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solders

Python bindings for Solana Rust tools

  • 0.26.0
  • PyPI
  • Socket score

Maintainers
1

PyPI version License: MIT

Solders

solders is a high-performance Python toolkit for Solana, written in Rust. It provides robust solutions to the following problems:

  • Core SDK stuff: keypairs, pubkeys, signing and serializing transactions - that sort of thing.
  • RPC stuff: building requests and parsing responses (no networking stuff - if you want help with that, solana-py is your friend).
  • Integration testing stuff: the solders.litesvm module is an alternative to solana-test-validator that's much more convenient and much faster. It's based on solana-program-test if you know that is.

What about solana-py?

solders and solana-py are good friends. solana-py uses solders under the hood extensively in its core API and RPC API. The main differences are:

  • solders doesn't have functions to actually interact with the RPC server (though solana-py does use the RPC code from solders).
  • solders doesn't provide SPL Token and SPL Memo clients.
  • solana-py may not have support for all the RPC requests and responses provided by solders.
  • solana-py doesn't have anything like the litesvm testing kit.

Since solana-py uses solders under the hood and they don't duplicate each other's features, you should just use whichever library you need.

Installation

pip install solders

Note: Requires Python >= 3.7.

Example Usage

>>> from solders.message import Message
>>> from solders.keypair import Keypair
>>> from solders.instruction import Instruction
>>> from solders.hash import Hash
>>> from solders.transaction import Transaction
>>> from solders.pubkey import Pubkey
>>> program_id = Pubkey.default()
>>> arbitrary_instruction_data = bytes([1])
>>> accounts = []
>>> instruction = Instruction(program_id, arbitrary_instruction_data, accounts)
>>> payer = Keypair()
>>> message = Message([instruction], payer.pubkey())
>>> blockhash = Hash.default()  # replace with a real blockhash
>>> tx = Transaction([payer], message, blockhash)

Development

Setup

  1. Install poetry
  2. Install dev dependencies:
poetry install
  1. Activate the poetry shell:
poetry shell

Testing

  1. Run maturin develop to compile the Rust code.
  2. Run make fmt, make lint, and make test.

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