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Implement wait_for_transaction_finality

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Franck Royer 2020-12-02 10:00:00 +11:00
parent 65e910e1c1
commit 765482b0aa
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10 changed files with 186 additions and 33 deletions
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30
swap/src/bitcoin.rs
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@ -6,9 +6,13 @@ use backoff::{backoff::Constant as ConstantBackoff, future::FutureOperation as _
use bitcoin::util::psbt::PartiallySignedTransaction;
use bitcoin_harness::bitcoind_rpc::PsbtBase64;
use reqwest::Url;
use xmr_btc::bitcoin::{
BlockHeight, BroadcastSignedTransaction, BuildTxLockPsbt, SignTxLock, TransactionBlockHeight,
WatchForRawTransaction,
use tokio::time::interval;
use xmr_btc::{
bitcoin::{
BlockHeight, BroadcastSignedTransaction, BuildTxLockPsbt, SignTxLock,
TransactionBlockHeight, WatchForRawTransaction,
},
config::Config,
};
pub use ::bitcoin::{Address, Transaction};
@ -148,7 +152,23 @@ impl TransactionBlockHeight for Wallet {
#[async_trait]
impl WaitForTransactionFinality for Wallet {
async fn wait_for_transaction_finality(&self, _txid: Txid) {
todo!()
async fn wait_for_transaction_finality(&self, txid: Txid, config: Config) -> Result<()> {
// TODO(Franck): This assumes that bitcoind runs with txindex=1
// Divide by 4 to not check too often yet still be aware of the new block early
// on.
let mut interval = interval(config.bitcoin_avg_block_time / 4);
loop {
let tx = self.0.client.get_raw_transaction_verbose(txid).await?;
if let Some(confirmations) = tx.confirmations {
if confirmations >= config.bitcoin_finality_confirmations {
break;
}
}
interval.tick().await;
}
Ok(())
}
}