39 lines
1.3 KiB
Go
39 lines
1.3 KiB
Go
// VulcanizeDB
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// Copyright © 2018 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package core
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import (
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"math/big"
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"github.com/ethereum/go-ethereum"
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"github.com/ethereum/go-ethereum/core/types"
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)
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type BlockChain interface {
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ContractDataFetcher
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GetBlockByNumber(blockNumber int64) (Block, error)
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GetHeaderByNumber(blockNumber int64) (Header, error)
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GetLogs(contract Contract, startingBlockNumber *big.Int, endingBlockNumber *big.Int) ([]Log, error)
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GetEthLogsWithCustomQuery(query ethereum.FilterQuery) ([]types.Log, error)
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LastBlock() *big.Int
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Node() Node
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}
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type ContractDataFetcher interface {
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FetchContractData(abiJSON string, address string, method string, methodArgs []interface{}, result interface{}, blockNumber int64) error
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}
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