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https://github.com/citycoins/contracts

CityCoins give communities the power to improve and program their cities.
https://github.com/citycoins/contracts

Last synced: 3 months ago
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CityCoins give communities the power to improve and program their cities.

Host: GitHub
URL: https://github.com/citycoins/contracts
Owner: citycoins
License: gpl-3.0
Fork: true (jcnelson/poxl)
Created: 2021-04-30T14:19:04.000Z (about 3 years ago)
Default Branch: develop
Last Pushed: 2023-03-29T20:50:03.000Z (over 1 year ago)
Last Synced: 2024-04-07T08:56:26.500Z (3 months ago)
Language: Clarity
Homepage: https://citycoins.co
Size: 1.66 MB
Stars: 71
Watchers: 9
Forks: 22
Open Issues: 2
Metadata Files:
- Readme: README.md
- License: LICENSE
- Audit: audit/coinfabrik-citycoins-audit-v1.0.0-developer-responses.pdf

Lists

awesome-stacks-chain - CityCoin - An implementation of PoX lite using STX transfers to mint new coins using proportional probabilities. (Clarity Resources / Contracts)

README

        # CityCoins 

[![Contract Tests](https://github.com/citycoins/citycoin/actions/workflows/test-contract.yaml/badge.svg)](https://github.com/citycoins/citycoin/actions/workflows/test-contract.yaml) [![codecov.io](https://codecov.io/github/citycoins/citycoin/coverage.svg?branch=main)](https://codecov.io/github/citycoins/citycoin?branch=main) [![Discord Chat](https://img.shields.io/discord/856920147381190717?label=Discord)](https://discord.com/invite/tANUVBz9bk)

## Introduction 

CityCoins give communities the power to improve and program their cities.

- [Contributing](#contributing)

- [Testing](#testing)

- [Definitions, Resources, and Links](#definitions-resources-and-links)

  - [CityCoins v1.0.0 Audit](#citycoins-v100-audit)

  - [CityCoins Resources](#citycoins-resources)

  - [Additional Resources](#additional-resources)

- [References](#references)

## Contributing

PRs are welcome! Please see the [open issues](https://github.com/citycoins/citycoin/issues) and comment if interested, or submit a PR for review.

**Note:** All PRs should be opened against the `develop` branch!

All code submitted should be thoroughly commented and tested where applicable.

## Testing

Contracts are tested via [clarinet](https://github.com/hirosystems/clarinet) using a custom typescript implementation.

To test the contract using `clarinet`, first [install the tool](https://github.com/hirosystems/clarinet#installation) to make it available on your system.

After installation, the standard clarinet commands can be used against the root directory, e.g. `clarinet console`.

Several commands are also available to help with testing via `npm`:

- to run all tests:

  - `npm test`

  - `npm run test`

- to run individual tests for cities:

  - `npm run test:mia`

  - `npm run test:nyc`

- to run individual tests by type:

  - `npm run test:cities`

  - `npm run test:base`

  - `npm run test:misc`

- to run more specific tests:

  - `npm run test:mia:auth`

  - `npm run test:nyc:core`

  - `npm run test:base:token`

  - `npm run test:misc:tardis`

  - `npm run test:misc:utils`

  - `npm run test:misc:vote`

- to run specific clarinet functions

  - `npm run clarinet:check`

  - `npm run clarinet:codecov`

  - `npm run clarinet:costs`

  - `npm run console`, `npm run clarinet:console`

## Definitions, Resources, and Links

### CityCoins v1.0.0 Audit

CoinFabrik [completed an audit on v1.0.0 of the protocol](https://blog.coinfabrik.com/smart-contract-en/citycoins-audit/) on March 14, 2022.

The [resulting audit report](./audit/coinfabrik-citycoins-audit-v1.0.0.pdf) is available in this repo, as well as the [CityCoins developer responses](./audit/coinfabrik-citycoins-audit-v1.0.0-developer-responses.pdf).

### CityCoins Resources

- [CityCoins Website](https://citycoins.co)

- [CityCoins API](https://api.citycoins.co/docs)

- [CityCoins Documentation](https://docs.citycoins.co)

- [CityCoins Discord](https://chat.citycoins.co)

- [CityCoins Twitter](https://twitter.com/mineCityCoins)

### Additional Resources

Some quick definitions and additional resources related to the technology behind the project.

- [Stacks Blockchain:](https://stacks.co) Stacks makes Bitcoin programmable, enabling decentralized apps and smart contracts that inherit all of Bitcoin’s powers.

- [Proof of Transfer (PoX):](https://hackernoon.com/wtf-is-proof-of-transfer-and-why-should-anyone-care-wd2330p9) The consensus mechanism for the Stacks blockchain, which the CityCoins protocol is based on.

- [Clarity Language:](https://clarity-lang.org/) A smart contract language developed by Blockstack (now [Hiro](https://hiro.so)) and Algorand, designed to be more safe, secure, and predictable.

- [Smart Contract:](https://en.wikipedia.org/wiki/Smart_contract) A computer program or a transaction protocol which is intended to automatically execute, control or document legally relevant events and actions according to the terms of a contract or an agreement.

- [Fungible Token:](https://github.com/stacksgov/sips/blob/hstove-feat/sip-10-ft/sips/sip-010/sip-010-fungible-token-standard.md) Digital assets that can be sent, received, combined, and divided.

## References

- [Stacks 2.0 Whitepaper](https://gaia.blockstack.org/hub/1AxyPunHHAHiEffXWESKfbvmBpGQv138Fp/stacks.pdf)

- [Clarity Language Reference](https://docs.stacks.co/write-smart-contracts/language-overview)

- [Clarity Function Reference](https://docs.stacks.co/write-smart-contracts/language-functions)

- [Build apps with Stacks](https://docs.stacks.co/build-apps/overview)