[Contract-wrappers] Exchange execute transaction encoder

1 files changed, 113 insertions, 0 deletions

diff --git a/packages/contract-wrappers/test/execute_transaction_encoder_test.ts b/packages/contract-wrappers/test/execute_transaction_encoder_test.ts
new file mode 100644
index 000000000..13635dfb8
--- /dev/null
+++ b/packages/contract-wrappers/test/execute_transaction_encoder_test.ts
@@ -0,0 +1,113 @@
+import { BlockchainLifecycle } from '@0xproject/dev-utils';
+import { FillScenarios } from '@0xproject/fill-scenarios';
+import { assetDataUtils, ecSignOrderHashAsync, generatePseudoRandomSalt } from '@0xproject/order-utils';
+import { SignedOrder, SignerType } from '@0xproject/types';
+import { BigNumber } from '@0xproject/utils';
+import * as chai from 'chai';
+import 'mocha';
+
+import { ContractWrappers } from '../src';
+
+import { chaiSetup } from './utils/chai_setup';
+import { constants } from './utils/constants';
+import { tokenUtils } from './utils/token_utils';
+import { provider, web3Wrapper } from './utils/web3_wrapper';
+
+chaiSetup.configure();
+const expect = chai.expect;
+const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
+
+describe('ExecuteTransactionEncoder', () => {
+    let contractWrappers: ContractWrappers;
+    let userAddresses: string[];
+    let zrxTokenAddress: string;
+    let fillScenarios: FillScenarios;
+    let exchangeContractAddress: string;
+    let makerTokenAddress: string;
+    let takerTokenAddress: string;
+    let coinbase: string;
+    let makerAddress: string;
+    let senderAddress: string;
+    let takerAddress: string;
+    let makerAssetData: string;
+    let takerAssetData: string;
+    let feeRecipient: string;
+    let txHash: string;
+    const fillableAmount = new BigNumber(5);
+    const takerTokenFillAmount = new BigNumber(5);
+    let signedOrder: SignedOrder;
+    let anotherSignedOrder: SignedOrder;
+    const config = {
+        networkId: constants.TESTRPC_NETWORK_ID,
+        blockPollingIntervalMs: 0,
+    };
+    before(async () => {
+        await blockchainLifecycle.startAsync();
+        contractWrappers = new ContractWrappers(provider, config);
+        exchangeContractAddress = contractWrappers.exchange.getContractAddress();
+        userAddresses = await web3Wrapper.getAvailableAddressesAsync();
+        zrxTokenAddress = tokenUtils.getProtocolTokenAddress();
+        fillScenarios = new FillScenarios(
+            provider,
+            userAddresses,
+            zrxTokenAddress,
+            exchangeContractAddress,
+            contractWrappers.erc20Proxy.getContractAddress(),
+            contractWrappers.erc721Proxy.getContractAddress(),
+        );
+        [coinbase, makerAddress, takerAddress, feeRecipient, senderAddress] = userAddresses;
+        [makerTokenAddress, takerTokenAddress] = tokenUtils.getDummyERC20TokenAddresses();
+        [makerAssetData, takerAssetData] = [
+            assetDataUtils.encodeERC20AssetData(makerTokenAddress),
+            assetDataUtils.encodeERC20AssetData(takerTokenAddress),
+        ];
+        signedOrder = await fillScenarios.createFillableSignedOrderAsync(
+            makerAssetData,
+            takerAssetData,
+            makerAddress,
+            takerAddress,
+            fillableAmount,
+        );
+        anotherSignedOrder = await fillScenarios.createFillableSignedOrderAsync(
+            makerAssetData,
+            takerAssetData,
+            makerAddress,
+            takerAddress,
+            fillableAmount,
+        );
+    });
+    after(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
+    beforeEach(async () => {
+        await blockchainLifecycle.startAsync();
+    });
+    afterEach(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
+    describe('encoder', () => {
+        describe('#fillOrderAsync', () => {
+            it('should fill a valid order', async () => {
+                const encoder = await contractWrappers.exchange.executeTransactionEncoderAsync();
+                const salt = generatePseudoRandomSalt();
+                const signerAddress = takerAddress;
+                const data = encoder.fillOrder(signedOrder, takerTokenFillAmount);
+                const encodedTransaction = encoder.getExecuteTransactionHex(data, salt, signerAddress);
+                const signature = await ecSignOrderHashAsync(
+                    provider,
+                    encodedTransaction,
+                    signerAddress,
+                    SignerType.Default,
+                );
+                txHash = await contractWrappers.exchange.executeTransactionAsync(
+                    salt,
+                    signerAddress,
+                    data,
+                    signature,
+                    senderAddress,
+                );
+                await web3Wrapper.awaitTransactionSuccessAsync(txHash, constants.AWAIT_TRANSACTION_MINED_MS);
+            });
+        });
+    });
+});