48 lines
1.9 KiB
Go
48 lines
1.9 KiB
Go
// VulcanizeDB
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// Copyright © 2019 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 eth
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import (
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"context"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/bloombits"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/event"
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"github.com/ethereum/go-ethereum/rpc"
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)
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// FilterBackend is the geth interface we need to satisfy to use their filters
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type FilterBackend interface {
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ChainDb() ethdb.Database
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HeaderByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*types.Header, error)
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HeaderByHash(ctx context.Context, blockHash common.Hash) (*types.Header, error)
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GetReceipts(ctx context.Context, blockHash common.Hash) (types.Receipts, error)
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GetLogs(ctx context.Context, blockHash common.Hash) ([][]*types.Log, error)
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SubscribeNewTxsEvent(chan<- core.NewTxsEvent) event.Subscription
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SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription
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SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEvent) event.Subscription
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SubscribeLogsEvent(ch chan<- []*types.Log) event.Subscription
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SubscribePendingLogsEvent(ch chan<- []*types.Log) event.Subscription
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BloomStatus() (uint64, uint64)
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ServiceFilter(ctx context.Context, session *bloombits.MatcherSession)
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}
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