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A simple Python library for asynchronous interactions with Hive/Steem RPC nodes (and forks)

Project description

Steem Async

Async Steem library - A simple Python library for asynchronous interactions with Steem RPC nodes (and forks)

Build Status

Official Repo:

Quick Install / Usage

WARNING: Due to use of modern Python features such as dataclasses, you MUST use Python 3.7 or newer. This library is not compatible with Python 3.6 or older versions.

pip3 install steem-async
import asyncio
from privex.steem import SteemAsync

async def main():
    # All init params are optional, but are included to make you aware of them :)
    s = SteemAsync(rpc_nodes=[''], max_retry=4, retry_delay=3)
    # If using a fork based on older Steem, disable appbase to use the classic ``call`` JsonRPC method
    s.config_set('use_appbase', False)
    # If needed, you can customise the headers used
    s.config_set('headers', {'content-type': 'application/json'})
    # Get accounts
    accounts = await s.get_accounts('someguy123', 'privex')
    # {'STEEM': <Amount '16759.930 STEEM' precision=3>, 'SBD': <Amount '78.068 SBD' precision=3>,
    # 'VESTS': <Amount '277045077.603020 VESTS' precision=6>}
    # '2017-02-04T18:07:21'
    # Bulk load a range of blocks (uses batch calling, request chunking, and auto retry)
    blocks = await s.get_blocks(10000, 20000)
    # 10100
    # If there isn't a wrapper function for what you need, you can use json_call and api_call directly:
    # Appbase call
    res = await s.json_call('condenser_api.get_block', [123])
    block = res['result']
    # 'someguy123'
    # Non-appbase call
    block = await s.api_call('database_api', 'get_block', [123])
    # 'someguy123'

For full parameter documentation, IDEs such as PyCharm and even Visual Studio Code should show our PyDoc comments when you try to use the class.

For PyCharm, press F1 with your keyboard cursor over the class to see full function documentation, including return types, parameters, and general usage information. You can also press CMD-P with your cursor inside of a method's brackets (including the constructor brackets) to see the parameters you can use.

Alternatively, just view the files inside of privex/steem/ - most methods and constructors are adequently commented with PyDoc.

Steem Async CLI tool

You can use Steem Async to make RPC calls directly from the CLI, with pretty printed output :)

# Show the CLI help page
python3 -m privex.steem -h

# Get the current block and output it as JSON
python3 -m privex.steem get_block

# Get block 123456 but disable human friendly indentation (but not syntax highlighting)
python3 -m privex.steem -r get_block 123456

# Get block 123456 but disable BOTH human friendly indentation AND syntax highlighting
# This can be important if you're using the output in a script
python3 -m privex.steem -nr -r get_block 123456

# Get block 1234567 - use the custom node list +
python3 -m privex.steem -n, get_block 1234567

# Get the current head block number and print it
python3 -m privex.steem get_head_block

# Get the account balances for someguy123 as JSON
python3 -m privex.steem get_balances someguy123

# Get the account balances for someguy123 as JSON, but cast the numbers to floats instead of strings
python3 -m privex.steem -dc float get_balances someguy123

# Make a custom RPC call - calling the method get_ticker with no params
python3 -m privex.steem call get_ticker

# Using '-I' will enable number casting, so that '10' is converted to an integer param instead of a string
python3 -m privex.steem call -I get_order_book 10

# For calls that require nested lists/dicts, you can use '-j' to parse parameters as JSON,
# or use '-c' to parse parameters as CSV (CSV columns are auto-casted from numbers/bools)
python3 -m privex.steem call -j lookup_account_names '["someguy123", true]'
python3 -m privex.steem call -j lookup_account_names call -c lookup_account_names someguy123,true

Benchmarks compared to Beem and other libraries

Steem-Async is much faster than Beem and other synchronous libraries, due to fully supporting AsyncIO, as well as the use of bulk/bundled calls (combining multiple calls into one request) - especially when it comes to tasks which involve highly parallel queries, such as retrieving 1000's of blocks from the blockchain.

Please see the benchmarks folder to see the results of our benchmarks, as well as information on how you can run our benchmarks on your own system.


This Async Steem library has been developed at Privex Inc. by @someguy123 to allow for asynchronous interactions with a Steem RPC node (and forks such as GOLOS)

It uses the httpx library library instead of requests to enable full async support.

|                 © 2019 Privex Inc.                |
|                    |
|                                                   |
|        Python Async Steem library                 |
|        License: X11/MIT                           |
|                                                   |
|        Core Developer(s):                         |
|                                                   |
|          (+)  Chris (@someguy123) [Privex]        |
|                                                   |

Async Steem library - A simple Python library for asynchronous interactions with Steem RPC nodes (and forks)
Copyright (c) 2019    Privex Inc. ( )


WARNING: Due to use of modern Python features such as dataclasses, you MUST use Python 3.7 or newer. This library is not compatible with Python 3.6 or older versions.

Install from PyPi using pip

You can install this package via pip:

pip3 install steem-async

(Alternative) Manual install from Git

If you don't want to PyPi (e.g. for development versions not on PyPi yet), you can install the project directly from our Git repo.

Unless you have a specific reason to manually install it, you should install it using pip3 normally as shown above.

Option 1 - Use pip to install straight from Github

pip3 install git+

Option 2 - Clone and install manually

# Clone the repository from Github
git clone
cd steem-async

# Use pip to install the source code
pip3 install .

# If you don't have pip, or have issues with installing using it, then you can use setuptools instead.
python3 install


By default, this package will log anything >=WARNING to the console. You can override this by adjusting the privex.steem logger instance.

We recommend checking out our Python package Python Loghelper which makes it easy to manage your logging configuration, and copy it to other logging instances such as this one.

# Without LogHelper
import logging
l = logging.getLogger('privex.steem')

# With LogHelper (pip3 install privex-loghelper)
from privex.loghelper import LogHelper
# Set up logging for **your entire app**. In this case, log only messages >=error
lh = LogHelper('myapp', handler_level=logging.ERROR)
lh.add_file_handler('test.log')      # Log messages to the file `test.log` in the current directory
lh.copy_logger('privex.steem')       # Easily copy your logging settings to any other module loggers
log = lh.get_logger()                # Grab your app's logging instance, or use logging.getLogger('myapp')
log.error('Hello World')


We're very happy to accept pull requests, and work on any issues reported to us.

Here's some important information:

Reporting Issues:

  • For bug reports, you should include the following information:
    • Version of privex-steem and httpx tested on - use pip3 freeze
      • If not installed via a PyPi release, git revision number that the issue was tested on - git log -n1
    • Your python3 version - python3 -V
    • Your operating system and OS version (e.g. Ubuntu 18.04, Debian 7)
  • For feature requests / changes
    • Please avoid suggestions that require new dependencies. This tool is designed to be lightweight, not filled with external dependencies.
    • Clearly explain the feature/change that you would like to be added
    • Explain why the feature/change would be useful to us, or other users of the tool
    • Be aware that features/changes that are complicated to add, or we simply find un-necessary for our use of the tool may not be added (but we may accept PRs)

Pull Requests:

  • We'll happily accept PRs that only add code comments or README changes
  • Use 4 spaces, not tabs when contributing to the code
  • You can use features from Python 3.4+ (we run Python 3.7+ for our projects)
    • Features that require a Python version that has not yet been released for the latest stable release of Ubuntu Server LTS (at this time, Ubuntu 18.04 Bionic) will not be accepted.
  • Clearly explain the purpose of your pull request in the title and description
    • What changes have you made?
    • Why have you made these changes?
  • Please make sure that code contributions are appropriately commented - we won't accept changes that involve uncommented, highly terse one-liners.

Legal Disclaimer for Contributions

Nobody wants to read a long document filled with legal text, so we've summed up the important parts here.

If you contribute content that you've created/own to projects that are created/owned by Privex, such as code or documentation, then you might automatically grant us unrestricted usage of your content, regardless of the open source license that applies to our project.

If you don't want to grant us unlimited usage of your content, you should make sure to place your content in a separate file, making sure that the license of your content is clearly displayed at the start of the file (e.g. code comments), or inside of it's containing folder (e.g. a file named LICENSE).

You should let us know in your pull request or issue that you've included files which are licensed separately, so that we can make sure there's no license conflicts that might stop us being able to accept your contribution.

If you'd rather read the whole legal text, it should be included as privex_contribution_agreement.txt.


This project is licensed under the X11 / MIT license. See the file LICENSE for full details.

Here's the important bits:

  • You must include/display the license & copyright notice (LICENSE) if you modify/distribute/copy some or all of this project.
  • You can't use our name to promote / endorse your product without asking us for permission. You can however, state that your product uses some/all of this project.

Thanks for reading!

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