chore(universal-router-sdk): add mock pools and test for V4 split routes

sdks/universal-router-sdk/test/uniswapTrades.test.ts

@@ -31,7 +31,7 @@ import {
   TradeType,
 } from '@uniswap/sdk-core'
 import { registerFixture } from './forge/writeInterop'
-import { buildTrade, getUniswapPools, swapOptions, ETHER, DAI, USDC, WETH } from './utils/uniswapData'
+import { buildTrade, getUniswapPools, swapOptions, ETHER, DAI, USDC, WETH, USDT, UNI } from './utils/uniswapData'
 import { hexToDecimalString } from './utils/hexToDecimalString'
 import {
   FORGE_V4_POSITION_MANAGER,
@@ -55,7 +55,7 @@ import {
   UniversalRouterVersion,
   ZERO_ADDRESS,
 } from '../src/utils/constants'
-import { parseUnits, parseUnits, splitSignature } from 'ethers/lib/utils'
+import { splitSignature } from 'ethers/lib/utils'
 
 const FORK_BLOCK = 16075500
 
@@ -70,7 +70,10 @@ describe('Uniswap', () => {
   let USDC_DAI_V3: V3Pool
 
   let ETH_DAI_V4: V4Pool
+  let ETH_UNI_V4: V4Pool
   let ETH_USDC_V4: V4Pool
+  let UNI_USDC_V4: V4Pool
+  let USDC_USDT_V4: V4Pool
   let WETH_USDC_V4: V4Pool
   let WETH_USDC_V4_LOW_FEE: V4Pool
   let ETH_USDC_V4_LOW_FEE: V4Pool
@@ -145,6 +148,30 @@ describe('Uniswap', () => {
       tickProviderMock
     )
 
+    UNI_USDC_V4 = new V4Pool(
+      USDC,
+      USDT,
+      FeeAmount.MEDIUM,
+      tickSpacing,
+      ZERO_ADDRESS,
+      encodeSqrtRatioX96(1, 1),
+      liquidity,
+      0,
+      tickProviderMock
+    )
+
+    USDC_USDT_V4 = new V4Pool(
+      USDC,
+      USDT,
+      FeeAmount.MEDIUM,
+      tickSpacing,
+      ZERO_ADDRESS,
+      encodeSqrtRatioX96(1, 1),
+      liquidity,
+      0,
+      tickProviderMock
+    )
+
     USDC_DAI_V4 = new V4Pool(
       DAI,
       USDC,
@@ -180,6 +207,18 @@ describe('Uniswap', () => {
       0,
       tickProviderMock
     )
+
+    ETH_UNI_V4 = new V4Pool(
+      UNI,
+      ETHER,
+      FeeAmount.MEDIUM,
+      tickSpacing,
+      ZERO_ADDRESS,
+      encodeSqrtRatioX96(1, 1),
+      liquidity,
+      0,
+      tickProviderMock
+    )
   })
 
   describe('v2', () => {
@@ -1064,6 +1103,25 @@ describe('Uniswap', () => {
       expect(hexToDecimalString(methodParameters.value)).to.eq(JSBI.multiply(inputEther, JSBI.BigInt(2)).toString())
     })
 
+    it('encodes a split exactInput with 2 routes v4 ETH -> USDC -> USDT, v4 ETH -> UNI -> USDC -> USDT', async () => {
+      const inputEther = expandTo18Decimals(1)
+      const v4Trade1 = await V4Trade.fromRoute(
+        new V4Route([ETH_USDC_V4, USDC_USDT_V4], ETHER, USDT),
+        CurrencyAmount.fromRawAmount(ETHER, inputEther),
+        TradeType.EXACT_INPUT
+      )
+      const v4Trade2 = await V4Trade.fromRoute(
+        new V4Route([ETH_USDC_V4, USDC_USDT_V4], ETHER, USDT),
+        CurrencyAmount.fromRawAmount(ETHER, inputEther),
+        TradeType.EXACT_INPUT
+      )
+      const opts = swapOptions({})
+      const methodParameters = SwapRouter.swapCallParameters(buildTrade([v4Trade1, v4Trade2]), opts)
+      registerFixture('_UNISWAP_SPLIT_TWO_ROUTES_V4_ETH_TO_USDT_AND_UNI', methodParameters)
+      expect(hexToDecimalString(methodParameters.value)).to.eq(inputEther)
+      console.log('my calldata is ' + methodParameters.calldata)
+    })
+
     /**
      * Test: Three-way split route (V2 + V3 + V3)
      * - V2 route: ETH -> USDC

sdks/universal-router-sdk/test/utils/uniswapData.ts

@@ -55,6 +55,8 @@ export const ETHER = Ether.onChain(1)
 export const WETH = new Token(1, '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', 18, 'WETH', 'Wrapped Ether')
 export const DAI = new Token(1, '0x6B175474E89094C44Da98b954EedeAC495271d0F', 18, 'DAI', 'dai')
 export const USDC = new Token(1, '0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48', 6, 'USDC', 'USD Coin')
+export const USDT = new Token(1, '0xdAC17F958D2ee523a2206206994597C13D831ec7', 6, 'USDT', 'Tether USD')
+export const UNI = new Token(1, '0x1f9840a85d5af5bf1d1762f925bdaddc4201f984', 18, 'UNI', 'Uniswap')
 export const FEE_AMOUNT = FeeAmount.MEDIUM
 
 type UniswapPools = {