58 lines
1.8 KiB
Rust
58 lines
1.8 KiB
Rust
use crate::bitcoin::{self, driver};
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use bdk::wallet::AddressIndex::New;
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use bdk::SignOptions;
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pub(crate) async fn run() -> anyhow::Result<()> {
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tracing::info!("starting htlc flow");
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let (dave, sammy) = driver::setup().await?;
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tracing::info!("syncing dave wallet");
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let _ = dave.sync();
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tracing::info!("syncing samy wallet");
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let _ = sammy.sync();
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// format a new commitment transaction like in Lightning
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let mut commitment_builder = dave.wallet.build_tx();
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let amount = 500;
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let recipient = sammy.wallet.get_address(New)?.script_pubkey();
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// Feed it 500 sats, a redeem identity, a hashlock, a refund timelock, and a refund identity
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//
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let htlc = bitcoin::htlc::Htlc::new(
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dave.external_public_key,
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"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff".to_string(),
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100,
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sammy.external_public_key,
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);
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let htlc_descriptor = htlc.to_miniscript_descriptor();
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tracing::info!("descriptor: {}", htlc_descriptor);
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commitment_builder.add_recipient(recipient, amount);
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commitment_builder.enable_rbf();
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let (psbt, _) = commitment_builder
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.finish()
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.expect("unable to build commitment");
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// sign the commitment transaction
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let mut dave_psbt = dave.sign(&mut psbt.clone(), false)?;
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let sammy_psbt = sammy.sign(&mut psbt.clone(), false)?;
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dave_psbt
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.combine(sammy_psbt)
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.expect("problem combining bitcoin PSBTs"); // these guys love mutability
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let finalized = dave
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.wallet
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.finalize_psbt(&mut dave_psbt, SignOptions::default())
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.expect("couldn't finalize");
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assert!(finalized);
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let tx = dave_psbt.extract_tx();
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let _ = dave.broadcast(&tx)?;
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let _ = sammy.sync();
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let _ = sammy.wallet.get_balance();
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Ok(())
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}
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