@maxosllc/smart-order-router
Version:
BlockDAG Smart Order Router
162 lines • 13.2 kB
JavaScript
import { ChainId } from '../../../src/util/chains';
import { Pair } from '@uniswap/v2-sdk';
import _ from 'lodash';
import { WRAPPED_NATIVE_CURRENCY } from '../../util/chains';
import { log } from '../../util/log';
import { ARB_ARBITRUM, BTC_BNB, BUSD_BNB, CELO, CEUR_CELO, CUSD_CELO, DAI_ARBITRUM, DAI_AVAX, DAI_BNB, DAI_CELO, DAI_MAINNET, DAI_MOONBEAM, DAI_OPTIMISM, DAI_UNICHAIN, ETH_BNB, OP_OPTIMISM, USDB_BLAST, USDCE_ZKSYNC, USDC_ARBITRUM, USDC_AVAX, USDC_BASE, USDC_BASE_SEPOLIA, USDC_BNB, USDC_MAINNET, USDC_MOONBEAM, USDC_NATIVE_ARBITRUM, USDC_OPTIMISM, USDC_POLYGON, USDC_SONEIUM, USDC_UNICHAIN, USDC_UNICHAIN_SEPOLIA, USDC_WORLDCHAIN, USDC_ZKSYNC, USDT_ARBITRUM, USDT_BNB, USDT_MAINNET, USDT_MONAD_TESTNET, USDT_OPTIMISM, WBTC_ARBITRUM, WBTC_MAINNET, WBTC_MOONBEAM, WBTC_OPTIMISM, WBTC_WORLDCHAIN, WETH_POLYGON, WLD_WORLDCHAIN, WMATIC_POLYGON, WSTETH_MAINNET, USDT_BLOCKDAG_TESTNET, } from '../token-provider';
const BASES_TO_CHECK_TRADES_AGAINST = {
[]: [
WRAPPED_NATIVE_CURRENCY[ChainId.MAINNET],
DAI_MAINNET,
USDC_MAINNET,
USDT_MAINNET,
WBTC_MAINNET,
WSTETH_MAINNET,
],
[]: [WRAPPED_NATIVE_CURRENCY[ChainId.GOERLI]],
[]: [WRAPPED_NATIVE_CURRENCY[ChainId.SEPOLIA]],
//v2 not deployed on [arbitrum, polygon, celo, gnosis, moonbeam, bnb, avalanche] and their testnets
[]: [
WRAPPED_NATIVE_CURRENCY[ChainId.OPTIMISM],
USDC_OPTIMISM,
DAI_OPTIMISM,
USDT_OPTIMISM,
WBTC_OPTIMISM,
OP_OPTIMISM,
],
[]: [
WRAPPED_NATIVE_CURRENCY[ChainId.ARBITRUM_ONE],
WBTC_ARBITRUM,
DAI_ARBITRUM,
USDC_ARBITRUM,
USDC_NATIVE_ARBITRUM,
USDT_ARBITRUM,
ARB_ARBITRUM,
],
[]: [],
[]: [],
[]: [],
[]: [],
[]: [USDC_POLYGON, WETH_POLYGON, WMATIC_POLYGON],
[]: [],
[]: [CELO, CUSD_CELO, CEUR_CELO, DAI_CELO],
[]: [],
[]: [],
[]: [
WRAPPED_NATIVE_CURRENCY[ChainId.MOONBEAM],
DAI_MOONBEAM,
USDC_MOONBEAM,
WBTC_MOONBEAM,
],
[]: [
WRAPPED_NATIVE_CURRENCY[ChainId.BNB],
BUSD_BNB,
DAI_BNB,
USDC_BNB,
USDT_BNB,
BTC_BNB,
ETH_BNB,
],
[]: [
WRAPPED_NATIVE_CURRENCY[ChainId.AVALANCHE],
USDC_AVAX,
DAI_AVAX,
],
[]: [],
[]: [WRAPPED_NATIVE_CURRENCY[ChainId.BASE], USDC_BASE],
[]: [WRAPPED_NATIVE_CURRENCY[ChainId.ZORA]],
[]: [WRAPPED_NATIVE_CURRENCY[ChainId.ZORA_SEPOLIA]],
[]: [WRAPPED_NATIVE_CURRENCY[ChainId.ROOTSTOCK]],
[]: [WRAPPED_NATIVE_CURRENCY[ChainId.BLAST], USDB_BLAST],
[]: [
WRAPPED_NATIVE_CURRENCY[ChainId.ZKSYNC],
USDCE_ZKSYNC,
USDC_ZKSYNC,
],
[]: [
WRAPPED_NATIVE_CURRENCY[ChainId.WORLDCHAIN],
USDC_WORLDCHAIN,
WLD_WORLDCHAIN,
WBTC_WORLDCHAIN,
],
[]: [
WRAPPED_NATIVE_CURRENCY[ChainId.UNICHAIN_SEPOLIA],
USDC_UNICHAIN_SEPOLIA,
],
[]: [
WRAPPED_NATIVE_CURRENCY[ChainId.UNICHAIN],
DAI_UNICHAIN,
USDC_UNICHAIN,
],
[]: [
WRAPPED_NATIVE_CURRENCY[ChainId.MONAD_TESTNET],
USDT_MONAD_TESTNET,
],
[]: [
WRAPPED_NATIVE_CURRENCY[ChainId.BASE_SEPOLIA],
USDC_BASE_SEPOLIA,
],
[]: [WRAPPED_NATIVE_CURRENCY[ChainId.SONEIUM], USDC_SONEIUM],
[]: [
WRAPPED_NATIVE_CURRENCY[ChainId.BLOCKDAG_TESTNET],
USDT_BLOCKDAG_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
*/
export class StaticV2SubgraphProvider {
constructor(chainId) {
this.chainId = chainId;
}
async getPools(tokenIn, tokenOut) {
log.info('In static subgraph provider for V2');
const bases = BASES_TO_CHECK_TRADES_AGAINST[this.chainId];
const basePairs = _.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 = _(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 = _(pairs)
.map(([tokenA, tokenB]) => {
const poolAddress = Pair.getAddress(tokenA, tokenB);
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;
}
}
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