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Autonomi Node

Overview

The ant-node directory provides the antnode binary and Python bindings for the Safe Network node implementation. This directory contains the core logic for node operations, including API definitions, error handling, event management, and data validation.

Table of Contents

Installation

Binary Installation

Follow the main project's installation guide to set up the antnode binary.

Python Installation

To install the Python bindings, you'll need:

  • Python 3.8 or newer
  • Rust toolchain
  • maturin (pip install maturin)

Install the package using:

maturin develop

Usage

Binary Usage

To run the antnode binary, follow the instructions in the main project's usage guide.

Python Usage

The Python module provides a comprehensive interface to run and manage Safe Network nodes. Here's a complete overview:

Basic Node Operations

from antnode import AntNode

# Create and start a node
node = AntNode()
node.run(
    rewards_address="0x1234567890123456789012345678901234567890",  # Your EVM wallet address
    evm_network="arbitrum_sepolia",  # or "arbitrum_one" for mainnet
    ip="0.0.0.0",
    port=12000,
    initial_peers=[
        "/ip4/142.93.37.4/udp/40184/quic-v1/p2p/12D3KooWPC8q7QGZsmuTtCYxZ2s3FPXPZcS8LVKkayXkVFkqDEQB",
    ],
    local=False,
    root_dir=None,  # Uses default directory
    home_network=False
)

Available Methods

Node Information:

  • peer_id(): Get the node's peer ID
  • get_rewards_address(): Get current rewards/wallet address
  • set_rewards_address(address: str): Set new rewards address (requires restart)
  • get_kbuckets(): Get routing table information
  • get_all_record_addresses(): Get all stored record addresses

Storage Operations:

  • store_record(key: str, value: bytes, record_type: str): Store data
    • key: Hex string
    • value: Bytes to store
    • record_type: "chunk" or "scratchpad"
  • get_record(key: str) -> Optional[bytes]: Retrieve stored data
  • delete_record(key: str) -> bool: Delete stored data
  • get_stored_records_size() -> int: Get total size of stored data

Directory Management:

  • get_root_dir() -> str: Get current root directory path
  • get_default_root_dir(peer_id: Optional[str]) -> str: Get default root directory
  • get_logs_dir() -> str: Get logs directory path
  • get_data_dir() -> str: Get data storage directory path

Directory Management Example

# Get various directory paths
root_dir = node.get_root_dir()
logs_dir = node.get_logs_dir()
data_dir = node.get_data_dir()

# Get default directory for a specific peer
default_dir = AntNode.get_default_root_dir(peer_id)

Important Notes

  • Initial peers list should contain currently active network peers
  • Rewards address must be a valid EVM address
  • Changing rewards address requires node restart
  • Storage keys must be valid hex strings
  • Record types are limited to 'chunk' and 'scratchpad'
  • Directory paths are platform-specific
  • Custom root directories can be set at node startup

Directory Structure

  • src/: Source code files
    • api.rs: API definitions
    • error.rs: Error types and handling
    • event.rs: Event-related logic
    • get_validation.rs: Validation for GET requests
    • put_validation.rs: Validation for PUT requests
    • replication.rs: Data replication logic
    • transactions.rs: Logic related to spending tokens or resources
  • tests/: Test files
    • common/mod.rs: Common utilities for tests
    • data_with_churn.rs: Tests related to data with churn
    • sequential_transfers.rs: Tests for sequential data transfers
    • storage_payments.rs: Tests related to storage payments
    • verify_data_location.rs: Tests for verifying data locations

Testing

To run tests, navigate to the ant-node directory and execute:

cargo test

Contributing

Please feel free to clone and modify this project. Pull requests are welcome.

Conventional Commits

We follow the Conventional Commits specification for all commits. Make sure your commit messages adhere to this standard.

License

This Safe Network repository is licensed under the General Public License (GPL), version 3 (LICENSE http://www.gnu.org/licenses/gpl-3.0.en.html).