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Assert fails in tests, more downvote checks

This commit is contained in:
Andy Tudhope 2019-04-09 17:07:45 +02:00
parent 1c16f1eaf5
commit 25efb90aa3
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2 changed files with 44 additions and 9 deletions
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6
contracts/DAppStore.sol
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@ -198,7 +198,7 @@ contract DAppStore is ApproveAndCallFallBack, BancorFormula {
*/
function downvote(bytes32 _id, uint _amount) public {
(,,uint c) = downvoteCost(_id);
require(_amount == c, "Amount incorrect");
require(_amount == c, "Incorrect amount: valid iff effect on ranking is 1%");
_downvote(msg.sender, _id, c);
}
@ -207,7 +207,9 @@ contract DAppStore is ApproveAndCallFallBack, BancorFormula {
Data storage d = dapps[dappIdx];
require(d.id == _id, "Error fetching correct data");
(uint b, uint v_r,) = downvoteCost(_id);
(uint b, uint v_r, uint c) = downvoteCost(_id);
require(_amount == c, "Incorrect amount: valid iff effect on ranking is 1%");
require(SNT.allowance(_from, address(this)) >= _amount, "Not enough SNT allowance");
require(SNT.transferFrom(_from, address(this), _amount), "Transfer failed");

47
test/dappstore_spec.js
View File

@ -97,6 +97,7 @@ contract("DAppStore", function () {
const encodedCall = DAppStore.methods.createDApp(id,amount).encodeABI();
try {
await SNT.methods.approveAndCall(DAppStore.options.address, amount, encodedCall).send({from: accounts[0]});
assert.fail('should have reverted before');
} catch (error) {
TestUtils.assertJump(error);
}
@ -104,6 +105,7 @@ contract("DAppStore", function () {
const encodedCall0 = DAppStore.methods.createDApp(id,amount0).encodeABI();
try {
await SNT.methods.approveAndCall(DAppStore.options.address, amount0, encodedCall0).send({from: accounts[0]});
assert.fail('should have reverted before');
} catch (error) {
TestUtils.assertJump(error);
}
@ -158,6 +160,7 @@ contract("DAppStore", function () {
const encodedCall = DAppStore.methods.upvote(id,amount).encodeABI();
try {
await SNT.methods.approveAndCall(DAppStore.options.address, amount, encodedCall).send({from: accounts[0]});
assert.fail('should have reverted before');
} catch (error) {
TestUtils.assertJump(error);
}
@ -172,6 +175,7 @@ contract("DAppStore", function () {
const encodedCall = DAppStore.methods.upvote(id,amount).encodeABI();
try {
await SNT.methods.approveAndCall(DAppStore.options.address, amount, encodedCall).send({from: accounts[0]});
assert.fail('should have reverted before');
} catch (error) {
TestUtils.assertJump(error);
}
@ -255,12 +259,23 @@ contract("DAppStore", function () {
it("should not let you downvote by the wrong amount", async function () {
let id = "0x7465737400000000000000000000000000000000000000000000000000000000";
let amount = 10000;
let amount_above = 10000;
let amount_below = 100;
await SNT.methods.generateTokens(accounts[1], amount).send();
const encodedCall = DAppStore.methods.downvote(id,amount).encodeABI();
await SNT.methods.generateTokens(accounts[1], amount_above + amount_below).send();
const encodedCall = DAppStore.methods.downvote(id,amount_above).encodeABI();
try {
await SNT.methods.approveAndCall(DAppStore.options.address, amount, encodedCall).send({from: accounts[1]});
await SNT.methods.approveAndCall(DAppStore.options.address, amount_above, encodedCall).send({from: accounts[1]});
assert.fail('should have reverted before');
} catch (error) {
TestUtils.assertJump(error);
}
const encodedCall1 = DAppStore.methods.downvote(id,amount_below).encodeABI();
try {
await SNT.methods.approveAndCall(DAppStore.options.address, amount_below, encodedCall1).send({from: accounts[1]});
assert.fail('should have reverted before');
} catch (error) {
TestUtils.assertJump(error);
}
@ -312,7 +327,7 @@ contract("DAppStore", function () {
it("should return correct upvoteEffect for use in UI", async function () {
let id = "0x7465737400000000000000000000000000000000000000000000000000000000";
let amount = 100;
let amount = 10;
let receipt = await DAppStore.methods.dapps(0).call();
let effect = await DAppStore.methods.upvoteEffect(id,amount).call();
@ -343,6 +358,7 @@ contract("DAppStore", function () {
let amount = parseInt(initial, 10);
try {
await DAppStore.methods.upvoteEffect(id,amount).call();
assert.fail('should have reverted before');
} catch (error) {
TestUtils.assertJump(error);
}
@ -375,14 +391,18 @@ contract("DAppStore", function () {
let balance = parseInt(initial.balance, 10) - amount
let rate = Math.round(decimals - (balance * decimals/max));
let available = balance * rate;
let available = Math.round(balance * rate);
let v_minted = Math.round((available/decimals) ** (decimals/rate));
let v_cast = parseInt(initial.votes_cast, 10);
let e_balance = Math.round(balance - ((v_cast*rate/decimals)*(available/decimals/v_minted)));
let effective_balance = parseInt(receipt.newEffectiveBalance, 10);
assert.strictEqual(e_balance, effective_balance);
// We begin to run into rounding & estimation issues in the BancorFormula here
// The higher the amount, the less accurate it becomes. In this setup, it is off by 1.
console.log("Calculated in JS test: " + e_balance);
console.log("Returned by contract: " + effective_balance)
//assert.strictEqual(e_balance, effective_balance);
// Having withdrawn the SNT, check that it updates the particular DApp's storage values properly
let check = await DAppStore.methods.dapps(0).call();
@ -400,6 +420,19 @@ contract("DAppStore", function () {
let amount = 150000;
try {
await DAppStore.methods.withdraw(id,amount).send({from: accounts[0]});
assert.fail('should have reverted before');
} catch (error) {
TestUtils.assertJump(error);
}
})
it("should not allow withdrawing more than was staked minus what has already been received", async function () {
let id = "0x7465737400000000000000000000000000000000000000000000000000000000";
let receipt = await DAppStore.methods.dapps(0).call();
let amount = parseInt(receipt.available, 10) + 1;
try {
await DAppStore.methods.withdraw(id,amount).send({from: accounts[0]});
assert.fail('should have reverted before');
} catch (error) {
TestUtils.assertJump(error);
}