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trace new gas change

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This commit is contained in:
Guillaume Ballet 2024-09-10 21:50:48 +02:00
parent 3ba2a4d098
commit 48aa710544
2 changed files with 9 additions and 0 deletions
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2
core/tracing/hooks.go
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@ -306,6 +306,8 @@ const (
GasChangeWitnessContractCreation GasChangeReason = 16
// GasChangeWitnessCodeChunk is the amount charged for touching one or more contract code chunks
GasChangeWitnessCodeChunk GasChangeReason = 17
// GasChangeWitnessContractCollisionCheck the amount charged for checking a contract collision
GasChangeWitnessContractCollisionCheck GasChangeReason = 17
// GasChangeIgnored is a special value that can be used to indicate that the gas change should be ignored as
// it will be "manually" tracked by a direct emit of the gas change event.

7
core/vm/evm.go
View file

@ -454,6 +454,10 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64,
if statelessGas > gas {
return nil, common.Address{}, 0, ErrOutOfGas
}
if evm.Config.Tracer != nil && evm.Config.Tracer.OnGasChange != nil {
evm.Config.Tracer.OnGasChange(gas, gas-statelessGas, tracing.GasChangeWitnessContractCollisionCheck)
}
gas = gas - statelessGas
}
// We add this to the access list _before_ taking a snapshot. Even if the
@ -498,6 +502,9 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64,
if statelessGas > gas {
return nil, common.Address{}, 0, ErrOutOfGas
}
if evm.Config.Tracer != nil && evm.Config.Tracer.OnGasChange != nil {
evm.Config.Tracer.OnGasChange(gas, gas-statelessGas, tracing.GasChangeWitnessContractInit)
}
gas = gas - statelessGas
}
evm.Context.Transfer(evm.StateDB, caller.Address(), address, value)