diff --git a/test/basic-e2e.bats b/test/basic-e2e.bats
index cca26da4..3f761184 100644
--- a/test/basic-e2e.bats
+++ b/test/basic-e2e.bats
@@ -10,12 +10,45 @@ setup() {
 @test "Send EOA transaction" {
     load 'helpers/common'
 
+    local private_key="12d7de8621a77640c9241b2595ba78ce443d05e94090365ab3bb5e19df82c625"
     local receiver="0x85dA99c8a7C2C95964c8EfD687E95E632Fc533D6"
     local value="10ether"
-    local private_key="0x12d7de8621a77640c9241b2595ba78ce443d05e94090365ab3bb5e19df82c625"
 
     run sendTx $private_key $receiver $value
 
     assert_success
     assert_output --partial 'Transaction successful'
 }
+
+@test "Deploy ERC20Mock contract" {
+    load 'helpers/common'
+
+    local private_key="12d7de8621a77640c9241b2595ba78ce443d05e94090365ab3bb5e19df82c625"
+    local contract_artifact="./test/contracts/erc20mock/ERC20Mock.json"
+
+    # Deploy ERC20Mock
+    contract_addr=$(deployContract "$private_key" "$contract_artifact")
+    [[ $? -eq 0 ]] || fail "Contract deployment failed"
+    echo "Contract addr: $contract_addr"
+
+    # Mint ERC20 tokens
+    local receiver="0x85dA99c8a7C2C95964c8EfD687E95E632Fc533D6"
+    local mintFnSig="function mint(address to, uint256 amount)"
+    local amount="5"
+
+    run sendTx "$private_key" "$contract_addr" "$mintFnSig" "$receiver" "$amount"
+    assert_success
+    assert_output --partial 'Transaction successful'
+
+    # Assert that balance is correct
+    local balanceOfFnSig="function balanceOf(address) (uint256)"
+    receiverBalance=$(queryContract "$contract_addr" "$balanceOfFnSig" "$receiver")
+    assert_success
+
+    # Convert balance and amount to a standard format for comparison (e.g., remove any leading/trailing whitespace)
+    receiverBalance=$(echo "$receiverBalance" | xargs)
+    amount=$(echo "$amount" | xargs)
+
+    # Check if the balance is equal to the amount
+    assert_equal "$receiverBalance" "$amount"
+}
diff --git a/test/contracts/erc20mock/ERC20Mock.json b/test/contracts/erc20mock/ERC20Mock.json
new file mode 100644
index 00000000..e27ddd00
--- /dev/null
+++ b/test/contracts/erc20mock/ERC20Mock.json
@@ -0,0 +1,657 @@
+{
+    "_format": "hh-sol-artifact-1",
+    "contractName": "MockERC20",
+    "sourceName": "contracts/mocks/MockERC20.sol",
+    "abi": [
+      {
+        "anonymous": false,
+        "inputs": [
+          {
+            "indexed": true,
+            "internalType": "address",
+            "name": "owner",
+            "type": "address"
+          },
+          {
+            "indexed": true,
+            "internalType": "address",
+            "name": "spender",
+            "type": "address"
+          },
+          {
+            "indexed": false,
+            "internalType": "uint256",
+            "name": "value",
+            "type": "uint256"
+          }
+        ],
+        "name": "Approval",
+        "type": "event"
+      },
+      {
+        "anonymous": false,
+        "inputs": [
+          {
+            "indexed": false,
+            "internalType": "address",
+            "name": "account",
+            "type": "address"
+          }
+        ],
+        "name": "Paused",
+        "type": "event"
+      },
+      {
+        "anonymous": false,
+        "inputs": [
+          {
+            "indexed": true,
+            "internalType": "bytes32",
+            "name": "role",
+            "type": "bytes32"
+          },
+          {
+            "indexed": true,
+            "internalType": "bytes32",
+            "name": "previousAdminRole",
+            "type": "bytes32"
+          },
+          {
+            "indexed": true,
+            "internalType": "bytes32",
+            "name": "newAdminRole",
+            "type": "bytes32"
+          }
+        ],
+        "name": "RoleAdminChanged",
+        "type": "event"
+      },
+      {
+        "anonymous": false,
+        "inputs": [
+          {
+            "indexed": true,
+            "internalType": "bytes32",
+            "name": "role",
+            "type": "bytes32"
+          },
+          {
+            "indexed": true,
+            "internalType": "address",
+            "name": "account",
+            "type": "address"
+          },
+          {
+            "indexed": true,
+            "internalType": "address",
+            "name": "sender",
+            "type": "address"
+          }
+        ],
+        "name": "RoleGranted",
+        "type": "event"
+      },
+      {
+        "anonymous": false,
+        "inputs": [
+          {
+            "indexed": true,
+            "internalType": "bytes32",
+            "name": "role",
+            "type": "bytes32"
+          },
+          {
+            "indexed": true,
+            "internalType": "address",
+            "name": "account",
+            "type": "address"
+          },
+          {
+            "indexed": true,
+            "internalType": "address",
+            "name": "sender",
+            "type": "address"
+          }
+        ],
+        "name": "RoleRevoked",
+        "type": "event"
+      },
+      {
+        "anonymous": false,
+        "inputs": [
+          {
+            "indexed": true,
+            "internalType": "address",
+            "name": "from",
+            "type": "address"
+          },
+          {
+            "indexed": true,
+            "internalType": "address",
+            "name": "to",
+            "type": "address"
+          },
+          {
+            "indexed": false,
+            "internalType": "uint256",
+            "name": "value",
+            "type": "uint256"
+          }
+        ],
+        "name": "Transfer",
+        "type": "event"
+      },
+      {
+        "anonymous": false,
+        "inputs": [
+          {
+            "indexed": false,
+            "internalType": "address",
+            "name": "account",
+            "type": "address"
+          }
+        ],
+        "name": "Unpaused",
+        "type": "event"
+      },
+      {
+        "inputs": [],
+        "name": "DEFAULT_ADMIN_ROLE",
+        "outputs": [
+          {
+            "internalType": "bytes32",
+            "name": "",
+            "type": "bytes32"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "MINTER_ROLE",
+        "outputs": [
+          {
+            "internalType": "bytes32",
+            "name": "",
+            "type": "bytes32"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "PAUSER_ROLE",
+        "outputs": [
+          {
+            "internalType": "bytes32",
+            "name": "",
+            "type": "bytes32"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [
+          {
+            "internalType": "address",
+            "name": "owner",
+            "type": "address"
+          },
+          {
+            "internalType": "address",
+            "name": "spender",
+            "type": "address"
+          }
+        ],
+        "name": "allowance",
+        "outputs": [
+          {
+            "internalType": "uint256",
+            "name": "",
+            "type": "uint256"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [
+          {
+            "internalType": "address",
+            "name": "spender",
+            "type": "address"
+          },
+          {
+            "internalType": "uint256",
+            "name": "amount",
+            "type": "uint256"
+          }
+        ],
+        "name": "approve",
+        "outputs": [
+          {
+            "internalType": "bool",
+            "name": "",
+            "type": "bool"
+          }
+        ],
+        "stateMutability": "nonpayable",
+        "type": "function"
+      },
+      {
+        "inputs": [
+          {
+            "internalType": "address",
+            "name": "account",
+            "type": "address"
+          }
+        ],
+        "name": "balanceOf",
+        "outputs": [
+          {
+            "internalType": "uint256",
+            "name": "",
+            "type": "uint256"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [
+          {
+            "internalType": "uint256",
+            "name": "amount",
+            "type": "uint256"
+          }
+        ],
+        "name": "burn",
+        "outputs": [],
+        "stateMutability": "nonpayable",
+        "type": "function"
+      },
+      {
+        "inputs": [
+          {
+            "internalType": "address",
+            "name": "account",
+            "type": "address"
+          },
+          {
+            "internalType": "uint256",
+            "name": "amount",
+            "type": "uint256"
+          }
+        ],
+        "name": "burnFrom",
+        "outputs": [],
+        "stateMutability": "nonpayable",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "decimals",
+        "outputs": [
+          {
+            "internalType": "uint8",
+            "name": "",
+            "type": "uint8"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [
+          {
+            "internalType": "address",
+            "name": "spender",
+            "type": "address"
+          },
+          {
+            "internalType": "uint256",
+            "name": "subtractedValue",
+            "type": "uint256"
+          }
+        ],
+        "name": "decreaseAllowance",
+        "outputs": [
+          {
+            "internalType": "bool",
+            "name": "",
+            "type": "bool"
+          }
+        ],
+        "stateMutability": "nonpayable",
+        "type": "function"
+      },
+      {
+        "inputs": [
+          {
+            "internalType": "bytes32",
+            "name": "role",
+            "type": "bytes32"
+          }
+        ],
+        "name": "getRoleAdmin",
+        "outputs": [
+          {
+            "internalType": "bytes32",
+            "name": "",
+            "type": "bytes32"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [
+          {
+            "internalType": "bytes32",
+            "name": "role",
+            "type": "bytes32"
+          },
+          {
+            "internalType": "uint256",
+            "name": "index",
+            "type": "uint256"
+          }
+        ],
+        "name": "getRoleMember",
+        "outputs": [
+          {
+            "internalType": "address",
+            "name": "",
+            "type": "address"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [
+          {
+            "internalType": "bytes32",
+            "name": "role",
+            "type": "bytes32"
+          }
+        ],
+        "name": "getRoleMemberCount",
+        "outputs": [
+          {
+            "internalType": "uint256",
+            "name": "",
+            "type": "uint256"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [
+          {
+            "internalType": "bytes32",
+            "name": "role",
+            "type": "bytes32"
+          },
+          {
+            "internalType": "address",
+            "name": "account",
+            "type": "address"
+          }
+        ],
+        "name": "grantRole",
+        "outputs": [],
+        "stateMutability": "nonpayable",
+        "type": "function"
+      },
+      {
+        "inputs": [
+          {
+            "internalType": "bytes32",
+            "name": "role",
+            "type": "bytes32"
+          },
+          {
+            "internalType": "address",
+            "name": "account",
+            "type": "address"
+          }
+        ],
+        "name": "hasRole",
+        "outputs": [
+          {
+            "internalType": "bool",
+            "name": "",
+            "type": "bool"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [
+          {
+            "internalType": "address",
+            "name": "spender",
+            "type": "address"
+          },
+          {
+            "internalType": "uint256",
+            "name": "addedValue",
+            "type": "uint256"
+          }
+        ],
+        "name": "increaseAllowance",
+        "outputs": [
+          {
+            "internalType": "bool",
+            "name": "",
+            "type": "bool"
+          }
+        ],
+        "stateMutability": "nonpayable",
+        "type": "function"
+      },
+      {
+        "inputs": [
+          {
+            "internalType": "address",
+            "name": "to",
+            "type": "address"
+          },
+          {
+            "internalType": "uint256",
+            "name": "amount",
+            "type": "uint256"
+          }
+        ],
+        "name": "mint",
+        "outputs": [],
+        "stateMutability": "nonpayable",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "name",
+        "outputs": [
+          {
+            "internalType": "string",
+            "name": "",
+            "type": "string"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "pause",
+        "outputs": [],
+        "stateMutability": "nonpayable",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "paused",
+        "outputs": [
+          {
+            "internalType": "bool",
+            "name": "",
+            "type": "bool"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [
+          {
+            "internalType": "bytes32",
+            "name": "role",
+            "type": "bytes32"
+          },
+          {
+            "internalType": "address",
+            "name": "account",
+            "type": "address"
+          }
+        ],
+        "name": "renounceRole",
+        "outputs": [],
+        "stateMutability": "nonpayable",
+        "type": "function"
+      },
+      {
+        "inputs": [
+          {
+            "internalType": "bytes32",
+            "name": "role",
+            "type": "bytes32"
+          },
+          {
+            "internalType": "address",
+            "name": "account",
+            "type": "address"
+          }
+        ],
+        "name": "revokeRole",
+        "outputs": [],
+        "stateMutability": "nonpayable",
+        "type": "function"
+      },
+      {
+        "inputs": [
+          {
+            "internalType": "bytes4",
+            "name": "interfaceId",
+            "type": "bytes4"
+          }
+        ],
+        "name": "supportsInterface",
+        "outputs": [
+          {
+            "internalType": "bool",
+            "name": "",
+            "type": "bool"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "symbol",
+        "outputs": [
+          {
+            "internalType": "string",
+            "name": "",
+            "type": "string"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "totalSupply",
+        "outputs": [
+          {
+            "internalType": "uint256",
+            "name": "",
+            "type": "uint256"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [
+          {
+            "internalType": "address",
+            "name": "to",
+            "type": "address"
+          },
+          {
+            "internalType": "uint256",
+            "name": "amount",
+            "type": "uint256"
+          }
+        ],
+        "name": "transfer",
+        "outputs": [
+          {
+            "internalType": "bool",
+            "name": "",
+            "type": "bool"
+          }
+        ],
+        "stateMutability": "nonpayable",
+        "type": "function"
+      },
+      {
+        "inputs": [
+          {
+            "internalType": "address",
+            "name": "from",
+            "type": "address"
+          },
+          {
+            "internalType": "address",
+            "name": "to",
+            "type": "address"
+          },
+          {
+            "internalType": "uint256",
+            "name": "amount",
+            "type": "uint256"
+          }
+        ],
+        "name": "transferFrom",
+        "outputs": [
+          {
+            "internalType": "bool",
+            "name": "",
+            "type": "bool"
+          }
+        ],
+        "stateMutability": "nonpayable",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "unpause",
+        "outputs": [],
+        "stateMutability": "nonpayable",
+        "type": "function"
+      }
+    ],
+    "bytecode": 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+    "linkReferences": {},
+    "deployedLinkReferences": {}
+  }
+  
\ No newline at end of file
diff --git a/test/helpers/common.bash b/test/helpers/common.bash
index 6e6f6b99..ac8d3c89 100644
--- a/test/helpers/common.bash
+++ b/test/helpers/common.bash
@@ -1,32 +1,56 @@
 #!/usr/bin/env bash
+
 function deployContract() {
     local private_key="$1"
     local contract_artifact="$2"
 
+    # Track each line executed
+    set -x
+
+    # Check if rpc_url is available
+    if [[ -z "$rpc_url" ]]; then
+        echo "Error: rpc_url environment variable is not set."
+        return 1
+    fi
+
     if [[ ! -f "$contract_artifact" ]]; then
         echo "Error: Contract artifact $contract_artifact does not exist."
         return 1
     fi
 
-    echo "Attempting to deploy contract artifact $contract_artifact to $rpc_url"
-
-    local bytecode
-    bytecode=$(jq -r .bytecode "$contract_artifact")
+    # Get the sender address
+    local senderAddr=$(cast wallet address "$private_key")
+    if [[ $? -ne 0 ]]; then
+        echo "Error: Failed to retrieve sender address."
+        return 1
+    fi
+    echo "Attempting to deploy contract artifact $contract_artifact to $rpc_url (sender: $senderAddr)"
 
+    # Get bytecode from the contract artifact
+    local bytecode=$(jq -r .bytecode "$contract_artifact")
     if [[ -z "$bytecode" || "$bytecode" == "null" ]]; then
         echo "Error: Failed to read bytecode from $contract_artifact"
         return 1
     fi
 
     # Send the transaction and capture the output
-    cast_output=$(cast send --rpc-url "$rpc_url" \
+    local cast_output=$(cast send --rpc-url "$rpc_url" \
         --private-key "$private_key" \
-        --create "$bytecode" 2>&1)
+        --legacy \
+        --create "$bytecode" \
+        2>&1)
+
+    # Check if cast send was successful
+    if [[ $? -ne 0 ]]; then
+        echo "Error: Failed to send transaction."
+        echo "$cast_output"
+        return 1
+    fi
 
     echo "$cast_output"
 
     # Extract the contract address from the output
-    deployed_contract_address=$(echo "$cast_output" | grep -oP 'Deployed to: \K(0x[a-fA-F0-9]+)')
+    local deployed_contract_address=$(echo "$cast_output" | grep 'contractAddress' | sed 's/contractAddress\s\+//')
 
     if [[ -z "$deployed_contract_address" ]]; then
         echo "Error: Failed to extract deployed contract address"
@@ -35,8 +59,12 @@ function deployContract() {
 
     echo "Deployed contract address: $deployed_contract_address"
 
-    # Return the contract address as a return value
-    return_value="$deployed_contract_address"
+    # Print contract address for return
+    echo "$deployed_contract_address"
+
+    # Disable execution tracing
+    set +x
+    return 0
 }
 
 function sendTx() {
@@ -47,9 +75,9 @@ function sendTx() {
     fi
 
     # Assign variables from function arguments
-    local private_key="$1"
-    local receiver="$2"
-    shift 2 # Shift the first 2 arguments (private_key, receiver)
+    local private_key="$1" # Sender private key
+    local receiver="$2"    # Receiver address
+    shift 2                # Shift the first 2 arguments (private_key, receiver)
 
     local first_remaining_arg="$1"
     shift # Shift the first remaining argument (value or function signature)
@@ -60,10 +88,12 @@ function sendTx() {
         return 1
     fi
 
+    local senderAddr=$(cast wallet address "$private_key")
+
     # Check if the first remaining argument is a numeric value (Ether to be transferred)
     if [[ "$first_remaining_arg" =~ ^[0-9]+(ether)?$ ]]; then
         # Case: EOA transaction (Ether transfer)
-        echo "Sending EOA transaction (RPC URL: $rpc_url) to: $receiver with value: $first_remaining_arg"
+        echo "Sending EOA transaction (RPC URL: $rpc_url, sender: $senderAddr) to: $receiver with value: $first_remaining_arg"
         cast_output=$(cast send --rpc-url "$rpc_url" \
             --private-key "$private_key" \
             "$receiver" --value "$first_remaining_arg" \
@@ -73,7 +103,7 @@ function sendTx() {
         # Case: Smart contract transaction (contract interaction with function signature and parameters)
         local functionSignature="$first_remaining_arg"
         local params=("$@") # Collect all remaining arguments as function parameters
-        echo "Sending smart contract transaction (RPC URL: $rpc_url) to $receiver with function signature: $functionSignature and params: ${params[*]}"
+        echo "Sending smart contract transaction (RPC URL: $rpc_url, sender: $senderAddr) to $receiver with function signature: $functionSignature and params: ${params[*]}"
 
         # Prepare the function signature with parameters for cast send
         cast_output=$(cast send --rpc-url "$rpc_url" \
@@ -106,3 +136,37 @@ function sendTx() {
     echo "Transaction successful (transaction hash: $tx_hash)"
     return 0
 }
+
+function queryContract() {
+    local addr="$1"          # Contract address
+    local funcSignature="$2" # Function signature
+    shift 2                  # Shift past the first two arguments
+    local params=("$@")      # Collect remaining arguments as parameters array
+
+    # Check if rpc_url is available
+    if [[ -z "$rpc_url" ]]; then
+        echo "Error: rpc_url environment variable is not set."
+        return 1
+    fi
+
+    # Check if the contract address is valid
+    if [[ ! "$addr" =~ ^0x[a-fA-F0-9]{40}$ ]]; then
+        echo "Error: Invalid contract address '$addr'."
+        return 1
+    fi
+
+    # Call the contract using `cast call`
+    local result
+    result=$(cast call --rpc-url "$rpc_url" "$addr" "$funcSignature" "${params[@]}" 2>&1)
+
+    # Check if the call was successful
+    if [[ $? -ne 0 ]]; then
+        echo "Error: Failed to query contract."
+        echo "$result"
+        return 1
+    fi
+
+    # Return the result (contract query response)
+    echo "$result"
+    return 0
+}