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Print the Bitcoin address to the terminal as a QR code

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This commit is contained in:
xscd 2021-05-30 14:53:43 +03:00
parent d5d0dda6e7
commit 03857ca835
4 changed files with 86 additions and 1 deletions
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25
swap/src/bin/swap.rs
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@ -14,6 +14,8 @@
use anyhow::{bail, Context, Result};
use prettytable::{row, Table};
use qrcode::render::unicode;
use qrcode::QrCode;
use std::cmp::min;
use std::env;
use std::future::Future;
@ -101,6 +103,7 @@ async fn main() -> Result<()> {
let max_givable = || bitcoin_wallet.max_giveable(TxLock::script_size());
let (amount, fees) = determine_btc_to_swap(
json,
event_loop_handle.request_quote(),
bitcoin_wallet.new_address(),
|| bitcoin_wallet.balance(),
@ -325,7 +328,18 @@ async fn init_monero_wallet(
Ok((monero_wallet, monero_wallet_rpc_process))
}
fn qr_code(value: &impl ToString) -> Result<String> {
let code = QrCode::new(value.to_string())?;
let qr_code = code
.render::<unicode::Dense1x2>()
.dark_color(unicode::Dense1x2::Light)
.light_color(unicode::Dense1x2::Dark)
.build();
Ok(qr_code)
}
async fn determine_btc_to_swap<FB, TB, FMG, TMG, FS, TS>(
json: bool,
bid_quote: impl Future<Output = Result<BidQuote>>,
get_new_address: impl Future<Output = Result<bitcoin::Address>>,
balance: FB,
@ -358,6 +372,10 @@ where
let minimum_amount = bid_quote.min_quantity;
let maximum_amount = bid_quote.max_quantity;
if !json {
eprintln!("{}", qr_code(&deposit_address)?);
}
info!(
%deposit_address,
%current_maximum_giveable,
@ -449,6 +467,7 @@ mod tests {
])));
let (amount, fees) = determine_btc_to_swap(
true,
async { Ok(quote_with_max(0.01)) },
get_dummy_address(),
|| async { Ok(Amount::from_btc(0.001)?) },
@ -475,6 +494,7 @@ mod tests {
])));
let (amount, fees) = determine_btc_to_swap(
true,
async { Ok(quote_with_max(0.01)) },
get_dummy_address(),
|| async { Ok(Amount::from_btc(0.1001)?) },
@ -502,6 +522,7 @@ mod tests {
])));
let (amount, fees) = determine_btc_to_swap(
true,
async { Ok(quote_with_max(0.01)) },
async { panic!("should not request new address when initial balance is > 0") },
|| async { Ok(Amount::from_btc(0.005)?) },
@ -529,6 +550,7 @@ mod tests {
])));
let (amount, fees) = determine_btc_to_swap(
true,
async { Ok(quote_with_max(0.01)) },
async { panic!("should not request new address when initial balance is > 0") },
|| async { Ok(Amount::from_btc(0.1001)?) },
@ -556,6 +578,7 @@ mod tests {
])));
let (amount, fees) = determine_btc_to_swap(
true,
async { Ok(quote_with_min(0.01)) },
get_dummy_address(),
|| async { Ok(Amount::from_btc(0.0101)?) },
@ -583,6 +606,7 @@ mod tests {
])));
let (amount, fees) = determine_btc_to_swap(
true,
async { Ok(quote_with_min(0.01)) },
get_dummy_address(),
|| async { Ok(Amount::from_btc(0.0101)?) },
@ -615,6 +639,7 @@ mod tests {
let error = tokio::time::timeout(
Duration::from_secs(1),
determine_btc_to_swap(
true,
async { Ok(quote_with_min(0.1)) },
get_dummy_address(),
|| async { Ok(Amount::from_btc(0.0101)?) },