How to use ganache-time-traveler - 3 common examples
To help you get started, we’ve selected a few ganache-time-traveler examples, based on popular ways it is used in public projects.
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aniemerg / yieldtoken / test / treasurer.js View on Github 
it("should allow repo holder to close repo and recieve remaining collateral", async() => {
const TreasurerInstance = await Treasurer.deployed();
var series = 2;
snapShot = await helper.takeSnapshot();
snapshotId = snapShot['result'];
//fix margin for account 2 (it is underfunded from wipe test)
await TreasurerInstance.join({from:accounts[2], value:web3.utils.toWei("1")});
await TreasurerInstance.make(series, web3.utils.toWei("0"), web3.utils.toWei("1"), {from:accounts[2]}),
await helper.advanceTimeAndBlock(SECONDS_IN_DAY * 1.5);
await TreasurerInstance.settlement(series);
var balance_before = await web3.eth.getBalance(accounts[2]);
//run close
const result = await TreasurerInstance.close(series, {from:accounts[2]});
var balance_after = await web3.eth.getBalance(accounts[2]);
const tx = await web3.eth.getTransaction(result.tx);
var balance_after = await web3.eth.getBalance(accounts[2]);
const total = Number(balance_after) - Number(balance_before) + result.receipt.gasUsed * tx.gasPrice;
assert(total > Number(web3.utils.toWei(".44999")), "repo funds not received");
assert(total < Number(web3.utils.toWei(".45001")), "repo funds not received");
//unwind state
await helper.revertToSnapshot(snapshotId);it("should allow for settlement", async() => {
const TreasurerInstance = await Treasurer.deployed();
var series = 2;
snapShot = await helper.takeSnapshot();
snapshotId = snapShot['result'];
await helper.advanceTimeAndBlock(SECONDS_IN_DAY * 1.5);
await TreasurerInstance.settlement(series);
var rate = (await TreasurerInstance.settled(series)).toString();
assert.equal(rate, web3.utils.toWei(".02"), "settled rate not set");
//unwind state
await helper.revertToSnapshot(snapshotId);
});it("should allow repo holder to close repo and recieve remaining collateral", async() => {
const TreasurerInstance = await Treasurer.deployed();
var series = 2;
snapShot = await helper.takeSnapshot();
snapshotId = snapShot['result'];
//fix margin for account 2 (it is underfunded from wipe test)
await TreasurerInstance.join({from:accounts[2], value:web3.utils.toWei("1")});
await TreasurerInstance.make(series, web3.utils.toWei("0"), web3.utils.toWei("1"), {from:accounts[2]}),
await helper.advanceTimeAndBlock(SECONDS_IN_DAY * 1.5);
await TreasurerInstance.settlement(series);
var balance_before = await web3.eth.getBalance(accounts[2]);
//run close
const result = await TreasurerInstance.close(series, {from:accounts[2]});
var balance_after = await web3.eth.getBalance(accounts[2]);
const tx = await web3.eth.getTransaction(result.tx);
var balance_after = await web3.eth.getBalance(accounts[2]);ganache-time-traveler
A ganache utility that simplifies writing time dependent or stateless tests on a local Ethereum blockchain.
