diff --git a/smart-contract/.nvmrc b/smart-contract/.nvmrc
new file mode 100644
index 0000000..209e3ef
--- /dev/null
+++ b/smart-contract/.nvmrc
@@ -0,0 +1 @@
+20
diff --git a/smart-contract/src/infos.ts b/smart-contract/src/infos.ts
index 32f41de..14583ce 100644
--- a/smart-contract/src/infos.ts
+++ b/smart-contract/src/infos.ts
@@ -1,5 +1,6 @@
 import {
   getDomains,
+  getDomainsFromTarget,
   getOwner,
   getTokenCounter,
   getTotalSupply,
@@ -24,3 +25,8 @@ try {
 } catch (e) {
   console.log('No total supply found');
 }
+
+// reverse resolve
+const target = 'AS1ZTEiyBCyVAdpMfdU7br3xxPSj99kNZTxVXhnuYH7DkDF6h9YK';
+const revRes = await getDomainsFromTarget(provider, target);
+console.log('target domains:', revRes);
diff --git a/smart-contract/src/migrate.ts b/smart-contract/src/migrate.ts
index 80ca083..240a6be 100644
--- a/smart-contract/src/migrate.ts
+++ b/smart-contract/src/migrate.ts
@@ -1,15 +1,16 @@
-import { SmartContract, Mas, Operation, rpcTypes } from '@massalabs/massa-web3';
 import {
-  getMigrateCounter,
-  getScByteCode,
-  getTokenCounter,
-  initProvider,
-} from './utils';
+  SmartContract,
+  Mas,
+  Operation,
+  rpcTypes,
+  Args,
+} from '@massalabs/massa-web3';
+import { getScByteCode, initProvider } from './utils';
 import { MNS_CONTRACT } from './config';
 
 const provider = await initProvider();
 
-const byteCode = getScByteCode('build', 'main_mig.wasm');
+const byteCode = getScByteCode('build', 'main_prev.wasm');
 const contract = new SmartContract(provider, MNS_CONTRACT);
 
 console.log(
@@ -19,6 +20,7 @@ console.log(
 
 let op: Operation;
 let events: rpcTypes.OutputEvents;
+
 op = await contract.call('upgradeSC', byteCode, {
   coins: Mas.fromString('3'),
   fee: Mas.fromString('0.1'),
@@ -30,18 +32,22 @@ for (const event of events) {
 }
 console.log('upgradeSC done ! operation:', op.id);
 
-const counter = await getTokenCounter(provider, MNS_CONTRACT);
-let migrateCount = 0n;
-try {
-  migrateCount = await getMigrateCounter(provider, MNS_CONTRACT);
-} catch (e) {
-  console.log('no migrate counter found');
+console.log('Initialize migration');
+
+op = await contract.call('initMig', byteCode, {
+  fee: Mas.fromString('0.1'),
+});
+events = await op.getFinalEvents();
+
+for (const event of events) {
+  console.log('upgradeSC Events:', event.data);
 }
+console.log('Initialize done ! operation:', op.id);
 
-while (migrateCount < counter) {
-  console.log('migrating batch from tokenID', migrateCount.toString());
-  op = await contract.call('migrate', undefined, {
-    coins: Mas.fromString('30'),
+let batchSize = 3000;
+while (true) {
+  op = await contract.call('migrate', new Args().addI32(BigInt(batchSize)), {
+    coins: Mas.fromString('25'),
     fee: Mas.fromString('0.1'),
   });
 
@@ -50,24 +56,11 @@ while (migrateCount < counter) {
   for (const event of events) {
     console.log('migrate Events:', event.data);
   }
-  migrateCount = await getMigrateCounter(provider, MNS_CONTRACT);
-  console.log('new migrate count:', migrateCount.toString());
-}
-
-console.log('Upgrade done ! operation:');
-
-if (migrateCount === counter) {
-  const cleaned = getScByteCode('build', 'main.wasm');
-
-  op = await contract.call('upgradeSC', cleaned, {
-    fee: Mas.fromString('0.1'),
-  });
-  events = await op.getFinalEvents();
 
-  for (const event of events) {
-    console.log('upgradeSC Events:', event.data);
+  if (events.some((event) => event.data.includes('Migration done'))) {
+    console.log('Migration done ! yallahh:');
+    break;
   }
-  console.log('upgradeSC done ! operation:', op.id);
 }
 
 console.log(
diff --git a/smart-contract/src/utils.ts b/smart-contract/src/utils.ts
index f321654..3235a47 100644
--- a/smart-contract/src/utils.ts
+++ b/smart-contract/src/utils.ts
@@ -6,6 +6,7 @@ import {
   bytesToStr,
   Provider,
   SmartContract,
+  strToBytes,
   U256,
   Web3Provider,
 } from '@massalabs/massa-web3';
@@ -72,3 +73,19 @@ export async function getOwner(provider: Provider): Promise<string> {
   const { value } = await contract.read('ownerAddress');
   return bytesToStr(value);
 }
+
+export async function getDomainsFromTarget(
+  provider: Provider,
+  target: string,
+): Promise<string[]> {
+  const ADDRESS_KEY_PREFIX_V2 = [0x6];
+  const targetBytes = strToBytes(target);
+  const prefix = Uint8Array.from([
+    ...DOMAIN_SEPARATOR_KEY,
+    ...ADDRESS_KEY_PREFIX_V2,
+    targetBytes.length,
+    ...targetBytes,
+  ]);
+  const keys = await provider.getStorageKeys(MNS_CONTRACT, prefix);
+  return keys.map((key) => bytesToStr(key.slice(prefix.length)));
+}