rosetta-lbry/indexer/coin_storage_helper.go
Patrick O'Grady a3c00fe9a7
progress
2020-12-02 11:02:17 -06:00

39 lines
1.3 KiB
Go

// Copyright 2020 Coinbase, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package indexer
import (
"context"
"github.com/coinbase/rosetta-sdk-go/storage/database"
"github.com/coinbase/rosetta-sdk-go/storage/modules"
"github.com/coinbase/rosetta-sdk-go/types"
)
var _ modules.CoinStorageHelper = (*CoinStorageHelper)(nil)
// CoinStorageHelper implements storage.CoinStorageHelper.
type CoinStorageHelper struct {
b *modules.BlockStorage
}
// CurrentBlockIdentifier returns the current head block identifier
// and is used to comply with the CoinStorageHelper interface.
func (h *CoinStorageHelper) CurrentBlockIdentifier(
ctx context.Context,
transaction database.Transaction,
) (*types.BlockIdentifier, error) {
return h.b.GetHeadBlockIdentifierTransactional(ctx, transaction)
}