mirror of
https://github.com/kaspanet/kaspad.git
synced 2025-03-30 15:08:33 +00:00
c88fa1492e
* [NOD-375] Move to pkg/errors * [NOD-375] Fix tests * [NOD-375] Make AreErrorsEqual a shared function
76 lines
2.4 KiB
Go
76 lines
2.4 KiB
Go
// Copyright (c) 2014-2017 The btcsuite developers
|
|
// Use of this source code is governed by an ISC
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package rpcclient
|
|
|
|
import (
|
|
"encoding/json"
|
|
"github.com/daglabs/btcd/btcjson"
|
|
"github.com/pkg/errors"
|
|
)
|
|
|
|
// FutureRawResult is a future promise to deliver the result of a RawRequest RPC
|
|
// invocation (or an applicable error).
|
|
type FutureRawResult chan *response
|
|
|
|
// Receive waits for the response promised by the future and returns the raw
|
|
// response, or an error if the request was unsuccessful.
|
|
func (r FutureRawResult) Receive() (json.RawMessage, error) {
|
|
return receiveFuture(r)
|
|
}
|
|
|
|
// RawRequestAsync returns an instance of a type that can be used to get the
|
|
// result of a custom RPC request at some future time by invoking the Receive
|
|
// function on the returned instance.
|
|
//
|
|
// See RawRequest for the blocking version and more details.
|
|
func (c *Client) RawRequestAsync(method string, params []json.RawMessage) FutureRawResult {
|
|
// Method may not be empty.
|
|
if method == "" {
|
|
return newFutureError(errors.New("no method"))
|
|
}
|
|
|
|
// Marshal parameters as "[]" instead of "null" when no parameters
|
|
// are passed.
|
|
if params == nil {
|
|
params = []json.RawMessage{}
|
|
}
|
|
|
|
// Create a raw JSON-RPC request using the provided method and params
|
|
// and marshal it. This is done rather than using the sendCmd function
|
|
// since that relies on marshalling registered btcjson commands rather
|
|
// than custom commands.
|
|
id := c.NextID()
|
|
rawRequest := &btcjson.Request{
|
|
JSONRPC: "1.0",
|
|
ID: id,
|
|
Method: method,
|
|
Params: params,
|
|
}
|
|
marshalledJSON, err := json.Marshal(rawRequest)
|
|
if err != nil {
|
|
return newFutureError(err)
|
|
}
|
|
|
|
// Generate the request.
|
|
jReqData := &jsonRequestData{
|
|
id: id,
|
|
method: method,
|
|
cmd: nil,
|
|
marshalledJSON: marshalledJSON,
|
|
}
|
|
|
|
// Send the request and return its response channel
|
|
return c.sendRequest(jReqData)
|
|
}
|
|
|
|
// RawRequest allows the caller to send a raw or custom request to the server.
|
|
// This method may be used to send and receive requests and responses for
|
|
// requests that are not handled by this client package, or to proxy partially
|
|
// unmarshaled requests to another JSON-RPC server if a request cannot be
|
|
// handled directly.
|
|
func (c *Client) RawRequest(method string, params []json.RawMessage) (json.RawMessage, error) {
|
|
return c.RawRequestAsync(method, params).Receive()
|
|
}
|