{
  "type": "object",
  "title": "ContractCallTransactionMetadata",
  "description": "Metadata associated with a contract-call type transaction",
  "required": ["tx_type", "contract_call"],
  "additionalProperties": false,
  "properties": {
    "tx_type": {
      "type": "string",
      "enum": ["contract_call"]
    },
    "contract_call": {
      "type": "object",
      "additionalProperties": false,
      "required": ["contract_id", "function_name", "function_signature"],
      "properties": {
        "contract_id": {
          "type": "string",
          "description": "Contract identifier formatted as `<principaladdress>.<contract_name>`"
        },
        "function_name": {
          "type": "string",
          "description": "Name of the Clarity function to be invoked"
        },
        "function_signature": {
          "type": "string",
          "description": "Function definition, including function name and type as well as parameter names and types"
        },
        "function_args": {
          "type": "array",
          "description": "List of arguments used to invoke the function",
          "items": {
            "type": "object",
            "additionalProperties": false,
            "required": ["hex", "repr", "name", "type"],
            "properties": {
              "hex": {
                "type": "string"
              },
              "repr": {
                "type": "string"
              },
              "name": {
                "type": "string"
              },
              "type": {
                "type": "string"
              }
            }
          }
        }
      }
    }
  }
}