💻   PoolTogether Client Library || PoolTogether V4

Application | Contracts | Documentation | Draw Calculator | Utility Library | Static Cache

🏆   Overview

This library includes a simplified interface for interacting with a v4 PoolTogether deployment. Create an instance of PrizePoolNetwork and use the initialized PrizePool and PrizeDistributor to begin reading and writing data to the protocol.

There are several classes that provide interfaces to the different aspects of the V4 PoolTogether protocol. PrizePoolNetwork is the main entry point.

• PrizePoolNetwork
• PrizePool
• User
• PrizeDistributor
• DrawCalculatorApi
• ContractFactory

💾   Installation

This project is available as an NPM package:

npm install @leap-network/v4-client-js

or

yarn add @leap-network/v4-client-js

The repo can be cloned from Github for contributions.

git clone https://github.com/pooltogether/v4-client-js.git

🏎️   Quickstart

PrizePoolNetwork

A PrizePoolNetwork is a collection of PrizePool and PrizeDistributor across several chains that make up a v4 deployment.

To create an instance of PrizePoolNetwork you will need:

• A Contract List containing all of the relevant contracts for a v4 prize pool. You can obtain this by generating your own after deploying a v4 Prize Pool (start here). Or by importing a copy of our current deployments v4-pool-data.
• Ethers providers for every chain that a Prize Pool is deployed on.

import { PrizePoolNetwork } from '@leap-network/v4-client-js'
import { mainnet } from '@leap-network/v4-pool-data'

const PrizePoolNetwork = new PrizePoolNetwork(providers, mainnet)

PrizePool

A PrizePool is a representation of a Prize Pool deployment. The Prize Pool is responsible for managing deposits, withdrawals & delegation. PrizePool is a read only object, for write capabilities check out User

const prizePool = PrizePoolNetwork.getPrizePool(1, '0xabc123')

User

A User is wrapper around PrizePool with the ability to send transactions to manage deposits, withdrawals and delegation.

const user = new User(prizePool.prizePoolMetadata, signer, prizePool)

PrizeDistributor

A PrizeDistributor is what handles prizes. It is used to determine the current draw, check for prizes & claiming prizes. For write capabilities, pass a Signer when creating an instance.

const prizeDistributor = PrizePoolNetwork.getPrizeDistributor(1, '0xabc123')

const prizeDistributor = PrizePoolNetwork.getPrizeDistributor(1, '0xabc123')
const signer = provider.getSigner()
const signerPrizeDistributor = new PrizeDistributor(
  prizeDistributor.prizeDistributorMetadata,
  signer,
  prizeDistributor.contractMetadataList
)

🧮   Examples

Get token data for a Prize Pool

const tokenData = await prizePool.getTokenData() // Underlying token (ex. USDC)
const ticketData = await prizePool.getTicketData() // Ticket token

Get a users deposit token & ticket balances

const usersBalances: {
  chainId: number,
  address: string,
  balances: PrizePoolTokenBalances
}[] = await PrizePoolNetwork.getUsersPrizePoolBalances(usersAddress)

Get a users deposit token & ticket balance

const balance: PrizePoolTokenBalances = await prizePool.getUsersPrizePoolBalances(usersAddress)

Approve deposits

NOTE: Make sure you're shifting by the proper decimal amount

const txResponse: TransactionResponse = await user.approveDeposits(
  ethers.utils.parseUnits(10, decimals)
)

Deposit and delegate tokens

NOTE: Make sure you're shifting by the proper decimal amount

const txResponse: TransactionResponse = await user.depositAndDelegate(
  ethers.utils.parseUnits(10, decimals)
)

Deposit tokens

NOTE: Make sure you're shifting by the proper decimal amount

const txResponse: TransactionResponse = await user.deposit(ethers.utils.parseUnits(10, decimals))

Withdraw tokens

NOTE: Make sure you're shifting by the proper decimal amount

const txResponse: TransactionResponse = await user.withdraw(ethers.utils.parseUnits(10, decimals))

Get valid draw ids

Valid draw ids are draw ids that have all of the relevant data pushed to their respective chain & are not expired.

const drawIds = await prizeDistributor.getValidDrawIds()

Get a users prizes

const drawResults = await PrizeApi.getUsersDrawResultsByDraw(
  chainId,
  usersAddress,
  prizeDistributorAddress,
  drawId,
  maxPicksPerUser
)

Claim a users prizes

NOTE: Ensure the PrizeDistributor was initialized with a Signer

const txResponse: TransactionResponse = await prizeDistributor.claimPrizesByDraw(1)

💻   Developer Experience

Contributing

Create an Issue to request new features.

Open Pull Request adhering to Contribution guidelines.

The package is setup using the TSDX zero-config CLI which includes:

• Typescript
• Rollup
• Jest
• Prettier
• ESLint

Minor changes have been made to extend the default configuration.

ESLint

The TSDX linting configuration is overwritten to include override(s)* for:

• Import/Order (used to enforce consistent module import ordering)

*The ESLint overrides may incorrectly be interpreted by VSCode since the nested config file is ignored in the IDE

Porting docs to PoolTogether V4 Docs

1. yarn docs
2. Copy & paste

• classes to Classes
• interfaces to Interfaces
• README.md below header to index.md

3. Replace all .md with `` (nothing) in links
4. Replace all README links to ./ and ../README to ../