Given that we combined the `spot_price` and the `execution_setup` messaging into one protocol we should allow the protocol to take longer than 60 seconds to complete.
This is especially important for connections over Tor, where messaging can take significantly longer than over clearnet.
I ran some tests with Tor and did not run into issues with the 60 seconds, but we get very close to the timeout, so we better make it more resilient by adding more time.
When swapping on testnet we ran into a problem where the CLI started the swap after sending all messages successfully, but the ASB ran into a `connection closed` error at the end of the `swap_setup` and the swap state machine was never actually triggered.
Flushing and closing the stream on both sides should ensure that we don't run into this problem and both parties gracefully exit the protocol.
Some network and application specific code does not belong in the protocol module and was moved.
Eventloop, recovery and the outside behaviour were moved to the respective application module because they are application specific.
The `swap_setup` was moved into the network module because upon change both sides will have to be changed and should thus stay close together.
Having `spot_price` and `execution_setup` as separate protocols did not bring any advantages, but was problematic because we had to ensure that `execution_setup` would be triggered after `spot_price`. Because of this dependency it is better to combine the protocols into one.
Combining the protocols also allows a refactoring to get rid of the `libp2p-async-await` dependency.
Alice always listens for the `swap_setup` protocol. When Bob opens a substream on that protocol the spot price is communicated, and then all execution setup messages (swap-id and signature exchange).
578: Bump rust_decimal_macros from 1.14.1 to 1.14.3 r=thomaseizinger a=dependabot[bot]
Bumps [rust_decimal_macros](https://github.com/paupino/rust-decimal) from 1.14.1 to 1.14.3.
<details>
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<li><a href="b7cf68ed01"><code>b7cf68e</code></a> Merge branch 'SebRollen-SR/fix_ln_panic'</li>
<li><a href="8d2829b918"><code>8d2829b</code></a> Minor doc updates for version release</li>
<li><a href="092fdf8c8d"><code>092fdf8</code></a> fix panic in call to Decimal::ZERO.ln()</li>
<li><a href="3482ce1d23"><code>3482ce1</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/paupino/rust-decimal/issues/396">#396</a> from c410-f3r/patch-3</li>
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579: Bump rust_decimal from 1.14.2 to 1.14.3 r=thomaseizinger a=dependabot[bot]
Bumps [rust_decimal](https://github.com/paupino/rust-decimal) from 1.14.2 to 1.14.3.
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582: Asb price guarantees r=da-kami a=da-kami
Fixes#557
Tested on test-/stagenet setup with Raspi.
The change log entry in the last commit sums up the changes.
Co-authored-by: Daniel Karzel <daniel@comit.network>
Includes a new state that is used to await BTC lock tx finality. Upon starting the swap we initially only wait for the BTC lock tx to be seen in the mempool.
This is guarded by a short timeout (3 mins), because it is assumed that in the current setup (sport_price + execution_setup only triggered upon funds being available already) the lock transaction should be picked up almost instanly after the execution setup succeeded.
Similar to the CLI the ASB has to ensure that the execution_setup is executed within a certain time.
Without a timeout the price (returned by `spot_price` would be guaranteed with the CLI indefinitely.
584: Request timeout when swapping over Tor r=da-kami a=da-kami
It seems the current chosen channel timeouts are still not optimal.
I ran into issues with swapping over Tor and traced them down to the CLI timeout of the bmrng channel.
It appears that the ASB waited significant time for the acknowledgement from the CLI, which caused quite a delay.
Logs of the CLI timeout:
```
2021-06-23 12:37:49 INFO Spot price btc=0.00100000 BTC xmr=0.152542734847 XMR
2021-06-23 12:37:53 DEBUG Starting execution setup with 12D3KooWPZ69DRp4wbGB3wJsxxsg1XW1EVZ2evtVwcARCF3a1nrx
Error: Failed to complete swap
Caused by:
request timed out
Process finished with exit code 1
```
ASB logs (sorry about the time zones being not aligned, the minutes are the interesting part)
```
Jun 23 03:48:27 raspberrypi asb[7933]: WARN Estimated fee of 137.0 is smaller than the min relay fee, defaulting to min relay fee 1000
Jun 23 03:48:44 raspberrypi asb[7933]: DEBUG Spot price response sent peer=12D3KooWRqVnNWuahKawSSmxQQptGcEApNBFXNodzRv2q6tBvhUW
Jun 23 03:49:00 raspberrypi asb[7933]: WARN Lost connection. Error Connection error: I/O error: connection is closed peer=12D3KooWRqVnNWuahKawSSmxQQptGcEApNBFXNodzRv2q6tBvhUW address=/ip4/127.0.0.1/tcp/49362
```
Co-authored-by: Daniel Karzel <daniel@comit.network>
It seems the current chosen channel timeouts are still not optimal.
I ran into issues with swapping over Tor and traced them down to the CLI timeout of the bmrng channel.
It appears that the ASB was not running as quick as the CLI, which caused a timeout on the CLI side (in addition to the delay when sending messages over Tor).
Only `execution_setup` caused the problem so far, but I would recommend changing all the channel timeouts to one minute to avoid this problem.
544: Drop `monero-wallet-rpc` test container if errors r=da-kami a=da-kami
Previously we tried to wait longer upon errors on startup, but that did not fix the problem:
```
May 28 05:35:01.440 INFO monero_harness: Starting wallet: bob
May 28 05:35:04.350 INFO testcontainers::core::wait_for_message: Found message after comparing 16 lines
May 28 05:35:04.409 WARN monero_harness: Monero wallet RPC emitted error error sending request for url (http://127.0.0.1:49183/json_rpc): operation was canceled: connection closed before message completed - retrying to create wallet in 2 seconds...
May 28 05:35:06.413 WARN monero_harness: Monero wallet RPC emitted error error sending request for url (http://127.0.0.1:49183/json_rpc): operation was canceled: connection closed before message completed - retrying to create wallet in 2 seconds...
May 28 05:35:08.416 WARN monero_harness: Monero wallet RPC emitted error error sending request for url (http://127.0.0.1:49183/json_rpc): operation was canceled: connection closed before message completed - retrying to create wallet in 2 seconds...
May 28 05:35:10.420 WARN monero_harness: Monero wallet RPC emitted error error sending request for url (http://127.0.0.1:49183/json_rpc): operation was canceled: connection closed before message completed - retrying to create wallet in 2 seconds...
May 28 05:35:12.424 WARN monero_harness: Monero wallet RPC emitted error error sending request for url (http://127.0.0.1:49183/json_rpc): operation was canceled: connection closed before message completed - retrying to create wallet in 2 seconds...
thread 'alice_manually_redeems_after_enc_sig_learned' panicked at 'called `Result::unwrap()` on an `Err` value: All retry attempts for creating a wallet exhausted
```
Thus we now drop the container upon error and try to spin up a new one. If the container is not up within 5 minutes we timeout.
Co-authored-by: Daniel Karzel <daniel@comit.network>
Previously we tried to wait longer upon errors on startup, but that did not fix the problem:
```
May 28 05:35:01.440 INFO monero_harness: Starting wallet: bob
May 28 05:35:04.350 INFO testcontainers::core::wait_for_message: Found message after comparing 16 lines
May 28 05:35:04.409 WARN monero_harness: Monero wallet RPC emitted error error sending request for url (http://127.0.0.1:49183/json_rpc): operation was canceled: connection closed before message completed - retrying to create wallet in 2 seconds...
May 28 05:35:06.413 WARN monero_harness: Monero wallet RPC emitted error error sending request for url (http://127.0.0.1:49183/json_rpc): operation was canceled: connection closed before message completed - retrying to create wallet in 2 seconds...
May 28 05:35:08.416 WARN monero_harness: Monero wallet RPC emitted error error sending request for url (http://127.0.0.1:49183/json_rpc): operation was canceled: connection closed before message completed - retrying to create wallet in 2 seconds...
May 28 05:35:10.420 WARN monero_harness: Monero wallet RPC emitted error error sending request for url (http://127.0.0.1:49183/json_rpc): operation was canceled: connection closed before message completed - retrying to create wallet in 2 seconds...
May 28 05:35:12.424 WARN monero_harness: Monero wallet RPC emitted error error sending request for url (http://127.0.0.1:49183/json_rpc): operation was canceled: connection closed before message completed - retrying to create wallet in 2 seconds...
thread 'alice_manually_redeems_after_enc_sig_learned' panicked at 'called `Result::unwrap()` on an `Err` value: All retry attempts for creating a wallet exhausted
```
Thus we now drop the container upon error and try to spin up a new one. If the container is not up within 5 minutes we timeout.
581: Remove dead code r=thomaseizinger a=da-kami
583: Bump reqwest from 0.11.3 to 0.11.4 r=thomaseizinger a=dependabot[bot]
Bumps [reqwest](https://github.com/seanmonstar/reqwest) from 0.11.3 to 0.11.4.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/seanmonstar/reqwest/releases">reqwest's releases</a>.</em></p>
<blockquote>
<h2>v0.11.4</h2>
<ul>
<li>Add <code>ClientBuilder::resolve()</code> option to override DNS resolution for specific domains.</li>
<li>Add <code>native-tls-alpn</code> Cargo feature to use ALPN with the native-tls backend.</li>
<li>Add <code>ClientBuilder::deflate()</code> option and <code>deflate</code> Cargo feature to support decoding response bodies using deflate.</li>
<li>Add <code>RequestBuilder::version()</code> to allow setting the HTTP version of a request.</li>
<li>Fix allowing "invalid" certificates with the <code>rustls-tls</code> backend, when the server uses TLS v1.2 or v1.3.</li>
<li>(wasm) Add <code>try_clone</code> to <code>Request</code> and <code>RequestBuilder</code></li>
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<blockquote>
<h2>v0.11.4</h2>
<ul>
<li>Add <code>ClientBuilder::resolve()</code> option to override DNS resolution for specific domains.</li>
<li>Add <code>native-tls-alpn</code> Cargo feature to use ALPN with the native-tls backend.</li>
<li>Add <code>ClientBuilder::deflate()</code> option and <code>deflate</code> Cargo feature to support decoding response bodies using deflate.</li>
<li>Add <code>RequestBuilder::version()</code> to allow setting the HTTP version of a request.</li>
<li>Fix allowing "invalid" certificates with the <code>rustls-tls</code> backend, when the server uses TLS v1.2 or v1.3.</li>
<li>(wasm) Add <code>try_clone</code> to <code>Request</code> and <code>RequestBuilder</code></li>
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<li><a href="f5fe17876a"><code>f5fe178</code></a> v0.11.4</li>
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<li><a href="33bc7939b4"><code>33bc793</code></a> Bump lodash from 4.17.19 to 4.17.21 in /examples/wasm_github_fetch (<a href="https://github-redirect.dependabot.com/seanmonstar/reqwest/issues/1269">#1269</a>)</li>
<li><a href="b0af278f78"><code>b0af278</code></a> Implement "default" functions of the trait to fix "insecure" mode (<a href="https://github-redirect.dependabot.com/seanmonstar/reqwest/issues/1259">#1259</a>)</li>
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573: Bump hyper from 0.14.8 to 0.14.9 r=thomaseizinger a=dependabot[bot]
Bumps [hyper](https://github.com/hyperium/hyper) from 0.14.8 to 0.14.9.
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<h2>v0.14.9</h2>
<h2>Bug Fixes</h2>
<ul>
<li><strong>http1:</strong> reduce memory used with flatten write strategy (<a href="eb0c646395">eb0c6463</a>)</li>
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<blockquote>
<h3>v0.14.9 (2021-06-07)</h3>
<h4>Bug Fixes</h4>
<ul>
<li><strong>http1:</strong> reduce memory used with flatten write strategy (<a href="eb0c646395">eb0c6463</a>)</li>
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<li><a href="8b71a67413"><code>8b71a67</code></a> v0.14.9</li>
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<li><a href="6a6a24030e"><code>6a6a240</code></a> refactor(lib): Switch from pin-project to pin-project-lite (<a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2566">#2566</a>)</li>
<li><a href="0d82405a7b"><code>0d82405</code></a> refactor(http1): emit trace logs when buffering write data</li>
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566: Bump rand_chacha from 0.3.0 to 0.3.1 r=thomaseizinger a=dependabot[bot]
Bumps [rand_chacha](https://github.com/rust-random/rand) from 0.3.0 to 0.3.1.
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<blockquote>
<h2>[0.3.19] - 2017-12-27</h2>
<h3>Changed</h3>
<ul>
<li>Require <code>log <= 0.3.8</code> for dev builds</li>
<li>Update <code>fuchsia-zircon</code> dependency to 0.3</li>
<li>Fix broken links in docs (to unblock compiler docs testing CI)</li>
</ul>
<h2>[0.3.18] - 2017-11-06</h2>
<h3>Changed</h3>
<ul>
<li><code>thread_rng</code> is seeded from the system time if <code>OsRng</code> fails</li>
<li><code>weak_rng</code> now uses <code>thread_rng</code> internally</li>
</ul>
<h2>[0.3.17] - 2017-10-07</h2>
<h3>Changed</h3>
<ul>
<li>Fuchsia: Magenta was renamed Zircon</li>
</ul>
<h2>[0.3.16] - 2017-07-27</h2>
<h3>Added</h3>
<ul>
<li>Implement Debug for mote non-public types</li>
<li>implement <code>Rand</code> for (i|u)i128</li>
<li>Support for Fuchsia</li>
</ul>
<h3>Changed</h3>
<ul>
<li>Add inline attribute to SampleRange::construct_range.
This improves the benchmark for sample in 11% and for shuffle in 16%.</li>
<li>Use <code>RtlGenRandom</code> instead of <code>CryptGenRandom</code></li>
</ul>
<h2>[0.3.15] - 2016-11-26</h2>
<h3>Added</h3>
<ul>
<li>Add <code>Rng</code> trait method <code>choose_mut</code></li>
<li>Redox support</li>
</ul>
<h3>Changed</h3>
<ul>
<li>Use <code>arc4rand</code> for <code>OsRng</code> on FreeBSD.</li>
<li>Use <code>arc4random(3)</code> for <code>OsRng</code> on OpenBSD.</li>
</ul>
<h3>Fixed</h3>
<ul>
<li>Fix filling buffers 4 GiB or larger with <code>OsRng::fill_bytes</code> on Windows</li>
</ul>
<h2>[0.3.14] - 2016-02-13</h2>
<h3>Fixed</h3>
<ul>
<li>Inline definitions from winapi/advapi32, which decreases build times</li>
</ul>
<h2>[0.3.13] - 2016-01-09</h2>
<h3>Fixed</h3>
<ul>
<li>Compatible with Rust 1.7.0-nightly (needed some extra type annotations)</li>
</ul>
<!-- raw HTML omitted -->
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<li><a href="d167dd25d2"><code>d167dd2</code></a> Deprecate ReadRng</li>
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<li><a href="2732f2d6a8"><code>2732f2d</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/rust-random/rand/issues/1116">#1116</a> from vks/criterion</li>
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568: Bump bdk from 0.7.0 to 0.8.0 r=thomaseizinger a=dependabot[bot]
Bumps [bdk](https://github.com/bitcoindevkit/bdk) from 0.7.0 to 0.8.0.
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577: Don't depend on `core::fmt` through `bitcoin_hashes` re-export r=thomaseizinger a=thomaseizinger
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574: Bump tokio from 1.7.0 to 1.7.1 r=thomaseizinger a=dependabot[bot]
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561: Bump dprint/check from 1.4 to 1.5 r=thomaseizinger a=dependabot[bot]
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565: Bump anyhow from 1.0.40 to 1.0.41 r=thomaseizinger a=dependabot[bot]
Bumps [anyhow](https://github.com/dtolnay/anyhow) from 1.0.40 to 1.0.41.
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569: Bump itertools from 0.10.0 to 0.10.1 r=thomaseizinger a=dependabot[bot]
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570: Bump time from 0.2.26 to 0.2.27 r=thomaseizinger a=dependabot[bot]
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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
558: Remove websocket transport from CLI r=thomaseizinger a=thomaseizinger
I've also incorporated some of the ideas in how to modularize the Tor integration with libp2p. For more details, please see the individual patches.
Co-authored-by: Thomas Eizinger <thomas@eizinger.io>
Instead of splitting up the transports into capabilities, we compose
them directly for each application. This allows us to remove the
websocket transport for the CLI which is really only needed for the
ASB to allow retrieval of quotes via the browser.
Libp2p's transports are meant to be composed. Hence, any form of
fallback should be implemented by emitting `MultiaddrNotSupported`
from the `listen` and `dial` functions.
This allows us to completely remove the tcp transport from the tor
transport.
