Marko/tm cmn to db (#14)

* tm-cmn to tm-db

* minor change

* root level files

db/backend_test.go → backend_test.go

@@ -9,8 +9,6 @@ import (
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-
-	cmn "github.com/tendermint/tendermint/libs/common"
 )
 
 func cleanupDBDir(dir, name string) {
@@ -59,7 +57,7 @@ func TestBackendsGetSetDelete(t *testing.T) {
 }
 
 func withDB(t *testing.T, creator dbCreator, fn func(DB)) {
-	name := fmt.Sprintf("test_%x", cmn.RandStr(12))
+	name := fmt.Sprintf("test_%x", RandStr(12))
 	dir := os.TempDir()
 	db, err := creator(name, dir)
 	require.Nil(t, err)
@@ -149,7 +147,7 @@ func TestBackendsNilKeys(t *testing.T) {
 }
 
 func TestGoLevelDBBackend(t *testing.T) {
-	name := fmt.Sprintf("test_%x", cmn.RandStr(12))
+	name := fmt.Sprintf("test_%x", RandStr(12))
 	db := NewDB(name, GoLevelDBBackend, "")
 	defer cleanupDBDir("", name)
 
@@ -166,7 +164,7 @@ func TestDBIterator(t *testing.T) {
 }
 
 func testDBIterator(t *testing.T, backend DBBackendType) {
-	name := fmt.Sprintf("test_%x", cmn.RandStr(12))
+	name := fmt.Sprintf("test_%x", RandStr(12))
 	dir := os.TempDir()
 	db := NewDB(name, backend, dir)
 	defer cleanupDBDir(dir, name)

db/boltdb_test.go → boltdb_test.go

@@ -8,12 +8,10 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/require"
-
-	cmn "github.com/tendermint/tendermint/libs/common"
 )
 
 func TestBoltDBNewBoltDB(t *testing.T) {
-	name := fmt.Sprintf("test_%x", cmn.RandStr(12))
+	name := fmt.Sprintf("test_%x", RandStr(12))
 	dir := os.TempDir()
 	defer cleanupDBDir(dir, name)
 
@@ -23,7 +21,7 @@ func TestBoltDBNewBoltDB(t *testing.T) {
 }
 
 func BenchmarkBoltDBRandomReadsWrites(b *testing.B) {
-	name := fmt.Sprintf("test_%x", cmn.RandStr(12))
+	name := fmt.Sprintf("test_%x", RandStr(12))
 	db, err := NewBoltDB(name, "")
 	if err != nil {
 		b.Fatal(err)

db/c_level_db_test.go → c_level_db_test.go

@@ -5,12 +5,11 @@ package db
 import (
 	"bytes"
 	"fmt"
+	"math/rand"
 	"os"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
-
-	cmn "github.com/tendermint/tm-cmn/libs/common"
 )
 
 func BenchmarkRandomReadsWrites2(b *testing.B) {
@@ -21,7 +20,7 @@ func BenchmarkRandomReadsWrites2(b *testing.B) {
 	for i := 0; i < int(numItems); i++ {
 		internal[int64(i)] = int64(0)
 	}
-	db, err := NewCLevelDB(fmt.Sprintf("test_%x", cmn.RandStr(12)), "")
+	db, err := NewCLevelDB(fmt.Sprintf("test_%x", RandStr(12)), "")
 	if err != nil {
 		b.Fatal(err.Error())
 		return
@@ -33,7 +32,7 @@ func BenchmarkRandomReadsWrites2(b *testing.B) {
 	for i := 0; i < b.N; i++ {
 		// Write something
 		{
-			idx := (int64(cmn.RandInt()) % numItems)
+			idx := (int64(rand.Int()) % numItems)
 			internal[idx]++
 			val := internal[idx]
 			idxBytes := int642Bytes(int64(idx))
@@ -46,7 +45,7 @@ func BenchmarkRandomReadsWrites2(b *testing.B) {
 		}
 		// Read something
 		{
-			idx := (int64(cmn.RandInt()) % numItems)
+			idx := (int64(rand.Int()) % numItems)
 			val := internal[idx]
 			idxBytes := int642Bytes(int64(idx))
 			valBytes := db.Get(idxBytes)
@@ -89,7 +88,7 @@ func bytes2Int64(buf []byte) int64 {
 */
 
 func TestCLevelDBBackend(t *testing.T) {
-	name := fmt.Sprintf("test_%x", cmn.RandStr(12))
+	name := fmt.Sprintf("test_%x", RandStr(12))
 	// Can't use "" (current directory) or "./" here because levigo.Open returns:
 	// "Error initializing DB: IO error: test_XXX.db: Invalid argument"
 	dir := os.TempDir()
@@ -101,7 +100,7 @@ func TestCLevelDBBackend(t *testing.T) {
 }
 
 func TestCLevelDBStats(t *testing.T) {
-	name := fmt.Sprintf("test_%x", cmn.RandStr(12))
+	name := fmt.Sprintf("test_%x", RandStr(12))
 	dir := os.TempDir()
 	db := NewDB(name, CLevelDBBackend, dir)
 	defer cleanupDBDir(dir, name)

db/common_test.go → common_test.go

@@ -5,12 +5,12 @@ import (
 	"encoding/binary"
 	"fmt"
 	"io/ioutil"
+	"math/rand"
 	"sync"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-	cmn "github.com/tendermint/tendermint/libs/common"
 )
 
 //----------------------------------------
@@ -208,7 +208,7 @@ func benchmarkRandomReadsWrites(b *testing.B, db DB) {
 	for i := 0; i < b.N; i++ {
 		// Write something
 		{
-			idx := int64(cmn.RandInt()) % numItems
+			idx := int64(rand.Int()) % numItems // nolint:gosec testing file, so accepting weak random number generator
 			internal[idx]++
 			val := internal[idx]
 			idxBytes := int642Bytes(int64(idx))
@@ -219,7 +219,7 @@ func benchmarkRandomReadsWrites(b *testing.B, db DB) {
 
 		// Read something
 		{
-			idx := int64(cmn.RandInt()) % numItems
+			idx := int64(rand.Int()) % numItems // nolint:gosec testing file, so accepting weak random number generator
 			valExp := internal[idx]
 			idxBytes := int642Bytes(int64(idx))
 			valBytes := db.Get(idxBytes)

db/fsdb.go → fsdb.go

@@ -10,8 +10,6 @@ import (
 	"sync"
 
 	"github.com/pkg/errors"
-
-	cmn "github.com/tendermint/tendermint/libs/common"
 )
 
 const (
@@ -66,7 +64,7 @@ func (db *FSDB) Has(key []byte) bool {
 	key = escapeKey(key)
 
 	path := db.nameToPath(key)
-	return cmn.FileExists(path)
+	return FileExists(path)
 }
 
 func (db *FSDB) Set(key []byte, value []byte) {

go.mod

@@ -3,13 +3,15 @@ module github.com/tendermint/tm-db
 go 1.12
 
 require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/etcd-io/bbolt v1.3.3
 	github.com/golang/protobuf v1.3.2
 	github.com/jmhodges/levigo v1.0.0
 	github.com/pkg/errors v0.8.1
 	github.com/stretchr/testify v1.3.0
 	github.com/syndtr/goleveldb v1.0.1-0.20190318030020-c3a204f8e965
-	github.com/tendermint/tendermint v0.32.1
+	go.etcd.io/bbolt v1.3.3 // indirect
 	golang.org/x/net v0.0.0-20190628185345-da137c7871d7
+	google.golang.org/genproto v0.0.0-20181029155118-b69ba1387ce2 // indirect
 	google.golang.org/grpc v1.22.0
 )

go.sum

@@ -1,99 +1,43 @@
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 github.com/syndtr/goleveldb v1.0.1-0.20190318030020-c3a204f8e965 h1:1oFLiOyVl+W7bnBzGhf7BbIv9loSFQcieWWYIjLqcAw=
 github.com/syndtr/goleveldb v1.0.1-0.20190318030020-c3a204f8e965/go.mod h1:9OrXJhf154huy1nPWmuSrkgjPUtUNhA+Zmy+6AESzuA=
-github.com/tendermint/go-amino v0.14.1/go.mod h1:i/UKE5Uocn+argJJBb12qTZsCDBcAYMbR92AaJVmKso=
-github.com/tendermint/tendermint v0.32.1 h1:J8ddXMbCmG6GZjdCl/N1wgdXDU9uO91J2Y5CA9xYfGo=
-github.com/tendermint/tendermint v0.32.1/go.mod h1:jmPDAKuNkev9793/ivn/fTBnfpA9mGBww8MPRNPNxnU=
 go.etcd.io/bbolt v1.3.3 h1:MUGmc65QhB3pIlaQ5bB4LwqSj6GIonVJXpZiaKNyaKk=
 go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
-golang.org/x/crypto v0.0.0-20170930174604-9419663f5a44/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
-golang.org/x/crypto v0.0.0-20190228161510-8dd112bcdc25/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -108,16 +52,13 @@ golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a h1:1BGLXjeY4akVXGgbC9HugT3Jv
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8 h1:Nw54tB0rB7hY/N0NQvRW8DG4Yk3Q6T9cu9RcFQDu1tc=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
-google.golang.org/genproto v0.0.0-20180831171423-11092d34479b/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20181029155118-b69ba1387ce2 h1:67iHsV9djwGdZpdZNbLuQj6FOzCaZe3w+vhLjn5AcFA=
 google.golang.org/genproto v0.0.0-20181029155118-b69ba1387ce2/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
-google.golang.org/grpc v1.13.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
 google.golang.org/grpc v1.22.0 h1:J0UbZOIrCAl+fpTOf8YLs4dJo8L/owV4LYVtAXQoPkw=
 google.golang.org/grpc v1.22.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=

db/go_level_db_test.go → go_level_db_test.go

@@ -6,12 +6,10 @@ import (
 
 	"github.com/stretchr/testify/require"
 	"github.com/syndtr/goleveldb/leveldb/opt"
-
-	cmn "github.com/tendermint/tendermint/libs/common"
 )
 
 func TestGoLevelDBNewGoLevelDB(t *testing.T) {
-	name := fmt.Sprintf("test_%x", cmn.RandStr(12))
+	name := fmt.Sprintf("test_%x", RandStr(12))
 	defer cleanupDBDir("", name)
 
 	// Test we can't open the db twice for writing
@@ -31,7 +29,7 @@ func TestGoLevelDBNewGoLevelDB(t *testing.T) {
 }
 
 func BenchmarkGoLevelDBRandomReadsWrites(b *testing.B) {
-	name := fmt.Sprintf("test_%x", cmn.RandStr(12))
+	name := fmt.Sprintf("test_%x", RandStr(12))
 	db, err := NewGoLevelDB(name, "")
 	if err != nil {
 		b.Fatal(err)

db/remotedb/grpcdb/client.go → remotedb/grpcdb/client.go

@@ -4,7 +4,7 @@ import (
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials"
 
-	protodb "github.com/tendermint/tm-cmn/db/remotedb/proto"
+	protodb "github.com/tendermint/tm-db/remotedb/proto"
 )
 
 // NewClient creates a gRPC client connected to the bound gRPC server at serverAddr.

db/remotedb/grpcdb/example_test.go → remotedb/grpcdb/example_test.go

@@ -5,8 +5,8 @@ import (
 	"context"
 	"log"
 
-	grpcdb "github.com/tendermint/tm-cmn/db/remotedb/grpcdb"
-	protodb "github.com/tendermint/tm-cmn/db/remotedb/proto"
+	grpcdb "github.com/tendermint/tm-db/remotedb/grpcdb"
+	protodb "github.com/tendermint/tm-db/remotedb/proto"
 )
 
 func Example() {

db/remotedb/grpcdb/server.go → remotedb/grpcdb/server.go

@@ -9,8 +9,8 @@ import (
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials"
 
-	"github.com/tendermint/tm-cmn/db"
-	protodb "github.com/tendermint/tm-cmn/db/remotedb/proto"
+	db "github.com/tendermint/tm-db"
+	protodb "github.com/tendermint/tm-db/remotedb/proto"
 )
 
 // ListenAndServe is a blocking function that sets up a gRPC based

db/remotedb/remotedb.go → remotedb/remotedb.go

@@ -4,9 +4,9 @@ import (
 	"context"
 	"fmt"
 
-	"github.com/tendermint/tm-cmn/db"
-	"github.com/tendermint/tm-cmn/db/remotedb/grpcdb"
-	protodb "github.com/tendermint/tm-cmn/db/remotedb/proto"
+	db "github.com/tendermint/tm-db"
+	"github.com/tendermint/tm-db/remotedb/grpcdb"
+	protodb "github.com/tendermint/tm-db/remotedb/proto"
 )
 
 type RemoteDB struct {

db/remotedb/remotedb_test.go → remotedb/remotedb_test.go

@@ -7,8 +7,8 @@ import (
 
 	"github.com/stretchr/testify/require"
 
-	"github.com/tendermint/tm-cmn/db/remotedb"
-	"github.com/tendermint/tm-cmn/db/remotedb/grpcdb"
+	"github.com/tendermint/tm-db/remotedb"
+	"github.com/tendermint/tm-db/remotedb/grpcdb"
 )
 
 func TestRemoteDB(t *testing.T) {