mirror of
https://github.com/aljazceru/nutshell.git
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107 lines
3.4 KiB
Python
107 lines
3.4 KiB
Python
# startup routine of the standalone app. These are the steps that need
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# to be taken by external apps importing the cashu mint.
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import asyncio
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import importlib
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from typing import Dict
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from loguru import logger
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from ..core.base import Method, Unit
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from ..core.db import Database
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from ..core.migrations import migrate_databases
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from ..core.settings import settings
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from ..lightning.base import LightningBackend
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from ..mint import migrations
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from ..mint.crud import LedgerCrudSqlite
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from ..mint.ledger import Ledger
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# kill the program if python runs in non-__debug__ mode
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# which could lead to asserts not being executed for optimized code
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if not __debug__:
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raise Exception("Nutshell cannot run in non-debug mode.")
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logger.debug("Enviroment Settings:")
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for key, value in settings.dict().items():
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if key in [
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"mint_private_key",
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"mint_seed_decryption_key",
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"nostr_private_key",
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"mint_lnbits_key",
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"mint_blink_key",
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"mint_strike_key",
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"mint_lnd_rest_macaroon",
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"mint_lnd_rest_admin_macaroon",
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"mint_lnd_rest_invoice_macaroon",
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"mint_corelightning_rest_macaroon",
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"mint_clnrest_rune",
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]:
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value = "********" if value is not None else None
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if key == "mint_database" and value and value.startswith("postgres://"):
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value = "postgres://********"
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logger.debug(f"{key}: {value}")
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wallets_module = importlib.import_module("cashu.lightning")
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backends: Dict[Method, Dict[Unit, LightningBackend]] = {}
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if settings.mint_backend_bolt11_sat:
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backend_bolt11_sat = getattr(wallets_module, settings.mint_backend_bolt11_sat)(
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unit=Unit.sat
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)
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backends.setdefault(Method.bolt11, {})[Unit.sat] = backend_bolt11_sat
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if settings.mint_backend_bolt11_usd:
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backend_bolt11_usd = getattr(wallets_module, settings.mint_backend_bolt11_usd)(
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unit=Unit.usd
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)
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backends.setdefault(Method.bolt11, {})[Unit.usd] = backend_bolt11_usd
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if settings.mint_backend_bolt11_eur:
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backend_bolt11_eur = getattr(wallets_module, settings.mint_backend_bolt11_eur)(
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unit=Unit.eur
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)
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backends.setdefault(Method.bolt11, {})[Unit.eur] = backend_bolt11_eur
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if not backends:
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raise Exception("No backends are set.")
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if not settings.mint_private_key:
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raise Exception("No mint private key is set.")
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ledger = Ledger(
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db=Database("mint", settings.mint_database),
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seed=settings.mint_private_key,
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seed_decryption_key=settings.mint_seed_decryption_key,
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derivation_path=settings.mint_derivation_path,
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backends=backends,
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crud=LedgerCrudSqlite(),
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)
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async def rotate_keys(n_seconds=60):
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"""Rotate keyset epoch every n_seconds.
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Note: This is just a helper function for testing purposes.
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"""
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i = 0
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while True:
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i += 1
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logger.info("Rotating keys.")
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incremented_derivation_path = (
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f"{'/'.join(ledger.derivation_path.split('/')[:-1])}/{i}"
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)
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await ledger.activate_keyset(derivation_path=incremented_derivation_path)
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logger.info(f"Current keyset: {ledger.keyset.id}")
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await asyncio.sleep(n_seconds)
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async def start_mint_init():
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await migrate_databases(ledger.db, migrations)
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await ledger.startup_ledger()
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logger.info("Mint started.")
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# asyncio.create_task(rotate_keys())
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async def shutdown_mint():
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await ledger.shutdown_ledger()
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logger.info("Mint shutdown.")
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logger.remove()
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