syntax = "proto3";
package quartermaster.v1;

import "google/protobuf/timestamp.proto";

service QuartermasterNotary {
    rpc CreateAnchor (CreateAnchorRequest) returns (CreateAnchorResponse);
    rpc GetLatestAnchor (GetLatestAnchorRequest) returns (GetLatestAnchorResponse);
    rpc VerifyInclusion (VerifyInclusionRequest) returns (VerifyInclusionResponse);
}

message CreateAnchorRequest {
    string cluster_id = 1;
    repeated bytes leaves = 2;
    int64 etcd_revision = 3;  // 0 means not set
}

message CreateAnchorResponse {
    string anchor_id = 1;
    bytes merkle_root = 2;
    bytes previous_root = 3;
    int32 leaf_count = 4;
    google.protobuf.Timestamp time = 5;
}

message GetLatestAnchorRequest {
    string cluster_id = 1;
}

message GetLatestAnchorResponse {
    string anchor_id = 1;
    string cluster_id = 2;
    bytes merkle_root = 3;
    bytes previous_root = 4;
    int64 etcd_revision = 5;
    int32 leaf_count = 6;
    google.protobuf.Timestamp time = 7;
}

message VerifyInclusionRequest {
    string anchor_id = 1;
    bytes leaf = 2;
    repeated bytes proof = 3;
}

message VerifyInclusionResponse {
    bool valid = 1;
}