conduit.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# jupyter/base-notebook on Binder\n",
    "\n",
    "Run the cells below to inspect what's in the [jupyter/base-notebook](https://jupyter-docker-stacks.readthedocs.io/en/latest/using/selecting.html#jupyter-base-notebook) image from the Jupyter Docker Stacks project. \n",
    "\n",
    "Click here to open a [JupyterLab](../lab) tab. Click here to open a [Classic Notebook](../notebooks) tab."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
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      "  Downloading https://files.pythonhosted.org/packages/9b/38/5869a6df6cc18248b742387e5668fc5c643ed5b7277e7a3397588fda79cb/0x_json_schemas-2.0.0-py3-none-any.whl\n",
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      "  Downloading https://files.pythonhosted.org/packages/f3/1f/1241aa3d66e8dc1612427b17885f5fcd9c9ee3079fc0d28e9a3aeeb36fa3/stringcase-1.2.0.tar.gz\n",
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      "Building wheels for collected packages: stringcase\n",
      "  Building wheel for stringcase (setup.py) ... \u001b[?25ldone\n",
      "\u001b[?25h  Created wheel for stringcase: filename=stringcase-1.2.0-cp37-none-any.whl size=3578 sha256=368482857b33a7e26f66c598efd70fe66986b23fbd50a20db72befc411078bee\n",
      "  Stored in directory: /home/jovyan/.cache/pip/wheels/a0/16/a0/16e2c81dbd47503b5a35583dfabde5a93b4cf98dbf0033dad5\n",
      "Successfully built stringcase\n",
      "Installing collected packages: stringcase, 0x-json-schemas\n",
      "Successfully installed 0x-json-schemas-2.0.0 stringcase-1.2.0\n",
      "Collecting 0x-order-utils\n",
      "  Downloading https://files.pythonhosted.org/packages/67/8b/7521993655dff95a284880013efb45e8e859ede637721061c29875cf8314/0x_order_utils-3.0.1-py3-none-any.whl\n",
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      "Collecting eth-utils (from 0x-order-utils)\n",
      "  Downloading https://files.pythonhosted.org/packages/23/29/c16756df83d34c786c78b3fe258169bfab75aa793338049e42b077cf1b4a/eth_utils-1.6.4-py3-none-any.whl\n",
      "Collecting deprecated (from 0x-order-utils)\n",
      "  Downloading https://files.pythonhosted.org/packages/88/0e/9d5a1a8cd7130c49334cce7b8167ceda63d6a329c8ea65b626116bc9e9e6/Deprecated-1.2.6-py2.py3-none-any.whl\n",
      "Collecting web3 (from 0x-order-utils)\n",
      "\u001b[?25l  Downloading https://files.pythonhosted.org/packages/65/d2/c1ff1a04d540f9a9d4485dc9b888c830b28ee4c7581dea56dc663eb88259/web3-5.0.2-py3-none-any.whl (433kB)\n",
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      "\u001b[?25hCollecting eth-abi (from 0x-order-utils)\n",
      "  Downloading https://files.pythonhosted.org/packages/f1/ae/ba7616550d65ef7a54a98d2f34947109740b319f79f8320bed082a985b55/eth_abi-2.0.0-py3-none-any.whl\n",
      "Collecting 0x-contract-artifacts (from 0x-order-utils)\n",
      "\u001b[?25l  Downloading https://files.pythonhosted.org/packages/4b/ab/1df6cee9478914fc9119e9f7fe0463d4a57e63149aa70c496cce48457c07/0x_contract_artifacts-2.0.0-py3-none-any.whl (65kB)\n",
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      "Collecting eth-hash<1.0.0,>=0.1.0 (from eth-utils->0x-order-utils)\n",
      "  Downloading https://files.pythonhosted.org/packages/0d/d8/0f0c8d4ccaa4c8d25524fd1ed9f5c6d9551b52b74b973f338de3f0a23111/eth_hash-0.2.0-py3-none-any.whl\n",
      "Collecting eth-typing<3.0.0,>=1.0.0 (from eth-utils->0x-order-utils)\n",
      "  Downloading https://files.pythonhosted.org/packages/3e/8e/45c4779d98e43c166738a606b021f32a7a70c4c0d8c524c28f0703325409/eth_typing-2.1.0-py3-none-any.whl\n",
      "Collecting cytoolz<1.0.0,>=0.8.2; implementation_name == \"cpython\" (from eth-utils->0x-order-utils)\n",
      "\u001b[?25l  Downloading https://files.pythonhosted.org/packages/23/0d/14181131b886eee3bbc6c07c2e7469bd1d764c429644824a7dc3f8628a98/cytoolz-0.10.0.tar.gz (475kB)\n",
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      "\u001b[?25hCollecting wrapt<2,>=1.10 (from deprecated->0x-order-utils)\n",
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      "\u001b[?25l  Downloading https://files.pythonhosted.org/packages/17/30/0c54ed165f880a7f99eb75d63588ebd09f3da21faa6effd9e42dca987cd8/ipfshttpclient-0.4.12-py2.py3-none-any.whl (157kB)\n",
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      "Collecting eth-account<0.5.0,>=0.4.0 (from web3->0x-order-utils)\n",
      "  Downloading https://files.pythonhosted.org/packages/08/b2/b000adde76e780ba072d75e534ebfe9d44f0d68f429d3757ae9a85e9bd0b/eth_account-0.4.0-py3-none-any.whl\n",
      "Collecting websockets<8.0.0,>=7.0.0 (from web3->0x-order-utils)\n",
      "\u001b[?25l  Downloading https://files.pythonhosted.org/packages/aa/53/1dbfbe51e8ba9a2b9bc0b7201df77fe597f1e57b6b5d9bb094d3729aeecf/websockets-7.0-cp37-cp37m-manylinux1_x86_64.whl (63kB)\n",
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      "\u001b[?25hCollecting hexbytes<1.0.0,>=0.1.0 (from web3->0x-order-utils)\n",
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      "Collecting protobuf<4,>=3.0.0 (from web3->0x-order-utils)\n",
      "\u001b[?25l  Downloading https://files.pythonhosted.org/packages/30/fd/60ce148d8e4205bdf6da4ffec31348fd33f710c20a882b44319d54fd51ae/protobuf-3.9.1-cp37-cp37m-manylinux1_x86_64.whl (1.2MB)\n",
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      "\u001b[?25hCollecting lru-dict<2.0.0,>=1.1.6 (from web3->0x-order-utils)\n",
      "  Downloading https://files.pythonhosted.org/packages/00/a5/32ed6e10246cd341ca8cc205acea5d208e4053f48a4dced2b1b31d45ba3f/lru-dict-1.1.6.tar.gz\n",
      "Collecting parsimonious<0.9.0,>=0.8.0 (from eth-abi->0x-order-utils)\n",
      "\u001b[?25l  Downloading https://files.pythonhosted.org/packages/02/fc/067a3f89869a41009e1a7cdfb14725f8ddd246f30f63c645e8ef8a1c56f4/parsimonious-0.8.1.tar.gz (45kB)\n",
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      "Requirement already satisfied: setuptools in /srv/conda/envs/notebook/lib/python3.7/site-packages (from jsonschema->0x-json-schemas->0x-order-utils) (41.0.1)\n",
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      "Collecting toolz>=0.8.0 (from cytoolz<1.0.0,>=0.8.2; implementation_name == \"cpython\"->eth-utils->0x-order-utils)\n",
      "\u001b[?25l  Downloading https://files.pythonhosted.org/packages/22/8e/037b9ba5c6a5739ef0dcde60578c64d49f45f64c5e5e886531bfbc39157f/toolz-0.10.0.tar.gz (49kB)\n",
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      "\u001b[?25hCollecting multiaddr>=0.0.7 (from ipfshttpclient<1,>=0.4.12->web3->0x-order-utils)\n",
      "  Downloading https://files.pythonhosted.org/packages/ae/6f/f0f4a43617a90bfa7ec2b15fde5ab0723035b7f8f0cdc08f0476454d1840/multiaddr-0.0.8-py2.py3-none-any.whl\n",
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     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Requirement already satisfied: urllib3!=1.25.0,!=1.25.1,<1.26,>=1.21.1 in /srv/conda/envs/notebook/lib/python3.7/site-packages (from requests<3.0.0,>=2.16.0->web3->0x-order-utils) (1.25.3)\n",
      "Collecting eth-rlp<1,>=0.1.2 (from eth-account<0.5.0,>=0.4.0->web3->0x-order-utils)\n",
      "  Downloading https://files.pythonhosted.org/packages/56/4b/b309fb44dd9bb975e84f3d626392eec1eeed0108e55a51cd7dd8956a73ad/eth_rlp-0.1.2-py3-none-any.whl\n",
      "Collecting eth-keyfile<0.6.0,>=0.5.0 (from eth-account<0.5.0,>=0.4.0->web3->0x-order-utils)\n",
      "  Downloading https://files.pythonhosted.org/packages/eb/a5/3615d100b62fbf20fe5d5c0d1d4d7326eac861d260b0cd2a36af2bf8ccb1/eth_keyfile-0.5.1-py3-none-any.whl\n",
      "Collecting eth-keys<0.3.0,>=0.2.1 (from eth-account<0.5.0,>=0.4.0->web3->0x-order-utils)\n",
      "  Downloading https://files.pythonhosted.org/packages/61/4f/d8e778e377e0b9287b5ffc7ecc4e3b1e9d3045030d391acc7328e23708f2/eth_keys-0.2.4-py3-none-any.whl\n",
      "Collecting rlp<2,>=1.0.0 (from eth-account<0.5.0,>=0.4.0->web3->0x-order-utils)\n",
      "  Downloading https://files.pythonhosted.org/packages/54/d4/3013691b8c4702cb1c3253be643f2cef12e9bee93e134694e6dab83f41e2/rlp-1.1.0-py2.py3-none-any.whl\n",
      "Collecting attrdict<3,>=2.0.0 (from eth-account<0.5.0,>=0.4.0->web3->0x-order-utils)\n",
      "  Downloading https://files.pythonhosted.org/packages/ef/97/28fe7e68bc7adfce67d4339756e85e9fcf3c6fd7f0c0781695352b70472c/attrdict-2.0.1-py2.py3-none-any.whl\n",
      "Collecting varint (from multiaddr>=0.0.7->ipfshttpclient<1,>=0.4.12->web3->0x-order-utils)\n",
      "  Downloading https://files.pythonhosted.org/packages/a8/fe/1ea0ba0896dfa47186692655b86db3214c4b7c9e0e76c7b1dc257d101ab1/varint-1.0.2.tar.gz\n",
      "Collecting netaddr (from multiaddr>=0.0.7->ipfshttpclient<1,>=0.4.12->web3->0x-order-utils)\n",
      "\u001b[?25l  Downloading https://files.pythonhosted.org/packages/ba/97/ce14451a9fd7bdb5a397abf99b24a1a6bb7a1a440b019bebd2e9a0dbec74/netaddr-0.7.19-py2.py3-none-any.whl (1.6MB)\n",
      "\u001b[K     |████████████████████████████████| 1.6MB 42.5MB/s eta 0:00:01\n",
      "\u001b[?25hCollecting base58 (from multiaddr>=0.0.7->ipfshttpclient<1,>=0.4.12->web3->0x-order-utils)\n",
      "  Downloading https://files.pythonhosted.org/packages/09/b2/21ac9591f055acc145afead895edeb73bbd69d95cf366fc5c2233f2434cb/base58-1.0.3-py3-none-any.whl\n",
      "Collecting pycryptodome<4.0.0,>=3.4.7 (from eth-keyfile<0.6.0,>=0.5.0->eth-account<0.5.0,>=0.4.0->web3->0x-order-utils)\n",
      "\u001b[?25l  Downloading https://files.pythonhosted.org/packages/4b/43/b6df7cd1354cc03c80cb972d5930b1adc209c717e9141883ca9026314eda/pycryptodome-3.8.2-cp37-cp37m-manylinux1_x86_64.whl (9.6MB)\n",
      "\u001b[K     |████████████████████████████████| 9.6MB 20.9MB/s eta 0:00:01\n",
      "\u001b[?25hBuilding wheels for collected packages: cytoolz, wrapt, lru-dict, parsimonious, toolz, varint\n",
      "  Building wheel for cytoolz (setup.py) ... \u001b[?25ldone\n",
      "\u001b[?25h  Created wheel for cytoolz: filename=cytoolz-0.10.0-cp37-cp37m-linux_x86_64.whl size=1256789 sha256=6038037237bd4173f0160bc0184c225f696515b094e3957e667fc19ca67ba934\n",
      "  Stored in directory: /home/jovyan/.cache/pip/wheels/3f/68/4c/e5eb1090d13b63298c3c9a91339039f2bf2746c75b3e9d2c1d\n",
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      "\u001b[?25h  Created wheel for wrapt: filename=wrapt-1.11.2-cp37-cp37m-linux_x86_64.whl size=70704 sha256=56d611afaca293268a4e844b086d1997b682a185ee6710ab8cb684d84a06eea2\n",
      "  Stored in directory: /home/jovyan/.cache/pip/wheels/d7/de/2e/efa132238792efb6459a96e85916ef8597fcb3d2ae51590dfd\n",
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      "\u001b[?25h  Created wheel for lru-dict: filename=lru_dict-1.1.6-cp37-cp37m-linux_x86_64.whl size=28885 sha256=cda8a6bc865856d0dea7d1561cfe3966fbdbc97c63c187a28bc997082e15fece\n",
      "  Stored in directory: /home/jovyan/.cache/pip/wheels/b7/ef/06/fbdd555907a7d438fb33e4c8675f771ff1cf41917284c51ebf\n",
      "  Building wheel for parsimonious (setup.py) ... \u001b[?25ldone\n",
      "\u001b[?25h  Created wheel for parsimonious: filename=parsimonious-0.8.1-cp37-none-any.whl size=42710 sha256=09685e28c341c753f3cf8d56c4a904f6449b8a20ab5d13782f454ef3b5237ae8\n",
      "  Stored in directory: /home/jovyan/.cache/pip/wheels/b7/8d/e7/a0e74217da5caeb3c1c7689639b6d28ddbf9985b840bc96a9a\n",
      "  Building wheel for toolz (setup.py) ... \u001b[?25ldone\n",
      "\u001b[?25h  Created wheel for toolz: filename=toolz-0.10.0-cp37-none-any.whl size=55577 sha256=34a5ed1efce5f46cc1748e52db0eb574f7eed7904828a5a7f1199e8d5b191b4e\n",
      "  Stored in directory: /home/jovyan/.cache/pip/wheels/e1/8b/65/3294e5b727440250bda09e8c0153b7ba19d328f661605cb151\n",
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      "\u001b[?25h  Created wheel for varint: filename=varint-1.0.2-cp37-none-any.whl size=1980 sha256=fc3d2ec2ebb845f4bd945cc86d10f5b911948e2f027e9a0c9b0a877342338601\n",
      "  Stored in directory: /home/jovyan/.cache/pip/wheels/87/62/fe/15e506bdde650fdd4e63d3eb91a1c3582ff1ee450e88e89d9e\n",
      "Successfully built cytoolz wrapt lru-dict parsimonious toolz varint\n",
      "\u001b[31mERROR: web3 5.0.2 has requirement jsonschema<3,>=2.6.0, but you'll have jsonschema 3.0.1 which is incompatible.\u001b[0m\n",
      "Installing collected packages: eth-hash, eth-typing, toolz, cytoolz, eth-utils, wrapt, deprecated, parsimonious, eth-abi, varint, netaddr, base58, multiaddr, ipfshttpclient, rlp, hexbytes, eth-rlp, pycryptodome, eth-keys, eth-keyfile, attrdict, eth-account, websockets, protobuf, lru-dict, web3, 0x-contract-artifacts, 0x-order-utils\n",
      "Successfully installed 0x-contract-artifacts-2.0.0 0x-order-utils-3.0.1 attrdict-2.0.1 base58-1.0.3 cytoolz-0.10.0 deprecated-1.2.6 eth-abi-2.0.0 eth-account-0.4.0 eth-hash-0.2.0 eth-keyfile-0.5.1 eth-keys-0.2.4 eth-rlp-0.1.2 eth-typing-2.1.0 eth-utils-1.6.4 hexbytes-0.2.0 ipfshttpclient-0.4.12 lru-dict-1.1.6 multiaddr-0.0.8 netaddr-0.7.19 parsimonious-0.8.1 protobuf-3.9.1 pycryptodome-3.8.2 rlp-1.1.0 toolz-0.10.0 varint-1.0.2 web3-5.0.2 websockets-7.0 wrapt-1.11.2\n",
      "Collecting 0x-sra-client\n",
      "\u001b[?25l  Downloading https://files.pythonhosted.org/packages/d3/88/8be3527feb86e011a6cfd74e072f6ac769a1a7bde5d9d9bc674edd60cacf/0x_sra_client-3.0.0-py3-none-any.whl (52kB)\n",
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      "\u001b[?25hRequirement already satisfied: certifi in /srv/conda/envs/notebook/lib/python3.7/site-packages (from 0x-sra-client) (2019.6.16)\n",
      "Requirement already satisfied: urllib3>=1.15 in /srv/conda/envs/notebook/lib/python3.7/site-packages (from 0x-sra-client) (1.25.3)\n",
      "Requirement already satisfied: six>=1.10 in /srv/conda/envs/notebook/lib/python3.7/site-packages (from 0x-sra-client) (1.12.0)\n",
      "Requirement already satisfied: python-dateutil in /srv/conda/envs/notebook/lib/python3.7/site-packages (from 0x-sra-client) (2.8.0)\n",
      "Installing collected packages: 0x-sra-client\n",
      "Successfully installed 0x-sra-client-3.0.0\n",
      "Requirement already satisfied: 0x-contract-artifacts in /srv/conda/envs/notebook/lib/python3.7/site-packages (2.0.0)\n",
      "Requirement already satisfied: mypy-extensions in /srv/conda/envs/notebook/lib/python3.7/site-packages (from 0x-contract-artifacts) (0.4.1)\n"
     ]
    }
   ],
   "source": [
    "!pip install 0x-contract-addresses\n",
    "!pip install 0x-json-schemas\n",
    "!pip install 0x-order-utils\n",
    "!pip install 0x-sra-client\n",
    "!pip install 0x-contract-artifacts\n",
    "# !pip install "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [
    {
     "ename": "KeyError",
     "evalue": "'TAG'",
     "output_type": "error",
     "traceback": [
      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[0;31mKeyError\u001b[0m                                  Traceback (most recent call last)",
      "\u001b[0;32m<ipython-input-13-567837859396>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[1;32m      1\u001b[0m \u001b[0;32mimport\u001b[0m \u001b[0mos\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 2\u001b[0;31m \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34mf'This container is using tag {os.environ[\"TAG\"]} of the jupyter/base-notebook image'\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
      "\u001b[0;32m/srv/conda/envs/notebook/lib/python3.7/os.py\u001b[0m in \u001b[0;36m__getitem__\u001b[0;34m(self, key)\u001b[0m\n\u001b[1;32m    676\u001b[0m         \u001b[0;32mexcept\u001b[0m \u001b[0mKeyError\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    677\u001b[0m             \u001b[0;31m# raise KeyError with the original key value\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 678\u001b[0;31m             \u001b[0;32mraise\u001b[0m \u001b[0mKeyError\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mkey\u001b[0m\u001b[0;34m)\u001b[0m \u001b[0;32mfrom\u001b[0m \u001b[0;32mNone\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    679\u001b[0m         \u001b[0;32mreturn\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mdecodevalue\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mvalue\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    680\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;31mKeyError\u001b[0m: 'TAG'"
     ]
    }
   ],
   "source": [
    "import os\n",
    "print(f'This container is using tag {os.environ[\"TAG\"]} of the jupyter/base-notebook image')"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "The notebook server is running as the following user."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "uid=1000(jovyan) gid=1000(jovyan) groups=1000(jovyan),100(users)\r\n"
     ]
    }
   ],
   "source": [
    "!id"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<img src=\"https://github.com/0xProject/branding/blob/master/0x%20Logo/PNG/0x-Logo-Black.png\" width=\"150px\" >\r\n",
      "\r\n",
      "---\r\n",
      "\r\n",
      "[0x][website-url] is an open protocol that facilitates trustless, low friction exchange of Ethereum-based assets. For more information on how it works, check out the [0x protocol specification](https://github.com/0xProject/0x-protocol-specification/blob/master/v2/v2-specification.md).\r\n",
      "\r\n",
      "This repository is a monorepo including the 0x protocol smart contracts and numerous developer tools. Each public sub-package is independently published to NPM.\r\n",
      "\r\n",
      "If you're developing on 0x now or are interested in using 0x infrastructure in the future, please join our [developer mailing list][dev-mailing-list-url] for updates.\r\n",
      "\r\n",
      "[website-url]: https://0xproject.com\r\n",
      "[whitepaper-url]: https://0xproject.com/pdfs/0x_white_paper.pdf\r\n",
      "[dev-mailing-list-url]: http://eepurl.com/dx4cPf\r\n",
      "\r\n",
      "[![CircleCI](https://circleci.com/gh/0xProject/0x-monorepo.svg?style=svg&circle-token=61bf7cd8c9b4e11b132089dfcffdd1be277d1e0c)](https://circleci.com/gh/0xProject/0x-monorepo)\r\n",
      "[![Coverage Status](https://coveralls.io/repos/github/0xProject/0x-monorepo/badge.svg?branch=development)](https://coveralls.io/github/0xProject/0x-monorepo?branch=development)\r\n",
      "[![Discord](https://img.shields.io/badge/chat-rocket.chat-yellow.svg?style=flat)](https://chat.0xproject.com)\r\n",
      "[![Join the chat at https://gitter.im/0xProject/Lobby](https://badges.gitter.im/0xProject/Lobby.svg)](https://gitter.im/0xProject/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)\r\n",
      "[![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)\r\n",
      "\r\n",
      "## Packages\r\n",
      "\r\n",
      "Visit our [developer portal](https://0xproject.com/docs/order-utils) for a comprehensive list of core & community maintained packages. All packages maintained with this monorepo are listed below.\r\n",
      "\r\n",
      "### Python Packages\r\n",
      "\r\n",
      "| Package                                                        | Version                                                                                                             | Description                                                                                       |\r\n",
      "| -------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------- |\r\n",
      "| [`0x-contract-addresses`](/python-packages/contract_addresses) | [![PyPI](https://img.shields.io/pypi/v/0x-contract-addresses.svg)](https://pypi.org/project/0x-contract-addresses/) | A tiny utility library for getting known deployed contract addresses for a particular network     |\r\n",
      "| [`0x-contract-artifacts`](/python-packages/contract_artifacts) | [![PyPI](https://img.shields.io/pypi/v/0x-contract-artifacts.svg)](https://pypi.org/project/0x-contract-artifacts/) | 0x smart contract compilation artifacts                                                           |\r\n",
      "| [`0x-json-schemas`](/python-packages/json_schemas)             | [![PyPI](https://img.shields.io/pypi/v/0x-json-schemas.svg)](https://pypi.org/project/0x-json-schemas/)             | 0x-related JSON schemas                                                                           |\r\n",
      "| [`0x-order-utils`](/python-packages/order_utils)               | [![PyPI](https://img.shields.io/pypi/v/0x-order-utils.svg)](https://pypi.org/project/0x-order-utils/)               | A set of utilities for generating, parsing, signing and validating 0x orders                      |\r\n",
      "| [`0x-sra-client`](/python-packages/sra_client)                 | [![PyPI](https://img.shields.io/pypi/v/0x-sra-client.svg)](https://pypi.org/project/0x-sra-client/)                 | A Python client for interacting with servers conforming to the Standard Relayer API specification |\r\n",
      "\r\n",
      "### Solidity Packages\r\n",
      "\r\n",
      "These packages are all under development. See [/contracts/README.md](/contracts/README.md) for a list of deployed packages.\r\n",
      "\r\n",
      "| Package                                                             | Version                                                                                                                                     | Description                                                                                                                                                                                                                                           |\r\n",
      "| ------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\r\n",
      "| [`@0x/contracts-asset-proxy`](/contracts/asset-proxy)               | [![npm](https://img.shields.io/npm/v/@0x/contracts-asset-proxy.svg)](https://www.npmjs.com/package/@0x/contracts-asset-proxy)               | [`AssetProxy`](https://github.com/0xProject/0x-protocol-specification/blob/master/v2/v2-specification.md#assetproxy) contracts used within the protocol                                                                                               |\r\n",
      "| [`@0x/contracts-erc20`](/contracts/erc20)                           | [![npm](https://img.shields.io/npm/v/@0x/contracts-erc20.svg)](https://www.npmjs.com/package/@0x/contracts-erc20)                           | Implementations of various ERC20 tokens                                                                                                                                                                                                               |\r\n",
      "| [`@0x/contracts-erc721`](/contracts/erc721)                         | [![npm](https://img.shields.io/npm/v/@0x/contracts-erc721.svg)](https://www.npmjs.com/package/@0x/contracts-erc721)                         | Implementations of various ERC721 tokens                                                                                                                                                                                                              |\r\n",
      "| [`@0x/contracts-erc1155`](/contracts/erc1155)                       | [![npm](https://img.shields.io/npm/v/@0x/contracts-erc1155.svg)](https://www.npmjs.com/package/@0x/contracts-erc1155)                       | Implementations of various ERC1155 tokens                                                                                                                                                                                                             |\r\n",
      "| [`@0x/contracts-exchange`](/contracts/exchange)                     | [![npm](https://img.shields.io/npm/v/@0x/contracts-exchange.svg)](https://www.npmjs.com/package/@0x/contracts-exchange)                     | The [`Exchange`](https://github.com/0xProject/0x-protocol-specification/blob/master/v2/v2-specification.md#exchange) contract used for settling trades within the protocol                                                                            |\r\n",
      "| [`@0x/contracts-exchange-forwarder`](/contracts/exchange-forwarder) | [![npm](https://img.shields.io/npm/v/@0x/contracts-exchange-forwarder.svg)](https://www.npmjs.com/package/@0x/contracts-exchange-forwarder) | A [`Forwarder`](https://github.com/0xProject/0x-protocol-specification/blob/master/v2/forwarder-specification.md) contract used to simplify UX for interacting with the protocol                                                                      |\r\n",
      "| [`@0x/contracts-exchange-libs`](/contracts/exchange-libs)           | [![npm](https://img.shields.io/npm/v/@0x/contracts-exchange-libs.svg)](https://www.npmjs.com/package/@0x/contracts-exchange-libs)           | Protocol specific libraries used within the [`Exchange`](https://github.com/0xProject/0x-protocol-specification/blob/master/v2/v2-specification.md#exchange) contract                                                                                 |\r\n",
      "| [`@0x/contracts-extensions`](/contracts/extensions)                 | [![npm](https://img.shields.io/npm/v/@0x/contracts-extensions.svg)](https://www.npmjs.com/package/@0x/contracts-extensions)                 | Contracts that interact with and extend the functionality of the core protocol                                                                                                                                                                        |\r\n",
      "| [`@0x/contracts-multisig`](/contracts/multisig)                     | [![npm](https://img.shields.io/npm/v/@0x/contracts-multisig.svg)](https://www.npmjs.com/package/@0x/contracts-multisig)                     | Various implementations of multisignature wallets, including the [`AssetProxyOwner`](https://github.com/0xProject/0x-protocol-specification/blob/master/v2/v2-specification.md#assetproxyowner) contract that has permissions to upgrade the protocol |\r\n",
      "| [`@0x/contracts-test-utils`](/contracts/test-utils)                 | [![npm](https://img.shields.io/npm/v/@0x/contracts-test-utils.svg)](https://www.npmjs.com/package/@0x/contracts-test-utils)                 | Typescript/Javascript shared utilities used for testing contracts                                                                                                                                                                                     |\r\n",
      "| [`@0x/contracts-utils`](/contracts/utils)                           | [![npm](https://img.shields.io/npm/v/@0x/contracts-utils.svg)](https://www.npmjs.com/package/@0x/contracts-utils)                           | Generic libraries and utilities used throughout all of the contracts                                                                                                                                                                                  |\r\n",
      "| [`@0x/contracts-coordinator`](/contracts/coordinator)               | [![npm](https://img.shields.io/npm/v/@0x/contracts-coordinator.svg)](https://www.npmjs.com/package/@0x/contracts-coordinator)               | A contract that allows users to execute 0x transactions with permission from a Coordinator                                                                                                                                                            |\r\n",
      "| [`@0x/contracts-dev-utils`](/contracts/dev-utils)                   | [![npm](https://img.shields.io/npm/v/@0x/contracts-dev-utils.svg)](https://www.npmjs.com/package/@0x/contracts-dev-utils)                   | A contract contains utility functions for developers (such as validating many orders using a single eth_call)                                                                                                                                         |\r\n",
      "\r\n",
      "### Typescript/Javascript Packages\r\n",
      "\r\n",
      "#### 0x-specific packages\r\n",
      "\r\n",
      "| Package                                                  | Version                                                                                                                 | Description                                                                                       |\r\n",
      "| -------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------- |\r\n",
      "| [`0x.js`](/packages/0x.js)                               | [![npm](https://img.shields.io/npm/v/0x.js.svg)](https://www.npmjs.com/package/0x.js)                                   | An aggregate package combining many smaller utility packages for interacting with the 0x protocol |\r\n",
      "| [`@0x/contract-addresses`](/packages/contract-addresses) | [![npm](https://img.shields.io/npm/v/@0x/contract-addresses.svg)](https://www.npmjs.com/package/@0x/contract-addresses) | A tiny utility library for getting known deployed contract addresses for a particular network.    |\r\n",
      "| [`@0x/contract-wrappers`](/packages/contract-wrappers)   | [![npm](https://img.shields.io/npm/v/@0x/contract-wrappers.svg)](https://www.npmjs.com/package/@0x/contract-wrappers)   | JS/TS wrappers for interacting with the 0x smart contracts                                        |\r\n",
      "| [`@0x/order-utils`](/packages/order-utils)               | [![npm](https://img.shields.io/npm/v/@0x/order-utils.svg)](https://www.npmjs.com/package/@0x/order-utils)               | A set of utilities for generating, parsing, signing and validating 0x orders                      |\r\n",
      "| [`@0x/json-schemas`](/packages/json-schemas)             | [![npm](https://img.shields.io/npm/v/@0x/json-schemas.svg)](https://www.npmjs.com/package/@0x/json-schemas)             | 0x-related JSON schemas                                                                           |\r\n",
      "| [`@0x/order-watcher`](/packages/order-watcher)           | [![npm](https://img.shields.io/npm/v/@0x/order-watcher.svg)](https://www.npmjs.com/package/@0x/order-watcher)           | An order watcher daemon that watches for order validity                                           |\r\n",
      "| [`@0x/migrations`](/packages/migrations)                 | [![npm](https://img.shields.io/npm/v/@0x/migrations.svg)](https://www.npmjs.com/package/@0x/migrations)                 | Migration tool for deploying 0x smart contracts on private testnets                               |\r\n",
      "| [`@0x/contract-artifacts`](/packages/contract-artifacts) | [![npm](https://img.shields.io/npm/v/@0x/contract-artifacts.svg)](https://www.npmjs.com/package/@0x/contract-artifacts) | 0x smart contract compilation artifacts                                                           |\r\n",
      "| [`@0x/abi-gen-wrappers`](/packages/abi-gen-wrappers)     | [![npm](https://img.shields.io/npm/v/@0x/abi-gen-wrappers.svg)](https://www.npmjs.com/package/@0x/abi-gen-wrappers)     | Low-level 0x smart contract wrappers generated using `@0x/abi-gen`                                |\r\n",
      "| [`@0x/sra-spec`](/packages/sra-spec)                     | [![npm](https://img.shields.io/npm/v/@0x/sra-spec.svg)](https://www.npmjs.com/package/@0x/sra-spec)                     | OpenAPI specification for the Standard Relayer API                                                |\r\n",
      "| [`@0x/connect`](/packages/connect)                       | [![npm](https://img.shields.io/npm/v/@0x/connect.svg)](https://www.npmjs.com/package/@0x/connect)                       | An HTTP/WS client for interacting with the Standard Relayer API                                   |\r\n",
      "| [`@0x/asset-buyer`](/packages/asset-buyer)               | [![npm](https://img.shields.io/npm/v/@0x/asset-buyer.svg)](https://www.npmjs.com/package/@0x/asset-buyer)               | Convenience package for discovering and buying assets with Ether                                  |\r\n",
      "\r\n",
      "#### Ethereum tooling\r\n",
      "\r\n",
      "| Package                                      | Version                                                                                                     | Description                                                                                                                                                                             |\r\n",
      "| -------------------------------------------- | ----------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\r\n",
      "| [`@0x/web3-wrapper`](/packages/web3-wrapper) | [![npm](https://img.shields.io/npm/v/@0x/web3-wrapper.svg)](https://www.npmjs.com/package/@0x/web3-wrapper) | An Ethereum JSON RPC client                                                                                                                                                             |\r\n",
      "| [`@0x/sol-compiler`](/packages/sol-compiler) | [![npm](https://img.shields.io/npm/v/@0x/sol-compiler.svg)](https://www.npmjs.com/package/@0x/sol-compiler) | A wrapper around solc-js that adds smart re-compilation, ability to compile an entire project, Solidity version specific compilation, standard input description support and much more. |\r\n",
      "| [`@0x/sol-coverage`](/packages/sol-coverage) | [![npm](https://img.shields.io/npm/v/@0x/sol-coverage.svg)](https://www.npmjs.com/package/@0x/sol-coverage) | A solidity test coverage tool                                                                                                                                                           |\r\n",
      "| [`@0x/sol-profiler`](/packages/sol-profiler) | [![npm](https://img.shields.io/npm/v/@0x/sol-profiler.svg)](https://www.npmjs.com/package/@0x/sol-profiler) | A solidity gas cost profiler                                                                                                                                                            |\r\n",
      "| [`@0x/sol-trace`](/packages/sol-trace)       | [![npm](https://img.shields.io/npm/v/@0x/sol-trace.svg)](https://www.npmjs.com/package/@0x/sol-trace)       | A solidity stack trace tool                                                                                                                                                             |\r\n",
      "| [`@0x/sol-resolver`](/packages/sol-resolver) | [![npm](https://img.shields.io/npm/v/@0x/sol-resolver.svg)](https://www.npmjs.com/package/@0x/sol-resolver) | Import resolver for smart contracts dependencies                                                                                                                                        |\r\n",
      "| [`@0x/subproviders`](/packages/subproviders) | [![npm](https://img.shields.io/npm/v/@0x/subproviders.svg)](https://www.npmjs.com/package/@0x/subproviders) | Web3 provider middlewares (e.g. LedgerSubprovider)                                                                                                                                      |\r\n",
      "| [`@0x/sol-doc`](/packages/sol-doc)           | [![npm](https://img.shields.io/npm/v/@0x/sol-doc.svg)](https://www.npmjs.com/package/@0x/sol-doc)           | Solidity documentation generator                                                                                                                                                        |\r\n",
      "\r\n",
      "#### Utilities\r\n",
      "\r\n",
      "| Package                                                  | Version                                                                                                                 | Description                                                                  |\r\n",
      "| -------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------- |\r\n",
      "| [`@0x/abi-gen`](/packages/abi-gen)                       | [![npm](https://img.shields.io/npm/v/@0x/abi-gen.svg)](https://www.npmjs.com/package/@0x/abi-gen)                       | Tool to generate TS wrappers from smart contract ABIs                        |\r\n",
      "| [`@0x/tslint-config`](/packages/tslint-config)           | [![npm](https://img.shields.io/npm/v/@0x/tslint-config.svg)](https://www.npmjs.com/package/@0x/tslint-config)           | Custom TSLint rules used by the 0x core team                                 |\r\n",
      "| [`@0x/types`](/packages/types)                           | [![npm](https://img.shields.io/npm/v/@0x/types.svg)](https://www.npmjs.com/package/@0x/types)                           | Shared type declarations                                                     |\r\n",
      "| [`@0x/typescript-typings`](/packages/typescript-typings) | [![npm](https://img.shields.io/npm/v/@0x/typescript-typings.svg)](https://www.npmjs.com/package/@0x/typescript-typings) | Repository of types for external packages                                    |\r\n",
      "| [`@0x/utils`](/packages/utils)                           | [![npm](https://img.shields.io/npm/v/@0x/utils.svg)](https://www.npmjs.com/package/@0x/utils)                           | Shared utilities                                                             |\r\n",
      "| [`@0x/react-docs`](/packages/react-docs)                 | [![npm](https://img.shields.io/npm/v/@0x/react-docs.svg)](https://www.npmjs.com/package/@0x/react-docs)                 | React documentation component for rendering TypeDoc & sol-doc generated JSON |\r\n",
      "| [`@0x/react-shared`](/packages/react-shared)             | [![npm](https://img.shields.io/npm/v/@0x/react-shared.svg)](https://www.npmjs.com/package/@0x/react-shared)             | 0x shared react components                                                   |\r\n",
      "| [`@0x/assert`](/packages/assert)                         | [![npm](https://img.shields.io/npm/v/@0x/assert.svg)](https://www.npmjs.com/package/@0x/assert)                         | Type and schema assertions used by our packages                              |\r\n",
      "| [`@0x/base-contract`](/packages/base-contract)           | [![npm](https://img.shields.io/npm/v/@0x/base-contract.svg)](https://www.npmjs.com/package/@0x/base-contract)           | BaseContract used by auto-generated `abi-gen` wrapper contracts              |\r\n",
      "| [`@0x/dev-utils`](/packages/dev-utils)                   | [![npm](https://img.shields.io/npm/v/@0x/dev-utils.svg)](https://www.npmjs.com/package/@0x/dev-utils)                   | Dev utils to be shared across 0x packages                                    |\r\n",
      "| [`@0x/fill-scenarios`](/packages/fill-scenarios)         | [![npm](https://img.shields.io/npm/v/@0x/fill-scenarios.svg)](https://www.npmjs.com/package/@0x/fill-scenarios)         | 0x order fill scenario generator                                             |\r\n",
      "\r\n",
      "#### Private Packages\r\n",
      "\r\n",
      "| Package                                            | Description                                                                      |\r\n",
      "| -------------------------------------------------- | -------------------------------------------------------------------------------- |\r\n",
      "| [`@0x/instant`](/packages/instant)                 | A free and flexible way to offer simple crypto purchasing in any app or website. |\r\n",
      "| [`@0x/testnet-faucets`](/packages/testnet-faucets) | A faucet micro-service that dispenses test ERC20 tokens or Ether                 |\r\n",
      "| [`@0x/website`](/packages/website)                 | 0x website                                                                       |\r\n",
      "\r\n",
      "## Usage\r\n",
      "\r\n",
      "Node version >= 6.12 is required.\r\n",
      "\r\n",
      "Most of the packages require additional typings for external dependencies.\r\n",
      "You can include those by prepending the `@0x/typescript-typings` package to your [`typeRoots`](http://www.typescriptlang.org/docs/handbook/tsconfig-json.html) config.\r\n",
      "\r\n",
      "```json\r\n",
      "\"typeRoots\": [\"node_modules/@0x/typescript-typings/types\", \"node_modules/@types\"],\r\n",
      "```\r\n",
      "\r\n",
      "## Contributing\r\n",
      "\r\n",
      "We strongly recommend that the community help us make improvements and determine the future direction of the protocol. To report bugs within this package, please create an issue in this repository.\r\n",
      "\r\n",
      "#### Read our [contribution guidelines](./CONTRIBUTING.md).\r\n",
      "\r\n",
      "### Install dependencies\r\n",
      "\r\n",
      "Make sure you are using Yarn v1.9.4. To install using brew:\r\n",
      "\r\n",
      "```bash\r\n",
      "brew install yarn@1.9.4\r\n",
      "```\r\n",
      "\r\n",
      "Then install dependencies\r\n",
      "\r\n",
      "```bash\r\n",
      "yarn install\r\n",
      "```\r\n",
      "\r\n",
      "### Build\r\n",
      "\r\n",
      "To build all packages:\r\n",
      "\r\n",
      "```bash\r\n",
      "yarn build\r\n",
      "```\r\n",
      "\r\n",
      "To build a specific package:\r\n",
      "\r\n",
      "```bash\r\n",
      "PKG=@0x/web3-wrapper yarn build\r\n",
      "```\r\n",
      "\r\n",
      "To build all contracts packages:\r\n",
      "\r\n",
      "```bash\r\n",
      "yarn build:contracts\r\n",
      "```\r\n",
      "\r\n",
      "### Watch\r\n",
      "\r\n",
      "To re-build all packages on change:\r\n",
      "\r\n",
      "```bash\r\n",
      "yarn watch\r\n",
      "```\r\n",
      "\r\n",
      "To watch a specific package and all it's dependent packages:\r\n",
      "\r\n",
      "```bash\r\n",
      "PKG=[NPM_PACKAGE_NAME] yarn watch\r\n",
      "\r\n",
      "e.g\r\n",
      "PKG=@0x/web3-wrapper yarn watch\r\n",
      "```\r\n",
      "\r\n",
      "### Clean\r\n",
      "\r\n",
      "Clean all packages:\r\n",
      "\r\n",
      "```bash\r\n",
      "yarn clean\r\n",
      "```\r\n",
      "\r\n",
      "Clean a specific package\r\n",
      "\r\n",
      "```bash\r\n",
      "PKG=0x.js yarn clean\r\n",
      "```\r\n",
      "\r\n",
      "### Rebuild\r\n",
      "\r\n",
      "To re-build (clean & build) all packages:\r\n",
      "\r\n",
      "```bash\r\n",
      "yarn rebuild\r\n",
      "```\r\n",
      "\r\n",
      "To re-build (clean & build) a specific package & it's deps:\r\n",
      "\r\n",
      "```bash\r\n",
      "PKG=0x.js yarn rebuild\r\n",
      "```\r\n",
      "\r\n",
      "### Lint\r\n",
      "\r\n",
      "Lint all packages:\r\n",
      "\r\n",
      "```bash\r\n",
      "yarn lint\r\n",
      "```\r\n",
      "\r\n",
      "Lint a specific package:\r\n",
      "\r\n",
      "```bash\r\n",
      "PKG=0x.js yarn lint\r\n",
      "```\r\n",
      "\r\n",
      "### Run Tests\r\n",
      "\r\n",
      "Run all tests:\r\n",
      "\r\n",
      "```bash\r\n",
      "yarn test\r\n",
      "```\r\n",
      "\r\n",
      "Run a specific package's test:\r\n",
      "\r\n",
      "```bash\r\n",
      "PKG=@0x/web3-wrapper yarn test\r\n",
      "```\r\n",
      "\r\n",
      "Run all contracts packages tests:\r\n",
      "\r\n",
      "```bash\r\n",
      "yarn test:contracts\r\n",
      "```\r\n"
     ]
    }
   ],
   "source": [
    "!cat   README.md"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Here's the contents of that user's home directory, the default notebook directory for the server."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "total 792\r\n",
      "drwxr-xr-x 1 jovyan jovyan   4096 Aug 26 15:09 .\r\n",
      "drwxr-xr-x 1 root   root     4096 Aug 21 13:17 ..\r\n",
      "-rw-r--r-- 1 jovyan jovyan   3131 Aug 26 15:08 0x-monorepo.ipynb\r\n",
      "-rw-r--r-- 1 jovyan jovyan    220 Aug 21 13:17 .bash_logout\r\n",
      "-rw-r--r-- 1 jovyan jovyan   3771 Aug 21 13:17 .bashrc\r\n",
      "drwxr-xr-x 1 jovyan jovyan   4096 Aug 26 15:04 .circleci\r\n",
      "-rw-r--r-- 1 jovyan jovyan   3235 Aug 26 15:04 CODE_OF_CONDUCT.md\r\n",
      "-rw-r--r-- 1 jovyan jovyan   1383 Aug 26 15:04 CODEOWNERS\r\n",
      "drwx------ 1 jovyan jovyan   4096 Aug 21 13:18 .config\r\n",
      "drwxr-xr-x 1 jovyan jovyan   4096 Aug 26 15:04 contracts\r\n",
      "-rw-r--r-- 1 jovyan jovyan   6906 Aug 26 15:04 CONTRIBUTING.md\r\n",
      "-rw-r--r-- 1 jovyan jovyan    197 Aug 26 15:04 .editorconfig\r\n",
      "drwxr-xr-x 1 jovyan jovyan   4096 Aug 26 15:04 .git\r\n",
      "-rw-r--r-- 1 jovyan jovyan    262 Aug 26 15:04 .gitattributes\r\n",
      "drwxr-xr-x 1 jovyan jovyan   4096 Aug 26 15:04 .github\r\n",
      "-rw-r--r-- 1 jovyan jovyan   2922 Aug 26 15:04 .gitignore\r\n",
      "drwxr-xr-x 2 jovyan jovyan   4096 Aug 26 15:09 .ipynb_checkpoints\r\n",
      "drwxr-xr-x 5 jovyan jovyan   4096 Aug 26 15:09 .ipython\r\n",
      "-rw-r--r-- 1 jovyan jovyan   1600 Aug 26 15:04 ISSUE_TEMPLATE.md\r\n",
      "-rw-r--r-- 1 jovyan jovyan    318 Aug 26 15:04 lerna.json\r\n",
      "-rw-r--r-- 1 jovyan jovyan    549 Aug 26 15:04 LICENSE\r\n",
      "drwxr-xr-x 3 jovyan jovyan   4096 Aug 26 15:05 .local\r\n",
      "-rw-r--r-- 1 jovyan jovyan   5463 Aug 26 15:04 package.json\r\n",
      "drwxr-xr-x 1 jovyan jovyan   4096 Aug 26 15:04 packages\r\n",
      "-rw-r--r-- 1 jovyan jovyan   1380 Aug 26 15:04 .prettierignore\r\n",
      "-rw-r--r-- 1 jovyan jovyan     96 Aug 26 15:04 .prettierrc\r\n",
      "-rw-r--r-- 1 jovyan jovyan    807 Aug 21 13:17 .profile\r\n",
      "-rw-r--r-- 1 jovyan jovyan    984 Aug 26 15:04 PULL_REQUEST_TEMPLATE.md\r\n",
      "drwxr-xr-x 1 jovyan jovyan   4096 Aug 26 15:04 python-packages\r\n",
      "-rw-r--r-- 1 jovyan jovyan  24480 Aug 26 15:04 README.md\r\n",
      "-rw-r--r-- 1 jovyan jovyan    100 Aug 26 15:04 readthedocs.yaml\r\n",
      "-rw-r--r-- 1 jovyan jovyan     30 Aug 26 15:04 requirements.readthedocs.txt\r\n",
      "-rw-r--r-- 1 jovyan jovyan   3258 Aug 26 15:04 tsconfig.json\r\n",
      "-rw-r--r-- 1 jovyan jovyan    494 Aug 26 15:04 typedoc-tsconfig.json\r\n",
      "-rw-r--r-- 1 jovyan jovyan 634605 Aug 26 15:04 yarn.lock\r\n"
     ]
    }
   ],
   "source": [
    "!ls -al"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Conda is available in the user's path."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "/srv/conda/condabin/conda\r\n"
     ]
    }
   ],
   "source": [
    "!which conda"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "The user has read/write access to the root conda environment."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "ls: cannot access '/opt/conda': No such file or directory\r\n"
     ]
    }
   ],
   "source": [
    "!ls -l /opt/conda"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "The following packages are conda-installed in the base image to support [Jupyter Notebook](https://github.com/jupyter/notebook), [JupyterLab](https://github.com/jupyterlab/jupyterlab), and their use in [JupyterHub](https://github.com/jupyterhub/jupyterhub) environments (e.g., [MyBinder](http://mybinder.org/))."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "# packages in environment at /srv/conda/envs/notebook:\r\n",
      "#\r\n",
      "# Name                    Version                   Build  Channel\r\n",
      "0x-contract-addresses     2.2.0                    pypi_0    pypi\r\n",
      "0x-contract-artifacts     2.0.0                    pypi_0    pypi\r\n",
      "0x-json-schemas           2.0.0                    pypi_0    pypi\r\n",
      "0x-order-utils            3.0.1                    pypi_0    pypi\r\n",
      "0x-sra-client             3.0.0                    pypi_0    pypi\r\n",
      "_libgcc_mutex             0.1                        main    defaults\r\n",
      "alembic                   1.0.11                     py_0    conda-forge\r\n",
      "asn1crypto                0.24.0                py37_1003    conda-forge\r\n",
      "async_generator           1.10                       py_0    conda-forge\r\n",
      "attrdict                  2.0.1                    pypi_0    pypi\r\n",
      "attrs                     19.1.0                     py_0    conda-forge\r\n",
      "backcall                  0.1.0                      py_0    conda-forge\r\n",
      "base58                    1.0.3                    pypi_0    pypi\r\n",
      "bleach                    3.1.0                      py_0    conda-forge\r\n",
      "blinker                   1.4                        py_1    conda-forge\r\n",
      "bzip2                     1.0.8                h516909a_0    conda-forge\r\n",
      "ca-certificates           2019.6.16            hecc5488_0    conda-forge\r\n",
      "certifi                   2019.6.16                py37_1    conda-forge\r\n",
      "certipy                   0.1.3                      py_0    conda-forge\r\n",
      "cffi                      1.12.3           py37h8022711_0    conda-forge\r\n",
      "chardet                   3.0.4                 py37_1003    conda-forge\r\n",
      "configurable-http-proxy   4.1.0                  node11_1    conda-forge\r\n",
      "cryptography              2.7              py37h72c5cf5_0    conda-forge\r\n",
      "cytoolz                   0.10.0                   pypi_0    pypi\r\n",
      "decorator                 4.4.0                      py_0    conda-forge\r\n",
      "defusedxml                0.5.0                      py_1    conda-forge\r\n",
      "deprecated                1.2.6                    pypi_0    pypi\r\n",
      "entrypoints               0.3                   py37_1000    conda-forge\r\n",
      "eth-abi                   2.0.0                    pypi_0    pypi\r\n",
      "eth-account               0.4.0                    pypi_0    pypi\r\n",
      "eth-hash                  0.2.0                    pypi_0    pypi\r\n",
      "eth-keyfile               0.5.1                    pypi_0    pypi\r\n",
      "eth-keys                  0.2.4                    pypi_0    pypi\r\n",
      "eth-rlp                   0.1.2                    pypi_0    pypi\r\n",
      "eth-typing                2.1.0                    pypi_0    pypi\r\n",
      "eth-utils                 1.6.4                    pypi_0    pypi\r\n",
      "hexbytes                  0.2.0                    pypi_0    pypi\r\n",
      "idna                      2.8                   py37_1000    conda-forge\r\n",
      "ipfshttpclient            0.4.12                   pypi_0    pypi\r\n",
      "ipykernel                 5.1.1            py37h5ca1d4c_0    conda-forge\r\n",
      "ipython                   7.7.0            py37h5ca1d4c_0    conda-forge\r\n",
      "ipython_genutils          0.2.0                      py_1    conda-forge\r\n",
      "ipywidgets                7.4.2                      py_0    conda-forge\r\n",
      "jedi                      0.14.1                   py37_0    conda-forge\r\n",
      "jinja2                    2.10.1                     py_0    conda-forge\r\n",
      "jsonschema                3.0.1                    py37_0    conda-forge\r\n",
      "jupyter_client            5.3.1                      py_0    conda-forge\r\n",
      "jupyter_core              4.4.0                      py_0    conda-forge\r\n",
      "jupyterhub                1.0.0                    py37_0    conda-forge\r\n",
      "jupyterlab                0.35.4                   py37_0    conda-forge\r\n",
      "jupyterlab_server         0.2.0                      py_0    conda-forge\r\n",
      "krb5                      1.16.3            h05b26f9_1001    conda-forge\r\n",
      "libcurl                   7.65.3               hda55be3_0    conda-forge\r\n",
      "libedit                   3.1.20170329      hf8c457e_1001    conda-forge\r\n",
      "libffi                    3.2.1             he1b5a44_1006    conda-forge\r\n",
      "libgcc-ng                 9.1.0                hdf63c60_0    defaults\r\n",
      "libsodium                 1.0.17               h516909a_0    conda-forge\r\n",
      "libssh2                   1.8.2                h22169c7_2    conda-forge\r\n",
      "libstdcxx-ng              9.1.0                hdf63c60_0    defaults\r\n",
      "lru-dict                  1.1.6                    pypi_0    pypi\r\n",
      "mako                      1.0.10                     py_0    conda-forge\r\n",
      "markupsafe                1.1.1            py37h14c3975_0    conda-forge\r\n",
      "mistune                   0.8.4           py37h14c3975_1000    conda-forge\r\n",
      "multiaddr                 0.0.8                    pypi_0    pypi\r\n",
      "mypy-extensions           0.4.1                    pypi_0    pypi\r\n",
      "nbconvert                 5.4.1                      py_2    conda-forge\r\n",
      "nbformat                  4.4.0                      py_1    conda-forge\r\n",
      "ncurses                   6.1               hf484d3e_1002    conda-forge\r\n",
      "netaddr                   0.7.19                   pypi_0    pypi\r\n",
      "nodejs                    11.14.0              he1b5a44_1    conda-forge\r\n",
      "notebook                  5.7.8                    py37_1    conda-forge\r\n",
      "nteract_on_jupyter        2.0.12                     py_0    conda-forge\r\n",
      "oauthlib                  3.0.1                      py_0    conda-forge\r\n",
      "openssl                   1.1.1c               h516909a_0    conda-forge\r\n",
      "pamela                    1.0.0                      py_0    conda-forge\r\n",
      "pandoc                    2.7.3                         0    conda-forge\r\n",
      "pandocfilters             1.4.2                      py_1    conda-forge\r\n",
      "parsimonious              0.8.1                    pypi_0    pypi\r\n",
      "parso                     0.5.1                      py_0    conda-forge\r\n",
      "pexpect                   4.7.0                    py37_0    conda-forge\r\n",
      "pickleshare               0.7.5                 py37_1000    conda-forge\r\n",
      "pip                       19.2.1                   py37_0    conda-forge\r\n",
      "prometheus_client         0.7.1                      py_0    conda-forge\r\n",
      "prompt_toolkit            2.0.9                      py_0    conda-forge\r\n",
      "protobuf                  3.9.1                    pypi_0    pypi\r\n",
      "ptyprocess                0.6.0                   py_1001    conda-forge\r\n",
      "pycparser                 2.19                     py37_1    conda-forge\r\n",
      "pycryptodome              3.8.2                    pypi_0    pypi\r\n",
      "pycurl                    7.43.0.2         py37h16ce93b_1    conda-forge\r\n",
      "pygments                  2.4.2                      py_0    conda-forge\r\n",
      "pyjwt                     1.7.1                      py_0    conda-forge\r\n",
      "pyopenssl                 19.0.0                   py37_0    conda-forge\r\n",
      "pyrsistent                0.15.4           py37h516909a_0    conda-forge\r\n",
      "pysocks                   1.7.0                    py37_0    conda-forge\r\n",
      "python                    3.7.3                h33d41f4_1    conda-forge\r\n",
      "python-dateutil           2.8.0                      py_0    conda-forge\r\n",
      "python-editor             1.0.4                      py_0    conda-forge\r\n",
      "pyzmq                     18.0.2           py37h1768529_2    conda-forge\r\n",
      "readline                  8.0                  hf8c457e_0    conda-forge\r\n",
      "requests                  2.22.0                   py37_1    conda-forge\r\n",
      "rlp                       1.1.0                    pypi_0    pypi\r\n",
      "send2trash                1.5.0                      py_0    conda-forge\r\n",
      "setuptools                41.0.1                   py37_0    conda-forge\r\n",
      "six                       1.12.0                py37_1000    conda-forge\r\n",
      "sqlalchemy                1.3.6            py37h516909a_0    conda-forge\r\n",
      "sqlite                    3.29.0               hcee41ef_0    conda-forge\r\n",
      "stringcase                1.2.0                    pypi_0    pypi\r\n",
      "terminado                 0.8.2                    py37_0    conda-forge\r\n",
      "testpath                  0.4.2                   py_1001    conda-forge\r\n",
      "tk                        8.6.9             hed695b0_1002    conda-forge\r\n",
      "toolz                     0.10.0                   pypi_0    pypi\r\n",
      "tornado                   6.0.3            py37h516909a_0    conda-forge\r\n",
      "traitlets                 4.3.2                 py37_1000    conda-forge\r\n",
      "urllib3                   1.25.3                   py37_0    conda-forge\r\n",
      "varint                    1.0.2                    pypi_0    pypi\r\n",
      "wcwidth                   0.1.7                      py_1    conda-forge\r\n",
      "web3                      5.0.2                    pypi_0    pypi\r\n",
      "webencodings              0.5.1                      py_1    conda-forge\r\n",
      "websockets                7.0                      pypi_0    pypi\r\n",
      "wheel                     0.33.4                   py37_0    conda-forge\r\n",
      "widgetsnbextension        3.4.2                 py37_1000    conda-forge\r\n",
      "wrapt                     1.11.2                   pypi_0    pypi\r\n",
      "xz                        5.2.4             h14c3975_1001    conda-forge\r\n",
      "zeromq                    4.3.2                he1b5a44_2    conda-forge\r\n",
      "zlib                      1.2.11            h516909a_1005    conda-forge\r\n"
     ]
    }
   ],
   "source": [
    "!conda list"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [
    {
     "ename": "SyntaxError",
     "evalue": "invalid syntax (<ipython-input-19-6e2093f6a732>, line 1)",
     "output_type": "error",
     "traceback": [
      "\u001b[0;36m  File \u001b[0;32m\"<ipython-input-19-6e2093f6a732>\"\u001b[0;36m, line \u001b[0;32m1\u001b[0m\n\u001b[0;31m    import @0x-order-utils\u001b[0m\n\u001b[0m           ^\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m invalid syntax\n"
     ]
    }
   ],
   "source": [
    "import @0x-order-utils"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Other images in the [jupyter/docker-stacks project](https://github.com/jupyter/docker-stacks) include additional libraries. See the [Jupyter Docker Stacks documentation](https://jupyter-docker-stacks.readthedocs.io/en/latest/) for full details."
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.7.3"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 2
}