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@ -1,8 +1,8 @@
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use crate::{
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bitcoin::{
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timelocks::BlockHeight, Address, Amount, BroadcastSignedTransaction, BuildTxLockPsbt,
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GetBlockHeight, GetNetwork, GetRawTransaction, SignTxLock, Transaction,
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TransactionBlockHeight, TxLock, WaitForTransactionFinality, WatchForRawTransaction,
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timelocks::BlockHeight, Address, Amount, BroadcastSignedTransaction, GetBlockHeight,
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GetRawTransaction, SignTxLock, Transaction, TransactionBlockHeight, TxLock,
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WaitForTransactionFinality, WatchForRawTransaction,
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},
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execution_params::ExecutionParams,
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};
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@ -16,6 +16,7 @@ use bdk::{
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miniscript::bitcoin::PrivateKey,
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FeeRate,
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};
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use bitcoin::Script;
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use reqwest::{Method, Url};
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use serde::{Deserialize, Serialize};
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use std::{path::Path, sync::Arc, time::Duration};
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@ -38,10 +39,9 @@ enum Error {
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}
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pub struct Wallet {
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pub inner: Arc<Mutex<bdk::Wallet<ElectrumBlockchain, bdk::sled::Tree>>>,
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pub network: bitcoin::Network,
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pub http_url: Url,
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pub rpc_url: Url,
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inner: Arc<Mutex<bdk::Wallet<ElectrumBlockchain, bdk::sled::Tree>>>,
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http_url: Url,
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rpc_url: Url,
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}
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impl Wallet {
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@ -70,7 +70,6 @@ impl Wallet {
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Ok(Self {
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inner: Arc::new(Mutex::new(bdk_wallet)),
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network,
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http_url: electrum_http_url,
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rpc_url: electrum_rpc_url,
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})
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@ -82,11 +81,9 @@ impl Wallet {
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}
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pub async fn new_address(&self) -> Result<Address> {
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self.inner
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.lock()
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.await
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.get_new_address()
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.map_err(Into::into)
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let address = self.inner.lock().await.get_new_address()?;
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Ok(address)
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}
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pub async fn get_tx(&self, txid: Txid) -> Result<Option<Transaction>> {
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@ -111,29 +108,60 @@ impl Wallet {
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}
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pub async fn sync_wallet(&self) -> Result<()> {
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tracing::debug!("syncing wallet");
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self.inner.lock().await.sync(noop_progress(), None)?;
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Ok(())
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}
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}
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#[async_trait]
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impl BuildTxLockPsbt for Wallet {
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async fn build_tx_lock_psbt(
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pub async fn send_to_address(
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&self,
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output_address: Address,
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output_amount: Amount,
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address: Address,
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amount: Amount,
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) -> Result<PartiallySignedTransaction> {
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tracing::debug!("building tx lock");
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let wallet = self.inner.lock().await;
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let mut tx_builder = wallet.build_tx();
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tx_builder.add_recipient(output_address.script_pubkey(), output_amount.as_sat());
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tx_builder.fee_rate(FeeRate::from_sat_per_vb(5.0)); // todo: get actual fee
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tx_builder.add_recipient(address.script_pubkey(), amount.as_sat());
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tx_builder.fee_rate(self.select_feerate());
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let (psbt, _details) = tx_builder.finish()?;
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tracing::debug!("tx lock built");
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Ok(psbt)
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}
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/// Calculates the maximum "giveable" amount of this wallet.
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///
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/// We define this as the maximum amount we can pay to a single output,
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/// already accounting for the fees we need to spend to get the
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/// transaction confirmed.
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pub async fn max_giveable(&self) -> Result<Amount> {
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let wallet = self.inner.lock().await;
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let mut tx_builder = wallet.build_tx();
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// create a dummy script to make the txbuilder pass
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// we don't intend to send this transaction, we just want to know the max amount
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// we can spend
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let dummy_script = Script::default();
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tx_builder.set_single_recipient(dummy_script);
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tx_builder.drain_wallet();
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tx_builder.fee_rate(self.select_feerate());
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let (_, details) = tx_builder.finish()?;
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let max_giveable = details.sent - details.fees;
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Ok(Amount::from_sat(max_giveable))
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}
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pub async fn get_network(&self) -> bitcoin::Network {
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self.inner.lock().await.network()
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}
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/// Selects an appropriate [`FeeRate`] to be used for getting transactions
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/// confirmed within a reasonable amount of time.
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fn select_feerate(&self) -> FeeRate {
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// TODO: This should obviously not be a const :)
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FeeRate::from_sat_per_vb(5.0)
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}
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}
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#[async_trait]
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@ -288,13 +316,6 @@ impl WaitForTransactionFinality for Wallet {
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}
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}
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#[async_trait]
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impl GetNetwork for Wallet {
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async fn get_network(&self) -> bitcoin::Network {
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self.inner.lock().await.network()
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}
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}
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fn tx_status_url(txid: Txid, base_url: &Url) -> Result<Url> {
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let url = base_url.join(&format!("tx/{}/status", txid))?;
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Ok(url)
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bors[bot]
3 years ago
committed by
GitHub