plugeth-statediff/indexer/interfaces/interfaces.go

75 lines
2.6 KiB
Go

// VulcanizeDB
// Copyright © 2021 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 interfaces
import (
"context"
"math/big"
"time"
"github.com/cerc-io/plugeth-statediff/indexer/models"
"github.com/cerc-io/plugeth-statediff/indexer/shared"
sdtypes "github.com/cerc-io/plugeth-statediff/types"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
)
// StateDiffIndexer interface required to index statediff data
type StateDiffIndexer interface {
DetectGaps(beginBlock uint64, endBlock uint64) ([]*BlockGap, error)
CurrentBlock() (*models.HeaderModel, error)
HasBlock(hash common.Hash, number uint64) (bool, error)
PushBlock(block *types.Block, receipts types.Receipts, totalDifficulty *big.Int) (Batch, error)
PushHeader(batch Batch, header *types.Header, reward, td *big.Int) (string, error)
PushStateNode(tx Batch, stateNode sdtypes.StateLeafNode, headerID string) error
PushIPLD(tx Batch, ipld sdtypes.IPLD) error
ReportDBMetrics(delay time.Duration, quit <-chan bool)
BeginTx(number *big.Int, ctx context.Context) Batch
// Methods used by WatchAddress API/functionality
LoadWatchedAddresses() ([]common.Address, error)
InsertWatchedAddresses(addresses []sdtypes.WatchAddressArg, currentBlock *big.Int) error
RemoveWatchedAddresses(addresses []sdtypes.WatchAddressArg) error
SetWatchedAddresses(args []sdtypes.WatchAddressArg, currentBlockNumber *big.Int) error
ClearWatchedAddresses() error
Close() error
}
// Batch required for indexing data atomically
type Batch interface {
// Submit commits the batch transaction
Submit() error
// BlockNumber is the block number of the header this batch contains
BlockNumber() string
// RollbackOnFailure rolls back the batch transaction if the error is not nil
RollbackOnFailure(error)
}
// Config used to configure different underlying implementations
type Config interface {
Type() shared.DBType
}
// Used to represent a gap in statediffed blocks
type BlockGap struct {
FirstMissing uint64 `json:"firstMissing"`
LastMissing uint64 `json:"lastMissing"`
}