feat: testing migration on a fork

Author: satanworker

pages/v3-migration.page.tsx

@@ -1,4 +1,3 @@
-import { useEffect } from 'react';
 import { StakeModal } from 'src/components/transactions/Stake/StakeModal';
 import { StakeCooldownModal } from 'src/components/transactions/StakeCooldown/StakeCooldownModal';
 import { StakeRewardClaimModal } from 'src/components/transactions/StakeRewardClaim/StakeRewardClaimModal';
@@ -14,7 +13,7 @@ export default function V3Migration() {
   // const migrate = useRootStore((state) => state.migrateSelectedPositions);
   return (
     <div>
-      <div onClick={testMigration}>test migration</div>
+      <button onClick={() => testMigration()}>test migration</button>
       <div>supply</div>
       {user.userReservesData.map((reserve) => (
         <div

src/components/transactions/MigrateV3/MigrateV3Actions.tsx

@@ -16,7 +16,10 @@ export const MigrateV3Actions = () => {
 
   return (
     <div>
-      <button onClick={() => approval(getApprovePermitsForSelectedAssets())}>Approve</button>
+      <button onClick={() => approval(getApprovePermitsForSelectedAssets())}>
+        Approve with permits
+      </button>
+      {/* <button onClick={() => }></button> */}
       <button onClick={action}>Migrate</button>
     </div>
   );

src/store/v3MigrationSlice.ts

@@ -1,5 +1,5 @@
 import {
-  // ERC20_2612Service,
+  ERC20_2612Service,
   ERC20Service,
   EthereumTransactionTypeExtended,
   V3MigrationHelperService,
@@ -18,6 +18,7 @@ import { selectedUserReservesForMigration } from './v3MigrationSelectors';
 export type V3MigrationSlice = {
   //STATE
   selectedMigrationAssets: Record<string, boolean>;
+  migrationServiceInstances: Record<string, V3MigrationHelperService>;
   timestamp: number;
   // ACTIONS
   generatePermitPayloadForMigrationAsset: (
@@ -45,6 +46,7 @@ export const createV3MigrationSlice: StateCreator<
 > = (set, get) => {
   return {
     selectedMigrationAssets: {},
+    migrationServiceInstances: {},
     timestamp: 0,
     generatePermitPayloadForMigrationAsset: async ({ amount, underlyingAsset, deadline }) => {
       const user = get().account;
@@ -121,7 +123,7 @@ export const createV3MigrationSlice: StateCreator<
       const selectedReservers = selectedUserReservesForMigration(get(), get().timestamp);
       const permits = selectedReservers.map(({ reserve }, index) => ({
         aToken: reserve.aTokenAddress,
-        value: reserve.totalLiquidity,
+        value: reserve.totalLiquidity + 1000,
         deadline,
         signedPermit: signatures[index],
       }));
@@ -141,7 +143,16 @@ export const createV3MigrationSlice: StateCreator<
       return '0x01ce9bbcc0418614a8bba983fe79cf77211996f2';
     },
     getMigrationServiceInstance: () => {
-      return new V3MigrationHelperService(get().jsonRpcProvider(), get().getMigratorAddress());
+      const address = get().getMigratorAddress();
+      const migratorInstance = get().migrationServiceInstances[address];
+      if (migratorInstance) {
+        return migratorInstance;
+      }
+      const provider = get().jsonRpcProvider();
+      const migratorAddress = get().getMigratorAddress();
+      const newMigratorInstance = new V3MigrationHelperService(provider, migratorAddress);
+      // TODO: don't forget to add maping here
+      return newMigratorInstance;
     },
     _testMigration: async () => {
       const someAddress = await get().getMigrationServiceInstance().testDeployment();