forked from cerc-io/ipfs-ethdb
50 lines
1.8 KiB
Go
50 lines
1.8 KiB
Go
// VulcanizeDB
|
|
// Copyright © 2019 Vulcanize
|
|
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package pgipfsethdb
|
|
|
|
import (
|
|
blockstore "github.com/ipfs/go-ipfs-blockstore"
|
|
dshelp "github.com/ipfs/go-ipfs-ds-help"
|
|
"github.com/jmoiron/sqlx"
|
|
_ "github.com/lib/pq" //postgres driver
|
|
"github.com/multiformats/go-multihash"
|
|
)
|
|
|
|
// MultihashKeyFromKeccak256 converts keccak256 hash bytes into a blockstore-prefixed multihash db key string
|
|
func MultihashKeyFromKeccak256(h []byte) (string, error) {
|
|
mh, err := multihash.Encode(h, multihash.KECCAK_256)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
dbKey := dshelp.MultihashToDsKey(mh)
|
|
return blockstore.BlockPrefix.String() + dbKey.String(), nil
|
|
}
|
|
|
|
// TestDB connect to the testing database
|
|
// it assumes the database has the IPFS public.blocks table present
|
|
// DO NOT use a production db for the test db, as it will remove all contents of the public.blocks table
|
|
func TestDB() (*sqlx.DB, error) {
|
|
connectStr := "postgresql://localhost:5432/vulcanize_testing?sslmode=disable"
|
|
return sqlx.Connect("postgres", connectStr)
|
|
}
|
|
|
|
// ResetTestDB drops all rows in the test db public.blocks table
|
|
func ResetTestDB(db *sqlx.DB) error {
|
|
_, err := db.Exec("TRUNCATE public.blocks CASCADE")
|
|
return err
|
|
}
|