diff --git a/.gitignore b/.gitignore
index f8cec2d06..e5d98f351 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,8 +4,13 @@ target
 tests/test-runner/Cargo.lock
 tests/dockerfile/gravity.tar.gz
 solidity/dist
+solidity/build
+solidity/artifacts/
 orchestrator/bins
 
+# OS files
+.DS_Store
+
 # IDE files
 .idea/
 
diff --git a/solidity/hardhat.config.ts b/solidity/hardhat.config.ts
index 137935802..cd7be28de 100644
--- a/solidity/hardhat.config.ts
+++ b/solidity/hardhat.config.ts
@@ -31,37 +31,40 @@ module.exports = {
   // This is a sample solc configuration that specifies which version of solc to use
   solidity: {
     compilers: [
-    {
-    version: "0.6.6",
-    settings: {
-      optimizer: {
-        enabled: true
-      }
-    }  
-  },
-  {
-    version: "0.6.12",
-    settings: {
-      optimizer: {
-        enabled: true
-      }
-    }  
-  },
-  {
-    version: "0.8.1",
-    settings: {
-      optimizer: {
-        enabled: true
+      {
+        version: "0.6.6",
+        settings: {
+          optimizer: {
+            enabled: true
+          }
+        }
+      },
+      {
+        version: "0.6.12",
+        settings: {
+          optimizer: {
+            enabled: true
+          }
+        }
+      },
+      {
+        version: "0.8.1",
+        settings: {
+          optimizer: {
+            enabled: true
+          }
+        }
       }
-    }  
-  }
-]
+    ]
   },
   defaultNetwork: process.env.DEFAULT_NETWORK,
   networks: {
     rinkeby: {
       url: `${process.env.ETH_NODE}`
     },
+    sepolia: {
+      url: `${process.env.ETH_NODE}`
+    },
     mainnet: {
       url: `${process.env.ETH_NODE}`
     },
@@ -1022,7 +1025,7 @@ module.exports = {
   mocha: {
     timeout: 2000000
   },
-  etherscan:{
+  etherscan: {
     apiKey: `${process.env.ETHERSCAN_API_KEY}`
   }
 };
diff --git a/solidity/scripts/contract-deployer.sh b/solidity/scripts/contract-deployer.sh
old mode 100644
new mode 100755
index 62714abe2..732d01f18
--- a/solidity/scripts/contract-deployer.sh
+++ b/solidity/scripts/contract-deployer.sh
@@ -1,8 +1,10 @@
 #!/bin/bash
 npx ts-node \
 contract-deployer.ts \
---cosmos-node="http://localhost:26657" \
---eth-node="http://localhost:8545" \
---eth-privkey="0xb1bab011e03a9862664706fc3bbaa1b16651528e5f0e7fbfcbfdd8be302a13e7" \
---contract=Gravity.json \
---test-mode=true
\ No newline at end of file
+--cosmos-node="${COSMOS_NODE}" \
+--eth-node="${ETH_NODE}" \
+--eth-privkey="${ETH_PRIV_KEY_HEX}" \
+--contract="artifacts/contracts/Gravity.sol/Gravity.json" \
+--test-mode=true \
+--cudos-access-control="${CUDOS_ACCESS_CONTROL_ADDRESS}" \
+--cudos-token-address="${CUDOS_TOKEN_ADDRESS}"
\ No newline at end of file