Try adding test db with git-lfs

.gitattributes

@@ -0,0 +1 @@
+resources/tmp.db/MANIFEST-000010 filter=lfs diff=lfs merge=lfs -text

.gitignore

@@ -0,0 +1 @@
+.idea/

Dockerfile.action

@@ -1,5 +1,11 @@
 FROM jeffreypicard/hub-github-env
 
-COPY scripts/build_and_test.sh /build_and_test.sh
+# COPY scripts/build_and_test.sh /build_and_test.sh
+COPY . /hub
+WORKDIR /hub
 
-ENTRYPOINT ["/build_and_test.sh"]
+ENV CGO_LDFLAGS "-L/usr/local/lib -lrocksdb -lstdc++ -lm -lz -lsnappy -llz4 -lzstd"
+ENV CGO_CFLAGS "-I/usr/local/include/rocksdb"
+ENV LD_LIBRARY_PATH /usr/local/lib
+
+ENTRYPOINT ["scripts/build_and_test.sh"]

db/db.go

@@ -6,15 +6,57 @@ import (
 	"log"
 )
 
-func OpenDB(name string) {
+func OpenDB(name string) int {
+	// Read db
 	opts := grocksdb.NewDefaultOptions()
 	db, err := grocksdb.OpenDb(opts, name)
+	ro := grocksdb.NewDefaultReadOptions()
+	ro.SetFillCache(false)
 	if err != nil {
 		log.Println(err)
 	}
+
 	log.Println(db.Name())
+
+	it := db.NewIterator(ro)
+	defer it.Close()
+
+	var i = 0
+	it.Seek([]byte("foo"))
+	for it = it; it.Valid() && i < 10; it.Next() {
+		key := it.Key()
+		value := it.Value()
+
+		fmt.Printf("Key: %v Value: %v\n", key.Data(), value.Data())
+
+		key.Free()
+		value.Free()
+		i++
+	}
+	if err := it.Err(); err != nil {
+		log.Println(err)
+	}
+
+	return i
+}
+
+func OpenAndWriteDB(in string, out string) {
+	// Read db
+	opts := grocksdb.NewDefaultOptions()
+	db, err := grocksdb.OpenDb(opts, in)
 	ro := grocksdb.NewDefaultReadOptions()
 	ro.SetFillCache(false)
+	if err != nil {
+		log.Println(err)
+	}
+	// Write db
+	opts.SetCreateIfMissing(true)
+	db2, err := grocksdb.OpenDb(opts, out)
+	wo := grocksdb.NewDefaultWriteOptions()
+	defer db2.Close()
+
+	log.Println(db.Name())
+	log.Println(db2.Name())
 
 	it := db.NewIterator(ro)
 	defer it.Close()
@@ -25,6 +67,11 @@ func OpenDB(name string) {
 		key := it.Key()
 		value := it.Value()
 		fmt.Printf("Key: %v Value: %v\n", key.Data(), value.Data())
+
+		if err := db2.Put(wo, key.Data(), value.Data()); err != nil {
+			log.Println(err)
+		}
+
 		key.Free()
 		value.Free()
 		i++

db/db_test.go

@@ -9,21 +9,21 @@ func TestOpenDB(t *testing.T) {
 
 	tests := []struct {
 		name string
-		want string
+		want int
 	}{
 		{
 			name: "Open a rocksdb database",
-			want: "",
+			want: 10,
 		},
 	}
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			OpenDB("/mnt/d/data/wallet/lbry-rocksdb/")
-			got := ""
+			vals := OpenDB("../resources/tmp.db")
+			got := vals
 
 			if got != tt.want {
-				t.Errorf("got: %s, want: %s\n", got, tt.want)
+				t.Errorf("got: %d, want: %d\n", got, tt.want)
 			}
 		})
 	}

resources/tmp.db/CURRENT

@@ -0,0 +1 @@
+MANIFEST-000010

resources/tmp.db/IDENTITY

@@ -0,0 +1 @@
+b6f61266-9f2d-4712-a981-584bd5d6e0b3

resources/tmp.db/OPTIONS-000007

@@ -0,0 +1,187 @@
+# This is a RocksDB option file.
+#
+# For detailed file format spec, please refer to the example file
+# in examples/rocksdb_option_file_example.ini
+#
+
+[Version]
+  rocksdb_version=6.26.1
+  options_file_version=1.1
+
+[DBOptions]
+  max_open_files=-1
+  stats_history_buffer_size=1048576
+  stats_persist_period_sec=600
+  max_background_flushes=-1
+  stats_dump_period_sec=600
+  compaction_readahead_size=0
+  bytes_per_sync=0
+  delete_obsolete_files_period_micros=21600000000
+  max_total_wal_size=0
+  delayed_write_rate=16777216
+  wal_bytes_per_sync=0
+  writable_file_max_buffer_size=1048576
+  avoid_flush_during_shutdown=false
+  max_subcompactions=1
+  strict_bytes_per_sync=false
+  max_background_compactions=-1
+  base_background_compactions=-1
+  max_background_jobs=2
+  file_checksum_gen_factory=nullptr
+  db_host_id=__hostname__
+  bgerror_resume_retry_interval=1000000
+  best_efforts_recovery=false
+  avoid_unnecessary_blocking_io=false
+  two_write_queues=false
+  atomic_flush=false
+  preserve_deletes=false
+  allow_ingest_behind=false
+  lowest_used_cache_tier=kNonVolatileBlockTier
+  avoid_flush_during_recovery=false
+  info_log_level=INFO_LEVEL
+  access_hint_on_compaction_start=NORMAL
+  max_bgerror_resume_count=2147483647
+  write_thread_slow_yield_usec=3
+  allow_concurrent_memtable_write=true
+  WAL_ttl_seconds=0
+  manual_wal_flush=false
+  dump_malloc_stats=false
+  wal_recovery_mode=kPointInTimeRecovery
+  log_file_time_to_roll=0
+  enable_write_thread_adaptive_yield=true
+  recycle_log_file_num=0
+  table_cache_numshardbits=6
+  max_file_opening_threads=16
+  allow_data_in_errors=false
+  use_fsync=false
+  unordered_write=false
+  fail_if_options_file_error=false
+  random_access_max_buffer_size=1048576
+  new_table_reader_for_compaction_inputs=false
+  skip_checking_sst_file_sizes_on_db_open=false
+  skip_stats_update_on_db_open=false
+  persist_stats_to_disk=false
+  track_and_verify_wals_in_manifest=false
+  enable_pipelined_write=false
+  flush_verify_memtable_count=true
+  log_readahead_size=0
+  is_fd_close_on_exec=true
+  WAL_size_limit_MB=0
+  experimental_mempurge_threshold=0.000000
+  write_dbid_to_manifest=false
+  use_adaptive_mutex=false
+  error_if_exists=false
+  write_thread_max_yield_usec=100
+  enable_thread_tracking=false
+  db_write_buffer_size=0
+  create_missing_column_families=false
+  paranoid_checks=true
+  create_if_missing=true
+  wal_filter=nullptr
+  max_manifest_file_size=1073741824
+  allow_2pc=false
+  use_direct_io_for_flush_and_compaction=false
+  manifest_preallocation_size=4194304
+  use_direct_reads=false
+  allow_fallocate=true
+  max_write_batch_group_size_bytes=1048576
+  keep_log_file_num=1000
+  allow_mmap_reads=false
+  max_log_file_size=0
+  allow_mmap_writes=false
+  advise_random_on_open=true
+
+
+[CFOptions "default"]
+  bottommost_compression=kDisableCompressionOption
+  bottommost_compression_opts={max_dict_buffer_bytes=0;enabled=false;parallel_threads=1;zstd_max_train_bytes=0;strategy=0;max_dict_bytes=0;level=32767;window_bits=-14;}
+  sample_for_compression=0
+  blob_garbage_collection_force_threshold=1.000000
+  blob_file_size=268435456
+  compaction_options_universal={allow_trivial_move=false;incremental=false;stop_style=kCompactionStopStyleTotalSize;compression_size_percent=-1;max_size_amplification_percent=200;max_merge_width=4294967295;min_merge_width=2;size_ratio=1;}
+  compaction_options_fifo={allow_compaction=false;age_for_warm=0;max_table_files_size=1073741824;}
+  prefix_extractor=nullptr
+  max_bytes_for_level_multiplier_additional=1:1:1:1:1:1:1
+  max_bytes_for_level_base=268435456
+  memtable_whole_key_filtering=false
+  memtable_prefix_bloom_size_ratio=0.000000
+  enable_blob_files=false
+  target_file_size_base=67108864
+  memtable_huge_page_size=0
+  max_successive_merges=0
+  inplace_update_num_locks=10000
+  max_sequential_skip_in_iterations=8
+  arena_block_size=1048576
+  target_file_size_multiplier=1
+  max_write_buffer_number=2
+  write_buffer_size=67108864
+  blob_compression_type=kNoCompression
+  compression=kSnappyCompression
+  level0_stop_writes_trigger=36
+  level0_slowdown_writes_trigger=20
+  level0_file_num_compaction_trigger=4
+  ttl=2592000
+  max_compaction_bytes=1677721600
+  blob_garbage_collection_age_cutoff=0.250000
+  compression_opts={max_dict_buffer_bytes=0;enabled=false;parallel_threads=1;zstd_max_train_bytes=0;strategy=0;max_dict_bytes=0;level=32767;window_bits=-14;}
+  enable_blob_garbage_collection=false
+  soft_pending_compaction_bytes_limit=68719476736
+  paranoid_file_checks=false
+  periodic_compaction_seconds=0
+  check_flush_compaction_key_order=true
+  min_blob_size=0
+  hard_pending_compaction_bytes_limit=274877906944
+  disable_auto_compactions=false
+  max_bytes_for_level_multiplier=10.000000
+  report_bg_io_stats=false
+  compaction_pri=kMinOverlappingRatio
+  compaction_filter_factory=nullptr
+  comparator=leveldb.BytewiseComparator
+  sst_partitioner_factory=nullptr
+  bloom_locality=0
+  compaction_style=kCompactionStyleLevel
+  min_write_buffer_number_to_merge=1
+  max_write_buffer_size_to_maintain=0
+  max_write_buffer_number_to_maintain=0
+  merge_operator=nullptr
+  memtable_factory=SkipListFactory
+  memtable_insert_with_hint_prefix_extractor=nullptr
+  num_levels=7
+  force_consistency_checks=true
+  optimize_filters_for_hits=false
+  compaction_filter=nullptr
+  level_compaction_dynamic_level_bytes=false
+  inplace_update_support=false
+  table_factory=BlockBasedTable
+
+[TableOptions/BlockBasedTable "default"]
+  pin_top_level_index_and_filter=true
+  block_align=false
+  read_amp_bytes_per_bit=0
+  verify_compression=false
+  enable_index_compression=true
+  whole_key_filtering=true
+  max_auto_readahead_size=262144
+  optimize_filters_for_memory=false
+  index_block_restart_interval=1
+  prepopulate_block_cache=kDisable
+  block_restart_interval=16
+  block_size=4096
+  format_version=5
+  partition_filters=false
+  block_size_deviation=10
+  no_block_cache=false
+  checksum=kCRC32c
+  data_block_hash_table_util_ratio=0.750000
+  index_shortening=kShortenSeparators
+  data_block_index_type=kDataBlockBinarySearch
+  hash_index_allow_collision=true
+  filter_policy=nullptr
+  metadata_block_size=4096
+  index_type=kBinarySearch
+  metadata_cache_options={unpartitioned_pinning=kFallback;partition_pinning=kFallback;top_level_index_pinning=kFallback;}
+  pin_l0_filter_and_index_blocks_in_cache=false
+  cache_index_and_filter_blocks_with_high_priority=true
+  cache_index_and_filter_blocks=false
+  flush_block_policy_factory=FlushBlockBySizePolicyFactory
+