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// Copyright 2019 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library 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 go-ethereum library 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package forkid
import (
"bytes"
"math"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rlp"
)
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func u64 ( val uint64 ) * uint64 { return & val }
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// TestCreation tests that different genesis and fork rule combinations result in
// the correct fork ID.
func TestCreation ( t * testing . T ) {
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// Temporary non-existent scenario TODO(karalabe): delete when Shanghai is enabled
timestampedConfig := * params . MainnetChainConfig
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timestampedConfig . ShanghaiTime = u64 ( 1668000000 )
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type testcase struct {
head uint64
time uint64
want ID
}
tests := [ ] struct {
config * params . ChainConfig
genesis common . Hash
cases [ ] testcase
} {
// Mainnet test cases
{
params . MainnetChainConfig ,
params . MainnetGenesisHash ,
[ ] testcase {
{ 0 , 0 , ID { Hash : checksumToBytes ( 0xfc64ec04 ) , Next : 1150000 } } , // Unsynced
{ 1149999 , 0 , ID { Hash : checksumToBytes ( 0xfc64ec04 ) , Next : 1150000 } } , // Last Frontier block
{ 1150000 , 0 , ID { Hash : checksumToBytes ( 0x97c2c34c ) , Next : 1920000 } } , // First Homestead block
{ 1919999 , 0 , ID { Hash : checksumToBytes ( 0x97c2c34c ) , Next : 1920000 } } , // Last Homestead block
{ 1920000 , 0 , ID { Hash : checksumToBytes ( 0x91d1f948 ) , Next : 2463000 } } , // First DAO block
{ 2462999 , 0 , ID { Hash : checksumToBytes ( 0x91d1f948 ) , Next : 2463000 } } , // Last DAO block
{ 2463000 , 0 , ID { Hash : checksumToBytes ( 0x7a64da13 ) , Next : 2675000 } } , // First Tangerine block
{ 2674999 , 0 , ID { Hash : checksumToBytes ( 0x7a64da13 ) , Next : 2675000 } } , // Last Tangerine block
{ 2675000 , 0 , ID { Hash : checksumToBytes ( 0x3edd5b10 ) , Next : 4370000 } } , // First Spurious block
{ 4369999 , 0 , ID { Hash : checksumToBytes ( 0x3edd5b10 ) , Next : 4370000 } } , // Last Spurious block
{ 4370000 , 0 , ID { Hash : checksumToBytes ( 0xa00bc324 ) , Next : 7280000 } } , // First Byzantium block
{ 7279999 , 0 , ID { Hash : checksumToBytes ( 0xa00bc324 ) , Next : 7280000 } } , // Last Byzantium block
{ 7280000 , 0 , ID { Hash : checksumToBytes ( 0x668db0af ) , Next : 9069000 } } , // First and last Constantinople, first Petersburg block
{ 9068999 , 0 , ID { Hash : checksumToBytes ( 0x668db0af ) , Next : 9069000 } } , // Last Petersburg block
{ 9069000 , 0 , ID { Hash : checksumToBytes ( 0x879d6e30 ) , Next : 9200000 } } , // First Istanbul and first Muir Glacier block
{ 9199999 , 0 , ID { Hash : checksumToBytes ( 0x879d6e30 ) , Next : 9200000 } } , // Last Istanbul and first Muir Glacier block
{ 9200000 , 0 , ID { Hash : checksumToBytes ( 0xe029e991 ) , Next : 12244000 } } , // First Muir Glacier block
{ 12243999 , 0 , ID { Hash : checksumToBytes ( 0xe029e991 ) , Next : 12244000 } } , // Last Muir Glacier block
{ 12244000 , 0 , ID { Hash : checksumToBytes ( 0x0eb440f6 ) , Next : 12965000 } } , // First Berlin block
{ 12964999 , 0 , ID { Hash : checksumToBytes ( 0x0eb440f6 ) , Next : 12965000 } } , // Last Berlin block
{ 12965000 , 0 , ID { Hash : checksumToBytes ( 0xb715077d ) , Next : 13773000 } } , // First London block
{ 13772999 , 0 , ID { Hash : checksumToBytes ( 0xb715077d ) , Next : 13773000 } } , // Last London block
{ 13773000 , 0 , ID { Hash : checksumToBytes ( 0x20c327fc ) , Next : 15050000 } } , // First Arrow Glacier block
{ 15049999 , 0 , ID { Hash : checksumToBytes ( 0x20c327fc ) , Next : 15050000 } } , // Last Arrow Glacier block
{ 15050000 , 0 , ID { Hash : checksumToBytes ( 0xf0afd0e3 ) , Next : 0 } } , // First Gray Glacier block
{ 20000000 , 0 , ID { Hash : checksumToBytes ( 0xf0afd0e3 ) , Next : 0 } } , // Future Gray Glacier block
} ,
} ,
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// Rinkeby test cases
{
params . RinkebyChainConfig ,
params . RinkebyGenesisHash ,
[ ] testcase {
{ 0 , 0 , ID { Hash : checksumToBytes ( 0x3b8e0691 ) , Next : 1 } } , // Unsynced, last Frontier block
{ 1 , 0 , ID { Hash : checksumToBytes ( 0x60949295 ) , Next : 2 } } , // First and last Homestead block
{ 2 , 0 , ID { Hash : checksumToBytes ( 0x8bde40dd ) , Next : 3 } } , // First and last Tangerine block
{ 3 , 0 , ID { Hash : checksumToBytes ( 0xcb3a64bb ) , Next : 1035301 } } , // First Spurious block
{ 1035300 , 0 , ID { Hash : checksumToBytes ( 0xcb3a64bb ) , Next : 1035301 } } , // Last Spurious block
{ 1035301 , 0 , ID { Hash : checksumToBytes ( 0x8d748b57 ) , Next : 3660663 } } , // First Byzantium block
{ 3660662 , 0 , ID { Hash : checksumToBytes ( 0x8d748b57 ) , Next : 3660663 } } , // Last Byzantium block
{ 3660663 , 0 , ID { Hash : checksumToBytes ( 0xe49cab14 ) , Next : 4321234 } } , // First Constantinople block
{ 4321233 , 0 , ID { Hash : checksumToBytes ( 0xe49cab14 ) , Next : 4321234 } } , // Last Constantinople block
{ 4321234 , 0 , ID { Hash : checksumToBytes ( 0xafec6b27 ) , Next : 5435345 } } , // First Petersburg block
{ 5435344 , 0 , ID { Hash : checksumToBytes ( 0xafec6b27 ) , Next : 5435345 } } , // Last Petersburg block
{ 5435345 , 0 , ID { Hash : checksumToBytes ( 0xcbdb8838 ) , Next : 8290928 } } , // First Istanbul block
{ 8290927 , 0 , ID { Hash : checksumToBytes ( 0xcbdb8838 ) , Next : 8290928 } } , // Last Istanbul block
{ 8290928 , 0 , ID { Hash : checksumToBytes ( 0x6910c8bd ) , Next : 8897988 } } , // First Berlin block
{ 8897987 , 0 , ID { Hash : checksumToBytes ( 0x6910c8bd ) , Next : 8897988 } } , // Last Berlin block
{ 8897988 , 0 , ID { Hash : checksumToBytes ( 0x8E29F2F3 ) , Next : 0 } } , // First London block
{ 10000000 , 0 , ID { Hash : checksumToBytes ( 0x8E29F2F3 ) , Next : 0 } } , // Future London block
} ,
} ,
// Goerli test cases
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{
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params . GoerliChainConfig ,
params . GoerliGenesisHash ,
[ ] testcase {
{ 0 , 0 , ID { Hash : checksumToBytes ( 0xa3f5ab08 ) , Next : 1561651 } } , // Unsynced, last Frontier, Homestead, Tangerine, Spurious, Byzantium, Constantinople and first Petersburg block
{ 1561650 , 0 , ID { Hash : checksumToBytes ( 0xa3f5ab08 ) , Next : 1561651 } } , // Last Petersburg block
{ 1561651 , 0 , ID { Hash : checksumToBytes ( 0xc25efa5c ) , Next : 4460644 } } , // First Istanbul block
{ 4460643 , 0 , ID { Hash : checksumToBytes ( 0xc25efa5c ) , Next : 4460644 } } , // Last Istanbul block
{ 4460644 , 0 , ID { Hash : checksumToBytes ( 0x757a1c47 ) , Next : 5062605 } } , // First Berlin block
{ 5000000 , 0 , ID { Hash : checksumToBytes ( 0x757a1c47 ) , Next : 5062605 } } , // Last Berlin block
{ 5062605 , 0 , ID { Hash : checksumToBytes ( 0xB8C6299D ) , Next : 0 } } , // First London block
{ 6000000 , 0 , ID { Hash : checksumToBytes ( 0xB8C6299D ) , Next : 0 } } , // Future London block
} ,
} ,
// Sepolia test cases
{
params . SepoliaChainConfig ,
params . SepoliaGenesisHash ,
[ ] testcase {
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{ 0 , 0 , ID { Hash : checksumToBytes ( 0xfe3366e7 ) , Next : 1735371 } } , // Unsynced, last Frontier, Homestead, Tangerine, Spurious, Byzantium, Constantinople, Petersburg, Istanbul, Berlin and first London block
{ 1735370 , 0 , ID { Hash : checksumToBytes ( 0xfe3366e7 ) , Next : 1735371 } } , // Last London block
{ 1735371 , 0 , ID { Hash : checksumToBytes ( 0xb96cbd13 ) , Next : 1677557088 } } , // First MergeNetsplit block
{ 1735372 , 1677557087 , ID { Hash : checksumToBytes ( 0xb96cbd13 ) , Next : 1677557088 } } , // Last MergeNetsplit block
{ 1735372 , 1677557088 , ID { Hash : checksumToBytes ( 0xf7f9bc08 ) , Next : 0 } } , // First Shanghai block
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} ,
} ,
// Temporary timestamped test cases
{
& timestampedConfig ,
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params . MainnetGenesisHash ,
[ ] testcase {
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{ 0 , 0 , ID { Hash : checksumToBytes ( 0xfc64ec04 ) , Next : 1150000 } } , // Unsynced
{ 1149999 , 0 , ID { Hash : checksumToBytes ( 0xfc64ec04 ) , Next : 1150000 } } , // Last Frontier block
{ 1150000 , 0 , ID { Hash : checksumToBytes ( 0x97c2c34c ) , Next : 1920000 } } , // First Homestead block
{ 1919999 , 0 , ID { Hash : checksumToBytes ( 0x97c2c34c ) , Next : 1920000 } } , // Last Homestead block
{ 1920000 , 0 , ID { Hash : checksumToBytes ( 0x91d1f948 ) , Next : 2463000 } } , // First DAO block
{ 2462999 , 0 , ID { Hash : checksumToBytes ( 0x91d1f948 ) , Next : 2463000 } } , // Last DAO block
{ 2463000 , 0 , ID { Hash : checksumToBytes ( 0x7a64da13 ) , Next : 2675000 } } , // First Tangerine block
{ 2674999 , 0 , ID { Hash : checksumToBytes ( 0x7a64da13 ) , Next : 2675000 } } , // Last Tangerine block
{ 2675000 , 0 , ID { Hash : checksumToBytes ( 0x3edd5b10 ) , Next : 4370000 } } , // First Spurious block
{ 4369999 , 0 , ID { Hash : checksumToBytes ( 0x3edd5b10 ) , Next : 4370000 } } , // Last Spurious block
{ 4370000 , 0 , ID { Hash : checksumToBytes ( 0xa00bc324 ) , Next : 7280000 } } , // First Byzantium block
{ 7279999 , 0 , ID { Hash : checksumToBytes ( 0xa00bc324 ) , Next : 7280000 } } , // Last Byzantium block
{ 7280000 , 0 , ID { Hash : checksumToBytes ( 0x668db0af ) , Next : 9069000 } } , // First and last Constantinople, first Petersburg block
{ 9068999 , 0 , ID { Hash : checksumToBytes ( 0x668db0af ) , Next : 9069000 } } , // Last Petersburg block
{ 9069000 , 0 , ID { Hash : checksumToBytes ( 0x879d6e30 ) , Next : 9200000 } } , // First Istanbul and first Muir Glacier block
{ 9199999 , 0 , ID { Hash : checksumToBytes ( 0x879d6e30 ) , Next : 9200000 } } , // Last Istanbul and first Muir Glacier block
{ 9200000 , 0 , ID { Hash : checksumToBytes ( 0xe029e991 ) , Next : 12244000 } } , // First Muir Glacier block
{ 12243999 , 0 , ID { Hash : checksumToBytes ( 0xe029e991 ) , Next : 12244000 } } , // Last Muir Glacier block
{ 12244000 , 0 , ID { Hash : checksumToBytes ( 0x0eb440f6 ) , Next : 12965000 } } , // First Berlin block
{ 12964999 , 0 , ID { Hash : checksumToBytes ( 0x0eb440f6 ) , Next : 12965000 } } , // Last Berlin block
{ 12965000 , 0 , ID { Hash : checksumToBytes ( 0xb715077d ) , Next : 13773000 } } , // First London block
{ 13772999 , 0 , ID { Hash : checksumToBytes ( 0xb715077d ) , Next : 13773000 } } , // Last London block
{ 13773000 , 0 , ID { Hash : checksumToBytes ( 0x20c327fc ) , Next : 15050000 } } , // First Arrow Glacier block
{ 15049999 , 0 , ID { Hash : checksumToBytes ( 0x20c327fc ) , Next : 15050000 } } , // Last Arrow Glacier block
{ 15050000 , 0 , ID { Hash : checksumToBytes ( 0xf0afd0e3 ) , Next : 1668000000 } } , // First Gray Glacier block
{ 19999999 , 1667999999 , ID { Hash : checksumToBytes ( 0xf0afd0e3 ) , Next : 1668000000 } } , // Last Gray Glacier block
{ 20000000 , 1668000000 , ID { Hash : checksumToBytes ( 0x71147644 ) , Next : 0 } } , // First Shanghai block
{ 20000000 , 2668000000 , ID { Hash : checksumToBytes ( 0x71147644 ) , Next : 0 } } , // Future Shanghai block
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} ,
} ,
}
for i , tt := range tests {
for j , ttt := range tt . cases {
if have := NewID ( tt . config , tt . genesis , ttt . head , ttt . time ) ; have != ttt . want {
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t . Errorf ( "test %d, case %d: fork ID mismatch: have %x, want %x" , i , j , have , ttt . want )
}
}
}
}
// TestValidation tests that a local peer correctly validates and accepts a remote
// fork ID.
func TestValidation ( t * testing . T ) {
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// Temporary non-existent scenario TODO(karalabe): delete when Shanghai is enabled
timestampedConfig := * params . MainnetChainConfig
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timestampedConfig . ShanghaiTime = u64 ( 1668000000 )
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tests := [ ] struct {
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config * params . ChainConfig
head uint64
time uint64
id ID
err error
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} {
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//------------------
// Block based tests
//------------------
// Local is mainnet Gray Glacier, remote announces the same. No future fork is announced.
{ params . MainnetChainConfig , 15050000 , 0 , ID { Hash : checksumToBytes ( 0xf0afd0e3 ) , Next : 0 } , nil } ,
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// Local is mainnet Gray Glacier, remote announces the same. Remote also announces a next fork
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// at block 0xffffffff, but that is uncertain.
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{ params . MainnetChainConfig , 15050000 , 0 , ID { Hash : checksumToBytes ( 0xf0afd0e3 ) , Next : math . MaxUint64 } , nil } ,
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// Local is mainnet currently in Byzantium only (so it's aware of Petersburg), remote announces
// also Byzantium, but it's not yet aware of Petersburg (e.g. non updated node before the fork).
// In this case we don't know if Petersburg passed yet or not.
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{ params . MainnetChainConfig , 7279999 , 0 , ID { Hash : checksumToBytes ( 0xa00bc324 ) , Next : 0 } , nil } ,
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// Local is mainnet currently in Byzantium only (so it's aware of Petersburg), remote announces
// also Byzantium, and it's also aware of Petersburg (e.g. updated node before the fork). We
// don't know if Petersburg passed yet (will pass) or not.
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{ params . MainnetChainConfig , 7279999 , 0 , ID { Hash : checksumToBytes ( 0xa00bc324 ) , Next : 7280000 } , nil } ,
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// Local is mainnet currently in Byzantium only (so it's aware of Petersburg), remote announces
// also Byzantium, and it's also aware of some random fork (e.g. misconfigured Petersburg). As
// neither forks passed at neither nodes, they may mismatch, but we still connect for now.
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{ params . MainnetChainConfig , 7279999 , 0 , ID { Hash : checksumToBytes ( 0xa00bc324 ) , Next : math . MaxUint64 } , nil } ,
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// Local is mainnet exactly on Petersburg, remote announces Byzantium + knowledge about Petersburg. Remote
// is simply out of sync, accept.
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{ params . MainnetChainConfig , 7280000 , 0 , ID { Hash : checksumToBytes ( 0xa00bc324 ) , Next : 7280000 } , nil } ,
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// Local is mainnet Petersburg, remote announces Byzantium + knowledge about Petersburg. Remote
// is simply out of sync, accept.
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{ params . MainnetChainConfig , 7987396 , 0 , ID { Hash : checksumToBytes ( 0xa00bc324 ) , Next : 7280000 } , nil } ,
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// Local is mainnet Petersburg, remote announces Spurious + knowledge about Byzantium. Remote
// is definitely out of sync. It may or may not need the Petersburg update, we don't know yet.
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{ params . MainnetChainConfig , 7987396 , 0 , ID { Hash : checksumToBytes ( 0x3edd5b10 ) , Next : 4370000 } , nil } ,
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// Local is mainnet Byzantium, remote announces Petersburg. Local is out of sync, accept.
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{ params . MainnetChainConfig , 7279999 , 0 , ID { Hash : checksumToBytes ( 0x668db0af ) , Next : 0 } , nil } ,
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// Local is mainnet Spurious, remote announces Byzantium, but is not aware of Petersburg. Local
// out of sync. Local also knows about a future fork, but that is uncertain yet.
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{ params . MainnetChainConfig , 4369999 , 0 , ID { Hash : checksumToBytes ( 0xa00bc324 ) , Next : 0 } , nil } ,
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// Local is mainnet Petersburg. remote announces Byzantium but is not aware of further forks.
// Remote needs software update.
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{ params . MainnetChainConfig , 7987396 , 0 , ID { Hash : checksumToBytes ( 0xa00bc324 ) , Next : 0 } , ErrRemoteStale } ,
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// Local is mainnet Petersburg, and isn't aware of more forks. Remote announces Petersburg +
// 0xffffffff. Local needs software update, reject.
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{ params . MainnetChainConfig , 7987396 , 0 , ID { Hash : checksumToBytes ( 0x5cddc0e1 ) , Next : 0 } , ErrLocalIncompatibleOrStale } ,
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// Local is mainnet Byzantium, and is aware of Petersburg. Remote announces Petersburg +
// 0xffffffff. Local needs software update, reject.
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{ params . MainnetChainConfig , 7279999 , 0 , ID { Hash : checksumToBytes ( 0x5cddc0e1 ) , Next : 0 } , ErrLocalIncompatibleOrStale } ,
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// Local is mainnet Petersburg, remote is Rinkeby Petersburg.
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{ params . MainnetChainConfig , 7987396 , 0 , ID { Hash : checksumToBytes ( 0xafec6b27 ) , Next : 0 } , ErrLocalIncompatibleOrStale } ,
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// Local is mainnet Gray Glacier, far in the future. Remote announces Gopherium (non existing fork)
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// at some future block 88888888, for itself, but past block for local. Local is incompatible.
//
// This case detects non-upgraded nodes with majority hash power (typical Ropsten mess).
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//
// TODO(karalabe): This testcase will fail once mainnet gets timestamped forks, make legacy chain config
{ params . MainnetChainConfig , 88888888 , 0 , ID { Hash : checksumToBytes ( 0xf0afd0e3 ) , Next : 88888888 } , ErrLocalIncompatibleOrStale } ,
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// Local is mainnet Byzantium. Remote is also in Byzantium, but announces Gopherium (non existing
// fork) at block 7279999, before Petersburg. Local is incompatible.
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//
// TODO(karalabe): This testcase will fail once mainnet gets timestamped forks, make legacy chain config
{ params . MainnetChainConfig , 7279999 , 0 , ID { Hash : checksumToBytes ( 0xa00bc324 ) , Next : 7279999 } , ErrLocalIncompatibleOrStale } ,
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//------------------------------------
// Block to timestamp transition tests
//------------------------------------
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// Local is mainnet currently in Gray Glacier only (so it's aware of Shanghai), remote announces
// also Gray Glacier, but it's not yet aware of Shanghai (e.g. non updated node before the fork).
// In this case we don't know if Shanghai passed yet or not.
{ & timestampedConfig , 15050000 , 0 , ID { Hash : checksumToBytes ( 0xf0afd0e3 ) , Next : 0 } , nil } ,
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// Local is mainnet currently in Gray Glacier only (so it's aware of Shanghai), remote announces
// also Gray Glacier, and it's also aware of Shanghai (e.g. updated node before the fork). We
// don't know if Shanghai passed yet (will pass) or not.
{ & timestampedConfig , 15050000 , 0 , ID { Hash : checksumToBytes ( 0xf0afd0e3 ) , Next : 1668000000 } , nil } ,
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// Local is mainnet currently in Gray Glacier only (so it's aware of Shanghai), remote announces
// also Gray Glacier, and it's also aware of some random fork (e.g. misconfigured Shanghai). As
// neither forks passed at neither nodes, they may mismatch, but we still connect for now.
{ & timestampedConfig , 15050000 , 0 , ID { Hash : checksumToBytes ( 0xf0afd0e3 ) , Next : math . MaxUint64 } , nil } ,
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// Local is mainnet exactly on Shanghai, remote announces Gray Glacier + knowledge about Shanghai. Remote
// is simply out of sync, accept.
{ & timestampedConfig , 20000000 , 1668000000 , ID { Hash : checksumToBytes ( 0xf0afd0e3 ) , Next : 1668000000 } , nil } ,
// Local is mainnet Shanghai, remote announces Gray Glacier + knowledge about Shanghai. Remote
// is simply out of sync, accept.
{ & timestampedConfig , 20123456 , 1668123456 , ID { Hash : checksumToBytes ( 0xf0afd0e3 ) , Next : 1668000000 } , nil } ,
// Local is mainnet Shanghai, remote announces Arrow Glacier + knowledge about Gray Glacier. Remote
// is definitely out of sync. It may or may not need the Shanghai update, we don't know yet.
{ & timestampedConfig , 20000000 , 1668000000 , ID { Hash : checksumToBytes ( 0x20c327fc ) , Next : 15050000 } , nil } ,
// Local is mainnet Gray Glacier, remote announces Shanghai. Local is out of sync, accept.
{ & timestampedConfig , 15050000 , 0 , ID { Hash : checksumToBytes ( 0x71147644 ) , Next : 0 } , nil } ,
// Local is mainnet Arrow Glacier, remote announces Gray Glacier, but is not aware of Shanghai. Local
// out of sync. Local also knows about a future fork, but that is uncertain yet.
{ & timestampedConfig , 13773000 , 0 , ID { Hash : checksumToBytes ( 0xf0afd0e3 ) , Next : 0 } , nil } ,
// Local is mainnet Shanghai. remote announces Gray Glacier but is not aware of further forks.
// Remote needs software update.
{ & timestampedConfig , 20000000 , 1668000000 , ID { Hash : checksumToBytes ( 0xf0afd0e3 ) , Next : 0 } , ErrRemoteStale } ,
// Local is mainnet Gray Glacier, and isn't aware of more forks. Remote announces Gray Glacier +
// 0xffffffff. Local needs software update, reject.
{ & timestampedConfig , 15050000 , 0 , ID { Hash : checksumToBytes ( checksumUpdate ( 0xf0afd0e3 , math . MaxUint64 ) ) , Next : 0 } , ErrLocalIncompatibleOrStale } ,
// Local is mainnet Gray Glacier, and is aware of Shanghai. Remote announces Shanghai +
// 0xffffffff. Local needs software update, reject.
{ & timestampedConfig , 15050000 , 0 , ID { Hash : checksumToBytes ( checksumUpdate ( 0x71147644 , math . MaxUint64 ) ) , Next : 0 } , ErrLocalIncompatibleOrStale } ,
// Local is mainnet Gray Glacier, far in the future. Remote announces Gopherium (non existing fork)
// at some future timestamp 8888888888, for itself, but past block for local. Local is incompatible.
//
// This case detects non-upgraded nodes with majority hash power (typical Ropsten mess).
{ params . MainnetChainConfig , 888888888 , 1660000000 , ID { Hash : checksumToBytes ( 0xf0afd0e3 ) , Next : 1660000000 } , ErrLocalIncompatibleOrStale } ,
// Local is mainnet Gray Glacier. Remote is also in Gray Glacier, but announces Gopherium (non existing
// fork) at block 7279999, before Shanghai. Local is incompatible.
{ & timestampedConfig , 19999999 , 1667999999 , ID { Hash : checksumToBytes ( 0xf0afd0e3 ) , Next : 1667999999 } , ErrLocalIncompatibleOrStale } ,
//----------------------
// Timestamp based tests
//----------------------
// Local is mainnet Shanghai, remote announces the same. No future fork is announced.
{ & timestampedConfig , 20000000 , 1668000000 , ID { Hash : checksumToBytes ( 0x71147644 ) , Next : 0 } , nil } ,
// Local is mainnet Shanghai, remote announces the same. Remote also announces a next fork
// at time 0xffffffff, but that is uncertain.
{ & timestampedConfig , 20000000 , 1668000000 , ID { Hash : checksumToBytes ( 0x71147644 ) , Next : math . MaxUint64 } , nil } ,
// Local is mainnet currently in Shanghai only (so it's aware of Cancun), remote announces
// also Shanghai, but it's not yet aware of Cancun (e.g. non updated node before the fork).
// In this case we don't know if Cancun passed yet or not.
//
// TODO(karalabe): Enable this when Cancun is specced
//{×tampedConfig, 20000000, 1668000000, ID{Hash: checksumToBytes(0x71147644), Next: 0}, nil},
// Local is mainnet currently in Shanghai only (so it's aware of Cancun), remote announces
// also Shanghai, and it's also aware of Cancun (e.g. updated node before the fork). We
// don't know if Cancun passed yet (will pass) or not.
//
// TODO(karalabe): Enable this when Cancun is specced and update next timestamp
//{×tampedConfig, 20000000, 1668000000, ID{Hash: checksumToBytes(0x71147644), Next: 1678000000}, nil},
// Local is mainnet currently in Shanghai only (so it's aware of Cancun), remote announces
// also Shanghai, and it's also aware of some random fork (e.g. misconfigured Cancun). As
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// neither forks passed at neither nodes, they may mismatch, but we still connect for now.
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//
// TODO(karalabe): Enable this when Cancun is specced
//{×tampedConfig, 20000000, 1668000000, ID{Hash: checksumToBytes(0x71147644), Next: math.MaxUint64}, nil},
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// Local is mainnet exactly on Cancun, remote announces Shanghai + knowledge about Cancun. Remote
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// is simply out of sync, accept.
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//
// TODO(karalabe): Enable this when Cancun is specced, update local head and time, next timestamp
// {×tampedConfig, 21000000, 1678000000, ID{Hash: checksumToBytes(0x71147644), Next: 1678000000}, nil},
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// Local is mainnet Cancun, remote announces Shanghai + knowledge about Cancun. Remote
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// is simply out of sync, accept.
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// TODO(karalabe): Enable this when Cancun is specced, update local head and time, next timestamp
//{×tampedConfig, 21123456, 1678123456, ID{Hash: checksumToBytes(0x71147644), Next: 1678000000}, nil},
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// Local is mainnet Prague, remote announces Shanghai + knowledge about Cancun. Remote
// is definitely out of sync. It may or may not need the Prague update, we don't know yet.
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//
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// TODO(karalabe): Enable this when Cancun **and** Prague is specced, update all the numbers
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//{×tampedConfig, 0, 0, ID{Hash: checksumToBytes(0x3edd5b10), Next: 4370000}, nil},
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// Local is mainnet Shanghai, remote announces Cancun. Local is out of sync, accept.
//
// TODO(karalabe): Enable this when Cancun is specced, update remote checksum
//{×tampedConfig, 21000000, 1678000000, ID{Hash: checksumToBytes(0x00000000), Next: 0}, nil},
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// Local is mainnet Shanghai, remote announces Cancun, but is not aware of Prague. Local
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// out of sync. Local also knows about a future fork, but that is uncertain yet.
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//
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// TODO(karalabe): Enable this when Cancun **and** Prague is specced, update remote checksum
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//{×tampedConfig, 21000000, 1678000000, ID{Hash: checksumToBytes(0x00000000), Next: 0}, nil},
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// Local is mainnet Cancun. remote announces Shanghai but is not aware of further forks.
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// Remote needs software update.
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//
// TODO(karalabe): Enable this when Cancun is specced, update local head and time
//{×tampedConfig, 21000000, 1678000000, ID{Hash: checksumToBytes(0x71147644), Next: 0}, ErrRemoteStale},
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// Local is mainnet Shanghai, and isn't aware of more forks. Remote announces Shanghai +
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// 0xffffffff. Local needs software update, reject.
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{ & timestampedConfig , 20000000 , 1668000000 , ID { Hash : checksumToBytes ( checksumUpdate ( 0x71147644 , math . MaxUint64 ) ) , Next : 0 } , ErrLocalIncompatibleOrStale } ,
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// Local is mainnet Shanghai, and is aware of Cancun. Remote announces Cancun +
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// 0xffffffff. Local needs software update, reject.
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//
// TODO(karalabe): Enable this when Cancun is specced, update remote checksum
//{×tampedConfig, 20000000, 1668000000, ID{Hash: checksumToBytes(checksumUpdate(0x00000000, math.MaxUint64)), Next: 0}, ErrLocalIncompatibleOrStale},
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// Local is mainnet Shanghai, remote is random Shanghai.
{ & timestampedConfig , 20000000 , 1668000000 , ID { Hash : checksumToBytes ( 0x12345678 ) , Next : 0 } , ErrLocalIncompatibleOrStale } ,
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// Local is mainnet Shanghai, far in the future. Remote announces Gopherium (non existing fork)
// at some future timestamp 8888888888, for itself, but past block for local. Local is incompatible.
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//
// This case detects non-upgraded nodes with majority hash power (typical Ropsten mess).
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{ & timestampedConfig , 88888888 , 8888888888 , ID { Hash : checksumToBytes ( 0x71147644 ) , Next : 8888888888 } , ErrLocalIncompatibleOrStale } ,
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// Local is mainnet Shanghai. Remote is also in Shanghai, but announces Gopherium (non existing
// fork) at timestamp 1668000000, before Cancun. Local is incompatible.
//
// TODO(karalabe): Enable this when Cancun is specced
//{params.MainnetChainConfig, 20999999, 1677999999, ID{Hash: checksumToBytes(0x71147644), Next: 1678000000}, ErrLocalIncompatibleOrStale},
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}
for i , tt := range tests {
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filter := newFilter ( tt . config , params . MainnetGenesisHash , func ( ) ( uint64 , uint64 ) { return tt . head , tt . time } )
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if err := filter ( tt . id ) ; err != tt . err {
t . Errorf ( "test %d: validation error mismatch: have %v, want %v" , i , err , tt . err )
}
}
}
// Tests that IDs are properly RLP encoded (specifically important because we
// use uint32 to store the hash, but we need to encode it as [4]byte).
func TestEncoding ( t * testing . T ) {
tests := [ ] struct {
id ID
want [ ] byte
} {
{ ID { Hash : checksumToBytes ( 0 ) , Next : 0 } , common . Hex2Bytes ( "c6840000000080" ) } ,
{ ID { Hash : checksumToBytes ( 0xdeadbeef ) , Next : 0xBADDCAFE } , common . Hex2Bytes ( "ca84deadbeef84baddcafe," ) } ,
{ ID { Hash : checksumToBytes ( math . MaxUint32 ) , Next : math . MaxUint64 } , common . Hex2Bytes ( "ce84ffffffff88ffffffffffffffff" ) } ,
}
for i , tt := range tests {
have , err := rlp . EncodeToBytes ( tt . id )
if err != nil {
t . Errorf ( "test %d: failed to encode forkid: %v" , i , err )
continue
}
if ! bytes . Equal ( have , tt . want ) {
t . Errorf ( "test %d: RLP mismatch: have %x, want %x" , i , have , tt . want )
}
}
}
