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Stellar client library for the Python language

Home Page: https://stellar-sdk.readthedocs.io

License: Apache License 2.0

Python 96.26% Makefile 0.05% Dockerfile 0.08% RPC 3.60%

py-stellar-base's Introduction

Stellar Python SDK

GitHub Action Read the Docs PyPI - Downloads Code Climate maintainability Codecov PyPI Python - Version PyPI - Implementation Stellar Protocol

py-stellar-base is a Python library for communicating with a Stellar Horizon server. It is used for building Stellar apps on Python. It supports Python 3.6+ as well as PyPy 3.6+.

It provides:

  • a networking layer API for Horizon endpoints.
  • facilities for building and signing transactions, for communicating with a Stellar Horizon instance, and for submitting transactions or querying network history.

Documentation

py-stellar-base's documentation can be found at https://stellar-sdk.readthedocs.io.

Installing

pip install -U stellar-sdk

We follow Semantic Versioning 2.0.0, and I strongly recommend that you specify its major version number in the dependency file to avoid the unknown effects of breaking changes.

A Simple Example

You can find more examples here.

Building transaction with synchronous server

# Alice pay 10.25 XLM to Bob
from stellar_sdk import Asset, Server, Keypair, TransactionBuilder, Network

alice_keypair = Keypair.from_secret("SBFZCHU5645DOKRWYBXVOXY2ELGJKFRX6VGGPRYUWHQ7PMXXJNDZFMKD")
bob_address = "GA7YNBW5CBTJZ3ZZOWX3ZNBKD6OE7A7IHUQVWMY62W2ZBG2SGZVOOPVH"

server = Server("https://horizon-testnet.stellar.org")
alice_account = server.load_account(alice_keypair.public_key)
base_fee = 100
transaction = (
    TransactionBuilder(
        source_account=alice_account,
        network_passphrase=Network.TESTNET_NETWORK_PASSPHRASE,
        base_fee=base_fee,
    )
    .add_text_memo("Hello, Stellar!")
    .append_payment_op(bob_address, Asset.native(), "10.25")
    .set_timeout(30)
    .build()
)
transaction.sign(alice_keypair)
response = server.submit_transaction(transaction)
print(response)
  • Building transaction with asynchronous server
# Alice pay 10.25 XLM to Bob
import asyncio

from stellar_sdk import Asset, ServerAsync, Keypair, TransactionBuilder, Network
from stellar_sdk.client.aiohttp_client import AiohttpClient

alice_keypair = Keypair.from_secret("SBFZCHU5645DOKRWYBXVOXY2ELGJKFRX6VGGPRYUWHQ7PMXXJNDZFMKD")
bob_address = "GA7YNBW5CBTJZ3ZZOWX3ZNBKD6OE7A7IHUQVWMY62W2ZBG2SGZVOOPVH"


async def payment():
    async with ServerAsync(
        horizon_url="https://horizon-testnet.stellar.org", client=AiohttpClient()
    ) as server:
        alice_account = await server.load_account(alice_keypair.public_key)
        base_fee = 100
        transaction = (
            TransactionBuilder(
                source_account=alice_account,
                network_passphrase=Network.TESTNET_NETWORK_PASSPHRASE,
                base_fee=base_fee,
            )
            .add_text_memo("Hello, Stellar!")
            .append_payment_op(bob_address, Asset.native(), "10.25")
            .set_timeout(30)
            .build()
        )
        transaction.sign(alice_keypair)
        response = await server.submit_transaction(transaction)
        print(response)


if __name__ == "__main__":
    asyncio.run(payment())

stellar-model

stellar-model allows you to parse the JSON returned by Stellar Horizon into the Python models, click here for more information.

Links

Thank you to all the people who have already contributed to py-stellar-base!

py-stellar-base's People

Contributors

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