# iExec PoCo Smart Contracts

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## Introduction

This repository contains the smart contract implementation of iExec's Proof of Contribution protocol.

### Related articles

-   [PoCo Series #1 — About Trust and Agents Incentives](https://medium.com/iex-ec/about-trust-and-agents-incentives-4651c138974c)
-   [PoCo Series #2 — On the use of staking to prevent attacks](https://medium.com/iex-ec/poco-series-2-on-the-use-of-staking-to-prevent-attacks-2a5c700558bd)
-   [PoCo Series #3 — PoCo protocol update](https://medium.com/iex-ec/poco-series-3-poco-protocole-update-a2c8f8f30126)
-   [PoCo Series #4 — Enclaves and Trusted Executions](https://medium.com/iex-ec/poco-series-4-sgx-enclaves-and-trusted-executions-6f2ebed8d4fa)
-   [PoCo Series #5 — Open decentralized brokering on the iExec platform](https://medium.com/iex-ec/poco-series-5-open-decentralized-brokering-on-the-iexec-platform-67b266e330d8)
-   [PoCo Series #6 — Smart Contract Upgradeability and Governance](https://medium.com/iex-ec/poco-series-6-smart-contract-upgradeability-and-governance-68d2cdecd120)
-   [PoCo Series #8 — Future-proofing iExec - Smart Contract Interoperability and Modularity](https://medium.com/iex-ec/poco-series-8-future-proofing-iexec-smart-contract-interoperability-and-modularity-37a3d3613f11)
-   [iExec PoCo v6 — Building the diamond foundation](https://www.iex.ec/news/iexec-poco-v6-building-the-diamond-foundation)

## Documentation

-   [iExec technical documentation](https://docs.iex.ec/)
-   [Protocol specific documentation](https://docs.iex.ec/protocol/proof-of-contribution)
-   [Solidity contracts API](./docs/README.md#solidity-contracts-api)
-   [Technical README](./docs/README.md)

## Resources

-   **NPM Package**: [@iexec/poco](https://www.npmjs.com/package/@iexec/poco) includes all smart contract source code, ABIs, and deployment artifacts.
-   **ABIs**: available in the `abis/` directory of this repository and the published NPM package.<br>
    Note: ⚠️ `artifacts/` folder is deprecated and will be removed in future versions.
-   **Deployment addresses**: available in the `deployments/` folder of this repository and the published NPM package.
-   **Subgraph**: the Subgraph indexing Arbitrum deployments is available on [The Graph Explorer](https://thegraph.com/explorer/):
    -   [Arbitrum Mainnet](https://thegraph.com/explorer/subgraphs/B1comLe9SANBLrjdnoNTJSubbeC7cY7EoNu6zD82HeKy?view=Query&chain=arbitrum-one)
    -   [Arbitrum Sepolia Testnet](https://thegraph.com/explorer/subgraphs/2GCj8gzLCihsiEDq8cYvC5nUgK6VfwZ6hm3Wj8A3kcxz?view=Query&chain=arbitrum-one)

## Audits

All contract audit files can be found in [audits/](./audits/) folder.