@sky-mavis/smart-order-router
Version:
Ronin Swap Smart Order Router
89 lines • 8.15 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.StaticV3SubgraphProvider = void 0;
/* eslint-disable @typescript-eslint/no-non-null-assertion */
const katana_core_1 = require("@sky-mavis/katana-core");
const v3_sdk_1 = require("@uniswap/v3-sdk");
const jsbi_1 = __importDefault(require("jsbi"));
const lodash_1 = __importDefault(require("lodash"));
const gas_model_1 = require("../../routers/alpha-router/gas-models/gas-model");
const amounts_1 = require("../../util/amounts");
const chains_1 = require("../../util/chains");
const log_1 = require("../../util/log");
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 uses a hardcoded list of V3 pools to generate a list of subgraph pools.
*
* Since the pools are hardcoded and the data does not come from the Subgraph, the TVL 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 StaticV3SubgraphProvider
*/
class StaticV3SubgraphProvider {
constructor(chainId, poolProvider) {
this.chainId = chainId;
this.poolProvider = poolProvider;
}
async getPools(tokenIn, tokenOut, providerConfig) {
log_1.log.info('In static subgraph provider for V3');
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))
.flatMap(([tokenA, tokenB]) => {
return [
[tokenA, tokenB, v3_sdk_1.FeeAmount.LOWEST],
[tokenA, tokenB, v3_sdk_1.FeeAmount.LOW],
[tokenA, tokenB, v3_sdk_1.FeeAmount.MEDIUM],
[tokenA, tokenB, v3_sdk_1.FeeAmount.HIGH],
];
})
.value();
log_1.log.info(`V3 Static subgraph provider about to get ${pairs.length} pools on-chain`);
const poolAccessor = await this.poolProvider.getPools(pairs, providerConfig);
const pools = poolAccessor.getAllPools();
const poolAddressSet = new Set();
const subgraphPools = (0, lodash_1.default)(pools)
.map(pool => {
const { token0, token1, fee, liquidity } = pool;
const poolAddress = v3_sdk_1.Pool.getAddress(pool.token0, pool.token1, pool.fee, katana_core_1.KATANA_V3_INIT_CODE_HASH[pool.chainId], katana_core_1.V3_CORE_FACTORY_ADDRESSES[pool.chainId]);
if (poolAddressSet.has(poolAddress)) {
return undefined;
}
poolAddressSet.add(poolAddress);
const liquidityNumber = jsbi_1.default.toNumber(liquidity);
return {
id: poolAddress,
feeTier: (0, amounts_1.unparseFeeAmount)(fee),
liquidity: liquidity.toString(),
token0: {
id: token0.address,
},
token1: {
id: token1.address,
},
// As a very rough proxy we just use liquidity for TVL.
tvlETH: liquidityNumber,
tvlUSD: liquidityNumber,
};
})
.compact()
.value();
return subgraphPools;
}
}
exports.StaticV3SubgraphProvider = StaticV3SubgraphProvider;
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