Merge pull request #247 from 0xProject/feature/addContractsRepo

Add contracts repo

1 files changed, 67 insertions, 0 deletions

diff --git a/packages/contracts/test/ts/token_transfer_proxy/transfer_from.ts b/packages/contracts/test/ts/token_transfer_proxy/transfer_from.ts
new file mode 100644
index 000000000..6e0bfdc1a
--- /dev/null
+++ b/packages/contracts/test/ts/token_transfer_proxy/transfer_from.ts
@@ -0,0 +1,67 @@
+import * as chai from 'chai';
+
+import {Artifacts} from '../../../util/artifacts';
+import {Balances} from '../../../util/balances';
+import {constants} from '../../../util/constants';
+import {ContractInstance} from '../../../util/types';
+import {chaiSetup} from '../utils/chai_setup';
+
+chaiSetup.configure();
+const expect = chai.expect;
+const {
+    TokenTransferProxy,
+    DummyToken,
+    TokenRegistry,
+} = new Artifacts(artifacts);
+
+contract('TokenTransferProxy', (accounts: string[]) => {
+    const INIT_BAL = 100000000;
+    const INIT_ALLOW = 100000000;
+
+    const owner = accounts[0];
+    const notAuthorized = owner;
+
+    let tokenTransferProxy: ContractInstance;
+    let tokenRegistry: ContractInstance;
+    let rep: ContractInstance;
+    let dmyBalances: Balances;
+
+    before(async () => {
+        [tokenTransferProxy, tokenRegistry] = await Promise.all([
+            TokenTransferProxy.deployed(),
+            TokenRegistry.deployed(),
+        ]);
+        const repAddress = await tokenRegistry.getTokenAddressBySymbol('REP');
+        rep = DummyToken.at(repAddress);
+
+        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}),
+        ]);
+    });
+
+    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.INVALID_OPCODE);
+        });
+
+        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));
+        });
+    });
+});