fix: Add routes for stakewise tokens (#2832)

* Add additional routes for stakewise tokens

* Reference StakeWise addresses with sdk tokens

* Sort token imports

src/constants/routing.ts

@@ -13,6 +13,9 @@ import {
   FRAX,
   FXS,
   renBTC,
+  rETH2,
+  sETH2,
+  SWISE,
   TRIBE,
   USDC,
   USDC_ARBITRUM,
@@ -53,6 +56,8 @@ export const BASES_TO_CHECK_TRADES_AGAINST: ChainTokenList = {
 export const ADDITIONAL_BASES: { [chainId: number]: { [tokenAddress: string]: Token[] } } = {
   [SupportedChainId.MAINNET]: {
     '0xF16E4d813f4DcfDe4c5b44f305c908742De84eF0': [ETH2X_FLI],
+    [rETH2.address]: [sETH2],
+    [SWISE.address]: [sETH2],
     [FEI.address]: [TRIBE],
     [TRIBE.address]: [FEI],
     [FRAX.address]: [FXS],

src/constants/tokens.ts

@@ -136,6 +136,27 @@ export const ETH2X_FLI = new Token(
   'ETH2x-FLI',
   'ETH 2x Flexible Leverage Index'
 )
+export const sETH2 = new Token(
+  SupportedChainId.MAINNET,
+  '0xFe2e637202056d30016725477c5da089Ab0A043A',
+  18,
+  'sETH2',
+  'StakeWise Staked ETH2'
+)
+export const rETH2 = new Token(
+  SupportedChainId.MAINNET,
+  '0x20BC832ca081b91433ff6c17f85701B6e92486c5',
+  18,
+  'rETH2',
+  'StakeWise Reward ETH2'
+)
+export const SWISE = new Token(
+  SupportedChainId.MAINNET,
+  '0x48C3399719B582dD63eB5AADf12A40B4C3f52FA2',
+  18,
+  'SWISE',
+  'StakeWise'
+)
 export const UNI: { [chainId: number]: Token } = {
   [SupportedChainId.MAINNET]: new Token(SupportedChainId.MAINNET, UNI_ADDRESS[1], 18, 'UNI', 'Uniswap'),
   [SupportedChainId.RINKEBY]: new Token(SupportedChainId.RINKEBY, UNI_ADDRESS[4], 18, 'UNI', 'Uniswap'),