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247 lines
8.9 KiB
247 lines
8.9 KiB
const { BN, expectEvent, expectRevert, time } = require('@openzeppelin/test-helpers');
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const Enums = require('../../helpers/enums');
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const {
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runGovernorWorkflow,
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} = require('../GovernorWorkflow.behavior');
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const Token = artifacts.require('ERC20VotesCompMock');
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const Governor = artifacts.require('GovernorPreventLateQuorumMock');
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const CallReceiver = artifacts.require('CallReceiverMock');
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contract('GovernorPreventLateQuorum', function (accounts) {
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const [ owner, proposer, voter1, voter2, voter3, voter4 ] = accounts;
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const name = 'OZ-Governor';
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// const version = '1';
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const tokenName = 'MockToken';
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const tokenSymbol = 'MTKN';
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const tokenSupply = web3.utils.toWei('100');
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const votingDelay = new BN(4);
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const votingPeriod = new BN(16);
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const lateQuorumVoteExtension = new BN(8);
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const quorum = web3.utils.toWei('1');
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beforeEach(async function () {
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this.owner = owner;
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this.token = await Token.new(tokenName, tokenSymbol);
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this.mock = await Governor.new(
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name,
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this.token.address,
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votingDelay,
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votingPeriod,
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quorum,
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lateQuorumVoteExtension,
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);
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this.receiver = await CallReceiver.new();
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await this.token.mint(owner, tokenSupply);
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await this.token.delegate(voter1, { from: voter1 });
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await this.token.delegate(voter2, { from: voter2 });
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await this.token.delegate(voter3, { from: voter3 });
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await this.token.delegate(voter4, { from: voter4 });
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});
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it('deployment check', async function () {
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expect(await this.mock.name()).to.be.equal(name);
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expect(await this.mock.token()).to.be.equal(this.token.address);
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expect(await this.mock.votingDelay()).to.be.bignumber.equal(votingDelay);
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expect(await this.mock.votingPeriod()).to.be.bignumber.equal(votingPeriod);
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expect(await this.mock.quorum(0)).to.be.bignumber.equal(quorum);
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expect(await this.mock.lateQuorumVoteExtension()).to.be.bignumber.equal(lateQuorumVoteExtension);
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});
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describe('nominal is unaffected', function () {
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beforeEach(async function () {
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this.settings = {
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proposal: [
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[ this.receiver.address ],
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[ 0 ],
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[ this.receiver.contract.methods.mockFunction().encodeABI() ],
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'<proposal description>',
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],
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proposer,
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tokenHolder: owner,
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voters: [
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{ voter: voter1, weight: web3.utils.toWei('1'), support: Enums.VoteType.For, reason: 'This is nice' },
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{ voter: voter2, weight: web3.utils.toWei('7'), support: Enums.VoteType.For },
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{ voter: voter3, weight: web3.utils.toWei('5'), support: Enums.VoteType.Against },
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{ voter: voter4, weight: web3.utils.toWei('2'), support: Enums.VoteType.Abstain },
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],
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};
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});
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afterEach(async function () {
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expect(await this.mock.hasVoted(this.id, owner)).to.be.equal(false);
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expect(await this.mock.hasVoted(this.id, voter1)).to.be.equal(true);
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expect(await this.mock.hasVoted(this.id, voter2)).to.be.equal(true);
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await this.mock.proposalVotes(this.id).then(result => {
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for (const [key, value] of Object.entries(Enums.VoteType)) {
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expect(result[`${key.toLowerCase()}Votes`]).to.be.bignumber.equal(
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Object.values(this.settings.voters).filter(({ support }) => support === value).reduce(
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(acc, { weight }) => acc.add(new BN(weight)),
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new BN('0'),
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),
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);
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}
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});
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const startBlock = new BN(this.receipts.propose.blockNumber).add(votingDelay);
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const endBlock = new BN(this.receipts.propose.blockNumber).add(votingDelay).add(votingPeriod);
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expect(await this.mock.proposalSnapshot(this.id)).to.be.bignumber.equal(startBlock);
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expect(await this.mock.proposalDeadline(this.id)).to.be.bignumber.equal(endBlock);
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expectEvent(
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this.receipts.propose,
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'ProposalCreated',
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{
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proposalId: this.id,
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proposer,
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targets: this.settings.proposal[0],
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// values: this.settings.proposal[1].map(value => new BN(value)),
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signatures: this.settings.proposal[2].map(() => ''),
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calldatas: this.settings.proposal[2],
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startBlock,
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endBlock,
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description: this.settings.proposal[3],
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},
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);
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this.receipts.castVote.filter(Boolean).forEach(vote => {
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const { voter } = vote.logs.find(Boolean).args;
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expectEvent(
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vote,
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'VoteCast',
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this.settings.voters.find(({ address }) => address === voter),
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);
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expectEvent.notEmitted(
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vote,
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'ProposalExtended',
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);
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});
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expectEvent(
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this.receipts.execute,
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'ProposalExecuted',
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{ proposalId: this.id },
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);
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await expectEvent.inTransaction(
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this.receipts.execute.transactionHash,
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this.receiver,
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'MockFunctionCalled',
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);
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});
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runGovernorWorkflow();
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});
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describe('Delay is extended to prevent last minute take-over', function () {
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beforeEach(async function () {
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this.settings = {
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proposal: [
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[ this.receiver.address ],
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[ 0 ],
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[ this.receiver.contract.methods.mockFunction().encodeABI() ],
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'<proposal description>',
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],
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proposer,
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tokenHolder: owner,
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voters: [
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{ voter: voter1, weight: web3.utils.toWei('0.2'), support: Enums.VoteType.Against },
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{ voter: voter2, weight: web3.utils.toWei('1.0') }, // do not actually vote, only getting tokens
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{ voter: voter3, weight: web3.utils.toWei('0.9') }, // do not actually vote, only getting tokens
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],
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steps: {
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wait: { enable: false },
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execute: { enable: false },
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},
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};
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});
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afterEach(async function () {
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expect(await this.mock.state(this.id)).to.be.bignumber.equal(Enums.ProposalState.Active);
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const startBlock = new BN(this.receipts.propose.blockNumber).add(votingDelay);
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const endBlock = new BN(this.receipts.propose.blockNumber).add(votingDelay).add(votingPeriod);
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expect(await this.mock.proposalSnapshot(this.id)).to.be.bignumber.equal(startBlock);
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expect(await this.mock.proposalDeadline(this.id)).to.be.bignumber.equal(endBlock);
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// wait until the vote is almost over
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await time.advanceBlockTo(endBlock.subn(1));
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expect(await this.mock.state(this.id)).to.be.bignumber.equal(Enums.ProposalState.Active);
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// try to overtake the vote at the last minute
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const tx = await this.mock.castVote(this.id, Enums.VoteType.For, { from: voter2 });
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// vote duration is extended
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const extendedBlock = new BN(tx.receipt.blockNumber).add(lateQuorumVoteExtension);
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expect(await this.mock.proposalDeadline(this.id)).to.be.bignumber.equal(extendedBlock);
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expectEvent(
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tx,
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'ProposalExtended',
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{ proposalId: this.id, extendedDeadline: extendedBlock },
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);
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// vote is still active after expected end
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await time.advanceBlockTo(endBlock.addn(1));
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expect(await this.mock.state(this.id)).to.be.bignumber.equal(Enums.ProposalState.Active);
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// Still possible to vote
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await this.mock.castVote(this.id, Enums.VoteType.Against, { from: voter3 });
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// proposal fails
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await time.advanceBlockTo(extendedBlock.addn(1));
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expect(await this.mock.state(this.id)).to.be.bignumber.equal(Enums.ProposalState.Defeated);
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});
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runGovernorWorkflow();
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});
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describe('setLateQuorumVoteExtension', function () {
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beforeEach(async function () {
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this.newVoteExtension = new BN(0); // disable voting delay extension
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});
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it('protected', async function () {
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await expectRevert(
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this.mock.setLateQuorumVoteExtension(this.newVoteExtension),
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'Governor: onlyGovernance',
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);
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});
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describe('using workflow', function () {
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beforeEach(async function () {
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this.settings = {
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proposal: [
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[ this.mock.address ],
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[ web3.utils.toWei('0') ],
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[ this.mock.contract.methods.setLateQuorumVoteExtension(this.newVoteExtension).encodeABI() ],
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'<proposal description>',
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],
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proposer,
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tokenHolder: owner,
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voters: [
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{ voter: voter1, weight: web3.utils.toWei('1.0'), support: Enums.VoteType.For },
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],
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};
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});
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afterEach(async function () {
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expectEvent(
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this.receipts.propose,
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'ProposalCreated',
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{ proposalId: this.id },
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);
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expectEvent(
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this.receipts.execute,
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'ProposalExecuted',
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{ proposalId: this.id },
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);
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expectEvent(
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this.receipts.execute,
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'LateQuorumVoteExtensionSet',
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{ oldVoteExtension: lateQuorumVoteExtension, newVoteExtension: this.newVoteExtension },
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);
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expect(await this.mock.lateQuorumVoteExtension()).to.be.bignumber.equal(this.newVoteExtension);
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});
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runGovernorWorkflow();
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});
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});
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});
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