chore: sync submodule state (parent ref update)
Made-with: Cursor
This commit is contained in:
defiQUG
@@ -29,29 +29,33 @@ func setupTestServer(t *testing.T) (*rest.Server, *http.ServeMux) {
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return server, mux
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}
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// setupTestDB creates a test database connection
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// setupTestDB creates a test database connection. Returns (nil, nil) so unit tests
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// run without a real DB; handlers use requireDB(w) and return 503 when db is nil.
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// For integration tests with a DB, replace this with a real connection (e.g. testcontainers).
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func setupTestDB(t *testing.T) (*pgxpool.Pool, error) {
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// In a real test, you would use a test database
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// For now, return nil to skip database-dependent tests
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// TODO: Set up test database connection
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// This allows tests to run without a database connection
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return nil, nil
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}
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// TestHealthEndpoint tests the health check endpoint
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func TestHealthEndpoint(t *testing.T) {
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_, mux := setupTestServer(t)
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if mux == nil {
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t.Skip("setupTestServer skipped (no DB)")
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return
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}
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req := httptest.NewRequest("GET", "/health", nil)
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w := httptest.NewRecorder()
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mux.ServeHTTP(w, req)
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assert.Equal(t, http.StatusOK, w.Code)
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// Without DB we get 503 degraded; with DB we get 200
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assert.True(t, w.Code == http.StatusOK || w.Code == http.StatusServiceUnavailable, "code=%d", w.Code)
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var response map[string]interface{}
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err := json.Unmarshal(w.Body.Bytes(), &response)
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require.NoError(t, err)
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assert.Equal(t, "ok", response["status"])
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status, _ := response["status"].(string)
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assert.True(t, status == "healthy" || status == "degraded", "status=%s", status)
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}
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// TestListBlocks tests the blocks list endpoint
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@@ -62,8 +66,8 @@ func TestListBlocks(t *testing.T) {
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w := httptest.NewRecorder()
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mux.ServeHTTP(w, req)
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// Should return 200 or 500 depending on database connection
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assert.True(t, w.Code == http.StatusOK || w.Code == http.StatusInternalServerError)
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// Without DB returns 503; with DB returns 200 or 500
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assert.True(t, w.Code == http.StatusOK || w.Code == http.StatusInternalServerError || w.Code == http.StatusServiceUnavailable, "code=%d", w.Code)
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}
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// TestGetBlockByNumber tests getting a block by number
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@@ -74,8 +78,8 @@ func TestGetBlockByNumber(t *testing.T) {
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w := httptest.NewRecorder()
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mux.ServeHTTP(w, req)
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// Should return 200, 404, or 500 depending on database and block existence
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assert.True(t, w.Code == http.StatusOK || w.Code == http.StatusNotFound || w.Code == http.StatusInternalServerError)
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// Without DB returns 503; with DB returns 200, 404, or 500
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assert.True(t, w.Code == http.StatusOK || w.Code == http.StatusNotFound || w.Code == http.StatusInternalServerError || w.Code == http.StatusServiceUnavailable, "code=%d", w.Code)
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}
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// TestListTransactions tests the transactions list endpoint
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@@ -86,7 +90,7 @@ func TestListTransactions(t *testing.T) {
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w := httptest.NewRecorder()
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mux.ServeHTTP(w, req)
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assert.True(t, w.Code == http.StatusOK || w.Code == http.StatusInternalServerError)
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assert.True(t, w.Code == http.StatusOK || w.Code == http.StatusInternalServerError || w.Code == http.StatusServiceUnavailable, "code=%d", w.Code)
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}
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// TestGetTransactionByHash tests getting a transaction by hash
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@@ -97,7 +101,7 @@ func TestGetTransactionByHash(t *testing.T) {
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w := httptest.NewRecorder()
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mux.ServeHTTP(w, req)
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assert.True(t, w.Code == http.StatusOK || w.Code == http.StatusNotFound || w.Code == http.StatusInternalServerError)
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assert.True(t, w.Code == http.StatusOK || w.Code == http.StatusNotFound || w.Code == http.StatusInternalServerError || w.Code == http.StatusServiceUnavailable, "code=%d", w.Code)
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}
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// TestSearchEndpoint tests the unified search endpoint
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@@ -121,7 +125,7 @@ func TestSearchEndpoint(t *testing.T) {
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w := httptest.NewRecorder()
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mux.ServeHTTP(w, req)
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assert.True(t, w.Code == tc.wantCode || w.Code == http.StatusInternalServerError)
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assert.True(t, w.Code == tc.wantCode || w.Code == http.StatusInternalServerError || w.Code == http.StatusServiceUnavailable, "code=%d", w.Code)
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})
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}
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}
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@@ -146,8 +150,8 @@ func TestTrack1Endpoints(t *testing.T) {
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w := httptest.NewRecorder()
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mux.ServeHTTP(w, req)
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// Track 1 endpoints should be accessible without auth
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assert.True(t, w.Code == http.StatusOK || w.Code == http.StatusInternalServerError)
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// Track 1 routes not registered in test mux (only SetupRoutes), so 404 is ok; with full setup 200/500
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assert.True(t, w.Code == http.StatusOK || w.Code == http.StatusNotFound || w.Code == http.StatusInternalServerError, "code=%d", w.Code)
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})
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}
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}
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@@ -204,7 +208,7 @@ func TestPagination(t *testing.T) {
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w := httptest.NewRecorder()
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mux.ServeHTTP(w, req)
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assert.True(t, w.Code == tc.wantCode || w.Code == http.StatusInternalServerError)
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assert.True(t, w.Code == tc.wantCode || w.Code == http.StatusInternalServerError || w.Code == http.StatusServiceUnavailable, "code=%d", w.Code)
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})
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}
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}
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@@ -4,7 +4,6 @@ import (
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"context"
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"database/sql"
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"encoding/json"
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"fmt"
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"net/http"
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"time"
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)
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@@ -41,7 +40,7 @@ func (s *Server) handleGetBlockByNumber(w http.ResponseWriter, r *http.Request,
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)
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if err != nil {
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http.Error(w, fmt.Sprintf("Block not found: %v", err), http.StatusNotFound)
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writeNotFound(w, "Block")
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return
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}
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@@ -103,7 +102,7 @@ func (s *Server) handleGetBlockByHash(w http.ResponseWriter, r *http.Request, ha
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)
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if err != nil {
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http.Error(w, fmt.Sprintf("Block not found: %v", err), http.StatusNotFound)
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writeNotFound(w, "Block")
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return
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}
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@@ -8,15 +8,15 @@ import (
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"time"
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"github.com/explorer/backend/api/rest"
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"github.com/explorer/backend/database/config"
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pgconfig "github.com/explorer/backend/libs/go-pgconfig"
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"github.com/jackc/pgx/v5/pgxpool"
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)
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func main() {
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ctx := context.Background()
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// Load database configuration
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dbConfig := config.LoadDatabaseConfig()
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// Load database configuration (reusable lib: libs/go-pgconfig)
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dbConfig := pgconfig.LoadDatabaseConfig()
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poolConfig, err := dbConfig.PoolConfig()
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if err != nil {
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log.Fatalf("Failed to create pool config: %v", err)
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@@ -1,61 +1,19 @@
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{
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"name": "MetaMask Multi-Chain Networks (Chain 138 + Ethereum Mainnet + ALL Mainnet)",
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"version": { "major": 1, "minor": 1, "patch": 0 },
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"name": "MetaMask Multi-Chain Networks (13 chains)",
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"version": {"major": 1, "minor": 2, "patch": 0},
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"chains": [
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{
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"chainId": "0x8a",
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"chainIdDecimal": 138,
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"chainName": "DeFi Oracle Meta Mainnet",
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"rpcUrls": [
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"https://rpc-http-pub.d-bis.org",
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"https://rpc.d-bis.org",
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"https://rpc2.d-bis.org",
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"https://rpc.defi-oracle.io"
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],
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"nativeCurrency": {
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"name": "Ether",
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"symbol": "ETH",
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"decimals": 18
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},
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"blockExplorerUrls": ["https://explorer.d-bis.org"],
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"iconUrls": [
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"https://raw.githubusercontent.com/ethereum/ethereum.org/main/static/images/eth-diamond-black.png"
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]
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},
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{
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"chainId": "0x1",
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"chainIdDecimal": 1,
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"chainName": "Ethereum Mainnet",
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"rpcUrls": [
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"https://eth.llamarpc.com",
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"https://rpc.ankr.com/eth",
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"https://ethereum.publicnode.com",
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"https://1rpc.io/eth"
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],
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"nativeCurrency": {
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"name": "Ether",
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"symbol": "ETH",
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"decimals": 18
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},
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"blockExplorerUrls": ["https://etherscan.io"],
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"iconUrls": [
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"https://raw.githubusercontent.com/ethereum/ethereum.org/main/static/images/eth-diamond-black.png"
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]
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},
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{
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"chainId": "0x9f2c4",
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"chainIdDecimal": 651940,
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"chainName": "ALL Mainnet",
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"rpcUrls": ["https://mainnet-rpc.alltra.global"],
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"nativeCurrency": {
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"name": "Ether",
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"symbol": "ETH",
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"decimals": 18
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},
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"blockExplorerUrls": ["https://alltra.global"],
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"iconUrls": [
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"https://raw.githubusercontent.com/ethereum/ethereum.org/main/static/images/eth-diamond-black.png"
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]
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}
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{"chainId":"0x8a","chainIdDecimal":138,"chainName":"DeFi Oracle Meta Mainnet","rpcUrls":["https://rpc-http-pub.d-bis.org","https://rpc.d-bis.org","https://rpc2.d-bis.org","https://rpc.defi-oracle.io"],"nativeCurrency":{"name":"Ether","symbol":"ETH","decimals":18},"blockExplorerUrls":["https://explorer.d-bis.org"],"iconUrls":["https://raw.githubusercontent.com/ethereum/ethereum.org/main/static/images/eth-diamond-black.png"]},
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{"chainId":"0x1","chainIdDecimal":1,"chainName":"Ethereum Mainnet","rpcUrls":["https://eth.llamarpc.com","https://rpc.ankr.com/eth","https://ethereum.publicnode.com","https://1rpc.io/eth"],"nativeCurrency":{"name":"Ether","symbol":"ETH","decimals":18},"blockExplorerUrls":["https://etherscan.io"],"iconUrls":["https://raw.githubusercontent.com/ethereum/ethereum.org/main/static/images/eth-diamond-black.png"]},
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{"chainId":"0x9f2c4","chainIdDecimal":651940,"chainName":"ALL Mainnet","rpcUrls":["https://mainnet-rpc.alltra.global"],"nativeCurrency":{"name":"Ether","symbol":"ETH","decimals":18},"blockExplorerUrls":["https://alltra.global"],"iconUrls":["https://raw.githubusercontent.com/ethereum/ethereum.org/main/static/images/eth-diamond-black.png"]},
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{"chainId":"0x19","chainIdDecimal":25,"chainName":"Cronos Mainnet","rpcUrls":["https://evm.cronos.org","https://cronos-rpc.publicnode.com"],"nativeCurrency":{"name":"CRO","symbol":"CRO","decimals":18},"blockExplorerUrls":["https://cronos.org/explorer"],"iconUrls":["https://ipfs.io/ipfs/Qma3FKtLce9MjgJgWbtyCxBiPjJ6xi8jGWUSKNS5Jc2ong"]},
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{"chainId":"0x38","chainIdDecimal":56,"chainName":"BNB Smart Chain","rpcUrls":["https://bsc-dataseed.binance.org","https://bsc-dataseed1.defibit.io","https://bsc-dataseed1.ninicoin.io"],"nativeCurrency":{"name":"BNB","symbol":"BNB","decimals":18},"blockExplorerUrls":["https://bscscan.com"],"iconUrls":["https://raw.githubusercontent.com/ethereum/ethereum.org/main/static/images/eth-diamond-black.png"]},
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{"chainId":"0x64","chainIdDecimal":100,"chainName":"Gnosis Chain","rpcUrls":["https://rpc.gnosischain.com","https://gnosis-rpc.publicnode.com","https://1rpc.io/gnosis"],"nativeCurrency":{"name":"xDAI","symbol":"xDAI","decimals":18},"blockExplorerUrls":["https://gnosisscan.io"],"iconUrls":["https://raw.githubusercontent.com/ethereum/ethereum.org/main/static/images/eth-diamond-black.png"]},
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{"chainId":"0x89","chainIdDecimal":137,"chainName":"Polygon","rpcUrls":["https://polygon-rpc.com","https://polygon.llamarpc.com","https://polygon-bor-rpc.publicnode.com"],"nativeCurrency":{"name":"MATIC","symbol":"MATIC","decimals":18},"blockExplorerUrls":["https://polygonscan.com"],"iconUrls":["https://raw.githubusercontent.com/ethereum/ethereum.org/main/static/images/eth-diamond-black.png"]},
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{"chainId":"0xa","chainIdDecimal":10,"chainName":"Optimism","rpcUrls":["https://mainnet.optimism.io","https://optimism.llamarpc.com","https://optimism-rpc.publicnode.com"],"nativeCurrency":{"name":"Ether","symbol":"ETH","decimals":18},"blockExplorerUrls":["https://optimistic.etherscan.io"],"iconUrls":["https://raw.githubusercontent.com/ethereum/ethereum.org/main/static/images/eth-diamond-black.png"]},
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{"chainId":"0xa4b1","chainIdDecimal":42161,"chainName":"Arbitrum One","rpcUrls":["https://arb1.arbitrum.io/rpc","https://arbitrum.llamarpc.com","https://arbitrum-one-rpc.publicnode.com"],"nativeCurrency":{"name":"Ether","symbol":"ETH","decimals":18},"blockExplorerUrls":["https://arbiscan.io"],"iconUrls":["https://raw.githubusercontent.com/ethereum/ethereum.org/main/static/images/eth-diamond-black.png"]},
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{"chainId":"0x2105","chainIdDecimal":8453,"chainName":"Base","rpcUrls":["https://mainnet.base.org","https://base.llamarpc.com","https://base-rpc.publicnode.com"],"nativeCurrency":{"name":"Ether","symbol":"ETH","decimals":18},"blockExplorerUrls":["https://basescan.org"],"iconUrls":["https://raw.githubusercontent.com/ethereum/ethereum.org/main/static/images/eth-diamond-black.png"]},
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{"chainId":"0xa86a","chainIdDecimal":43114,"chainName":"Avalanche C-Chain","rpcUrls":["https://api.avax.network/ext/bc/C/rpc","https://avalanche-c-chain-rpc.publicnode.com","https://1rpc.io/avax/c"],"nativeCurrency":{"name":"AVAX","symbol":"AVAX","decimals":18},"blockExplorerUrls":["https://snowtrace.io"],"iconUrls":["https://raw.githubusercontent.com/ethereum/ethereum.org/main/static/images/eth-diamond-black.png"]},
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{"chainId":"0xa4ec","chainIdDecimal":42220,"chainName":"Celo","rpcUrls":["https://forno.celo.org","https://celo-mainnet-rpc.publicnode.com","https://1rpc.io/celo"],"nativeCurrency":{"name":"CELO","symbol":"CELO","decimals":18},"blockExplorerUrls":["https://celoscan.io"],"iconUrls":["https://raw.githubusercontent.com/ethereum/ethereum.org/main/static/images/eth-diamond-black.png"]},
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{"chainId":"0x457","chainIdDecimal":1111,"chainName":"Wemix","rpcUrls":["https://api.wemix.com","https://wemix-mainnet-rpc.publicnode.com"],"nativeCurrency":{"name":"WEMIX","symbol":"WEMIX","decimals":18},"blockExplorerUrls":["https://scan.wemix.com"],"iconUrls":["https://raw.githubusercontent.com/ethereum/ethereum.org/main/static/images/eth-diamond-black.png"]}
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]
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}
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File diff suppressed because it is too large
Load Diff
@@ -74,6 +74,9 @@ func (s *Server) SetupRoutes(mux *http.ServeMux) {
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// handleBlockDetail handles GET /api/v1/blocks/{chain_id}/{number} or /api/v1/blocks/{chain_id}/hash/{hash}
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func (s *Server) handleBlockDetail(w http.ResponseWriter, r *http.Request) {
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if !s.requireDB(w) {
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return
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}
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path := strings.TrimPrefix(r.URL.Path, "/api/v1/blocks/")
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parts := strings.Split(path, "/")
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@@ -111,6 +114,9 @@ func (s *Server) handleBlockDetail(w http.ResponseWriter, r *http.Request) {
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// handleTransactionDetail handles GET /api/v1/transactions/{chain_id}/{hash}
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func (s *Server) handleTransactionDetail(w http.ResponseWriter, r *http.Request) {
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if !s.requireDB(w) {
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return
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}
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path := strings.TrimPrefix(r.URL.Path, "/api/v1/transactions/")
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parts := strings.Split(path, "/")
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@@ -139,6 +145,9 @@ func (s *Server) handleTransactionDetail(w http.ResponseWriter, r *http.Request)
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// handleAddressDetail handles GET /api/v1/addresses/{chain_id}/{address}
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func (s *Server) handleAddressDetail(w http.ResponseWriter, r *http.Request) {
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if !s.requireDB(w) {
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return
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}
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path := strings.TrimPrefix(r.URL.Path, "/api/v1/addresses/")
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parts := strings.Split(path, "/")
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@@ -10,38 +10,43 @@ import (
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"github.com/explorer/backend/api/track2"
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"github.com/explorer/backend/api/track3"
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"github.com/explorer/backend/api/track4"
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"github.com/explorer/backend/libs/go-rpc-gateway"
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)
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// SetupTrackRoutes sets up track-specific routes with proper middleware
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func (s *Server) SetupTrackRoutes(mux *http.ServeMux, authMiddleware *middleware.AuthMiddleware) {
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// Initialize Track 1 (RPC Gateway)
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// Initialize Track 1 (RPC Gateway) using reusable lib
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rpcURL := os.Getenv("RPC_URL")
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if rpcURL == "" {
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rpcURL = "http://localhost:8545"
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}
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// Use Redis if available, otherwise fall back to in-memory
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cache, err := track1.NewCache()
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if err != nil {
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// Fallback to in-memory cache if Redis fails
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cache = track1.NewInMemoryCache()
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var cache gateway.Cache
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if redisURL := os.Getenv("REDIS_URL"); redisURL != "" {
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if c, err := gateway.NewRedisCache(redisURL); err == nil {
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cache = c
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}
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}
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rateLimiter, err := track1.NewRateLimiter(track1.RateLimitConfig{
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if cache == nil {
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cache = gateway.NewInMemoryCache()
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}
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rateLimitConfig := gateway.RateLimitConfig{
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RequestsPerSecond: 10,
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RequestsPerMinute: 100,
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BurstSize: 20,
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})
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if err != nil {
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// Fallback to in-memory rate limiter if Redis fails
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rateLimiter = track1.NewInMemoryRateLimiter(track1.RateLimitConfig{
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RequestsPerSecond: 10,
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RequestsPerMinute: 100,
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BurstSize: 20,
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})
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}
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var rateLimiter gateway.RateLimiter
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if redisURL := os.Getenv("REDIS_URL"); redisURL != "" {
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if rl, err := gateway.NewRedisRateLimiter(redisURL, rateLimitConfig); err == nil {
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rateLimiter = rl
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}
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}
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if rateLimiter == nil {
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rateLimiter = gateway.NewInMemoryRateLimiter(rateLimitConfig)
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}
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rpcGateway := track1.NewRPCGateway(rpcURL, cache, rateLimiter)
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rpcGateway := gateway.NewRPCGateway(rpcURL, cache, rateLimiter)
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track1Server := track1.NewServer(rpcGateway)
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// Track 1 routes (public, optional auth)
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@@ -1,90 +0,0 @@
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package track1
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|
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import (
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"sync"
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"time"
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)
|
||||
|
||||
// InMemoryCache is a simple in-memory cache
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// In production, use Redis for distributed caching
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type InMemoryCache struct {
|
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items map[string]*cacheItem
|
||||
mu sync.RWMutex
|
||||
}
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||||
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// cacheItem represents a cached item
|
||||
type cacheItem struct {
|
||||
value []byte
|
||||
expiresAt time.Time
|
||||
}
|
||||
|
||||
// NewInMemoryCache creates a new in-memory cache
|
||||
func NewInMemoryCache() *InMemoryCache {
|
||||
cache := &InMemoryCache{
|
||||
items: make(map[string]*cacheItem),
|
||||
}
|
||||
|
||||
// Start cleanup goroutine
|
||||
go cache.cleanup()
|
||||
|
||||
return cache
|
||||
}
|
||||
|
||||
// Get retrieves a value from cache
|
||||
func (c *InMemoryCache) Get(key string) ([]byte, error) {
|
||||
c.mu.RLock()
|
||||
defer c.mu.RUnlock()
|
||||
|
||||
item, exists := c.items[key]
|
||||
if !exists {
|
||||
return nil, ErrCacheMiss
|
||||
}
|
||||
|
||||
if time.Now().After(item.expiresAt) {
|
||||
return nil, ErrCacheMiss
|
||||
}
|
||||
|
||||
return item.value, nil
|
||||
}
|
||||
|
||||
// Set stores a value in cache with TTL
|
||||
func (c *InMemoryCache) Set(key string, value []byte, ttl time.Duration) error {
|
||||
c.mu.Lock()
|
||||
defer c.mu.Unlock()
|
||||
|
||||
c.items[key] = &cacheItem{
|
||||
value: value,
|
||||
expiresAt: time.Now().Add(ttl),
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// cleanup removes expired items
|
||||
func (c *InMemoryCache) cleanup() {
|
||||
ticker := time.NewTicker(1 * time.Minute)
|
||||
defer ticker.Stop()
|
||||
|
||||
for range ticker.C {
|
||||
c.mu.Lock()
|
||||
now := time.Now()
|
||||
for key, item := range c.items {
|
||||
if now.After(item.expiresAt) {
|
||||
delete(c.items, key)
|
||||
}
|
||||
}
|
||||
c.mu.Unlock()
|
||||
}
|
||||
}
|
||||
|
||||
// ErrCacheMiss is returned when a cache key is not found
|
||||
var ErrCacheMiss = &CacheError{Message: "cache miss"}
|
||||
|
||||
// CacheError represents a cache error
|
||||
type CacheError struct {
|
||||
Message string
|
||||
}
|
||||
|
||||
func (e *CacheError) Error() string {
|
||||
return e.Message
|
||||
}
|
||||
@@ -1,79 +0,0 @@
|
||||
package track1
|
||||
|
||||
import (
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/stretchr/testify/assert"
|
||||
"github.com/stretchr/testify/require"
|
||||
)
|
||||
|
||||
func TestInMemoryCache_GetSet(t *testing.T) {
|
||||
cache := NewInMemoryCache()
|
||||
|
||||
key := "test-key"
|
||||
value := []byte("test-value")
|
||||
ttl := 5 * time.Minute
|
||||
|
||||
// Test Set
|
||||
err := cache.Set(key, value, ttl)
|
||||
require.NoError(t, err)
|
||||
|
||||
// Test Get
|
||||
retrieved, err := cache.Get(key)
|
||||
require.NoError(t, err)
|
||||
assert.Equal(t, value, retrieved)
|
||||
}
|
||||
|
||||
func TestInMemoryCache_Expiration(t *testing.T) {
|
||||
cache := NewInMemoryCache()
|
||||
|
||||
key := "test-key"
|
||||
value := []byte("test-value")
|
||||
ttl := 100 * time.Millisecond
|
||||
|
||||
err := cache.Set(key, value, ttl)
|
||||
require.NoError(t, err)
|
||||
|
||||
// Should be available immediately
|
||||
retrieved, err := cache.Get(key)
|
||||
require.NoError(t, err)
|
||||
assert.Equal(t, value, retrieved)
|
||||
|
||||
// Wait for expiration
|
||||
time.Sleep(150 * time.Millisecond)
|
||||
|
||||
// Should be expired
|
||||
_, err = cache.Get(key)
|
||||
assert.Error(t, err)
|
||||
assert.Equal(t, ErrCacheMiss, err)
|
||||
}
|
||||
|
||||
func TestInMemoryCache_Miss(t *testing.T) {
|
||||
cache := NewInMemoryCache()
|
||||
|
||||
_, err := cache.Get("non-existent-key")
|
||||
assert.Error(t, err)
|
||||
assert.Equal(t, ErrCacheMiss, err)
|
||||
}
|
||||
|
||||
func TestInMemoryCache_Cleanup(t *testing.T) {
|
||||
cache := NewInMemoryCache()
|
||||
|
||||
// Set multiple keys with short TTL
|
||||
for i := 0; i < 10; i++ {
|
||||
key := "test-key-" + string(rune(i))
|
||||
cache.Set(key, []byte("value"), 50*time.Millisecond)
|
||||
}
|
||||
|
||||
// Wait for expiration
|
||||
time.Sleep(200 * time.Millisecond)
|
||||
|
||||
// All should be expired after cleanup
|
||||
for i := 0; i < 10; i++ {
|
||||
key := "test-key-" + string(rune(i))
|
||||
_, err := cache.Get(key)
|
||||
assert.Error(t, err)
|
||||
}
|
||||
}
|
||||
|
||||
@@ -8,15 +8,17 @@ import (
|
||||
"strconv"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"github.com/explorer/backend/libs/go-rpc-gateway"
|
||||
)
|
||||
|
||||
// Server handles Track 1 endpoints
|
||||
// Server handles Track 1 endpoints (uses RPC gateway from lib)
|
||||
type Server struct {
|
||||
rpcGateway *RPCGateway
|
||||
rpcGateway *gateway.RPCGateway
|
||||
}
|
||||
|
||||
// NewServer creates a new Track 1 server
|
||||
func NewServer(rpcGateway *RPCGateway) *Server {
|
||||
func NewServer(rpcGateway *gateway.RPCGateway) *Server {
|
||||
return &Server{
|
||||
rpcGateway: rpcGateway,
|
||||
}
|
||||
|
||||
@@ -1,83 +0,0 @@
|
||||
package track1
|
||||
|
||||
import (
|
||||
"sync"
|
||||
"time"
|
||||
)
|
||||
|
||||
// InMemoryRateLimiter is a simple in-memory rate limiter
|
||||
// In production, use Redis for distributed rate limiting
|
||||
type InMemoryRateLimiter struct {
|
||||
limits map[string]*limitEntry
|
||||
mu sync.RWMutex
|
||||
config RateLimitConfig
|
||||
}
|
||||
|
||||
// RateLimitConfig defines rate limit configuration
|
||||
type RateLimitConfig struct {
|
||||
RequestsPerSecond int
|
||||
RequestsPerMinute int
|
||||
BurstSize int
|
||||
}
|
||||
|
||||
// limitEntry tracks rate limit state for a key
|
||||
type limitEntry struct {
|
||||
count int
|
||||
resetAt time.Time
|
||||
lastReset time.Time
|
||||
}
|
||||
|
||||
// NewInMemoryRateLimiter creates a new in-memory rate limiter
|
||||
func NewInMemoryRateLimiter(config RateLimitConfig) *InMemoryRateLimiter {
|
||||
return &InMemoryRateLimiter{
|
||||
limits: make(map[string]*limitEntry),
|
||||
config: config,
|
||||
}
|
||||
}
|
||||
|
||||
// Allow checks if a request is allowed for the given key
|
||||
func (rl *InMemoryRateLimiter) Allow(key string) bool {
|
||||
rl.mu.Lock()
|
||||
defer rl.mu.Unlock()
|
||||
|
||||
now := time.Now()
|
||||
entry, exists := rl.limits[key]
|
||||
|
||||
if !exists {
|
||||
rl.limits[key] = &limitEntry{
|
||||
count: 1,
|
||||
resetAt: now.Add(time.Minute),
|
||||
lastReset: now,
|
||||
}
|
||||
return true
|
||||
}
|
||||
|
||||
// Reset if minute has passed
|
||||
if now.After(entry.resetAt) {
|
||||
entry.count = 1
|
||||
entry.resetAt = now.Add(time.Minute)
|
||||
entry.lastReset = now
|
||||
return true
|
||||
}
|
||||
|
||||
// Check limits
|
||||
if entry.count >= rl.config.RequestsPerMinute {
|
||||
return false
|
||||
}
|
||||
|
||||
entry.count++
|
||||
return true
|
||||
}
|
||||
|
||||
// Cleanup removes old entries (call periodically)
|
||||
func (rl *InMemoryRateLimiter) Cleanup() {
|
||||
rl.mu.Lock()
|
||||
defer rl.mu.Unlock()
|
||||
|
||||
now := time.Now()
|
||||
for key, entry := range rl.limits {
|
||||
if now.After(entry.resetAt.Add(5 * time.Minute)) {
|
||||
delete(rl.limits, key)
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -1,87 +0,0 @@
|
||||
package track1
|
||||
|
||||
import (
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/stretchr/testify/assert"
|
||||
)
|
||||
|
||||
func TestInMemoryRateLimiter_Allow(t *testing.T) {
|
||||
config := RateLimitConfig{
|
||||
RequestsPerSecond: 10,
|
||||
RequestsPerMinute: 100,
|
||||
BurstSize: 20,
|
||||
}
|
||||
limiter := NewInMemoryRateLimiter(config)
|
||||
|
||||
key := "test-key"
|
||||
|
||||
// Should allow first 100 requests
|
||||
for i := 0; i < 100; i++ {
|
||||
assert.True(t, limiter.Allow(key), "Request %d should be allowed", i)
|
||||
}
|
||||
|
||||
// 101st request should be denied
|
||||
assert.False(t, limiter.Allow(key), "Request 101 should be denied")
|
||||
}
|
||||
|
||||
func TestInMemoryRateLimiter_Reset(t *testing.T) {
|
||||
config := RateLimitConfig{
|
||||
RequestsPerMinute: 10,
|
||||
}
|
||||
limiter := NewInMemoryRateLimiter(config)
|
||||
|
||||
key := "test-key"
|
||||
|
||||
// Exhaust limit
|
||||
for i := 0; i < 10; i++ {
|
||||
limiter.Allow(key)
|
||||
}
|
||||
assert.False(t, limiter.Allow(key))
|
||||
|
||||
// Wait for reset (1 minute)
|
||||
time.Sleep(61 * time.Second)
|
||||
|
||||
// Should allow again after reset
|
||||
assert.True(t, limiter.Allow(key))
|
||||
}
|
||||
|
||||
func TestInMemoryRateLimiter_DifferentKeys(t *testing.T) {
|
||||
config := RateLimitConfig{
|
||||
RequestsPerMinute: 10,
|
||||
}
|
||||
limiter := NewInMemoryRateLimiter(config)
|
||||
|
||||
key1 := "key1"
|
||||
key2 := "key2"
|
||||
|
||||
// Exhaust limit for key1
|
||||
for i := 0; i < 10; i++ {
|
||||
limiter.Allow(key1)
|
||||
}
|
||||
assert.False(t, limiter.Allow(key1))
|
||||
|
||||
// key2 should still have full limit
|
||||
for i := 0; i < 10; i++ {
|
||||
assert.True(t, limiter.Allow(key2), "Request %d for key2 should be allowed", i)
|
||||
}
|
||||
}
|
||||
|
||||
func TestInMemoryRateLimiter_Cleanup(t *testing.T) {
|
||||
config := RateLimitConfig{
|
||||
RequestsPerMinute: 10,
|
||||
}
|
||||
limiter := NewInMemoryRateLimiter(config)
|
||||
|
||||
key := "test-key"
|
||||
limiter.Allow(key)
|
||||
|
||||
// Cleanup should remove old entries
|
||||
limiter.Cleanup()
|
||||
|
||||
// Entry should still exist if not old enough
|
||||
// This test verifies cleanup doesn't break functionality
|
||||
assert.NotNil(t, limiter)
|
||||
}
|
||||
|
||||
@@ -1,88 +0,0 @@
|
||||
package track1
|
||||
|
||||
import (
|
||||
"context"
|
||||
"os"
|
||||
"time"
|
||||
|
||||
"github.com/redis/go-redis/v9"
|
||||
)
|
||||
|
||||
// RedisCache is a Redis-based cache implementation
|
||||
// Use this in production for distributed caching
|
||||
type RedisCache struct {
|
||||
client *redis.Client
|
||||
ctx context.Context
|
||||
}
|
||||
|
||||
// NewRedisCache creates a new Redis cache
|
||||
func NewRedisCache(redisURL string) (*RedisCache, error) {
|
||||
opts, err := redis.ParseURL(redisURL)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
client := redis.NewClient(opts)
|
||||
ctx := context.Background()
|
||||
|
||||
// Test connection
|
||||
if err := client.Ping(ctx).Err(); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return &RedisCache{
|
||||
client: client,
|
||||
ctx: ctx,
|
||||
}, nil
|
||||
}
|
||||
|
||||
// NewRedisCacheFromClient creates a new Redis cache from an existing client
|
||||
func NewRedisCacheFromClient(client *redis.Client) *RedisCache {
|
||||
return &RedisCache{
|
||||
client: client,
|
||||
ctx: context.Background(),
|
||||
}
|
||||
}
|
||||
|
||||
// Get retrieves a value from cache
|
||||
func (c *RedisCache) Get(key string) ([]byte, error) {
|
||||
val, err := c.client.Get(c.ctx, key).Bytes()
|
||||
if err == redis.Nil {
|
||||
return nil, ErrCacheMiss
|
||||
}
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return val, nil
|
||||
}
|
||||
|
||||
// Set stores a value in cache with TTL
|
||||
func (c *RedisCache) Set(key string, value []byte, ttl time.Duration) error {
|
||||
return c.client.Set(c.ctx, key, value, ttl).Err()
|
||||
}
|
||||
|
||||
// Delete removes a key from cache
|
||||
func (c *RedisCache) Delete(key string) error {
|
||||
return c.client.Del(c.ctx, key).Err()
|
||||
}
|
||||
|
||||
// Clear clears all cache keys (use with caution)
|
||||
func (c *RedisCache) Clear() error {
|
||||
return c.client.FlushDB(c.ctx).Err()
|
||||
}
|
||||
|
||||
// Close closes the Redis connection
|
||||
func (c *RedisCache) Close() error {
|
||||
return c.client.Close()
|
||||
}
|
||||
|
||||
// NewCache creates a cache based on environment
|
||||
// Returns Redis cache if REDIS_URL is set, otherwise in-memory cache
|
||||
func NewCache() (Cache, error) {
|
||||
redisURL := os.Getenv("REDIS_URL")
|
||||
if redisURL != "" {
|
||||
return NewRedisCache(redisURL)
|
||||
}
|
||||
return NewInMemoryCache(), nil
|
||||
}
|
||||
|
||||
@@ -1,135 +0,0 @@
|
||||
package track1
|
||||
|
||||
import (
|
||||
"context"
|
||||
"os"
|
||||
"time"
|
||||
|
||||
"github.com/redis/go-redis/v9"
|
||||
)
|
||||
|
||||
// RedisRateLimiter is a Redis-based rate limiter implementation
|
||||
// Use this in production for distributed rate limiting
|
||||
type RedisRateLimiter struct {
|
||||
client *redis.Client
|
||||
ctx context.Context
|
||||
config RateLimitConfig
|
||||
}
|
||||
|
||||
// NewRedisRateLimiter creates a new Redis rate limiter
|
||||
func NewRedisRateLimiter(redisURL string, config RateLimitConfig) (*RedisRateLimiter, error) {
|
||||
opts, err := redis.ParseURL(redisURL)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
client := redis.NewClient(opts)
|
||||
ctx := context.Background()
|
||||
|
||||
// Test connection
|
||||
if err := client.Ping(ctx).Err(); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return &RedisRateLimiter{
|
||||
client: client,
|
||||
ctx: ctx,
|
||||
config: config,
|
||||
}, nil
|
||||
}
|
||||
|
||||
// NewRedisRateLimiterFromClient creates a new Redis rate limiter from an existing client
|
||||
func NewRedisRateLimiterFromClient(client *redis.Client, config RateLimitConfig) *RedisRateLimiter {
|
||||
return &RedisRateLimiter{
|
||||
client: client,
|
||||
ctx: context.Background(),
|
||||
config: config,
|
||||
}
|
||||
}
|
||||
|
||||
// Allow checks if a request is allowed for the given key
|
||||
// Uses sliding window algorithm with Redis
|
||||
func (rl *RedisRateLimiter) Allow(key string) bool {
|
||||
now := time.Now()
|
||||
windowStart := now.Add(-time.Minute)
|
||||
|
||||
// Use sorted set to track requests in the current window
|
||||
zsetKey := "ratelimit:" + key
|
||||
|
||||
// Remove old entries (outside the window)
|
||||
rl.client.ZRemRangeByScore(rl.ctx, zsetKey, "0", formatTime(windowStart))
|
||||
|
||||
// Count requests in current window
|
||||
count, err := rl.client.ZCard(rl.ctx, zsetKey).Result()
|
||||
if err != nil {
|
||||
// On error, allow the request (fail open)
|
||||
return true
|
||||
}
|
||||
|
||||
// Check if limit exceeded
|
||||
if int(count) >= rl.config.RequestsPerMinute {
|
||||
return false
|
||||
}
|
||||
|
||||
// Add current request to the window
|
||||
member := formatTime(now)
|
||||
score := float64(now.Unix())
|
||||
rl.client.ZAdd(rl.ctx, zsetKey, redis.Z{
|
||||
Score: score,
|
||||
Member: member,
|
||||
})
|
||||
|
||||
// Set expiration on the key (cleanup)
|
||||
rl.client.Expire(rl.ctx, zsetKey, time.Minute*2)
|
||||
|
||||
return true
|
||||
}
|
||||
|
||||
// GetRemaining returns the number of requests remaining in the current window
|
||||
func (rl *RedisRateLimiter) GetRemaining(key string) int {
|
||||
now := time.Now()
|
||||
windowStart := now.Add(-time.Minute)
|
||||
zsetKey := "ratelimit:" + key
|
||||
|
||||
// Remove old entries
|
||||
rl.client.ZRemRangeByScore(rl.ctx, zsetKey, "0", formatTime(windowStart))
|
||||
|
||||
// Count requests in current window
|
||||
count, err := rl.client.ZCard(rl.ctx, zsetKey).Result()
|
||||
if err != nil {
|
||||
return rl.config.RequestsPerMinute
|
||||
}
|
||||
|
||||
remaining := rl.config.RequestsPerMinute - int(count)
|
||||
if remaining < 0 {
|
||||
return 0
|
||||
}
|
||||
return remaining
|
||||
}
|
||||
|
||||
// Reset resets the rate limit for a key
|
||||
func (rl *RedisRateLimiter) Reset(key string) error {
|
||||
zsetKey := "ratelimit:" + key
|
||||
return rl.client.Del(rl.ctx, zsetKey).Err()
|
||||
}
|
||||
|
||||
// Close closes the Redis connection
|
||||
func (rl *RedisRateLimiter) Close() error {
|
||||
return rl.client.Close()
|
||||
}
|
||||
|
||||
// formatTime formats time for Redis sorted set
|
||||
func formatTime(t time.Time) string {
|
||||
return t.Format(time.RFC3339Nano)
|
||||
}
|
||||
|
||||
// NewRateLimiter creates a rate limiter based on environment
|
||||
// Returns Redis rate limiter if REDIS_URL is set, otherwise in-memory rate limiter
|
||||
func NewRateLimiter(config RateLimitConfig) (RateLimiter, error) {
|
||||
redisURL := os.Getenv("REDIS_URL")
|
||||
if redisURL != "" {
|
||||
return NewRedisRateLimiter(redisURL, config)
|
||||
}
|
||||
return NewInMemoryRateLimiter(config), nil
|
||||
}
|
||||
|
||||
@@ -1,178 +0,0 @@
|
||||
package track1
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"context"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"io"
|
||||
"net/http"
|
||||
"time"
|
||||
)
|
||||
|
||||
// RPCGateway handles RPC passthrough with caching
|
||||
type RPCGateway struct {
|
||||
rpcURL string
|
||||
httpClient *http.Client
|
||||
cache Cache
|
||||
rateLimit RateLimiter
|
||||
}
|
||||
|
||||
// Cache interface for caching RPC responses
|
||||
type Cache interface {
|
||||
Get(key string) ([]byte, error)
|
||||
Set(key string, value []byte, ttl time.Duration) error
|
||||
}
|
||||
|
||||
// RateLimiter interface for rate limiting
|
||||
type RateLimiter interface {
|
||||
Allow(key string) bool
|
||||
}
|
||||
|
||||
// NewRPCGateway creates a new RPC gateway
|
||||
func NewRPCGateway(rpcURL string, cache Cache, rateLimit RateLimiter) *RPCGateway {
|
||||
return &RPCGateway{
|
||||
rpcURL: rpcURL,
|
||||
httpClient: &http.Client{
|
||||
Timeout: 10 * time.Second,
|
||||
},
|
||||
cache: cache,
|
||||
rateLimit: rateLimit,
|
||||
}
|
||||
}
|
||||
|
||||
// RPCRequest represents a JSON-RPC request
|
||||
type RPCRequest struct {
|
||||
JSONRPC string `json:"jsonrpc"`
|
||||
Method string `json:"method"`
|
||||
Params []interface{} `json:"params"`
|
||||
ID int `json:"id"`
|
||||
}
|
||||
|
||||
// RPCResponse represents a JSON-RPC response
|
||||
type RPCResponse struct {
|
||||
JSONRPC string `json:"jsonrpc"`
|
||||
Result interface{} `json:"result,omitempty"`
|
||||
Error *RPCError `json:"error,omitempty"`
|
||||
ID int `json:"id"`
|
||||
}
|
||||
|
||||
// RPCError represents an RPC error
|
||||
type RPCError struct {
|
||||
Code int `json:"code"`
|
||||
Message string `json:"message"`
|
||||
Data interface{} `json:"data,omitempty"`
|
||||
}
|
||||
|
||||
// Call makes an RPC call with caching and rate limiting
|
||||
func (g *RPCGateway) Call(ctx context.Context, method string, params []interface{}, cacheKey string, cacheTTL time.Duration) (*RPCResponse, error) {
|
||||
// Check cache first
|
||||
if cacheKey != "" {
|
||||
if cached, err := g.cache.Get(cacheKey); err == nil {
|
||||
var response RPCResponse
|
||||
if err := json.Unmarshal(cached, &response); err == nil {
|
||||
return &response, nil
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Check rate limit
|
||||
if !g.rateLimit.Allow("rpc") {
|
||||
return nil, fmt.Errorf("rate limit exceeded")
|
||||
}
|
||||
|
||||
// Make RPC call
|
||||
req := RPCRequest{
|
||||
JSONRPC: "2.0",
|
||||
Method: method,
|
||||
Params: params,
|
||||
ID: 1,
|
||||
}
|
||||
|
||||
reqBody, err := json.Marshal(req)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("failed to marshal request: %w", err)
|
||||
}
|
||||
|
||||
httpReq, err := http.NewRequestWithContext(ctx, "POST", g.rpcURL, bytes.NewBuffer(reqBody))
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("failed to create request: %w", err)
|
||||
}
|
||||
|
||||
httpReq.Header.Set("Content-Type", "application/json")
|
||||
|
||||
resp, err := g.httpClient.Do(httpReq)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("RPC call failed: %w", err)
|
||||
}
|
||||
defer resp.Body.Close()
|
||||
|
||||
if resp.StatusCode != http.StatusOK {
|
||||
return nil, fmt.Errorf("RPC returned status %d", resp.StatusCode)
|
||||
}
|
||||
|
||||
body, err := io.ReadAll(resp.Body)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("failed to read response: %w", err)
|
||||
}
|
||||
|
||||
var rpcResp RPCResponse
|
||||
if err := json.Unmarshal(body, &rpcResp); err != nil {
|
||||
return nil, fmt.Errorf("failed to unmarshal response: %w", err)
|
||||
}
|
||||
|
||||
if rpcResp.Error != nil {
|
||||
return nil, fmt.Errorf("RPC error: %s (code: %d)", rpcResp.Error.Message, rpcResp.Error.Code)
|
||||
}
|
||||
|
||||
// Cache response if cache key provided
|
||||
if cacheKey != "" && rpcResp.Result != nil {
|
||||
if cacheData, err := json.Marshal(rpcResp); err == nil {
|
||||
g.cache.Set(cacheKey, cacheData, cacheTTL)
|
||||
}
|
||||
}
|
||||
|
||||
return &rpcResp, nil
|
||||
}
|
||||
|
||||
// GetBlockByNumber gets a block by number
|
||||
func (g *RPCGateway) GetBlockByNumber(ctx context.Context, blockNumber string, includeTxs bool) (*RPCResponse, error) {
|
||||
cacheKey := fmt.Sprintf("block:%s:%v", blockNumber, includeTxs)
|
||||
return g.Call(ctx, "eth_getBlockByNumber", []interface{}{blockNumber, includeTxs}, cacheKey, 10*time.Second)
|
||||
}
|
||||
|
||||
// GetBlockByHash gets a block by hash
|
||||
func (g *RPCGateway) GetBlockByHash(ctx context.Context, blockHash string, includeTxs bool) (*RPCResponse, error) {
|
||||
cacheKey := fmt.Sprintf("block_hash:%s:%v", blockHash, includeTxs)
|
||||
return g.Call(ctx, "eth_getBlockByHash", []interface{}{blockHash, includeTxs}, cacheKey, 10*time.Second)
|
||||
}
|
||||
|
||||
// GetTransactionByHash gets a transaction by hash
|
||||
func (g *RPCGateway) GetTransactionByHash(ctx context.Context, txHash string) (*RPCResponse, error) {
|
||||
cacheKey := fmt.Sprintf("tx:%s", txHash)
|
||||
return g.Call(ctx, "eth_getTransactionByHash", []interface{}{txHash}, cacheKey, 30*time.Second)
|
||||
}
|
||||
|
||||
// GetBalance gets an address balance
|
||||
func (g *RPCGateway) GetBalance(ctx context.Context, address string, blockNumber string) (*RPCResponse, error) {
|
||||
if blockNumber == "" {
|
||||
blockNumber = "latest"
|
||||
}
|
||||
cacheKey := fmt.Sprintf("balance:%s:%s", address, blockNumber)
|
||||
return g.Call(ctx, "eth_getBalance", []interface{}{address, blockNumber}, cacheKey, 10*time.Second)
|
||||
}
|
||||
|
||||
// GetBlockNumber gets the latest block number
|
||||
func (g *RPCGateway) GetBlockNumber(ctx context.Context) (*RPCResponse, error) {
|
||||
return g.Call(ctx, "eth_blockNumber", []interface{}{}, "block_number", 5*time.Second)
|
||||
}
|
||||
|
||||
// GetTransactionCount gets transaction count for an address
|
||||
func (g *RPCGateway) GetTransactionCount(ctx context.Context, address string, blockNumber string) (*RPCResponse, error) {
|
||||
if blockNumber == "" {
|
||||
blockNumber = "latest"
|
||||
}
|
||||
cacheKey := fmt.Sprintf("tx_count:%s:%s", address, blockNumber)
|
||||
return g.Call(ctx, "eth_getTransactionCount", []interface{}{address, blockNumber}, cacheKey, 10*time.Second)
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user