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JsonRpcCodecError

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pub(all) suberror JsonRpcCodecError {
  ParseError(message~ : String)
  InvalidRequest(reason~ : String)
  InvalidId(reason~ : String)
  InvalidParams(reason~ : String)
  InvalidError(reason~ : String)
  UnknownField(path~ : String)
  MissingField(path~ : String)
  ConflictingFields(path~ : String)
  InvalidField(path~ : String, reason~ : String)
  InvalidInteger(path~ : String, reason~ : String)
} derive(Eq, 
Debug)

Errors raised while parsing or validating a JSON-RPC envelope.

These are local codec errors. They are intentionally separate from JsonRpcError, which is a valid wire error object that can be sent to a peer.

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JsonRpcError

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pub struct JsonRpcError {
  code : JsonRpcErrorCode
  message : String
  data : Json?
} derive(Eq, 
Debug)

The structured error object carried by an error response.

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JsonRpcError::auth_required

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fn JsonRpcError::auth_required(data? : Json) -> JsonRpcError

Construct an authentication-required object using the standard message.

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JsonRpcError::internal_error

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fn JsonRpcError::internal_error(data? : Json) -> JsonRpcError

Construct an internal-error object using the standard message.

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JsonRpcError::invalid_params

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fn JsonRpcError::invalid_params(data? : Json) -> JsonRpcError

Construct an invalid-params object using the standard message.

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JsonRpcError::invalid_request

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fn JsonRpcError::invalid_request(data? : Json) -> JsonRpcError

Construct an invalid-request object using the standard message.

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JsonRpcError::method_not_found

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fn JsonRpcError::method_not_found(data? : Json) -> JsonRpcError

Construct a method-not-found object using the standard message.

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JsonRpcError::new

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fn JsonRpcError::new(code~ : JsonRpcErrorCode, message~ : String, data? : Json) -> JsonRpcError

Construct an error object with an explicit message and optional data.

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JsonRpcError::parse_error

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fn JsonRpcError::parse_error(data? : Json) -> JsonRpcError

Construct a parse-error object using the standard message.

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JsonRpcError::request_cancelled

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fn JsonRpcError::request_cancelled(data? : Json) -> JsonRpcError

Construct a request-cancelled object using the standard message.

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JsonRpcError::resource_not_found

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fn JsonRpcError::resource_not_found(data? : Json) -> JsonRpcError

Construct a resource-not-found object using the standard message.

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JsonRpcErrorCode

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pub(all) enum JsonRpcErrorCode {
  ParseError
  InvalidRequest
  MethodNotFound
  InvalidParams
  InternalError
  RequestCancelled
  AuthRequired
  ResourceNotFound
  Custom(Int)
} derive(Eq, 
Debug)

Standard JSON-RPC and ACP error codes.

Custom preserves an otherwise unknown signed 32-bit wire code instead of mapping it to a success or a known error.

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JsonRpcErrorCode::default_message

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fn JsonRpcErrorCode::default_message(self : JsonRpcErrorCode) -> String

The standard message associated with a known code.

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JsonRpcErrorCode::from_int

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fn JsonRpcErrorCode::from_int(code : Int) -> JsonRpcErrorCode

Decode a signed integer error code, retaining unknown values as Custom.

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JsonRpcErrorCode::to_int

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fn JsonRpcErrorCode::to_int(self : JsonRpcErrorCode) -> Int

Return the signed integer represented by an error code.

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JsonRpcFailure

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pub struct JsonRpcFailure {
  id : JsonRpcId
  error : JsonRpcError
} derive(Eq, 
Debug)

An error JSON-RPC response envelope.

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JsonRpcId

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#alias(ResponseId)
pub(all) enum JsonRpcId {
  String(String)
  Number(Int64)
  Null
} derive(Eq, 
Debug)

A JSON-RPC response envelope identifier.

Response errors may carry null when a request identifier cannot be determined. Correlatable request and success identifiers use RequestId, which also permits null in the pinned ACP v1 schema.

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JsonRpcMessage

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pub(all) enum JsonRpcMessage {
  Request(JsonRpcRequest)
  Notification(JsonRpcNotification)
  Response(JsonRpcResponse)
} derive(Eq, 
Debug)

A decoded JSON-RPC message.

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JsonRpcMessage::notification

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fn JsonRpcMessage::notification(notification : JsonRpcNotification) -> JsonRpcMessage

Construct a JSON-RPC message from a notification envelope.

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JsonRpcMessage::request

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fn JsonRpcMessage::request(request : JsonRpcRequest) -> JsonRpcMessage

Construct a JSON-RPC message from a request envelope.

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JsonRpcMessage::response

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fn JsonRpcMessage::response(response : JsonRpcResponse) -> JsonRpcMessage

Construct a JSON-RPC message from a response envelope.

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JsonRpcNotification

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pub struct JsonRpcNotification {
  method_name : String
  params : Json?
} derive(Eq, 
Debug)

A JSON-RPC notification envelope.

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JsonRpcNotification::new

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fn JsonRpcNotification::new(method_name~ : String, params? : Json) -> JsonRpcNotification raise JsonRpcCodecError

Construct a notification envelope. params is omitted when it is None.

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JsonRpcRequest

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pub struct JsonRpcRequest {
  id : RequestId
  method_name : String
  params : Json?
} derive(Eq, 
Debug)

A JSON-RPC request envelope.

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JsonRpcRequest::new

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fn JsonRpcRequest::new(id~ : RequestId, method_name~ : String, params? : Json) -> JsonRpcRequest raise JsonRpcCodecError

Construct a request envelope. params is omitted when it is None.

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JsonRpcResponse

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pub(all) enum JsonRpcResponse {
  Success(JsonRpcSuccess)
  Error(JsonRpcFailure)
} derive(Eq, 
Debug)

The two mutually exclusive JSON-RPC response forms.

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JsonRpcResponse::error

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Construct an error response envelope.

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JsonRpcResponse::success

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fn JsonRpcResponse::success(id~ : RequestId, result~ : Json) -> JsonRpcResponse

Construct a successful response envelope.

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JsonRpcSuccess

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pub struct JsonRpcSuccess {
  id : RequestId
  result : Json
} derive(Eq, 
Debug)

A successful JSON-RPC response envelope.

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RequestId

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pub(all) enum RequestId {
  String(String)
  Number(Int64)
  Null
} derive(Eq, 
Debug)

A request identifier that can be correlated to a request.

ACP's pinned v1 schema permits JSON null as a request identifier. It is a real identifier value, distinct from an omitted id field (which denotes a notification), and therefore remains in the typed correlation domain.

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JSON_RPC_VERSION

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let JSON_RPC_VERSION : String

The JSON-RPC protocol version implemented by this package.

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jsonrpc_decode

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fn jsonrpc_decode(source : String) -> JsonRpcMessage raise JsonRpcCodecError

Decode one complete JSON-RPC message from JSON text.

This function parses exactly one JSON value and then validates its complete envelope. It does not implement line framing; callers that use stdio must split frames before calling it.

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jsonrpc_decode_int64

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fn jsonrpc_decode_int64(value : Double, repr : String?, path~ : String) -> Int64 raise JsonRpcCodecError

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jsonrpc_decode_json

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fn jsonrpc_decode_json(value : Json) -> JsonRpcMessage raise JsonRpcCodecError

Decode one JSON-RPC message from an already parsed JSON value.

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jsonrpc_encode

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fn jsonrpc_encode(message : JsonRpcMessage) -> String raise JsonRpcCodecError

Encode one JSON-RPC message as compact JSON text.

The returned text contains no framing newline. Newline-delimited stdio is a runtime concern and must append its own delimiter.

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jsonrpc_to_json

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fn jsonrpc_to_json(message : JsonRpcMessage) -> Json raise JsonRpcCodecError

Encode one JSON-RPC message as a JSON value.

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