mirror of openzeppelin-contracts
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
openzeppelin-contracts/test/governance/extensions/GovernorWeightQuorumFractio...

122 lines
4.3 KiB

const { BN, expectEvent, time } = require('@openzeppelin/test-helpers');
const Enums = require('../../helpers/enums');
const {
runGovernorWorkflow,
} = require('./../GovernorWorkflow.behavior');
const Token = artifacts.require('ERC20VotesMock');
const Governor = artifacts.require('GovernorMock');
const CallReceiver = artifacts.require('CallReceiverMock');
contract('GovernorVotesQuorumFraction', function (accounts) {
const [ owner, voter1, voter2, voter3, voter4 ] = accounts;
const name = 'OZ-Governor';
// const version = '1';
const tokenName = 'MockToken';
const tokenSymbol = 'MTKN';
const tokenSupply = new BN(web3.utils.toWei('100'));
const ratio = new BN(8); // percents
const newRatio = new BN(6); // percents
beforeEach(async function () {
this.owner = owner;
this.token = await Token.new(tokenName, tokenSymbol);
this.mock = await Governor.new(name, this.token.address, 4, 16, ratio);
this.receiver = await CallReceiver.new();
await this.token.mint(owner, tokenSupply);
await this.token.delegate(voter1, { from: voter1 });
await this.token.delegate(voter2, { from: voter2 });
await this.token.delegate(voter3, { from: voter3 });
await this.token.delegate(voter4, { from: voter4 });
});
it('deployment check', async function () {
expect(await this.mock.name()).to.be.equal(name);
expect(await this.mock.token()).to.be.equal(this.token.address);
expect(await this.mock.votingDelay()).to.be.bignumber.equal('4');
expect(await this.mock.votingPeriod()).to.be.bignumber.equal('16');
expect(await this.mock.quorum(0)).to.be.bignumber.equal('0');
expect(await this.mock.quorumNumerator()).to.be.bignumber.equal(ratio);
expect(await this.mock.quorumDenominator()).to.be.bignumber.equal('100');
expect(await time.latestBlock().then(blockNumber => this.mock.quorum(blockNumber.subn(1))))
.to.be.bignumber.equal(tokenSupply.mul(ratio).divn(100));
});
describe('quroum not reached', function () {
beforeEach(async function () {
this.settings = {
proposal: [
[ this.receiver.address ],
[ web3.utils.toWei('0') ],
[ this.receiver.contract.methods.mockFunction().encodeABI() ],
'<proposal description>',
],
tokenHolder: owner,
voters: [
{ voter: voter1, weight: web3.utils.toWei('1'), support: Enums.VoteType.For },
],
steps: {
execute: { error: 'Governor: proposal not successful' },
},
};
});
runGovernorWorkflow();
});
describe('update quorum ratio through proposal', function () {
beforeEach(async function () {
this.settings = {
proposal: [
[ this.mock.address ],
[ web3.utils.toWei('0') ],
[ this.mock.contract.methods.updateQuorumNumerator(newRatio).encodeABI() ],
'<proposal description>',
],
tokenHolder: owner,
voters: [
{ voter: voter1, weight: tokenSupply, support: Enums.VoteType.For },
],
};
});
afterEach(async function () {
await expectEvent.inTransaction(
this.receipts.execute.transactionHash,
this.mock,
'QuorumNumeratorUpdated',
{
oldQuorumNumerator: ratio,
newQuorumNumerator: newRatio,
},
);
expect(await this.mock.quorumNumerator()).to.be.bignumber.equal(newRatio);
expect(await this.mock.quorumDenominator()).to.be.bignumber.equal('100');
expect(await time.latestBlock().then(blockNumber => this.mock.quorum(blockNumber.subn(1))))
.to.be.bignumber.equal(tokenSupply.mul(newRatio).divn(100));
});
runGovernorWorkflow();
});
describe('update quorum over the maximum', function () {
beforeEach(async function () {
this.settings = {
proposal: [
[ this.mock.address ],
[ web3.utils.toWei('0') ],
[ this.mock.contract.methods.updateQuorumNumerator(new BN(101)).encodeABI() ],
'<proposal description>',
],
tokenHolder: owner,
voters: [
{ voter: voter1, weight: tokenSupply, support: Enums.VoteType.For },
],
steps: {
execute: { error: 'GovernorVotesQuorumFraction: quorumNumerator over quorumDenominator' },
},
};
});
runGovernorWorkflow();
});
});