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56 lines
1.8 KiB
Rust
56 lines
1.8 KiB
Rust
use crate::bitcoin::{parse_rpc_error_code, RpcErrorCode, Txid, Wallet};
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use crate::database::{Database, Swap};
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use crate::protocol::bob::BobState;
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use anyhow::{bail, Result};
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use std::sync::Arc;
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use uuid::Uuid;
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pub async fn cancel(
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swap_id: Uuid,
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bitcoin_wallet: Arc<Wallet>,
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db: Database,
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) -> Result<(Txid, BobState)> {
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let state = db.get_state(swap_id)?.try_into_bob()?.into();
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let state6 = match state {
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BobState::BtcLocked(state3) => state3.cancel(),
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BobState::XmrLockProofReceived { state, .. } => state.cancel(),
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BobState::XmrLocked(state4) => state4.cancel(),
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BobState::EncSigSent(state4) => state4.cancel(),
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BobState::CancelTimelockExpired(state6) => state6,
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BobState::BtcRefunded(state6) => state6,
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BobState::BtcCancelled(state6) => state6,
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BobState::Started { .. }
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| BobState::SwapSetupCompleted(_)
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| BobState::BtcRedeemed(_)
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| BobState::XmrRedeemed { .. }
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| BobState::BtcPunished { .. }
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| BobState::SafelyAborted => bail!(
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"Cannot cancel swap {} because it is in state {} which is not refundable.",
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swap_id,
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state
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),
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};
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tracing::info!(%swap_id, "Manually cancelling swap");
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let txid = match state6.submit_tx_cancel(bitcoin_wallet.as_ref()).await {
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Ok(txid) => txid,
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Err(err) => {
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if let Ok(code) = parse_rpc_error_code(&err) {
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if code == i64::from(RpcErrorCode::RpcVerifyAlreadyInChain) {
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tracing::info!("Cancel transaction has already been confirmed on chain")
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}
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}
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bail!(err);
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}
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};
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let state = BobState::BtcCancelled(state6);
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let db_state = state.clone().into();
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db.insert_latest_state(swap_id, Swap::Bob(db_state)).await?;
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Ok((txid, state))
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}
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