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Update preparePredicateStorageSlots doc (#891)

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* update preparePredicateStorageSlots doc

* more specified comment for slice of byte slices
This commit is contained in:
minghinmatthewlam
2023-09-26 20:39:06 -04:00
committed by GitHub
parent 892a9eb50f
commit efdb422d00
1 changed files with 3 additions and 4 deletions
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core/state/statedb.go
+3 -4
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@@ -1197,10 +1197,9 @@ func (s *StateDB) Prepare(rules params.Rules, sender, coinbase common.Address, d
}
// preparePredicateStorageSlots populates the predicateStorageSlots field from the transaction's access list
// Note: if an address is specified multiple times in the access list, only the last storage slots provided
// for it are used in predicates.
// During predicate verification, we require that a precompile address is only specififed in the access list
// once to avoid a situation where we verify multiple predicate and only expose data from the last one.
// Note: if an address is specified multiple times in the access list, each storage slot for that address is
// appended to a slice of byte slices. Each byte slice represents a predicate, making it a slice of predicates
// for each access list address, and every predicate in the slice goes through verification.
func (s *StateDB) preparePredicateStorageSlots(rules params.Rules, list types.AccessList) {
s.predicateStorageSlots = make(map[common.Address][][]byte)
for _, el := range list {