torn-token/test/airdrop.test.js

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2020-12-15 16:05:35 +01:00
/* global artifacts, web3, contract */
require('chai').use(require('bn-chai')(web3.utils.BN)).use(require('chai-as-promised')).should()
const { takeSnapshot, revertSnapshot } = require('../scripts/ganacheHelper')
const Airdrop = artifacts.require('./AirdropMock.sol')
const Torn = artifacts.require('./TORNMock.sol')
const { cap } = require('../config').torn
const { toBN, toWei } = require('web3-utils')
const RLP = require('rlp')
async function getNextAddr(sender, offset = 0) {
const nonce = await web3.eth.getTransactionCount(sender)
return (
'0x' +
web3.utils
.sha3(RLP.encode([sender, Number(nonce) + Number(offset)]))
.slice(12)
.substring(14)
)
}
async function deploySefldestruct(contract, args, deployerPK) {
const c = new web3.eth.Contract(contract.abi)
const data = c
.deploy({
data: contract.bytecode,
arguments: args,
})
.encodeABI()
const signed = await web3.eth.accounts.signTransaction(
{
gas: 5e6,
gasPrice: toWei('1', 'gwei'),
data,
},
deployerPK,
)
await web3.eth.sendSignedTransaction(signed.rawTransaction)
}
contract('Airdrop', (accounts) => {
let torn
let snapshotId
const airdropDeployer = accounts[8]
const deployerPK = '0x0f62d96d6675f32685bbdb8ac13cda7c23436f63efbb9d07700d8669ff12b7c4'
const recipient1 = accounts[2]
const recipient2 = accounts[3]
let half = toBN(cap).div(toBN(2)).toString()
before(async () => {
const newAddr = await getNextAddr(airdropDeployer)
torn = await Torn.new(accounts[0], 0, [{ to: newAddr, amount: cap }])
snapshotId = await takeSnapshot()
})
describe('#airdrop', () => {
it('should work', async () => {
// web3 throws when it tried to deploy a contract with selfdestruct() in constructor
await deploySefldestruct(
Airdrop,
[
torn.address,
[
{ to: recipient1, amount: half },
{ to: recipient2, amount: half },
],
],
deployerPK,
)
const bal1 = await torn.balanceOf(recipient1)
const bal2 = await torn.balanceOf(recipient2)
bal1.should.eq.BN(toBN(half))
bal2.should.eq.BN(toBN(half))
})
// todo: how do we get the same deployed address without create2?
// it('should throw on second attempt', async () => {
// await Airdrop.new(torn.address, [accounts[1], accounts[2]], [half, half], { from: airdropDeployer })
// })
})
afterEach(async () => {
await revertSnapshot(snapshotId.result)
// eslint-disable-next-line require-atomic-updates
snapshotId = await takeSnapshot()
})
})