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alternative approach

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This commit is contained in:
Sina Mahmoodi 2025-04-15 15:36:43 +02:00
parent 92c0695cf3
commit f62a7e22c9
2 changed files with 18 additions and 10 deletions
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22
core/blockchain.go
View file

@ -513,19 +513,33 @@ func (bc *BlockChain) loadLastState() error {
log.Warn("Empty database, resetting chain") log.Warn("Empty database, resetting chain")
return bc.Reset() return bc.Reset()
} }
// Make sure the entire head block is available headHeader := bc.GetHeaderByHash(head)
headBlock := bc.GetBlockByHash(head) if headHeader == nil {
// Corrupt or empty database, init from scratch
log.Warn("Head header missing, resetting chain", "hash", head)
return bc.Reset()
}
var headBlock *types.Block
if cmp := headHeader.Number.Cmp(new(big.Int)); cmp == 1 {
// Make sure the entire head block is available.
headBlock = bc.GetBlockByHash(head)
} else if cmp == 0 {
// On a pruned node the block body might not be available. But a pruned
// block should never be the head block. The only exception is when, as
// a last resort, chain is reset to genesis.
headBlock = bc.genesisBlock
}
if headBlock == nil { if headBlock == nil {
// Corrupt or empty database, init from scratch // Corrupt or empty database, init from scratch
log.Warn("Head block missing, resetting chain", "hash", head) log.Warn("Head block missing, resetting chain", "hash", head)
return bc.Reset() return bc.Reset()
} }
// Everything seems to be fine, set as the head block // Everything seems to be fine, set as the head block
bc.currentBlock.Store(headBlock.Header()) bc.currentBlock.Store(headHeader)
headBlockGauge.Update(int64(headBlock.NumberU64())) headBlockGauge.Update(int64(headBlock.NumberU64()))
// Restore the last known head header // Restore the last known head header
headHeader := headBlock.Header()
if head := rawdb.ReadHeadHeaderHash(bc.db); head != (common.Hash{}) { if head := rawdb.ReadHeadHeaderHash(bc.db); head != (common.Hash{}) {
if header := bc.GetHeaderByHash(head); header != nil { if header := bc.GetHeaderByHash(head); header != nil {
headHeader = header headHeader = header

6
core/rawdb/accessors_chain.go
View file

@ -440,12 +440,6 @@ func ReadBodyRLP(db ethdb.Reader, hash common.Hash, number uint64) rlp.RawValue
// Check if the data is in ancients // Check if the data is in ancients
if isCanon(reader, number, hash) { if isCanon(reader, number, hash) {
data, _ = reader.Ancient(ChainFreezerBodiesTable, number) data, _ = reader.Ancient(ChainFreezerBodiesTable, number)
// The freezer might be pruned. In the particular case of genesis, the block
// will be still available in kvdb. The full genesis block is needed on startup
// sometimes for repair.
if data == nil {
data, _ = db.Get(blockBodyKey(number, hash))
}
return nil return nil
} }
// If not, try reading from leveldb // If not, try reading from leveldb