2023-07-03 18:19:23 +02:00

112 lines
2.5 KiB
Protocol Buffer

syntax = "proto3";
package consensusProto;
option go_package = "consensus/consensusproto";
enum ErrCodes {
Unexpected = 0;
LogExists = 1;
LogNotFound = 2;
RecordConflict = 3;
ErrorOffset = 500;
}
message Log {
string id = 1;
bytes payload = 2;
repeated RawRecordWithId records = 3;
}
// RawRecord is a proto message containing the payload in bytes, signature of the account who added it and signature of the acceptor
message RawRecord {
bytes payload = 1;
bytes signature = 2;
bytes acceptorIdentity = 3;
bytes acceptorSignature = 4;
}
// RawRecordWithId is a raw record and the id for convenience
message RawRecordWithId {
bytes payload = 1;
string id = 2;
}
// Record is a record containing a data
message Record {
string prevId = 1;
bytes identity = 2;
bytes data = 3;
int64 timestamp = 4;
}
service Consensus {
// AddLog adds new log to consensus
rpc LogAdd(LogAddRequest) returns (Ok);
// AddRecord adds new record to log
rpc RecordAdd(RecordAddRequest) returns (RawRecordWithId);
// WatchLog fetches log and subscribes for a changes
rpc LogWatch(stream LogWatchRequest) returns (stream LogWatchEvent);
}
message Ok {}
message LogAddRequest {
Log log = 1;
}
message RecordAddRequest {
string logId = 1;
RawRecord record = 2;
}
message LogWatchRequest {
repeated string watchIds = 1;
repeated string unwatchIds = 2;
}
message LogWatchEvent {
string logId = 1;
repeated RawRecordWithId records = 2;
Err error = 3;
}
message Err {
ErrCodes error = 1;
}
// LogSyncContentValue provides different types for log sync
message LogSyncContentValue {
oneof value {
LogHeadUpdate headUpdate = 1;
LogFullSyncRequest fullSyncRequest = 2;
LogFullSyncResponse fullSyncResponse = 3;
}
}
// LogSyncMessage is a message sent when we are syncing logs
message LogSyncMessage {
string id = 1;
bytes payload = 2;
LogSyncContentValue content = 3;
}
// LogHeadUpdate is a message sent on consensus log head update
message LogHeadUpdate {
string head = 1;
repeated RawRecordWithId records = 2;
}
// LogFullSyncRequest is a message sent when consensus log needs full sync
message LogFullSyncRequest {
string head = 1;
repeated RawRecordWithId records = 2;
}
// LogFullSyncResponse is a message sent as a response for a specific full sync
message LogFullSyncResponse {
string head = 1;
repeated RawRecordWithId records = 2;
}