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Add more logging to recovery

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Also, remove redundant timelock check.
This commit is contained in:
Lucas Soriano del Pino 2020-11-06 13:17:33 +11:00 committed by rishflab
parent 11a7963081
commit 5dede0f361
1 changed files with 17 additions and 12 deletions
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29
swap/src/recover.rs
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@ -150,6 +150,8 @@ pub async fn alice_recover(
};
}
Alice::BtcRedeemable { redeem_tx, state } => {
info!("Have the means to redeem the Bitcoin");
let tx_lock_height = bitcoin_wallet
.transaction_block_height(state.tx_lock.txid())
.await;
@ -157,12 +159,17 @@ pub async fn alice_recover(
let block_height = bitcoin_wallet.0.block_height().await?;
let refund_absolute_expiry = tx_lock_height + state.refund_timelock;
// bob cannot cancel
info!("Checking refund timelock");
if block_height < refund_absolute_expiry {
info!("Safe to redeem");
bitcoin_wallet
.broadcast_signed_transaction(redeem_tx)
.await?;
info!("Successfully redeemed bitcoin");
} else {
info!("Refund timelock reached");
let tx_cancel = TxCancel::new(
&state.tx_lock,
state.refund_timelock,
@ -170,22 +177,13 @@ pub async fn alice_recover(
state.B.clone(),
);
// Ensure that TxCancel is on the blockchain
info!("Checking if the Bitcoin cancel transaction has been published");
if bitcoin_wallet
.0
.get_raw_transaction(tx_cancel.txid())
.await
.is_err()
{
let tx_lock_height = bitcoin_wallet
.transaction_block_height(state.tx_lock.txid())
.await;
poll_until_block_height_is_gte(
&bitcoin_wallet,
tx_lock_height + state.refund_timelock,
)
.await;
let sig_a = state.a.sign(tx_cancel.digest());
let sig_b = state.tx_cancel_sig_bob.clone();
@ -202,6 +200,7 @@ pub async fn alice_recover(
bitcoin_wallet
.broadcast_signed_transaction(tx_cancel)
.await?;
info!("Successfully published Bitcoin cancel transaction");
}
let tx_cancel_height = bitcoin_wallet
@ -215,6 +214,7 @@ pub async fn alice_recover(
let tx_refund = TxRefund::new(&tx_cancel, &state.refund_address);
info!("Waiting for either Bitcoin refund or punish timelock");
match select(
bitcoin_wallet.watch_for_raw_transaction(tx_refund.txid()),
poll_until_bob_can_be_punished,
@ -222,6 +222,8 @@ pub async fn alice_recover(
.await
{
Either::Left((tx_refund_published, ..)) => {
info!("Found Bitcoin refund transaction");
let tx_refund_sig = tx_refund
.extract_signature_by_key(tx_refund_published, state.a.public())?;
let tx_refund_encsig = state
@ -244,8 +246,11 @@ pub async fn alice_recover(
monero_wallet
.create_and_load_wallet_for_output(s_a + s_b, state.v)
.await?;
info!("Successfully refunded monero");
}
Either::Right(_) => {
info!("Punish timelock reached, attempting to punish Bob");
let tx_punish =
TxPunish::new(&tx_cancel, &state.punish_address, state.punish_timelock);
@ -261,7 +266,7 @@ pub async fn alice_recover(
bitcoin_wallet
.broadcast_signed_transaction(sig_tx_punish)
.await?;
info!("Successfully redeemed bitcoin");
info!("Successfully punished Bob's inactivity by taking bitcoin");
}
};
}