Rewrite monitor.py so it operates entirely through the
cardano_checkout.store.InvoiceStore Protocol — no more SQLAlchemy
imports, no more CardanoPayment / PlatformConfig coupling. Same
behavioural shape: same Koios URL, same 15s check cadence, same 2%
confirm / overpay tolerances, same 3-reprice cap.
Rewrite scheduler.py as a reusable InvoiceScheduler dataclass that
wires two APScheduler jobs (check_pending every 15s, reprice_expired
every 60s) against a consumer-supplied store. The subscription +
grace-period jobs are TradeCraft-specific and get lifted into
tradecraft_compat.py verbatim so TradeCraft can still import them
during the migration window without any code change.
Add InMemoryStore reference implementation to store.py — used by the
test suite and handy for local dev / ephemeral workflows.
Bump version to 0.2.0-dev.
pycardano >=0.11 doesn't ship HDPublicKey — the v0.1 extraction
imported a symbol that never existed in the installed version, which
meant every address-derivation test failed at import time.
Use HDWallet rooted at the account level with public-only fields set,
then soft-derive receive chain (0) and staking chain (2). Hash the
resulting verification keys through PaymentVerificationKey /
StakeVerificationKey to compose the Shelley base address.
Refresh the test-vector xpub with a real, deterministic CIP-1852
account xpub derived from the well-known "test ... junk" mnemonic so
validate_xpub + derive_address actually exercise the BIP32 math.
Drop the "random hex should be rejected" assertion — BIP32-ED25519
soft derivation doesn't enforce that the 32-byte pubkey half is a
point on the curve, so arbitrary well-shaped hex is accepted by the
underlying crypto.
