xmr-btc-swap/swap/src/bin/swap.rs

421 lines
15 KiB
Rust

#![warn(
unused_extern_crates,
missing_copy_implementations,
rust_2018_idioms,
clippy::cast_possible_truncation,
clippy::cast_sign_loss,
clippy::fallible_impl_from,
clippy::cast_precision_loss,
clippy::cast_possible_wrap,
clippy::dbg_macro
)]
#![forbid(unsafe_code)]
#![allow(non_snake_case)]
use anyhow::Result;
use std::env;
use std::sync::Arc;
use swap::cli::command::{parse_args_and_apply_defaults, ParseResult};
use swap::common::check_latest_version;
#[tokio::main]
async fn main() -> Result<()> {
let (context, request) = match parse_args_and_apply_defaults(env::args_os()).await? {
ParseResult::Context(context, request) => (context, request),
ParseResult::PrintAndExitZero { message } => {
println!("{}", message);
std::process::exit(0);
}
};
if let Err(e) = check_latest_version(env!("CARGO_PKG_VERSION")).await {
eprintln!("{}", e);
}
request.call(context.clone()).await?;
context.tasks.wait_for_tasks().await?;
Ok(())
}
#[cfg(test)]
mod tests {
use super::*;
use ::bitcoin::Amount;
use std::sync::Mutex;
use std::time::Duration;
use swap::api::request::determine_btc_to_swap;
use swap::network::quote::BidQuote;
use swap::tracing_ext::capture_logs;
use tracing::level_filters::LevelFilter;
#[tokio::test]
async fn given_no_balance_and_transfers_less_than_max_swaps_max_giveable() {
let writer = capture_logs(LevelFilter::INFO);
let givable = Arc::new(Mutex::new(MaxGiveable::new(vec![
Amount::ZERO,
Amount::from_btc(0.0009).unwrap(),
])));
let (amount, fees) = determine_btc_to_swap(
true,
quote_with_max(0.01),
get_dummy_address(),
|| async { Ok(Amount::from_btc(0.001)?) },
|| async {
let mut result = givable.lock().unwrap();
result.give()
},
|| async { Ok(()) },
|_| async { Ok(Amount::from_sat(1000)) },
)
.await
.unwrap();
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!(
writer.captured(),
r" INFO swap::api::request: Received quote price=0.001 BTC minimum_amount=0 BTC maximum_amount=0.01 BTC
INFO swap::api::request: Deposit at least 0.00001 BTC to cover the min quantity with fee!
INFO swap::api::request: Waiting for Bitcoin deposit deposit_address=1PdfytjS7C8wwd9Lq5o4x9aXA2YRqaCpH6 min_deposit=0.00001 BTC max_giveable=0 BTC minimum_amount=0 BTC maximum_amount=0.01 BTC
INFO swap::api::request: Received Bitcoin new_balance=0.001 BTC max_giveable=0.0009 BTC
"
);
}
#[tokio::test]
async fn given_no_balance_and_transfers_more_then_swaps_max_quantity_from_quote() {
let writer = capture_logs(LevelFilter::INFO);
let givable = Arc::new(Mutex::new(MaxGiveable::new(vec![
Amount::ZERO,
Amount::from_btc(0.1).unwrap(),
])));
let (amount, fees) = determine_btc_to_swap(
true,
quote_with_max(0.01),
get_dummy_address(),
|| async { Ok(Amount::from_btc(0.1001)?) },
|| async {
let mut result = givable.lock().unwrap();
result.give()
},
|| async { Ok(()) },
|_| async { Ok(Amount::from_sat(1000)) },
)
.await
.unwrap();
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!(
writer.captured(),
r" INFO swap::api::request: Received quote price=0.001 BTC minimum_amount=0 BTC maximum_amount=0.01 BTC
INFO swap::api::request: Deposit at least 0.00001 BTC to cover the min quantity with fee!
INFO swap::api::request: Waiting for Bitcoin deposit deposit_address=1PdfytjS7C8wwd9Lq5o4x9aXA2YRqaCpH6 min_deposit=0.00001 BTC max_giveable=0 BTC minimum_amount=0 BTC maximum_amount=0.01 BTC
INFO swap::api::request: Received Bitcoin new_balance=0.1001 BTC max_giveable=0.1 BTC
"
);
}
#[tokio::test]
async fn given_initial_balance_below_max_quantity_swaps_max_giveable() {
let writer = capture_logs(LevelFilter::INFO);
let givable = Arc::new(Mutex::new(MaxGiveable::new(vec![
Amount::from_btc(0.0049).unwrap(),
Amount::from_btc(99.9).unwrap(),
])));
let (amount, fees) = determine_btc_to_swap(
true,
quote_with_max(0.01),
async { panic!("should not request new address when initial balance is > 0") },
|| async { Ok(Amount::from_btc(0.005)?) },
|| async {
let mut result = givable.lock().unwrap();
result.give()
},
|| async { Ok(()) },
|_| async { Ok(Amount::from_sat(1000)) },
)
.await
.unwrap();
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!(
writer.captured(),
" INFO swap::api::request: Received quote price=0.001 BTC minimum_amount=0 BTC maximum_amount=0.01 BTC\n"
);
}
#[tokio::test]
async fn given_initial_balance_above_max_quantity_swaps_max_quantity() {
let writer = capture_logs(LevelFilter::INFO);
let givable = Arc::new(Mutex::new(MaxGiveable::new(vec![
Amount::from_btc(0.1).unwrap(),
Amount::from_btc(99.9).unwrap(),
])));
let (amount, fees) = determine_btc_to_swap(
true,
quote_with_max(0.01),
async { panic!("should not request new address when initial balance is > 0") },
|| async { Ok(Amount::from_btc(0.1001)?) },
|| async {
let mut result = givable.lock().unwrap();
result.give()
},
|| async { Ok(()) },
|_| async { Ok(Amount::from_sat(1000)) },
)
.await
.unwrap();
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!(
writer.captured(),
" INFO swap::api::request: Received quote price=0.001 BTC minimum_amount=0 BTC maximum_amount=0.01 BTC\n"
);
}
#[tokio::test]
async fn given_no_initial_balance_then_min_wait_for_sufficient_deposit() {
let writer = capture_logs(LevelFilter::INFO);
let givable = Arc::new(Mutex::new(MaxGiveable::new(vec![
Amount::ZERO,
Amount::from_btc(0.01).unwrap(),
])));
let (amount, fees) = determine_btc_to_swap(
true,
quote_with_min(0.01),
get_dummy_address(),
|| async { Ok(Amount::from_btc(0.0101)?) },
|| async {
let mut result = givable.lock().unwrap();
result.give()
},
|| async { Ok(()) },
|_| async { Ok(Amount::from_sat(1000)) },
)
.await
.unwrap();
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!(
writer.captured(),
r" INFO swap::api::request: Received quote price=0.001 BTC minimum_amount=0.01 BTC maximum_amount=184467440737.09551615 BTC
INFO swap::api::request: Deposit at least 0.01001 BTC to cover the min quantity with fee!
INFO swap::api::request: Waiting for Bitcoin deposit deposit_address=1PdfytjS7C8wwd9Lq5o4x9aXA2YRqaCpH6 min_deposit=0.01001 BTC max_giveable=0 BTC minimum_amount=0.01 BTC maximum_amount=184467440737.09551615 BTC
INFO swap::api::request: Received Bitcoin new_balance=0.0101 BTC max_giveable=0.01 BTC
"
);
}
#[tokio::test]
async fn given_balance_less_then_min_wait_for_sufficient_deposit() {
let writer = capture_logs(LevelFilter::INFO);
let givable = Arc::new(Mutex::new(MaxGiveable::new(vec![
Amount::from_btc(0.0001).unwrap(),
Amount::from_btc(0.01).unwrap(),
])));
let (amount, fees) = determine_btc_to_swap(
true,
quote_with_min(0.01),
get_dummy_address(),
|| async { Ok(Amount::from_btc(0.0101)?) },
|| async {
let mut result = givable.lock().unwrap();
result.give()
},
|| async { Ok(()) },
|_| async { Ok(Amount::from_sat(1000)) },
)
.await
.unwrap();
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!(
writer.captured(),
r" INFO swap::api::request: Received quote price=0.001 BTC minimum_amount=0.01 BTC maximum_amount=184467440737.09551615 BTC
INFO swap::api::request: Deposit at least 0.00991 BTC to cover the min quantity with fee!
INFO swap::api::request: Waiting for Bitcoin deposit deposit_address=1PdfytjS7C8wwd9Lq5o4x9aXA2YRqaCpH6 min_deposit=0.00991 BTC max_giveable=0.0001 BTC minimum_amount=0.01 BTC maximum_amount=184467440737.09551615 BTC
INFO swap::api::request: Received Bitcoin new_balance=0.0101 BTC max_giveable=0.01 BTC
"
);
}
#[tokio::test]
async fn given_no_initial_balance_and_transfers_less_than_min_keep_waiting() {
let writer = capture_logs(LevelFilter::INFO);
let givable = Arc::new(Mutex::new(MaxGiveable::new(vec![
Amount::ZERO,
Amount::from_btc(0.01).unwrap(),
Amount::from_btc(0.01).unwrap(),
Amount::from_btc(0.01).unwrap(),
Amount::from_btc(0.01).unwrap(),
])));
let error = tokio::time::timeout(
Duration::from_secs(1),
determine_btc_to_swap(
true,
quote_with_min(0.1),
get_dummy_address(),
|| async { Ok(Amount::from_btc(0.0101)?) },
|| async {
let mut result = givable.lock().unwrap();
result.give()
},
|| async { Ok(()) },
|_| async { Ok(Amount::from_sat(1000)) },
),
)
.await
.unwrap_err();
assert!(matches!(error, tokio::time::error::Elapsed { .. }));
assert_eq!(
writer.captured(),
r" INFO swap::api::request: Received quote price=0.001 BTC minimum_amount=0.1 BTC maximum_amount=184467440737.09551615 BTC
INFO swap::api::request: Deposit at least 0.10001 BTC to cover the min quantity with fee!
INFO swap::api::request: Waiting for Bitcoin deposit deposit_address=1PdfytjS7C8wwd9Lq5o4x9aXA2YRqaCpH6 min_deposit=0.10001 BTC max_giveable=0 BTC minimum_amount=0.1 BTC maximum_amount=184467440737.09551615 BTC
INFO swap::api::request: Received Bitcoin new_balance=0.0101 BTC max_giveable=0.01 BTC
INFO swap::api::request: Deposited amount is less than `min_quantity`
INFO swap::api::request: Deposit at least 0.09001 BTC to cover the min quantity with fee!
INFO swap::api::request: Waiting for Bitcoin deposit deposit_address=1PdfytjS7C8wwd9Lq5o4x9aXA2YRqaCpH6 min_deposit=0.09001 BTC max_giveable=0.01 BTC minimum_amount=0.1 BTC maximum_amount=184467440737.09551615 BTC
"
);
}
#[tokio::test]
async fn given_longer_delay_until_deposit_should_not_spam_user() {
let writer = capture_logs(LevelFilter::INFO);
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,
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(()) },
|_| async { Ok(Amount::from_sat(1000)) },
),
)
.await
.unwrap()
.unwrap();
assert_eq!(
writer.captured(),
r" INFO swap::api::request: Received quote price=0.001 BTC minimum_amount=0.1 BTC maximum_amount=184467440737.09551615 BTC
INFO swap::api::request: Deposit at least 0.10001 BTC to cover the min quantity with fee!
INFO swap::api::request: Waiting for Bitcoin deposit deposit_address=1PdfytjS7C8wwd9Lq5o4x9aXA2YRqaCpH6 min_deposit=0.10001 BTC max_giveable=0 BTC minimum_amount=0.1 BTC maximum_amount=184467440737.09551615 BTC
INFO swap::api::request: Received Bitcoin new_balance=0.21 BTC max_giveable=0.2 BTC
"
);
}
#[tokio::test]
async fn given_bid_quote_max_amount_0_return_error() {
let givable = Arc::new(Mutex::new(MaxGiveable::new(vec![
Amount::from_btc(0.0001).unwrap(),
Amount::from_btc(0.01).unwrap(),
])));
let determination_error = determine_btc_to_swap(
true,
quote_with_max(0.00),
get_dummy_address(),
|| async { Ok(Amount::from_btc(0.0101)?) },
|| async {
let mut result = givable.lock().unwrap();
result.give()
},
|| async { Ok(()) },
|_| async { Ok(Amount::from_sat(1000)) },
)
.await
.err()
.unwrap()
.to_string();
assert_eq!("Received quote of 0", determination_error);
}
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 {
BidQuote {
price: Amount::from_btc(0.001).unwrap(),
max_quantity: Amount::from_btc(btc).unwrap(),
min_quantity: Amount::ZERO,
}
}
fn quote_with_min(btc: f64) -> BidQuote {
BidQuote {
price: Amount::from_btc(0.001).unwrap(),
max_quantity: Amount::max_value(),
min_quantity: Amount::from_btc(btc).unwrap(),
}
}
async fn get_dummy_address() -> Result<bitcoin::Address> {
Ok("1PdfytjS7C8wwd9Lq5o4x9aXA2YRqaCpH6".parse()?)
}
}