Merge pull request #76 from IndexCoop/task/add-slippage-for-hyeth

feat: add slippage for hyeth
IndexCoop · Jul 3, 2024 · 9f3d1a2 · 9f3d1a2
2 parents 279062c + acfd0ac
commit 9f3d1a2
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Showing 2 changed files with 10 additions and 3 deletions.
diff --git a/src/quote/flashmint/hyeth/component-quotes/index.ts b/src/quote/flashmint/hyeth/component-quotes/index.ts
@@ -2,6 +2,7 @@ import { BigNumber } from '@ethersproject/bignumber'
 import { Address, isAddressEqual } from 'viem'
 
 import { SwapQuoteProvider } from 'quote/swap'
+import { slippageAdjustedTokenAmount } from 'utils'
 
 import { QuoteToken } from '../../../interfaces'
 
@@ -175,9 +176,15 @@ export class ComponentQuotesProvider {
       .reduce((prevValue, currValue) => {
         return currValue + prevValue
       })
+    const adjustedAmount = slippageAdjustedTokenAmount(
+      BigNumber.from(inputOutputTokenAmount.toString()),
+      isMinting ? inputToken.decimals : outputToken.decimals,
+      this.slippage,
+      isMinting
+    )
     return {
       componentQuotes: [],
-      inputOutputTokenAmount,
+      inputOutputTokenAmount: adjustedAmount.toBigInt(),
     }
   }
 

diff --git a/src/tests/hyeth.test.ts b/src/tests/hyeth.test.ts
@@ -28,12 +28,12 @@ describe('hyETH', () => {
     await factory.executeTx()
   })
 
-  test.skip('can mint with ETH (large amout)', async () => {
+  test('can mint with ETH (large amout)', async () => {
     await factory.fetchQuote({
       isMinting: true,
       inputToken: eth,
       outputToken: indexToken,
-      indexTokenAmount: wei('300'),
+      indexTokenAmount: wei('550'),
       slippage: 0.5,
     })
     await factory.executeTx()