Add Paraswap humanizer

src/lib/humanizers/Paraswap.js

@@ -0,0 +1,64 @@
+import { Interface } from 'ethers/lib/utils'
+import { token } from 'lib/humanReadableTransactions'
+
+
+const parseZeroAddressIfNeeded = (address) => {
+    return address.toLowerCase() === '0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee'
+      ? '0x0000000000000000000000000000000000000000'
+      : address
+  }
+
+const getSwap = (humanizerInfo, srcToken,fromAmount,destToken,toAmount, extended) => extended ? 
+    [
+        'Swap', 
+        {
+            type: 'token',
+            ...token(humanizerInfo, parseZeroAddressIfNeeded(srcToken), fromAmount,true)
+        },
+        'for',
+        {
+            type: 'token',
+            ...token(humanizerInfo, parseZeroAddressIfNeeded(destToken) ,toAmount,true)
+        }
+    ]:
+    `Swap ${token(humanizerInfo,srcToken,fromAmount)} for ${token(humanizerInfo,destToken, toAmount)}`
+
+
+const ParaswapMapping = (humanizerInfo) => {
+  const iface = new Interface(humanizerInfo.abis.ParaswapRouter)
+  return {
+        [iface.getSighash('swapExactAmountIn')]: (txn, network, { extended }) => {
+            const {executor, swapData:{srcToken, destToken,fromAmount,toAmount,quotedAmount,metadata,beneficiary},partnerAndFee,permit,executionData} = iface.parseTransaction(txn).args
+            return [getSwap(humanizerInfo,srcToken,fromAmount,destToken,toAmount, extended)]
+        },
+        [iface.getSighash('swapExactAmountInOnCurveV1')]: (txn, network, { extended }) => {
+            const {curveV1Data:{srcToken,destToken,fromAmount,toAmount}} = iface.parseTransaction(txn).args
+            return [getSwap(humanizerInfo,srcToken,fromAmount,destToken,toAmount, extended)]
+        },
+        [iface.getSighash('swapExactAmountInOnCurveV2')]: (txn, network, { extended }) => {
+            const {curveV2Data: srcToken,destToken,fromAmount,toAmount}= iface.parseTransaction(txn).args
+            return [getSwap(humanizerInfo,srcToken,fromAmount,destToken,toAmount, extended)]
+        },
+        [iface.getSighash('swapExactAmountInOnUniswapV2')]: (txn, network, { extended }) => {
+            const {uniData:{srcToken,destToken,fromAmount,toAmount}}= iface.parseTransaction(txn).args
+            return [getSwap(humanizerInfo,srcToken,fromAmount,destToken,toAmount, extended)]
+        },
+        [iface.getSighash('swapExactAmountInOnUniswapV3')]: (txn, network, { extended }) => {
+        const {uniData:{srcToken,destToken, fromAmount, toAmount}} = iface.parseTransaction(txn).args
+        return [getSwap(humanizerInfo,srcToken,fromAmount,destToken,toAmount, extended)]
+        },
+        [iface.getSighash('swapExactAmountOut')]: (txn, network, { extended }) => {
+            const {executor, swapData:{srcToken, destToken,fromAmount,toAmount}} = iface.parseTransaction(txn).args
+            return [getSwap(humanizerInfo,srcToken,fromAmount,destToken,toAmount, extended)]
+        },
+        [iface.getSighash('swapExactAmountOutOnUniswapV2')]: (txn, network, { extended }) => {
+            const {uniData:{srcToken,destToken,fromAmount,toAmount}}= iface.parseTransaction(txn).args
+            return [getSwap(humanizerInfo,srcToken,fromAmount,destToken,toAmount, extended)]
+        },
+        [iface.getSighash('swapExactAmountOutOnUniswapV3')]: (txn, network, { extended }) => {
+        const {uniData:{srcToken,destToken, fromAmount, toAmount}} = iface.parseTransaction(txn).args
+        return [getSwap(humanizerInfo,srcToken,fromAmount,destToken,toAmount, extended)]
+        }
+    }
+}
+export default ParaswapMapping

src/lib/humanizers/index.js

@@ -21,6 +21,7 @@ import MeanFinance from './MeanFinance'
 import GMX from './GMX'
 import Lido from './Lido'
 import Joe from './Joe'
+import Paraswap from './Paraswap'
 
 const all = ({ humanizerInfo, tokenList }) => ({
   ...UniRouters(humanizerInfo),
@@ -44,7 +45,8 @@ const all = ({ humanizerInfo, tokenList }) => ({
   ...MeanFinance(humanizerInfo),
   ...GMX(humanizerInfo),
   ...Lido(humanizerInfo),
-  ...Joe(humanizerInfo)
+  ...Joe(humanizerInfo),
+  ...Paraswap(humanizerInfo)
 })
 
 export default all