@uniswap/smart-order-router
Version:
Uniswap Smart Order Router
230 lines • 19.5 kB
JavaScript
"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.CachingTokenProviderWithFallback = exports.CACHE_SEED_TOKENS = void 0;
const sdk_core_1 = require("@uniswap/sdk-core");
const lodash_1 = __importDefault(require("lodash"));
const util_1 = require("../util");
const token_provider_1 = require("./token-provider");
// These tokens will added to the Token cache on initialization.
exports.CACHE_SEED_TOKENS = {
[sdk_core_1.ChainId.MAINNET]: {
WETH: util_1.WRAPPED_NATIVE_CURRENCY[sdk_core_1.ChainId.MAINNET],
USDC: token_provider_1.USDC_MAINNET,
USDT: token_provider_1.USDT_MAINNET,
WBTC: token_provider_1.WBTC_MAINNET,
DAI: token_provider_1.DAI_MAINNET,
// This token stores its symbol as bytes32, therefore can not be fetched on-chain using
// our token providers.
// This workaround adds it to the cache, so we won't try to fetch it on-chain.
RING: new sdk_core_1.Token(sdk_core_1.ChainId.MAINNET, '0x9469D013805bFfB7D3DEBe5E7839237e535ec483', 18, 'RING', 'RING'),
},
[sdk_core_1.ChainId.SEPOLIA]: {
USDC: token_provider_1.USDC_SEPOLIA,
},
[sdk_core_1.ChainId.OPTIMISM]: {
USDC: token_provider_1.USDC_OPTIMISM,
USDT: token_provider_1.USDT_OPTIMISM,
WBTC: token_provider_1.WBTC_OPTIMISM,
DAI: token_provider_1.DAI_OPTIMISM,
},
[sdk_core_1.ChainId.OPTIMISM_GOERLI]: {
USDC: token_provider_1.USDC_OPTIMISM_GOERLI,
USDT: token_provider_1.USDT_OPTIMISM_GOERLI,
WBTC: token_provider_1.WBTC_OPTIMISM_GOERLI,
DAI: token_provider_1.DAI_OPTIMISM_GOERLI,
},
[sdk_core_1.ChainId.OPTIMISM_SEPOLIA]: {
USDC: token_provider_1.USDC_OPTIMISM_SEPOLIA,
USDT: token_provider_1.USDT_OPTIMISM_SEPOLIA,
WBTC: token_provider_1.WBTC_OPTIMISM_SEPOLIA,
DAI: token_provider_1.DAI_OPTIMISM_SEPOLIA,
},
[sdk_core_1.ChainId.ARBITRUM_ONE]: {
USDC: token_provider_1.USDC_ARBITRUM,
USDT: token_provider_1.USDT_ARBITRUM,
WBTC: token_provider_1.WBTC_ARBITRUM,
DAI: token_provider_1.DAI_ARBITRUM,
},
[sdk_core_1.ChainId.ARBITRUM_GOERLI]: {
USDC: token_provider_1.USDC_ARBITRUM_GOERLI,
},
[sdk_core_1.ChainId.ARBITRUM_SEPOLIA]: {
USDC: token_provider_1.USDC_ARBITRUM_SEPOLIA,
DAI: token_provider_1.DAI_ARBITRUM_SEPOLIA,
},
[sdk_core_1.ChainId.POLYGON]: {
WMATIC: token_provider_1.WMATIC_POLYGON,
USDC: token_provider_1.USDC_POLYGON,
},
[sdk_core_1.ChainId.POLYGON_MUMBAI]: {
WMATIC: token_provider_1.WMATIC_POLYGON_MUMBAI,
DAI: token_provider_1.DAI_POLYGON_MUMBAI,
},
[sdk_core_1.ChainId.CELO]: {
CELO: token_provider_1.CELO,
CUSD: token_provider_1.CUSD_CELO,
CEUR: token_provider_1.CEUR_CELO,
DAI: token_provider_1.DAI_CELO,
},
[sdk_core_1.ChainId.CELO_ALFAJORES]: {
CELO: token_provider_1.CELO_ALFAJORES,
CUSD: token_provider_1.CUSD_CELO_ALFAJORES,
CEUR: token_provider_1.CUSD_CELO_ALFAJORES,
DAI: token_provider_1.DAI_CELO_ALFAJORES,
},
[sdk_core_1.ChainId.GNOSIS]: {
WXDAI: util_1.WRAPPED_NATIVE_CURRENCY[sdk_core_1.ChainId.GNOSIS],
USDC_ETHEREUM_GNOSIS: token_provider_1.USDC_ETHEREUM_GNOSIS,
},
[sdk_core_1.ChainId.MOONBEAM]: {
USDC: token_provider_1.USDC_MOONBEAM,
DAI: token_provider_1.DAI_MOONBEAM,
WBTC: token_provider_1.WBTC_MOONBEAM,
WGLMR: util_1.WRAPPED_NATIVE_CURRENCY[sdk_core_1.ChainId.MOONBEAM],
},
[sdk_core_1.ChainId.BNB]: {
USDC: token_provider_1.USDC_BNB,
USDT: token_provider_1.USDT_BNB,
BUSD: token_provider_1.BUSD_BNB,
ETH: token_provider_1.ETH_BNB,
DAI: token_provider_1.DAI_BNB,
BTC: token_provider_1.BTC_BNB,
WBNB: util_1.WRAPPED_NATIVE_CURRENCY[sdk_core_1.ChainId.BNB],
},
[sdk_core_1.ChainId.AVALANCHE]: {
USDC: token_provider_1.USDC_AVAX,
DAI: token_provider_1.DAI_AVAX,
WAVAX: util_1.WRAPPED_NATIVE_CURRENCY[sdk_core_1.ChainId.AVALANCHE],
},
[sdk_core_1.ChainId.BASE]: {
USDC: token_provider_1.USDC_BASE,
WETH: util_1.WRAPPED_NATIVE_CURRENCY[sdk_core_1.ChainId.BASE],
},
[sdk_core_1.ChainId.BLAST]: {
USDB: token_provider_1.USDB_BLAST,
WETH: util_1.WRAPPED_NATIVE_CURRENCY[sdk_core_1.ChainId.BLAST],
},
[sdk_core_1.ChainId.ZORA]: {
WETH: util_1.WRAPPED_NATIVE_CURRENCY[sdk_core_1.ChainId.ZORA],
},
[sdk_core_1.ChainId.ZKSYNC]: {
WETH: util_1.WRAPPED_NATIVE_CURRENCY[sdk_core_1.ChainId.ZKSYNC],
},
[sdk_core_1.ChainId.WORLDCHAIN]: {
USDC: token_provider_1.USDC_WORLDCHAIN,
WLD: token_provider_1.WLD_WORLDCHAIN,
WBTC: token_provider_1.WBTC_WORLDCHAIN,
WETH: util_1.WRAPPED_NATIVE_CURRENCY[sdk_core_1.ChainId.WORLDCHAIN],
},
[sdk_core_1.ChainId.UNICHAIN_SEPOLIA]: {
USDC: token_provider_1.USDC_SEPOLIA,
WETH: util_1.WRAPPED_NATIVE_CURRENCY[sdk_core_1.ChainId.UNICHAIN_SEPOLIA],
},
[sdk_core_1.ChainId.MONAD_TESTNET]: {
USDT: token_provider_1.USDT_MONAD_TESTNET,
WMON: util_1.WRAPPED_NATIVE_CURRENCY[sdk_core_1.ChainId.MONAD_TESTNET],
},
[sdk_core_1.ChainId.BASE_SEPOLIA]: {
USDC: token_provider_1.USDC_BASE_SEPOLIA,
WETH: util_1.WRAPPED_NATIVE_CURRENCY[sdk_core_1.ChainId.BASE_SEPOLIA],
},
[sdk_core_1.ChainId.UNICHAIN]: {
DAI: token_provider_1.DAI_UNICHAIN,
USDC: token_provider_1.USDC_UNICHAIN,
WETH: util_1.WRAPPED_NATIVE_CURRENCY[sdk_core_1.ChainId.UNICHAIN],
},
// Currently we do not have providers for Moonbeam mainnet or Gnosis testnet
};
/**
* Provider for getting token metadata that falls back to a different provider
* in the event of failure.
*
* @export
* @class CachingTokenProviderWithFallback
*/
class CachingTokenProviderWithFallback {
constructor(chainId,
// Token metadata (e.g. symbol and decimals) don't change so can be cached indefinitely.
// Constructing a new token object is slow as sdk-core does checksumming.
tokenCache, primaryTokenProvider, fallbackTokenProvider) {
this.chainId = chainId;
this.tokenCache = tokenCache;
this.primaryTokenProvider = primaryTokenProvider;
this.fallbackTokenProvider = fallbackTokenProvider;
this.CACHE_KEY = (chainId, address) => `token-${chainId}-${address}`;
}
async getTokens(_addresses) {
const seedTokens = exports.CACHE_SEED_TOKENS[this.chainId];
if (seedTokens) {
for (const token of Object.values(seedTokens)) {
await this.tokenCache.set(this.CACHE_KEY(this.chainId, token.address.toLowerCase()), token);
}
}
const addressToToken = {};
const symbolToToken = {};
const addresses = (0, lodash_1.default)(_addresses)
.map((address) => address.toLowerCase())
.uniq()
.value();
const addressesToFindInPrimary = [];
const addressesToFindInSecondary = [];
for (const address of addresses) {
if (await this.tokenCache.has(this.CACHE_KEY(this.chainId, address))) {
addressToToken[address.toLowerCase()] = (await this.tokenCache.get(this.CACHE_KEY(this.chainId, address)));
symbolToToken[addressToToken[address].symbol] =
(await this.tokenCache.get(this.CACHE_KEY(this.chainId, address)));
}
else {
addressesToFindInPrimary.push(address);
}
}
util_1.log.info({ addressesToFindInPrimary }, `Found ${addresses.length - addressesToFindInPrimary.length} out of ${addresses.length} tokens in local cache. ${addressesToFindInPrimary.length > 0
? `Checking primary token provider for ${addressesToFindInPrimary.length} tokens`
: ``}
`);
if (addressesToFindInPrimary.length > 0) {
const primaryTokenAccessor = await this.primaryTokenProvider.getTokens(addressesToFindInPrimary);
for (const address of addressesToFindInPrimary) {
const token = primaryTokenAccessor.getTokenByAddress(address);
if (token) {
addressToToken[address.toLowerCase()] = token;
symbolToToken[addressToToken[address].symbol] = token;
await this.tokenCache.set(this.CACHE_KEY(this.chainId, address.toLowerCase()), addressToToken[address]);
}
else {
addressesToFindInSecondary.push(address);
}
}
util_1.log.info({ addressesToFindInSecondary }, `Found ${addressesToFindInPrimary.length - addressesToFindInSecondary.length} tokens in primary. ${this.fallbackTokenProvider
? `Checking secondary token provider for ${addressesToFindInSecondary.length} tokens`
: `No fallback token provider specified. About to return.`}`);
}
if (this.fallbackTokenProvider && addressesToFindInSecondary.length > 0) {
const secondaryTokenAccessor = await this.fallbackTokenProvider.getTokens(addressesToFindInSecondary);
for (const address of addressesToFindInSecondary) {
const token = secondaryTokenAccessor.getTokenByAddress(address);
if (token) {
addressToToken[address.toLowerCase()] = token;
symbolToToken[addressToToken[address].symbol] = token;
await this.tokenCache.set(this.CACHE_KEY(this.chainId, address.toLowerCase()), addressToToken[address]);
}
}
}
return {
getTokenByAddress: (address) => {
return addressToToken[address.toLowerCase()];
},
getTokenBySymbol: (symbol) => {
return symbolToToken[symbol.toLowerCase()];
},
getAllTokens: () => {
return Object.values(addressToToken);
},
};
}
}
exports.CachingTokenProviderWithFallback = CachingTokenProviderWithFallback;
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