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@1hive/apps-time-lock

v2.0.0

Published

[![CircleCI](https://circleci.com/gh/1Hive/time-lock-app.svg?style=svg)](https://circleci.com/gh/1Hive/time-lock-app) [![Coverage Status](https://coveralls.io/repos/github/1Hive/lock-app/badge.svg?branch=master&service=github)](https://coveralls.io/github

Downloads

7

Readme

Time Lock

CircleCI Coverage Status Crytic Status

1Hive's Time Lock app allows an Aragon organization to require users to lock tokens by sending them to the Time Lock app for a configurable period of time in order to forward an intent. For example the organization may require users to lock 100 tokens for 1 month before creating a new vote. The user would be able to come back in a month and claim their locked tokens.

🐲 Project stage: development

The Time Lock app is still in development, a first implementation was published to time-lock.open.aragonpm.eth. If you are interested in contributing please see our open issues.

🚨 Security review status: Contracts updated as of commit 57d4d5eaef9f4ade3218527e8942bf17d588bcc3

The code in this repo has not been audited.

How does it work?

The Time Lock app is a forwarder. By granting the Time Lock app a permission like Create Votes the user will be prompted and required to lock tokens before the user's intent can be forwarded.

We keep track of when locks are made and by whom so that users are only able to re-claim locks that they have made after the duration has elapsed.

We recommend (but do not require) that the lock function is used with the Token Balance Oracle to restrict use of the application to members of the organization. This is how permissions are set up in our demo template. This allows the Oracle to check if the msg.sender of a proposal has tokens (and thus is a member of the DAO who's qualified to create proposals) before granting the canForward() functionality. This means that in order to submit a proposal one must lock tokens, and in order to lock tokens one must be a member of the DAO.

Initialization

The Time Lock app is initialized with a _token, _lockDuration, _lockAmount and _spamPenaltyFactor parameters which determines the token to be locked, how long tokens are locked, the amount of tokens to lock and a penalty percentage for spamming proposals. At initialization the _token parameter can be set to an ERC20 token. It cannot be changed. If a change is necessary the user can install a new instance and change permissions in the organization to reflect the change.

Roles

The Time Lock app implements the following roles:

  • Change Duration: This allows for changing the configured duration.
  • Change Lock Amount: This allows for changing the amount of tokens required to lock.
  • Change Spam Penalty: This allows for changing the spam penalty factor for subsequent locks.
  • Lock Tokens: This should be granted to Any Entity and paramaterized using the ACL Token Oracle or similar contract.

Interface

The Time Lock app provides an interface for a user to see any locks they have made, and how much time until they can re-claim the lock. It also shows the total unlocked balance they currently have for re-claim.

The Time Lock app does not provide an interface for changing the duration or lock amount. This can be done via the aragonCLI or directly interacting with the contract.

How to run Time Lock app locally

First make sure that you have node, npm, and the aragonCLI installed and working. Instructions on how to set that up can be found here. You'll also need to have Metamask or some kind of web wallet enabled to sign transactions in the browser.

Git clone this repo.

git clone https://github.com/1Hive/time-lock-app.git

Navigate into the time-lock-app directory.

cd time-lock-app

Install npm dependencies.

npm i

Deploy a dao with Time Lock app installed on your local environment.

npm run start:template

If everything is working correctly, your new DAO will be deployed and your browser will open http://localhost:3000/#/YOUR-DAO-ADDRESS. It should look something like this:

Newly deploy DAO with lock app

You will also see the configuration for your local deployment in the terminal. It should look something like this:

    Ethereum Node: ws://localhost:8545
    ENS registry: 0x5f6f7e8cc7346a11ca2def8f827b7a0b612c56a1
    APM registry: aragonpm.eth
    DAO address: YOUR-DAO-ADDRESS

Template

The Time Lock app is initialized with a _lockDuration of 1:30 minutes, a _lockAmount of 20 LKT tokens and a _spamPenaltyFactor of 100%. The app has the permission to create votes, so if you try to mint yourself some tokens from the tokens app it will first prompt you to approve the Time Lock app to transfer 20 LKT tokens to the contract on your behalf. Once the forwarding is performed you should be able to see the current lock and a timer indicating how much time until you can re-claim your 20 LKT tokens.

Re-claiming your tokens

Once your balance is unlocked you will be able to re-claim your tokens via the withdraw button. You will have to input how many locks you'll re-claim and they'll be withdrawn on a FIFO basis (first in first out)

Aragon DAO Installation

TODO: Deploy Time Lock to rinkeby

To deploy to an organization you can use the aragonCLI.

aragon dao install <dao-address> time-lock.open.aragonpm.eth --app-init-args <token-address> <lock-duration> <lock-amount>

You have to set up permissions depending on your requirements for users to lock tokens before forwarding an intent. So for example if you want to require users to lock tokens before creating votes you should grant the Time Lock app the role to create votes on the Voting app.

:warning: Currently the Time Lock app has to be the first forwarder in the transaction pathing in order to properly prompt you to perform an approve for the required amount of tokens

Contributing

We welcome community contributions!

Please check out our open Issues to get started.

If you discover something that could potentially impact security, please notify us immediately. The quickest way to reach us is via the #dev channel in our team Keybase chat. Just say hi and that you discovered a potential security vulnerability and we'll DM you to discuss details.