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Test emergency Ether withdrawal via self-destruct

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This commit is contained in:
David Racero 2020-11-03 21:04:48 +01:00
parent 4b511188c7
commit 46a42233c6
1 changed files with 11 additions and 8 deletions
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19
test/weth-gateway.spec.ts
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@ -275,33 +275,36 @@ makeSuite('Use native ETH at LendingPool via WETHGateway', (testEnv: TestEnv) =>
); );
}); });
xit('Owner can do emergency native ETH recovery', async () => { it('Owner can do emergency native ETH recovery', async () => {
const {users, wethGateway, deployer} = testEnv; const {users, wethGateway, deployer} = testEnv;
const user = users[0]; const user = users[0];
const amount = parseEther('1'); const amount = parseEther('1');
const userBalancePriorCall = await user.signer.getBalance();
// Deploy contract with payable selfdestruct contract
const selfdestructContract = await deploySelfdestructTransferMock(); const selfdestructContract = await deploySelfdestructTransferMock();
const userBalancePriorCall = await user.signer.getBalance(); // Selfdestruct the mock, pointing to WETHGateway address
const callTx = await selfdestructContract.destroyAndTransfer(wethGateway.address, { const callTx = await selfdestructContract
value: amount, .connect(user.signer)
}); .destroyAndTransfer(wethGateway.address, {value: amount});
const {gasUsed} = await waitForTx(callTx); const {gasUsed} = await waitForTx(callTx);
const gasFees = gasUsed.mul(callTx.gasPrice); const gasFees = gasUsed.mul(callTx.gasPrice);
const userBalanceAfterCall = await user.signer.getBalance(); const userBalanceAfterCall = await user.signer.getBalance();
console.log(formatEther(userBalanceAfterCall));
expect(userBalanceAfterCall).to.be.eq(userBalancePriorCall.sub(amount).sub(gasFees), ''); expect(userBalanceAfterCall).to.be.eq(userBalancePriorCall.sub(amount).sub(gasFees), '');
'User should have lost the funds'; 'User should have lost the funds';
// Recover the funds from the contract and sends back to the user
await wethGateway.connect(deployer.signer).emergencyEtherTransfer(user.address, amount); await wethGateway.connect(deployer.signer).emergencyEtherTransfer(user.address, amount);
const userBalanceAfterRecovery = await user.signer.getBalance(); const userBalanceAfterRecovery = await user.signer.getBalance();
const wethGatewayAfterRecovery = await BRE.ethers.provider.getBalance(wethGateway.address);
console.log(formatEther(userBalanceAfterCall));
expect(userBalanceAfterRecovery).to.be.eq( expect(userBalanceAfterRecovery).to.be.eq(
userBalancePriorCall.sub(gasFees), userBalancePriorCall.sub(gasFees),
'User should recover the funds due emergency eth transfer' 'User should recover the funds due emergency eth transfer.'
); );
expect(wethGatewayAfterRecovery).to.be.eq('0', 'WETHGateway ether balance should be zero.');
}); });
}); });