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Set a fixed fee transferred to the caller for publication

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Avoids the risk of the gas used by the contract exceeding the gas presumed to
be used (causing an insolvency).
This commit is contained in:
Luke Parker
2024-09-20 00:20:05 -04:00
parent ec9211fd84
commit bc1bbf9951
5 changed files with 28 additions and 54 deletions
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11
processor/ethereum/src/scheduler.rs
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@@ -111,16 +111,19 @@ impl<D: Db> smart_contract_scheduler::SmartContract<Rpc<D>> for SmartContract {
// Push each batch onto the result
for outs in batches {
let base_gas = BASE_GAS.div_ceil(u32::try_from(outs.len()).unwrap());
let mut total_gas = 0;
let base_gas_per_payment = BASE_GAS.div_ceil(u32::try_from(outs.len()).unwrap());
// Deduce the fee from each out
for out in &mut outs {
let payment_gas = base_gas +
let payment_gas = base_gas_per_payment +
match out.0 {
Address::Address(_) => ADDRESS_PAYMENT_GAS,
Address::Contract(deployment) => CONTRACT_PAYMENT_GAS + deployment.gas_limit(),
};
total_gas += payment_gas;
let payment_gas_cost = fee_per_gas * U256::try_from(payment_gas).unwrap();
let payment_gas_cost = U256::try_from(payment_gas).unwrap() * fee_per_gas;
out.1 -= payment_gas_cost;
}
@@ -128,7 +131,7 @@ impl<D: Db> smart_contract_scheduler::SmartContract<Rpc<D>> for SmartContract {
chain_id: self.chain_id,
nonce,
coin: coin_to_ethereum_coin(coin),
fee_per_gas,
fee: U256::try_from(total_gas).unwrap() * fee_per_gas,
outs,
});
nonce += 1;