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Allow Bob to try to refund after T2 has passed

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If we don't allow this, then Bob cannot refund Bitcoin if:
Alice started a swap with Bob but never acts after the start (and remains offline).
Bob is offline until T2 has passed.
This commit is contained in:
Daniel Karzel 2020-12-22 13:39:15 +11:00
parent c9d492d155
commit fa2902ebb1
1 changed files with 11 additions and 2 deletions
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13
swap/src/bob/swap.rs
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@ -390,15 +390,24 @@ where
.await
}
BobState::Cancelled(state) => {
// TODO
// Bob has cancelled the swap
let state = match state.current_epoch(bitcoin_wallet.as_ref()).await? {
Epoch::T0 => panic!("Cancelled before t1??? Something is really wrong"),
Epoch::T1 => {
// If T1 has expired but not T2 we must be able to refund
state.refund_btc(bitcoin_wallet.as_ref()).await?;
BobState::BtcRefunded(state)
}
Epoch::T2 => BobState::Punished,
Epoch::T2 => {
// If T2 expired we still try to refund in case Alice has not acted.
// This is especially important for scenarios where Alice is offline
// indefinitely after starting the swap.
let refund_result = state.refund_btc(bitcoin_wallet.as_ref()).await;
match refund_result {
Ok(()) => BobState::BtcRefunded(state),
Err(_) => BobState::Punished,
}
}
};
let db_state = state.clone().into();