contract.json

{
    "$schema": "http://json-schema.org/schema#",
    "title": "PDO Contract Request",
    "id": "http://tradenet.org/pdo/eservice/contract/requests#",
    "definitions": {
        "ContractRequest": {
            "id": "#initRequest",
            "description": "a request to create a new instance of a contract state associated with the contract identifier",
            "type": "object",
            "properties": {
                "Operation": {
                    "description": "field describing the type of the request",
                    "type": "string",
                    "enum": [
                        "initialize",
                        "update"
                    ],
                    "required": true
                },
                "ContractState": {
                    "$ref": "#/pdo/basetypes/contract-state",
                    "required": true
                },
                "ContractCode": {
                    "$ref": "#/pdo/basetypes/contract-code",
                    "required": true
                },
                "ContractMessage": {
                    "$ref": "#/pdo/basetypes/contract-message",
                    "required": true
                }
            }
        },
        "ContractResponse": {
            "id": "#ContractResponse",
            "description": "General schema for responses from the contract enclave",
            "type": "object",
            "properties": {
                "Contract-State": {
                    "description": "state resulting from the evaluation of the method",
                    "$ref": "#/pdo/basetypes/contract-state",
                    "required": true
                },
                "Dependencies": {
                    "description": "List of dependent contract commits",
                    "type": "array",
                    "items": {
                        "type": "object",
                        "minItems": 0,
                        "uniqueItems": true,
                        "default": [],
                        "properties": {
                            "ContractID": {
                                "$ref": "#/pdo/basetypes/contractid",
                                "required": true
                            },
                            "StateHash": {
                                "description": "hash of the state that must be committed",
                                "type": "string",
                                "format": "base64 urlsafe encoded sha256 hash without padding",
                                "minLength": 22,
                                "maxLength": 22,
                                "required": true
                            }
                        }
                    }
                },
                "Result": {
                    "description": "the value returned from method evaluation",
                    "$ref": "#/pdo/basetypes/s-expression",
                    "required": true
                },
                "Signature": {
                    "description": "signature of the request/response",
                    "$ref": "#/pdo/basetypes/signature",
                    "required": true
                }
            }
        }
    }
}