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core: more comment

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Felix Lange 2024-12-02 14:33:34 +01:00 committed by lightclient
parent 1110fc5fc6
commit 9b94402a9e
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1 changed files with 7 additions and 4 deletions
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11
core/state_transition.go
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@ -585,10 +585,13 @@ func (st *stateTransition) applyAuthorization(msg *Message, auth *types.Authoriz
// Otherwise install delegation to auth.Address.
st.state.SetCode(authority, types.AddressToDelegation(auth.Address))
// Usually the delegation target is added to the access list in statedb.Prepare(..).
// However if the destination address of the transaction is an EOA, and the EOA gains
// a new delegation in the same transaction, we need to explicitly add the delegation
// address here since Prepare has already happened.
// If an account has a code delegation to another account, that account will be added to
// the access list in statedb.Prepare(..).
//
// However if the destination address of the transaction (msg) gains a new delegation
// in this same transaction, we need to explicitly warm the delegation address here,
// since Prepare has already happened. The intention here is to behave as if the
// delegation was already present before calling Prepare.
if *msg.To == authority {
st.state.AddAddressToAccessList(auth.Address)
}