persist messages on sqlite db

.gitignore

@@ -1,3 +1,5 @@
+*.db
+
 # Binaries for programs and plugins
 *.exe
 *.exe~

cmd/root.go

@@ -14,8 +14,6 @@ import (
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 	"github.com/status-im/go-waku/waku/v2/node"
-	"github.com/status-im/go-waku/waku/v2/protocol"
-	store "github.com/status-im/go-waku/waku/v2/protocol/waku_store"
 )
 
 func randomHex(n int) (string, error) {
@@ -26,25 +24,6 @@ func randomHex(n int) (string, error) {
 	return hex.EncodeToString(bytes), nil
 }
 
-type DBStore struct {
-	store.MessageProvider
-}
-
-func (dbStore *DBStore) Put(message *protocol.WakuMessage) error {
-	fmt.Println("TODO: Implement MessageProvider.Put")
-	return nil
-}
-
-func (dbStore *DBStore) GetAll() ([]*protocol.WakuMessage, error) {
-	fmt.Println("TODO: Implement MessageProvider.GetAll. Returning a sample message")
-	exampleMessage := new(protocol.WakuMessage)
-	exampleMessage.ContentTopic = "dingpu"
-	exampleMessage.Payload = []byte("Hello!")
-	exampleMessage.Version = 0
-
-	return []*protocol.WakuMessage{exampleMessage}, nil
-}
-
 var rootCmd = &cobra.Command{
 	Use:   "waku",
 	Short: "Start a waku node",
@@ -56,9 +35,9 @@ var rootCmd = &cobra.Command{
 		relay, _ := cmd.Flags().GetBool("relay")
 		key, _ := cmd.Flags().GetString("nodekey")
 		store, _ := cmd.Flags().GetBool("store")
+		dbPath, _ := cmd.Flags().GetString("dbpath")
 		storenode, _ := cmd.Flags().GetString("storenode")
 		staticnodes, _ := cmd.Flags().GetStringSlice("staticnodes")
-		query, _ := cmd.Flags().GetBool("query")
 
 		hostAddr, _ := net.ResolveTCPAddr("tcp", fmt.Sprint("0.0.0.0:", port))
 
@@ -84,8 +63,14 @@ var rootCmd = &cobra.Command{
 			wakuNode.MountRelay()
 		}
 
-		if store {
-			err := wakuNode.MountStore(new(DBStore))
+		if store && dbPath != "" {
+			db, err := NewDBStore(dbPath)
+			if err != nil {
+				fmt.Println(err)
+				return
+			}
+
+			err = wakuNode.MountStore(db)
 			if err != nil {
 				fmt.Println(err)
 				return
@@ -108,32 +93,6 @@ var rootCmd = &cobra.Command{
 			}
 		}
 
-		if query {
-			if !store {
-				fmt.Println("Store protocol was not started")
-				return
-			}
-
-			var DefaultContentTopic string = "dingpu"
-
-			response, err := wakuNode.Query(DefaultContentTopic, true, 10)
-			if err != nil {
-				fmt.Println(err)
-				return
-			}
-
-			fmt.Println(fmt.Sprint("Page Size: ", response.PagingInfo.PageSize))
-			fmt.Println(fmt.Sprint("Direction: ", response.PagingInfo.Direction))
-			if response.PagingInfo.Cursor != nil {
-				fmt.Println(fmt.Sprint("Cursor - ReceivedTime: ", response.PagingInfo.Cursor.ReceivedTime))
-				fmt.Println(fmt.Sprint("Cursor - Digest: ", hex.EncodeToString(response.PagingInfo.Cursor.Digest)))
-			}
-			fmt.Println("Messages:")
-			for i, msg := range response.Messages {
-				fmt.Println(fmt.Sprint(i, "- ", string(msg.Payload))) // Normaly you'd have to decode these, but i'm using v0
-			}
-		}
-
 		// Wait for a SIGINT or SIGTERM signal
 		ch := make(chan os.Signal, 1)
 		signal.Notify(ch, syscall.SIGINT, syscall.SIGTERM)
@@ -158,9 +117,9 @@ func init() {
 	rootCmd.Flags().String("nodekey", "", "P2P node private key as hex (default random)")
 	rootCmd.Flags().StringSlice("staticnodes", []string{}, "Multiaddr of peer to directly connect with. Argument may be repeated")
 	rootCmd.Flags().Bool("store", false, "Enable store protocol")
+	rootCmd.Flags().String("dbpath", "./store.db", "Path to DB file")
 	rootCmd.Flags().String("storenode", "", "Multiaddr of peer to connect with for waku store protocol")
 	rootCmd.Flags().Bool("relay", true, "Enable relay protocol")
-	rootCmd.Flags().Bool("query", false, "Asks the storenode for stored messages")
 
 }
 

cmd/store.go

@@ -0,0 +1,101 @@
+package cmd
+
+import (
+	"database/sql"
+	"log"
+
+	_ "github.com/mattn/go-sqlite3"
+	"github.com/status-im/go-waku/waku/v2/protocol"
+	store "github.com/status-im/go-waku/waku/v2/protocol/waku_store"
+)
+
+type DBStore struct {
+	store.MessageProvider
+	db *sql.DB
+}
+
+func NewDBStore(path string) (*DBStore, error) {
+	db, err := sql.Open("sqlite3", path)
+	if err != nil {
+		return nil, err
+	}
+
+	result := &DBStore{db: db}
+
+	err = result.createTable()
+	if err != nil {
+		return nil, err
+	}
+
+	return result, nil
+}
+
+func (d *DBStore) createTable() error {
+	sqlStmt := `CREATE TABLE IF NOT EXISTS messages (
+		id BLOB PRIMARY KEY,
+		timestamp INTEGER NOT NULL,
+		contentTopic BLOB NOT NULL,
+		payload BLOB,
+		version INTEGER NOT NULL DEFAULT 0
+	) WITHOUT ROWID;`
+	_, err := d.db.Exec(sqlStmt)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func (d *DBStore) Stop() {
+	d.db.Close()
+}
+
+func (d *DBStore) Put(cursor *protocol.Index, message *protocol.WakuMessage) error {
+	stmt, err := d.db.Prepare("INSERT INTO messages (id, timestamp, contentTopic, payload, version) VALUES (?, ?, ?, ?, ?)")
+	if err != nil {
+		return err
+	}
+	_, err = stmt.Exec(cursor.Digest, uint64(message.Timestamp), message.ContentTopic, message.Payload, message.Version)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (d *DBStore) GetAll() ([]*protocol.WakuMessage, error) {
+	rows, err := d.db.Query("SELECT timestamp, contentTopic, payload, version FROM messages ORDER BY timestamp ASC")
+	if err != nil {
+		return nil, err
+	}
+
+	var result []*protocol.WakuMessage
+
+	defer rows.Close()
+
+	for rows.Next() {
+		var timestamp int64
+		var contentTopic string
+		var payload []byte
+		var version uint32
+
+		err = rows.Scan(&timestamp, &contentTopic, &payload, &version)
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		msg := new(protocol.WakuMessage)
+		msg.ContentTopic = contentTopic
+		msg.Payload = payload
+		msg.Timestamp = float64(timestamp)
+		msg.Version = version
+
+		result = append(result, msg)
+	}
+
+	err = rows.Err()
+	if err != nil {
+		return nil, err
+	}
+
+	return result, nil
+}

go.mod

@@ -12,6 +12,7 @@ require (
 	github.com/libp2p/go-libp2p-core v0.8.5
 	github.com/libp2p/go-msgio v0.0.6
 	github.com/magiconair/properties v1.8.4 // indirect
+	github.com/mattn/go-sqlite3 v1.14.6
 	github.com/mitchellh/mapstructure v1.4.1 // indirect
 	github.com/multiformats/go-multiaddr v0.3.1
 	github.com/multiformats/go-multiaddr-net v0.2.0

go.sum

@@ -450,6 +450,8 @@ github.com/mattn/go-colorable v0.1.1/go.mod h1:FuOcm+DKB9mbwrcAfNl7/TZVBZ6rcncea
 github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
 github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
 github.com/mattn/go-isatty v0.0.5/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
+github.com/mattn/go-sqlite3 v1.14.6 h1:dNPt6NO46WmLVt2DLNpwczCmdV5boIZ6g/tlDrlRUbg=
+github.com/mattn/go-sqlite3 v1.14.6/go.mod h1:NyWgC/yNuGj7Q9rpYnZvas74GogHl5/Z4A/KQRfk6bU=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
 github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b/go.mod h1:01TrycV0kFyexm33Z7vhZRXopbI8J3TDReVlkTgMUxE=
 github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=