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Cross-Contract (#40)
* refactor: Remove truffle dependencies and change testing suite to hardhat Signed-off-by: Ilja von Hoessle <ilja@perun.network> * chore: Add tsconfig.json, update ci.yml Signed-off-by: Ilja von Hoessle <ilja@perun.network> * add (WIP): Extend State and Params structs to support cross-chain Payment Channels Signed-off-by: Ilja von Hoessle <ilja@perun.network> * feat: Multiple channelIDs per state. Signed-off-by: Sophia Koehler <sophia@perun.network> * refactor: Remove logs, refactor to conform with mixedCase. Signed-off-by: Sophia Koehler <sophia@perun.network> * chore: update solidity and abiencoder feat(adjudicator, assetholder): optimize gas usage feat: remove safemath usage, over- and underflows are checked automatically since solidity 0.8.0 fix(test): remove pubkey from participant Signed-off-by: Sophia Koehler <sophia@perun.network> * chore: Add maintainers file Signed-off-by: Sophia Koehler <sophia@perun.network> * fix(workflow): Add dependencies to package.json and install python Signed-off-by: Sophia Koehler <sophia@perun.network> * fix(workflow): fix python version to prevent error with pysha3 Signed-off-by: Sophia Koehler <sophia@perun.network> * fix(workflow): fix python version to prevent error with pysha3 Signed-off-by: Sophia Koehler <sophia@perun.network> * fix(workflow): update slither-analyzer Signed-off-by: Sophia Koehler <sophia@perun.network> * fix: change owner & adjudicator address to immutable Signed-off-by: Sophia Koehler <sophia@perun.network> * Remove channel id array (#1) * feat(.sol): Change channelID array to singular channelID and remove unnecessary functions Signed-off-by: Sophia Koehler <sophia@perun.network> * fix(Assetholder): Remove immutable flag fix(ci.yaml): Add immutable-state to slither exclusion Signed-off-by: Sophia Koehler <sophia@perun.network> --------- Signed-off-by: Sophia Koehler <sophia@perun.network> * chore: Update license fields Signed-off-by: Sophia Koehler <sophia@perun.network> * fix: update scripts to use hardhat and update README Signed-off-by: Sophia Koehler <sophia@perun.network> * chore: added changelog, updated notice and readme Signed-off-by: Sophia Koehler <sophia@perun.network> * chore: rewrite changelog Signed-off-by: Sophia Koehler <sophia@perun.network> * chore: rewrite changelog Signed-off-by: Sophia Koehler <sophia@perun.network> * chore: update license Signed-off-by: Sophia Koehler <sophia@perun.network> --------- Signed-off-by: Ilja von Hoessle <ilja@perun.network> Signed-off-by: Sophia Koehler <sophia@perun.network> Co-authored-by: Ilja von Hoessle <ilja@perun.network>
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‎.github/workflows/ci.yml

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- name: Install npm
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uses: actions/setup-node@v2
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with:
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node-version: '16'
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node-version: '18'
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- name: Install dependencies
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run: yarn
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- name: Lint
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run: npx solhint 'contracts/**/*.sol'
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- name: Build
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run: yarn build
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- name: Compile
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run: npx hardhat compile
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- name: Static analysis
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run: |
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pip3 install slither-analyzer==0.8.3
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slither --exclude solc-version,timestamp,boolean-equality,unimplemented-functions,locked-ether --filter-paths vendor/ .
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pip3 install slither-analyzer==0.10.4
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slither --exclude solc-version,timestamp,boolean-equality,unimplemented-functions,locked-ether,immutable-states --filter-paths vendor/ .
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# Alternatively, one can use Docker:
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# WORKDIR=/share docker run --rm -v $(pwd):$WORKDIR -w $WORKDIR --entrypoint slither trailofbits/eth-security-toolbox [insert slither parameters here]
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- name: Test
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run: yarn test
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run: npx hardhat test
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- name: Test coverage
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run: npx truffle run coverage
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- name: Upload coverage
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uses: codecov/codecov-action@v1
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with:
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fail_ci_if_error: true # optional (default = false)
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verbose: true # optional (default = false)

‎CHANGELOG.md

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# Changelog
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All notable changes to this project will be documented in this file.
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## [1.0.0] Rubicon - 2025-04-01 [:boom:]
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### Added
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* Multi-ledger functionality to support multiple EVM chains [#29]
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* Support for non-EVM cross-chain channels [#40]
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* Optimization (change channelID array to singular channelID) [#41]
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[#29]:(https://github.com/hyperledger-labs/perun-eth-contracts/pull/29)
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[#40]:(https://github.com/hyperledger-labs/perun-eth-contracts/pull/40)
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[#41]:(https://github.com/hyperledger-labs/perun-eth-contracts/pull/41)
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## Legend
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- <span id="breaking">:boom:</span> This is a breaking change, e.g., it changes the external API.
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[:boom:]: #breaking

‎MAINTAINERS.md

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# Maintainers
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## Active Maintainers
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| Name | Github | [Discord][_chat_url] |
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|-------------------|----------------------------------------------------|----------------|
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| Hendrik Amler | [@tinnendo](https://github.com/tinnendo) | hendrik#5345 |
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| Jan Bormet | [@janbormet](https://github.com/janbormet) | _.pants |
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| Ilja von Hoessle | [@iljabvh](https://github.com/iljabvh) | iljabvh |
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| Sophia Koehler | [@sophia1ch](https://github.com/sophia1ch) | sophia#3072 |
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| Philipp-Florens Lehwalder | [@cryptphil](https://github.com/cryptphil) | cryptphil |
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| Steffen Rattay | [@rmbrt](https://github.com/rmbrt) | rmbrt |
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| Minh Huy Tran | [@NhoxxKienn](https://github.com/NhoxxKienn) | NhoxxKienn |
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| Jens Winkle | [@DragonDev1906](https://github.com/DragonDev1906) | jens#4601 |
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## Emeritus Maintainers
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| Name | GitHub | [Discord][_chat_url] |
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|-------------------|-----------|----------------------|
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| Matthias Geihs | [@matthiasgeihs](https://github.com/matthiasgeihs) | mpn#9737 |
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| Sebastian Stammler | [@sebastianst](https://github.com/sebastianst) | |
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| Oliver Tale-Yazdi | [@ggwpez](https://github.com/ggwpez) | |
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[_chat_url]: https://discord.com/channels/817445017680609340/834052993258225715

‎NOTICE

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# Please keep the list in alphabetical order.
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Chair of Applied Cryptography, Technische Universität Darmstadt, Germany
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Jan Bormet <jan.bormet@bormet.info>
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Matthias Geihs <matthias@perun.network>
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Philipp-Florens Lehwalder <philipp@perun.network>
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Sebastian Stammler <seb@perun.network>
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Oliver Tale-Yazdi <oliver@perun.network>
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Marius van der Wijden <marius@perun.network>
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PolyCrypt GmbH
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Jan Bormet <jan.bormet@bormet.info>
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Matthias Geihs <matthias@perun.network>
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Ilja von Hoessle <ilja@perun.network>
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Sophia Koehler <sophia@perun.network>
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Philipp-Florens Lehwalder <philipp@perun.network>
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Sebastian Stammler <seb@perun.network>
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Oliver Tale-Yazdi <oliver@perun.network>
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Marius van der Wijden <marius@perun.network>
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Jens Winkle <jens@perun.network>

‎README.md

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</p>
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This repository contains the Ethereum smart contracts for [go-perun](https://github.com/hyperledger-labs/go-perun)'s Ethereum backend.
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Additionally, it allows cross-chain swaps with the Stellar blockchain. It supports our [Soroban Contract](https://github.com/perun-network/perun-soroban-contract), utilizing EVM-compatible cryptography and encoding. Channel participants can have multiple addresses in the channel.
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## Security Disclaimer
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The smart contracts presented in this directory are under active development and are not ready for production use.
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## Testing
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The repository must be cloned recursively including [submodules](https://git-scm.com/book/en/v2/Git-Tools-Submodules).
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[Yarn](https://yarnpkg.com) is expected to be installed globally.
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[Yarn](https://yarnpkg.com) and [Hardhat](https://hardhat.org/hardhat-runner/docs/getting-started) are expected to be installed globally.
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To run the tests, run
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```sh
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$ yarn
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```
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## Copyright
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Copyright 2021 - See [NOTICE](NOTICE) file for copyright holders.
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Copyright 2025 - See [NOTICE](NOTICE) file for copyright holders.
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Use of the source code is governed by the Apache 2.0 license that can be found in the [LICENSE file](LICENSE).
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Contact us at [info@perun.network](mailto:info@perun.network).

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