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wow-btc-swap
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Merge #616

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616: Don't spam the user while waiting for BTC to be deposited r=thomaseizinger a=thomaseizinger



Co-authored-by: Thomas Eizinger <thomas@eizinger.io>
pull/620/head
bors[bot] 3 years ago committed by GitHub
parent 41982e0ff9 2c8bbe4913
commit b7a832eb7a
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 205 additions and 59 deletions
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264
swap/src/bin/swap.rs
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@ -422,7 +422,7 @@ where
price = %bid_quote.price,
minimum_amount = %bid_quote.min_quantity,
maximum_amount = %bid_quote.max_quantity,
"Received quote: 1 XMR ~ ",
"Received quote",
);
let mut max_giveable = max_giveable_fn().await?;
@ -445,28 +445,26 @@ where
"Waiting for Bitcoin deposit",
);
sync().await?;
max_giveable = loop {
sync().await?;
let new_max_givable = max_giveable_fn().await?;
let new_max_givable = max_giveable_fn().await?;
if new_max_givable > max_giveable {
break new_max_givable;
}
if new_max_givable != max_giveable {
max_giveable = new_max_givable;
tokio::time::sleep(Duration::from_secs(1)).await;
};
let new_balance = balance().await?;
tracing::info!(
%new_balance,
%max_giveable,
"Received Bitcoin",
);
let new_balance = balance().await?;
tracing::info!(%new_balance, %max_giveable, "Received Bitcoin");
if max_giveable >= bid_quote.min_quantity {
break;
} else {
tracing::info!("Deposited amount is less than `min_quantity`",);
}
if max_giveable < bid_quote.min_quantity {
tracing::info!("Deposited amount is less than `min_quantity`");
continue;
}
tokio::time::sleep(Duration::from_secs(1)).await;
break;
}
};
@ -482,40 +480,17 @@ where
#[cfg(test)]
mod tests {
use std::sync::Mutex;
use super::*;
use crate::determine_btc_to_swap;
use ::bitcoin::Amount;
use std::io;
use std::sync::Mutex;
use tracing::subscriber;
use crate::determine_btc_to_swap;
use super::*;
struct MaxGiveable {
amounts: Vec<Amount>,
call_counter: usize,
}
impl MaxGiveable {
fn new(amounts: Vec<Amount>) -> Self {
Self {
amounts,
call_counter: 0,
}
}
fn give(&mut self) -> Result<Amount> {
let amount = self
.amounts
.get(self.call_counter)
.ok_or_else(|| anyhow::anyhow!("No more balances available"))?;
self.call_counter += 1;
Ok(*amount)
}
}
use tracing_subscriber::fmt::MakeWriter;
#[tokio::test]
async fn given_no_balance_and_transfers_less_than_max_swaps_max_giveable() {
let _guard = subscriber::set_default(tracing_subscriber::fmt().with_test_writer().finish());
let writer = capture_logs();
let givable = Arc::new(Mutex::new(MaxGiveable::new(vec![
Amount::ZERO,
Amount::from_btc(0.0009).unwrap(),
@ -538,11 +513,19 @@ mod tests {
let expected_amount = Amount::from_btc(0.0009).unwrap();
let expected_fees = Amount::from_btc(0.0001).unwrap();
assert_eq!((amount, fees), (expected_amount, expected_fees))
assert_eq!((amount, fees), (expected_amount, expected_fees));
assert_eq!(
writer.captured(),
r" INFO swap: Received quote price=0.00100000 BTC minimum_amount=0.00000000 BTC maximum_amount=0.01000000 BTC
INFO swap: Waiting for Bitcoin deposit deposit_address=1PdfytjS7C8wwd9Lq5o4x9aXA2YRqaCpH6 max_giveable=0.00000000 BTC minimum_amount=0.00000000 BTC maximum_amount=0.01000000 BTC
INFO swap: Received Bitcoin new_balance=0.00100000 BTC max_giveable=0.00090000 BTC
"
);
}
#[tokio::test]
async fn given_no_balance_and_transfers_more_then_swaps_max_quantity_from_quote() {
let _guard = subscriber::set_default(tracing_subscriber::fmt().with_test_writer().finish());
let writer = capture_logs();
let givable = Arc::new(Mutex::new(MaxGiveable::new(vec![
Amount::ZERO,
Amount::from_btc(0.1).unwrap(),
@ -565,12 +548,19 @@ mod tests {
let expected_amount = Amount::from_btc(0.01).unwrap();
let expected_fees = Amount::from_btc(0.0001).unwrap();
assert_eq!((amount, fees), (expected_amount, expected_fees))
assert_eq!((amount, fees), (expected_amount, expected_fees));
assert_eq!(
writer.captured(),
r" INFO swap: Received quote price=0.00100000 BTC minimum_amount=0.00000000 BTC maximum_amount=0.01000000 BTC
INFO swap: Waiting for Bitcoin deposit deposit_address=1PdfytjS7C8wwd9Lq5o4x9aXA2YRqaCpH6 max_giveable=0.00000000 BTC minimum_amount=0.00000000 BTC maximum_amount=0.01000000 BTC
INFO swap: Received Bitcoin new_balance=0.10010000 BTC max_giveable=0.10000000 BTC
"
);
}
#[tokio::test]
async fn given_initial_balance_below_max_quantity_swaps_max_givable() {
let _guard = subscriber::set_default(tracing_subscriber::fmt().with_test_writer().finish());
let writer = capture_logs();
let givable = Arc::new(Mutex::new(MaxGiveable::new(vec![
Amount::from_btc(0.0049).unwrap(),
Amount::from_btc(99.9).unwrap(),
@ -593,12 +583,17 @@ mod tests {
let expected_amount = Amount::from_btc(0.0049).unwrap();
let expected_fees = Amount::from_btc(0.0001).unwrap();
assert_eq!((amount, fees), (expected_amount, expected_fees))
assert_eq!((amount, fees), (expected_amount, expected_fees));
assert_eq!(
writer.captured(),
r" INFO swap: Received quote price=0.00100000 BTC minimum_amount=0.00000000 BTC maximum_amount=0.01000000 BTC
"
);
}
#[tokio::test]
async fn given_initial_balance_above_max_quantity_swaps_max_quantity() {
let _guard = subscriber::set_default(tracing_subscriber::fmt().with_test_writer().finish());
let writer = capture_logs();
let givable = Arc::new(Mutex::new(MaxGiveable::new(vec![
Amount::from_btc(0.1).unwrap(),
Amount::from_btc(99.9).unwrap(),
@ -621,12 +616,17 @@ mod tests {
let expected_amount = Amount::from_btc(0.01).unwrap();
let expected_fees = Amount::from_btc(0.0001).unwrap();
assert_eq!((amount, fees), (expected_amount, expected_fees))
assert_eq!((amount, fees), (expected_amount, expected_fees));
assert_eq!(
writer.captured(),
r" INFO swap: Received quote price=0.00100000 BTC minimum_amount=0.00000000 BTC maximum_amount=0.01000000 BTC
"
);
}
#[tokio::test]
async fn given_no_initial_balance_then_min_wait_for_sufficient_deposit() {
let _guard = subscriber::set_default(tracing_subscriber::fmt().with_test_writer().finish());
let writer = capture_logs();
let givable = Arc::new(Mutex::new(MaxGiveable::new(vec![
Amount::ZERO,
Amount::from_btc(0.01).unwrap(),
@ -649,12 +649,19 @@ mod tests {
let expected_amount = Amount::from_btc(0.01).unwrap();
let expected_fees = Amount::from_btc(0.0001).unwrap();
assert_eq!((amount, fees), (expected_amount, expected_fees))
assert_eq!((amount, fees), (expected_amount, expected_fees));
assert_eq!(
writer.captured(),
r" INFO swap: Received quote price=0.00100000 BTC minimum_amount=0.01000000 BTC maximum_amount=184467440737.09551615 BTC
INFO swap: Waiting for Bitcoin deposit deposit_address=1PdfytjS7C8wwd9Lq5o4x9aXA2YRqaCpH6 max_giveable=0.00000000 BTC minimum_amount=0.01000000 BTC maximum_amount=184467440737.09551615 BTC
INFO swap: Received Bitcoin new_balance=0.01010000 BTC max_giveable=0.01000000 BTC
"
);
}
#[tokio::test]
async fn given_balance_less_then_min_wait_for_sufficient_deposit() {
let _guard = subscriber::set_default(tracing_subscriber::fmt().with_test_writer().finish());
let writer = capture_logs();
let givable = Arc::new(Mutex::new(MaxGiveable::new(vec![
Amount::from_btc(0.0001).unwrap(),
Amount::from_btc(0.01).unwrap(),
@ -677,12 +684,19 @@ mod tests {
let expected_amount = Amount::from_btc(0.01).unwrap();
let expected_fees = Amount::from_btc(0.0001).unwrap();
assert_eq!((amount, fees), (expected_amount, expected_fees))
assert_eq!((amount, fees), (expected_amount, expected_fees));
assert_eq!(
writer.captured(),
r" INFO swap: Received quote price=0.00100000 BTC minimum_amount=0.01000000 BTC maximum_amount=184467440737.09551615 BTC
INFO swap: Waiting for Bitcoin deposit deposit_address=1PdfytjS7C8wwd9Lq5o4x9aXA2YRqaCpH6 max_giveable=0.00010000 BTC minimum_amount=0.01000000 BTC maximum_amount=184467440737.09551615 BTC
INFO swap: Received Bitcoin new_balance=0.01010000 BTC max_giveable=0.01000000 BTC
"
);
}
#[tokio::test]
async fn given_no_initial_balance_and_transfers_less_than_min_keep_waiting() {
let _guard = subscriber::set_default(tracing_subscriber::fmt().with_test_writer().finish());
let writer = capture_logs();
let givable = Arc::new(Mutex::new(MaxGiveable::new(vec![
Amount::ZERO,
Amount::from_btc(0.01).unwrap(),
@ -708,7 +722,139 @@ mod tests {
.await
.unwrap_err();
assert!(matches!(error, tokio::time::error::Elapsed { .. }))
assert!(matches!(error, tokio::time::error::Elapsed { .. }));
assert_eq!(
writer.captured(),
r" INFO swap: Received quote price=0.00100000 BTC minimum_amount=0.10000000 BTC maximum_amount=184467440737.09551615 BTC
INFO swap: Waiting for Bitcoin deposit deposit_address=1PdfytjS7C8wwd9Lq5o4x9aXA2YRqaCpH6 max_giveable=0.00000000 BTC minimum_amount=0.10000000 BTC maximum_amount=184467440737.09551615 BTC
INFO swap: Received Bitcoin new_balance=0.01010000 BTC max_giveable=0.01000000 BTC
INFO swap: Deposited amount is less than `min_quantity`
INFO swap: Waiting for Bitcoin deposit deposit_address=1PdfytjS7C8wwd9Lq5o4x9aXA2YRqaCpH6 max_giveable=0.01000000 BTC minimum_amount=0.10000000 BTC maximum_amount=184467440737.09551615 BTC
"
);
}
#[tokio::test]
async fn given_longer_delay_until_deposit_should_not_spam_user() {
let writer = capture_logs();
let givable = Arc::new(Mutex::new(MaxGiveable::new(vec![
Amount::ZERO,
Amount::ZERO,
Amount::ZERO,
Amount::ZERO,
Amount::ZERO,
Amount::ZERO,
Amount::ZERO,
Amount::ZERO,
Amount::ZERO,
Amount::from_btc(0.2).unwrap(),
])));
tokio::time::timeout(
Duration::from_secs(10),
determine_btc_to_swap(
true,
async { Ok(quote_with_min(0.1)) },
get_dummy_address(),
|| async { Ok(Amount::from_btc(0.21)?) },
|| async {
let mut result = givable.lock().unwrap();
result.give()
},
|| async { Ok(()) },
),
)
.await
.unwrap()
.unwrap();
assert_eq!(
writer.captured(),
r" INFO swap: Received quote price=0.00100000 BTC minimum_amount=0.10000000 BTC maximum_amount=184467440737.09551615 BTC
INFO swap: Waiting for Bitcoin deposit deposit_address=1PdfytjS7C8wwd9Lq5o4x9aXA2YRqaCpH6 max_giveable=0.00000000 BTC minimum_amount=0.10000000 BTC maximum_amount=184467440737.09551615 BTC
INFO swap: Received Bitcoin new_balance=0.21000000 BTC max_giveable=0.20000000 BTC
"
);
}
/// Setup tracing with a capturing writer, allowing assertions on the log
/// messages.
///
/// Time and ANSI are disabled to make the output more predictable and
/// readable.
fn capture_logs() -> MakeCapturingWriter {
let make_writer = MakeCapturingWriter::default();
let guard = subscriber::set_default(
tracing_subscriber::fmt()
.with_ansi(false)
.without_time()
.with_writer(make_writer.clone())
.finish(),
);
// don't clean up guard we stay initialized
std::mem::forget(guard);
make_writer
}
#[derive(Default, Clone)]
struct MakeCapturingWriter {
writer: CapturingWriter,
}
impl MakeCapturingWriter {
fn captured(&self) -> String {
let captured = &self.writer.captured;
let cursor = captured.lock().unwrap();
String::from_utf8(cursor.clone().into_inner()).unwrap()
}
}
impl MakeWriter for MakeCapturingWriter {
type Writer = CapturingWriter;
fn make_writer(&self) -> Self::Writer {
self.writer.clone()
}
}
#[derive(Default, Clone)]
struct CapturingWriter {
captured: Arc<Mutex<io::Cursor<Vec<u8>>>>,
}
impl io::Write for CapturingWriter {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
self.captured.lock().unwrap().write(buf)
}
fn flush(&mut self) -> io::Result<()> {
Ok(())
}
}
struct MaxGiveable {
amounts: Vec<Amount>,
call_counter: usize,
}
impl MaxGiveable {
fn new(amounts: Vec<Amount>) -> Self {
Self {
amounts,
call_counter: 0,
}
}
fn give(&mut self) -> Result<Amount> {
let amount = self
.amounts
.get(self.call_counter)
.ok_or_else(|| anyhow::anyhow!("No more balances available"))?;
self.call_counter += 1;
Ok(*amount)
}
}
fn quote_with_max(btc: f64) -> BidQuote {

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