syntax = "proto3";
package emerald.dshackle;
option java_package = "io.emeraldpay.dshackle.proto";
option java_outer_classname = "CachesProto";

message ValueContainer {
    ValueType type = 1;
    Compression compression = 2;
    bytes value = 3;

    oneof meta_type {
        BlockMeta block_meta = 4;
        TxMeta tx_meta = 5;
    }

    enum ValueType {
        UNKNOWN = 0;
        BLOCK = 1;
        TX = 2;
    }

    enum Compression {
        NONE = 0;
    }
}

message BlockMeta {
    uint64 height = 1;
    bytes hash = 2;
    bytes difficulty = 3;
    uint64 timestamp = 4;
    repeated bytes tx_hashes = 5;
}

message TxMeta {
    uint64 height = 1;
    bytes hash = 2;
    bytes block_hash = 3;
}