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248 lines
10 KiB
248 lines
10 KiB
const { ethers } = require('hardhat');
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const { expect } = require('chai');
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const { loadFixture } = require('@nomicfoundation/hardhat-network-helpers');
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const { GovernorHelper } = require('../../helpers/governance');
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const { VoteType } = require('../../helpers/enums');
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const { zip } = require('../../helpers/iterate');
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const { sum } = require('../../helpers/math');
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const TOKENS = [
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{ Token: '$ERC20Votes', mode: 'blocknumber' },
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{ Token: '$ERC20VotesTimestampMock', mode: 'timestamp' },
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];
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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 = ethers.parseEther('100');
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const votingDelay = 4n;
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const votingPeriod = 16n;
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const value = ethers.parseEther('1');
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describe('GovernorCountingFractional', function () {
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for (const { Token, mode } of TOKENS) {
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const fixture = async () => {
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const [owner, proposer, voter1, voter2, voter3, voter4, other] = await ethers.getSigners();
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const receiver = await ethers.deployContract('CallReceiverMock');
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const token = await ethers.deployContract(Token, [tokenName, tokenSymbol, tokenName, version]);
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const mock = await ethers.deployContract('$GovernorFractionalMock', [
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name, // name
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votingDelay, // initialVotingDelay
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votingPeriod, // initialVotingPeriod
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0n, // initialProposalThreshold
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token, // tokenAddress
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10n, // quorumNumeratorValue
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]);
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await owner.sendTransaction({ to: mock, value });
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await token.$_mint(owner, tokenSupply);
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const helper = new GovernorHelper(mock, mode);
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await helper.connect(owner).delegate({ token, to: voter1, value: ethers.parseEther('10') });
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await helper.connect(owner).delegate({ token, to: voter2, value: ethers.parseEther('7') });
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await helper.connect(owner).delegate({ token, to: voter3, value: ethers.parseEther('5') });
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await helper.connect(owner).delegate({ token, to: voter4, value: ethers.parseEther('2') });
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return { owner, proposer, voter1, voter2, voter3, voter4, other, receiver, token, mock, helper };
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};
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describe(`using ${Token}`, function () {
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beforeEach(async function () {
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Object.assign(this, await loadFixture(fixture));
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// default proposal
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this.proposal = this.helper.setProposal(
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[
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{
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target: this.receiver.target,
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value,
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data: this.receiver.interface.encodeFunctionData('mockFunction'),
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},
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],
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'<proposal description>',
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);
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});
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it('deployment check', async function () {
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expect(await this.mock.name()).to.equal(name);
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expect(await this.mock.token()).to.equal(this.token);
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expect(await this.mock.votingDelay()).to.equal(votingDelay);
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expect(await this.mock.votingPeriod()).to.equal(votingPeriod);
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expect(await this.mock.COUNTING_MODE()).to.equal(
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'support=bravo,fractional&quorum=for,abstain¶ms=fractional',
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);
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});
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it('nominal is unaffected', async function () {
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await this.helper.connect(this.proposer).propose();
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await this.helper.waitForSnapshot();
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await this.helper.connect(this.voter1).vote({ support: VoteType.For, reason: 'This is nice' });
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await this.helper.connect(this.voter2).vote({ support: VoteType.For });
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await this.helper.connect(this.voter3).vote({ support: VoteType.Against });
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await this.helper.connect(this.voter4).vote({ support: VoteType.Abstain });
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await this.helper.waitForDeadline();
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await this.helper.execute();
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expect(await this.mock.hasVoted(this.proposal.id, this.owner)).to.be.false;
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expect(await this.mock.hasVoted(this.proposal.id, this.voter1)).to.be.true;
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expect(await this.mock.hasVoted(this.proposal.id, this.voter2)).to.be.true;
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expect(await ethers.provider.getBalance(this.mock)).to.equal(0n);
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expect(await ethers.provider.getBalance(this.receiver)).to.equal(value);
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});
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describe('voting with a fraction of the weight', function () {
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it('twice', async function () {
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await this.helper.connect(this.proposer).propose();
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await this.helper.waitForSnapshot();
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expect(await this.mock.proposalVotes(this.proposal.id)).to.deep.equal([0n, 0n, 0n]);
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expect(await this.mock.hasVoted(this.proposal.id, this.voter2)).to.equal(false);
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expect(await this.mock.usedVotes(this.proposal.id, this.voter2)).to.equal(0n);
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const steps = [
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['0', '2', '1'],
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['1', '0', '1'],
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].map(votes => votes.map(vote => ethers.parseEther(vote)));
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for (const votes of steps) {
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const params = ethers.solidityPacked(['uint128', 'uint128', 'uint128'], votes);
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await expect(
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this.helper.connect(this.voter2).vote({
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support: VoteType.Parameters,
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reason: 'no particular reason',
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params,
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}),
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)
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.to.emit(this.mock, 'VoteCastWithParams')
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.withArgs(
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this.voter2,
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this.proposal.id,
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VoteType.Parameters,
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sum(...votes),
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'no particular reason',
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params,
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);
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}
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expect(await this.mock.proposalVotes(this.proposal.id)).to.deep.equal(zip(...steps).map(v => sum(...v)));
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expect(await this.mock.hasVoted(this.proposal.id, this.voter2)).to.equal(true);
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expect(await this.mock.usedVotes(this.proposal.id, this.voter2)).to.equal(sum(...[].concat(...steps)));
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});
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it('fractional then nominal', async function () {
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await this.helper.connect(this.proposer).propose();
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await this.helper.waitForSnapshot();
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expect(await this.mock.proposalVotes(this.proposal.id)).to.deep.equal([0n, 0n, 0n]);
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expect(await this.mock.hasVoted(this.proposal.id, this.voter2)).to.equal(false);
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expect(await this.mock.usedVotes(this.proposal.id, this.voter2)).to.equal(0n);
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const weight = ethers.parseEther('7');
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const fractional = ['1', '2', '1'].map(ethers.parseEther);
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const params = ethers.solidityPacked(['uint128', 'uint128', 'uint128'], fractional);
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await expect(
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this.helper.connect(this.voter2).vote({
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support: VoteType.Parameters,
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reason: 'no particular reason',
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params,
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}),
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)
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.to.emit(this.mock, 'VoteCastWithParams')
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.withArgs(
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this.voter2,
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this.proposal.id,
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VoteType.Parameters,
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sum(...fractional),
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'no particular reason',
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params,
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);
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await expect(this.helper.connect(this.voter2).vote({ support: VoteType.Against }))
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.to.emit(this.mock, 'VoteCast')
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.withArgs(this.voter2, this.proposal.id, VoteType.Against, weight - sum(...fractional), '');
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expect(await this.mock.proposalVotes(this.proposal.id)).to.deep.equal([
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weight - sum(...fractional.slice(1)),
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...fractional.slice(1),
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]);
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expect(await this.mock.hasVoted(this.proposal.id, this.voter2)).to.equal(true);
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expect(await this.mock.usedVotes(this.proposal.id, this.voter2)).to.equal(weight);
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});
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it('revert if params spend more than available', async function () {
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await this.helper.connect(this.proposer).propose();
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await this.helper.waitForSnapshot();
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const weight = ethers.parseEther('7');
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const fractional = ['0', '1000', '0'].map(ethers.parseEther);
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await expect(
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this.helper.connect(this.voter2).vote({
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support: VoteType.Parameters,
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reason: 'no particular reason',
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params: ethers.solidityPacked(['uint128', 'uint128', 'uint128'], fractional),
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}),
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)
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.to.be.revertedWithCustomError(this.mock, 'GovernorExceedRemainingWeight')
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.withArgs(this.voter2, sum(...fractional), weight);
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});
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it('revert if no weight remaining', async function () {
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await this.helper.connect(this.proposer).propose();
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await this.helper.waitForSnapshot();
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await this.helper.connect(this.voter2).vote({ support: VoteType.For });
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await expect(
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this.helper.connect(this.voter2).vote({
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support: VoteType.Parameters,
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reason: 'no particular reason',
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params: ethers.solidityPacked(['uint128', 'uint128', 'uint128'], [0n, 1n, 0n]),
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}),
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)
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.to.be.revertedWithCustomError(this.mock, 'GovernorAlreadyCastVote')
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.withArgs(this.voter2);
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});
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it('revert if params are not properly formatted #1', async function () {
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await this.helper.connect(this.proposer).propose();
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await this.helper.waitForSnapshot();
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await expect(
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this.helper.connect(this.voter2).vote({
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support: VoteType.Parameters,
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reason: 'no particular reason',
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params: ethers.solidityPacked(['uint128', 'uint128'], [0n, 1n]),
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}),
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).to.be.revertedWithCustomError(this.mock, 'GovernorInvalidVoteParams');
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});
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it('revert if params are not properly formatted #2', async function () {
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await this.helper.connect(this.proposer).propose();
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await this.helper.waitForSnapshot();
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await expect(
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this.helper.connect(this.voter2).vote({
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support: VoteType.Against,
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reason: 'no particular reason',
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params: ethers.solidityPacked(['uint128', 'uint128', 'uint128'], [0n, 1n, 0n]),
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}),
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).to.be.revertedWithCustomError(this.mock, 'GovernorInvalidVoteParams');
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});
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it('revert if vote type is invalid', async function () {
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await this.helper.connect(this.proposer).propose();
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await this.helper.waitForSnapshot();
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await expect(this.helper.connect(this.voter2).vote({ support: 128n })).to.be.revertedWithCustomError(
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this.mock,
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'GovernorInvalidVoteType',
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);
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});
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});
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});
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}
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});
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