1 files changed, 81 insertions, 0 deletions
diff --git a/packages/contracts/test/token_transfer_proxy/transfer_from.ts b/packages/contracts/test/token_transfer_proxy/transfer_from.ts
new file mode 100644
index 000000000..bd7adcfae
--- /dev/null
+++ b/packages/contracts/test/token_transfer_proxy/transfer_from.ts
@@ -0,0 +1,81 @@
+import { BlockchainLifecycle, devConstants, web3Factory } from '@0xproject/dev-utils';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
+import * as chai from 'chai';
+import * as Web3 from 'web3';
+
+import { Balances } from '../../util/balances';
+import { constants } from '../../util/constants';
+import { ContractName } from '../../util/types';
+import { chaiSetup } from '../utils/chai_setup';
+import { deployer } from '../utils/deployer';
+
+chaiSetup.configure();
+const expect = chai.expect;
+const web3 = web3Factory.create();
+const web3Wrapper = new Web3Wrapper(web3.currentProvider);
+const blockchainLifecycle = new BlockchainLifecycle();
+
+describe('TokenTransferProxy', () => {
+    let accounts: string[];
+    let owner: string;
+    let notAuthorized: string;
+    const INIT_BAL = 100000000;
+    const INIT_ALLOW = 100000000;
+
+    let tokenTransferProxy: Web3.ContractInstance;
+    let rep: Web3.ContractInstance;
+    let dmyBalances: Balances;
+
+    before(async () => {
+        accounts = await web3Wrapper.getAvailableAddressesAsync();
+        owner = notAuthorized = accounts[0];
+        tokenTransferProxy = await deployer.deployAsync(ContractName.TokenTransferProxy);
+        rep = await deployer.deployAsync(ContractName.DummyToken);
+
+        dmyBalances = new Balances([rep], [accounts[0], accounts[1]]);
+        await Promise.all([
+            rep.approve(tokenTransferProxy.address, INIT_ALLOW, {
+                from: accounts[0],
+            }),
+            rep.setBalance(accounts[0], INIT_BAL, { from: owner }),
+            rep.approve(tokenTransferProxy.address, INIT_ALLOW, {
+                from: accounts[1],
+            }),
+            rep.setBalance(accounts[1], INIT_BAL, { from: owner }),
+        ]);
+    });
+    beforeEach(async () => {
+        await blockchainLifecycle.startAsync();
+    });
+    afterEach(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
+
+    describe('transferFrom', () => {
+        it('should throw when called by an unauthorized address', async () => {
+            expect(
+                tokenTransferProxy.transferFrom(rep.address, accounts[0], accounts[1], 1000, { from: notAuthorized }),
+            ).to.be.rejectedWith(constants.REVERT);
+        });
+
+        it('should allow an authorized address to transfer', async () => {
+            const balances = await dmyBalances.getAsync();
+
+            await tokenTransferProxy.addAuthorizedAddress(notAuthorized, {
+                from: owner,
+            });
+            const transferAmt = 10000;
+            await tokenTransferProxy.transferFrom(rep.address, accounts[0], accounts[1], transferAmt, {
+                from: notAuthorized,
+            });
+
+            const newBalances = await dmyBalances.getAsync();
+            expect(newBalances[accounts[0]][rep.address]).to.be.bignumber.equal(
+                balances[accounts[0]][rep.address].minus(transferAmt),
+            );
+            expect(newBalances[accounts[1]][rep.address]).to.be.bignumber.equal(
+                balances[accounts[1]][rep.address].add(transferAmt),
+            );
+        });
+    });
+});