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keeplottery's Introduction

KeepLottery

Configuration

The following environment variables should be set before deploying to Ropsten:

  • CONTRACT_OWNER_ETH_ACCOUNT_PRIVATE_KEY -> Private key of the contract owner
  • INFURA_ENDPOINT -> Ropsten Infura Endpoint

Deploy to Ropsten

truffle migrate --network ropsten

Setup

1. Deposit ETH in Lottery contract

ETH must be deposited in the Lottery contract so it can pay for the Keep Random Beacon. The owner can withdraw this at anytime using withdraw()

let lotteryInstance = await Lottery.deployed()
web3.eth.sendTransaction({value: web3.utils.toWei('10'), to: lotteryInstance.address, from: accounts[0]})

2. Deposit and set reward token allowance in Owner wallet

The owner must have some of the reward token in their wallet before issuing rewards. The owner must also give an allowance to the Lottery contract to grant permission to transfer tokens.

let lotteryInstance = await Lottery.deployed()
let erc20Mock = await ERC20Mock.deployed() // Replace with ERC20 reward token

await erc20Mock.mockMint(accounts[0], 10000);
await erc20Mock.approve(lotteryInstance.address, 10000)

Usage

View Outstanding Ticket Balance

let lotteryInstance = await Lottery.deployed()
let ticketInstance = await MintableTicket.deployed()

let ticketType = await lotteryInstance.getNextDrawTicketType()

let numTickets = await ticketInstance.maxIndex(ticketType)
numTickets.toString()

keeplottery's People

Contributors

codynhat avatar dependabot[bot] avatar sjdthree avatar

Watchers

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keeplottery's Issues

dependabot security issue

Was found sunday 10/25.

cut and pasted below:

====================

1 node-fetch vulnerability found in package-lock.json 12 hours ago
Remediation
Upgrade node-fetch to version 2.6.1 or later. For example:

"dependencies": {
"node-fetch": ">=2.6.1"
}
or…
"devDependencies": {
"node-fetch": ">=2.6.1"
}
Always verify the validity and compatibility of suggestions with your codebase.

Details
GHSA-w7rc-rwvf-8q5r
low severity
Vulnerable versions: < 2.6.1
Patched version: 2.6.1
Impact
Node Fetch did not honor the size option after following a redirect, which means that when a content size was over the limit, a FetchError would never get thrown and the process would end without failure.

For most people, this fix will have a little or no impact. However, if you are relying on node-fetch to gate files above a size, the impact could be significant, for example: If you don't double-check the size of the data after fetch() has completed, your JS thread could get tied up doing work on a large file (DoS) and/or cost you money in computing.

Patches
We released patched versions for both stable and beta channels:

For v2: 2.6.1
For v3: 3.0.0-beta.9
Workarounds
None, it is strongly recommended to update as soon as possible.

For more information
If you have any questions or comments about this advisory:

Open an issue in node-fetch
Contact one of the core maintainers.

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