Version 2.0

[arjanz]

Todos

• Runtime call interfaces
• Storage interface
• keyring interface
• Runtime API interface
• Ink contract interface
• scalecodec 2.0 integration
• Move Substrate SCALE types to library
• Migrate unit tests
• refactor decode to _decode
• replace setup.py with pyproject.toml
• Update documentation
• Document upgrade path

New code examples

Balance information of an account

result = substrate.runtime.pallet('System').storage('Account').get('F4xQKRUagnSGjFqafyhajLs94e7Vvzvr8ebwYJceKpr8R7T')
print(result.value['data']['free']) # 635278638077956496

Create balance transfer extrinsic

receipt = substrate.runtime.pallet("Balances").call("transfer_keep_alive").create_extrinsic(
    dest='5FHneW46xGXgs5mUiveU4sbTyGBzmstUspZC92UhjJM694ty',
    value=1 * 10**15
).sign_and_submit(keypair=keypair, era={'period': 64}, wait_for_inclusion=True)

print(f"Extrinsic '{receipt.extrinsic_hash}' sent and included in block '{receipt.block_hash}'")