diff --git a/scripts/gas-refund-program/transactions-indexing/transaction-resolver.ts b/scripts/gas-refund-program/transactions-indexing/transaction-resolver.ts
index 2157bc46..94df6989 100644
--- a/scripts/gas-refund-program/transactions-indexing/transaction-resolver.ts
+++ b/scripts/gas-refund-program/transactions-indexing/transaction-resolver.ts
@@ -33,7 +33,7 @@ import { getMigrationsTxs } from '../staking/2.0/migrations';
 import { MIGRATION_SEPSP2_100_PERCENT_KEY } from '../staking/2.0/utils';
 import { grp2ConfigByChain } from '../../../src/lib/gas-refund/config';
 import { assert } from 'ts-essentials';
-import { fetchTxGasUsed } from './utils';
+import { fetchTxGasUsed } from '../../../src/lib/fetch-tx-gas-used';
 
 type GetAllTXsInput = {
   startTimestamp: number;
@@ -49,11 +49,11 @@ const StakingV1ContractAddressByChain: Record<number, string[]> = {
 };
 
 const contractAddressesByChain: Record<number, string[]> = {
-  [CHAIN_ID_MAINNET]: [    
+  [CHAIN_ID_MAINNET]: [
     MIGRATION_SEPSP2_100_PERCENT_KEY,
     grp2ConfigByChain[CHAIN_ID_MAINNET]?.sePSP1,
     grp2ConfigByChain[CHAIN_ID_MAINNET]?.sePSP2,
-    grp2ConfigByChain[CHAIN_ID_MAINNET]?.sePSP1ToSePSP2Migrator,        
+    grp2ConfigByChain[CHAIN_ID_MAINNET]?.sePSP1ToSePSP2Migrator,
     AUGUSTUS_V5_ADDRESS,
   ],
   [CHAIN_ID_GOERLI]: [
@@ -168,28 +168,29 @@ export const getSwapTXs = async ({
   });
 
   // reminder: as our subgraphs were not updated since gasUsd not gasUsed the graph issue has been fixed (https://github.com/graphprotocol/graph-node/issues/2619) we need to fetch gasUsed separately
-  const swapsWithGasUsedNormalised: ExtendedCovalentGasRefundTransaction[] = await Promise.all(
-    swapsOfQualifyingStakers.map(
-      async ({ txHash, txOrigin, txGasPrice, timestamp, blockNumber }) => {
-        const {gasUsed: txGasUsed} = await fetchTxGasUsed(chainId, txHash);
-
-        assert(
-          txGasUsed,
-          `gas used should not be zero for ${txHash} on chainId=${chainId}`,
-        );
-
-        return {
-          txHash,
-          txOrigin,
-          txGasPrice,
-          timestamp,
-          blockNumber,
-          txGasUsed: txGasUsed.toString(),
-          contract: AUGUSTUS_V5_ADDRESS,
-        };
-      },
-    ),
-  );
+  const swapsWithGasUsedNormalised: ExtendedCovalentGasRefundTransaction[] =
+    await Promise.all(
+      swapsOfQualifyingStakers.map(
+        async ({ txHash, txOrigin, txGasPrice, timestamp, blockNumber }) => {
+          const { gasUsed: txGasUsed } = await fetchTxGasUsed(chainId, txHash);
+
+          assert(
+            txGasUsed,
+            `gas used should not be zero for ${txHash} on chainId=${chainId}`,
+          );
+
+          return {
+            txHash,
+            txOrigin,
+            txGasPrice,
+            timestamp,
+            blockNumber,
+            txGasUsed: txGasUsed.toString(),
+            contract: AUGUSTUS_V5_ADDRESS,
+          };
+        },
+      ),
+    );
   return swapsWithGasUsedNormalised;
 };
 
diff --git a/scripts/gas-refund-program/transactions-indexing/utils.ts b/src/lib/fetch-tx-gas-used.ts
similarity index 63%
rename from scripts/gas-refund-program/transactions-indexing/utils.ts
rename to src/lib/fetch-tx-gas-used.ts
index f2ce4f4c..0dd45adb 100644
--- a/scripts/gas-refund-program/transactions-indexing/utils.ts
+++ b/src/lib/fetch-tx-gas-used.ts
@@ -1,5 +1,5 @@
 import { BigNumber } from 'bignumber.js';
-import { Provider } from '../../../src/lib/provider';
+import { Provider } from './provider';
 
 const Bottleneck = require('bottleneck');
 
@@ -7,24 +7,29 @@ const limiter = new Bottleneck({
   minTime: 200, // 200ms interval between calls (5 calls per second)
 });
 
-type RpcGasUsedFetcher = (chainId: number, txHash: string) => Promise<{gasUsed: number, l1FeeWei: null | string }>;
+type RpcGasUsedFetcher = (
+  chainId: number,
+  txHash: string,
+) => Promise<{ gasUsed: number; l1FeeWei: null | string }>;
 const _fetchTxGasUsed: RpcGasUsedFetcher = async (
   chainId: number,
   txHash: string,
 ) => {
   const provider = Provider.getJsonRpcProvider(chainId);
-  
+
   // const tx = await provider.getTransactionReceipt(txHash);
   // using raw request and not ethers.js method to avoid formatting and stripping l1FeeWei in particular
-  const txReceiptRaw = await provider.send('eth_getTransactionReceipt', 
-    
+  const txReceiptRaw = await provider.send(
+    'eth_getTransactionReceipt',
+
     [txHash],
-  )
-  
-   return {
+  );
+
+  return {
     gasUsed: new BigNumber(txReceiptRaw.gasUsed).toNumber(), // gas used on the layer of transaction
-    l1FeeWei: txReceiptRaw.l1Fee ? new BigNumber(txReceiptRaw.l1Fee).toFixed() : null // l1Fee is only present on layer 2 transactions
-  
+    l1FeeWei: txReceiptRaw.l1Fee
+      ? new BigNumber(txReceiptRaw.l1Fee).toFixed()
+      : null, // l1Fee is only present on layer 2 transactions
   };
 };
 
diff --git a/src/lib/paraswap-v6-stakers-transactions.ts b/src/lib/paraswap-v6-stakers-transactions.ts
index a07a010b..f036d2b7 100644
--- a/src/lib/paraswap-v6-stakers-transactions.ts
+++ b/src/lib/paraswap-v6-stakers-transactions.ts
@@ -1,9 +1,9 @@
 import { assert } from 'ts-essentials';
-import { ExtendedCovalentGasRefundTransaction } from '../../scripts/gas-refund-program/types';
+import type { ExtendedCovalentGasRefundTransaction } from '../../scripts/gas-refund-program/types';
 import axios from 'axios';
 import { CHAIN_ID_OPTIMISM } from './constants';
-import { fetchTxGasUsed } from '../../scripts/gas-refund-program/transactions-indexing/utils';
 import BigNumber from 'bignumber.js';
+import { fetchTxGasUsed } from './fetch-tx-gas-used';
 
 const PARASWAP_V6_STAKERS_TRANSACTIONS_URL_TEMPLATE =
   process.env.PARASWAP_V6_STAKERS_TRANSACTIONS_URL_TEMPLATE;