Commit Graph

879 Commits

Author SHA1 Message Date
Thomas Eizinger
4ab7e83806
Make use of cargo tests scoped test output
By using `test_writer`, cargo can automatically scope the output
of the test to the relevant thread and will also only output it
if the test fails or is run with `--nocapture`.
2021-03-29 12:15:51 +11:00
Thomas Eizinger
908dae3442
Inline tracing initialization
This code snippet is so short, it might as well be inlined to give
the test more control over what it wants to log.
2021-03-29 12:15:51 +11:00
Thomas Eizinger
c01cccb288
Use tracing-log feature flag instead of manual initialization
This also formats `log` events more nicely. Instead of

```
Mar 29 09:46:16.775  INFO log: Found message after comparing 82 lines log.target="testcontainers::core::wait_for_message" log.module_path="testcontainers::core::wait_for_message" log.file="/home/thomas/.cargo/registry/src/github.com-1ecc6299db9ec823/testcontainers-0.12.0/src/core/wait_for_message.rs" log.line=35
```

We now have

```
Mar 29 09:57:15.860  INFO testcontainers::core::wait_for_message: Found message after comparing 81 lines
```
2021-03-29 12:15:50 +11:00
Thomas Eizinger
c5827f84ca
Refactor recursive function to loop
This should get rid of the ever-growing stack size issue.
2021-03-29 12:15:48 +11:00
Thomas Eizinger
fc175a3f53
De-couple state from Monero wallet 2021-03-29 12:15:12 +11:00
Thomas Eizinger
42b6368298
Use full-qualified path for tracing macros
Saves an import line and makes it clear that we are using tracing.
2021-03-29 12:14:19 +11:00
Thomas Eizinger
5616683d7d
Monero confirmations are a u64
Trying to deserialize the number as a u32 caused deserialization
errors.
2021-03-29 12:14:19 +11:00
Thomas Eizinger
1b63d5486d
Move tick to the beginning of the loop
This ensures that we always wait for the provided interval, even in
the case of a `continue` which happens if there is an error within
the RPC call.
2021-03-29 12:14:19 +11:00
Thomas Eizinger
393ed45b9e
Say who we are in the --help message
The message now says:

swap 0.3.0
The COMIT guys <hello@comit.network>
CLI for swapping BTC for XMR

USAGE:
    swap [FLAGS] [OPTIONS] <SUBCOMMAND>

...
2021-03-26 14:31:14 +11:00
Thomas Eizinger
39b27e37d8
Delete empty file 2021-03-26 14:31:04 +11:00
rishflab
a3e85526c6 Specify LANG env variable for monero wallet rpc for unix systems
By specifying the language we can look for a specific string to check if
 monero wallet rpc is ready
2021-03-25 19:52:43 +11:00
rishflab
bc902ea63a Use language agnostic heuristic to check if monero_wallet_rpc is ready
Our strategy of searching for a english string to determine if
monero_wallet_rpc is ready is not compatible with languages other than
english. Instead we assume the monero rpc is ready if it has stopped
writing to stdout. We make a json rpc request to confirm this. A better
solution would have been to configure the monero_wallet_rpc to always
output in english but there is not command line argument to configure
the language.

Closes #353.
2021-03-25 18:13:06 +11:00
bors[bot]
7397cb5990
Merge #359
359: Bump bdk from 0.4.0 to 0.5.0 r=thomaseizinger a=dependabot[bot]

Bumps [bdk](https://github.com/bitcoindevkit/bdk) from 0.4.0 to 0.5.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/bitcoindevkit/bdk/blob/master/CHANGELOG.md">bdk's changelog</a>.</em></p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="f7944e871b"><code>f7944e8</code></a> Bump version to 0.5.0</li>
<li><a href="2fea1761c1"><code>2fea176</code></a> Bump deps version</li>
<li><a href="fa27ae210f"><code>fa27ae2</code></a> Update version in lib.rs</li>
<li><a href="46fa41470e"><code>46fa414</code></a> Update CHANGELOG with the new release tag</li>
<li><a href="8ebe7f0ea5"><code>8ebe7f0</code></a> Merge commit 'refs/pull/308/head' of github.com:bitcoindevkit/bdk into releas...</li>
<li><a href="eb85390846"><code>eb85390</code></a> Merge commit 'refs/pull/309/head' of github.com:bitcoindevkit/bdk into releas...</li>
<li><a href="dc83db273a"><code>dc83db2</code></a> better derivation path building</li>
<li><a href="201bd6ee02"><code>201bd6e</code></a> better derivation path building</li>
<li><a href="396ffb42f9"><code>396ffb4</code></a> handle descriptor xkey origin</li>
<li><a href="9cf62ce874"><code>9cf62ce</code></a> [ci] Manually install libclang-common-10-dev to 'check-wasm' job</li>
<li>Additional commits viewable in <a href="https://github.com/bitcoindevkit/bdk/compare/v0.4.0...v0.5.0">compare view</a></li>
</ul>
</details>
<br />


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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Thomas Eizinger <thomas@eizinger.io>
2021-03-24 06:12:52 +00:00
bors[bot]
9c9b1e4f0c
Merge #370
370: No Bitcoin deposit for Alice r=da-kami a=da-kami

The message to deposit Bitcoin only applies to Bob, not Alice.
Alice does not require any initial Bitcoin.

Co-authored-by: Daniel Karzel <daniel@comit.network>
2021-03-24 05:03:19 +00:00
Thomas Eizinger
1057d115d1
Re-order bob::event_loop based on importance 2021-03-24 15:17:54 +11:00
Thomas Eizinger
638a169a04
Buffer transfer proof if we are not connected to Bob
The request-response behaviour that is used for sending the transfer
proof actually has a functionality for buffering a message if we
are currently not connected. However, the request-response behaviour
also emits a dial attempt and **drops** all buffered messages if this
dial attempt fails. For us, the dial attempt will very likely always
fail because Bob is very likely behind NAT and we have to wait for
him to reconnect to us.

To mitigate this, we build our own buffer within the EventLoop and
send transfer proofs as soon as we are connected again.

Resolves #348.
2021-03-24 15:17:54 +11:00
Thomas Eizinger
cde3f0f74a
Remove connection handling from swap execution
The swap should not be concerned with connection handling. This is
the responsibility of the overall application.

All but the execution-setup NetworkBehaviour are `request-response`
behaviours. These have built-in functionality to automatically emit
a dial attempt in case we are not connected at the time we want to
send a message. We remove all of the manual dialling code from the
swap in favor of this behaviour.

Additionally, we make sure to establish a connection as soon as the
EventLoop gets started. In case we ever loose the connection to Alice,
we try to re-establish it.
2021-03-24 15:17:54 +11:00
Daniel Karzel
1e2a3c2d32 No Bitcoin deposit for Alice
The message to deposit Bitcoin only applies to Bob, not Alice.
Alice does not require any initial Bitcoin.
2021-03-24 11:51:25 +11:00
Thomas Eizinger
804b34f6b0
Listen on all swarm events instead of just behaviour events 2021-03-24 11:39:41 +11:00
Thomas Eizinger
2200fce3f3
Pass Swarm into EventLoop
This reduces the amount of arguments we need to pass into the eventloop
at the expense of slightly more setup of the swarm.
2021-03-24 11:39:41 +11:00
Thomas Eizinger
2c9ab4f6eb
Improve code structure and error messages for running swaps
The quote message was repeated and we should set the overall
failure into a context to know what went wrong.
2021-03-24 11:39:41 +11:00
Thomas Eizinger
0c0a322a8f
Rename module to better represent what it contains
This module provides an implementation of the RequestResponseCodec
using a cbor serialization.
2021-03-24 11:39:40 +11:00
Thomas Eizinger
1de0b39b32
Unify encrypted-signature protocol to a single one 2021-03-24 11:39:40 +11:00
Thomas Eizinger
9979cc9f1f
Unify transfer-proof protocol to a single one
Previously, we had two implementations of this protocol. To reduce
code size, we make Alice and Bob use the same implementation.
2021-03-24 11:39:40 +11:00
Thomas Eizinger
9d0b9abde0
Introduce helper function for mapping RequestResponseEvent
Decomposing a RequestResponseEvent is quite verbose. We can introduce
a helper function that does the matching for us and delegates to
specific `From` implementations for the protocol specific bits.
2021-03-24 11:39:39 +11:00
Thomas Eizinger
73f30320a6
Seed should neither be Clone nor Copy
It is better to not copy around secret data within our process to
make heartbleed-like attacks harder.
2021-03-24 11:39:39 +11:00
Thomas Eizinger
96b2a76971
Take advantage of upgraded electrum-client dependency
The new version implements std::error::Error and fixes a bug that
allows us to use the default config again.
2021-03-23 14:57:27 +11:00
dependabot[bot]
7f6299075c
Bump bdk from 0.4.0 to 0.5.0
Bumps [bdk](https://github.com/bitcoindevkit/bdk) from 0.4.0 to 0.5.0.
- [Release notes](https://github.com/bitcoindevkit/bdk/releases)
- [Changelog](https://github.com/bitcoindevkit/bdk/blob/master/CHANGELOG.md)
- [Commits](https://github.com/bitcoindevkit/bdk/compare/v0.4.0...v0.5.0)

Signed-off-by: dependabot[bot] <support@github.com>
2021-03-23 03:54:18 +00:00
bors[bot]
968502827a
Merge #339
339: Bump dependency versions r=thomaseizinger a=thomaseizinger

Otherwise it will take a long time for dependabot to update all of
these.

Co-authored-by: Thomas Eizinger <thomas@eizinger.io>
2021-03-23 00:09:49 +00:00
bors[bot]
097197783c
Merge #351
351: Show the actual BTC amount and fee to be swapped r=da-kami a=da-kami

We got user feedback, that it is confusing that the amount "found" in the wallet does not match the amount actually being swapped, thus with this PR we explicitly display the amount swapped and fees.

Co-authored-by: Daniel Karzel <daniel@comit.network>
2021-03-22 23:42:31 +00:00
bors[bot]
189a13c063
Merge #319
319: Alice sweeps refunded funds into default wallet r=da-kami a=da-kami

Alice's refund scenario starts with generating the temporary wallet
from keys to claim the XMR which results in Alice' unloading the wallet.
Alice then loads her original wallet to be able to handle more swaps.
Since Alice is in the role of the long running daemon handling concurrent
swaps, the operation to close, claim and re-open her default wallet must
be atomic.
This PR adds an additional step, that sweeps all the refunded XMR back into
the default wallet. In order to ensure that this is possible, Alice has to
ensure that the locked XMR got enough confirmations.
These changes allow us to assert Alice's balance after refunding.

Co-authored-by: Daniel Karzel <daniel@comit.network>
2021-03-22 05:12:49 +00:00
Daniel Karzel
62079fc342 Punish scenario falls back to refund or fails
If we enter a punish scenario we can be sure the punish timelock is expired.
Thus, we must be able to punish unless Bob published the refund transaction.
There is no benefit in racing punish against refund here, because we cannot recover from a punish tx failure anyway.

The logic was changed to:
Try to broadcast punish tx and await finality.
  If either punish broadcasting of finality fails, try to fetch the refund transaction.
    If it is available extract Bob's Monero key part and transition to refund.
    If refund tx is not available fail without a status update.

Note that we do not distinguish different errors upon failure of punish, because
we cannot recover anyway. If we fail to retrieve Bob's refund tx, we just exit without
a status update so punish can be retried by resuming the swap.
2021-03-22 16:10:01 +11:00
Thomas Eizinger
a228349d8b
Bump dependency versions
Otherwise it will take a long time for dependabot to update all of
these.
2021-03-22 14:48:39 +11:00
Daniel Karzel
668d34080d Show the actual BTC amount and fee to be swapped 2021-03-19 17:40:14 +11:00
Thomas Eizinger
f49f8977d3
Remove dead code 2021-03-18 18:09:30 +11:00
Daniel Karzel
396c4177a6 Alice sweeps refunded funds into default wallet
Since Alice's refund scenario starts with generating the temporary wallet
from keys to claim the XMR which results in Alice' unloading the wallet.
Alice then loads her original wallet to be able to handle more swaps.
Since Alice is in the role of the long running daemon handling concurrent
swaps, the operation to close, claim and re-open her default wallet must
be atomic.
This PR adds an additional step, that sweeps all the refunded XMR back into
the default wallet. In order to ensure that this is possible, Alice has to
ensure that the locked XMR got enough confirmations.
These changes allow us to assert Alice's balance after refunding.
2021-03-18 17:59:48 +11:00
Thomas Eizinger
16dfea035b
Simplify code within BobState::XmrLockProofReceived
To achieve this, we decompose `watch_for_locked_xmr` into two parts:

1. A non-self-consuming function to construct a `WatchRequest`
2. A state transition that can now consume `self` again because
it is only called once within the whole select! expression.

Ideally, we would move more logic onto this state transition (like
comparing the actual amounts and fail the transition if it is not
valid). Doing so would have an unfortunate side-effect: We would
always wait for the full confirmations before checking whether or
not we actually receive enough XMR.

This allows us to have state transitions that consume self.
2021-03-18 15:45:58 +11:00
Thomas Eizinger
338f4b82e5
Introduce dedicated bob::State6 for cancelling 2021-03-18 15:45:57 +11:00
Thomas Eizinger
c32ef92cf5
Simplify code within BobState::EncSigSent 2021-03-18 15:45:57 +11:00
Thomas Eizinger
09e2d5b5d7
Simplify code within BobState::XmrLocked
By reducing the number of local variables, we can greatly simplify
this piece of code.
2021-03-18 15:45:57 +11:00
Thomas Eizinger
776a50137d
Use tokio::select macro instead of function
This is slightly less verbose and therefore hopefully easier to read.
2021-03-18 15:45:56 +11:00
Thomas Eizinger
b1affe3ecf
Insert latest state and call run_until only once
Instead of calling this function in all the branches, we can simply
make the whole match statement evaluate to the new state and perform
this functionality at the very end.
2021-03-18 15:45:56 +11:00
Thomas Eizinger
0d8962762a
Use early return to reduce one level of indentation 2021-03-18 15:45:55 +11:00
Thomas Eizinger
05849505b1
Inline wait_for_bitcoin_refund
This function is essentially a single select! statement and can
easily be inlined into the swap state machine.
2021-03-18 15:45:39 +11:00
Thomas Eizinger
8c9285f1f9
Inline step function because it has been reduced to a single statement 2021-03-18 15:45:36 +11:00
Thomas Eizinger
afb7e816a1
Don't wait for confirmations again
We only call this function within `CancelTimelockExpired`. There is
no need to check the confirmations again.
2021-03-18 15:44:37 +11:00
Thomas Eizinger
c92f2dbc77
Move more domain knowledge onto the TxCancel type 2021-03-18 15:44:37 +11:00
Thomas Eizinger
75aec95b0c
Introduce monero::TransferRequest
This allows us to move critical crypto logic onto `State3` which
holds all the necessary data which consequently allows us to get
rid of `lock_xmr` altogether by inlining it into the swap function.
The reduced indirection improves readability.
2021-03-18 15:44:36 +11:00
Thomas Eizinger
d682433ec9
Move EventLoopHandle next to its impl block
This struct is not that important so it can move further down.
2021-03-18 15:44:36 +11:00
Thomas Eizinger
e77f1729b4
Move extract_monero_private_key onto TxRefund
This functionality is domain-specific to the refund transaction.
Move it onto there.
2021-03-18 15:44:36 +11:00
Thomas Eizinger
a1e065b4e7
Simplify racing cancel timelock against learning enc-sig 2021-03-18 15:44:36 +11:00
Thomas Eizinger
575893fb51
Use domain types in fn signature instead of messages
This simplifies usage witin the swap module.
2021-03-18 15:44:35 +11:00
Thomas Eizinger
64b71d0b16
Remove unnecessary pinning 2021-03-18 15:44:31 +11:00
Daniel Karzel
105e291e67 Update the application name for --version print
swap --version
xmr-btc-swap 0.3.0

asb --version
xmr-btc-asb 0.3.0
2021-03-18 12:24:10 +11:00
Daniel Karzel
07542d75ac prepare 0.3 release 2021-03-18 11:11:20 +11:00
bors[bot]
d487aa3c5b
Merge #327 #330 #331
327: Bump actions/setup-python from v1 to v2.2.1 r=thomaseizinger a=dependabot[bot]

Bumps [actions/setup-python](https://github.com/actions/setup-python) from v1 to v2.2.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/actions/setup-python/releases">actions/setup-python's releases</a>.</em></p>
<blockquote>
<h2>v2.2.1</h2>
<ul>
<li>Fix PyPy3 issues with Windows</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="3105fb18c0"><code>3105fb1</code></a> fix is_windows (<a href="https://github.com/actions/setup-python/issues/172">#172</a>)</li>
<li><a href="8c5ea631b2"><code>8c5ea63</code></a> Adding support for more PyPy versions and installing them on-flight (<a href="https://github.com/actions/setup-python/issues/168">#168</a>)</li>
<li><a href="2831efe49a"><code>2831efe</code></a> Improve find-python to add &quot;Scripts&quot; folder to PATH on Windows machines (<a href="https://github.com/actions/setup-python/issues/169">#169</a>)</li>
<li><a href="3b3f2de1b1"><code>3b3f2de</code></a> update pypy3 to point to 3.6 (<a href="https://github.com/actions/setup-python/issues/164">#164</a>)</li>
<li><a href="723e46dad7"><code>723e46d</code></a> CODEOWNERS needs the org name for teams</li>
<li><a href="195f5c388b"><code>195f5c3</code></a> Create CODEOWNERS</li>
<li><a href="41b7212b16"><code>41b7212</code></a> Update README.md (<a href="https://github.com/actions/setup-python/issues/145">#145</a>)</li>
<li><a href="878156f1de"><code>878156f</code></a> Inject LD_LIBRARY_PATH library path into Python manifest install and setup (#...</li>
<li><a href="c181ffa198"><code>c181ffa</code></a> Add Environment Files (<a href="https://github.com/actions/setup-python/issues/138">#138</a>)</li>
<li><a href="1ce870e10f"><code>1ce870e</code></a> Fix links in documentation (<a href="https://github.com/actions/setup-python/issues/135">#135</a>)</li>
<li>Additional commits viewable in <a href="https://github.com/actions/setup-python/compare/v1...3105fb18c05ddd93efea5f9e0bef7a03a6e9e7df">compare view</a></li>
</ul>
</details>
<br />


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330: Bump dialoguer from 0.7.1 to 0.8.0 r=thomaseizinger a=dependabot[bot]

Bumps [dialoguer](https://github.com/mitsuhiko/dialoguer) from 0.7.1 to 0.8.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/mitsuhiko/dialoguer/blob/master/CHANGELOG.md">dialoguer's changelog</a>.</em></p>
<blockquote>
<h2>0.8.0</h2>
<h3>Enhancements</h3>
<ul>
<li><code>Input::validate_with</code> can take a <code>FnMut</code> (allowing multiple references)</li>
</ul>
<h3>Breaking</h3>
<ul>
<li><code>Input::interact*</code> methods take <code>&amp;mut self</code> instead of <code>&amp;self</code></li>
</ul>
<h2>0.7.0</h2>
<h3>Enhancements</h3>
<ul>
<li>Added <code>wait_for_newline</code> to <code>Confirm</code></li>
<li>More secure password prompt</li>
<li>More documentation</li>
<li>Added <code>interact_text</code> method for input prompt</li>
<li>Added <code>inline_selections</code> to <code>ColorfulTheme</code></li>
</ul>
<h3>Breaking</h3>
<ul>
<li>Removed <code>theme::CustomPromptCharacterTheme</code></li>
<li><code>Input</code> validators now take the input type <code>T</code> as arg</li>
<li><code>Confirm</code> has no <code>default</code> value by default now</li>
</ul>
<h2>0.6.2</h2>
<h3>Enhancements</h3>
<ul>
<li>Updating some docs</li>
</ul>
<h2>0.6.1</h2>
<h3>Bugfixes</h3>
<ul>
<li><code>theme::ColorfulTheme</code> default styles are for stderr</li>
</ul>
<h2>0.6.0</h2>
<h3>Breaking</h3>
<ul>
<li>Removed <code>theme::SelectionStyle</code> enum</li>
<li>Allowed more customization for <code>theme::Theme</code> trait by changing methods</li>
<li>Allowed more customization for <code>theme::ColorfulTheme</code> by changing members</li>
<li>Renamed prompt <code>Confirmation</code> to <code>Confirm</code></li>
<li>Renamed prompt <code>PasswordInput</code> to <code>Password</code></li>
<li>Renamed prompt <code>OrderList</code> to <code>Sort</code></li>
<li>Renamed prompt <code>Checkboxes</code> to <code>MultiSelect</code></li>
</ul>
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<details>
<summary>Commits</summary>
<ul>
<li><a href="2c3fe6b646"><code>2c3fe6b</code></a> Release 0.8.0</li>
<li><a href="64f5f9c6f5"><code>64f5f9c</code></a> Allow confirm with no choice (<a href="https://github.com/mitsuhiko/dialoguer/issues/101">#101</a>)</li>
<li><a href="0250090f95"><code>0250090</code></a> Update some docs in confirm prompt</li>
<li><a href="a76fb72c54"><code>a76fb72</code></a> Merge pull request <a href="https://github.com/mitsuhiko/dialoguer/issues/102">#102</a> from spenserblack/typo-fix</li>
<li><a href="3dd93bb75a"><code>3dd93bb</code></a> Fix typo: ereased -&gt; erased</li>
<li><a href="7ea6275caa"><code>7ea6275</code></a> Update CI for i686 ubuntu</li>
<li><a href="af664807da"><code>af66480</code></a> Allow FnMut for validate (<a href="https://github.com/mitsuhiko/dialoguer/issues/96">#96</a>)</li>
<li><a href="2b5722d0f5"><code>2b5722d</code></a> Update README.md</li>
<li><a href="2df3a705eb"><code>2df3a70</code></a> Update ci.yml</li>
<li><a href="8cebf522b3"><code>8cebf52</code></a> Merge pull request <a href="https://github.com/mitsuhiko/dialoguer/issues/94">#94</a> from mitsuhiko/remove-travis</li>
<li>Additional commits viewable in <a href="https://github.com/mitsuhiko/dialoguer/compare/0.7.1...0.8.0">compare view</a></li>
</ul>
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331: Bump tokio from 1.0.2 to 1.3.0 r=thomaseizinger a=dependabot[bot]

Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.0.2 to 1.3.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/tokio-rs/tokio/releases">tokio's releases</a>.</em></p>
<blockquote>
<h2>Tokio v1.3.0</h2>
<h3>Added</h3>
<ul>
<li>coop: expose an <code>unconstrained()</code> opt-out (<a href="https://github.com/tokio-rs/tokio/issues/3547">#3547</a>)</li>
<li>net: add <code>into_std</code> for net types without it (<a href="https://github.com/tokio-rs/tokio/issues/3509">#3509</a>)</li>
<li>sync: add <code>same_channel</code> method to <code>mpsc::Sender</code> (<a href="https://github.com/tokio-rs/tokio/issues/3532">#3532</a>)</li>
<li>sync: add <code>{try_,}acquire_many_owned</code> to <code>Semaphore</code> (<a href="https://github.com/tokio-rs/tokio/issues/3535">#3535</a>)</li>
<li>sync: add back <code>RwLockWriteGuard::map</code> and <code>RwLockWriteGuard::try_map</code> (<a href="https://github.com/tokio-rs/tokio/issues/3348">#3348</a>)</li>
</ul>
<h3>Fixed</h3>
<ul>
<li>sync: allow <code>oneshot::Receiver::close</code> after successful <code>try_recv</code> (<a href="https://github.com/tokio-rs/tokio/issues/3552">#3552</a>)</li>
<li>time: do not panic on <code>timeout(Duration::MAX)</code> (<a href="https://github.com/tokio-rs/tokio/issues/3551">#3551</a>)</li>
</ul>
<h3>Documented</h3>
<ul>
<li>doc: doc aliases for pre-1.0 function names (<a href="https://github.com/tokio-rs/tokio/issues/3523">#3523</a>)</li>
<li>io: fix typos (<a href="https://github.com/tokio-rs/tokio/issues/3541">#3541</a>)</li>
<li>io: note the EOF behaviour of <code>read_until</code> (<a href="https://github.com/tokio-rs/tokio/issues/3536">#3536</a>)</li>
<li>io: update <code>AsyncRead::poll_read</code> doc (<a href="https://github.com/tokio-rs/tokio/issues/3557">#3557</a>)</li>
<li>net: update <code>UdpSocket</code> splitting doc (<a href="https://github.com/tokio-rs/tokio/issues/3517">#3517</a>)</li>
<li>runtime: add link to <code>LocalSet</code> on <code>new_current_thread</code> (<a href="https://github.com/tokio-rs/tokio/issues/3508">#3508</a>)</li>
<li>runtime: update documentation of thread limits (<a href="https://github.com/tokio-rs/tokio/issues/3527">#3527</a>)</li>
<li>sync: do not recommend <code>join_all</code> for <code>Barrier</code> (<a href="https://github.com/tokio-rs/tokio/issues/3514">#3514</a>)</li>
<li>sync: documentation for <code>oneshot</code> (<a href="https://github.com/tokio-rs/tokio/issues/3592">#3592</a>)</li>
<li>sync: rename <code>notify</code> to <code>notify_one</code> (<a href="https://github.com/tokio-rs/tokio/issues/3526">#3526</a>)</li>
<li>time: fix typo in <code>Sleep</code> doc (<a href="https://github.com/tokio-rs/tokio/issues/3515">#3515</a>)</li>
<li>time: sync <code>interval.rs</code> and <code>time/mod.rs</code> docs (<a href="https://github.com/tokio-rs/tokio/issues/3533">#3533</a>)</li>
</ul>
<h2>Tokio v1.2.0</h2>
<h3>Added</h3>
<ul>
<li>signal: make <code>Signal::poll_recv</code> method public (<a href="https://github.com/tokio-rs/tokio/issues/3383">#3383</a>)</li>
</ul>
<h3>Fixed</h3>
<ul>
<li>time: make <code>test-util</code> paused time fully deterministic (<a href="https://github.com/tokio-rs/tokio/issues/3492">#3492</a>)</li>
</ul>
<h3>Documented</h3>
<ul>
<li>sync: link to new broadcast and watch wrappers (<a href="https://github.com/tokio-rs/tokio/issues/3504">#3504</a>)</li>
</ul>
<h2>Tokio v1.1.1</h2>
<p>Forward ports 1.0.3 fix.</p>
<h3>Fixed</h3>
<ul>
<li>io: memory leak during shutdown (<a href="https://github.com/tokio-rs/tokio/issues/3477">#3477</a>).</li>
</ul>
<h2>Tokio v1.1.0</h2>
<h3>Added</h3>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="d0e4dd1d7b"><code>d0e4dd1</code></a> chore: prepare Tokio v1.3.0 (<a href="https://github.com/tokio-rs/tokio/issues/3597">#3597</a>)</li>
<li><a href="872bc09e83"><code>872bc09</code></a> examples: update chat example (<a href="https://github.com/tokio-rs/tokio/issues/3587">#3587</a>)</li>
<li><a href="db1d90453c"><code>db1d904</code></a> util: fuse PollSemaphore (<a href="https://github.com/tokio-rs/tokio/issues/3578">#3578</a>)</li>
<li><a href="05eeea570e"><code>05eeea5</code></a> coop: expose an unconstrained() opt-out (<a href="https://github.com/tokio-rs/tokio/issues/3547">#3547</a>)</li>
<li><a href="f70b9b84f7"><code>f70b9b8</code></a> sync: documenation for oneshot (<a href="https://github.com/tokio-rs/tokio/issues/3592">#3592</a>)</li>
<li><a href="704de8c01b"><code>704de8c</code></a> stream: remove duplicate <code>doc(test(..))</code> &amp; <code>cfg_attr</code> declarations (<a href="https://github.com/tokio-rs/tokio/issues/3571">#3571</a>)</li>
<li><a href="47be928444"><code>47be928</code></a> sync: yield initial value in WatchStream (<a href="https://github.com/tokio-rs/tokio/issues/3576">#3576</a>)</li>
<li><a href="e06b257e09"><code>e06b257</code></a> sync: add same_channel method to mpsc Senders (<a href="https://github.com/tokio-rs/tokio/issues/3532">#3532</a>)</li>
<li><a href="0867a6fc03"><code>0867a6f</code></a> util: add pollable mpsc::Sender (<a href="https://github.com/tokio-rs/tokio/issues/3490">#3490</a>)</li>
<li><a href="0d838bf5ad"><code>0d838bf</code></a> io: fix link to std src in util (<a href="https://github.com/tokio-rs/tokio/issues/3568">#3568</a>)</li>
<li>Additional commits viewable in <a href="https://github.com/tokio-rs/tokio/compare/tokio-1.0.2...tokio-1.3.0">compare view</a></li>
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2021-03-17 11:02:11 +00:00
dependabot[bot]
47544764d9
Bump tokio from 1.0.2 to 1.3.0
Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.0.2 to 1.3.0.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](https://github.com/tokio-rs/tokio/compare/tokio-1.0.2...tokio-1.3.0)

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2021-03-17 10:53:55 +00:00
bors[bot]
7f6f2408a3
Merge #332
332: Bump base64 from 0.12.3 to 0.13.0 r=thomaseizinger a=dependabot[bot]

Bumps [base64](https://github.com/marshallpierce/rust-base64) from 0.12.3 to 0.13.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/marshallpierce/rust-base64/blob/master/RELEASE-NOTES.md">base64's changelog</a>.</em></p>
<blockquote>
<h1>0.13.0</h1>
<ul>
<li>Config methods are const</li>
<li>Added <code>EncoderStringWriter</code> to allow encoding directly to a String</li>
<li><code>EncoderWriter</code> now owns its delegate writer rather than keeping a reference to it (though refs still work)
<ul>
<li>As a consequence, it is now possible to extract the delegate writer from an <code>EncoderWriter</code> via <code>finish()</code>, which returns <code>Result&lt;W&gt;</code> instead of <code>Result&lt;()&gt;</code>. If you were calling <code>finish()</code> explicitly, you will now need to use <code>let _ = foo.finish()</code> instead of just <code>foo.finish()</code> to avoid a warning about the unused value.</li>
</ul>
</li>
<li>When decoding input that has both an invalid length and an invalid symbol as the last byte, <code>InvalidByte</code> will be emitted instead of <code>InvalidLength</code> to make the problem more obvious.</li>
</ul>
<h1>0.12.2</h1>
<ul>
<li>Add <code>BinHex</code> alphabet</li>
</ul>
<h1>0.12.1</h1>
<ul>
<li>Add <code>Bcrypt</code> alphabet</li>
</ul>
<h1>0.12.0</h1>
<ul>
<li>A <code>Read</code> implementation (<code>DecoderReader</code>) to let users transparently decoded data from a b64 input source</li>
<li>IMAP's modified b64 alphabet</li>
<li>Relaxed type restrictions to just <code>AsRef&lt;[ut8]&gt;</code> for main <code>encode*</code>/<code>decode*</code> functions</li>
<li>A minor performance improvement in encoding</li>
</ul>
<h1>0.11.0</h1>
<ul>
<li>Minimum rust version 1.34.0</li>
<li><code>no_std</code> is now supported via the two new features <code>alloc</code> and <code>std</code>.</li>
</ul>
<h1>0.10.1</h1>
<ul>
<li>Minimum rust version 1.27.2</li>
<li>Fix bug in streaming encoding (<a href="https://github.com/marshallpierce/rust-base64/pull/90">#90</a>): if the underlying writer didn't write all the bytes given to it, the remaining bytes would not be retried later. See the docs on <code>EncoderWriter::write</code>.</li>
<li>Make it configurable whether or not to return an error when decoding detects excess trailing bits.</li>
</ul>
<h1>0.10.0</h1>
<ul>
<li>Remove line wrapping. Line wrapping was never a great conceptual fit in this library, and other features (streaming encoding, etc) either couldn't support it or could support only special cases of it with a great increase in complexity. Line wrapping has been pulled out into a <a href="https://crates.io/crates/line-wrap">line-wrap</a> crate, so it's still available if you need it.
<ul>
<li><code>Base64Display</code> creation no longer uses a <code>Result</code> because it can't fail, which means its helper methods for common
configs that <code>unwrap()</code> for you are no longer needed</li>
</ul>
</li>
<li>Add a streaming encoder <code>Write</code> impl to transparently base64 as you write.</li>
<li>Remove the remaining <code>unsafe</code> code.</li>
<li>Remove whitespace stripping to simplify <code>no_std</code> support. No out of the box configs use it, and it's trivial to do yourself if needed: <code>filter(|b| !b&quot; \n\t\r\x0b\x0c&quot;.contains(b)</code>.</li>
<li>Detect invalid trailing symbols when decoding and return an error rather than silently ignoring them.</li>
</ul>
<h1>0.9.3</h1>
<ul>
<li>Update safemem</li>
</ul>
<h1>0.9.2</h1>
<ul>
<li>Derive <code>Clone</code> for <code>DecodeError</code>.</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="b4fc91325e"><code>b4fc913</code></a> v0.13.0</li>
<li><a href="bba4c5d11e"><code>bba4c5d</code></a> Merge pull request <a href="https://github.com/marshallpierce/rust-base64/issues/145">#145</a> from marshallpierce/mp/cleanup</li>
<li><a href="42967320b3"><code>4296732</code></a> Add docs and other cleanup</li>
<li><a href="6bb3556633"><code>6bb3556</code></a> Merge pull request <a href="https://github.com/marshallpierce/rust-base64/issues/144">#144</a> from untitaker/invalid-bytes-not-length</li>
<li><a href="5b40e0c04e"><code>5b40e0c</code></a> Merge pull request <a href="https://github.com/marshallpierce/rust-base64/issues/142">#142</a> from marshallpierce/mp/string-writer</li>
<li><a href="8b1ae22bab"><code>8b1ae22</code></a> Rename StrWrite to StrConsumer</li>
<li><a href="27ccb6591e"><code>27ccb65</code></a> fix tests</li>
<li><a href="d15cd384e1"><code>d15cd38</code></a> Give better error messages when decoding data with trailing newlines</li>
<li><a href="5a56885c65"><code>5a56885</code></a> Introduce StrWriter to allow ESW to wrap both a String and a &amp;mut String</li>
<li><a href="2dc0296d2a"><code>2dc0296</code></a> Merge pull request <a href="https://github.com/marshallpierce/rust-base64/issues/143">#143</a> from marshallpierce/mp/invalid-length-doc</li>
<li>Additional commits viewable in <a href="https://github.com/marshallpierce/rust-base64/compare/v0.12.3...v0.13.0">compare view</a></li>
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bors[bot]
2c385ee7d9
Merge #321
321: Properly handle concurrent messages to and from peers r=thomaseizinger a=thomaseizinger

Previously, we were forwarding incoming messages from peers to all
swaps that were currently running. That is obviously wrong. The new
design scopes an `EventLoopHandle` to a specific PeerId to avoid
this problem.

Co-authored-by: Thomas Eizinger <thomas@eizinger.io>
2021-03-17 10:22:26 +00:00
dependabot[bot]
e6fda4a787
Bump base64 from 0.12.3 to 0.13.0
Bumps [base64](https://github.com/marshallpierce/rust-base64) from 0.12.3 to 0.13.0.
- [Release notes](https://github.com/marshallpierce/rust-base64/releases)
- [Changelog](https://github.com/marshallpierce/rust-base64/blob/master/RELEASE-NOTES.md)
- [Commits](https://github.com/marshallpierce/rust-base64/compare/v0.12.3...v0.13.0)

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2021-03-17 07:53:32 +00:00
dependabot[bot]
64351a29b5
Bump dialoguer from 0.7.1 to 0.8.0
Bumps [dialoguer](https://github.com/mitsuhiko/dialoguer) from 0.7.1 to 0.8.0.
- [Release notes](https://github.com/mitsuhiko/dialoguer/releases)
- [Changelog](https://github.com/mitsuhiko/dialoguer/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mitsuhiko/dialoguer/compare/0.7.1...0.8.0)

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2021-03-17 07:53:12 +00:00
bors[bot]
113f2fa385
Merge #322
322: Refactor `ExecutionParams` and harmonize sync intervals of wallets r=thomaseizinger a=thomaseizinger



Co-authored-by: Thomas Eizinger <thomas@eizinger.io>
2021-03-17 06:25:59 +00:00
bors[bot]
fc28609a96
Merge #323 #324
323: Minor fixes r=thomaseizinger a=rishflab



324: Enable dependabot r=thomaseizinger a=thomaseizinger



Co-authored-by: rishflab <rishflab@hotmail.com>
Co-authored-by: Thomas Eizinger <thomas@eizinger.io>
2021-03-17 05:59:01 +00:00
Thomas Eizinger
e54d26b26c
Improve log messages by including PeerId 2021-03-17 16:32:19 +11:00
Thomas Eizinger
a57f88d1b4
Properly handle concurrent messages to and from peers
Previously, we were forwarding incoming messages from peers to all
swaps that were currently running. That is obviously wrong. The new
design scopes an `EventLoopHandle` to a specific PeerId to avoid
this problem.
2021-03-17 16:32:17 +11:00
Thomas Eizinger
ce78075932
Make Monero and Bitcoin wallet use a generalized sync interval
We define the sync interval as 1/10th of the blocktime. For the
special case of our tests, we however check at max once per second.
The tests have a super fast blocktime. As such we shouldn't hammer
the nodes with a request every 100ms.
2021-03-17 16:31:17 +11:00
Thomas Eizinger
09c41f89c4
Rename ExecutionParams to EnvironmentConfig 2021-03-17 16:31:16 +11:00
Thomas Eizinger
bc43ed6ebd
Pass execution params directly into wallet for initialization
This reduces the amount of parameters that we need to pass in.
2021-03-17 16:30:58 +11:00
Thomas Eizinger
7213907a79
Group bitcoin and monero fields together 2021-03-17 16:30:58 +11:00
bors[bot]
95acbc6277
Merge #307
307: Reduce load on electrum r=thomaseizinger a=rishflab

.

Co-authored-by: rishflab <rishflab@hotmail.com>
Co-authored-by: Thomas Eizinger <thomas@eizinger.io>
2021-03-17 05:10:50 +00:00
rishflab
8675d88727 Don't wait for tx lock confirmed after broadcast
Bob does not care whether tx lock is confirmed. That is alice's problem.
This wait was introduced to remedy a bug in status_of_script() which was
 failing when called on a transaction with no confirmations.
2021-03-17 15:34:29 +11:00
rishflab
f5e6ba18e0 Use different address for redeem and punish
Having the same address could potentially cause issues when subscribing
to transactions by script
2021-03-17 15:26:44 +11:00
bors[bot]
345bc5b316
Merge #320
320: Fix env filter for asb r=thomaseizinger a=thomaseizinger

1. The asb didn't log any if the statements within main.rs
2. We were initializing unnecessary filters that don't make any sense
for the asb. warp and http are not used and the harness-es are for
test only.

Co-authored-by: Thomas Eizinger <thomas@eizinger.io>
2021-03-17 03:51:18 +00:00
bors[bot]
9ed5ca9a04
Merge #317
317: Fix monero refresh interval r=thomaseizinger a=thomaseizinger

The comparison should be the MAXIMUM of the two values, not the
minimum, otherwise we always refresh at an interval of 1 second.

Co-authored-by: Thomas Eizinger <thomas@eizinger.io>
2021-03-17 02:38:46 +00:00
Thomas Eizinger
9e3a104b42
Disable timestamp if we log to a non-interactive terminal
A non-interactive terminal is likely something along the lines of
journalctl which captures a timestamp by itself. In theory, it could
also be just a logfile but we rather accept this limitation and keep
the configuration surface simple rather than exposing another config
switch.
2021-03-17 11:41:28 +11:00
Thomas Eizinger
edb8851ce2
Fix env filter for asb
1. The asb didn't log any if the statements within main.rs
2. We were initializing unnecessary filters that don't make any sense
for the asb. warp and http are not used and the harness-es are for
test only.
2021-03-17 11:21:05 +11:00
Thomas Eizinger
273cf15631
Introduce Watchable abstraction for Bitcoin wallet
We have a repeated pattern where we construct one of our
Tx{Cancel,Redeem,Punish,Refund,Lock} transactions and wait until
the status of this transaction changes. We can make this more
ergonomic by creating and implementing a `Watchable` trait that
gives access to the TxId and relevant script for this transaction.
This allows us to remove a parameter from the `watch_until_status`
function.

Additionally, there is a 2nd pattern: "Completing" one of these
transaction and waiting until they are confirmed with the configured
number of blocks for finality. We can make this more ergonomic by
returning a future from `broadcast` that callers can await in case
they want to wait for the broadcasted transaction to reach finality.
2021-03-16 19:24:32 +11:00
Thomas Eizinger
a0830f099f
Pass relevant execution params into wallet instead of via functions
The execution params don't change throughout the lifetime of the
program. They can be set in the wallet at the very beginning.
This simplifies the interface of the wallet functions.
2021-03-16 19:24:31 +11:00
Thomas Eizinger
84ea092a1b
Remove unnecessary state variables by constructing TXs on demand 2021-03-16 19:24:31 +11:00
rishflab
e5c0158597
Greatly reduce load onto the Electrum backend
We achieve our optimizations in three ways:

1. Batching calls instead of making them individually.

To get access to the batch calls, we replace all our
calls to the HTTP interface with RPC calls.

2. Never directly make network calls based on function
calls on the wallet.

Instead, inquiring about the status of a script always
just returns information based on local data. With every
call, we check when we last refreshed the local data and
do so if the data is considered to be too old. This
interval is configurable.

3. Use electrum's notification feature to get updated
with the latest blockheight.

Co-authored-by: Thomas Eizinger <thomas@eizinger.io>
Co-authored-by: Rishab Sharma <rishflab@hotmail.com>
2021-03-16 19:24:31 +11:00
Thomas Eizinger
e17cbadccb
Don't add signatures to transaction unless necessary
In order to compute the cancel TxID, we don't need to add the
signatures.
2021-03-16 19:22:47 +11:00
Thomas Eizinger
6beb732e35
Eliminate build_bitcoin_punish_transaction
We reduce indirection by constructing TxPunish directly based off
`State3` and make the type itself more powerful by moving the logic
of completing it with a signature onto it.
2021-03-16 19:21:15 +11:00
Daniel Karzel
d85c0ce57c Re-introduce punish test 2021-03-16 18:34:00 +11:00
Daniel Karzel
ea05c306e0 Alice spawns swaps outside the event loop
Instead of spawning the swap inside the event loop we send the swap back
to the caller to be spawned. This means we no longer need the remote handle
that was only used in the tests.
This now properly logs the swap results in production.
It also gives us more control over Alice's swap in the tests.
2021-03-16 18:31:46 +11:00
Thomas Eizinger
dd6c66a594
Move completing of Bitcoin redeem tx onto RedeemTx
This allows us to have access to RedeemTx from within the scope
of the state transition which we are going to need for more
efficient watching of what happens to this TX on the blockchain.
2021-03-16 17:11:31 +11:00
rishflab
21429f24b2
Inline wait_for_locked_bitcoin() that is only called once
Reduce indirection.
2021-03-16 17:11:31 +11:00
rishflab
6a3e4802f1
Remove redundant reference 2021-03-16 17:11:30 +11:00
rishflab
458a8d594a
Rename fn param to correctly reflect underlying type 2021-03-16 17:11:30 +11:00
rishflab
752e5be8f3
Cleanup test logging 2021-03-16 17:11:29 +11:00
Thomas Eizinger
2704245ed5
Fix monero refresh interval
The comparison should be the MAXIMUM of the two values, not the
minimum, otherwise we always refresh at an interval of 1 second.
2021-03-16 17:10:34 +11:00
bors[bot]
a02389f8bd
Merge #314
314: Remove CLI config file in favour of parameters r=thomaseizinger a=da-kami

Fixes #282 

The CLI has sensible default values for all parameters,
thus a config file is not really an advantage but just
keeps getting in our way, so re remove it.

Trait impls on `Data` needed for structopt, see https://docs.rs/structopt/0.3.21/structopt/#default-values

Co-authored-by: Daniel Karzel <daniel@comit.network>
2021-03-15 05:37:50 +00:00
bors[bot]
8505d76561
Merge #311
311: Add asb to release including ARM build r=da-kami a=da-kami

https://github.com/da-kami/xmr-btc-swap/releases/tag/0.3-test

The asb ARM build does neither run tests on CI not smoke test for the binary upon release because the there is no standard runner for ARM. One can configure a self-hosted one but I think that might be an overkill: https://docs.github.com/en/actions/hosting-your-own-runners/adding-self-hosted-runners

I did download the produced ARM tar, unpack and test on the raspi, it works :)

Concerning openssl depdency see:

https://github.com/da-kami/xmr-btc-swap/runs/2093523365?check_suite_focus=true
https://www.reddit.com/r/rust/comments/axaq9b/opensslsys_error_when_crosscompiling_for/


Co-authored-by: Daniel Karzel <daniel@comit.network>
2021-03-15 05:26:49 +00:00
Daniel Karzel
0091b6cdaf Remove CLI config file in favour of parameters
The CLI has sensible default values for all parameters,
thus a config file is not really an advantage but just
keeps getting in our way, so re remove it.
2021-03-15 15:41:46 +11:00
Daniel Karzel
442c377490 Remove openssl dependency
Upgrade tokio-tungstenite to 0.14 and use feature flag rustls-tls
to get rid of the openssl dependency.
2021-03-15 14:36:05 +11:00
Daniel Karzel
58c33f8468 Add asb to release including ARM build 2021-03-15 09:58:18 +11:00
rishflab
7cb198aea1 Remove pointless todo
The container is defined in the tests module indicating it is only
suitable for these tests
2021-03-12 12:52:23 +11:00
rishflab
9f534996ee Remove unused capability to configure bitcoind docker version tag
We only use one version of this container
2021-03-12 12:50:42 +11:00
rishflab
7b1d901ea0 Fix incorrectly formatted tag 2021-03-12 11:01:52 +11:00
bors[bot]
009597ac49
Merge #306
306: Fix logging and retrying of Monero transaction watching r=thomaseizinger a=thomaseizinger

Hopefully, this should also reduce the load because I am not asking the node every second.

Related: https://github.com/comit-network/xmr-btc-swap/issues/202

Co-authored-by: Thomas Eizinger <thomas@eizinger.io>
Co-authored-by: Daniel Karzel <daniel@comit.network>
2021-03-11 07:50:54 +00:00
Daniel Karzel
be52892e65
Monero wallet should not know about all execution params
Instead of passing all execution params in we only make the monero_avg_block_time known to the monero wallet.
2021-03-11 17:43:01 +11:00
Thomas Eizinger
82738b111e
Refactor monero::Wallet::watch_for_transfer to not use backoff
Instead, we use a regular loop and extract everything into a function
that can be independently tested.
`backoff` would be useful to retry the actual call to the node.
2021-03-11 17:42:54 +11:00
Thomas Eizinger
7e0c44ad1d
Add avg monero block time to execution params 2021-03-11 15:01:55 +11:00
Thomas Eizinger
d560e69203
Make durations more readable by using extension methods from time 2021-03-11 14:59:57 +11:00
Thomas Eizinger
ecff1d1cbe
Remove indirection of constants
We never use these constants anywhere else, inline them.
2021-03-11 14:57:47 +11:00
Thomas Eizinger
bac0f11898
Disable backoffs max_elapsed_time functionality
This config setting makes backoff stop retrying if we didn't get an
error within this timeframe.
For us, this results in backoff not actually doing anything.

The connection to kraken is very long-running. It might be active
for hours without failing. However, the default value for
`max_elapsed_time` is set to 15 minutes. As such, once the connection
fails any time after that, backoff doesn't actually retry the operation
but just gives up.

Fixes #303.
2021-03-11 13:33:46 +11:00
Thomas Eizinger
9ad2160c69
Refactor the kraken module to automatically re-connect on errors
In order to be able to re-connect on certain errors, we model
connection errors separately from parsing errors. We also change
the API of the whole module to no longer forward all errors to
the subscribers but instead, only update the subscribers with
either a latest rate or a permanent failure in case we exhausted
all our options to re-connect the websocket.

To model all of this properly, we introduce to sub-modules so that
each submodule can have their own `Error` type.

Resolves #297.
2021-03-09 17:37:37 +11:00
Thomas Eizinger
c560b3b21a
Introduce RateUpdate type alias to reduce duplication 2021-03-09 15:39:08 +11:00
Thomas Eizinger
fd5b38739a
Remove constant in favor of inlining string
This removes an import and simplifies the `connect_async` call.
2021-03-09 15:39:07 +11:00
Thomas Eizinger
142e5e2d3a
Use tracing macros by fully-qualifying them 2021-03-09 15:39:03 +11:00
bors[bot]
cc131ecf60
Merge #293
293: Some friday evening goodies r=thomaseizinger a=thomaseizinger



Co-authored-by: Thomas Eizinger <thomas@eizinger.io>
2021-03-08 22:53:58 +00:00
Thomas Eizinger
08923a14f3
Simplify GET request for block tip height 2021-03-05 17:06:17 +11:00
Thomas Eizinger
e9d7d9299c
Simplify the GET request to the tx status URL 2021-03-05 16:56:48 +11:00
Thomas Eizinger
418ad7089d
Make tests more readable by following arrange-act-assert 2021-03-05 16:56:48 +11:00
Thomas Eizinger
c2329b19a2
Tell the user more about the monero lock transaction
First, we tell the user that we are now waiting for Alice to lock
the monero. Additionally, we tell them once we received the
transfer proof which will lead directly into the
"waiting for confirmations" function.
2021-03-05 16:56:47 +11:00
Thomas Eizinger
13c4d29d40
Tell the user immediately how many confirmations we expect
Without this, the user doesn't see a message before the first
confirmation.
2021-03-05 16:56:47 +11:00
Thomas Eizinger
4883e23dd8
Tell the user for how many confirmations we are waiting
Without this, the user has no idea for how long the program is
waiting.
2021-03-05 16:56:47 +11:00
Thomas Eizinger
5d4cf40831
Fix comparison of Monero confirmations 2021-03-05 16:56:46 +11:00
rishflab
f92a8ac300 Improve CLI help comments and "type" hints
The type hints are generated from the field names. This has the
unfortunate consequence of the config field becoming file_path which
does not really make sense people working on the codebase.
2021-03-05 16:46:17 +11:00
Daniel Karzel
196557b377 Rename binary to swap 2021-03-05 16:14:21 +11:00
Daniel Karzel
f8b61e2e0e Make monero daemon host configurable 2021-03-05 16:10:45 +11:00
Daniel Karzel
f091402c7a Remove parameter duplication by introducing structs 2021-03-05 16:08:54 +11:00
Thomas Eizinger
c826a28911
Add context if we fail to compute extended private key 2021-03-05 15:49:16 +11:00
Thomas Eizinger
1aa6d177bf
Improve error messages when determining BTC amount to be swapped 2021-03-05 15:49:16 +11:00
Thomas Eizinger
4138039ea0
Make sure all error messages start with an uppercase letter
These might potentially be shown to a user, let's make them all
consistent.
2021-03-05 15:49:15 +11:00
Thomas Eizinger
816e8b9b96
Add more context to fallible functions inside bitcoin::Wallet 2021-03-05 15:49:15 +11:00
Thomas Eizinger
5c24a46298
Improve error message if stuff fails directly in main 2021-03-05 15:49:15 +11:00
Thomas Eizinger
37f97ac471
Shorten function name
The variable will always be at least called `wallet`, hence we can
omit the `_wallet` postfix from the function name.
2021-03-05 15:49:14 +11:00
Thomas Eizinger
4f66269887
Move error message on sync _into_ the function
The bitcoin::Wallet::sync_wallet function doesn't do anything else
other than delegating. As such, we have just as much information
about what went wrong inside this function as we have outside.

By moving the .context call into the function, we can avoid repeating
us on every call-site.
2021-03-05 15:49:14 +11:00
Thomas Eizinger
5953037b81
Don't repeat the module name within the type 2021-03-05 15:49:13 +11:00
Thomas Eizinger
87f928f56c
Move const to function where it is used 2021-03-05 15:49:13 +11:00
Thomas Eizinger
4642e6c0e3
Simplify arguments to init_XYZ_wallet functions
This makes the function calls fit onto one line.
2021-03-05 15:49:11 +11:00
Thomas Eizinger
d0db6cba10
Favour individual logs over one in main 2021-03-05 15:48:42 +11:00
bors[bot]
2041f367c6
Merge #288
288: Switch to public stagenet node that works r=rishflab a=rishflab

The xmr.to node has been unreliable lately. The exan.tech node seems to
working.

@da-kami is following up with making this configurable. Lets get this in so we can get a release on Friday.

Co-authored-by: rishflab <rishflab@hotmail.com>
2021-03-05 04:35:33 +00:00
rishflab
754159c9f8 Switch to public stagenet node that works
The xmr.to node has been unreliable lately. The exan.tech node seems to
working.
2021-03-05 15:11:32 +11:00
Thomas Eizinger
b178e95f95
Redo layout of eventloop module
1. Move internal types to the bottom and make them private
2. Sort public types by their importance
2021-03-05 14:02:24 +11:00
Thomas Eizinger
1822886cd0
Provide stronger isolation of kraken module
Instead of leaking the tokio::sync::Receiver type in our
return value, we create a newtype that implements the desired
interface. This allows us to get rid of the `RateService` structs
and instead implement `LatestRate` directly on top of this struct.

Given that `LatestRate` is only used within the event_loop module,
we move the definition of this type into there.
2021-03-05 13:56:25 +11:00
Thomas Eizinger
f6ed4d65b5
Properly deal with additional messages sent from kraken 2021-03-05 13:40:39 +11:00
Thomas Eizinger
7575d412b8
Add kraken_ticker CLI for local testing of the client 2021-03-05 13:39:42 +11:00
Thomas Eizinger
60d6d50246
Extract kraken websocket client into dedicated module 2021-03-05 13:37:51 +11:00
Thomas Eizinger
25c4639689
Prepare for next release 2021-03-05 11:43:44 +11:00
bors[bot]
20f2e56e2d
Merge #271
271: Bob can verify that the XMR lock tx was published r=da-kami a=da-kami

The Monero `txhash` log was removed. I feel the user should have the possibility to verify that the transaction was actually published so I added the tx-hash to the confirmation output. 

We could potentially print the tx-hash when receiving the transfer proof already, but that might not add much value compared to printing it with the confirmations. 

Additionally we should allow the user to at least know when the XMR can be expected in the user's wallet, otherwise the swap ends like this:

```
2021-03-04 13:49:19   INFO Monero lock tx received 5 out of 5 confirmations
```

This is just not very informative - yes, the final transaction is an implementation detail, but I don't think we should hide the transactions from the user. By printing the tx-hash for spending from the lock-tx into the user wallet we ensure the user knows that the XMR can now be expected in the user wallet. 

--- 

To add context, here the complete log (with debug enabled) **before** this change: 

```
2021-03-04 13:30:46  DEBUG Database and seed will be stored in /Users/dakami/Library/Application Support/xmr-btc-swap
2021-03-04 13:30:46  DEBUG Starting monero-wallet-rpc on port 56145
2021-03-04 13:30:51  DEBUG Requesting quote
2021-03-04 13:30:51   INFO Received quote: 1 XMR = 0.00433500 BTC
2021-03-04 13:30:51   INFO Still got 0.01018746 BTC left in wallet, swapping ...
2021-03-04 13:30:51   INFO Spot price for 0.00500000 BTC is 1.153402537485 XMR
2021-03-04 13:30:52  DEBUG Starting execution setup with 12D3KooWCdMKjesXMJz1SiZ7HgotrxuqhQJbP5sgBm2BwP1cqThi
2021-03-04 13:30:55   INFO Published Bitcoin 3a6690a962191529892318819fb20e7f1ac4625400e64ee734056a9b2a17ad8f transaction as lock
2021-03-04 13:41:13  DEBUG Received Transfer Proof from 12D3KooWCdMKjesXMJz1SiZ7HgotrxuqhQJbP5sgBm2BwP1cqThi
2021-03-04 13:42:11   INFO Monero lock tx received 1 out of 5 confirmations
2021-03-04 13:45:33   INFO Monero lock tx received 2 out of 5 confirmations
2021-03-04 13:47:49   INFO Monero lock tx received 3 out of 5 confirmations
2021-03-04 13:48:56   INFO Monero lock tx received 4 out of 5 confirmations
2021-03-04 13:49:19   INFO Monero lock tx received 5 out of 5 confirmations
2021-03-04 13:49:19  DEBUG Encrypted signature sent
2021-03-04 13:49:19  DEBUG Alice acknowledged encrypted signature
2021-03-04 13:49:19  DEBUG watching for tx: e5569d3f0bcccac95252dffaebe74ead0360c09b76bc762de890aaa0e51afbcf
2021-03-04 13:49:20  DEBUG Received protocol error "missing transaction" from Electrum, retrying...
2021-03-04 13:49:22  DEBUG Received protocol error "missing transaction" from Electrum, retrying...
```



Co-authored-by: Daniel Karzel <daniel@comit.network>
2021-03-04 06:24:59 +00:00
Daniel Karzel
47a31760c0 Bob can verify the Monero txs by tx-hash
Print tx-hashes for monero transactions to allow Bob to look the transaction up in block explorer.

The story of Bab:
Our famous actor Bob has a brother named Bab.
In school they were often mixed up, because their names were so similar.
Eventually Bab renamed himself into Barbara, but that was even more confusing for now he
carried a female name even though he was not female. Bob wanted to help his brother and told him he
could just go for Bub. But that did not solve anything. Fun fact: Bub is actually married to Alice.
2021-03-04 16:51:55 +11:00
Thomas Eizinger
14dcd150af
Extract determine_btc_to_swap function and test it
We also instantiate tracing in to order to quickly validate, what
the output for the different scenarios looks like.
2021-03-04 16:27:08 +11:00
Thomas Eizinger
601bf07255
Introduce quote protocol and display it to the user before they fund
Previously, the user neither knew the price nor the maximum quantity
they could trade. We now request a quote from the user and display
it to them.

Fixes #255.
2021-03-04 16:26:27 +11:00
Thomas Eizinger
3da01ea44a
Rename local variables according to new protocol name 2021-03-04 16:20:54 +11:00
Thomas Eizinger
ead5db3f45
Re-order fields to group them semantically 2021-03-04 16:20:51 +11:00
Thomas Eizinger
bc176bc4fb
Minor import optimizations 2021-03-04 14:48:28 +11:00
Thomas Eizinger
6d9b21cb47
Change imports_granularity to module
This reduces the overall amount of LoC that imports take up in our
codebase by almost 100.
It also makes merge-conflicts less likely because there is less
grouping together of imports that may lead to layout changes which
in turn can cause merge conflicts.
2021-03-04 14:48:13 +11:00
Thomas Eizinger
2c8200621d
Move pub use into pub use block 2021-03-04 14:47:47 +11:00
bors[bot]
d1363d130c
Merge #265
265: Replace quote with spot-price protocol r=thomaseizinger a=thomaseizinger

This is essentially functionally equivalent but includes some
cleanups by removing a layer of abstraction: `spot_price::Behaviour`
is now just a type-alias for a request-response behaviour.

Co-authored-by: Thomas Eizinger <thomas@eizinger.io>
2021-03-04 02:52:06 +00:00
Daniel Karzel
7504c6ceee Context for monero address parsing errors
Most of the errors are not user friendly, thus added context to tell the user the given address is incorrect.
2021-03-04 13:36:10 +11:00
Daniel Karzel
35d0e246d8 Monero address network check
Add a network check to ensure the given monero address is on the configured network.
2021-03-04 10:46:12 +11:00
bors[bot]
cba9f119b6
Merge #261
261: Sweep xmr funds from generated temp wallet r=da-kami a=da-kami

Fixes #252

Please review by commit :)
Did a few cleanups before actually doing the feature.

Please note the comment that influenced this solution: https://github.com/comit-network/xmr-btc-swap/issues/252#issuecomment-789387074



Co-authored-by: Daniel Karzel <daniel@comit.network>
2021-03-03 06:29:37 +00:00
Daniel Karzel
2e3c2d8edf Remove Arcs in favour of references 2021-03-03 17:23:07 +11:00
Daniel Karzel
5d807e9647 Reorder: Move utility functionality to bottom 2021-03-03 17:15:37 +11:00
Daniel Karzel
862c29f1a8 Reorder: Move sweep_all after transfer 2021-03-03 17:15:37 +11:00
Daniel Karzel
5a43b3453e Reorder: Move create after open 2021-03-03 17:15:37 +11:00
Daniel Karzel
b17e6cbd94 Reorder: Move open to top 2021-03-03 17:15:37 +11:00
Daniel Karzel
d63790c2a6 Remove unnecessary monero wallet trait abstractions 2021-03-03 17:15:37 +11:00
Daniel Karzel
1041212a60 Work in review comments 2021-03-03 17:15:37 +11:00
Daniel Karzel
66c8401c95 Sweep all from generated wallet to user wallet
The default implementation for the command was removed because it does not
add additional value if we have a mandatory parameter anyway.
2021-03-03 17:15:37 +11:00
Thomas Eizinger
7042ed9441
Replace quote with spot-price protocol
This is essentially functionally equivalent but includes some
cleanups by removing a layer of abstraction: `spot_price::Behaviour`
is now just a type-alias for a request-response behaviour.
2021-03-03 17:09:38 +11:00
Daniel Karzel
5111a12706 Wallet name constants for the e2e test setup
Container initialization and wallet initialization have to ensure to use the same wallet name.
In order to avoid problems constants are introduced to ensure we use the same wallet name.
2021-03-03 17:03:34 +11:00
Daniel Karzel
2bb1c1e177 No prefix for wallets in monero harness
Prefixing docker-containers and -networks is a necessity to be able to spin up multiple containers and networks.
However, there is no reason to prefix the wallet names that live inside a container. One cannot add a wallet with
the same name twice, so the prefixing of wallets does not bring any advantage. When re-opening a wallet by name
the wallet name prefix is cumbersome and was thus removed.
2021-03-03 17:03:34 +11:00
Daniel Karzel
9f53dab3c6 Harmonize names to make more sense
The wallet is an instance of a wallet that has a name.
When we use `CreateWalletForOutputThenReloadWallet` we actually unload the wallet.
It would be cleaner to create a new instance that does that swap, but I did not go that far.
2021-03-03 17:03:34 +11:00
Daniel Karzel
70494fcb4f Create means creating the current wallet 2021-03-03 17:03:34 +11:00
Daniel Karzel
5b798217bc Open means opening the current wallet 2021-03-03 17:03:33 +11:00
Thomas Eizinger
2440964385
Allow ASB to be configured with max BTC buy amount
This will make it easier to also configure the CLI to display an appropriate max amount the user has to deal with.
2021-03-03 16:56:34 +11:00
Thomas Eizinger
ce077a3ff5
Decouple Bob's EventLoop from the builder
Instead of instantiating the `EventLoop` within the builder, we only
pass in the necessary arguments (which is the `EventLoopHandle`) to
the Builder upon `new`.

This is work towards #255 which will require us to perform network
communication (which implies having the `EventLoop`) before starting
a swap.
2021-03-03 14:53:05 +11:00
Thomas Eizinger
54bc91581f
Don't unnecessarily create async blocks
If our expression directly evaluates to a future, we don't need to
create an async block.

This requires us to have `EventLoopRun::run` consume the instance
instead of just taking a mutable reference (otherwise we run into
lifetime issues). However, that is better anyway because `run` is
an endless loop so you never get to use the handle afterwards
anyway.
2021-03-03 14:53:05 +11:00
Thomas Eizinger
a4c25080b6
Merge network::Seed into crate::Seed
This allows us to unify the way we derive new secret key material
and simplify the usage of seed by only having a single one.
2021-03-03 14:53:01 +11:00
Thomas Eizinger
089ac0806e
Simplify constructor of Bob's EventLoop
We never customize the behaviour or transport. Might as well hide
those details in the implementation.
2021-03-03 14:08:56 +11:00
Daniel Karzel
1b167f3eb6 Cleanup swap initialization for Alice and Bob 2021-03-03 14:07:00 +11:00
bors[bot]
a8ebd4d16e
Merge #259
259: Upgrade bitcoin wallet to use BIP84 derivation scheme r=rishflab a=rishflab

Closes #258 

Co-authored-by: rishflab <rishflab@hotmail.com>
2021-03-03 01:53:16 +00:00
rishflab
a41b255dab Upgrade bitcoin wallet to use BIP84 derivation scheme
Explicitly specify the change descriptor because the behaviour when it
is not specified is unclear.
2021-03-03 12:12:10 +11:00
rishflab
bcdde021eb Add windows support to monero rpc installer 2021-03-02 15:09:12 +11:00
rishflab
27df9128be Bail if monero wallet rpc is not found in downloaded archive
Previously we were ignoring if the monero wallet rpc was not found and
unpacked from archive leading to a failure down the line when trying to
run a non-existent executable. Bail when the executable is no found in
the archive.
2021-03-02 15:09:12 +11:00
Thomas Eizinger
3ad9516188
Reduce logging when signing transactions
1. We can generalize the signing interface by passing a PSBT in
instead of the `TxLock` transaction.
2. Knowing the transaction ID of a transaction that we are about
to sign is not very useful. Instead, it is much more useful to know
what failed. Hence we add a `.context` to the call of `sign_and_finalize`.
3. In case the signing succeeds, we will immediately broadcast it
afterwards. The new broadcasting interface will tell us that we broadcasted
the "lock" transaction.
2021-03-02 12:53:40 +11:00
Thomas Eizinger
8c9b087e39
Unify logging of broadcasted transactions
We eliminate unnecessary layers of indirection for broadcasting logic
and force our callers to provide us with the `kind` of transaction
that we are publishing.

Eventually, we can replace this string with some type-system magic
we can derive the name from the actual transaction. For now, we just
require the caller to duplicate this information because it is faster
and good enough TM.
2021-03-02 12:51:22 +11:00
Thomas Eizinger
3a503bf95f
Shorten function name
This struct is a wallet. The only thing it can meaningfully broadcast
are transactions. The fact that they have to be signed for that is
implied. You cannot broadcast unsigned transactions.
2021-03-02 12:25:47 +11:00
Thomas Eizinger
45cff81ea5
Remove traits in favor of using the wallet struct directly
Abstracting over the individual bits of functionality of the wallet
does have its place, especially if one wants to keep a separation
of an abstract protocol library that other people can use with their
own wallets.

However, at the moment, the traits only cause unnecessary friction.
We can always add such abstraction layers again once we need them.
2021-03-02 12:22:23 +11:00
Thomas Eizinger
8c0df23647
Only show _log_ output if the user passes --debug
If the user doesn't pass `--debug`, we only show `INFO` logs but
without time and level to make it clearer that it is meant to be
read by the user.

Without `--debug`, the user sees:

 Still got 0.00009235 BTC left in wallet, swapping ...

With `--debug`, they see:

2021-03-01 12:21:07  DEBUG Database and seed will be stored in /home/thomas/.local/share/xmr-btc-swap
2021-03-01 12:21:07  DEBUG Starting monero-wallet-rpc on port 40779
2021-03-01 12:21:11   INFO Still got 0.00009235 BTC left in wallet, swapping ...
2021-03-01 12:21:11  DEBUG Dialing alice at 12D3KooWCdMKjesXMJz1SiZ7HgotrxuqhQJbP5sgBm2BwP1cqThi
2021-03-01 12:21:12  DEBUG Requesting quote for 0.00008795 BTC
2021-03-02 09:50:17 +11:00
Thomas Eizinger
cb4e2c041b
Rename opt to args 2021-03-02 09:50:17 +11:00
Thomas Eizinger
f4827e3fa4
Improve time formatting of log output
Previously, the time was formatted as ISO8601 timestamps which is
barely readable by humans. Activating the `chrono` feature allows
us to format with a different format string. The output now looks
like this:

2021-03-01 11:59:52  DEBUG Database and seed will be stored in /home/thomas/.local/share/xmr-btc-swap
2021-03-01 11:59:52  DEBUG Starting monero-wallet-rpc on port 40673
2021-03-01 11:59:59  DEBUG Still got 0.00009235 BTC left in wallet, swapping ...
2021-03-01 11:59:59  DEBUG Dialing alice at 12D3KooWCdMKjesXMJz1SiZ7HgotrxuqhQJbP5sgBm2BwP1cqThi
2021-03-01 11:59:59  DEBUG Requesting quote for 0.00008795 BTC

There is a double space after the time which is already fixed in
tracing-subscriber but not yet released.

See https://github.com/tokio-rs/tracing/issues/1271.
2021-03-02 09:50:16 +11:00
Thomas Eizinger
a82e82edd5
Tell the user about the monero-wallet-rpc download
Fixes #242.
2021-03-02 09:50:16 +11:00
Thomas Eizinger
06e3bccaa6
Don't print PeerId when requesting quote
Bob always just talks to one party, the PeerId is just noise.
2021-03-02 09:50:16 +11:00
Thomas Eizinger
cbef577e2d
Inform user that we are going to swap the remainder of the balance 2021-03-02 09:50:15 +11:00
Thomas Eizinger
b7c3524b4f
Abort the eventloop if the dialling fails 2021-03-02 09:50:14 +11:00
Thomas Eizinger
4e9e186462
Don't log things the user doesn't care about
The user configured neither a Bitcoin wallet backend nor the monero-wallet-rpc so let's not tell them about it.

Fixes #244.
2021-03-02 09:49:55 +11:00
Thomas Eizinger
6b74761e34
Remove tracing context
The swap_cli can only do one swap at a time, no need for the swap ID span.
2021-03-02 09:49:55 +11:00
Thomas Eizinger
3d2d447fba
Improve error message
YMMV but I think this sounds better.
2021-03-02 09:49:55 +11:00
Thomas Eizinger
bbbe5f7ae8
Demote / promote log messages to their appropriate level 2021-03-02 09:49:53 +11:00
Thomas Eizinger
7387884e6d
Move log messages to the appropriate abstraction layer
Log messages are ideally as close to the functionality they are talking about, otherwise we might end up repeating ourselves on several callsites or the log messages gets outdated if the behaviour changes.
2021-03-02 09:49:33 +11:00
Thomas Eizinger
b8df4a3145
Inline tracing configuration for swap_cli
This allows us to configure the presentation separately from the ASB.
2021-03-02 09:49:33 +11:00
Thomas Eizinger
a0e7c6ecf7
Don't Arc the AtomicU32
We never clone this type, there is no need to wrap it in an `Arc`.
2021-03-02 09:49:33 +11:00
Thomas Eizinger
40dcf0355a
Simplify Transfer::transfer return type
We never use the fee returned from this function, remove it.
2021-03-02 09:49:30 +11:00
bors[bot]
1de3fa486e
Merge #247
247: Calculate max_giveable based on spending script size r=da-kami a=thomaseizinger



Co-authored-by: Thomas Eizinger <thomas@eizinger.io>
2021-03-01 05:27:28 +00:00
Thomas Eizinger
9f0b1c5cbe
Calculate max_giveable based on spending script size 2021-03-01 15:35:45 +11:00
Daniel Karzel
8c40ee1da4 Change anyhow! to bail! in error scenarios 2021-03-01 14:24:44 +11:00
bors[bot]
7251588e79
Merge #233
233: ASB max sell amount r=thomaseizinger a=da-kami



Co-authored-by: Daniel Karzel <daniel@comit.network>
2021-03-01 01:47:34 +00:00