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Sending transactions in chunks. (#4089)

This commit is contained in:
Tomasz Drwięga 2017-01-09 11:20:02 +01:00 committed by Gav Wood
parent 14e65e5c3c
commit 4c94878cf7
1 changed files with 11 additions and 2 deletions
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13
sync/src/chain.rs
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@ -125,6 +125,8 @@ const MAX_NEW_HASHES: usize = 64;
const MAX_TX_TO_IMPORT: usize = 512;
const MAX_NEW_BLOCK_AGE: BlockNumber = 20;
const MAX_TRANSACTION_SIZE: usize = 300*1024;
// Maximal number of transactions in sent in single packet.
const MAX_TRANSACTIONS_TO_PROPAGATE: usize = 64;
// Min number of blocks to be behind for a snapshot sync
const SNAPSHOT_RESTORE_THRESHOLD: BlockNumber = 100000;
const SNAPSHOT_MIN_PEERS: usize = 3;
@ -1991,7 +1993,10 @@ impl ChainSync {
}
// Get hashes of all transactions to send to this peer
let to_send = all_transactions_hashes.difference(&peer_info.last_sent_transactions).cloned().collect::<HashSet<_>>();
let to_send = all_transactions_hashes.difference(&peer_info.last_sent_transactions)
.take(MAX_TRANSACTIONS_TO_PROPAGATE)
.cloned()
.collect::<HashSet<_>>();
if to_send.is_empty() {
return None;
}
@ -2007,7 +2012,11 @@ impl ChainSync {
}
}
peer_info.last_sent_transactions = all_transactions_hashes.clone();
peer_info.last_sent_transactions = all_transactions_hashes
.intersection(&peer_info.last_sent_transactions)
.chain(&to_send)
.cloned()
.collect();
Some((*peer_id, to_send.len(), packet.out()))
})
.collect::<Vec<_>>()