@uniswap/smart-order-router
Version:
Uniswap Smart Order Router
81 lines • 6.64 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.CachedRoute = void 0;
const router_sdk_1 = require("@uniswap/router-sdk");
const v2_sdk_1 = require("@uniswap/v2-sdk");
const v3_sdk_1 = require("@uniswap/v3-sdk");
const v4_sdk_1 = require("@uniswap/v4-sdk");
const util_1 = require("../../../../util");
/**
* Class defining the route to cache
*
* @export
* @class CachedRoute
*/
class CachedRoute {
/**
* @param route
* @param percent
*/
constructor({ route, percent }) {
// Hashing function copying the same implementation as Java's `hashCode`
// Sourced from: https://gist.github.com/hyamamoto/fd435505d29ebfa3d9716fd2be8d42f0?permalink_comment_id=4613539#gistcomment-4613539
this.hashCode = (str) => [...str].reduce((s, c) => (Math.imul(31, s) + c.charCodeAt(0)) | 0, 0);
this.route = route;
this.percent = percent;
}
get protocol() {
return this.route.protocol;
}
get currencyIn() {
return this.route.input;
}
get currencyOut() {
return this.route.output;
}
get routePath() {
switch (this.protocol) {
case router_sdk_1.Protocol.V4:
return this.route.pools
.map((pool) => `[V4]${(0, util_1.getAddress)(pool.token0)}/${(0, util_1.getAddress)(pool.token1)}`)
.join('->');
case router_sdk_1.Protocol.V3:
return this.route.pools
.map((pool) => `[V3]${pool.token0.address}/${pool.token1.address}/${pool.fee}`)
.join('->');
case router_sdk_1.Protocol.V2:
return this.route.pairs
.map((pair) => `[V2]${pair.token0.address}/${pair.token1.address}`)
.join('->');
case router_sdk_1.Protocol.MIXED:
return this.route.pools
.map((pool) => {
if (pool instanceof v4_sdk_1.Pool) {
// TODO: ROUTE-217 - Support native currency routing in V4
return `[V4]${pool.token0.isToken
? pool.token0.wrapped.address
: pool.token0.symbol}/${pool.token1.isToken
? pool.token1.wrapped.address
: pool.token1.symbol}`;
}
else if (pool instanceof v3_sdk_1.Pool) {
return `[V3]${pool.token0.address}/${pool.token1.address}/${pool.fee}`;
}
else if (pool instanceof v2_sdk_1.Pair) {
return `[V2]${pool.token0.address}/${pool.token1.address}`;
}
else {
throw new Error(`Unsupported pool type ${JSON.stringify(pool)}`);
}
})
.join('->');
default:
throw new Error(`Unsupported protocol ${this.protocol}`);
}
}
get routeId() {
return this.hashCode(this.routePath);
}
}
exports.CachedRoute = CachedRoute;
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