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Fix decrease allowance and add non-zero address precondition to approve #1293

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Merged
frangio merged 8 commits into from
Sep 7, 2018
Merged

Fix decrease allowance and add non-zero address precondition to approve #1293

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f306cc8
rename {increase,decrease}Approval to {increase,decrease}Allowance
frangio Sep 6, 2018
2470b65
add non-zero spender check to approve and {increase,decrease}Allowance
frangio Sep 6, 2018
79fb00c
Updated tests to reflect the new behavior.
nventuro Sep 7, 2018
00f124e
fix wrong test description
frangio Sep 7, 2018
267c384
fix old function names
frangio Sep 7, 2018
f7d18fe
Fixed linter error.
nventuro Sep 7, 2018
5d87d9a
Merge branch 'master' into fix-increase-decrease-allowance
frangio Sep 7, 2018
f98cdfa
Fixed typo.
nventuro Sep 7, 2018
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fix old function names
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@frangio
frangio committed Sep 7, 2018
commit 267c384c9e22d1be0feea4357d1eb603de0e9567
12 changes: 6 additions & 6 deletions test/token/ERC20/ERC20Pausable.test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -185,7 +185,7 @@ contract('ERC20Pausable', function ([_, owner, recipient, anotherAccount]) {
});

it('allows to decrease approval when unpaused', async function () {
await this.token.decreaseApproval(anotherAccount, 40, { from: owner });
await this.token.decreaseAllowance(anotherAccount, 40, { from: owner });

(await this.token.allowance(owner, anotherAccount)).should.be.bignumber.equal(60);
});
Expand All @@ -194,15 +194,15 @@ contract('ERC20Pausable', function ([_, owner, recipient, anotherAccount]) {
await this.token.pause({ from: owner });
await this.token.unpause({ from: owner });

await this.token.decreaseApproval(anotherAccount, 40, { from: owner });
await this.token.decreaseAllowance(anotherAccount, 40, { from: owner });

(await this.token.allowance(owner, anotherAccount)).should.be.bignumber.equal(60);
});

it('reverts when trying to transfer when paused', async function () {
await this.token.pause({ from: owner });

await assertRevert(this.token.decreaseApproval(anotherAccount, 40, { from: owner }));
await assertRevert(this.token.decreaseAllowance(anotherAccount, 40, { from: owner }));
});
});

Expand All @@ -212,7 +212,7 @@ contract('ERC20Pausable', function ([_, owner, recipient, anotherAccount]) {
});

it('allows to increase approval when unpaused', async function () {
await this.token.increaseApproval(anotherAccount, 40, { from: owner });
await this.token.increaseAllowance(anotherAccount, 40, { from: owner });

(await this.token.allowance(owner, anotherAccount)).should.be.bignumber.equal(140);
});
Expand All @@ -221,15 +221,15 @@ contract('ERC20Pausable', function ([_, owner, recipient, anotherAccount]) {
await this.token.pause({ from: owner });
await this.token.unpause({ from: owner });

await this.token.increaseApproval(anotherAccount, 40, { from: owner });
await this.token.increaseAllowance(anotherAccount, 40, { from: owner });

(await this.token.allowance(owner, anotherAccount)).should.be.bignumber.equal(140);
});

it('reverts when trying to increase approval when paused', async function () {
await this.token.pause({ from: owner });

await assertRevert(this.token.increaseApproval(anotherAccount, 40, { from: owner }));
await assertRevert(this.token.increaseAllowance(anotherAccount, 40, { from: owner }));
});
});
});
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