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632 lines
22 KiB
632 lines
22 KiB
const { BN, expectEvent, expectRevert } = require('@openzeppelin/test-helpers');
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const { expect } = require('chai');
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const ethSigUtil = require('eth-sig-util');
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const Wallet = require('ethereumjs-wallet').default;
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const { fromRpcSig } = require('ethereumjs-util');
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const Enums = require('../helpers/enums');
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const { EIP712Domain } = require('../helpers/eip712');
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const { GovernorHelper } = require('../helpers/governance');
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const {
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shouldSupportInterfaces,
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} = require('../utils/introspection/SupportsInterface.behavior');
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const Token = artifacts.require('ERC20VotesMock');
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const Governor = artifacts.require('GovernorMock');
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const CallReceiver = artifacts.require('CallReceiverMock');
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const ERC721Mock = artifacts.require('ERC721Mock');
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const ERC1155Mock = artifacts.require('ERC1155Mock');
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contract('Governor', function (accounts) {
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const [ owner, proposer, voter1, voter2, voter3, voter4 ] = accounts;
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const empty = web3.utils.toChecksumAddress(web3.utils.randomHex(20));
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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 value = web3.utils.toWei('1');
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beforeEach(async function () {
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this.chainId = await web3.eth.getChainId();
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this.token = await Token.new(tokenName, tokenSymbol);
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this.mock = await Governor.new(name, this.token.address, votingDelay, votingPeriod, 10);
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this.receiver = await CallReceiver.new();
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this.helper = new GovernorHelper(this.mock);
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await web3.eth.sendTransaction({ from: owner, to: this.mock.address, value });
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await this.token.mint(owner, tokenSupply);
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await this.helper.delegate({ token: this.token, to: voter1, value: web3.utils.toWei('10') }, { from: owner });
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await this.helper.delegate({ token: this.token, to: voter2, value: web3.utils.toWei('7') }, { from: owner });
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await this.helper.delegate({ token: this.token, to: voter3, value: web3.utils.toWei('5') }, { from: owner });
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await this.helper.delegate({ token: this.token, to: voter4, value: web3.utils.toWei('2') }, { from: owner });
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this.proposal = this.helper.setProposal([
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{
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target: this.receiver.address,
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data: this.receiver.contract.methods.mockFunction().encodeABI(),
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value,
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},
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], '<proposal description>');
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});
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shouldSupportInterfaces([
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'ERC165',
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'ERC1155Receiver',
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'Governor',
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'GovernorWithParams',
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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('0');
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expect(await this.mock.COUNTING_MODE()).to.be.equal('support=bravo&quorum=for,abstain');
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});
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it('nominal workflow', async function () {
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// Before
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expect(await this.mock.hasVoted(this.proposal.id, owner)).to.be.equal(false);
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expect(await this.mock.hasVoted(this.proposal.id, voter1)).to.be.equal(false);
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expect(await this.mock.hasVoted(this.proposal.id, voter2)).to.be.equal(false);
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expect(await web3.eth.getBalance(this.mock.address)).to.be.bignumber.equal(value);
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expect(await web3.eth.getBalance(this.receiver.address)).to.be.bignumber.equal('0');
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// Run proposal
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const txPropose = await this.helper.propose({ from: proposer });
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expectEvent(
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txPropose,
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'ProposalCreated',
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{
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proposalId: this.proposal.id,
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proposer,
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targets: this.proposal.targets,
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// values: this.proposal.values,
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signatures: this.proposal.signatures,
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calldatas: this.proposal.data,
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startBlock: new BN(txPropose.receipt.blockNumber).add(votingDelay),
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endBlock: new BN(txPropose.receipt.blockNumber).add(votingDelay).add(votingPeriod),
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description: this.proposal.description,
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},
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);
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await this.helper.waitForSnapshot();
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expectEvent(
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await this.helper.vote({ support: Enums.VoteType.For, reason: 'This is nice' }, { from: voter1 }),
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'VoteCast',
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{
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voter: voter1,
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support: Enums.VoteType.For,
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reason: 'This is nice',
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weight: web3.utils.toWei('10'),
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},
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);
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expectEvent(
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await this.helper.vote({ support: Enums.VoteType.For }, { from: voter2 }),
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'VoteCast',
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{
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voter: voter2,
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support: Enums.VoteType.For,
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weight: web3.utils.toWei('7'),
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},
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);
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expectEvent(
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await this.helper.vote({ support: Enums.VoteType.Against }, { from: voter3 }),
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'VoteCast',
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{
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voter: voter3,
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support: Enums.VoteType.Against,
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weight: web3.utils.toWei('5'),
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},
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);
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expectEvent(
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await this.helper.vote({ support: Enums.VoteType.Abstain }, { from: voter4 }),
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'VoteCast',
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{
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voter: voter4,
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support: Enums.VoteType.Abstain,
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weight: web3.utils.toWei('2'),
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},
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);
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await this.helper.waitForDeadline();
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const txExecute = await this.helper.execute();
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expectEvent(
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txExecute,
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'ProposalExecuted',
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{ proposalId: this.proposal.id },
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);
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await expectEvent.inTransaction(
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txExecute.tx,
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this.receiver,
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'MockFunctionCalled',
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);
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// After
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expect(await this.mock.hasVoted(this.proposal.id, owner)).to.be.equal(false);
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expect(await this.mock.hasVoted(this.proposal.id, voter1)).to.be.equal(true);
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expect(await this.mock.hasVoted(this.proposal.id, voter2)).to.be.equal(true);
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expect(await web3.eth.getBalance(this.mock.address)).to.be.bignumber.equal('0');
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expect(await web3.eth.getBalance(this.receiver.address)).to.be.bignumber.equal(value);
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});
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it('vote with signature', async function () {
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const voterBySig = Wallet.generate();
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const voterBySigAddress = web3.utils.toChecksumAddress(voterBySig.getAddressString());
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const signature = async (message) => {
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return fromRpcSig(ethSigUtil.signTypedMessage(
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voterBySig.getPrivateKey(),
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{
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data: {
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types: {
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EIP712Domain,
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Ballot: [
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{ name: 'proposalId', type: 'uint256' },
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{ name: 'support', type: 'uint8' },
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],
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},
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domain: { name, version, chainId: this.chainId, verifyingContract: this.mock.address },
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primaryType: 'Ballot',
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message,
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},
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},
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));
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};
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await this.token.delegate(voterBySigAddress, { from: voter1 });
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// Run proposal
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await this.helper.propose();
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await this.helper.waitForSnapshot();
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expectEvent(
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await this.helper.vote({ support: Enums.VoteType.For, signature }),
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'VoteCast',
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{ voter: voterBySigAddress, support: Enums.VoteType.For },
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);
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await this.helper.waitForDeadline();
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await this.helper.execute();
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// After
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expect(await this.mock.hasVoted(this.proposal.id, owner)).to.be.equal(false);
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expect(await this.mock.hasVoted(this.proposal.id, voter1)).to.be.equal(false);
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expect(await this.mock.hasVoted(this.proposal.id, voter2)).to.be.equal(false);
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expect(await this.mock.hasVoted(this.proposal.id, voterBySigAddress)).to.be.equal(true);
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});
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it('send ethers', async function () {
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this.proposal = this.helper.setProposal([
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{
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target: empty,
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value,
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},
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], '<proposal description>');
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// Before
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expect(await web3.eth.getBalance(this.mock.address)).to.be.bignumber.equal(value);
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expect(await web3.eth.getBalance(empty)).to.be.bignumber.equal('0');
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// Run proposal
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await this.helper.propose();
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await this.helper.waitForSnapshot();
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await this.helper.vote({ support: Enums.VoteType.For }, { from: voter1 });
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await this.helper.waitForDeadline();
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await this.helper.execute();
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// After
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expect(await web3.eth.getBalance(this.mock.address)).to.be.bignumber.equal('0');
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expect(await web3.eth.getBalance(empty)).to.be.bignumber.equal(value);
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});
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describe('should revert', function () {
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describe('on propose', function () {
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it('if proposal already exists', async function () {
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await this.helper.propose();
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await expectRevert(this.helper.propose(), 'Governor: proposal already exists');
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});
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});
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describe('on vote', function () {
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it('if proposal does not exist', async function () {
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await expectRevert(
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this.helper.vote({ support: Enums.VoteType.For }, { from: voter1 }),
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'Governor: unknown proposal id',
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);
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});
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it('if voting has not started', async function () {
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await this.helper.propose();
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await expectRevert(
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this.helper.vote({ support: Enums.VoteType.For }, { from: voter1 }),
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'Governor: vote not currently active',
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);
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});
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it('if support value is invalid', async function () {
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await this.helper.propose();
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await this.helper.waitForSnapshot();
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await expectRevert(
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this.helper.vote({ support: new BN('255') }),
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'GovernorVotingSimple: invalid value for enum VoteType',
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);
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});
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it('if vote was already casted', async function () {
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await this.helper.propose();
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await this.helper.waitForSnapshot();
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await this.helper.vote({ support: Enums.VoteType.For }, { from: voter1 });
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await expectRevert(
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this.helper.vote({ support: Enums.VoteType.For }, { from: voter1 }),
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'GovernorVotingSimple: vote already cast',
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);
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});
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it('if voting is over', async function () {
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await this.helper.propose();
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await this.helper.waitForDeadline();
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await expectRevert(
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this.helper.vote({ support: Enums.VoteType.For }, { from: voter1 }),
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'Governor: vote not currently active',
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);
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});
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});
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describe('on execute', function () {
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it('if proposal does not exist', async function () {
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await expectRevert(this.helper.execute(), 'Governor: unknown proposal id');
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});
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it('if quorum is not reached', async function () {
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await this.helper.propose();
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await this.helper.waitForSnapshot();
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await this.helper.vote({ support: Enums.VoteType.For }, { from: voter3 });
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await expectRevert(this.helper.execute(), 'Governor: proposal not successful');
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});
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it('if score not reached', async function () {
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await this.helper.propose();
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await this.helper.waitForSnapshot();
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await this.helper.vote({ support: Enums.VoteType.Against }, { from: voter1 });
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await expectRevert(this.helper.execute(), 'Governor: proposal not successful');
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});
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it('if voting is not over', async function () {
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await this.helper.propose();
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await this.helper.waitForSnapshot();
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await this.helper.vote({ support: Enums.VoteType.For }, { from: voter1 });
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await expectRevert(this.helper.execute(), 'Governor: proposal not successful');
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});
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it('if receiver revert without reason', async function () {
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this.proposal = this.helper.setProposal([
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{
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target: this.receiver.address,
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data: this.receiver.contract.methods.mockFunctionRevertsNoReason().encodeABI(),
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},
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], '<proposal description>');
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await this.helper.propose();
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await this.helper.waitForSnapshot();
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await this.helper.vote({ support: Enums.VoteType.For }, { from: voter1 });
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await this.helper.waitForDeadline();
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await expectRevert(this.helper.execute(), 'Governor: call reverted without message');
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});
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it('if receiver revert with reason', async function () {
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this.proposal = this.helper.setProposal([
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{
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target: this.receiver.address,
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data: this.receiver.contract.methods.mockFunctionRevertsReason().encodeABI(),
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},
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], '<proposal description>');
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await this.helper.propose();
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await this.helper.waitForSnapshot();
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await this.helper.vote({ support: Enums.VoteType.For }, { from: voter1 });
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await this.helper.waitForDeadline();
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await expectRevert(this.helper.execute(), 'CallReceiverMock: reverting');
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});
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it('if proposal was already executed', async function () {
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await this.helper.propose();
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await this.helper.waitForSnapshot();
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await this.helper.vote({ support: Enums.VoteType.For }, { from: voter1 });
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await this.helper.waitForDeadline();
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await this.helper.execute();
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await expectRevert(this.helper.execute(), 'Governor: proposal not successful');
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});
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});
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});
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describe('state', function () {
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it('Unset', async function () {
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await expectRevert(this.mock.state(this.proposal.id), 'Governor: unknown proposal id');
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});
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it('Pending & Active', async function () {
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await this.helper.propose();
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expect(await this.mock.state(this.proposal.id)).to.be.bignumber.equal(Enums.ProposalState.Pending);
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await this.helper.waitForSnapshot();
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expect(await this.mock.state(this.proposal.id)).to.be.bignumber.equal(Enums.ProposalState.Pending);
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await this.helper.waitForSnapshot(+1);
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expect(await this.mock.state(this.proposal.id)).to.be.bignumber.equal(Enums.ProposalState.Active);
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});
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it('Defeated', async function () {
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await this.helper.propose();
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await this.helper.waitForDeadline();
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expect(await this.mock.state(this.proposal.id)).to.be.bignumber.equal(Enums.ProposalState.Active);
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await this.helper.waitForDeadline(+1);
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expect(await this.mock.state(this.proposal.id)).to.be.bignumber.equal(Enums.ProposalState.Defeated);
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});
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it('Succeeded', async function () {
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await this.helper.propose();
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await this.helper.waitForSnapshot();
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await this.helper.vote({ support: Enums.VoteType.For }, { from: voter1 });
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await this.helper.waitForDeadline();
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expect(await this.mock.state(this.proposal.id)).to.be.bignumber.equal(Enums.ProposalState.Active);
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await this.helper.waitForDeadline(+1);
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expect(await this.mock.state(this.proposal.id)).to.be.bignumber.equal(Enums.ProposalState.Succeeded);
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});
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it('Executed', async function () {
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await this.helper.propose();
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await this.helper.waitForSnapshot();
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await this.helper.vote({ support: Enums.VoteType.For }, { from: voter1 });
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await this.helper.waitForDeadline();
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await this.helper.execute();
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expect(await this.mock.state(this.proposal.id)).to.be.bignumber.equal(Enums.ProposalState.Executed);
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});
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});
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describe('cancel', function () {
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it('before proposal', async function () {
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await expectRevert(this.helper.cancel(), 'Governor: unknown proposal id');
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});
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it('after proposal', async function () {
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await this.helper.propose();
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await this.helper.cancel();
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expect(await this.mock.state(this.proposal.id)).to.be.bignumber.equal(Enums.ProposalState.Canceled);
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await this.helper.waitForSnapshot();
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await expectRevert(
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this.helper.vote({ support: Enums.VoteType.For }, { from: voter1 }),
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'Governor: vote not currently active',
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);
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});
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it('after vote', async function () {
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await this.helper.propose();
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await this.helper.waitForSnapshot();
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await this.helper.vote({ support: Enums.VoteType.For }, { from: voter1 });
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await this.helper.cancel();
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expect(await this.mock.state(this.proposal.id)).to.be.bignumber.equal(Enums.ProposalState.Canceled);
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await this.helper.waitForDeadline();
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await expectRevert(this.helper.execute(), 'Governor: proposal not successful');
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});
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it('after deadline', async function () {
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await this.helper.propose();
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await this.helper.waitForSnapshot();
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await this.helper.vote({ support: Enums.VoteType.For }, { from: voter1 });
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await this.helper.waitForDeadline();
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await this.helper.cancel();
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expect(await this.mock.state(this.proposal.id)).to.be.bignumber.equal(Enums.ProposalState.Canceled);
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await expectRevert(this.helper.execute(), 'Governor: proposal not successful');
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});
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it('after execution', async function () {
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await this.helper.propose();
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await this.helper.waitForSnapshot();
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await this.helper.vote({ support: Enums.VoteType.For }, { from: voter1 });
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await this.helper.waitForDeadline();
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await this.helper.execute();
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await expectRevert(this.helper.cancel(), 'Governor: proposal not active');
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});
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});
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describe('proposal length', function () {
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it('empty', async function () {
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this.helper.setProposal([ ], '<proposal description>');
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await expectRevert(this.helper.propose(), 'Governor: empty proposal');
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});
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it('missmatch #1', async function () {
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this.helper.setProposal({
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targets: [ ],
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|
values: [ web3.utils.toWei('0') ],
|
|
data: [ this.receiver.contract.methods.mockFunction().encodeABI() ],
|
|
}, '<proposal description>');
|
|
await expectRevert(this.helper.propose(), 'Governor: invalid proposal length');
|
|
});
|
|
|
|
it('missmatch #2', async function () {
|
|
this.helper.setProposal({
|
|
targets: [ this.receiver.address ],
|
|
values: [ ],
|
|
data: [ this.receiver.contract.methods.mockFunction().encodeABI() ],
|
|
}, '<proposal description>');
|
|
await expectRevert(this.helper.propose(), 'Governor: invalid proposal length');
|
|
});
|
|
|
|
it('missmatch #3', async function () {
|
|
this.helper.setProposal({
|
|
targets: [ this.receiver.address ],
|
|
values: [ web3.utils.toWei('0') ],
|
|
data: [ ],
|
|
}, '<proposal description>');
|
|
await expectRevert(this.helper.propose(), 'Governor: invalid proposal length');
|
|
});
|
|
});
|
|
|
|
describe('onlyGovernance updates', function () {
|
|
it('setVotingDelay is protected', async function () {
|
|
await expectRevert(this.mock.setVotingDelay('0'), 'Governor: onlyGovernance');
|
|
});
|
|
|
|
it('setVotingPeriod is protected', async function () {
|
|
await expectRevert(this.mock.setVotingPeriod('32'), 'Governor: onlyGovernance');
|
|
});
|
|
|
|
it('setProposalThreshold is protected', async function () {
|
|
await expectRevert(this.mock.setProposalThreshold('1000000000000000000'), 'Governor: onlyGovernance');
|
|
});
|
|
|
|
it('can setVotingDelay through governance', async function () {
|
|
this.helper.setProposal([
|
|
{
|
|
target: this.mock.address,
|
|
data: this.mock.contract.methods.setVotingDelay('0').encodeABI(),
|
|
},
|
|
], '<proposal description>');
|
|
|
|
await this.helper.propose();
|
|
await this.helper.waitForSnapshot();
|
|
await this.helper.vote({ support: Enums.VoteType.For }, { from: voter1 });
|
|
await this.helper.waitForDeadline();
|
|
|
|
expectEvent(
|
|
await this.helper.execute(),
|
|
'VotingDelaySet',
|
|
{ oldVotingDelay: '4', newVotingDelay: '0' },
|
|
);
|
|
|
|
expect(await this.mock.votingDelay()).to.be.bignumber.equal('0');
|
|
});
|
|
|
|
it('can setVotingPeriod through governance', async function () {
|
|
this.helper.setProposal([
|
|
{
|
|
target: this.mock.address,
|
|
data: this.mock.contract.methods.setVotingPeriod('32').encodeABI(),
|
|
},
|
|
], '<proposal description>');
|
|
|
|
await this.helper.propose();
|
|
await this.helper.waitForSnapshot();
|
|
await this.helper.vote({ support: Enums.VoteType.For }, { from: voter1 });
|
|
await this.helper.waitForDeadline();
|
|
|
|
expectEvent(
|
|
await this.helper.execute(),
|
|
'VotingPeriodSet',
|
|
{ oldVotingPeriod: '16', newVotingPeriod: '32' },
|
|
);
|
|
|
|
expect(await this.mock.votingPeriod()).to.be.bignumber.equal('32');
|
|
});
|
|
|
|
it('cannot setVotingPeriod to 0 through governance', async function () {
|
|
this.helper.setProposal([
|
|
{
|
|
target: this.mock.address,
|
|
data: this.mock.contract.methods.setVotingPeriod('0').encodeABI(),
|
|
},
|
|
], '<proposal description>');
|
|
|
|
await this.helper.propose();
|
|
await this.helper.waitForSnapshot();
|
|
await this.helper.vote({ support: Enums.VoteType.For }, { from: voter1 });
|
|
await this.helper.waitForDeadline();
|
|
|
|
await expectRevert(this.helper.execute(), 'GovernorSettings: voting period too low');
|
|
});
|
|
|
|
it('can setProposalThreshold to 0 through governance', async function () {
|
|
this.helper.setProposal([
|
|
{
|
|
target: this.mock.address,
|
|
data: this.mock.contract.methods.setProposalThreshold('1000000000000000000').encodeABI(),
|
|
},
|
|
], '<proposal description>');
|
|
|
|
await this.helper.propose();
|
|
await this.helper.waitForSnapshot();
|
|
await this.helper.vote({ support: Enums.VoteType.For }, { from: voter1 });
|
|
await this.helper.waitForDeadline();
|
|
|
|
expectEvent(
|
|
await this.helper.execute(),
|
|
'ProposalThresholdSet',
|
|
{ oldProposalThreshold: '0', newProposalThreshold: '1000000000000000000' },
|
|
);
|
|
|
|
expect(await this.mock.proposalThreshold()).to.be.bignumber.equal('1000000000000000000');
|
|
});
|
|
});
|
|
|
|
describe('safe receive', function () {
|
|
describe('ERC721', function () {
|
|
const name = 'Non Fungible Token';
|
|
const symbol = 'NFT';
|
|
const tokenId = new BN(1);
|
|
|
|
beforeEach(async function () {
|
|
this.token = await ERC721Mock.new(name, symbol);
|
|
await this.token.mint(owner, tokenId);
|
|
});
|
|
|
|
it('can receive an ERC721 safeTransfer', async function () {
|
|
await this.token.safeTransferFrom(owner, this.mock.address, tokenId, { from: owner });
|
|
});
|
|
});
|
|
|
|
describe('ERC1155', function () {
|
|
const uri = 'https://token-cdn-domain/{id}.json';
|
|
const tokenIds = {
|
|
1: new BN(1000),
|
|
2: new BN(2000),
|
|
3: new BN(3000),
|
|
};
|
|
|
|
beforeEach(async function () {
|
|
this.token = await ERC1155Mock.new(uri);
|
|
await this.token.mintBatch(owner, Object.keys(tokenIds), Object.values(tokenIds), '0x');
|
|
});
|
|
|
|
it('can receive ERC1155 safeTransfer', async function () {
|
|
await this.token.safeTransferFrom(
|
|
owner,
|
|
this.mock.address,
|
|
...Object.entries(tokenIds)[0], // id + amount
|
|
'0x',
|
|
{ from: owner },
|
|
);
|
|
});
|
|
|
|
it('can receive ERC1155 safeBatchTransfer', async function () {
|
|
await this.token.safeBatchTransferFrom(
|
|
owner,
|
|
this.mock.address,
|
|
Object.keys(tokenIds),
|
|
Object.values(tokenIds),
|
|
'0x',
|
|
{ from: owner },
|
|
);
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|