chore: initialize monorepo with project scaffolding, configs, and CI setup

apps/wallet-daemon/tests/test_receipts.py

@@ -0,0 +1,81 @@
+from __future__ import annotations
+
+import pytest
+from nacl.signing import SigningKey
+
+from app.receipts import ReceiptValidationResult, ReceiptVerifierService
+
+
+@pytest.fixture()
+def sample_receipt() -> dict:
+    return {
+        "version": "1.0",
+        "receipt_id": "rcpt-1",
+        "job_id": "job-123",
+        "provider": "miner-abc",
+        "client": "client-xyz",
+        "units": 1.0,
+        "unit_type": "gpu_seconds",
+        "price": 3.5,
+        "started_at": 1700000000,
+        "completed_at": 1700000005,
+        "metadata": {},
+    }
+
+
+class _DummyClient:
+    def __init__(self, latest=None, history=None):
+        self.latest = latest
+        self.history = history or []
+
+    def fetch_latest(self, job_id: str):
+        return self.latest
+
+    def fetch_history(self, job_id: str):
+        return list(self.history)
+
+
+@pytest.fixture()
+def signer():
+    return SigningKey.generate()
+
+
+@pytest.fixture()
+def signed_receipt(sample_receipt: dict, signer: SigningKey) -> dict:
+    from aitbc_crypto.signing import ReceiptSigner
+
+    receipt = dict(sample_receipt)
+    receipt["signature"] = ReceiptSigner(signer.encode()).sign(sample_receipt)
+    return receipt
+
+
+def test_verify_latest_success(monkeypatch, signed_receipt: dict):
+    service = ReceiptVerifierService("http://coordinator", "api-key")
+    client = _DummyClient(latest=signed_receipt)
+    monkeypatch.setattr(service, "client", client)
+
+    result = service.verify_latest("job-123")
+    assert isinstance(result, ReceiptValidationResult)
+    assert result.job_id == "job-123"
+    assert result.receipt_id == "rcpt-1"
+    assert result.miner_valid is True
+    assert result.all_valid is True
+
+
+def test_verify_latest_none(monkeypatch):
+    service = ReceiptVerifierService("http://coordinator", "api-key")
+    client = _DummyClient(latest=None)
+    monkeypatch.setattr(service, "client", client)
+
+    assert service.verify_latest("job-123") is None
+
+
+def test_verify_history(monkeypatch, signed_receipt: dict):
+    service = ReceiptVerifierService("http://coordinator", "api-key")
+    client = _DummyClient(history=[signed_receipt])
+    monkeypatch.setattr(service, "client", client)
+
+    results = service.verify_history("job-123")
+    assert len(results) == 1
+    assert results[0].miner_valid is True
+    assert results[0].job_id == "job-123"