## openapi spec as endpoint for OpenRPC Rest Server

copy paste in https://editor.swagger.io/

```json
{
  "openapi": "3.0.0",
  "info": {
    "title": "Mycelium Agent RPC API",
    "description": "An API for Mycelium Agent for handling asynchronous tasks, returning results, and managing RPC call statuses.",
    "version": "1.0.0"
  },
  "paths": {
    "/rpc_in": {
      "post": {
        "summary": "Initiates an RPC call",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/RPCIn"
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "RPC initiated",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "rpc_id": {
                      "type": "string",
                      "description": "Unique identifier of the initiated RPC call"
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "/rpc_return": {
      "post": {
        "summary": "Handles an asynchronous return of an RPC call result",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/RPCReturn"
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "RPC return received",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "confirmation": {
                      "type": "string",
                      "example": "RPC return successfully received"
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "/rpc_check": {
      "get": {
        "summary": "Checks the status of an RPC call",
        "parameters": [
          {
            "name": "rpc_id",
            "in": "query",
            "required": true,
            "schema": {
              "type": "string"
            },
            "description": "The unique identifier of the RPC call"
          },
          {
            "name": "signature",
            "in": "query",
            "required": true,
            "schema": {
              "type": "string"
            },
            "description": "Signature of the rpc_id, signed by the caller"
          }
        ],
        "responses": {
          "200": {
            "description": "Status of the RPC call",
            "content": {
              "application/json": {
                "schema": {
                  "type": "string",
                  "enum": ["done", "error", "running", "pending"]
                }
              }
            }
          }
        }
      }
    },
    "/rpc_kill": {
      "post": {
        "summary": "Stops an RPC call that is running",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/RPCKill"
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "RPC call stopped",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "confirmation": {
                      "type": "string",
                      "example": "RPC call 12345 has been stopped"
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "RPCIn": {
        "type": "object",
        "required": [
          "rpc_id",
          "method_name",
          "params",
          "pubkey",
          "signature",
          "async"
        ],
        "properties": {
          "rpc_id": {
            "type": "string",
            "description": "A unique identifier for the RPC call."
          },
          "method_name": {
            "type": "string",
            "description": "The name of the method being called."
          },
          "params": {
            "type": "object",
            "description": "The parameters for the method call in JSON format, is encrypted."
          },
          "pubkey": {
            "type": "string",
            "description": "The public key of the Mycelium Agent making the call."
          },
          "signature": {
            "type": "string",
            "description": "A signature of rpc_id + method_name + params + return_url + return_topic, signed with the Mycelium Agent private key."
          },
          "async": {
            "type": "boolean",
            "description": "Indicates whether the call should be asynchronous."
          },
          "return_url": {
            "type": "string",
            "nullable": true,
            "description": "The URL to return the result. Optional, used when async is true."
          },
          "return_topic": {
            "type": "string",
            "description": "The topic for the sender to know what the return result is related to."
          }
        },
        "example": {
          "rpc_id": "12345",
          "method_name": "get_data",
          "params": { "key": "value" },
          "pubkey": "abc123",
          "signature": "signeddata",
          "async": true,
          "return_url": "http://callback.url/result",
          "return_topic": "my_topic"
        }
      },
      "RPCReturn": {
        "type": "object",
        "required": [
          "rpc_id",
          "method_name",
          "params",
          "pubkey",
          "signature",
          "topic",
          "result"
        ],
        "properties": {
          "rpc_id": {
            "type": "string",
            "description": "The unique identifier of the RPC call, corresponding to the original call."
          },
          "method_name": {
            "type": "string",
            "description": "The name of the method being returned."
          },
          "params": {
            "type": "object",
            "description": "The parameters of the original method in JSON format."
          },
          "pubkey": {
            "type": "string",
            "description": "The public key of the RPC server."
          },
          "signature": {
            "type": "string",
            "description": "Signature of rpc_id + method_name + params + result, signed with the server's private key."
          },
          "topic": {
            "type": "string",
            "description": "The topic to identify the return message."
          },
          "result": {
            "type": "object",
            "description": "The result of the RPC call in JSON format."
          }
        },
        "example": {
          "rpc_id": "12345",
          "method_name": "get_data",
          "params": { "key": "value" },
          "pubkey": "server_pubkey",
          "signature": "signed_result_data",
          "topic": "my_topic",
          "result": { "data": "returned_value" }
        }
      },
      "RPCKill": {
        "type": "object",
        "required": [
          "rpc_id",
          "signature"
        ],
        "properties": {
          "rpc_id": {
            "type": "string",
            "description": "The unique identifier of the RPC call to stop."
          },
          "signature": {
            "type": "string",
            "description": "The signature of the rpc_id, signed by the caller."
          }
        },
        "example": {
          "rpc_id": "12345",
          "signature": "signed_rpc_id"
        }
      }
    }
  }
}

```