refactor(rpc): streamline RPC node selection and remove hardcoded defaults

src/config/config.go

@@ -36,7 +36,6 @@ var (
 	TgManage           int64
 	UsdtRate           float64
 	RateApiUrl         string
-	TRON_GRID_API_KEY  string
 	BuildVersion       = "0.0.0-dev"
 	BuildCommit        = "none"
 	BuildDate          = "unknown"
@@ -79,7 +78,6 @@ func Init() {
 	TgManage = viper.GetInt64("tg_manage")
 
 	RateApiUrl = GetRateApiUrl()
-	TRON_GRID_API_KEY = viper.GetString("tron_grid_api_key")
 }
 
 func mustMkdir(path string) {
@@ -398,15 +396,3 @@ func GetCallbackRetryBaseDuration() time.Duration {
 	}
 	return time.Duration(seconds) * time.Second
 }
-
-func GetSolanaRpcUrl() string {
-	rpcUrl := viper.GetString("solana_rpc_url")
-	if rpcUrl == "" {
-		return "https://api.mainnet-beta.solana.com"
-	}
-	return rpcUrl
-}
-
-func GetEthereumWsUrl() string {
-	return strings.TrimSpace(viper.GetString("ethereum_ws_url"))
-}

src/model/data/rpc_node_data.go

@@ -47,8 +47,8 @@ func DeleteRpcNodeByID(id uint64) error {
 
 // SelectRpcNode picks a healthy RPC endpoint for a (network, type) pair.
 // Strategy: weighted random among rows where enabled=true AND status=ok.
-// Falls back to any enabled row when none are healthy yet (bootstrap case
+// Falls back to enabled rows with status=unknown when no health check has
-// where the health check hasn't run). Returns nil if nothing is defined.
+// run yet. Explicitly down rows are not selected.
 func SelectRpcNode(network, nodeType string) (*mdb.RpcNode, error) {
 	var rows []mdb.RpcNode
 	err := dao.Mdb.Model(&mdb.RpcNode{}).
@@ -62,15 +62,22 @@ func SelectRpcNode(network, nodeType string) (*mdb.RpcNode, error) {
 	if len(rows) == 0 {
 		return nil, nil
 	}
-	healthy := rows[:0]
+	healthy := make([]mdb.RpcNode, 0, len(rows))
+	bootstrap := make([]mdb.RpcNode, 0, len(rows))
 	for _, r := range rows {
-		if r.Status == mdb.RpcNodeStatusOk {
+		switch r.Status {
+		case mdb.RpcNodeStatusOk:
 			healthy = append(healthy, r)
+		case "", mdb.RpcNodeStatusUnknown:
+			bootstrap = append(bootstrap, r)
 		}
 	}
 	candidates := healthy
 	if len(candidates) == 0 {
-		candidates = rows // bootstrap: no health check has run yet
+		candidates = bootstrap
+	}
+	if len(candidates) == 0 {
+		return nil, nil
 	}
 	return pickWeighted(candidates), nil
 }

src/model/data/rpc_node_data_test.go

@@ -0,0 +1,101 @@
+package data
+
+import (
+	"testing"
+
+	"github.com/assimon/luuu/internal/testutil"
+	"github.com/assimon/luuu/model/dao"
+	"github.com/assimon/luuu/model/mdb"
+)
+
+func TestSelectRpcNodeUsesHealthyRow(t *testing.T) {
+	cleanup := testutil.SetupTestDatabases(t)
+	defer cleanup()
+
+	if err := dao.Mdb.Create(&mdb.RpcNode{
+		Network: mdb.NetworkSolana,
+		Url:     "https://unknown.example.com",
+		Type:    mdb.RpcNodeTypeHttp,
+		Weight:  1,
+		Enabled: true,
+		Status:  mdb.RpcNodeStatusUnknown,
+	}).Error; err != nil {
+		t.Fatalf("seed unknown rpc_node: %v", err)
+	}
+	if err := dao.Mdb.Create(&mdb.RpcNode{
+		Network: mdb.NetworkSolana,
+		Url:     "https://ok.example.com",
+		Type:    mdb.RpcNodeTypeHttp,
+		Weight:  1,
+		Enabled: true,
+		Status:  mdb.RpcNodeStatusOk,
+	}).Error; err != nil {
+		t.Fatalf("seed ok rpc_node: %v", err)
+	}
+
+	got, err := SelectRpcNode(mdb.NetworkSolana, mdb.RpcNodeTypeHttp)
+	if err != nil {
+		t.Fatalf("SelectRpcNode(): %v", err)
+	}
+	if got == nil || got.Url != "https://ok.example.com" {
+		t.Fatalf("SelectRpcNode() = %#v, want ok row", got)
+	}
+}
+
+func TestSelectRpcNodeFallsBackToUnknownOnly(t *testing.T) {
+	cleanup := testutil.SetupTestDatabases(t)
+	defer cleanup()
+
+	if err := dao.Mdb.Create(&mdb.RpcNode{
+		Network: mdb.NetworkSolana,
+		Url:     "https://unknown.example.com",
+		Type:    mdb.RpcNodeTypeHttp,
+		Weight:  1,
+		Enabled: true,
+		Status:  mdb.RpcNodeStatusUnknown,
+	}).Error; err != nil {
+		t.Fatalf("seed unknown rpc_node: %v", err)
+	}
+	if err := dao.Mdb.Create(&mdb.RpcNode{
+		Network: mdb.NetworkSolana,
+		Url:     "https://down.example.com",
+		Type:    mdb.RpcNodeTypeHttp,
+		Weight:  1,
+		Enabled: true,
+		Status:  mdb.RpcNodeStatusDown,
+	}).Error; err != nil {
+		t.Fatalf("seed down rpc_node: %v", err)
+	}
+
+	got, err := SelectRpcNode(mdb.NetworkSolana, mdb.RpcNodeTypeHttp)
+	if err != nil {
+		t.Fatalf("SelectRpcNode(): %v", err)
+	}
+	if got == nil || got.Url != "https://unknown.example.com" {
+		t.Fatalf("SelectRpcNode() = %#v, want unknown row", got)
+	}
+}
+
+func TestSelectRpcNodeIgnoresDownRows(t *testing.T) {
+	cleanup := testutil.SetupTestDatabases(t)
+	defer cleanup()
+
+	if err := dao.Mdb.Create(&mdb.RpcNode{
+		Network: mdb.NetworkSolana,
+		Url:     "https://down.example.com",
+		Type:    mdb.RpcNodeTypeHttp,
+		Weight:  1,
+		Enabled: true,
+		Status:  mdb.RpcNodeStatusDown,
+	}).Error; err != nil {
+		t.Fatalf("seed down rpc_node: %v", err)
+	}
+
+	got, err := SelectRpcNode(mdb.NetworkSolana, mdb.RpcNodeTypeHttp)
+	if err != nil {
+		t.Fatalf("SelectRpcNode(): %v", err)
+	}
+	if got != nil {
+		t.Fatalf("SelectRpcNode() = %#v, want nil", got)
+	}
+}

src/model/service/sol_task.go

@@ -281,6 +281,21 @@ type solSignatureResult struct {
 	BlockTime *int64      `json:"blockTime"`
 }
 
+func resolveSolanaRpcURL() (string, error) {
+	node, err := data.SelectRpcNode(mdb.NetworkSolana, mdb.RpcNodeTypeHttp)
+	if err != nil {
+		return "", err
+	}
+	if node == nil || node.ID == 0 {
+		return "", fmt.Errorf("no enabled %s %s RPC node configured in rpc_nodes", mdb.NetworkSolana, mdb.RpcNodeTypeHttp)
+	}
+	rpcURL := strings.TrimSpace(node.Url)
+	if rpcURL == "" {
+		return "", fmt.Errorf("rpc_nodes id=%d has empty url", node.ID)
+	}
+	return rpcURL, nil
+}
+
 // SolRetryClient 发送 Solana JSON-RPC 请求，自动重试
 func SolRetryClient(method string, params []interface{}) ([]byte, error) {
 	client := resty.New()
@@ -297,7 +312,10 @@ func SolRetryClient(method string, params []interface{}) ([]byte, error) {
 		return false
 	})
 
-	rpcUrl := config.GetSolanaRpcUrl()
+	rpcUrl, err := resolveSolanaRpcURL()
+	if err != nil {
+		return nil, err
+	}
 
 	resp, err := client.R().
 		SetHeader("Content-Type", "application/json").

src/model/service/sol_task_test.go

@@ -2,13 +2,59 @@ package service
 
 import (
 	"encoding/json"
-	"fmt"
+	"os"
 	"testing"
 
+	"github.com/assimon/luuu/internal/testutil"
+	"github.com/assimon/luuu/model/dao"
+	"github.com/assimon/luuu/model/mdb"
 	"github.com/tidwall/gjson"
 )
 
+func setupSolanaRPCNode(t *testing.T, url string) func() {
+	t.Helper()
+
+	cleanup := testutil.SetupTestDatabases(t)
+	node := &mdb.RpcNode{
+		Network: mdb.NetworkSolana,
+		Url:     url,
+		Type:    mdb.RpcNodeTypeHttp,
+		Weight:  1,
+		Enabled: true,
+		Status:  mdb.RpcNodeStatusOk,
+	}
+	if err := dao.Mdb.Create(node).Error; err != nil {
+		cleanup()
+		t.Fatalf("seed solana rpc_node: %v", err)
+	}
+	return cleanup
+}
+
+func TestResolveSolanaRpcURLRequiresRpcNode(t *testing.T) {
+	cleanup := testutil.SetupTestDatabases(t)
+	defer cleanup()
+
+	if got, err := resolveSolanaRpcURL(); err == nil {
+		t.Fatalf("resolveSolanaRpcURL() = %q, nil; want error", got)
+	}
+}
+
+func TestResolveSolanaRpcURLWithRow(t *testing.T) {
+	cleanup := setupSolanaRPCNode(t, " https://solana.example.com ")
+	defer cleanup()
+
+	got, err := resolveSolanaRpcURL()
+	if err != nil {
+		t.Fatalf("resolveSolanaRpcURL(): %v", err)
+	}
+	if got != "https://solana.example.com" {
+		t.Fatalf("resolveSolanaRpcURL() = %q, want https://solana.example.com", got)
+	}
+}
+
 func TestSolClientHealthy(t *testing.T) {
+	requireSolanaIntegration(t)
+
 	bodyData, err := SolRetryClient("getHealth", nil)
 	if err != nil {
 		t.Fatalf("SolRetryClient failed: %v", err)
@@ -33,6 +79,8 @@ func TestSolClientHealthy(t *testing.T) {
 }
 
 func TestSolClientGetSignaturesForAddress(t *testing.T) {
+	requireSolanaIntegration(t)
+
 	// Example wallet address (replace with actual test address)
 	address := "2uFTf9TZ8gd7Kg6hkb79TxfaeNpaAgpJ8uVHguv2Yweu"
 
@@ -57,6 +105,8 @@ func TestSolClientGetSignaturesForAddress(t *testing.T) {
 }
 
 func TestSolClientGetTransaction(t *testing.T) {
+	requireSolanaIntegration(t)
+
 	// Example transaction signature (replace with actual test signature)
 	sig := "2aEoNykk4ZJ27C3y7EDJiQUc7GFnnsMe7ofFzB73swGL8kTxSBFCnwzWw3jzr3BND7k8hx15fZHUUAbG1XemNFe5"
 
@@ -64,7 +114,6 @@ func TestSolClientGetTransaction(t *testing.T) {
 	if err != nil {
 		t.Fatalf("SolRetryClient failed: %v", err)
 	}
-	fmt.Printf("%v\n", string(txData))
 
 	var result map[string]interface{}
 	err = json.Unmarshal(txData, &result)
@@ -80,6 +129,15 @@ func TestSolClientGetTransaction(t *testing.T) {
 	t.Logf("Transaction Info for signature %s: %v", sig, txInfo)
 }
 
+func requireSolanaIntegration(t *testing.T) {
+	t.Helper()
+	if testing.Short() || os.Getenv("RUN_SOLANA_INTEGRATION_TESTS") == "" {
+		t.Skip("set RUN_SOLANA_INTEGRATION_TESTS=1 to run Solana public RPC integration tests")
+	}
+	cleanup := setupSolanaRPCNode(t, "https://api.mainnet-beta.solana.com")
+	t.Cleanup(cleanup)
+}
+
 func TestFindATAAddress(t *testing.T) {
 	tests := []struct {
 		name  string
@@ -219,9 +277,7 @@ func TestAdjustAmount(t *testing.T) {
 }
 
 func TestParseTransferInfoFromInstruction_SplTransfer(t *testing.T) {
-	if testing.Short() {
+	requireSolanaIntegration(t)
-		t.Skip("Skipping integration test")
-	}
 
 	// SPL Token "transfer" (no mint in instruction, must look up from postTokenBalances)
 	sig := "3tZTwLrvmiZ59h4UzyMHPd7DPux7t9eXZgkUvEfquaoSuERrPSRNzWuSHKQM2fbiCWFDGNqoLpu2kLZnfoegVpqN"
@@ -261,9 +317,7 @@ func TestParseTransferInfoFromInstruction_SplTransfer(t *testing.T) {
 }
 
 func TestParseTransferInfoFromInstruction_TransferChecked(t *testing.T) {
-	if testing.Short() {
+	requireSolanaIntegration(t)
-		t.Skip("Skipping integration test")
-	}
 
 	// SPL Token "transferChecked" (has mint and tokenAmount in instruction)
 	sig := "2aEoNykk4ZJ27C3y7EDJiQUc7GFnnsMe7ofFzB73swGL8kTxSBFCnwzWw3jzr3BND7k8hx15fZHUUAbG1XemNFe5"
@@ -306,9 +360,7 @@ func TestParseTransferInfoFromInstruction_TransferChecked(t *testing.T) {
 }
 
 func TestParseTransferInfoFromInstruction_SystemTransfer(t *testing.T) {
-	if testing.Short() {
+	requireSolanaIntegration(t)
-		t.Skip("Skipping integration test")
-	}
 
 	// System program SOL transfer
 	sig := "5pNMonUBvLVpxXTmyd5CGVBs49W6781g2ACnrCXhbmtz58KENYA7HSqu6hQkQweg3qQboRd8WAscphNAtiq9UtZZ"

src/model/service/task_service.go

@@ -9,7 +9,6 @@ import (
 	"strings"
 	"sync"
 
-	"github.com/assimon/luuu/config"
 	tron "github.com/assimon/luuu/crypto"
 	"github.com/assimon/luuu/model/data"
 	"github.com/assimon/luuu/model/mdb"
@@ -26,19 +25,21 @@ import (
 	"github.com/tidwall/gjson"
 )
 
-// tronNodeDefault is the fallback when no rpc_nodes row exists for TRON.
-const tronNodeDefault = "https://api.trongrid.io"
-
 // resolveTronNode returns (baseURL, apiKey) for the TRON HTTP RPC node.
-// It reads the first healthy (or any enabled) row from the rpc_nodes table;
+// It reads the first healthy (or any enabled) row from the rpc_nodes table.
-// if none exists it falls back to the hard-coded default URL and the
+func resolveTronNode() (string, string, error) {
-// tron_grid_api_key value from .env (config.TRON_GRID_API_KEY).
-func resolveTronNode() (string, string) {
 	node, err := data.SelectRpcNode(mdb.NetworkTron, mdb.RpcNodeTypeHttp)
-	if err == nil && node != nil && node.ID > 0 {
+	if err != nil {
-		return strings.TrimRight(node.Url, "/"), node.ApiKey
+		return "", "", err
 	}
-	return tronNodeDefault, config.TRON_GRID_API_KEY
+	if node == nil || node.ID == 0 {
+		return "", "", fmt.Errorf("no enabled %s %s RPC node configured in rpc_nodes", mdb.NetworkTron, mdb.RpcNodeTypeHttp)
+	}
+	rpcURL := strings.TrimRight(strings.TrimSpace(node.Url), "/")
+	if rpcURL == "" {
+		return "", "", fmt.Errorf("rpc_nodes id=%d has empty url", node.ID)
+	}
+	return rpcURL, node.ApiKey, nil
 }
 
 func Trc20CallBack(address string, wg *sync.WaitGroup) {
@@ -79,7 +80,11 @@ func checkTrxTransfers(address string, wg *sync.WaitGroup) {
 	client := http_client.GetHttpClient()
 	startTime := carbon.Now().AddHours(-24).TimestampMilli()
 	endTime := carbon.Now().TimestampMilli()
-	tronBaseURL, tronAPIKey := resolveTronNode()
+	tronBaseURL, tronAPIKey, err := resolveTronNode()
+	if err != nil {
+		log.Sugar.Errorf("[TRX][%s] resolve rpc_nodes err=%v", address, err)
+		return
+	}
 	url := fmt.Sprintf("%s/v1/accounts/%s/transactions", tronBaseURL, address)
 
 	resp, err := client.R().SetQueryParams(map[string]string{
@@ -217,7 +222,11 @@ func checkTrc20Transfers(address string, wg *sync.WaitGroup) {
 	client := http_client.GetHttpClient()
 	startTime := carbon.Now().AddHours(-24).TimestampMilli()
 	endTime := carbon.Now().TimestampMilli()
-	tronBaseURL, tronAPIKey := resolveTronNode()
+	tronBaseURL, tronAPIKey, err := resolveTronNode()
+	if err != nil {
+		log.Sugar.Errorf("[TRC20][%s] resolve rpc_nodes err=%v", address, err)
+		return
+	}
 	url := fmt.Sprintf("%s/v1/accounts/%s/transactions/trc20", tronBaseURL, address)
 
 	resp, err := client.R().SetQueryParams(map[string]string{

src/model/service/task_tron_test.go

@@ -3,26 +3,19 @@ package service
 import (
 	"testing"
 
-	"github.com/assimon/luuu/config"
 	"github.com/assimon/luuu/internal/testutil"
 	"github.com/assimon/luuu/model/dao"
 	"github.com/assimon/luuu/model/mdb"
 )
 
-// TestResolveTronNode_NoRow verifies that resolveTronNode falls back to the
+// TestResolveTronNode_NoRow verifies that resolveTronNode requires an enabled
-// hard-coded default when the rpc_nodes table has no TRON row.
+// TRON row from rpc_nodes.
 func TestResolveTronNode_NoRow(t *testing.T) {
 	cleanup := testutil.SetupTestDatabases(t)
 	defer cleanup()
 
-	config.TRON_GRID_API_KEY = "fallback-key"
+	if gotURL, gotKey, err := resolveTronNode(); err == nil {
-
+		t.Fatalf("resolveTronNode() = (%q, %q, nil), want error", gotURL, gotKey)
-	gotURL, gotKey := resolveTronNode()
-	if gotURL != tronNodeDefault {
-		t.Errorf("url = %q, want %q", gotURL, tronNodeDefault)
-	}
-	if gotKey != "fallback-key" {
-		t.Errorf("apiKey = %q, want \"fallback-key\"", gotKey)
 	}
 }
 
@@ -32,8 +25,6 @@ func TestResolveTronNode_WithRow(t *testing.T) {
 	cleanup := testutil.SetupTestDatabases(t)
 	defer cleanup()
 
-	config.TRON_GRID_API_KEY = "fallback-key"
-
 	// Insert an enabled TRON http node.
 	node := &mdb.RpcNode{
 		Network: mdb.NetworkTron,
@@ -48,7 +39,10 @@ func TestResolveTronNode_WithRow(t *testing.T) {
 		t.Fatalf("seed rpc_node: %v", err)
 	}
 
-	gotURL, gotKey := resolveTronNode()
+	gotURL, gotKey, err := resolveTronNode()
+	if err != nil {
+		t.Fatalf("resolveTronNode(): %v", err)
+	}
 	if gotURL != "https://custom-tron.example.com" {
 		t.Errorf("url = %q, want https://custom-tron.example.com", gotURL)
 	}
@@ -57,14 +51,11 @@ func TestResolveTronNode_WithRow(t *testing.T) {
 	}
 }
 
-// TestResolveTronNode_DisabledRow verifies that a disabled row is ignored and
+// TestResolveTronNode_DisabledRow verifies that a disabled row is ignored.
-// the fallback is used.
 func TestResolveTronNode_DisabledRow(t *testing.T) {
 	cleanup := testutil.SetupTestDatabases(t)
 	defer cleanup()
 
-	config.TRON_GRID_API_KEY = "fallback-key"
-
 	node := &mdb.RpcNode{
 		Network: mdb.NetworkTron,
 		Url:     "https://disabled-tron.example.com",
@@ -82,11 +73,7 @@ func TestResolveTronNode_DisabledRow(t *testing.T) {
 		t.Fatalf("disable rpc_node: %v", err)
 	}
 
-	gotURL, gotKey := resolveTronNode()
+	if gotURL, gotKey, err := resolveTronNode(); err == nil {
-	if gotURL != tronNodeDefault {
+		t.Fatalf("resolveTronNode() = (%q, %q, nil), want error", gotURL, gotKey)
-		t.Errorf("url = %q, want %q (disabled row should be ignored)", gotURL, tronNodeDefault)
-	}
-	if gotKey != "fallback-key" {
-		t.Errorf("apiKey = %q, want \"fallback-key\"", gotKey)
 	}
 }

src/task/listen_bsc.go

@@ -18,8 +18,6 @@ import (
 	"github.com/ethereum/go-ethereum/ethclient"
 )
 
-const bscDefaultWsURL = "wss://bsc.drpc.org"
-
 type bscRecipientSnapshot struct {
 	addrs map[string]struct{}
 }
@@ -68,7 +66,10 @@ func runBscListener(contracts []common.Address) {
 		}
 	}()
 
-	wsURL := resolveChainWsURL(mdb.NetworkBsc, bscDefaultWsURL)
+	wsURL, ok := resolveChainWsURL(mdb.NetworkBsc, "[BSC-WS]")
+	if !ok {
+		return
+	}
 	log.Sugar.Infof("[BSC-WS] connecting to %s watching %d contract(s)", wsURL, len(contracts))
 
 	query := ethereum.FilterQuery{

src/task/listen_chain_common.go

@@ -90,12 +90,22 @@ func loadChainTokenContracts(network, logPrefix string) []common.Address {
 }
 
 // resolveChainWsURL picks a healthy WS endpoint from rpc_nodes for the
-// given network, falling back to the provided default (usually the
+// given network. If no enabled node is configured, the caller skips the
-// public node URL) when no row is configured.
+// current listener run so admin-side disabled/deleted rows are respected.
-func resolveChainWsURL(network, fallback string) string {
+func resolveChainWsURL(network, logPrefix string) (string, bool) {
 	node, err := data.SelectRpcNode(network, mdb.RpcNodeTypeWs)
 	if err == nil && node != nil && node.ID > 0 {
-		return node.Url
+		rpcURL := strings.TrimSpace(node.Url)
+		if rpcURL != "" {
+			return rpcURL, true
+		}
+		log.Sugar.Errorf("%s rpc_nodes id=%d has empty url", logPrefix, node.ID)
+		return "", false
 	}
-	return fallback
+	if err != nil {
+		log.Sugar.Errorf("%s resolve rpc_nodes err=%v", logPrefix, err)
+	} else {
+		log.Sugar.Warnf("%s no enabled %s WS RPC node configured in rpc_nodes", logPrefix, network)
+	}
+	return "", false
 }

src/task/listen_chain_common_test.go

@@ -0,0 +1,67 @@
+package task
+
+import (
+	"testing"
+
+	"github.com/assimon/luuu/internal/testutil"
+	"github.com/assimon/luuu/model/dao"
+	"github.com/assimon/luuu/model/mdb"
+)
+
+func TestResolveChainWsURLRequiresEnabledRpcNode(t *testing.T) {
+	cleanup := testutil.SetupTestDatabases(t)
+	defer cleanup()
+
+	if got, ok := resolveChainWsURL(mdb.NetworkEthereum, "[TEST]"); ok {
+		t.Fatalf("resolveChainWsURL() = (%q, true), want false", got)
+	}
+}
+
+func TestResolveChainWsURLWithRow(t *testing.T) {
+	cleanup := testutil.SetupTestDatabases(t)
+	defer cleanup()
+
+	node := &mdb.RpcNode{
+		Network: mdb.NetworkEthereum,
+		Url:     " wss://ethereum.example.com ",
+		Type:    mdb.RpcNodeTypeWs,
+		Weight:  1,
+		Enabled: true,
+		Status:  mdb.RpcNodeStatusOk,
+	}
+	if err := dao.Mdb.Create(node).Error; err != nil {
+		t.Fatalf("seed rpc_node: %v", err)
+	}
+
+	got, ok := resolveChainWsURL(mdb.NetworkEthereum, "[TEST]")
+	if !ok {
+		t.Fatalf("resolveChainWsURL() ok=false, want true")
+	}
+	if got != "wss://ethereum.example.com" {
+		t.Fatalf("resolveChainWsURL() = %q, want wss://ethereum.example.com", got)
+	}
+}
+
+func TestResolveChainWsURLDisabledRow(t *testing.T) {
+	cleanup := testutil.SetupTestDatabases(t)
+	defer cleanup()
+
+	node := &mdb.RpcNode{
+		Network: mdb.NetworkEthereum,
+		Url:     "wss://disabled.example.com",
+		Type:    mdb.RpcNodeTypeWs,
+		Weight:  1,
+		Enabled: true,
+		Status:  mdb.RpcNodeStatusOk,
+	}
+	if err := dao.Mdb.Create(node).Error; err != nil {
+		t.Fatalf("seed rpc_node: %v", err)
+	}
+	if err := dao.Mdb.Model(node).Update("enabled", false).Error; err != nil {
+		t.Fatalf("disable rpc_node: %v", err)
+	}
+
+	if got, ok := resolveChainWsURL(mdb.NetworkEthereum, "[TEST]"); ok {
+		t.Fatalf("resolveChainWsURL() = (%q, true), want false", got)
+	}
+}

src/task/listen_eth.go

@@ -7,7 +7,6 @@ import (
 	"sync/atomic"
 	"time"
 
-	"github.com/assimon/luuu/config"
 	"github.com/assimon/luuu/model/data"
 	"github.com/assimon/luuu/model/mdb"
 	"github.com/assimon/luuu/model/service"
@@ -22,22 +21,6 @@ import (
 // Transfer 事件签名 — ERC-20 signature, same on every EVM chain.
 var transferEventHash = common.HexToHash("0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef")
 
-const ethereumDefaultWsURL = "wss://ethereum.publicnode.com"
-
-// resolveEthereumWsURL picks a healthy WS endpoint. Falls back to the
-// legacy .env value (if set) before the shared default — keeps existing
-// deployments working until the admin adds an rpc_nodes row.
-func resolveEthereumWsURL() string {
-	node, err := data.SelectRpcNode(mdb.NetworkEthereum, mdb.RpcNodeTypeWs)
-	if err == nil && node != nil && node.ID > 0 {
-		return node.Url
-	}
-	if u := config.GetEthereumWsUrl(); u != "" {
-		return u
-	}
-	return ethereumDefaultWsURL
-}
-
 type ethRecipientSnapshot struct {
 	addrs map[string]struct{}
 }
@@ -88,7 +71,10 @@ func runEthereumListener(contracts []common.Address) {
 		}
 	}()
 
-	wsURL := resolveEthereumWsURL()
+	wsURL, ok := resolveChainWsURL(mdb.NetworkEthereum, "[ETH-WS]")
+	if !ok {
+		return
+	}
 	log.Sugar.Infof("[ETH-WS] connecting to %s watching %d contract(s)", wsURL, len(contracts))
 
 	query := ethereum.FilterQuery{
@@ -145,4 +131,3 @@ func isWatchedEthRecipient(to common.Address) bool {
 	_, ok := snap.addrs[strings.ToLower(to.Hex())]
 	return ok
 }
-

src/task/listen_plasma.go

@@ -18,8 +18,6 @@ import (
 	"github.com/ethereum/go-ethereum/ethclient"
 )
 
-const plasmaDefaultWsURL = "wss://rpc.plasma.to"
-
 type plasmaRecipientSnapshot struct {
 	addrs map[string]struct{}
 }
@@ -67,7 +65,10 @@ func runPlasmaListener(contracts []common.Address) {
 		}
 	}()
 
-	wsURL := resolveChainWsURL(mdb.NetworkPlasma, plasmaDefaultWsURL)
+	wsURL, ok := resolveChainWsURL(mdb.NetworkPlasma, "[PLASMA-WS]")
+	if !ok {
+		return
+	}
 	log.Sugar.Infof("[PLASMA-WS] connecting to %s watching %d contract(s)", wsURL, len(contracts))
 
 	query := ethereum.FilterQuery{

src/task/listen_polygon.go

@@ -18,8 +18,6 @@ import (
 	"github.com/ethereum/go-ethereum/ethclient"
 )
 
-const polygonDefaultWsURL = "wss://polygon-bor-rpc.publicnode.com"
-
 type polygonRecipientSnapshot struct {
 	addrs map[string]struct{}
 }
@@ -67,7 +65,10 @@ func runPolygonListener(contracts []common.Address) {
 		}
 	}()
 
-	wsURL := resolveChainWsURL(mdb.NetworkPolygon, polygonDefaultWsURL)
+	wsURL, ok := resolveChainWsURL(mdb.NetworkPolygon, "[POLYGON-WS]")
+	if !ok {
+		return
+	}
 	log.Sugar.Infof("[POLYGON-WS] connecting to %s watching %d contract(s)", wsURL, len(contracts))
 
 	query := ethereum.FilterQuery{