2 files changed, 43 insertions, 1 deletions
diff --git a/test/utils/blockchain_lifecycle.ts b/test/utils/blockchain_lifecycle.ts
index 68e169ac0..50eb57b95 100644
--- a/test/utils/blockchain_lifecycle.ts
+++ b/test/utils/blockchain_lifecycle.ts
@@ -17,4 +17,4 @@ export class BlockchainLifecycle {
             throw new Error(`Snapshot with id #${this.snapshotId} failed to revert`);
         }
     }
-};
+}
diff --git a/test/utils/order.ts b/test/utils/order.ts
new file mode 100644
index 000000000..d775dc616
--- /dev/null
+++ b/test/utils/order.ts
@@ -0,0 +1,42 @@
+import {SignedOrder, Token} from '../../src/types';
+import * as BigNumber from 'bignumber.js';
+import * as _ from 'lodash';
+import {ZeroEx} from '../../src/0x.js';
+import {constants} from './constants';
+
+export async function createSignedOrder(
+    zeroEx: ZeroEx,
+    tokens: Token[],
+    makerTokenAmount: BigNumber.BigNumber|number,
+    makerTokenSymbol: string,
+    takerTokenAmount: BigNumber.BigNumber|number,
+    takerTokenSymbol: string): Promise<SignedOrder> {
+    // TODO: fetch properly
+    const EXCHANGE_ADDRESS = '0xb69e673309512a9d726f87304c6984054f87a93b';
+    const INF_TIMESTAMP = 2524604400;
+    const makerToken = _.find(tokens, {symbol: makerTokenSymbol});
+    const takerToken = _.find(tokens, {symbol: takerTokenSymbol});
+    if (_.isUndefined(makerToken)) {
+        throw new Error(`Token ${makerTokenSymbol} not found`);
+    }
+    if (_.isUndefined(takerToken)) {
+        throw new Error(`Token ${takerTokenSymbol} not found`);
+    }
+    const order = {
+        maker: '0x5409ed021d9299bf6814279a6a1411a7e866a631',
+        taker: undefined,
+        makerFee: new BigNumber(0),
+        takerFee: new BigNumber(0),
+        makerTokenAmount: _.isNumber(makerTokenAmount) ? new BigNumber(makerTokenAmount) : makerTokenAmount,
+        takerTokenAmount: _.isNumber(takerTokenAmount) ? new BigNumber(takerTokenAmount) : takerTokenAmount,
+        makerTokenAddress: makerToken.address,
+        takerTokenAddress: takerToken.address,
+        salt: ZeroEx.generatePseudoRandomSalt(),
+        feeRecipient: constants.NULL_ADDRESS,
+        expirationUnixTimestampSec: new BigNumber(INF_TIMESTAMP),
+    };
+    const orderHash = ZeroEx.getOrderHashHex(EXCHANGE_ADDRESS, order);
+    const ecSignature = await zeroEx.signOrderHashAsync(orderHash);
+    const signedOrder: SignedOrder = _.assign(order, {ecSignature});
+    return signedOrder;
+}