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Check repo's genesis against baked-in genesis

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This commit is contained in:
Aayush Rajasekaran 2020-08-12 17:22:16 -04:00
parent c73d597d87
commit d614135ebb
1 changed files with 12 additions and 1 deletions
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13
node/modules/chain.go
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@ -3,6 +3,7 @@ package modules
import (
"bytes"
"context"
"os"
"github.com/ipfs/go-bitswap"
"github.com/ipfs/go-bitswap/network"
@ -127,8 +128,18 @@ func LoadGenesis(genBytes []byte) func(dtypes.ChainBlockstore) Genesis {
func DoSetGenesis(_ dtypes.AfterGenesisSet) {}
func SetGenesis(cs *store.ChainStore, g Genesis) (dtypes.AfterGenesisSet, error) {
_, err := cs.GetGenesis()
genFromRepo, err := cs.GetGenesis()
if err == nil {
if os.Getenv("LOTUS_SKIP_GENESIS_CHECK") != "_yes_" {
expectedGenesis, err := g()
if err != nil {
return dtypes.AfterGenesisSet{}, xerrors.Errorf("getting expected genesis failed: %w", err)
}
if genFromRepo.Cid() != expectedGenesis.Cid() {
return dtypes.AfterGenesisSet{}, xerrors.Errorf("genesis in the repo is not the one expected by this version of Lotus!")
}
}
return dtypes.AfterGenesisSet{}, nil // already set, noop
}
if err != datastore.ErrNotFound {