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core/types/bal: enhance the bal validation (#35281)

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EIP-7928 requires that each address appears exactly once in the block
access list.

In the `BlockAccessList.Validate`, the strict `isStrictlySortedFunc` is
required to detect the duplicated accounts.
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rjl493456442 2026-07-03 14:30:56 +08:00 committed by GitHub
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core/types/bal/bal_encoding.go
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@ -80,7 +80,7 @@ func (e *BlockAccessList) DecodeRLP(s *rlp.Stream) error {
// according to the spec or any code changes are contained which exceed protocol // according to the spec or any code changes are contained which exceed protocol
// max code size. // max code size.
func (e *BlockAccessList) Validate(blockGasLimit uint64, blockTxCount int) error { func (e *BlockAccessList) Validate(blockGasLimit uint64, blockTxCount int) error {
if !slices.IsSortedFunc(*e, func(a, b AccountAccess) int { if !isStrictlySortedFunc(*e, func(a, b AccountAccess) int {
return bytes.Compare(a.Address[:], b.Address[:]) return bytes.Compare(a.Address[:], b.Address[:])
}) { }) {
return errors.New("block access list accounts not in lexicographic order") return errors.New("block access list accounts not in lexicographic order")