remove all dbs except for goleveldb + memdb

.github/dependabot.yml

@@ -28,11 +28,6 @@ updates:
       everything-else:
         patterns:
           - "*"
-        exclude-patterns:
-          # NOTE: grocksdb should be updated manually, to match the version
-          # available on Ubuntu's latest LTS release; and updated in conjunction
-          # with the ubuntu version on .github/workflows/db-tests.yml
-          - "github.com/linxGnu/grocksdb"
     open-pull-requests-limit: 10
     pull-request-branch-name:
       separator: "-"

.github/workflows/lint.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Lint
         uses: golangci/golangci-lint-action@v3
         env:
-          # Don't attempt to compile/resolve C packages (grocksdb, cleveldb).
+          # Don't attempt to compile/resolve C packages.
           CGO_ENABLED: 0
         with:
           # sync with misc/devdeps/go.mod

.github/workflows/tm2.yml

@@ -55,7 +55,7 @@ jobs:
           - _test.pkg.amino
           - _test.pkg.bft
           - _test.pkg.others
-          # _test.pkg.db needs special dependencies -- see db-tests.
+          - _test.pkg.db
     runs-on: ubuntu-latest
     timeout-minutes: 21
     steps:

go.mod

@@ -18,17 +18,14 @@ require (
 	github.com/gorilla/websocket v1.5.1
 	github.com/gotuna/gotuna v0.6.0
 	github.com/jaekwon/testify v1.6.1
-	github.com/jmhodges/levigo v1.0.0
 	github.com/libp2p/go-buffer-pool v0.1.0
-	github.com/linxGnu/grocksdb v1.6.20
 	github.com/mattn/go-runewidth v0.0.15
 	github.com/pelletier/go-toml v1.9.5
 	github.com/peterbourgon/ff/v3 v3.4.0
 	github.com/pmezard/go-difflib v1.0.0
 	github.com/rogpeppe/go-internal v1.11.0
 	github.com/rs/cors v1.10.1
 	github.com/stretchr/testify v1.8.4
-	go.etcd.io/bbolt v1.3.8
 	go.uber.org/multierr v1.10.0
 	go.uber.org/zap v1.24.0
 	go.uber.org/zap/exp v0.1.0

tm2/Makefile

@@ -50,8 +50,4 @@ GOTEST_FLAGS ?= -v -p 1 -timeout=30m
 _test.pkg.others:;  go test $(GOTEST_FLAGS) `go list ./pkg/... | grep -Ev 'pkg/(amino|bft|db|iavl/benchmarks)(/|$$)'`
 _test.pkg.amino:;   go test $(GOTEST_FLAGS) ./pkg/amino/...
 _test.pkg.bft:;     go test $(GOTEST_FLAGS) ./pkg/bft/...
-
-CGO_ENABLED ?= 0
-_test.pkg.db:
-	@[ -z "$$CGO_ENABLED" ] && echo 'Disabling cgo for database tests. Use CGO_ENABLED=1 to enable it if you have the correct libs' || true
-	CGO_ENABLED=$(CGO_ENABLED) go test $(GOTEST_FLAGS) ./pkg/db/... ./pkg/iavl/benchmarks/...
+_test.pkg.db:;      go test $(GOTEST_FLAGS) ./pkg/db/... ./pkg/iavl/benchmarks/...

tm2/pkg/bft/config/config.go

@@ -31,9 +31,7 @@ var (
 )
 
 const (
-	levelDBName  = "goleveldb"
-	clevelDBName = "cleveldb"
-	boltDBName   = "boltdb"
+	levelDBName = "goleveldb"
 )
 
 const (
@@ -243,19 +241,11 @@ type BaseConfig struct {
 	// and verifying their commits
 	FastSyncMode bool `toml:"fast_sync" comment:"If this node is many blocks behind the tip of the chain, FastSync\n allows them to catchup quickly by downloading blocks in parallel\n and verifying their commits"`
 
-	// Database backend: goleveldb | cleveldb | boltdb
+	// Database backend: goleveldb
 	// * goleveldb (github.com/gnolang/goleveldb - most popular implementation)
 	//   - pure go
 	//   - stable
-	// * cleveldb (uses levigo wrapper)
-	//   - fast
-	//   - requires gcc
-	//   - use cleveldb build tag (go build -tags cleveldb)
-	// * boltdb (uses etcd's fork of bolt - go.etcd.io/bbolt)
-	//   - EXPERIMENTAL
-	//   - may be faster is some use-cases (random reads - indexer)
-	//   - use boltdb build tag (go build -tags boltdb)
-	DBBackend string `toml:"db_backend" comment:"Database backend: goleveldb | cleveldb | boltdb\n * goleveldb (github.com/gnolang/goleveldb - most popular implementation)\n  - pure go\n  - stable\n * cleveldb (uses levigo wrapper)\n  - fast\n  - requires gcc\n  - use cleveldb build tag (go build -tags cleveldb)\n * boltdb (uses etcd's fork of bolt - go.etcd.io/bbolt)\n  - EXPERIMENTAL\n  - may be faster is some use-cases (random reads - indexer)\n  - use boltdb build tag (go build -tags boltdb)"`
+	DBBackend string `toml:"db_backend" comment:"Database backend: goleveldb\n * goleveldb (github.com/gnolang/goleveldb - most popular implementation)\n  - pure go\n  - stable"`
 
 	// Database directory
 	DBPath string `toml:"db_dir" comment:"Database directory"`
@@ -365,9 +355,7 @@ func (cfg BaseConfig) ValidateBasic() error {
 	}
 
 	// Verify the DB backend
-	if cfg.DBBackend != levelDBName &&
-		cfg.DBBackend != clevelDBName &&
-		cfg.DBBackend != boltDBName {
+	if cfg.DBBackend != levelDBName {
 		return errInvalidDBBackend
 	}
 

tm2/pkg/db/_all/all.go

@@ -1,13 +1,7 @@
 // Package all imports all available databases. It is useful mostly in tests.
-//
-// cgo databases (rocksdb, cleveldb) will be excluded if CGO_ENABLED=0.
 package all
 
 import (
-	// Keep in sync with list of non-cgo backends.
-	// Add cgo backends in all_cgo.go.
-	_ "github.com/gnolang/gno/tm2/pkg/db/boltdb"
-	_ "github.com/gnolang/gno/tm2/pkg/db/fsdb"
 	_ "github.com/gnolang/gno/tm2/pkg/db/goleveldb"
 	_ "github.com/gnolang/gno/tm2/pkg/db/memdb"
 )