fix: convert to BigNumberish gas values (#152)

Author: chybisov

src/allowance/utils.ts

@@ -5,7 +5,7 @@ import { Contract, ContractTransaction, Signer, ethers } from 'ethers'
 import ChainsService from '../services/ChainsService'
 import { ERC20Contract, ERC20_ABI, RevokeTokenData } from '../types'
 import { ServerError } from '../utils/errors'
-import { fetchDataUsingMulticall, MultiCallData } from '../utils/multicall'
+import { MultiCallData, fetchDataUsingMulticall } from '../utils/multicall'
 
 export const getApproved = async (
   signer: Signer,
@@ -44,7 +44,7 @@ export const setApproval = async (
   try {
     const estimatedGasLimit = await signer.estimateGas(transactionRequest)
     if (estimatedGasLimit) {
-      const formattedGasLimit = ethers.utils.parseEther(
+      const formattedGasLimit = ethers.BigNumber.from(
         `${(BigInt(estimatedGasLimit.toString()) * 125n) / 100n}`
       )
 

src/execution/StepExecutionManager.ts

@@ -4,6 +4,7 @@ import {
   TransactionResponse,
 } from '@ethersproject/abstract-provider'
 import { Execution, ExtendedTransactionInfo, FullStatusData } from '@lifi/types'
+import { BigNumber } from 'ethers'
 import { checkAllowance } from '../allowance'
 import { checkBalance } from '../balance'
 import ApiService from '../services/ApiService'
@@ -16,7 +17,6 @@ import { isZeroAddress, personalizeStep } from '../utils/utils'
 import { stepComparison } from './stepComparison'
 import { switchChain } from './switchChain'
 import { getSubstatusMessage, waitForReceivingTransaction } from './utils'
-import { BigNumber, ethers } from 'ethers'
 
 export class StepExecutionManager {
   allowUserInteraction = true

src/utils/preRestart.ts

@@ -1,5 +1,5 @@
 /* eslint-disable @typescript-eslint/no-non-null-assertion */
-import { Signer } from 'ethers'
+import { BigNumber, Signer } from 'ethers'
 import { Route } from '../types'
 import { LifiErrorCode } from './errors'
 
@@ -34,9 +34,9 @@ const handleErrorType = async (route: Route, index: number, signer: Signer) => {
       } catch (error) {}
 
       if (gasLimit) {
-        transactionRequest.gasLimit = `${
-          (BigInt(gasLimit.toString()) * 125n) / 100n
-        }`
+        transactionRequest.gasLimit = BigNumber.from(
+          `${(BigInt(gasLimit.toString()) * 125n) / 100n}`
+        )
       }
     }
 
@@ -55,9 +55,9 @@ const handleErrorType = async (route: Route, index: number, signer: Signer) => {
       } catch (error) {}
 
       if (gasPrice) {
-        transactionRequest.gasPrice = `${
-          (BigInt(gasPrice.toString()) * 125n) / 100n
-        }`
+        transactionRequest.gasPrice = BigNumber.from(
+          `${(BigInt(gasPrice.toString()) * 125n) / 100n}`
+        )
       }
     }