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Bitcoin–Monero Cross-chain Atomic Swap
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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
.cargo .cargo/config.toml for specifying linker 2021-03-15 14:36:05 +11:00
.github/workflows .cargo/config.toml for specifying linker 2021-03-15 14:36:05 +11:00
monero-harness No prefix for wallets in monero harness 2021-03-03 17:03:34 +11:00
monero-rpc Remove unused field 2021-03-11 15:34:27 +11:00
swap Introduce Watchable abstraction for Bitcoin wallet 2021-03-16 19:24:32 +11:00
tokio-tar Download and run monero wallet rpc on swap cli startup 2021-02-25 11:21:41 +11:00
.gitignore Push cargo lock to git as we are building a binary 2020-12-01 09:31:41 +11:00
bors.toml Update bors config 2021-03-15 16:11:35 +11:00
Cargo.lock Merge #313 2021-03-15 06:01:09 +00:00
Cargo.toml Split monero-harness into harness and rpc 2021-02-23 14:30:20 +11:00
LICENSE Change license to GPLv3 2020-10-12 17:13:25 +11:00
README.md Fixup backticks in README 2021-03-10 14:55:36 +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 this paper.

Quick start

  1. Download the latest release for your operation 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:

  • the swap CLI
  • the asb service

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.

Contact

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