phase 3

2026-05-07 09:40:37 +02:00
parent 63cccdc958
commit dc1c9b109c
29 changed files with 1991 additions and 20 deletions
@@ -0,0 +1,80 @@
+package canon_test
+
+import (
+	"crypto/sha256"
+	"encoding/hex"
+	"encoding/json"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+// requestFixture captures one stable canonical-bytes test vector for a v1
+// authenticated request. Fixture files live under testdata/ and are
+// generated by hand using the canon package itself; they are committed as
+// golden data so every change to the canonical-bytes contract surfaces as
+// a hex diff in code review.
+type requestFixture struct {
+	MessageType               string `json:"message_type"`
+	ProtocolVersion           string `json:"protocol_version"`
+	DeviceSessionID           string `json:"device_session_id"`
+	TimestampMS               int64  `json:"timestamp_ms"`
+	RequestID                 string `json:"request_id"`
+	Payload                   string `json:"payload"`
+	PayloadHashHex            string `json:"payload_hash_hex"`
+	ExpectedCanonicalBytesHex string `json:"expected_canonical_bytes_hex"`
+	PrivateKeySeedHex         string `json:"private_key_seed_hex"`
+	PublicKeyBase64           string `json:"public_key_base64"`
+	ExpectedSignatureHex      string `json:"expected_signature_hex"`
+}
+
+type responseFixture struct {
+	ProtocolVersion           string `json:"protocol_version"`
+	RequestID                 string `json:"request_id"`
+	TimestampMS               int64  `json:"timestamp_ms"`
+	ResultCode                string `json:"result_code"`
+	Payload                   string `json:"payload"`
+	PayloadHashHex            string `json:"payload_hash_hex"`
+	ExpectedCanonicalBytesHex string `json:"expected_canonical_bytes_hex"`
+	PrivateKeySeedHex         string `json:"private_key_seed_hex"`
+	PublicKeyBase64           string `json:"public_key_base64"`
+	ExpectedSignatureHex      string `json:"expected_signature_hex"`
+}
+
+type eventFixture struct {
+	EventType                 string `json:"event_type"`
+	EventID                   string `json:"event_id"`
+	TimestampMS               int64  `json:"timestamp_ms"`
+	RequestID                 string `json:"request_id"`
+	TraceID                   string `json:"trace_id"`
+	Payload                   string `json:"payload"`
+	PayloadHashHex            string `json:"payload_hash_hex"`
+	ExpectedCanonicalBytesHex string `json:"expected_canonical_bytes_hex"`
+	PrivateKeySeedHex         string `json:"private_key_seed_hex"`
+	PublicKeyBase64           string `json:"public_key_base64"`
+	ExpectedSignatureHex      string `json:"expected_signature_hex"`
+}
+
+func loadJSONFixture(t *testing.T, name string, into any) {
+	t.Helper()
+
+	body, err := os.ReadFile(filepath.Join("testdata", name))
+	require.NoError(t, err, "read %s", name)
+	require.NoError(t, json.Unmarshal(body, into), "decode %s", name)
+}
+
+func mustHex(t *testing.T, value string) []byte {
+	t.Helper()
+
+	decoded, err := hex.DecodeString(value)
+	require.NoError(t, err)
+
+	return decoded
+}
+
+func sha256Sum(payload []byte) []byte {
+	sum := sha256.Sum256(payload)
+	return sum[:]
+}