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New demos for Python packages (#1734)

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End-to-end demos of constructing and signing an order and submitting it to a Relayer.  Docs are generated from the code, and include usage examples that are verified through automated testing.
This commit is contained in:
Michael Huang
2019-03-26 18:07:04 -05:00
committed by F. Eugene Aumson
parent 28c4ca73ab
commit 3099ba71eb
33 changed files with 872 additions and 697 deletions
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50
python-packages/order_utils/src/zero_ex/order_utils/__init__.py
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@@ -6,7 +6,55 @@ For local testing one may construct such a provider pointing at an instance of
contracts deployed on it. For convenience, a docker container is provided for
just this purpose. To start it:
`docker run -d -p 8545:8545 0xorg/ganache-cli:2.2.2`:code:.
"""
Creating a 0x Order
--------------------
Here is a short demonstration on how to create a 0x order.
>>> import pprint
>>> from zero_ex.contract_addresses import (
... NETWORK_TO_ADDRESSES, NetworkId)
>>> from zero_ex.order_utils import asset_data_utils, Order
>>> NULL_ADDRESS = "0x0000000000000000000000000000000000000000"
>>> my_address = "0x5409ed021d9299bf6814279a6a1411a7e866a631"
>>> exchange_address = NETWORK_TO_ADDRESSES[NetworkId.MAINNET].exchange
>>> weth_address = NETWORK_TO_ADDRESSES[NetworkId.MAINNET].ether_token
>>> zrx_address = NETWORK_TO_ADDRESSES[NetworkId.MAINNET].zrx_token
>>> maker_asset_data = (
... asset_data_utils.encode_erc20_asset_data(weth_address))
>>> taker_asset_data = (
... asset_data_utils.encode_erc20_asset_data(zrx_address))
>>> example_order: Order = {
... "makerAddress": my_address,
... "takerAddress": NULL_ADDRESS,
... "exchangeAddress": exchange_address,
... "senderAddress": NULL_ADDRESS,
... "feeRecipientAddress": NULL_ADDRESS,
... "makerAssetData": maker_asset_data,
... "takerAssetData": taker_asset_data,
... "salt": 123456789,
... "makerFee": 0,
... "takerFee": 0,
... "makerAssetAmount": 1 * 10 ** 18, # Converting token amount to base unit with 18 decimals
... "takerAssetAmount": 500 * 10 ** 18, # Converting token amount to base unit with 18 decimals
... "expirationTimeSeconds": 1553553429,
... }
>>> pprint.pprint(example_order)
{'exchangeAddress': '0x4f833a24e1f95d70f028921e27040ca56e09ab0b',
'expirationTimeSeconds': 1553553429,
'feeRecipientAddress': '0x0000000000000000000000000000000000000000',
'makerAddress': '0x5409ed021d9299bf6814279a6a1411a7e866a631',
'makerAssetAmount': 1000000000000000000,
'makerAssetData': '0xf47261b0000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2',
'makerFee': 0,
'salt': 123456789,
'senderAddress': '0x0000000000000000000000000000000000000000',
'takerAddress': '0x0000000000000000000000000000000000000000',
'takerAssetAmount': 500000000000000000000,
'takerAssetData': '0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498',
'takerFee': 0}
""" # noqa E501
from copy import copy
from enum import auto, Enum