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core: align overflow checks in IntrinsicGas
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parent
1321a42525
commit
c40cb1be5f
1 changed files with 16 additions and 3 deletions
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@ -110,11 +110,24 @@ func IntrinsicGas(data []byte, accessList types.AccessList, authList []types.Aut
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}
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}
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if accessList != nil {
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gas += uint64(len(accessList)) * params.TxAccessListAddressGas
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gas += uint64(accessList.StorageKeys()) * params.TxAccessListStorageKeyGas
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numItems := uint64(len(accessList))
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if (math.MaxUint64-gas)/params.TxAccessListAddressGas < numItems {
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return 0, ErrGasUintOverflow
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}
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gas += numItems * params.TxAccessListAddressGas
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numStorageKeys := uint64(accessList.StorageKeys())
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if (math.MaxUint64-gas)/params.TxAccessListStorageKeyGas < numStorageKeys {
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return 0, ErrGasUintOverflow
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}
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gas += numStorageKeys * params.TxAccessListStorageKeyGas
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}
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if authList != nil {
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gas += uint64(len(authList)) * params.CallNewAccountGas
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numItems := uint64(len(authList))
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if (math.MaxUint64-gas)/params.CallNewAccountGas < numItems {
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return 0, ErrGasUintOverflow
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}
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gas += numItems * params.CallNewAccountGas
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}
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return gas, nil
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}
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