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types.go
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types.go
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package response
import (
"encoding/json"
)
// Header is a generic JSON-RPC 2.0 response header (ID and JSON-RPC version).
type Header struct {
ID json.RawMessage `json:"id"`
JSONRPC string `json:"jsonrpc"`
}
// HeaderAndError adds an Error (that can be empty) to the Header, it's used
// to construct type-specific responses.
type HeaderAndError struct {
Header
Error *Error `json:"error,omitempty"`
}
// Raw represents a standard raw JSON-RPC 2.0
// response: http://www.jsonrpc.org/specification#response_object.
type Raw struct {
HeaderAndError
Result json.RawMessage `json:"result,omitempty"`
}
// AbstractResult is an interface which represents either single JSON-RPC 2.0 response
// or batch JSON-RPC 2.0 response.
type AbstractResult interface {
RunForErrors(f func(jsonErr *Error))
}
// Abstract represents abstract JSON-RPC 2.0 response, it differs from Raw in
// that Result field is an interface here.
type Abstract struct {
HeaderAndError
Result interface{} `json:"result,omitempty"`
}
// RunForErrors implements AbstractResult interface.
func (a Abstract) RunForErrors(f func(jsonErr *Error)) {
if a.Error != nil {
f(a.Error)
}
}
// AbstractBatch represents abstract JSON-RPC 2.0 batch-response.
type AbstractBatch []Abstract
// RunForErrors implements AbstractResult interface.
func (ab AbstractBatch) RunForErrors(f func(jsonErr *Error)) {
for _, a := range ab {
if a.Error != nil {
f(a.Error)
}
}
}
// Notification is a type used to represent wire format of events, they're
// special in that they look like requests but they don't have IDs and their
// "method" is actually an event name.
type Notification struct {
JSONRPC string `json:"jsonrpc"`
Event EventID `json:"method"`
Payload []interface{} `json:"params"`
}