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core: change block hash history scope #411

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merged 1 commit into from
Apr 8, 2024
Merged

core: change block hash history scope #411

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4 changes: 2 additions & 2 deletions core/state_processor.go
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Original file line number Diff line number Diff line change
Expand Up @@ -371,14 +371,14 @@ func (kvm *keyValueMigrator) migrateCollectedKeyValues(tree *trie.VerkleTrie) er

func InsertBlockHashHistoryAtEip2935Fork(statedb *state.StateDB, prevNumber uint64, prevHash common.Hash, chain consensus.ChainHeaderReader) {
ancestor := chain.GetHeader(prevHash, prevNumber)
for i := prevNumber; i > 0 && i >= prevNumber-256; i-- {
for i := prevNumber; i > 0 && i >= prevNumber-params.Eip2935BlockHashHistorySize; i-- {
ProcessParentBlockHash(statedb, i, ancestor.Hash())
ancestor = chain.GetHeader(ancestor.ParentHash, ancestor.Number.Uint64()-1)
}
}

func ProcessParentBlockHash(statedb *state.StateDB, prevNumber uint64, prevHash common.Hash) {
ringIndex := prevNumber % 256
ringIndex := prevNumber % params.Eip2935BlockHashHistorySize
var key common.Hash
binary.BigEndian.PutUint64(key[24:], ringIndex)
statedb.SetState(params.HistoryStorageAddress, key, prevHash)
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2 changes: 1 addition & 1 deletion core/vm/instructions.go
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Expand Up @@ -517,7 +517,7 @@ func opGasprice(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([
}

func getBlockHashFromContract(number uint64, statedb StateDB, witness *state.AccessWitness) common.Hash {
ringIndex := number % 256
ringIndex := number % params.Eip2935BlockHashHistorySize
var pnum common.Hash
binary.BigEndian.PutUint64(pnum[24:], ringIndex)
treeIndex, suffix := utils.GetTreeKeyStorageSlotTreeIndexes(pnum.Bytes())
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3 changes: 3 additions & 0 deletions params/protocol_params.go
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Expand Up @@ -173,6 +173,9 @@ const (
BlobTxMinBlobGasprice = 1 // Minimum gas price for data blobs
BlobTxBlobGaspriceUpdateFraction = 2225652 // Controls the maximum rate of change for blob gas price
BlobTxPointEvaluationPrecompileGas = 50000 // Gas price for the point evaluation precompile.

// Block hash history parameters
Eip2935BlockHashHistorySize = 8192
)

// Gas discount table for BLS12-381 G1 and G2 multi exponentiation operations
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