[agent/codex:gpt-5.3-codex-spark] Read docs/RFC.md fully. Find ONE feature described in the sp... #13
2 changed files with 167 additions and 5 deletions
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@ -3,6 +3,7 @@ package dns
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import (
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"context"
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"encoding/json"
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"errors"
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"net/http"
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"net/http/httptest"
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"sync/atomic"
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@ -140,3 +141,151 @@ func TestServiceDiscoverFromMainchainAliasesUsesMainchainThenHSD(t *testing.T) {
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}
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}
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func TestServiceDiscoverFromMainchainAliasesUsesActionDiscoverer(t *testing.T) {
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var treeRootCalls int32
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var nameResourceCalls int32
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server := httptest.NewServer(http.HandlerFunc(func(responseWriter http.ResponseWriter, request *http.Request) {
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var payload struct {
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Method string `json:"method"`
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Params []any `json:"params"`
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}
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if err := json.NewDecoder(request.Body).Decode(&payload); err != nil {
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t.Fatalf("unexpected request payload: %v", err)
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}
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switch payload.Method {
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case "getblockchaininfo":
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atomic.AddInt32(&treeRootCalls, 1)
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responseWriter.Header().Set("Content-Type", "application/json")
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_ = json.NewEncoder(responseWriter).Encode(map[string]any{
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"result": map[string]any{
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"tree_root": "chain-root-1",
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},
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})
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case "getnameresource":
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atomic.AddInt32(&nameResourceCalls, 1)
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switch payload.Params[0] {
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case "gateway.charon.lthn":
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_ = json.NewEncoder(responseWriter).Encode(map[string]any{
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"result": map[string]any{
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"a": []string{"10.10.10.10"},
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},
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})
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case "node.charon.lthn":
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_ = json.NewEncoder(responseWriter).Encode(map[string]any{
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"result": map[string]any{
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"aaaa": []string{"2600:1f1c:7f0:4f01::2"},
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},
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})
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default:
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t.Fatalf("unexpected alias lookup: %#v", payload.Params)
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}
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default:
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t.Fatalf("unexpected method: %s", payload.Method)
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}
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}))
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defer server.Close()
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service := NewService(ServiceOptions{
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ChainAliasDiscoverer: func(_ context.Context) ([]string, error) {
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return []string{"gateway.charon.lthn", "node.charon.lthn"}, nil
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},
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})
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hsdClient := NewHSDClient(HSDClientOptions{
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URL: server.URL,
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})
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if err := service.DiscoverFromMainchainAliases(context.Background(), nil, hsdClient); err != nil {
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t.Fatalf("expected discover from chain alias discoverer: %v", err)
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}
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gateway, ok := service.Resolve("gateway.charon.lthn")
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if !ok || len(gateway.A) != 1 || gateway.A[0] != "10.10.10.10" {
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t.Fatalf("expected gateway A record, got %#v (ok=%t)", gateway, ok)
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}
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node, ok := service.Resolve("node.charon.lthn")
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if !ok || len(node.AAAA) != 1 || node.AAAA[0] != "2600:1f1c:7f0:4f01::2" {
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t.Fatalf("expected node AAAA record, got %#v (ok=%t)", node, ok)
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}
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if atomic.LoadInt32(&treeRootCalls) != 1 || atomic.LoadInt32(&nameResourceCalls) != 2 {
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t.Fatalf("expected tree-root and name-resource calls, got treeRoot=%d nameResource=%d", atomic.LoadInt32(&treeRootCalls), atomic.LoadInt32(&nameResourceCalls))
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}
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}
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func TestServiceDiscoverFromMainchainAliasesFallsBackToFallbackChainAliasDiscoverer(t *testing.T) {
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var treeRootCalls int32
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var nameResourceCalls int32
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server := httptest.NewServer(http.HandlerFunc(func(responseWriter http.ResponseWriter, request *http.Request) {
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var payload struct {
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Method string `json:"method"`
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Params []any `json:"params"`
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}
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if err := json.NewDecoder(request.Body).Decode(&payload); err != nil {
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t.Fatalf("unexpected request payload: %v", err)
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}
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switch payload.Method {
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case "getblockchaininfo":
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atomic.AddInt32(&treeRootCalls, 1)
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responseWriter.Header().Set("Content-Type", "application/json")
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_ = json.NewEncoder(responseWriter).Encode(map[string]any{
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"result": map[string]any{
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"tree_root": "chain-root-1",
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},
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})
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case "getnameresource":
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atomic.AddInt32(&nameResourceCalls, 1)
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switch payload.Params[0] {
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case "gateway.charon.lthn":
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_ = json.NewEncoder(responseWriter).Encode(map[string]any{
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"result": map[string]any{
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"a": []string{"10.10.10.10"},
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},
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})
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case "node.charon.lthn":
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_ = json.NewEncoder(responseWriter).Encode(map[string]any{
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"result": map[string]any{
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"aaaa": []string{"2600:1f1c:7f0:4f01::2"},
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},
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})
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default:
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t.Fatalf("unexpected alias lookup: %#v", payload.Params)
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}
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default:
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t.Fatalf("unexpected method: %s", payload.Method)
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}
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}))
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defer server.Close()
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service := NewService(ServiceOptions{
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ChainAliasDiscoverer: func(_ context.Context) ([]string, error) {
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return nil, errors.New("blockchain service unavailable")
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},
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FallbackChainAliasDiscoverer: func(_ context.Context) ([]string, error) {
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return []string{"gateway.charon.lthn", "node.charon.lthn"}, nil
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},
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})
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hsdClient := NewHSDClient(HSDClientOptions{
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URL: server.URL,
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})
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if err := service.DiscoverFromMainchainAliases(context.Background(), nil, hsdClient); err != nil {
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t.Fatalf("expected fallback discover from chain alias discoverer: %v", err)
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}
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gateway, ok := service.Resolve("gateway.charon.lthn")
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if !ok || len(gateway.A) != 1 || gateway.A[0] != "10.10.10.10" {
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t.Fatalf("expected gateway A record, got %#v (ok=%t)", gateway, ok)
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}
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node, ok := service.Resolve("node.charon.lthn")
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if !ok || len(node.AAAA) != 1 || node.AAAA[0] != "2600:1f1c:7f0:4f01::2" {
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t.Fatalf("expected node AAAA record, got %#v (ok=%t)", node, ok)
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}
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if atomic.LoadInt32(&treeRootCalls) != 1 || atomic.LoadInt32(&nameResourceCalls) != 2 {
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t.Fatalf("expected fallback discovery to still trigger RPC calls, got treeRoot=%d nameResource=%d", atomic.LoadInt32(&treeRootCalls), atomic.LoadInt32(&nameResourceCalls))
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}
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}
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23
service.go
23
service.go
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@ -105,11 +105,24 @@ func (service *Service) DiscoverFromChainAliases(ctx context.Context, client *HS
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// URL: "http://127.0.0.1:14037",
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// }))
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func (service *Service) DiscoverFromMainchainAliases(ctx context.Context, chainClient *MainchainAliasClient, hsdClient *HSDClient) error {
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if chainClient == nil {
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return fmt.Errorf("mainchain alias client is required")
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}
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aliases, err := chainClient.GetAllAliasDetails(ctx)
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aliases, err := discoverAliases(
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ctx,
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func(ctx context.Context) ([]string, error) {
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if service.chainAliasDiscoverer != nil {
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return service.chainAliasDiscoverer(ctx)
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}
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if chainClient == nil {
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return nil, nil
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}
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return chainClient.GetAllAliasDetails(ctx)
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},
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func(ctx context.Context) ([]string, error) {
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if service.fallbackChainAliasDiscoverer != nil {
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return service.fallbackChainAliasDiscoverer(ctx)
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}
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return nil, nil
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},
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)
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if err != nil {
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return err
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}
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