types

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Published: Jan 15, 2024 License: Apache-2.0 Imports: 7 Imported by: 0

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Constants

This section is empty.

Variables

This section is empty.

Functions

func SocketType

func SocketType(listenAddr string) string

Determine if its a unix or tcp socket. If tcp, must specify the port; `0.0.0.0` will return incorrectly as "unix" since there's no port TODO: deprecate

Types

type Context

type Context struct {
	// json-rpc request
	JSONReq *RPCRequest
	// websocket connection
	WSConn WSRPCConnection
	// http request
	HTTPReq *http.Request
}

Context is the first parameter for all functions. It carries a json-rpc request, http request and websocket connection.

- JSONReq is non-nil when JSONRPC is called over websocket or HTTP. - WSConn is non-nil when we're connected via a websocket. - HTTPReq is non-nil when URI or JSONRPC is called over HTTP.

func (*Context) Context

func (ctx *Context) Context() context.Context

Context returns the request's context. The returned context is always non-nil; it defaults to the background context. HTTP:

The context is canceled when the client's connection closes, the request
is canceled (with HTTP/2), or when the ServeHTTP method returns.

WS:

The context is canceled when the client's connections closes.

func (*Context) RemoteAddr

func (ctx *Context) RemoteAddr() string

RemoteAddr returns the remote address (usually a string "IP:port"). If neither HTTPReq nor WSConn is set, an empty string is returned. HTTP:

http.Request#RemoteAddr

WS:

result of GetRemoteAddr

type JSONRPCIntID

type JSONRPCIntID int

JSONRPCIntID a wrapper for JSON-RPC integer IDs

func (JSONRPCIntID) String

func (id JSONRPCIntID) String() string

type JSONRPCStringID

type JSONRPCStringID string

JSONRPCStringID a wrapper for JSON-RPC string IDs

func (JSONRPCStringID) String

func (id JSONRPCStringID) String() string

type RPCError

type RPCError struct {
	Code    int    `json:"code"`
	Message string `json:"message"`
	Data    string `json:"data,omitempty"`
}

func (RPCError) Error

func (err RPCError) Error() string

type RPCRequest

type RPCRequest struct {
	JSONRPC string          `json:"jsonrpc"`
	ID      jsonrpcid       `json:"id,omitempty"`
	Method  string          `json:"method"`
	Params  json.RawMessage `json:"params"` // must be map[string]interface{} or []interface{}
}

func ArrayToRequest

func ArrayToRequest(id jsonrpcid, method string, params []interface{}) (RPCRequest, error)

func MapToRequest

func MapToRequest(id jsonrpcid, method string, params map[string]interface{}) (RPCRequest, error)

func NewRPCRequest

func NewRPCRequest(id jsonrpcid, method string, params json.RawMessage) RPCRequest

func (RPCRequest) String

func (req RPCRequest) String() string

func (*RPCRequest) UnmarshalJSON

func (req *RPCRequest) UnmarshalJSON(data []byte) error

UnmarshalJSON custom JSON unmarshalling due to jsonrpcid being string or int

type RPCResponse

type RPCResponse struct {
	JSONRPC string          `json:"jsonrpc"`
	ID      jsonrpcid       `json:"id,omitempty"`
	Result  json.RawMessage `json:"result,omitempty"`
	Error   *RPCError       `json:"error,omitempty"`
}

func NewRPCErrorResponse

func NewRPCErrorResponse(id jsonrpcid, code int, msg string, data string) RPCResponse

func NewRPCSuccessResponse

func NewRPCSuccessResponse(id jsonrpcid, res interface{}) RPCResponse

func RPCInternalError

func RPCInternalError(id jsonrpcid, err error) RPCResponse

func RPCInvalidParamsError

func RPCInvalidParamsError(id jsonrpcid, err error) RPCResponse

func RPCInvalidRequestError

func RPCInvalidRequestError(id jsonrpcid, err error) RPCResponse

From the JSON-RPC 2.0 spec:

If there was an error in detecting the id in the Request object (e.g. Parse
error/Invalid Request), it MUST be Null.

func RPCMethodNotFoundError

func RPCMethodNotFoundError(id jsonrpcid) RPCResponse

func RPCParseError

func RPCParseError(err error) RPCResponse

From the JSON-RPC 2.0 spec:

If there was an error in detecting the id in the Request object (e.g. Parse
error/Invalid Request), it MUST be Null.

func RPCServerError

func RPCServerError(id jsonrpcid, err error) RPCResponse

func (RPCResponse) String

func (resp RPCResponse) String() string

func (*RPCResponse) UnmarshalJSON

func (resp *RPCResponse) UnmarshalJSON(data []byte) error

UnmarshalJSON custom JSON unmarshalling due to jsonrpcid being string or int

type WSRPCConnection

type WSRPCConnection interface {
	// GetRemoteAddr returns a remote address of the connection.
	GetRemoteAddr() string
	// WriteRPCResponse writes the response onto connection (BLOCKING).
	WriteRPCResponse(context.Context, RPCResponse) error
	// TryWriteRPCResponse tries to write the response onto connection (NON-BLOCKING).
	TryWriteRPCResponse(RPCResponse) bool
	// Context returns the connection's context.
	Context() context.Context
}

WSRPCConnection represents a websocket connection.

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