@sky-mavis/smart-order-router
Version:
Ronin Swap Smart Order Router
72 lines • 6.16 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.StaticV2SubgraphProvider = void 0;
const katana_core_1 = require("@sky-mavis/katana-core");
const lodash_1 = __importDefault(require("lodash"));
const chains_1 = require("../../util/chains");
const log_1 = require("../../util/log");
const gas_model_1 = require("../../routers/alpha-router/gas-models/gas-model");
const BASES_TO_CHECK_TRADES_AGAINST = {
[katana_core_1.ChainId.mainnet]: [chains_1.WRAPPED_NATIVE_CURRENCY[katana_core_1.ChainId.mainnet], gas_model_1.USDC_RONIN_MAINNET],
[katana_core_1.ChainId.testnet]: [chains_1.WRAPPED_NATIVE_CURRENCY[katana_core_1.ChainId.testnet], gas_model_1.USDC_RONIN_TESTNET],
};
/**
* Provider that does not get data from an external source and instead returns
* a hardcoded list of Subgraph pools.
*
* Since the pools are hardcoded, the liquidity/price values are dummys and should not
* be depended on.
*
* Useful for instances where other data sources are unavailable. E.g. subgraph not available.
*
* @export
* @class StaticV2SubgraphProvider
*/
class StaticV2SubgraphProvider {
constructor(chainId) {
this.chainId = chainId;
}
async getPools(tokenIn, tokenOut) {
log_1.log.info('In static subgraph provider for V2');
const bases = BASES_TO_CHECK_TRADES_AGAINST[this.chainId];
const basePairs = lodash_1.default.flatMap(bases, (base) => bases.map(otherBase => [base, otherBase]));
if (tokenIn && tokenOut) {
basePairs.push([tokenIn, tokenOut], ...bases.map((base) => [tokenIn, base]), ...bases.map((base) => [tokenOut, base]));
}
const pairs = (0, lodash_1.default)(basePairs)
.filter((tokens) => Boolean(tokens[0] && tokens[1]))
.filter(([tokenA, tokenB]) => tokenA.address !== tokenB.address && !tokenA.equals(tokenB))
.value();
const poolAddressSet = new Set();
const subgraphPools = (0, lodash_1.default)(pairs)
.map(([tokenA, tokenB]) => {
const poolAddress = (0, katana_core_1.computePairAddress)({ tokenA, tokenB, chainId: this.chainId });
if (poolAddressSet.has(poolAddress)) {
return undefined;
}
poolAddressSet.add(poolAddress);
const [token0, token1] = tokenA.sortsBefore(tokenB) ? [tokenA, tokenB] : [tokenB, tokenA];
return {
id: poolAddress,
liquidity: '100',
token0: {
id: token0.address,
},
token1: {
id: token1.address,
},
supply: 100,
reserve: 100,
reserveUSD: 100,
};
})
.compact()
.value();
return subgraphPools;
}
}
exports.StaticV2SubgraphProvider = StaticV2SubgraphProvider;
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