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60 lines
2.1 KiB
JavaScript

const { time } = require('@nomicfoundation/hardhat-network-helpers');
const { expectEvent } = require('@openzeppelin/test-helpers');
const { expect } = require('chai');
function releasedEvent(token, amount) {
return token ? ['ERC20Released', { token: token.address, amount }] : ['EtherReleased', { amount }];
}
function shouldBehaveLikeVesting(beneficiary) {
it('check vesting schedule', async function () {
const [vestedAmount, releasable, ...args] = this.token
? ['vestedAmount(address,uint64)', 'releasable(address)', this.token.address]
: ['vestedAmount(uint64)', 'releasable()'];
for (const timestamp of this.schedule) {
await time.increaseTo(timestamp);
const vesting = this.vestingFn(timestamp);
expect(await this.mock.methods[vestedAmount](...args, timestamp)).to.be.bignumber.equal(vesting);
expect(await this.mock.methods[releasable](...args)).to.be.bignumber.equal(vesting);
}
});
it('execute vesting schedule', async function () {
const [release, ...args] = this.token ? ['release(address)', this.token.address] : ['release()'];
let released = web3.utils.toBN(0);
const before = await this.getBalance(beneficiary);
{
const receipt = await this.mock.methods[release](...args);
await expectEvent.inTransaction(receipt.tx, this.mock, ...releasedEvent(this.token, '0'));
await this.checkRelease(receipt, beneficiary, '0');
expect(await this.getBalance(beneficiary)).to.be.bignumber.equal(before);
}
for (const timestamp of this.schedule) {
await time.setNextBlockTimestamp(timestamp);
const vested = this.vestingFn(timestamp);
const receipt = await this.mock.methods[release](...args);
await expectEvent.inTransaction(receipt.tx, this.mock, ...releasedEvent(this.token, vested.sub(released)));
await this.checkRelease(receipt, beneficiary, vested.sub(released));
expect(await this.getBalance(beneficiary)).to.be.bignumber.equal(before.add(vested));
released = vested;
}
});
}
module.exports = {
shouldBehaveLikeVesting,
};