forks/go-ethereum
1
0
Fork 1
mirror of https://github.com/ethereum/go-ethereum.git synced 2026-08-20 10:52:25 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

core: fix beyondRoot condition

Browse source
This commit is contained in:
Gary Rong 2024-03-11 18:25:04 +08:00
parent c6b0eb75fa
commit 60fb704da4
1 changed files with 22 additions and 18 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

40
core/blockchain.go
View file

@ -696,20 +696,17 @@ func (bc *BlockChain) rewindHashHead(root common.Hash) (*types.Header, uint64) {
// rewindPathHead implements the logic of rewindHead in the context of path scheme.
func (bc *BlockChain) rewindPathHead(root common.Hash) (*types.Header, uint64) {
var (
headBlock = bc.CurrentBlock() // Head block of the chain
head = bc.CurrentBlock() // Head block of the chain
pivot = rawdb.ReadLastPivotNumber(bc.db) // Associated block number of pivot block
rootNumber uint64 // Associated block number of requested root
// BeyondRoot represents whether the requested root is already crossed.
// The flag value is set to true if the root is empty.
beyondRoot = root == common.Hash{}
start = time.Now() // Timestamp the rewinding is restarted
logged = time.Now() // Timestamp last progress log was printed
)
// BeyondRoot represents whether the requested root is already crossed.
// The flag value is set to true if the root is empty, or reaching the
// root is deemed impossible.
beyondRoot := root == common.Hash{}
if !beyondRoot && !bc.HasState(root) && !bc.stateRecoverable(root) {
beyondRoot = true
}
// Rewind the head block tag until an available state is found.
for {
logger := log.Trace
@ -717,34 +714,41 @@ func (bc *BlockChain) rewindPathHead(root common.Hash) (*types.Header, uint64) {
logged = time.Now()
logger = log.Info
}
logger("Block state missing, rewinding further", "number", headBlock.Number, "hash", headBlock.Hash(), "elapsed", common.PrettyDuration(time.Since(start)))
logger("Block state missing, rewinding further", "number", head.Number, "hash", head.Hash(), "elapsed", common.PrettyDuration(time.Since(start)))
// If a root threshold was requested but not yet crossed, check
if !beyondRoot && headBlock.Root == root {
beyondRoot, rootNumber = true, headBlock.Number.Uint64()
if !beyondRoot && head.Root == root {
beyondRoot, rootNumber = true, head.Number.Uint64()
}
// If the root threshold hasn't been crossed but the available
// state is found, disable root searching if it's regarded
// impossible to reach.
if !beyondRoot && bc.HasState(head.Root) {
beyondRoot = !bc.HasState(root) && !bc.stateRecoverable(root)
}
// Check if the associated state is available or recoverable if
// the requested root has already been crossed.
if beyondRoot && (bc.HasState(headBlock.Root) || bc.stateRecoverable(headBlock.Root)) {
if beyondRoot && (bc.HasState(head.Root) || bc.stateRecoverable(head.Root)) {
break
}
// If pivot block is reached, return the genesis block as the
// new chain head. Theoretically there must be a persistent
// state before or at the pivot block, prevent endless rewinding
// towards the genesis just in case.
if pivot != nil && *pivot >= headBlock.Number.Uint64() {
log.Info("Pivot block reached, resetting to genesis", "number", headBlock.Number, "hash", headBlock.Hash())
if pivot != nil && *pivot >= head.Number.Uint64() {
log.Info("Pivot block reached, resetting to genesis", "number", head.Number, "hash", head.Hash())
return bc.genesisBlock.Header(), rootNumber
}
headBlock = bc.GetHeader(headBlock.ParentHash, headBlock.Number.Uint64()-1) // Keep rewinding
head = bc.GetHeader(head.ParentHash, head.Number.Uint64()-1) // Keep rewinding
}
// Recover if the target state if it's not available yet.
if !bc.HasState(headBlock.Root) {
if err := bc.triedb.Recover(headBlock.Root); err != nil {
if !bc.HasState(head.Root) {
if err := bc.triedb.Recover(head.Root); err != nil {
log.Crit("Failed to rollback state", "err", err)
}
}
return headBlock, rootNumber
log.Info("Rewound to block with state", "number", head.Number, "hash", head.Hash())
return head, rootNumber
}
// rewindHead searches the available states in the database and returns the associated