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Merge #146

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146: Do not introduced State6 r=da-kami a=D4nte



Co-authored-by: Franck Royer <franck@coblox.tech>
This commit is contained in:
bors[bot] 2021-01-18 05:47:24 +00:00 committed by GitHub
commit f2c14c10c0
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 30 additions and 41 deletions
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16
swap/src/database/bob.rs
View File

@ -33,9 +33,9 @@ pub enum Bob {
#[derive(Clone, strum::Display, Debug, Deserialize, Serialize, PartialEq)]
pub enum BobEndState {
SafelyAborted,
XmrRedeemed(Box<bob::State6>),
XmrRedeemed { tx_lock_id: bitcoin::Txid },
BtcRefunded(Box<bob::State4>),
BtcPunished(Box<bob::State6>),
BtcPunished { tx_lock_id: bitcoin::Txid },
}
impl From<BobState> for Bob {
@ -50,8 +50,12 @@ impl From<BobState> for Bob {
BobState::CancelTimelockExpired(state4) => Bob::CancelTimelockExpired(state4),
BobState::BtcCancelled(state4) => Bob::BtcCancelled(state4),
BobState::BtcRefunded(state4) => Bob::Done(BobEndState::BtcRefunded(Box::new(state4))),
BobState::XmrRedeemed(state6) => Bob::Done(BobEndState::XmrRedeemed(Box::new(state6))),
BobState::BtcPunished(state6) => Bob::Done(BobEndState::BtcPunished(Box::new(state6))),
BobState::XmrRedeemed { tx_lock_id } => {
Bob::Done(BobEndState::XmrRedeemed { tx_lock_id })
}
BobState::BtcPunished { tx_lock_id } => {
Bob::Done(BobEndState::BtcPunished { tx_lock_id })
}
BobState::SafelyAborted => Bob::Done(BobEndState::SafelyAborted),
}
}
@ -70,9 +74,9 @@ impl From<Bob> for BobState {
Bob::BtcCancelled(state4) => BobState::BtcCancelled(state4),
Bob::Done(end_state) => match end_state {
BobEndState::SafelyAborted => BobState::SafelyAborted,
BobEndState::XmrRedeemed(state6) => BobState::XmrRedeemed(*state6),
BobEndState::XmrRedeemed { tx_lock_id } => BobState::XmrRedeemed { tx_lock_id },
BobEndState::BtcRefunded(state4) => BobState::BtcRefunded(*state4),
BobEndState::BtcPunished(state6) => BobState::BtcPunished(*state6),
BobEndState::BtcPunished { tx_lock_id } => BobState::BtcPunished { tx_lock_id },
},
}
}

35
swap/src/protocol/bob/state.rs
View File

@ -35,8 +35,12 @@ pub enum BobState {
CancelTimelockExpired(State4),
BtcCancelled(State4),
BtcRefunded(State4),
XmrRedeemed(State6),
BtcPunished(State6),
XmrRedeemed {
tx_lock_id: bitcoin::Txid,
},
BtcPunished {
tx_lock_id: bitcoin::Txid,
},
SafelyAborted,
}
@ -52,8 +56,8 @@ impl fmt::Display for BobState {
BobState::CancelTimelockExpired(..) => write!(f, "cancel timelock is expired"),
BobState::BtcCancelled(..) => write!(f, "btc is cancelled"),
BobState::BtcRefunded(..) => write!(f, "btc is refunded"),
BobState::XmrRedeemed(..) => write!(f, "xmr is redeemed"),
BobState::BtcPunished(..) => write!(f, "btc is punished"),
BobState::XmrRedeemed { .. } => write!(f, "xmr is redeemed"),
BobState::BtcPunished { .. } => write!(f, "btc is punished"),
BobState::SafelyAborted => write!(f, "safely aborted"),
}
}
@ -592,12 +596,6 @@ impl State4 {
pub fn tx_lock_id(&self) -> bitcoin::Txid {
self.tx_lock.txid()
}
pub fn state6(&self) -> State6 {
State6 {
tx_lock_id: self.tx_lock.txid(),
}
}
}
#[derive(Debug, Clone, Deserialize, Serialize, PartialEq)]
@ -650,21 +648,4 @@ impl State5 {
pub fn tx_lock_id(&self) -> bitcoin::Txid {
self.tx_lock.txid()
}
pub fn state6(&self) -> State6 {
State6 {
tx_lock_id: self.tx_lock.txid(),
}
}
}
#[derive(Debug, Clone, Deserialize, Serialize, PartialEq)]
pub struct State6 {
pub tx_lock_id: Txid,
}
impl State6 {
pub fn tx_lock_id(&self) -> bitcoin::Txid {
self.tx_lock_id
}
}

12
swap/src/protocol/bob/swap.rs
View File

@ -273,7 +273,9 @@ where
// Bob redeems XMR using revealed s_a
state.claim_xmr(monero_wallet.as_ref()).await?;
let state = BobState::XmrRedeemed(state.state6());
let state = BobState::XmrRedeemed {
tx_lock_id: state.tx_lock_id(),
};
let db_state = state.clone().into();
db.insert_latest_state(swap_id, Swap::Bob(db_state)).await?;
run_until(
@ -323,7 +325,9 @@ where
state.refund_btc(bitcoin_wallet.as_ref()).await?;
BobState::BtcRefunded(state)
}
ExpiredTimelocks::Punish => BobState::BtcPunished(state.state6()),
ExpiredTimelocks::Punish => BobState::BtcPunished {
tx_lock_id: state.tx_lock_id(),
},
};
let db_state = state.clone().into();
@ -341,9 +345,9 @@ where
.await
}
BobState::BtcRefunded(state4) => Ok(BobState::BtcRefunded(state4)),
BobState::BtcPunished(state6) => Ok(BobState::BtcPunished(state6)),
BobState::BtcPunished { tx_lock_id } => Ok(BobState::BtcPunished { tx_lock_id }),
BobState::SafelyAborted => Ok(BobState::SafelyAborted),
BobState::XmrRedeemed(state6) => Ok(BobState::XmrRedeemed(state6)),
BobState::XmrRedeemed { tx_lock_id } => Ok(BobState::XmrRedeemed { tx_lock_id }),
}
}
}

8
swap/tests/testutils/mod.rs
View File

@ -363,8 +363,8 @@ impl BobHarness {
}
pub async fn assert_redeemed(&self, state: BobState) {
let lock_tx_id = if let BobState::XmrRedeemed(state6) = state {
state6.tx_lock_id()
let lock_tx_id = if let BobState::XmrRedeemed { tx_lock_id } = state {
tx_lock_id
} else {
panic!("Bob in unexpected state");
};
@ -423,8 +423,8 @@ impl BobHarness {
}
pub async fn assert_punished(&self, state: BobState) {
let lock_tx_id = if let BobState::BtcPunished(state6) = state {
state6.tx_lock_id()
let lock_tx_id = if let BobState::BtcPunished { tx_lock_id } = state {
tx_lock_id
} else {
panic!("Bob in unexpected state");
};