Measure execution cost and transaction cost

[clearloop]

For the example storage IO contract running in remix, there will be logs about transaction cost and execution cost

status	true Transaction mined and execution succeed
transaction hash	0x54a2cc464980e7cf39942ac89960e5b2ce4d8d3a1913182c23dbf2e0757a1b0d
block hash	0x9540c4cb821107d1c07d58214fb5e5f003007a4465be6a2891a521785291e3ce
block number	28
from	0x5B38Da6a701c568545dCfcB03FcB875f56beddC4
to	Storage.sg(int256) 0x358AA13c52544ECCEF6B0ADD0f801012ADAD5eE3
gas	27752 gas
transaction cost	24132 gas
execution cost	2916 gas

However in the gas inspector of revm, we currently only has used + memory

https://github.com/bluealloy/revm/blob/main/crates/interpreter/src/gas.rs#L8

[rakita]

hm, I would have assumed that transaction cose + execution cost = gas

Can probably separate intrinsic gas calculation into the standalone function (gas needed before execution) which would solve some things.

[clearloop]

just found an interesting comment on this: https://ethereum.stackexchange.com/a/29560/125158

[rakita]

I know about it, this is kinda a ddos protection for txpool (and again checked inside execution) which is a minimal amount of gas that is spent by tx, and of course, the account would need to have enough fee for it. If account does not have enough balance to cover that intrinsic amount tx is considered invalid (and block too).

The spec is kinda not updated as it is missing tx access list.

In revm it is, in essence, this fn: https://github.com/bluealloy/revm/blob/9afe097881dc06f11075d57b761aceb5fdf18728/crates/interpreter/src/gas/calc.rs#L333C35-L333C35

[rakita]

Closing this as intrinsic gas can be fetched by different function