pbcabi/README.md

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# Partisia Blockchain ABI client

![Test program/library](https://gitfub.space/Jmaa/pbcabi/actions/workflows/python-test.yml/badge.svg)

Utility library for parsing and processing the Partisia Blockchain ABI Format.

The format is specified here: [Partisia Blockchain's ABI format](https://partisiablockchain.gitlab.io/documentation/smart-contracts/smart-contract-binary-formats.html)..

## Example usage

This example is based upon the [Token Contract example contract](https://gitlab.com/partisiablockchain/language/example-contracts).
It assumes a compiled ABI in `token.abi` and a blockchain state stored in `token_state.bin`.

```py
# Imports
from pbcabi.binaryreader import BinaryReader
import pbcabi.model

# Read ABI
with open('token.abi', 'rb') as f:
    TOKEN_ABI = pbcabi.model.FileAbi.read_from(BinaryReader(f.read()))

with open('token_state.bin', 'rb') as f:
    state_bytes = f.read()

# Read structure TokenState from state_bytes
token_state = TOKEN_ABI.contract.read_state('TokenState', BinaryReader(state_bytes))

# Inspect state as mostly Python-native types.
my_address = BlockchainAddress.from_hex_hash("00e72e44eab933faaf1fd4ce94bb57e08bff98a1ed")

print(token_state['name'])
> MyToken
print(token_state['balances'][my_address])
> 213112
```

## Legalese

This project is licensed under MIT Licence, see `LICENSE` for full text.

This project is not associated with, nor supported by any of:

- Partisia Applications A/S
- Partisia Infrastructure A/S
- Partisia Blockchain Foundation

Use at own risk.

## Dependencies

All requirements can be installed easily using:

```bash
pip install -r requirements.txt
```

Full list of requirements:
- [enforce_typing](https://pypi.org/project/enforce_typing/)
- [frozendict](https://pypi.org/project/frozendict/)


## License

```
MIT License

Copyright (c) 2023-2024 Jon Michael Aanes

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
```