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Bitcoin–Monero Cross-chain Atomic Swap
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Merge #383 #385 #386 
383: Improve resilience of balance assertions r=thomaseizinger a=thomaseizinger

The final commit is the relevant patch!

It sits on top of several refactoring commits that happened while I was debugging why things didn't work as expected. Turned out to be reasonably useful so I just left them in :)

385: Bump anyhow from 1.0.39 to 1.0.40 r=thomaseizinger a=dependabot[bot]

Bumps [anyhow](https://github.com/dtolnay/anyhow) from 1.0.39 to 1.0.40.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/dtolnay/anyhow/releases">anyhow's releases</a>.</em></p>
<blockquote>
<h2>1.0.40</h2>
<ul>
<li>Reduce memory footprint of errors on Rust versions 1.51+ (<a href="https://github-redirect.dependabot.com/dtolnay/anyhow/issues/145">#145</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="704622f25d"><code>704622f</code></a> Release 1.0.40</li>
<li><a href="64ac0c00a9"><code>64ac0c0</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/dtolnay/anyhow/issues/145">#145</a> from dtolnay/addrof</li>
<li><a href="ef082670ea"><code>ef08267</code></a> Eliminate functionally duplicate vtable methods on rustc 1.51+</li>
<li><a href="1295b1fef9"><code>1295b1f</code></a> Add additional builds on 1.50 and 1.51 validating addr_of codepath</li>
<li><a href="be89adf403"><code>be89adf</code></a> Detect whether ptr::addr_of is supported by current compiler</li>
<li><a href="ac64560c42"><code>ac64560</code></a> Switch object_ref return from real ref to Ref ptr</li>
<li><a href="2987c9b59e"><code>2987c9b</code></a> Ignore redundant_else pedantic clippy lint</li>
<li><a href="827bb9d4c6"><code>827bb9d</code></a> Catch some warnings in addr_of-related codepaths</li>
<li><a href="ce0041866d"><code>ce00418</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/dtolnay/anyhow/issues/144">#144</a> from dtolnay/ptr</li>
<li><a href="3c32aa7dcd"><code>3c32aa7</code></a> Relax Sized bound on Own, Ref, Mut ptrs</li>
<li>Additional commits viewable in <a href="https://github.com/dtolnay/anyhow/compare/1.0.39...1.0.40">compare view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=anyhow&package-manager=cargo&previous-version=1.0.39&new-version=1.0.40)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

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386: Bump hyper from 0.14.4 to 0.14.5 r=thomaseizinger a=dependabot[bot]

Bumps [hyper](https://github.com/hyperium/hyper) from 0.14.4 to 0.14.5.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/hyperium/hyper/releases">hyper's releases</a>.</em></p>
<blockquote>
<h2>v0.14.5</h2>
<h2>Bug Fixes</h2>
<ul>
<li><strong>client:</strong> omit default port from automatic Host headers (<a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2441">#2441</a>) (<a href="0b11eee9bd">0b11eee9</a>)</li>
<li><strong>headers:</strong> Support multiple Content-Length values on same line (<a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2471">#2471</a>) (<a href="48fdaf1606">48fdaf16</a>, closes <a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2470">#2470</a>)</li>
<li><strong>server:</strong> skip automatic Content-Length headers when not allowed (<a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2216">#2216</a>) (<a href="8cbf9527df">8cbf9527</a>, closes <a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2215">#2215</a>)</li>
</ul>
<h2>Features</h2>
<ul>
<li><strong>client:</strong> allow HTTP/0.9 responses behind a flag (<a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2473">#2473</a>) (<a href="68d4e4a3db">68d4e4a3</a>, closes <a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2468">#2468</a>)</li>
<li><strong>server:</strong> add <code>AddrIncoming::from_listener</code> constructor (<a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2439">#2439</a>) (<a href="4c946af49c">4c946af4</a>)</li>
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<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/hyperium/hyper/blob/master/CHANGELOG.md">hyper's changelog</a>.</em></p>
<blockquote>
<h3>v0.14.5 (2021-03-26)</h3>
<h4>Bug Fixes</h4>
<ul>
<li><strong>client:</strong> omit default port from automatic Host headers (<a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2441">#2441</a>) (<a href="0b11eee9bd">0b11eee9</a>)</li>
<li><strong>headers:</strong> Support multiple Content-Length values on same line (<a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2471">#2471</a>) (<a href="48fdaf1606">48fdaf16</a>, closes <a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2470">#2470</a>)</li>
<li><strong>server:</strong> skip automatic Content-Length headers when not allowed (<a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2216">#2216</a>) (<a href="8cbf9527df">8cbf9527</a>, closes <a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2215">#2215</a>)</li>
</ul>
<h4>Features</h4>
<ul>
<li><strong>client:</strong> allow HTTP/0.9 responses behind a flag (<a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2473">#2473</a>) (<a href="68d4e4a3db">68d4e4a3</a>, closes <a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2468">#2468</a>)</li>
<li><strong>server:</strong> add <code>AddrIncoming::from_listener</code> constructor (<a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2439">#2439</a>) (<a href="4c946af49c">4c946af4</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="98e7e0bd15"><code>98e7e0b</code></a> v0.14.5</li>
<li><a href="895e4cf3fb"><code>895e4cf</code></a> refactor(ffi): return null ptr instead of aborting in C API (<a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2478">#2478</a>)</li>
<li><a href="68d4e4a3db"><code>68d4e4a</code></a> feat(client): allow HTTP/0.9 responses behind a flag (<a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2473">#2473</a>)</li>
<li><a href="51ed71b0a6"><code>51ed71b</code></a> docs(client): use Method::POST to match the example in <a href="https://hyper.rs/guide">https://hyper.rs/guide</a>...</li>
<li><a href="41f99578a5"><code>41f9957</code></a> refactor(dependencies): update to socket2 v0.4.0 (<a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2472">#2472</a>)</li>
<li><a href="48fdaf1606"><code>48fdaf1</code></a> fix(headers): Support multiple Content-Length values on same line (<a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2471">#2471</a>)</li>
<li><a href="eb0e718696"><code>eb0e718</code></a> docs(body): add links to to_bytes and aggregate (<a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2464">#2464</a>)</li>
<li><a href="297a068454"><code>297a068</code></a> docs(examples): upgrade tokio version (<a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2456">#2456</a>)</li>
<li><a href="34085afef6"><code>34085af</code></a> docs(examples): use hyper v0.14 and full feature (<a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2451">#2451</a>)</li>
<li><a href="8cbf9527df"><code>8cbf952</code></a> fix(server): skip automatic Content-Length headers when not allowed (<a href="https://github-redirect.dependabot.com/hyperium/hyper/issues/2216">#2216</a>)</li>
<li>Additional commits viewable in <a href="https://github.com/hyperium/hyper/compare/v0.14.4...v0.14.5">compare view</a></li>
</ul>
</details>
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[![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=hyper&package-manager=cargo&previous-version=0.14.4&new-version=0.14.5)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

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Co-authored-by: Thomas Eizinger <thomas@eizinger.io>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
2021-03-29 22:31:43 +00:00
.cargo .cargo/config.toml for specifying linker 2021-03-15 14:36:05 +11:00
.github Refactor recursive function to loop 2021-03-29 12:15:48 +11:00
docs/asb Document the setup of the ASB 2021-03-29 11:04:56 +11:00
monero-harness Inline tracing initialization 2021-03-29 12:15:51 +11:00
monero-rpc Merge #383 #385 #386 2021-03-29 22:31:43 +00:00
swap Merge #383 #385 #386 2021-03-29 22:31:43 +00:00
tokio-tar Enforce consistent formatting of Markdown files 2021-03-25 11:11:57 +11:00
.dprintrc.json Enforce consistent formatting of Markdown files 2021-03-25 11:11:57 +11:00
.gitignore Push cargo lock to git as we are building a binary 2020-12-01 09:31:41 +11:00
bors.toml Simplify matrix for test job 2021-03-25 15:19:08 +11:00
Cargo.lock Merge #383 #385 #386 2021-03-29 22:31:43 +00:00
Cargo.toml Split monero-harness into harness and rpc 2021-02-23 14:30:20 +11:00
CHANGELOG.md Use language agnostic heuristic to check if monero_wallet_rpc is ready 2021-03-25 18:13:06 +11:00
LICENSE Change license to GPLv3 2020-10-12 17:13:25 +11:00
README.md Document the setup of the ASB 2021-03-29 11:04:56 +11:00
rust-toolchain Add asb to release including ARM build 2021-03-15 09:58:18 +11:00
rustfmt.toml Change imports_granularity to module 2021-03-04 14:48:13 +11:00

README.md

XMR to BTC Atomic Swap

This repository hosts an MVP for atomically swapping BTC to XMR. It implements the protocol described in section 3 of this paper.

More information about the protocol in this presentation and this blog post.

Quick start - CLI

  1. Download the latest swap binary release for your operating system
  2. Run the binary: ./swap buy-xmr --receive-address <YOUR MONERO ADDRESS>
  3. Follow the instructions printed to the terminal

Limitations

For now, the MVP is limited to testnet3 on Bitcoin and stagenet on Monero.

How it works

This repository primarily hosts two components:

swap CLI

The swap CLI acts in the role of Bob and swaps BTC for XMR. See ./swap --help for a description of all commands. The main command is buy-xmr which automatically connects to an instance of asb.

asb service

asb is short for automated swap backend (we are open to suggestions for better names!). The service acts as the counter-party for the swap CLI in the role of Alice. It provides the CLI with a quote and the liquidity necessary for swapping BTC into XMR.

For details on how to run the ASB please refer to the ASB docs.

Contact

Feel free to reach out to us in the COMIT-Monero Matrix channel.