Demonstrate calling contracts with tuple arrays (#1615)

python-packages/contract_demo/test/test_exchange.py

@@ -63,3 +63,55 @@ def test_get_order_info():
 
     assert isinstance(order_info.order_taker_asset_filled_amount, int)
     assert order_info.order_taker_asset_filled_amount == 0
+
+
+def test_get_orders_info():
+    """Demonstrate Exchange.getOrderInfo()."""
+    order: Order = {
+        "makerAddress": "0x0000000000000000000000000000000000000000",
+        "takerAddress": "0x0000000000000000000000000000000000000000",
+        "feeRecipientAddress": "0x0000000000000000000000000000000000000000",
+        "senderAddress": "0x0000000000000000000000000000000000000000",
+        "makerAssetAmount": 1000000000000000000,
+        "takerAssetAmount": 1000000000000000000,
+        "makerFee": 0,
+        "takerFee": 0,
+        "expirationTimeSeconds": 12345,
+        "salt": 12345,
+        "makerAssetData": (b"\x00") * 20,
+        "takerAssetData": (b"\x00") * 20,
+    }
+
+    web3_instance = Web3(Web3.HTTPProvider("http://127.0.0.1:8545"))
+
+    # false positive from pylint: disable=no-member
+    contract_address = NETWORK_TO_ADDRESSES[
+        NetworkId(int(web3_instance.net.version))
+    ].exchange
+
+    assert_valid(
+        order_to_jsdict(order, exchange_address=contract_address),
+        "/orderSchema",
+    )
+
+    # false positive from pylint: disable=no-member
+    exchange: datatypes.Contract = web3_instance.eth.contract(
+        address=to_checksum_address(contract_address),
+        abi=zero_ex.contract_artifacts.abi_by_name("Exchange"),
+    )
+
+    orders_info = exchange.call().getOrdersInfo([order])
+
+    for order_info in orders_info:
+        order_info = OrderInfo(*order_info)
+        assert isinstance(order_info.order_status, int)
+        assert order_info.order_status == 4
+
+        assert isinstance(order_info.order_hash, bytes)
+        assert order_info.order_hash.hex() == generate_order_hash_hex(
+            order,
+            exchange_address=NETWORK_TO_ADDRESSES[NetworkId.GANACHE].exchange,
+        )
+
+        assert isinstance(order_info.order_taker_asset_filled_amount, int)
+        assert order_info.order_taker_asset_filled_amount == 0

python-packages/order_utils/setup.py

@@ -168,12 +168,12 @@ setup(
         "0x-contract-addresses",
         "0x-contract-artifacts",
         "0x-json-schemas",
+        "0x-web3",
         "eth-abi",
         "eth_utils",
         "hypothesis>=3.31.2",  # HACK! this is web3's dependency!
         # above works around https://github.com/ethereum/web3.py/issues/1179
         "mypy_extensions",
-        "web3",
     ],
     extras_require={
         "dev": [