@xspswap/smart-order-router
Version:
XSwap Protocol V3 Smart Order Router
299 lines • 27 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.MixedQuoter = void 0;
const router_sdk_1 = require("@x-swap-protocol/router-sdk");
const sdk_core_1 = require("@x-swap-protocol/sdk-core");
const v3_sdk_1 = require("@x-swap-protocol/v3-sdk");
const lodash_1 = __importDefault(require("lodash"));
const providers_1 = require("../../../providers");
const static_subgraph_provider_1 = require("../../../providers/v2-fathom/static-subgraph-provider");
const static_subgraph_provider_v3_uni_1 = require("../../../providers/v3/static-subgraph-provider-v3-uni");
const util_1 = require("../../../util");
const entities_1 = require("../entities");
const compute_all_routes_1 = require("../functions/compute-all-routes");
const base_quoter_1 = require("./base-quoter");
const hasUniV3Pool = (route) => route.pools.some((pool) => pool instanceof v3_sdk_1.Pool && pool.factory);
let paths = [];
const recFinder = (path, used, lastToken, dest, hops) => {
const hop = path.length;
if (hop < hops) {
if (!lastToken) {
return;
}
const additionalV3 = providers_1.V3_XDC_ADDITIONAL_BASES[lastToken.address];
const additionalV3Uni = static_subgraph_provider_v3_uni_1.Uni_V3_XDC_ADDITIONAL_BASES[lastToken.address];
const additionalV2 = providers_1.V2_XDC_ADDITIONAL_BASES[lastToken.address];
const additionalV2Fathom = static_subgraph_provider_1.FATHOM_V2_XDC_ADDITIONAL_BASES[lastToken.address];
if (additionalV3) {
for (const ad of additionalV3) {
const adToken = ad;
const newPair = [
lastToken,
...adToken,
router_sdk_1.Protocol.V3,
];
const newPath = [...path, newPair];
if (adToken[0].address === dest.address) {
paths.push(newPath);
continue;
}
// const id = `${adToken[0].address}-${dest.address}-${adToken[1]}`
const id = adToken[0].address;
if (!used[id]) {
recFinder(newPath, Object.assign(Object.assign({}, used), { [id]: true }), adToken[0], dest, hops);
}
}
}
if (additionalV3Uni) {
for (const ad of additionalV3Uni) {
const adToken = ad;
const newPair = [
lastToken,
...adToken,
router_sdk_1.Protocol.UNI_V3,
];
const newPath = [...path, newPair];
if (adToken[0].address === dest.address) {
paths.push(newPath);
continue;
}
// const id = `${adToken[0].address}-${dest.address}-${adToken[1]}`
const id = adToken[0].address;
if (!used[id]) {
recFinder(newPath, Object.assign(Object.assign({}, used), { [id]: true }), adToken[0], dest, hops);
}
}
}
if (additionalV2) {
for (const ad of additionalV2) {
const adToken = ad;
const newPair = [lastToken, adToken];
const newPath = [...path, newPair];
if (adToken.address === dest.address) {
paths.push(newPath);
continue;
}
// const id = `${adToken.address}-${dest.address}`
const id = adToken.address;
if (!used[id]) {
recFinder(newPath, Object.assign(Object.assign({}, used), { [id]: true }), adToken, dest, hops);
}
}
}
if (additionalV2Fathom) {
for (const ad of additionalV2Fathom) {
const adToken = ad;
const newPair = [lastToken, adToken];
const newPath = [...path, newPair];
if (adToken.address === dest.address) {
paths.push(newPath);
continue;
}
// const id = `${adToken.address}-${dest.address}`
const id = adToken.address;
if (!used[id]) {
recFinder(newPath, Object.assign(Object.assign({}, used), { [id]: true }), adToken, dest, hops);
}
}
}
}
};
class MixedQuoter extends base_quoter_1.BaseQuoter {
constructor(v3SubgraphProvider, v3PoolProvider, v3UniPoolProvider, v2SubgraphProvider, v2PoolProvider, onChainQuoteProvider, tokenProvider, chainId, blockedTokenListProvider, tokenValidatorProvider) {
super(tokenProvider, chainId, router_sdk_1.Protocol.MIXED, blockedTokenListProvider, tokenValidatorProvider);
this.v3SubgraphProvider = v3SubgraphProvider;
this.v3PoolProvider = v3PoolProvider;
this.v3UniPoolProvider = v3UniPoolProvider;
this.v2SubgraphProvider = v2SubgraphProvider;
this.v2PoolProvider = v2PoolProvider;
this.onChainQuoteProvider = onChainQuoteProvider;
}
async getRoutes(tokenIn, tokenOut, tradeType, routingConfig) {
paths = [];
if (tradeType != sdk_core_1.TradeType.EXACT_INPUT) {
throw new Error('Mixed route quotes are not supported for EXACT_OUTPUT');
}
// const {
// V2poolAccessor,
// V3poolAccessor,
// candidatePools: mixedRouteCandidatePools,
// } = await getMixedRouteCandidatePools({
// tokenIn,
// tokenOut,
// tokenProvider: this.tokenProvider,
// blockedTokenListProvider: this.blockedTokenListProvider,
// v3poolProvider: this.v3PoolProvider,
// v2poolProvider: this.v2PoolProvider,
// routeType: tradeType,
// v3subgraphProvider: this.v3SubgraphProvider,
// v2subgraphProvider: this.v2SubgraphProvider,
// routingConfig,
// chainId: this.chainId,
// });
// const V3poolsRaw = V3poolAccessor.getAllPools();
// const V2poolsRaw = V2poolAccessor.getAllPools();
//
// const poolsRaw = [...V3poolsRaw, ...V2poolsRaw];
// const candidatePools = mixedRouteCandidatePools;
// Drop any pools that contain fee on transfer tokens (not supported by v3) or have issues with being transferred.
// const pools = await this.applyTokenValidatorToPools(
// poolsRaw,
// (
// token: Currency,
// tokenValidation: TokenValidationResult | undefined
// ): boolean => {
// // If there is no available validation result we assume the token is fine.
// if (!tokenValidation) {
// return false;
// }
//
// // Only filters out *intermediate* pools that involve tokens that we detect
// // cant be transferred. This prevents us trying to route through tokens that may
// // not be transferrable, but allows users to still swap those tokens if they
// // specify.
// //
// if (
// tokenValidation == TokenValidationResult.STF &&
// (token.equals(tokenIn) || token.equals(tokenOut))
// ) {
// return false;
// }
//
// return (
// tokenValidation == TokenValidationResult.FOT ||
// tokenValidation == TokenValidationResult.STF
// );
// }
// );
// vot tut nado v pools insert all needed pools and pairs
recFinder([], { [tokenIn.address]: true }, tokenIn, tokenOut, 5);
// console.log(
// paths.map((path) =>
// path
// .map(
// (p) => `(${p[2]?'V3':'V2'} ${p[0].symbol} - ${p[1].symbol} : ${p[2] ? p[2] / 10000 : '0.3'}% )`
// )
// .join(' --> ')
// )
// );
const uniquePools = {};
const uniquePairs = {};
paths.forEach((path) => {
path.forEach((pool) => {
if (pool[2]) {
const protocol = pool[3];
const id = `${protocol}-${pool[0].address}-${pool[1].address}-${pool[2]}`;
uniquePools[id] = pool;
}
else {
const id = `${pool[0].address}-${pool[1].address}`;
uniquePairs[id] = pool;
}
});
});
const directV3 = tokenIn && tokenOut
? [
[tokenIn, tokenOut, v3_sdk_1.FeeAmount.LOWEST, router_sdk_1.Protocol.V3],
[tokenIn, tokenOut, v3_sdk_1.FeeAmount.LOW, router_sdk_1.Protocol.V3],
[tokenIn, tokenOut, v3_sdk_1.FeeAmount.MEDIUM, router_sdk_1.Protocol.V3],
[tokenIn, tokenOut, v3_sdk_1.FeeAmount.HIGH, router_sdk_1.Protocol.V3],
[tokenIn, tokenOut, v3_sdk_1.FeeAmount.LOWEST, router_sdk_1.Protocol.UNI_V3],
[tokenIn, tokenOut, v3_sdk_1.FeeAmount.LOW, router_sdk_1.Protocol.UNI_V3],
[tokenIn, tokenOut, v3_sdk_1.FeeAmount.MEDIUM, router_sdk_1.Protocol.UNI_V3],
[tokenIn, tokenOut, v3_sdk_1.FeeAmount.HIGH, router_sdk_1.Protocol.UNI_V3],
]
: [];
const poolsPaths = [...Object.values(uniquePools), ...directV3];
const xswapV3PoolsPaths = poolsPaths
.filter((pool) => pool[3] === router_sdk_1.Protocol.V3)
.map((pool) => [pool[0], pool[1], pool[2]]);
const uniV3PoolsPaths = poolsPaths
.filter((pool) => pool[3] === router_sdk_1.Protocol.UNI_V3)
.map((pool) => [pool[0], pool[1], pool[2]]);
const directV2 = tokenIn && tokenOut ? [[tokenIn, tokenOut]] : [];
const pairsPaths = [...Object.values(uniquePairs), ...directV2];
const [xswapPoolAccessor, uniPoolAccessor, pairAccessor] = await Promise.all([
this.v3PoolProvider.getPools(xswapV3PoolsPaths),
this.v3UniPoolProvider.getPools(uniV3PoolsPaths),
this.v2PoolProvider.getPools(pairsPaths),
]);
const pools = [
...xswapPoolAccessor.getAllPools(),
...uniPoolAccessor.getAllPools(),
];
const pairs = pairAccessor.getAllPools();
const poolsAndPairs = [...pairs, ...pools];
const { maxSwapsPerPath } = routingConfig;
const routes = (0, compute_all_routes_1.computeAllMixedRoutes)(tokenIn, tokenOut, poolsAndPairs, maxSwapsPerPath);
return {
routes,
};
}
async getQuotes(routes, amounts, percents, quoteToken, tradeType, routingConfig, candidatePools, gasModel) {
util_1.log.info('Starting to get mixed quotes');
if (gasModel === undefined) {
throw new Error('GasModel for MixedRouteWithValidQuote is required to getQuotes');
}
if (routes.length == 0) {
return { routesWithValidQuotes: [], candidatePools };
}
// For all our routes, and all the fractional amounts, fetch quotes on-chain.
const quoteFn = this.onChainQuoteProvider.getQuotesManyExactIn.bind(this.onChainQuoteProvider);
const beforeQuotes = Date.now();
util_1.log.info(`Getting quotes for mixed for ${routes.length} routes with ${amounts.length} amounts per route.`);
const routeGroups = lodash_1.default.partition(routes, hasUniV3Pool);
const quoteResults = await Promise.all(routeGroups
.filter((routeGroup) => routeGroup.length > 0)
.map((routeGroup) => quoteFn(amounts, routeGroup, {
blockNumber: routingConfig.blockNumber,
})));
const routesWithQuotes = lodash_1.default.flatMap(quoteResults, (quoteResult) => quoteResult.routesWithQuotes);
util_1.metric.putMetric('MixedQuotesLoad', Date.now() - beforeQuotes, util_1.MetricLoggerUnit.Milliseconds);
util_1.metric.putMetric('MixedQuotesFetched', (0, lodash_1.default)(routesWithQuotes)
.map(([, quotes]) => quotes.length)
.sum(), util_1.MetricLoggerUnit.Count);
const routesWithValidQuotes = [];
for (const routeWithQuote of routesWithQuotes) {
const [route, quotes] = routeWithQuote;
for (let i = 0; i < quotes.length; i++) {
const percent = percents[i];
const amountQuote = quotes[i];
const { quote, amount, sqrtPriceX96AfterList, initializedTicksCrossedList, gasEstimate, } = amountQuote;
if (!quote ||
!sqrtPriceX96AfterList ||
!initializedTicksCrossedList ||
!gasEstimate) {
util_1.log.debug({
route: (0, util_1.routeToString)(route),
amountQuote,
}, 'Dropping a null mixed quote for route.');
continue;
}
const routeWithValidQuote = new entities_1.MixedRouteWithValidQuote({
route,
rawQuote: quote,
amount,
percent,
sqrtPriceX96AfterList,
initializedTicksCrossedList,
quoterGasEstimate: gasEstimate,
mixedRouteGasModel: gasModel,
quoteToken,
tradeType,
v3PoolProvider: this.v3PoolProvider,
v2PoolProvider: this.v2PoolProvider,
});
routesWithValidQuotes.push(routeWithValidQuote);
}
}
return {
routesWithValidQuotes,
candidatePools,
};
}
}
exports.MixedQuoter = MixedQuoter;
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