diff --git a/db/migrations/1706784285253-Data.js b/db/migrations/1706784285253-Data.js
index 7d74cfa..ae98ce0 100644
--- a/db/migrations/1706784285253-Data.js
+++ b/db/migrations/1706784285253-Data.js
@@ -97,11 +97,11 @@ module.exports = class Data1706784285253 {
         await db.query(`ALTER TABLE "token_holder" ADD CONSTRAINT "FK_77bdccde4b3585013306c3606fc" FOREIGN KEY ("signer_id") REFERENCES "account"("id") ON DELETE NO ACTION ON UPDATE NO ACTION`)
         await db.query(`ALTER TABLE "staking" ADD CONSTRAINT "FK_6ee1999545992b2cd1ba1f1f657" FOREIGN KEY ("signer_id") REFERENCES "account"("id") ON DELETE NO ACTION ON UPDATE NO ACTION`)
         await db.query(`ALTER TABLE "staking" ADD CONSTRAINT "FK_c4f2c390140b9ff847dae450025" FOREIGN KEY ("event_id") REFERENCES "event"("id") ON DELETE NO ACTION ON UPDATE NO ACTION`)
-        
+
         // ************************************************************************************************
         //        Scripts inserted manually. Creates functions and triggers, and inserts initial data.
         // ************************************************************************************************
-        
+
         // Create functions
         await db.query(`
             CREATE FUNCTION public.account_count() RETURNS trigger
@@ -439,5 +439,22 @@ module.exports = class Data1706784285253 {
         await db.query(`DROP FUNCTION public.extrinsic_count()`)
         await db.query(`DROP FUNCTION public.new_verified_contract_found()`)
         await db.query(`DROP FUNCTION public.transfer_count()`)
+
+        // *************************************************************************************************************
+        //        Script inserted manually. Modifies the foreign key constraint on the verified_contract table to delete
+        //        the verified contract when the contract is deleted.
+        // *************************************************************************************************************
+        await db.query(`
+            ALTER TABLE "verified_contract"
+            DROP CONSTRAINT IF EXISTS "FK_70c992c058f4f82d658a2cd899c";
+        `);
+
+
+        await db.query(`
+        ALTER TABLE "verified_contract"
+        ADD CONSTRAINT "FK_70c992c058f4f82d658a2cd899c"
+        FOREIGN KEY ("contract_id") REFERENCES "contract"("id")
+        ON DELETE CASCADE ON UPDATE NO ACTION;
+    `);
     }
 }
diff --git a/db/migrations/1706784285254-Data.js b/db/migrations/1706784285254-Data.js
index cecf6fb..eb4661f 100644
--- a/db/migrations/1706784285254-Data.js
+++ b/db/migrations/1706784285254-Data.js
@@ -1,12 +1,22 @@
-module.exports = class Data1706784285254 {
-    name = 'Data1706784285254'
+// module.exports = class Data1706784285254 {
+//     name = 'Data1706784285254'
 
-    async up(db) {
-        // *************************************************************************************************************
-        //        Script inserted manually. Modifies the foreign key constraint on the verified_contract table to delete
-        //        the verified contract when the contract is deleted.
-        // *************************************************************************************************************
-        await db.query(`ALTER TABLE "verified_contract" DROP CONSTRAINT "FK_70c992c058f4f82d658a2cd899c";`);
-        await db.query(`ALTER TABLE "verified_contract" ADD CONSTRAINT "FK_70c992c058f4f82d658a2cd899c" FOREIGN KEY ("contract_id") REFERENCES "contract"("id") ON DELETE CASCADE ON UPDATE NO ACTION`)
-    }
-}
+//     async up(db) {
+//         // *************************************************************************************************************
+//         //        Script inserted manually. Modifies the foreign key constraint on the verified_contract table to delete
+//         //        the verified contract when the contract is deleted.
+//         // *************************************************************************************************************
+//         await db.query(`
+//                 ALTER TABLE "verified_contract"
+//                 DROP CONSTRAINT IF EXISTS "FK_70c992c058f4f82d658a2cd899c";
+//             `);
+
+
+//         await db.query(`
+//             ALTER TABLE "verified_contract"
+//             ADD CONSTRAINT "FK_70c992c058f4f82d658a2cd899c"
+//             FOREIGN KEY ("contract_id") REFERENCES "contract"("id")
+//             ON DELETE CASCADE ON UPDATE NO ACTION;
+//         `);
+//     }
+// }
diff --git a/squid.yaml b/squid.yaml
new file mode 100644
index 0000000..b4d9e4e
--- /dev/null
+++ b/squid.yaml
@@ -0,0 +1,108 @@
+manifestVersion: subsquid.io/v0.1
+name: reef-explorer
+version: 13
+description: |-
+  Reef Chain explorer data
+
+# squid-reef@2.1.2
+
+build:
+
+deploy:
+  addons:
+    postgres:
+  processor:
+    env:
+      NETWORK:
+        mainnet
+      HEAD_REACHED:
+        true
+      PIN_TO_IPFS:
+        false
+      USE_ONLY_RPC:
+        false
+      SUPPORT_HOT_BLOCKS:
+        true
+      UPDATE_FROM_HEAD_BATCH_SIZE:
+        100
+      PROCESSOR_BATCH_SIZE:
+        1000
+      REEFSWAP_ROUTER_ADDRESS_MAINNET:
+        "0x10ED43C718714eb63d5aA57B78B54704E256024E"
+      FIREBASE_EMITTER_ENABLED:
+        false
+      FIREBASE_PROJECT_ID:
+        reef-block-index
+      FIREBASE_DB_URL:
+        https://reef-block-index-default-rtdb.firebaseio.com/
+      EMITTER_IO_ENABLED:
+        true
+      EMITTER_IO_URL:
+        https://events.reefscan.info:443
+      PUSHER_ENABLED:
+        false
+      PUSHER_APP_ID:
+        1629403
+      PUSHER_KEY:
+        fc5ad78eb31981de6c67
+      PUSHER_CLUSTER:
+        eu
+      PUSHER_CHANNEL:
+        reef-chain
+      PUSHER_EVENT:
+        block-finalised
+    cmd: [ "node", "lib/processor" ]
+  api:
+    env:
+      NETWORK:
+        mainnet
+      SQUID_NAME:
+        reef-explorer
+      FIREBASE_EMITTER_ENABLED:
+        false
+      FIREBASE_PROJECT_ID:
+        reef-block-index
+      FIREBASE_DB_URL:
+        https://reef-block-index-default-rtdb.firebaseio.com/
+      EMITTER_IO_ENABLED:
+        true
+      EMITTER_IO_URL:
+        https://events.reefscan.info:443
+      PUSHER_ENABLED:
+        false
+      PUSHER_APP_ID:
+        1629403
+      PUSHER_KEY:
+        fc5ad78eb31981de6c67
+      PUSHER_CLUSTER:
+        eu
+      PUSHER_CHANNEL:
+        reef-chain
+      PUSHER_EVENT:
+        block-finalised
+      UPDATE_FINALIZED_MAX_SIZE:
+        1000
+    cmd: [ "npx", "squid-graphql-server", "--subscriptions", "--max-root-fields", "15", "--max-response-size", "1000"]
+  secrets:
+    - NODE_RPC_WS_MAINNET
+    - NODE_RPC_WS_TESTNET
+    - ARCHIVE_LOOKUP_NAME_MAINNET
+    - ARCHIVE_LOOKUP_NAME_TESTNET
+    - JWT_SECRET
+    - INFURA_IPFS_PROJECT_ID
+    - INFURA_IPFS_KEY
+    - APIKEY_REEF_BRIDGE
+    - FIREBASE_CLIENT_EMAIL
+    - FIREBASE_PK
+    - PUSHER_SECRET
+    - FIREBASE_CLIENT_EMAIL
+    - FIREBASE_PK
+    - EMITTER_IO_KEY
+
+scale:
+  dedicated: false
+  addons:
+    postgres:
+      profile: small
+  # processor:
+  #   profile: medium