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Bigtable: Use index to filter address-signatures correctly (#11622) 

* Use index to filter address-signatures correctly

* Pull additional keys to account for filtered records

* Clarify variable name
This commit is contained in:
Tyera Eulberg 2020-08-14 13:41:27 -06:00 committed by GitHub
parent 7c736f71fe
commit 820af533a4
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 14 additions and 6 deletions
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20
storage-bigtable/src/lib.rs
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@ -371,25 +371,33 @@ impl LedgerStorage {
let address_prefix = format!("{}/", address);
// Figure out where to start listing from based on `before_signature`
let (first_slot, mut first_transaction_index) = match before_signature {
let (first_slot, mut before_transaction_index) = match before_signature {
None => (Slot::MAX, 0),
Some(before_signature) => {
let TransactionInfo { slot, index, .. } = bigtable
.get_bincode_cell("tx", before_signature.to_string())
.await?;
(slot, index + 1)
(slot, index)
}
};
let mut infos = vec![];
// Return the next `limit` tx-by-addr keys
let starting_slot_tx_by_addr_infos = bigtable
.get_bincode_cell::<Vec<TransactionByAddrInfo>>(
"tx-by-addr",
format!("{}{}", address_prefix, slot_to_key(!first_slot)),
)
.await?;
// Return the next tx-by-addr keys of amount `limit` plus extra to account for the largest
// number that might be flitered out
let tx_by_addr_info_keys = bigtable
.get_row_keys(
"tx-by-addr",
Some(format!("{}{}", address_prefix, slot_to_key(!first_slot))),
limit as i64,
limit as i64 + starting_slot_tx_by_addr_infos.len() as i64,
)
.await?;
@ -413,7 +421,7 @@ impl LedgerStorage {
for tx_by_addr_info in tx_by_addr_infos
.into_iter()
.skip(first_transaction_index as usize)
.filter(|tx_by_addr_info| tx_by_addr_info.index < before_transaction_index)
{
infos.push(ConfirmedTransactionStatusWithSignature {
signature: tx_by_addr_info.signature,
@ -426,7 +434,7 @@ impl LedgerStorage {
}
}
first_transaction_index = 0;
before_transaction_index = u32::MAX;
}
Ok(infos)
}