@uniswap/smart-order-router
Version:
Uniswap Smart Order Router
81 lines • 4.74 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.CachedRoutes = void 0;
const lodash_1 = __importDefault(require("lodash"));
const cached_route_1 = require("./cached-route");
/**
* Class defining the route to cache
*
* @export
* @class CachedRoute
*/
class CachedRoutes {
/**
* @param routes
* @param chainId
* @param currencyIn
* @param currencyOut
* @param protocolsCovered
* @param blockNumber
* @param tradeType
* @param originalAmount
* @param blocksToLive
*/
constructor({ routes, chainId, currencyIn, currencyOut, protocolsCovered, blockNumber, tradeType, originalAmount, blocksToLive = 0, }) {
this.routes = routes;
this.chainId = chainId;
this.currencyIn = currencyIn;
this.currencyOut = currencyOut;
this.protocolsCovered = protocolsCovered;
this.blockNumber = blockNumber;
this.tradeType = tradeType;
this.originalAmount = originalAmount;
this.blocksToLive = blocksToLive;
}
/**
* Factory method that creates a `CachedRoutes` object from an array of RouteWithValidQuote.
*
* @public
* @static
* @param routes
* @param chainId
* @param currencyIn
* @param currencyOut
* @param protocolsCovered
* @param blockNumber
* @param tradeType
* @param originalAmount
*/
static fromRoutesWithValidQuotes(routes, chainId, currencyIn, currencyOut, protocolsCovered, blockNumber, tradeType, originalAmount) {
if (routes.length == 0)
return undefined;
const cachedRoutes = lodash_1.default.map(routes, (route) => new cached_route_1.CachedRoute({ route: route.route, percent: route.percent }));
return new CachedRoutes({
routes: cachedRoutes,
chainId,
currencyIn,
currencyOut,
protocolsCovered,
blockNumber,
tradeType,
originalAmount,
});
}
/**
* Function to determine if, given a block number, the CachedRoute is expired or not.
*
* @param currentBlockNumber
* @param optimistic
*/
notExpired(currentBlockNumber, optimistic = false) {
// When it's not optimistic, we only allow the route of the existing block.
const blocksToLive = optimistic ? this.blocksToLive : 0;
const blocksDifference = currentBlockNumber - this.blockNumber;
return blocksDifference <= blocksToLive;
}
}
exports.CachedRoutes = CachedRoutes;
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