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2ad6ca10cf
* Ropsten preverified hashes * Pre-verified hashes for mainnet, skip analysis Co-authored-by: Alexey Sharp <alexeysharp@Alexeys-iMac.local>
49 lines
2.2 KiB
Go
49 lines
2.2 KiB
Go
// Copyright 2020 The erigon Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser 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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//
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// The go-ethereum library 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 Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package core
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import (
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"github.com/ledgerwatch/erigon/params"
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)
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// MainnetNotCheckedFrom is the first block number not yet checked for invalid jumps
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const MainnetNotCheckedFrom uint64 = 13627700
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// SkipAnalysis function tells us whether we can skip performing jumpdest analysis
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// for the historical blocks (on mainnet now but perhaps on the testsnets
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// in the future), because we have verified that there were only a few blocks
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// where codeBitmap was useful. Invalid jumps either did not occur, or were
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// prevented simply by checking whether the jump destination has JUMPDEST opcode
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// Mainnet transactions that use jumpdest analysis are:
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// 0x88a1f2a9f048a21fd944b28ad9962f533ab5d3c40e17b1bc3f99ae999a4021b2 (block 6426432)
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// 0x86e55d1818b5355424975de9633a57c40789ca08552297b726333a9433949c92 (block 6426298)
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// 0x3666640316df11865abd1352f4c0b4c5126f8ac1d858ef2a0c6e744a4865bca2 (block 5800596)
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// 0xcdb5bf0b4b51093e1c994f471921f88623c9d3e1b6aa2782049f53a0048f2b32 (block 11079912)
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// 0x21ab7bf7245a87eae265124aaf180d91133377e47db2b1a4866493ec4b371150 (block 13140429)
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func SkipAnalysis(config *params.ChainConfig, blockNumber uint64) bool {
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if config != params.MainnetChainConfig {
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return false
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}
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if blockNumber >= MainnetNotCheckedFrom { // We have not checked beyond that block
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return false
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}
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if blockNumber == 6426298 || blockNumber == 6426432 || blockNumber == 5800596 || blockNumber == 11079912 || blockNumber == 13140429 {
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return false
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}
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return true
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}
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