Use saturating_mul in fee() calculation #132
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@sorpaas PTAL |
sorpaas
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Nov 1, 2022
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Please pull master. That should fix CI. |
Thanks, CI is green now. |
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@sorpaas Can this be merged now? |
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* update PrecompileHandle ref: rust-ethereum/evm#122 * update fee calculation ref: rust-ethereum/evm#132 * add code_size/code_hash fn in StackState trait ref: rust-ethereum/evm#140 * update evm call stack ref: rust-ethereum/evm#136 * update evm call stack ref: rust-ethereum/evm#155 * add shanghai eips 3651, 3855, 3860 ref: rust-ethereum/evm#152 * update is_precompile ref: rust-ethereum/evm#157 * fix eip-3860 ref: rust-ethereum/evm#160 * update runtime config ref: rust-ethereum/evm#161 * add eip-4399 ref: rust-ethereum/evm#162 * fix eip-2618 ref: rust-ethereum/evm#163 * fix nonce back to U256 ref: rust-ethereum/evm#166 * remove exit_substate in create functions ref: rust-ethereum/evm#168 * record external cost ref: rust-ethereum/evm#170 * add record_external_operation ref: rust-ethereum/evm#171 * add storage_growth ref: rust-ethereum/evm#173 * update evm * switch to shanghai hardfork * update ecrecover ref: polkadot-evm/frontier#964 (#2696)
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This updates the
fee()calculation to use saturating multiplication. It is otherwise possible for this fn to overflow with sufficiently large inputs.A more disruptive alternative would be to convert return type to be an
Option<U256>and returnNoneupon overflow.