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core/forkid: add two clauses for more precise validation (#20220)

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This commit is contained in:
Péter Szilágyi
2019-10-30 13:05:31 +02:00
committed by Felix Lange
parent e306304414
commit 9641cacea8
2 changed files with 21 additions and 3 deletions
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12
core/forkid/forkid_test.go
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@ -151,7 +151,7 @@ func TestValidation(t *testing.T) {
// Local is mainnet Petersburg, remote announces Byzantium + knowledge about Petersburg. Remote
// is simply out of sync, accept.
{7987396, ID{Hash: checksumToBytes(0x668db0af), Next: 7280000}, nil},
{7987396, ID{Hash: checksumToBytes(0xa00bc324), Next: 7280000}, nil},
// 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.
@ -178,6 +178,16 @@ func TestValidation(t *testing.T) {
// Local is mainnet Petersburg, remote is Rinkeby Petersburg.
{7987396, ID{Hash: checksumToBytes(0xafec6b27), Next: 0}, ErrLocalIncompatibleOrStale},
// Local is mainnet Petersburg, far in the future. Remote announces Gopherium (non existing fork)
// 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).
{88888888, ID{Hash: checksumToBytes(0x668db0af), Next: 88888888}, ErrLocalIncompatibleOrStale},
// Local is mainnet Byzantium. Remote is also in Byzantium, but announces Gopherium (non existing
// fork) at block 7279999, before Petersburg. Local is incompatible.
{7279999, ID{Hash: checksumToBytes(0xa00bc324), Next: 7279999}, ErrLocalIncompatibleOrStale},
}
for i, tt := range tests {
filter := newFilter(params.MainnetChainConfig, params.MainnetGenesisHash, func() uint64 { return tt.head })