com.swirlds.merkledb.files.merkledb_metadata.proto Maven / Gradle / Ivy

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Swirlds is a software platform designed to build fully-distributed applications that harness the power of the cloud without servers. Now you can develop applications with fairness in decision making, speed, trust and reliability, at a fraction of the cost of traditional server-based platforms.

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syntax = "proto3";

package merkledb;

option java_package = "com.swirlds.merkledb";
option java_multiple_files = true;

message DatabaseMetadata {

  // Tables
  repeated TableMetadata tableMetadata = 11;
}

message TableMetadata {

  // Table ID
  optional uint32 tableId = 1;

  // Table name
  bytes tableName = 2;

  // Table config
  TableConfig tableConfig = 3;
}

message TableConfig {

  // Hash version
  optional uint32 hashVersion = 1;

  // Digest type ID: 0x58ff811b for SHA_384 (default), 0x8fc9497e for SHA_512
  optional uint32 digestTypeId = 2;

  optional uint32 keyVersion = 3;

  uint64 keySerializerClassId = 4;

  optional uint32 valueVersion = 5;

  uint64 valueSerializerClassId = 6;

  // Bool
  optional uint32 preferDiskIndicies = 7;

  optional uint64 maxNumberOfKeys = 8;

  optional uint64 hashesRamToDiskThreshold = 9;
}