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core: set ttd override on all chain variations #24605

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merged 1 commit into from Mar 29, 2022
Merged

core: set ttd override on all chain variations #24605

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23 changes: 15 additions & 8 deletions core/genesis.go
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Expand Up @@ -282,6 +282,9 @@ func SetupGenesisBlockWithOverride(db ethdb.Database, genesis *Genesis, override
if overrideArrowGlacier != nil {
newcfg.ArrowGlacierBlock = overrideArrowGlacier
}
if overrideTerminalTotalDifficulty != nil {
newcfg.TerminalTotalDifficulty = overrideTerminalTotalDifficulty
}
if err := newcfg.CheckConfigForkOrder(); err != nil {
return newcfg, common.Hash{}, err
}
Expand All @@ -291,15 +294,19 @@ func SetupGenesisBlockWithOverride(db ethdb.Database, genesis *Genesis, override
rawdb.WriteChainConfig(db, stored, newcfg)
return newcfg, stored, nil
}

if overrideTerminalTotalDifficulty != nil {
storedcfg.TerminalTotalDifficulty = overrideTerminalTotalDifficulty
}
// Special case: don't change the existing config of a non-mainnet chain if no new
// config is supplied. These chains would get AllProtocolChanges (and a compat error)
// if we just continued here.
// Special case: if a private network is being used (no genesis and also no
// mainnet hash in the database), we must not apply the `configOrDefault`
// chain config as that would be AllProtocolChanges (applying any new fork
// on top of an existing private network genesis block). In that case, only
// apply the overrides.
if genesis == nil && stored != params.MainnetGenesisHash {
return storedcfg, stored, nil
newcfg = storedcfg
if overrideArrowGlacier != nil {
newcfg.ArrowGlacierBlock = overrideArrowGlacier
}
if overrideTerminalTotalDifficulty != nil {
newcfg.TerminalTotalDifficulty = overrideTerminalTotalDifficulty
}
}
// Check config compatibility and write the config. Compatibility errors
// are returned to the caller unless we're already at block zero.
Expand Down