA]; // does safety checks
if (((_PAIR_ADDRESS_CACHE = PAIR_ADDRESS_CACHE) == null ? void 0 : (_PAIR_ADDRESS_CACHE$t = _PAIR_ADDRESS_CACHE[tokens[0].address]) == null ? void 0 : _PAIR_ADDRESS_CACHE$t[tokens[1].address]) === undefined) {
var _PAIR_ADDRESS_CACHE2, _extends2, _extends3;
PAIR_ADDRESS_CACHE = _extends({}, PAIR_ADDRESS_CACHE, (_extends3 = {}, _extends3[tokens[0].address] = _extends({}, (_PAIR_ADDRESS_CACHE2 = PAIR_ADDRESS_CACHE) == null ? void 0 : _PAIR_ADDRESS_CACHE2[tokens[0].address], (_extends2 = {}, _extends2[tokens[1].address] = getCreate2Address(FACTORY_ADDRESS, keccak256(['bytes'], [pack(['address', 'address'], [tokens[0].address, tokens[1].address])]), INIT_CODE_HASH), _extends2)), _extends3));
}
return PAIR_ADDRESS_CACHE[tokens[0].address][tokens[1].address];
}
/**
* Returns true if the token is either token0 or token1
* @param token to check
*/
;
var _proto = Pair.prototype;
_proto.involvesToken = function involvesToken(token) {
return token.equals(this.token0) || token.equals(this.token1);
}
/**
* Returns the current mid price of the pair in terms of token0, i.e. the ratio of reserve1 to reserve0
*/
;
/**
* Return the price of the given token in terms of the other token in the pair.
* @param token token to return price of
*/
_proto.priceOf = function priceOf(token) {
!this.involvesToken(token) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TOKEN') : invariant(false) : void 0;
return token.equals(this.token0) ? this.token0Price : this.token1Price;
}
/**
* Returns the chain ID of the tokens in the pair.
*/
;
_proto.reserveOf = function reserveOf(token) {
!this.involvesToken(token) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TOKEN') : invariant(false) : void 0;
return token.equals(this.token0) ? this.reserve0 : this.reserve1;
};
_proto.getOutputAmount = function getOutputAmount(inputAmount) {
!this.involvesToken(inputAmount.token) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TOKEN') : invariant(false) : void 0;
if (JSBI.equal(this.reserve0.raw, ZERO) || JSBI.equal(this.reserve1.raw, ZERO)) {
throw new InsufficientReservesError();
}
var inputReserve = this.reserveOf(inputAmount.token);
var outputReserve = this.reserveOf(inputAmount.token.equals(this.token0) ? this.token1 : this.token0);
var inputAmountWithFee = JSBI.multiply(inputAmount.raw, _997);
var numerator = JSBI.multiply(inputAmountWithFee, outputReserve.raw);
var denominator = JSBI.add(JSBI.multiply(inputReserve.raw, _1000), inputAmountWithFee);
var outputAmount = new TokenAmount(inputAmount.token.equals(this.token0) ? this.token1 : this.token0, JSBI.divide(numerator, denominator));
if (JSBI.equal(outputAmount.raw, ZERO)) {
throw new InsufficientInputAmountError();
}
return [outputAmount, new Pair(inputReserve.add(inputAmount), outputReserve.subtract(outputAmount))];
};
_proto.getInputAmount = function getInputAmount(outputAmount) {
!this.involvesToken(outputAmount.token) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TOKEN') : invariant(false) : void 0;
if (JSBI.equal(this.reserve0.raw, ZERO) || JSBI.equal(this.reserve1.raw, ZERO) || JSBI.greaterThanOrEqual(outputAmount.raw, this.reserveOf(outputAmount.token).raw)) {
throw new InsufficientReservesError();
}
var outputReserve = this.reserveOf(outputAmount.token);
var inputReserve = this.reserveOf(outputAmount.token.equals(this.token0) ? this.token1 : this.token0);
var numerator = JSBI.multiply(JSBI.multiply(inputReserve.raw, outputAmount.raw), _1000);
var denominator = JSBI.multiply(JSBI.subtract(outputReserve.raw, outputAmount.raw), _997);
var inputAmount = new TokenAmount(outputAmount.token.equals(this.token0) ? this.token1 : this.token0, JSBI.add(JSBI.divide(numerator, denominator), ONE));
return [inputAmount, new Pair(inputReserve.add(inputAmount), outputReserve.subtract(outputAmount))];
};
_proto.getLiquidityMinted = function getLiquidityMinted(totalSupply, tokenAmountA, tokenAmountB) {
!totalSupply.token.equals(this.liquidityToken) ? process.env.NODE_ENV !== "production" ? invariant(false, 'LIQUIDITY') : invariant(false) : void 0;
var tokenAmounts = tokenAmountA.token.sortsBefore(tokenAmountB.token) // does safety checks
? [tokenAmountA, tokenAmountB] : [tokenAmountB, tokenAmountA];
!(tokenAmounts[0].token.equals(this.token0) && tokenAmounts[1].token.equals(this.token1)) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TOKEN') : invariant(false) : void 0;
var liquidity;
if (JSBI.equal(totalSupply.raw, ZERO)) {
liquidity = JSBI.subtract(sqrt(JSBI.multiply(tokenAmounts[0].raw, tokenAmounts[1].raw)), MINIMUM_LIQUIDITY);
} else {
var amount0 = JSBI.divide(JSBI.multiply(tokenAmounts[0].raw, totalSupply.raw), this.reserve0.raw);
var amount1 = JSBI.divide(JSBI.multiply(tokenAmounts[1].raw, totalSupply.raw), this.reserve1.raw);
liquidity = JSBI.lessThanOrEqual(amount0, amount1) ? amount0 : amount1;
}
if (!JSBI.greaterThan(liquidity, ZERO)) {
throw new InsufficientInputAmountError();
}
return new TokenAmount(this.liquidityToken, liquidity);
};
_proto.getLiquidityValue = function getLiquidityValue(token, totalSupply, liquidity, feeOn, kLast) {
if (feeOn === void 0) {
feeOn = false;
}
!this.involvesToken(token) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TOKEN') : invariant(false) : void 0;
!totalSupply.token.equals(this.liquidityToken) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TOTAL_SUPPLY') : invariant(false) : void 0;
!liquidity.token.equals(this.liquidityToken) ? process.env.NODE_ENV !== "production" ? invariant(false, 'LIQUIDITY') : invariant(false) : void 0;
!JSBI.lessThanOrEqual(liquidity.raw, totalSupply.raw) ? process.env.NODE_ENV !== "production" ? invariant(false, 'LIQUIDITY') : invariant(false) : void 0;
var totalSupplyAdjusted;
if (!feeOn) {
totalSupplyAdjusted = totalSupply;
} else {
!!!kLast ? process.env.NODE_ENV !== "production" ? invariant(false, 'K_LAST') : invariant(false) : void 0;
var kLastParsed = parseBigintIsh(kLast);
if (!JSBI.equal(kLastParsed, ZERO)) {
var rootK = sqrt(JSBI.multiply(this.reserve0.raw, this.reserve1.raw));
var rootKLast = sqrt(kLastParsed);
if (JSBI.greaterThan(rootK, rootKLast)) {
var numerator = JSBI.multiply(totalSupply.raw, JSBI.subtract(rootK, rootKLast));
var denominator = JSBI.add(JSBI.multiply(rootK, FIVE), rootKLast);
var feeLiquidity = JSBI.divide(numerator, denominator);
totalSupplyAdjusted = totalSupply.add(new TokenAmount(this.liquidityToken, feeLiquidity));
} else {
totalSupplyAdjusted = totalSupply;
}
} else {
totalSupplyAdjusted = totalSupply;
}
}
return new TokenAmount(token, JSBI.divide(JSBI.multiply(liquidity.raw, this.reserveOf(token).raw), totalSupplyAdjusted.raw));
};
_createClass(Pair, [{
key: "token0Price",
get: function get() {
return new Price(this.token0, this.token1, this.tokenAmounts[0].raw, this.tokenAmounts[1].raw);
}
/**
* Returns the current mid price of the pair in terms of token1, i.e. the ratio of reserve0 to reserve1
*/
}, {
key: "token1Price",
get: function get() {
return new Price(this.token1, this.token0, this.tokenAmounts[1].raw, this.tokenAmounts[0].raw);
}
}, {
key: "chainId",
get: function get() {
return this.token0.chainId;
}
}, {
key: "token0",
get: function get() {
return this.tokenAmounts[0].token;
}
}, {
key: "token1",
get: function get() {
return this.tokenAmounts[1].token;
}
}, {
key: "reserve0",
get: function get() {
return this.tokenAmounts[0];
}
}, {
key: "reserve1",
get: function get() {
return this.tokenAmounts[1];
}
}]);
return Pair;
}();
var Route = /*#__PURE__*/function () {
function Route(pairs, input, output) {
!(pairs.length > 0) ? process.env.NODE_ENV !== "production" ? invariant(false, 'PAIRS') : invariant(false) : void 0;
!pairs.every(function (pair) {
return pair.chainId === pairs[0].chainId;
}) ? process.env.NODE_ENV !== "production" ? invariant(false, 'CHAIN_IDS') : invariant(false) : void 0;
!(input instanceof Token && pairs[0].involvesToken(input) || input === ETHER && pairs[0].involvesToken(WETH[pairs[0].chainId])) ? process.env.NODE_ENV !== "production" ? invariant(false, 'INPUT') : invariant(false) : void 0;
!(typeof output === 'undefined' || output instanceof Token && pairs[pairs.length - 1].involvesToken(output) || output === ETHER && pairs[pairs.length - 1].involvesToken(WETH[pairs[0].chainId])) ? process.env.NODE_ENV !== "production" ? invariant(false, 'OUTPUT') : invariant(false) : void 0;
var path = [input instanceof Token ? input : WETH[pairs[0].chainId]];
for (var _iterator = _createForOfIteratorHelperLoose(pairs.entries()), _step; !(_step = _iterator()).done;) {
var _step$value = _step.value,
i = _step$value[0],
pair = _step$value[1];
var currentInput = path[i];
!(currentInput.equals(pair.token0) || currentInput.equals(pair.token1)) ? process.env.NODE_ENV !== "production" ? invariant(false, 'PATH') : invariant(false) : void 0;
var _output = currentInput.equals(pair.token0) ? pair.token1 : pair.token0;
path.push(_output);
}
this.pairs = pairs;
this.path = path;
this.midPrice = Price.fromRoute(this);
this.input = input;
this.output = output != null ? output : path[path.length - 1];
}
_createClass(Route, [{
key: "chainId",
get: function get() {
return this.pairs[0].chainId;
}
}]);
return Route;
}();
var _100_PERCENT = /*#__PURE__*/new Fraction(_100);
var Percent = /*#__PURE__*/function (_Fraction) {
_inheritsLoose(Percent, _Fraction);
function Percent() {
return _Fraction.apply(this, arguments) || this;
}
var _proto = Percent.prototype;
_proto.toSignificant = function toSignificant(significantDigits, format, rounding) {
if (significantDigits === void 0) {
significantDigits = 5;
}
return this.multiply(_100_PERCENT).toSignificant(significantDigits, format, rounding);
};
_proto.toFixed = function toFixed(decimalPlaces, format, rounding) {
if (decimalPlaces === void 0) {
decimalPlaces = 2;
}
return this.multiply(_100_PERCENT).toFixed(decimalPlaces, format, rounding);
};
return Percent;
}(Fraction);
/**
* Returns the percent difference between the mid price and the execution price, i.e. price impact.
* @param midPrice mid price before the trade
* @param inputAmount the input amount of the trade
* @param outputAmount the output amount of the trade
*/
function computePriceImpact(midPrice, inputAmount, outputAmount) {
var exactQuote = midPrice.raw.multiply(inputAmount.raw); // calculate slippage := (exactQuote - outputAmount) / exactQuote
var slippage = exactQuote.subtract(outputAmount.raw).divide(exactQuote);
return new Percent(slippage.numerator, slippage.denominator);
} // comparator function that allows sorting trades by their output amounts, in decreasing order, and then input amounts
// in increasing order. i.e. the best trades have the most outputs for the least inputs and are sorted first
function inputOutputComparator(a, b) {
// must have same input and output token for comparison
!currencyEquals(a.inputAmount.currency, b.inputAmount.currency) ? process.env.NODE_ENV !== "production" ? invariant(false, 'INPUT_CURRENCY') : invariant(false) : void 0;
!currencyEquals(a.outputAmount.currency, b.outputAmount.currency) ? process.env.NODE_ENV !== "production" ? invariant(false, 'OUTPUT_CURRENCY') : invariant(false) : void 0;
if (a.outputAmount.equalTo(b.outputAmount)) {
if (a.inputAmount.equalTo(b.inputAmount)) {
return 0;
} // trade A requires less input than trade B, so A should come first
if (a.inputAmount.lessThan(b.inputAmount)) {
return -1;
} else {
return 1;
}
} else {
// tradeA has less output than trade B, so should come second
if (a.outputAmount.lessThan(b.outputAmount)) {
return 1;
} else {
return -1;
}
}
} // extension of the input output comparator that also considers other dimensions of the trade in ranking them
function tradeComparator(a, b) {
var ioComp = inputOutputComparator(a, b);
if (ioComp !== 0) {
return ioComp;
} // consider lowest slippage next, since these are less likely to fail
if (a.priceImpact.lessThan(b.priceImpact)) {
return -1;
} else if (a.priceImpact.greaterThan(b.priceImpact)) {
return 1;
} // finally consider the number of hops since each hop costs gas
return a.route.path.length - b.route.path.length;
}
/**
* Given a currency amount and a chain ID, returns the equivalent representation as the token amount.
* In other words, if the currency is ETHER, returns the WETH token amount for the given chain. Otherwise, returns
* the input currency amount.
*/
function wrappedAmount(currencyAmount, chainId) {
if (currencyAmount instanceof TokenAmount) return currencyAmount;
if (currencyAmount.currency === ETHER) return new TokenAmount(WETH[chainId], currencyAmount.raw);
process.env.NODE_ENV !== "production" ? invariant(false, 'CURRENCY') : invariant(false) ;
}
function wrappedCurrency(currency, chainId) {
if (currency instanceof Token) return currency;
if (currency === ETHER) return WETH[chainId];
process.env.NODE_ENV !== "production" ? invariant(false, 'CURRENCY') : invariant(false) ;
}
/**
* Represents a trade executed against a list of pairs.
* Does not account for slippage, i.e. trades that front run this trade and move the price.
*/
var Trade = /*#__PURE__*/function () {
function Trade(route, amount, tradeType) {
var amounts = new Array(route.path.length);
var nextPairs = new Array(route.pairs.length);
if (tradeType === TradeType.EXACT_INPUT) {
!currencyEquals(amount.currency, route.input) ? process.env.NODE_ENV !== "production" ? invariant(false, 'INPUT') : invariant(false) : void 0;
amounts[0] = wrappedAmount(amount, route.chainId);
for (var i = 0; i < route.path.length - 1; i++) {
var pair = route.pairs[i];
var _pair$getOutputAmount = pair.getOutputAmount(amounts[i]),
outputAmount = _pair$getOutputAmount[0],
nextPair = _pair$getOutputAmount[1];
amounts[i + 1] = outputAmount;
nextPairs[i] = nextPair;
}
} else {
!currencyEquals(amount.currency, route.output) ? process.env.NODE_ENV !== "production" ? invariant(false, 'OUTPUT') : invariant(false) : void 0;
amounts[amounts.length - 1] = wrappedAmount(amount, route.chainId);
for (var _i = route.path.length - 1; _i > 0; _i--) {
var _pair = route.pairs[_i - 1];
var _pair$getInputAmount = _pair.getInputAmount(amounts[_i]),
inputAmount = _pair$getInputAmount[0],
_nextPair = _pair$getInputAmount[1];
amounts[_i - 1] = inputAmount;
nextPairs[_i - 1] = _nextPair;
}
}
this.route = route;
this.tradeType = tradeType;
this.inputAmount = tradeType === TradeType.EXACT_INPUT ? amount : route.input === ETHER ? CurrencyAmount.ether(amounts[0].raw) : amounts[0];
this.outputAmount = tradeType === TradeType.EXACT_OUTPUT ? amount : route.output === ETHER ? CurrencyAmount.ether(amounts[amounts.length - 1].raw) : amounts[amounts.length - 1];
this.executionPrice = new Price(this.inputAmount.currency, this.outputAmount.currency, this.inputAmount.raw, this.outputAmount.raw);
this.nextMidPrice = Price.fromRoute(new Route(nextPairs, route.input));
this.priceImpact = computePriceImpact(route.midPrice, this.inputAmount, this.outputAmount);
}
/**
* Constructs an exact in trade with the given amount in and route
* @param route route of the exact in trade
* @param amountIn the amount being passed in
*/
Trade.exactIn = function exactIn(route, amountIn) {
return new Trade(route, amountIn, TradeType.EXACT_INPUT);
}
/**
* Constructs an exact out trade with the given amount out and route
* @param route route of the exact out trade
* @param amountOut the amount returned by the trade
*/
;
Trade.exactOut = function exactOut(route, amountOut) {
return new Trade(route, amountOut, TradeType.EXACT_OUTPUT);
}
/**
* Get the minimum amount that must be received from this trade for the given slippage tolerance
* @param slippageTolerance tolerance of unfavorable slippage from the execution price of this trade
*/
;
var _proto = Trade.prototype;
_proto.minimumAmountOut = function minimumAmountOut(slippageTolerance) {
!!slippageTolerance.lessThan(ZERO) ? process.env.NODE_ENV !== "production" ? invariant(false, 'SLIPPAGE_TOLERANCE') : invariant(false) : void 0;
if (this.tradeType === TradeType.EXACT_OUTPUT) {
return this.outputAmount;
} else {
var slippageAdjustedAmountOut = new Fraction(ONE).add(slippageTolerance).invert().multiply(this.outputAmount.raw).quotient;
return this.outputAmount instanceof TokenAmount ? new TokenAmount(this.outputAmount.token, slippageAdjustedAmountOut) : CurrencyAmount.ether(slippageAdjustedAmountOut);
}
}
/**
* Get the maximum amount in that can be spent via this trade for the given slippage tolerance
* @param slippageTolerance tolerance of unfavorable slippage from the execution price of this trade
*/
;
_proto.maximumAmountIn = function maximumAmountIn(slippageTolerance) {
!!slippageTolerance.lessThan(ZERO) ? process.env.NODE_ENV !== "production" ? invariant(false, 'SLIPPAGE_TOLERANCE') : invariant(false) : void 0;
if (this.tradeType === TradeType.EXACT_INPUT) {
return this.inputAmount;
} else {
var slippageAdjustedAmountIn = new Fraction(ONE).add(slippageTolerance).multiply(this.inputAmount.raw).quotient;
return this.inputAmount instanceof TokenAmount ? new TokenAmount(this.inputAmount.token, slippageAdjustedAmountIn) : CurrencyAmount.ether(slippageAdjustedAmountIn);
}
}
/**
* Given a list of pairs, and a fixed amount in, returns the top `maxNumResults` trades that go from an input token
* amount to an output token, making at most `maxHops` hops.
* Note this does not consider aggregation, as routes are linear. It's possible a better route exists by splitting
* the amount in among multiple routes.
* @param pairs the pairs to consider in finding the best trade
* @param currencyAmountIn exact amount of input currency to spend
* @param currencyOut the desired currency out
* @param maxNumResults maximum number of results to return
* @param maxHops maximum number of hops a returned trade can make, e.g. 1 hop goes through a single pair
* @param currentPairs used in recursion; the current list of pairs
* @param originalAmountIn used in recursion; the original value of the currencyAmountIn parameter
* @param bestTrades used in recursion; the current list of best trades
*/
;
Trade.bestTradeExactIn = function bestTradeExactIn(pairs, currencyAmountIn, currencyOut, _temp, // used in recursion.
currentPairs, originalAmountIn, bestTrades) {
var _ref = _temp === void 0 ? {} : _temp,
_ref$maxNumResults = _ref.maxNumResults,
maxNumResults = _ref$maxNumResults === void 0 ? 3 : _ref$maxNumResults,
_ref$maxHops = _ref.maxHops,
maxHops = _ref$maxHops === void 0 ? 3 : _ref$maxHops;
if (currentPairs === void 0) {
currentPairs = [];
}
if (originalAmountIn === void 0) {
originalAmountIn = currencyAmountIn;
}
if (bestTrades === void 0) {
bestTrades = [];
}
!(pairs.length > 0) ? process.env.NODE_ENV !== "production" ? invariant(false, 'PAIRS') : invariant(false) : void 0;
!(maxHops > 0) ? process.env.NODE_ENV !== "production" ? invariant(false, 'MAX_HOPS') : invariant(false) : void 0;
!(originalAmountIn === currencyAmountIn || currentPairs.length > 0) ? process.env.NODE_ENV !== "production" ? invariant(false, 'INVALID_RECURSION') : invariant(false) : void 0;
var chainId = currencyAmountIn instanceof TokenAmount ? currencyAmountIn.token.chainId : currencyOut instanceof Token ? currencyOut.chainId : undefined;
!(chainId !== undefined) ? process.env.NODE_ENV !== "production" ? invariant(false, 'CHAIN_ID') : invariant(false) : void 0;
var amountIn = wrappedAmount(currencyAmountIn, chainId);
var tokenOut = wrappedCurrency(currencyOut, chainId);
for (var i = 0; i < pairs.length; i++) {
var pair = pairs[i]; // pair irrelevant
if (!pair.token0.equals(amountIn.token) && !pair.token1.equals(amountIn.token)) continue;
if (pair.reserve0.equalTo(ZERO) || pair.reserve1.equalTo(ZERO)) continue;
var amountOut = void 0;
try {
;
var _pair$getOutputAmount2 = pair.getOutputAmount(amountIn);
amountOut = _pair$getOutputAmount2[0];
} catch (error) {
// input too low
if (error instanceof Error) {
continue;
}
throw error;
} // we have arrived at the output token, so this is the final trade of one of the paths
if (amountOut.token.equals(tokenOut)) {
sortedInsert(bestTrades, new Trade(new Route([].concat(currentPairs, [pair]), originalAmountIn.currency, currencyOut), originalAmountIn, TradeType.EXACT_INPUT), maxNumResults, tradeComparator);
} else if (maxHops > 1 && pairs.length > 1) {
var pairsExcludingThisPair = pairs.slice(0, i).concat(pairs.slice(i + 1, pairs.length)); // otherwise, consider all the other paths that lead from this token as long as we have not exceeded maxHops
Trade.bestTradeExactIn(pairsExcludingThisPair, amountOut, currencyOut, {
maxNumResults: maxNumResults,
maxHops: maxHops - 1
}, [].concat(currentPairs, [pair]), originalAmountIn, bestTrades);
}
}
return bestTrades;
}
/**
* similar to the above method but instead targets a fixed output amount
* given a list of pairs, and a fixed amount out, returns the top `maxNumResults` trades that go from an input token
* to an output token amount, making at most `maxHops` hops
* note this does not consider aggregation, as routes are linear. it's possible a better route exists by splitting
* the amount in among multiple routes.
* @param pairs the pairs to consider in finding the best trade
* @param currencyIn the currency to spend
* @param currencyAmountOut the exact amount of currency out
* @param maxNumResults maximum number of results to return
* @param maxHops maximum number of hops a returned trade can make, e.g. 1 hop goes through a single pair
* @param currentPairs used in recursion; the current list of pairs
* @param originalAmountOut used in recursion; the original value of the currencyAmountOut parameter
* @param bestTrades used in recursion; the current list of best trades
*/
;
Trade.bestTradeExactOut = function bestTradeExactOut(pairs, currencyIn, currencyAmountOut, _temp2, // used in recursion.
currentPairs, originalAmountOut, bestTrades) {
var _ref2 = _temp2 === void 0 ? {} : _temp2,
_ref2$maxNumResults = _ref2.maxNumResults,
maxNumResults = _ref2$maxNumResults === void 0 ? 3 : _ref2$maxNumResults,
_ref2$maxHops = _ref2.maxHops,
maxHops = _ref2$maxHops === void 0 ? 3 : _ref2$maxHops;
if (currentPairs === void 0) {
currentPairs = [];
}
if (originalAmountOut === void 0) {
originalAmountOut = currencyAmountOut;
}
if (bestTrades === void 0) {
bestTrades = [];
}
!(pairs.length > 0) ? process.env.NODE_ENV !== "production" ? invariant(false, 'PAIRS') : invariant(false) : void 0;
!(maxHops > 0) ? process.env.NODE_ENV !== "production" ? invariant(false, 'MAX_HOPS') : invariant(false) : void 0;
!(originalAmountOut === currencyAmountOut || currentPairs.length > 0) ? process.env.NODE_ENV !== "production" ? invariant(false, 'INVALID_RECURSION') : invariant(false) : void 0;
var chainId = currencyAmountOut instanceof TokenAmount ? currencyAmountOut.token.chainId : currencyIn instanceof Token ? currencyIn.chainId : undefined;
!(chainId !== undefined) ? process.env.NODE_ENV !== "production" ? invariant(false, 'CHAIN_ID') : invariant(false) : void 0;
var amountOut = wrappedAmount(currencyAmountOut, chainId);
var tokenIn = wrappedCurrency(currencyIn, chainId);
for (var i = 0; i < pairs.length; i++) {
var pair = pairs[i]; // pair irrelevant
if (!pair.token0.equals(amountOut.token) && !pair.token1.equals(amountOut.token)) continue;
if (pair.reserve0.equalTo(ZERO) || pair.reserve1.equalTo(ZERO)) continue;
var amountIn = void 0;
try {
;
var _pair$getInputAmount2 = pair.getInputAmount(amountOut);
amountIn = _pair$getInputAmount2[0];
} catch (error) {
// not enough liquidity in this pair
if (error instanceof Error) {
continue;
}
throw error;
} // we have arrived at the input token, so this is the first trade of one of the paths
if (amountIn.token.equals(tokenIn)) {
sortedInsert(bestTrades, new Trade(new Route([pair].concat(currentPairs), currencyIn, originalAmountOut.currency), originalAmountOut, TradeType.EXACT_OUTPUT), maxNumResults, tradeComparator);
} else if (maxHops > 1 && pairs.length > 1) {
var pairsExcludingThisPair = pairs.slice(0, i).concat(pairs.slice(i + 1, pairs.length)); // otherwise, consider all the other paths that arrive at this token as long as we have not exceeded maxHops
Trade.bestTradeExactOut(pairsExcludingThisPair, currencyIn, amountIn, {
maxNumResults: maxNumResults,
maxHops: maxHops - 1
}, [pair].concat(currentPairs), originalAmountOut, bestTrades);
}
}
return bestTrades;
};
return Trade;
}();
function toHex(currencyAmount) {
return "0x" + currencyAmount.raw.toString(16);
}
var ZERO_HEX = '0x0';
/**
* Represents the Moonwalkerswap V2 Router, and has static methods for helping execute trades.
*/
var Router = /*#__PURE__*/function () {
/**
* Cannot be constructed.
*/
function Router() {}
/**
* Produces the on-chain method name to call and the hex encoded parameters to pass as arguments for a given trade.
* @param trade to produce call parameters for
* @param options options for the call parameters
*/
Router.swapCallParameters = function swapCallParameters(trade, options) {
var etherIn = trade.inputAmount.currency === ETHER;
var etherOut = trade.outputAmount.currency === ETHER; // the router does not support both ether in and out
!!(etherIn && etherOut) ? process.env.NODE_ENV !== "production" ? invariant(false, 'ETHER_IN_OUT') : invariant(false) : void 0;
!(options.ttl > 0) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TTL') : invariant(false) : void 0;
var to = validateAndParseAddress(options.recipient);
var amountIn = toHex(trade.maximumAmountIn(options.allowedSlippage));
var amountOut = toHex(trade.minimumAmountOut(options.allowedSlippage));
var path = trade.route.path.map(function (token) {
return token.address;
});
var deadline = "0x" + (Math.floor(new Date().getTime() / 1000) + options.ttl).toString(16);
var useFeeOnTransfer = Boolean(options.feeOnTransfer);
var methodName;
var args;
var value;
switch (trade.tradeType) {
case TradeType.EXACT_INPUT:
if (etherIn) {
methodName = useFeeOnTransfer ? 'swapExactETHForTokensSupportingFeeOnTransferTokens' : 'swapExactETHForTokens'; // (uint amountOutMin, address[] calldata path, address to, uint deadline)
args = [amountOut, path, to, deadline];
value = amountIn;
} else if (etherOut) {
methodName = useFeeOnTransfer ? 'swapExactTokensForETHSupportingFeeOnTransferTokens' : 'swapExactTokensForETH'; // (uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
args = [amountIn, amountOut, path, to, deadline];
value = ZERO_HEX;
} else {
methodName = useFeeOnTransfer ? 'swapExactTokensForTokensSupportingFeeOnTransferTokens' : 'swapExactTokensForTokens'; // (uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
args = [amountIn, amountOut, path, to, deadline];
value = ZERO_HEX;
}
break;
case TradeType.EXACT_OUTPUT:
!!useFeeOnTransfer ? process.env.NODE_ENV !== "production" ? invariant(false, 'EXACT_OUT_FOT') : invariant(false) : void 0;
if (etherIn) {
methodName = 'swapETHForExactTokens'; // (uint amountOut, address[] calldata path, address to, uint deadline)
args = [amountOut, path, to, deadline];
value = amountIn;
} else if (etherOut) {
methodName = 'swapTokensForExactETH'; // (uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
args = [amountOut, amountIn, path, to, deadline];
value = ZERO_HEX;
} else {
methodName = 'swapTokensForExactTokens'; // (uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
args = [amountOut, amountIn, path, to, deadline];
value = ZERO_HEX;
}
break;
}
return {
methodName: methodName,
args: args,
value: value
};
};
return Router;
}();
function createCommonjsModule(fn, module) {
return module = { exports: {} }, fn(module, module.exports), module.exports;
}
var runtime_1 = createCommonjsModule(function (module) {
/**
* Copyright (c) 2014-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
var runtime = (function (exports) {
var Op = Object.prototype;
var hasOwn = Op.hasOwnProperty;
var undefined$1; // More compressible than void 0.
var $Symbol = typeof Symbol === "function" ? Symbol : {};
var iteratorSymbol = $Symbol.iterator || "@@iterator";
var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
function define(obj, key, value) {
Object.defineProperty(obj, key, {
value: value,
enumerable: true,
configurable: true,
writable: true
});
return obj[key];
}
try {
// IE 8 has a broken Object.defineProperty that only works on DOM objects.
define({}, "");
} catch (err) {
define = function(obj, key, value) {
return obj[key] = value;
};
}
function wrap(innerFn, outerFn, self, tryLocsList) {
// If outerFn provided and outerFn.prototype is a Generator, then outerFn.prototype instanceof Generator.
var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
var generator = Object.create(protoGenerator.prototype);
var context = new Context(tryLocsList || []);
// The ._invoke method unifies the implementations of the .next,
// .throw, and .return methods.
generator._invoke = makeInvokeMethod(innerFn, self, context);
return generator;
}
exports.wrap = wrap;
// Try/catch helper to minimize deoptimizations. Returns a completion
// record like context.tryEntries[i].completion. This interface could
// have been (and was previously) designed to take a closure to be
// invoked without arguments, but in all the cases we care about we
// already have an existing method we want to call, so there's no need
// to create a new function object. We can even get away with assuming
// the method takes exactly one argument, since that happens to be true
// in every case, so we don't have to touch the arguments object. The
// only additional allocation required is the completion record, which
// has a stable shape and so hopefully should be cheap to allocate.
function tryCatch(fn, obj, arg) {
try {
return { type: "normal", arg: fn.call(obj, arg) };
} catch (err) {
return { type: "throw", arg: err };
}
}
var GenStateSuspendedStart = "suspendedStart";
var GenStateSuspendedYield = "suspendedYield";
var GenStateExecuting = "executing";
var GenStateCompleted = "completed";
// Returning this object from the innerFn has the same effect as
// breaking out of the dispatch switch statement.
var ContinueSentinel = {};
// Dummy constructor functions that we use as the .constructor and
// .constructor.prototype properties for functions that return Generator
// objects. For full spec compliance, you may wish to configure your
// minifier not to mangle the names of these two functions.
function Generator() {}
function GeneratorFunction() {}
function GeneratorFunctionPrototype() {}
// This is a polyfill for %IteratorPrototype% for environments that
// don't natively support it.
var IteratorPrototype = {};
define(IteratorPrototype, iteratorSymbol, function () {
return this;
});
var getProto = Object.getPrototypeOf;
var NativeIteratorPrototype = getProto && getProto(getProto(values([])));
if (NativeIteratorPrototype &&
NativeIteratorPrototype !== Op &&
hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
// This environment has a native %IteratorPrototype%; use it instead
// of the polyfill.
IteratorPrototype = NativeIteratorPrototype;
}
var Gp = GeneratorFunctionPrototype.prototype =
Generator.prototype = Object.create(IteratorPrototype);
GeneratorFunction.prototype = GeneratorFunctionPrototype;
define(Gp, "constructor", GeneratorFunctionPrototype);
define(GeneratorFunctionPrototype, "constructor", GeneratorFunction);
GeneratorFunction.displayName = define(
GeneratorFunctionPrototype,
toStringTagSymbol,
"GeneratorFunction"
);
// Helper for defining the .next, .throw, and .return methods of the
// Iterator interface in terms of a single ._invoke method.
function defineIteratorMethods(prototype) {
["next", "throw", "return"].forEach(function(method) {
define(prototype, method, function(arg) {
return this._invoke(method, arg);
});
});
}
exports.isGeneratorFunction = function(genFun) {
var ctor = typeof genFun === "function" && genFun.constructor;
return ctor
? ctor === GeneratorFunction ||
// For the native GeneratorFunction constructor, the best we can
// do is to check its .name property.
(ctor.displayName || ctor.name) === "GeneratorFunction"
: false;
};
exports.mark = function(genFun) {
if (Object.setPrototypeOf) {
Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
} else {
genFun.__proto__ = GeneratorFunctionPrototype;
define(genFun, toStringTagSymbol, "GeneratorFunction");
}
genFun.prototype = Object.create(Gp);
return genFun;
};
// Within the body of any async function, `await x` is transformed to
// `yield regeneratorRuntime.awrap(x)`, so that the runtime can test
// `hasOwn.call(value, "__await")` to determine if the yielded value is
// meant to be awaited.
exports.awrap = function(arg) {
return { __await: arg };
};
function AsyncIterator(generator, PromiseImpl) {
function invoke(method, arg, resolve, reject) {
var record = tryCatch(generator[method], generator, arg);
if (record.type === "throw") {
reject(record.arg);
} else {
var result = record.arg;
var value = result.value;
if (value &&
typeof value === "object" &&
hasOwn.call(value, "__await")) {
return PromiseImpl.resolve(value.__await).then(function(value) {
invoke("next", value, resolve, reject);
}, function(err) {
invoke("throw", err, resolve, reject);
});
}
return PromiseImpl.resolve(value).then(function(unwrapped) {
// When a yielded Promise is resolved, its final value becomes
// the .value of the Promise<{value,done}> result for the
// current iteration.
result.value = unwrapped;
resolve(result);
}, function(error) {
// If a rejected Promise was yielded, throw the rejection back
// into the async generator function so it can be handled there.
return invoke("throw", error, resolve, reject);
});
}
}
var previousPromise;
function enqueue(method, arg) {
function callInvokeWithMethodAndArg() {
return new PromiseImpl(function(resolve, reject) {
invoke(method, arg, resolve, reject);
});
}
return previousPromise =
// If enqueue has been called before, then we want to wait until
// all previous Promises have been resolved before calling invoke,
// so that results are always delivered in the correct order. If
// enqueue has not been called before, then it is important to
// call invoke immediately, without waiting on a callback to fire,
// so that the async generator function has the opportunity to do
// any necessary setup in a predictable way. This predictability
// is why the Promise constructor synchronously invokes its
// executor callback, and why async functions synchronously
// execute code before the first await. Since we implement simple
// async functions in terms of async generators, it is especially
// important to get this right, even though it requires care.
previousPromise ? previousPromise.then(
callInvokeWithMethodAndArg,
// Avoid propagating failures to Promises returned by later
// invocations of the iterator.
callInvokeWithMethodAndArg
) : callInvokeWithMethodAndArg();
}
// Define the unified helper method that is used to implement .next,
// .throw, and .return (see defineIteratorMethods).
this._invoke = enqueue;
}
defineIteratorMethods(AsyncIterator.prototype);
define(AsyncIterator.prototype, asyncIteratorSymbol, function () {
return this;
});
exports.AsyncIterator = AsyncIterator;
// Note that simple async functions are implemented on top of
// AsyncIterator objects; they just return a Promise for the value of
// the final result produced by the iterator.
exports.async = function(innerFn, outerFn, self, tryLocsList, PromiseImpl) {
if (PromiseImpl === void 0) PromiseImpl = Promise;
var iter = new AsyncIterator(
wrap(innerFn, outerFn, self, tryLocsList),
PromiseImpl
);
return exports.isGeneratorFunction(outerFn)
? iter // If outerFn is a generator, return the full iterator.
: iter.next().then(function(result) {
return result.done ? result.value : iter.next();
});
};
function makeInvokeMethod(innerFn, self, context) {
var state = GenStateSuspendedStart;
return function invoke(method, arg) {
if (state === GenStateExecuting) {
throw new Error("Generator is already running");
}
if (state === GenStateCompleted) {
if (method === "throw") {
throw arg;
}
// Be forgiving, per 25.3.3.3.3 of the spec:
// https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume
return doneResult();
}
context.method = method;
context.arg = arg;
while (true) {
var delegate = context.delegate;
if (delegate) {
var delegateResult = maybeInvokeDelegate(delegate, context);
if (delegateResult) {
if (delegateResult === ContinueSentinel) continue;
return delegateResult;
}
}
if (context.method === "next") {
// Setting context._sent for legacy support of Babel's
// function.sent implementation.
context.sent = context._sent = context.arg;
} else if (context.method === "throw") {
if (state === GenStateSuspendedStart) {
state = GenStateCompleted;
throw context.arg;
}
context.dispatchException(context.arg);
} else if (context.method === "return") {
context.abrupt("return", context.arg);
}
state = GenStateExecuting;
var record = tryCatch(innerFn, self, context);
if (record.type === "normal") {
// If an exception is thrown from innerFn, we leave state ===
// GenStateExecuting and loop back for another invocation.
state = context.done
? GenStateCompleted
: GenStateSuspendedYield;
if (record.arg === ContinueSentinel) {
continue;
}
return {
value: record.arg,
done: context.done
};
} else if (record.type === "throw") {
state = GenStateCompleted;
// Dispatch the exception by looping back around to the
// context.dispatchException(context.arg) call above.
context.method = "throw";
context.arg = record.arg;
}
}
};
}
// Call delegate.iterator[context.method](context.arg) and handle the
// result, either by returning a { value, done } result from the
// delegate iterator, or by modifying context.method and context.arg,
// setting context.delegate to null, and returning the ContinueSentinel.
function maybeInvokeDelegate(delegate, context) {
var method = delegate.iterator[context.method];
if (method === undefined$1) {
// A .throw or .return when the delegate iterator has no .throw
// method always terminates the yield* loop.
context.delegate = null;
if (context.method === "throw") {
// Note: ["return"] must be used for ES3 parsing compatibility.
if (delegate.iterator["return"]) {
// If the delegate iterator has a return method, give it a
// chance to clean up.
context.method = "return";
context.arg = undefined$1;
maybeInvokeDelegate(delegate, context);
if (context.method === "throw") {
// If maybeInvokeDelegate(context) changed context.method from
// "return" to "throw", let that override the TypeError below.
return ContinueSentinel;
}
}
context.method = "throw";
context.arg = new TypeError(
"The iterator does not provide a 'throw' method");
}
return ContinueSentinel;
}
var record = tryCatch(method, delegate.iterator, context.arg);
if (record.type === "throw") {
context.method = "throw";
context.arg = record.arg;
context.delegate = null;
return ContinueSentinel;
}
var info = record.arg;
if (! info) {
context.method = "throw";
context.arg = new TypeError("iterator result is not an object");
context.delegate = null;
return ContinueSentinel;
}
if (info.done) {
// Assign the result of the finished delegate to the temporary
// variable specified by delegate.resultName (see delegateYield).
context[delegate.resultName] = info.value;
// Resume execution at the desired location (see delegateYield).
context.next = delegate.nextLoc;
// If context.method was "throw" but the delegate handled the
// exception, let the outer generator proceed normally. If
// context.method was "next", forget context.arg since it has been
// "consumed" by the delegate iterator. If context.method was
// "return", allow the original .return call to continue in the
// outer generator.
if (context.method !== "return") {
context.method = "next";
context.arg = undefined$1;
}
} else {
// Re-yield the result returned by the delegate method.
return info;
}
// The delegate iterator is finished, so forget it and continue with
// the outer generator.
context.delegate = null;
return ContinueSentinel;
}
// Define Generator.prototype.{next,throw,return} in terms of the
// unified ._invoke helper method.
defineIteratorMethods(Gp);
define(Gp, toStringTagSymbol, "Generator");
// A Generator should always return itself as the iterator object when the
// @@iterator function is called on it. Some browsers' implementations of the
// iterator prototype chain incorrectly implement this, causing the Generator
// object to not be returned from this call. This ensures that doesn't happen.
// See https://github.com/facebook/regenerator/issues/274 for more details.
define(Gp, iteratorSymbol, function() {
return this;
});
define(Gp, "toString", function() {
return "[object Generator]";
});
function pushTryEntry(locs) {
var entry = { tryLoc: locs[0] };
if (1 in locs) {
entry.catchLoc = locs[1];
}
if (2 in locs) {
entry.finallyLoc = locs[2];
entry.afterLoc = locs[3];
}
this.tryEntries.push(entry);
}
function resetTryEntry(entry) {
var record = entry.completion || {};
record.type = "normal";
delete record.arg;
entry.completion = record;
}
function Context(tryLocsList) {
// The root entry object (effectively a try statement without a catch
// or a finally block) gives us a place to store values thrown from
// locations where there is no enclosing try statement.
this.tryEntries = [{ tryLoc: "root" }];
tryLocsList.forEach(pushTryEntry, this);
this.reset(true);
}
exports.keys = function(object) {
var keys = [];
for (var key in object) {
keys.push(key);
}
keys.reverse();
// Rather than returning an object with a next method, we keep
// things simple and return the next function itself.
return function next() {
while (keys.length) {
var key = keys.pop();
if (key in object) {
next.value = key;
next.done = false;
return next;
}
}
// To avoid creating an additional object, we just hang the .value
// and .done properties off the next function object itself. This
// also ensures that the minifier will not anonymize the function.
next.done = true;
return next;
};
};
function values(iterable) {
if (iterable) {
var iteratorMethod = iterable[iteratorSymbol];
if (iteratorMethod) {
return iteratorMethod.call(iterable);
}
if (typeof iterable.next === "function") {
return iterable;
}
if (!isNaN(iterable.length)) {
var i = -1, next = function next() {
while (++i < iterable.length) {
if (hasOwn.call(iterable, i)) {
next.value = iterable[i];
next.done = false;
return next;
}
}
next.value = undefined$1;
next.done = true;
return next;
};
return next.next = next;
}
}
// Return an iterator with no values.
return { next: doneResult };
}
exports.values = values;
function doneResult() {
return { value: undefined$1, done: true };
}
Context.prototype = {
constructor: Context,
reset: function(skipTempReset) {
this.prev = 0;
this.next = 0;
// Resetting context._sent for legacy support of Babel's
// function.sent implementation.
this.sent = this._sent = undefined$1;
this.done = false;
this.delegate = null;
this.method = "next";
this.arg = undefined$1;
this.tryEntries.forEach(resetTryEntry);
if (!skipTempReset) {
for (var name in this) {
// Not sure about the optimal order of these conditions:
if (name.charAt(0) === "t" &&
hasOwn.call(this, name) &&
!isNaN(+name.slice(1))) {
this[name] = undefined$1;
}
}
}
},
stop: function() {
this.done = true;
var rootEntry = this.tryEntries[0];
var rootRecord = rootEntry.completion;
if (rootRecord.type === "throw") {
throw rootRecord.arg;
}
return this.rval;
},
dispatchException: function(exception) {
if (this.done) {
throw exception;
}
var context = this;
function handle(loc, caught) {
record.type = "throw";
record.arg = exception;
context.next = loc;
if (caught) {
// If the dispatched exception was caught by a catch block,
// then let that catch block handle the exception normally.
context.method = "next";
context.arg = undefined$1;
}
return !! caught;
}
for (var i = this.tryEntries.length - 1; i >= 0; --i) {
var entry = this.tryEntries[i];
var record = entry.completion;
if (entry.tryLoc === "root") {
// Exception thrown outside of any try block that could handle
// it, so set the completion value of the entire function to
// throw the exception.
return handle("end");
}
if (entry.tryLoc <= this.prev) {
var hasCatch = hasOwn.call(entry, "catchLoc");
var hasFinally = hasOwn.call(entry, "finallyLoc");
if (hasCatch && hasFinally) {
if (this.prev < entry.catchLoc) {
return handle(entry.catchLoc, true);
} else if (this.prev < entry.finallyLoc) {
return handle(entry.finallyLoc);
}
} else if (hasCatch) {
if (this.prev < entry.catchLoc) {
return handle(entry.catchLoc, true);
}
} else if (hasFinally) {
if (this.prev < entry.finallyLoc) {
return handle(entry.finallyLoc);
}
} else {
throw new Error("try statement without catch or finally");
}
}
}
},
abrupt: function(type, arg) {
for (var i = this.tryEntries.length - 1; i >= 0; --i) {
var entry = this.tryEntries[i];
if (entry.tryLoc <= this.prev &&
hasOwn.call(entry, "finallyLoc") &&
this.prev < entry.finallyLoc) {
var finallyEntry = entry;
break;
}
}
if (finallyEntry &&
(type === "break" ||
type === "continue") &&
finallyEntry.tryLoc <= arg &&
arg <= finallyEntry.finallyLoc) {
// Ignore the finally entry if control is not jumping to a
// location outside the try/catch block.
finallyEntry = null;
}
var record = finallyEntry ? finallyEntry.completion : {};
record.type = type;
record.arg = arg;
if (finallyEntry) {
this.method = "next";
this.next = finallyEntry.finallyLoc;
return ContinueSentinel;
}
return this.complete(record);
},
complete: function(record, afterLoc) {
if (record.type === "throw") {
throw record.arg;
}
if (record.type === "break" ||
record.type === "continue") {
this.next = record.arg;
} else if (record.type === "return") {
this.rval = this.arg = record.arg;
this.method = "return";
this.next = "end";
} else if (record.type === "normal" && afterLoc) {
this.next = afterLoc;
}
return ContinueSentinel;
},
finish: function(finallyLoc) {
for (var i = this.tryEntries.length - 1; i >= 0; --i) {
var entry = this.tryEntries[i];
if (entry.finallyLoc === finallyLoc) {
this.complete(entry.completion, entry.afterLoc);
resetTryEntry(entry);
return ContinueSentinel;
}
}
},
"catch": function(tryLoc) {
for (var i = this.tryEntries.length - 1; i >= 0; --i) {
var entry = this.tryEntries[i];
if (entry.tryLoc === tryLoc) {
var record = entry.completion;
if (record.type === "throw") {
var thrown = record.arg;
resetTryEntry(entry);
}
return thrown;
}
}
// The context.catch method must only be called with a location
// argument that corresponds to a known catch block.
throw new Error("illegal catch attempt");
},
delegateYield: function(iterable, resultName, nextLoc) {
this.delegate = {
iterator: values(iterable),
resultName: resultName,
nextLoc: nextLoc
};
if (this.method === "next") {
// Deliberately forget the last sent value so that we don't
// accidentally pass it on to the delegate.
this.arg = undefined$1;
}
return ContinueSentinel;
}
};
// Regardless of whether this script is executing as a CommonJS module
// or not, return the runtime object so that we can declare the variable
// regeneratorRuntime in the outer scope, which allows this module to be
// injected easily by `bin/regenerator --include-runtime script.js`.
return exports;
}(
// If this script is executing as a CommonJS module, use module.exports
// as the regeneratorRuntime namespace. Otherwise create a new empty
// object. Either way, the resulting object will be used to initialize
// the regeneratorRuntime variable at the top of this file.
module.exports
));
try {
regeneratorRuntime = runtime;
} catch (accidentalStrictMode) {
// This module should not be running in strict mode, so the above
// assignment should always work unless something is misconfigured. Just
// in case runtime.js accidentally runs in strict mode, in modern engines
// we can explicitly access globalThis. In older engines we can escape
// strict mode using a global Function call. This could conceivably fail
// if a Content Security Policy forbids using Function, but in that case
// the proper solution is to fix the accidental strict mode problem. If
// you've misconfigured your bundler to force strict mode and applied a
// CSP to forbid Function, and you're not willing to fix either of those
// problems, please detail your unique predicament in a GitHub issue.
if (typeof globalThis === "object") {
globalThis.regeneratorRuntime = runtime;
} else {
Function("r", "regeneratorRuntime = r")(runtime);
}
}
});
var ERC20 = [
{
constant: true,
inputs: [
],
name: "decimals",
outputs: [
{
name: "",
type: "uint8"
}
],
payable: false,
stateMutability: "view",
type: "function"
},
{
constant: true,
inputs: [
{
name: "",
type: "address"
}
],
name: "balanceOf",
outputs: [
{
name: "",
type: "uint256"
}
],
payable: false,
stateMutability: "view",
type: "function"
}
];
var _TOKEN_DECIMALS_CACHE;
var TOKEN_DECIMALS_CACHE = (_TOKEN_DECIMALS_CACHE = {}, _TOKEN_DECIMALS_CACHE[ChainId.AVALANCHE] = {
'0x5ce9680bddc91d955a51b959f5cabaf466b0be5a': 18
}, _TOKEN_DECIMALS_CACHE);
/**
* Contains methods for constructing instances of pairs and tokens from on-chain data.
*/
var Fetcher = /*#__PURE__*/function () {
/**
* Cannot be constructed.
*/
function Fetcher() {}
/**
* Fetch information for a given token on the given chain, using the given ethers provider.
* @param chainId chain of the token
* @param address address of the token on the chain
* @param provider provider used to fetch the token
* @param symbol optional symbol of the token
* @param name optional name of the token
*/
Fetcher.fetchTokenData =
/*#__PURE__*/
function () {
var _fetchTokenData = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/runtime_1.mark(function _callee(chainId, address, provider, symbol, name) {
var _TOKEN_DECIMALS_CACHE2, _TOKEN_DECIMALS_CACHE3;
var parsedDecimals;
return runtime_1.wrap(function _callee$(_context) {
while (1) {
switch (_context.prev = _context.next) {
case 0:
if (provider === void 0) {
provider = /*#__PURE__*/getDefaultProvider( /*#__PURE__*/getNetwork(chainId));
}
if (!(typeof ((_TOKEN_DECIMALS_CACHE2 = TOKEN_DECIMALS_CACHE) == null ? void 0 : (_TOKEN_DECIMALS_CACHE3 = _TOKEN_DECIMALS_CACHE2[chainId]) == null ? void 0 : _TOKEN_DECIMALS_CACHE3[address]) === 'number')) {
_context.next = 5;
break;
}
_context.t0 = TOKEN_DECIMALS_CACHE[chainId][address];
_context.next = 8;
break;
case 5:
_context.next = 7;
return new Contract(address, ERC20, provider).decimals().then(function (decimals) {
var _TOKEN_DECIMALS_CACHE4, _extends2, _extends3;
TOKEN_DECIMALS_CACHE = _extends({}, TOKEN_DECIMALS_CACHE, (_extends3 = {}, _extends3[chainId] = _extends({}, (_TOKEN_DECIMALS_CACHE4 = TOKEN_DECIMALS_CACHE) == null ? void 0 : _TOKEN_DECIMALS_CACHE4[chainId], (_extends2 = {}, _extends2[address] = decimals, _extends2)), _extends3));
return decimals;
});
case 7:
_context.t0 = _context.sent;
case 8:
parsedDecimals = _context.t0;
return _context.abrupt("return", new Token(chainId, address, parsedDecimals, symbol, name));
case 10:
case "end":
return _context.stop();
}
}
}, _callee);
}));
function fetchTokenData(_x, _x2, _x3, _x4, _x5) {
return _fetchTokenData.apply(this, arguments);
}
return fetchTokenData;
}()
/**
* Fetches information about a pair and constructs a pair from the given two tokens.
* @param tokenA first token
* @param tokenB second token
* @param provider the provider to use to fetch the data
*/
;
Fetcher.fetchPairData =
/*#__PURE__*/
function () {
var _fetchPairData = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/runtime_1.mark(function _callee2(tokenA, tokenB, provider) {
var address, _yield$Contract$getRe, reserves0, reserves1, balances;
return runtime_1.wrap(function _callee2$(_context2) {
while (1) {
switch (_context2.prev = _context2.next) {
case 0:
if (provider === void 0) {
provider = /*#__PURE__*/getDefaultProvider( /*#__PURE__*/getNetwork(tokenA.chainId));
}
!(tokenA.chainId === tokenB.chainId) ? process.env.NODE_ENV !== "production" ? invariant(false, 'CHAIN_ID') : invariant(false) : void 0;
address = Pair.getAddress(tokenA, tokenB);
_context2.next = 5;
return new Contract(address, IMoonwalkerPair.abi, provider).getReserves();
case 5:
_yield$Contract$getRe = _context2.sent;
reserves0 = _yield$Contract$getRe[0];
reserves1 = _yield$Contract$getRe[1];
balances = tokenA.sortsBefore(tokenB) ? [reserves0, reserves1] : [reserves1, reserves0];
return _context2.abrupt("return", new Pair(new TokenAmount(tokenA, balances[0]), new TokenAmount(tokenB, balances[1])));
case 10:
case "end":
return _context2.stop();
}
}
}, _callee2);
}));
function fetchPairData(_x6, _x7, _x8) {
return _fetchPairData.apply(this, arguments);
}
return fetchPairData;
}();
return Fetcher;
}();
export { ChainId, Currency, CurrencyAmount, ETHER, FACTORY_ADDRESS, Fetcher, Fraction, INIT_CODE_HASH, InsufficientInputAmountError, InsufficientReservesError, MINIMUM_LIQUIDITY, Pair, Percent, Price, Rounding, Route, Router, Token, TokenAmount, Trade, TradeType, WETH, currencyEquals, inputOutputComparator, tradeComparator };
//# sourceMappingURL=moonwalkerswap-avalanche-sdk.esm.js.map