fix(routing): updates routing constants for layer 2 networks to use E…

…TH (#2018)

src/constants/routing.ts

@@ -49,26 +49,23 @@ const mAssetsAdditionalBases: { [tokenAddress: string]: Token[] } = {
   '0x31c63146a635EB7465e5853020b39713AC356991': [MIR, UST], // mUSO
   '0xf72FCd9DCF0190923Fadd44811E240Ef4533fc86': [MIR, UST], // mVIXY
 }
-const WETH_ONLY: ChainTokenList = {
-  [SupportedChainId.MAINNET]: [WETH9_EXTENDED[SupportedChainId.MAINNET]],
-  [SupportedChainId.ROPSTEN]: [WETH9_EXTENDED[SupportedChainId.ROPSTEN]],
-  [SupportedChainId.RINKEBY]: [WETH9_EXTENDED[SupportedChainId.RINKEBY]],
-  [SupportedChainId.GOERLI]: [WETH9_EXTENDED[SupportedChainId.GOERLI]],
-  [SupportedChainId.KOVAN]: [WETH9_EXTENDED[SupportedChainId.KOVAN]],
-  [SupportedChainId.ARBITRUM_ONE]: [WETH9_EXTENDED[SupportedChainId.ARBITRUM_ONE]],
-}
+
+const WETH_ONLY: ChainTokenList = Object.fromEntries(
+  Object.entries(WETH9_EXTENDED).map(([key, value]) => [key, [value]])
+)
+
 // used to construct intermediary pairs for trading
 export const BASES_TO_CHECK_TRADES_AGAINST: ChainTokenList = {
   ...WETH_ONLY,
-  [1]: [...WETH_ONLY[1], DAI, USDC, USDT, WBTC],
+  [SupportedChainId.MAINNET]: [...WETH_ONLY[SupportedChainId.MAINNET], DAI, USDC, USDT, WBTC],
 }
 export const ADDITIONAL_BASES: { [chainId: number]: { [tokenAddress: string]: Token[] } } = {
-  [1]: {
+  [SupportedChainId.MAINNET]: {
     ...mAssetsAdditionalBases,
     '0xF16E4d813f4DcfDe4c5b44f305c908742De84eF0': [ETH2X_FLI],
-    '0xA948E86885e12Fb09AfEF8C52142EBDbDf73cD18': [UNI[1]],
-    '0x561a4717537ff4AF5c687328c0f7E90a319705C0': [UNI[1]],
-    '0xE0360A9e2cdd7d03B9408c7D3001E017BAc2EcD5': [UNI[1]],
+    '0xA948E86885e12Fb09AfEF8C52142EBDbDf73cD18': [UNI[SupportedChainId.MAINNET]],
+    '0x561a4717537ff4AF5c687328c0f7E90a319705C0': [UNI[SupportedChainId.MAINNET]],
+    '0xE0360A9e2cdd7d03B9408c7D3001E017BAc2EcD5': [UNI[SupportedChainId.MAINNET]],
     '0xa6e3454fec677772dd771788a079355e43910638': [UMA],
     '0xB46F57e7Ce3a284d74b70447Ef9352B5E5Df8963': [UMA],
     [FEI.address]: [TRIBE],
@@ -84,36 +81,56 @@ export const ADDITIONAL_BASES: { [chainId: number]: { [tokenAddress: string]: To
  * tokens.
  */
 export const CUSTOM_BASES: { [chainId: number]: { [tokenAddress: string]: Token[] } } = {
-  [1]: {
-    [AMPL.address]: [DAI, WETH9_EXTENDED[1]],
+  [SupportedChainId.MAINNET]: {
+    [AMPL.address]: [DAI, WETH9_EXTENDED[SupportedChainId.MAINNET]],
   },
 }
 
 /**
  * Shows up in the currency select for swap and add liquidity
  */
 export const COMMON_BASES: ChainCurrencyList = {
-  [1]: [ExtendedEther.onChain(1), DAI, USDC, USDT, WBTC, WETH9_EXTENDED[1]],
-  [3]: [ExtendedEther.onChain(3), WETH9_EXTENDED[3]],
-  [4]: [ExtendedEther.onChain(4), WETH9_EXTENDED[4]],
-  [5]: [ExtendedEther.onChain(5), WETH9_EXTENDED[5]],
-  [42]: [ExtendedEther.onChain(42), WETH9_EXTENDED[42]],
+  [SupportedChainId.MAINNET]: [
+    ExtendedEther.onChain(SupportedChainId.MAINNET),
+    DAI,
+    USDC,
+    USDT,
+    WBTC,
+    WETH9_EXTENDED[SupportedChainId.MAINNET],
+  ],
+  [SupportedChainId.ROPSTEN]: [
+    ExtendedEther.onChain(SupportedChainId.ROPSTEN),
+    WETH9_EXTENDED[SupportedChainId.ROPSTEN],
+  ],
+  [SupportedChainId.RINKEBY]: [
+    ExtendedEther.onChain(SupportedChainId.RINKEBY),
+    WETH9_EXTENDED[SupportedChainId.RINKEBY],
+  ],
+  [SupportedChainId.GOERLI]: [ExtendedEther.onChain(SupportedChainId.GOERLI), WETH9_EXTENDED[SupportedChainId.GOERLI]],
+  [SupportedChainId.KOVAN]: [ExtendedEther.onChain(SupportedChainId.KOVAN), WETH9_EXTENDED[SupportedChainId.KOVAN]],
   [SupportedChainId.ARBITRUM_ONE]: [
     ExtendedEther.onChain(SupportedChainId.ARBITRUM_ONE),
     WETH9_EXTENDED[SupportedChainId.ARBITRUM_ONE],
   ],
+  [SupportedChainId.OPTIMISM]: [ExtendedEther.onChain(SupportedChainId.OPTIMISM)],
 }
 
 // used to construct the list of all pairs we consider by default in the frontend
 export const BASES_TO_TRACK_LIQUIDITY_FOR: ChainTokenList = {
   ...WETH_ONLY,
-  [1]: [...WETH_ONLY[1], DAI, USDC, USDT, WBTC],
+  [SupportedChainId.MAINNET]: [...WETH_ONLY[SupportedChainId.MAINNET], DAI, USDC, USDT, WBTC],
 }
 export const PINNED_PAIRS: { readonly [chainId: number]: [Token, Token][] } = {
-  [1]: [
+  [SupportedChainId.MAINNET]: [
     [
-      new Token(1, '0x5d3a536E4D6DbD6114cc1Ead35777bAB948E3643', 8, 'cDAI', 'Compound Dai'),
-      new Token(1, '0x39AA39c021dfbaE8faC545936693aC917d5E7563', 8, 'cUSDC', 'Compound USD Coin'),
+      new Token(SupportedChainId.MAINNET, '0x5d3a536E4D6DbD6114cc1Ead35777bAB948E3643', 8, 'cDAI', 'Compound Dai'),
+      new Token(
+        SupportedChainId.MAINNET,
+        '0x39AA39c021dfbaE8faC545936693aC917d5E7563',
+        8,
+        'cUSDC',
+        'Compound USD Coin'
+      ),
     ],
     [USDC, USDT],
     [DAI, USDT],