Git-Mirrors/xmr-btc-swap
1
0
Fork 0
mirror of https://github.com/comit-network/xmr-btc-swap.git synced 2024-10-01 01:45:40 -04:00
Code Issues Packages Projects Releases Wiki Activity

Race sending transfer proof against cancel timelock

Browse Source 
Sending the transfer proof might never resolve because Bob doesn't
come back online. In that case, we need to make sure we bail out
as soon as the timelock expires.
This commit is contained in:
Thomas Eizinger 2021-04-01 16:38:33 +11:00
parent c0785ab05a
commit 24f444b9f7
No known key found for this signature in database
GPG Key ID: 651AC83A6C6C8B96
1 changed files with 19 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
swap/src/protocol/alice/swap.rs
View File

@ -116,29 +116,32 @@ async fn next_state(
state3,
},
},
AliceState::XmrLocked {
monero_wallet_restore_blockheight,
transfer_proof,
state3,
} => match state3.expired_timelocks(bitcoin_wallet).await? {
ExpiredTimelocks::None => {
event_loop_handle
.send_transfer_proof(transfer_proof.clone())
.await?;
} => {
let tx_lock_status = bitcoin_wallet.subscribe_to(state3.tx_lock.clone()).await;
tokio::select! {
result = event_loop_handle.send_transfer_proof(transfer_proof.clone()) => {
result?;
XmrLockTransferProofSent {
monero_wallet_restore_blockheight,
transfer_proof,
state3,
}
}
_ => AliceState::CancelTimelockExpired {
},
_ = tx_lock_status.wait_until_confirmed_with(state3.cancel_timelock) => {
AliceState::CancelTimelockExpired {
monero_wallet_restore_blockheight,
transfer_proof,
state3,
},
},
}
}
}
}
AliceState::XmrLockTransferProofSent {
monero_wallet_restore_blockheight,
transfer_proof,