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fix: CREATE-time PUSHn adds non-existent entries to witness #361
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gballet
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kaustinen-with-shapella
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fix-create-time-pushn-addition-to-witness
Feb 5, 2024
Merged
fix: CREATE-time PUSHn adds non-existent entries to witness #361
gballet
merged 4 commits into
kaustinen-with-shapella
from
fix-create-time-pushn-addition-to-witness
Feb 5, 2024
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gballet
commented
Feb 5, 2024
@@ -484,7 +484,7 @@ func TestProcessVerkle(t *testing.T) { | |||
txCost1 := params.TxGas | |||
txCost2 := params.TxGas | |||
contractCreationCost := intrinsicContractCreationGas + uint64(7700 /* creation */ +2939 /* execution costs */) | |||
codeWithExtCodeCopyGas := intrinsicCodeWithExtCodeCopyGas + uint64(7000 /* creation */ +315944 /* execution costs */) | |||
codeWithExtCodeCopyGas := intrinsicCodeWithExtCodeCopyGas + uint64(7000 /* creation */ +299744 /* execution costs */) |
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so I realized that I never worked out the actual cost breakdown, and this should be done. It's added to my GTD list for later 😁
jsign
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Feb 5, 2024
gballet
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May 7, 2024
* fix: CREATE-time PUSHn adds non-existent entries to witness * this also affects CODECOPY * fix: add code returned by CREATE* to the witness * fix gas costs
gballet
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May 8, 2024
* fix: CREATE-time PUSHn adds non-existent entries to witness * this also affects CODECOPY * fix: add code returned by CREATE* to the witness * fix gas costs
gballet
added a commit
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May 8, 2024
* fix: CREATE-time PUSHn adds non-existent entries to witness * this also affects CODECOPY * fix: add code returned by CREATE* to the witness * fix gas costs
gballet
added a commit
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May 8, 2024
* fix: CREATE-time PUSHn adds non-existent entries to witness * this also affects CODECOPY * fix: add code returned by CREATE* to the witness * fix gas costs
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PUSHn
was callingtouchCodeChunksRangeOnReadAndChargeGas
whether it was in contract deployment mode or not, in order to make sure that any pushdata overflowing into the next chunks are also added to the witness.The issue is that in the case of a contract deployment, the address that is used is that of the contract that is yet to be created. If, for whatever reason, the deployment code ends up being larger than the contract payload that is written to the state, more chunks will be added to the witness than needs to be. This also means that deployment code is more likely to run out of gas.
This fix simply checks that we are not in deployment mode before charging this cost.