status-go/protocol/transport/persistence.go
RichΛrd 40359f9c1b
go-waku integration (#2247)
* Adding wakunode module
* Adding wakuv2 fleet files
* Add waku fleets to update-fleet-config script
* Adding config items for waku v2
* Conditionally start waku v2 node depending on config
* Adapting common code to use go-waku
* Setting log level to info
* update dependencies
* update fleet config to use WakuNodes instead of BootNodes
* send and receive messages
* use hash returned when publishing a message
* add waku store protocol
* trigger signal after receiving store messages
* exclude linting rule SA1019 to check deprecated packages
2021-06-16 16:19:45 -04:00

61 lines
1.1 KiB
Go

package transport
import (
"database/sql"
"fmt"
)
type SqlitePersistence struct {
db *sql.DB
tableName string
}
func newSQLitePersistence(db *sql.DB, tableName string) *SqlitePersistence {
return &SqlitePersistence{db: db, tableName: tableName}
}
func (s *SqlitePersistence) Add(chatID string, key []byte) error {
statement := fmt.Sprintf("INSERT INTO %s(chat_id, key) VALUES(?, ?)", s.tableName)
stmt, err := s.db.Prepare(statement)
if err != nil {
return err
}
defer stmt.Close()
_, err = stmt.Exec(chatID, key)
return err
}
func (s *SqlitePersistence) All() (map[string][]byte, error) {
keys := make(map[string][]byte)
statement := fmt.Sprintf("SELECT chat_id, key FROM %s", s.tableName)
stmt, err := s.db.Prepare(statement)
if err != nil {
return nil, err
}
defer stmt.Close()
rows, err := stmt.Query()
if err != nil && err != sql.ErrNoRows {
return nil, err
}
defer rows.Close()
for rows.Next() {
var (
chatID string
key []byte
)
err := rows.Scan(&chatID, &key)
if err != nil {
return nil, err
}
keys[chatID] = key
}
return keys, nil
}