syntax = "proto3";

package go.micro.store;

service Store {
	rpc Read(ReadRequest) returns (ReadResponse) {};
	rpc Write(WriteRequest) returns (WriteResponse) {};
	rpc Delete(DeleteRequest) returns (DeleteResponse) {};
	rpc Sync(SyncRequest) returns (stream SyncResponse) {};
}

message Record {
	// key of the record
	string key = 1;
	// value in the record
	bytes value = 2;
	// timestamp in unix seconds
	int64 expiry = 3;
}

message ReadRequest {
	repeated string keys = 1;
}

message ReadResponse {
	repeated Record records = 1;
}

message WriteRequest {
	repeated Record records = 2;
}

message WriteResponse {}

message DeleteRequest {
	repeated string keys = 1;
}

message DeleteResponse {}

message SyncRequest {
	// optional key
	string key = 1;
}

message SyncResponse {
	repeated Record records = 1;
}