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handle gas uint overflow (ErrorGasUintOverflow) #1564
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…evm-circuits into gas_uint_overflow
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Sep 12, 2023
| let common_error_gadget = CommonErrorGadget::construct( | ||
| cb, | ||
| opcode.expr(), | ||
| 11.expr() + is_call.expr() + is_callcode.expr(), |
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I noticed we fall back to manual offset counting here. Is it because cb.rw_counter_offset() doesn't work here?
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no, it works, but I feel cb.rw_counter_offset() is indirect way for calculating the rw offset. we can not know how the rwc change by reading the code directly, it is always right. I prefer old way of it. so keep it when i touch it.
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issue #1599 for discussion .
zkevm-circuits/src/evm_circuit/execution/error_oog_memory_copy.rs
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zkevm-circuits/src/evm_circuit/execution/error_oog_memory_copy.rs
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zkevm-circuits/src/evm_circuit/execution/error_oog_memory_copy.rs
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Description
currently ErrorGasUintOverflow is handled within normal OOG cases, so distribute ErrorGasUintOverflow checking within each OOG gadgets (oog sha3, oog static/dynamic memory expansion, oog log etc.)
the
MemoryExpandedAddressGadgetis responsible for overflow status.Issue Link
[link issue here]
Type of change
How Has This Been Tested?
all tests pass
This PR contains: