solana_runtime/bank/
address_lookup_table.rs

1use {
2    super::Bank,
3    solana_sdk::{
4        address_lookup_table::error::AddressLookupError,
5        clock::Slot,
6        message::{
7            v0::{LoadedAddresses, MessageAddressTableLookup},
8            AddressLoaderError,
9        },
10        transaction::AddressLoader,
11    },
12    solana_svm_transaction::message_address_table_lookup::SVMMessageAddressTableLookup,
13};
14
15fn into_address_loader_error(err: AddressLookupError) -> AddressLoaderError {
16    match err {
17        AddressLookupError::LookupTableAccountNotFound => {
18            AddressLoaderError::LookupTableAccountNotFound
19        }
20        AddressLookupError::InvalidAccountOwner => AddressLoaderError::InvalidAccountOwner,
21        AddressLookupError::InvalidAccountData => AddressLoaderError::InvalidAccountData,
22        AddressLookupError::InvalidLookupIndex => AddressLoaderError::InvalidLookupIndex,
23    }
24}
25
26impl AddressLoader for &Bank {
27    fn load_addresses(
28        self,
29        address_table_lookups: &[MessageAddressTableLookup],
30    ) -> Result<LoadedAddresses, AddressLoaderError> {
31        self.load_addresses_from_ref(
32            address_table_lookups
33                .iter()
34                .map(SVMMessageAddressTableLookup::from),
35        )
36        .map(|(loaded_addresses, _deactivation_slot)| loaded_addresses)
37    }
38}
39
40impl Bank {
41    /// Load addresses from an iterator of `SVMMessageAddressTableLookup`,
42    /// additionally returning the minimum deactivation slot across all referenced ALTs
43    pub fn load_addresses_from_ref<'a>(
44        &self,
45        address_table_lookups: impl Iterator<Item = SVMMessageAddressTableLookup<'a>>,
46    ) -> Result<(LoadedAddresses, Slot), AddressLoaderError> {
47        let slot_hashes = self
48            .transaction_processor
49            .sysvar_cache()
50            .get_slot_hashes()
51            .map_err(|_| AddressLoaderError::SlotHashesSysvarNotFound)?;
52
53        let mut deactivation_slot = u64::MAX;
54        let mut loaded_addresses = LoadedAddresses::default();
55        for address_table_lookup in address_table_lookups {
56            deactivation_slot = deactivation_slot.min(
57                self.rc
58                    .accounts
59                    .load_lookup_table_addresses_into(
60                        &self.ancestors,
61                        address_table_lookup,
62                        &slot_hashes,
63                        &mut loaded_addresses,
64                    )
65                    .map_err(into_address_loader_error)?,
66            );
67        }
68
69        Ok((loaded_addresses, deactivation_slot))
70    }
71}
solana_runtime/bank/address_lookup_table.rs

solana_runtime/bank/
address_lookup_table.rs
