full allowance

wighawag · Sep 13, 2023 · 5d13586 · 5d13586
1 parent edd2763
commit 5d13586
Showing 1 changed file with 24 additions and 1 deletion.
diff --git a/contracts/test/TestTokens.test.ts b/contracts/test/TestTokens.test.ts
@@ -67,7 +67,7 @@ describe('TestTokens', function () {
 			expect(await TestTokens.read.decimals()).to.equal(18);
 		});
 
-		it.only('TestTokens should let me approve allowances via Permit style signatures', async function () {
+		it('TestTokens should let me approve allowances via Permit style signatures', async function () {
 			const {TestTokens, TestTokensPermitSigner, tokensBeneficiary, otherAccounts} = await loadFixture(
 				deployStratagemsWithDefaultConfig,
 			);
@@ -88,5 +88,28 @@ describe('TestTokens', function () {
 			const allowance = await TestTokens.read.allowance([owner, spender]);
 			expect(allowance).to.equal(value);
 		});
+
+		it('TestTokens should let me approve total allowance via Permit style signatures', async function () {
+			const {TestTokens, TestTokensPermitSigner, tokensBeneficiary, otherAccounts} = await loadFixture(
+				deployStratagemsWithDefaultConfig,
+			);
+			const owner = tokensBeneficiary;
+			const spender = otherAccounts[2];
+			const value = BigInt('0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF');
+			const nonce = 0;
+			const deadline = 0;
+			const signature = await TestTokensPermitSigner.sign(tokensBeneficiary, {
+				owner,
+				spender,
+				value: value.toString(),
+				nonce,
+				deadline,
+			});
+			const {v, r, s} = hexToSignature(signature);
+			await TestTokens.write.permit([owner, spender, value, BigInt(deadline), Number(v), r, s], {account: spender});
+			await TestTokens.write.transferFrom([owner, spender, parseEther('1')], {account: spender});
+			const allowance = await TestTokens.read.allowance([owner, spender]);
+			expect(allowance).to.equal(value);
+		});
 	});
 });