gen_getContractSchema
Retrieve the schema/interface of a GenLayer contract to understand its available methods and properties.
Method: gen_getContractSchema
Parameters:
request(object, required): The contract schema requestcode(string, required): Base64-encoded contract code
Returns: Contract schema object with methods and properties
{
"ctor": { // constructor info
"kwparams": {}, // dict
"params": [["value", "type"]] // list of tuples
},
"methods": { // dict from method name to method info
"method_name": {
"kwparams": {}, // dict
"params": [["value", "type"]], // list of tuples
"payable": false, // bool
"readonly": false, // bool
"ret": "null" // string
},
}
}Example:
{
"jsonrpc": "2.0",
"method": "gen_getContractSchema",
"params": [
{
"code": "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"
}
],
"id": 1
}Response:
{
"jsonrpc": "2.0",
"result": {
"ctor": {
"kwparams": {},
"params": [["initial_storage", "string"]]
},
"methods": {
"get_storage": {
"kwparams": {},
"params": [],
"readonly": true,
"ret": "string"
},
"update_storage": {
"kwparams": {},
"params": [["new_storage", "string"]],
"payable": false,
"readonly": false,
"ret": "null"
}
}
},
"id": 1
}