40 lines
1.4 KiB
Go
40 lines
1.4 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 core
|
|
|
|
import (
|
|
"math/big"
|
|
|
|
"github.com/ethereum/go-ethereum"
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
)
|
|
|
|
type BlockChain interface {
|
|
ContractDataFetcher
|
|
GetBlockByNumber(blockNumber int64) (Block, error)
|
|
GetHeaderByNumber(blockNumber int64) (Header, error)
|
|
GetHeaderByNumbers(blockNumbers []int64) ([]Header, error)
|
|
GetLogs(contract Contract, startingBlockNumber *big.Int, endingBlockNumber *big.Int) ([]Log, error)
|
|
GetEthLogsWithCustomQuery(query ethereum.FilterQuery) ([]types.Log, error)
|
|
LastBlock() (*big.Int, error)
|
|
Node() Node
|
|
}
|
|
|
|
type ContractDataFetcher interface {
|
|
FetchContractData(abiJSON string, address string, method string, methodArgs []interface{}, result interface{}, blockNumber int64) error
|
|
}
|