/
filters.go
51 lines (46 loc) · 1.86 KB
/
filters.go
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// Copyright 2022 Match Foundation
// This file is part of the Match Network packages.
//
// Match is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The Match packages are 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the Match packages. If not, see https://github.com/matchain/match/blob/main/LICENSE
package backend
import (
"github.com/ethereum/go-ethereum/common"
ethtypes "github.com/ethereum/go-ethereum/core/types"
"github.com/pkg/errors"
)
// GetLogs returns all the logs from all the ethereum transactions in a block.
func (b *Backend) GetLogs(hash common.Hash) ([][]*ethtypes.Log, error) {
resBlock, err := b.TendermintBlockByHash(hash)
if err != nil {
return nil, err
}
if resBlock == nil {
return nil, errors.Errorf("block not found for hash %s", hash)
}
return b.GetLogsByHeight(&resBlock.Block.Header.Height)
}
// GetLogsByHeight returns all the logs from all the ethereum transactions in a block.
func (b *Backend) GetLogsByHeight(height *int64) ([][]*ethtypes.Log, error) {
// NOTE: we query the state in case the tx result logs are not persisted after an upgrade.
blockRes, err := b.TendermintBlockResultByNumber(height)
if err != nil {
return nil, err
}
return GetLogsFromBlockResults(blockRes)
}
// BloomStatus returns the BloomBitsBlocks and the number of processed sections maintained
// by the chain indexer.
func (b *Backend) BloomStatus() (uint64, uint64) {
return 4096, 0
}