testtimetravel.ts

import { ContractKit, newKit } from "@celo/contractkit";

function increaseTime(kit: ContractKit, addSeconds: number) {
	console.log(`time shift`, addSeconds)
	const provider = kit.web3.currentProvider
	if (!provider || typeof provider === "string") {
		throw new Error(`invalid currentProvider!`)
	}
	return new Promise((resolve, reject) => {
		provider.send({
			jsonrpc: '2.0',
			id: Date.now(),
			method: 'evm_increaseTime',
			params: [addSeconds],
		}, (err1) => {
			if (err1) return reject(err1);
			provider.send({
				jsonrpc: '2.0',
				id: Date.now(),
				method: 'evm_mine',
				params: [],
			}, (err2, res) => (err2 ? reject(err2) : resolve(res)));
		});
	});
}

async function main() {
	const kit = await newKit("http://localhost:8545")
	const lockedGold = await kit.contracts.getLockedGold()
	const a0 = "0x5409ED021D9299bf6814279A6A1411A7e866A631"
	kit.defaultAccount = a0
	const accounts = await kit.contracts.getAccounts()
	console.log(`create account`)
	if (!await accounts.isAccount(a0)) {
		const tx = await accounts.createAccount()
		await tx.sendAndWaitForReceipt()
	}

	const amt = 10e18.toFixed(0)
	let tx = lockedGold.lock()
	await tx.sendAndWaitForReceipt({value: amt} as any)
	console.log(`unlock gold`)
	tx = await lockedGold.unlock(amt)
	await tx.sendAndWaitForReceipt({from: a0} as any)

	await increaseTime(kit, 3*24*3600+1)

	console.log(`withdraw`)
	tx = await lockedGold.withdraw(0)
	await tx.sendAndWaitForReceipt()
}
main()