.gitignore

@@ -1,7 +1,5 @@
 /tmp
 config.yml
-whitelist.yml
-blacklist.yml
 relay_metadata.json
 grain.exe
 /build

app/static/examples/blacklist.example.yml

@@ -1,16 +0,0 @@
-enabled: true
-permanent_ban_words:
-  - nigger
-temp_ban_words:
-  - crypto
-  - web3
-  - airdrop
-max_temp_bans: 3
-temp_ban_duration: 3600
-permanent_blacklist_pubkeys:
-  - db0c9b8acd6101adb9b281c5321f98f6eebb33c5719d230ed1870997538a9765
-permanent_blacklist_npubs:
-  - npub1x0r5gflnk2mn6h3c70nvnywpy2j46gzqwg6k7uw6fxswyz0md9qqnhshtn
-mutelist_authors:
-  - 3fe0ab6cbdb7ee27148202249e3fb3b89423c6f6cda6ef43ea5057c3d93088e4
-# mutelist Event MUST be stored in this relay for it to be retrieved.

app/static/examples/config.example.yml

@@ -14,12 +14,6 @@ server:
   max_connections: 100
   max_subscriptions_per_client: 10
 
-event_time_constraints:
-  min_created_at: 1577836800 # January 1, 2020, as Unix timestamp
-  # min_created_at_string: now-5m  # Custom value to indicate 5 minutes in the past
-  # max_created_at: 0 # Set to 0 to use the default behavior of 'now'
-  max_created_at_string: now+5m # Use a string to set a date for max created at in the future or past from current time
-
 resource_limits:
   cpu_cores: 2 # Limit the number of CPU cores the application can use
   memory_mb: 1024 # Cap the maximum amount of RAM in MB the application can use
@@ -69,6 +63,33 @@ rate_limit:
       limit: 25
       burst: 50
 
+pubkey_whitelist:
+  enabled: false
+  pubkeys: [] # List of allowed public keys
+  npubs: [] # List of allowed npubs (Nostr public keys in bech32 format)
+
+kind_whitelist:
+  enabled: false
+  kinds: [] # List of allowed event kinds
+
+domain_whitelist:
+  enabled: false
+  domains: [] # List of allowed domains
+
+blacklist: #Removing a pubkey from the Blacklist requires a hard restart; Blacklist overides the Whitelist
+  enabled: true
+  permanent_ban_words: [] # Words that trigger a permanent ban
+  temp_ban_words: # Words that trigger a temporary ban
+    - crypto
+    - web3
+    - airdrop
+  max_temp_bans: 3 # Number of temporary bans before a permanent ban
+  temp_ban_duration: 3600 # Temporary ban duration in seconds
+  permanent_blacklist_pubkeys: # List of permanently banned public keys
+    - db0c9b8acd6101adb9b281c5321f98f6eebb33c5719d230ed1870997538a9765
+  permanent_blacklist_npubs: # List of permanently banned npubs
+    - npub1x0r5gflnk2mn6h3c70nvnywpy2j46gzqwg6k7uw6fxswyz0md9qqnhshtn
+
 event_purge:
   enabled: true # Toggle to enable/disable event purging
   keep_duration_days: 2 # Number of days to keep events

app/static/examples/whitelist.example.yml

@@ -1,20 +0,0 @@
-pubkey_whitelist:
-  enabled: false
-  pubkeys:
-    - pubkey1
-    - pubkey2
-  npubs:
-    - npub18ls2km9aklhzw9yzqgjfu0anhz2z83hkeknw7sl22ptu8kfs3rjq54am44
-    - npub2
-
-kind_whitelist:
-  enabled: false
-  kinds:
-    - "1"
-    - "2"
-
-domain_whitelist:
-  enabled: false
-  domains:
-    - "example.com"
-    - "anotherdomain.com"

config/Blacklist.go

@@ -1,43 +1,41 @@
 package config
 
 import (
-	"encoding/json"
 	"fmt"
 	types "grain/config/types"
 	"grain/server/utils"
-	"io"
 	"log"
 	"os"
 	"strings"
 	"sync"
 	"time"
 
-	"github.com/gorilla/websocket"
 	"gopkg.in/yaml.v2"
 )
 
 // CheckBlacklist checks if a pubkey is in the blacklist based on event content
 func CheckBlacklist(pubkey, eventContent string) (bool, string) {
-    blacklistConfig := GetBlacklistConfig()
+	blacklistConfig := GetConfig().Blacklist
-    if blacklistConfig == nil || !blacklistConfig.Enabled {
+
+	if !blacklistConfig.Enabled {
 		return false, ""
 	}
 
 	log.Printf("Checking blacklist for pubkey: %s", pubkey)
 
-    // Check for permanent blacklist by pubkey or npub.
+	// Check for permanent blacklist by pubkey or npub
 	if isPubKeyPermanentlyBlacklisted(pubkey, blacklistConfig) {
 		log.Printf("Pubkey %s is permanently blacklisted", pubkey)
 		return true, fmt.Sprintf("pubkey %s is permanently blacklisted", pubkey)
 	}
 
-    // Check for temporary ban.
+	// Check for temporary ban
 	if isPubKeyTemporarilyBlacklisted(pubkey) {
 		log.Printf("Pubkey %s is temporarily blacklisted", pubkey)
 		return true, fmt.Sprintf("pubkey %s is temporarily blacklisted", pubkey)
 	}
 
-    // Check for permanent ban based on wordlist.
+	// Check for permanent ban based on wordlist
 	for _, word := range blacklistConfig.PermanentBanWords {
 		if strings.Contains(eventContent, word) {
 			err := AddToPermanentBlacklist(pubkey)
@@ -48,10 +46,10 @@ func CheckBlacklist(pubkey, eventContent string) (bool, string) {
 		}
 	}
 
-    // Check for temporary ban based on wordlist.
+	// Check for temporary ban based on wordlist
 	for _, word := range blacklistConfig.TempBanWords {
 		if strings.Contains(eventContent, word) {
-            err := AddToTemporaryBlacklist(pubkey, *blacklistConfig)
+			err := AddToTemporaryBlacklist(pubkey, blacklistConfig)
 			if err != nil {
 				return true, fmt.Sprintf("pubkey %s is temporarily banned and failed to save: %v", pubkey, err)
 			}
@@ -62,7 +60,6 @@ func CheckBlacklist(pubkey, eventContent string) (bool, string) {
 	return false, ""
 }
 
-
 // Checks if a pubkey is temporarily blacklisted
 func isPubKeyTemporarilyBlacklisted(pubkey string) bool {
 	mu.Lock()
@@ -145,19 +142,20 @@ func AddToTemporaryBlacklist(pubkey string, blacklistConfig types.BlacklistConfi
 	return nil
 }
 
-func isPubKeyPermanentlyBlacklisted(pubKey string, blacklistConfig *types.BlacklistConfig) bool {
+// Checks if a pubkey is permanently blacklisted (only using config.yml)
-    if blacklistConfig == nil || !blacklistConfig.Enabled {
+func isPubKeyPermanentlyBlacklisted(pubKey string, blacklistConfig types.BlacklistConfig) bool {
+	if !blacklistConfig.Enabled {
 		return false
 	}
 
-    // Check pubkeys.
+	// Check pubkeys
 	for _, blacklistedKey := range blacklistConfig.PermanentBlacklistPubkeys {
 		if pubKey == blacklistedKey {
 			return true
 		}
 	}
 
-    // Check npubs.
+	// Check npubs
 	for _, npub := range blacklistConfig.PermanentBlacklistNpubs {
 		decodedPubKey, err := utils.DecodeNpub(npub)
 		if err != nil {
@@ -173,188 +171,34 @@ func isPubKeyPermanentlyBlacklisted(pubKey string, blacklistConfig *types.Blackl
 }
 
 func AddToPermanentBlacklist(pubkey string) error {
-    blacklistConfig := GetBlacklistConfig()
+	// Remove the mutex lock from here
-    if blacklistConfig == nil {
+	blacklistConfig := GetConfig().Blacklist
-        return fmt.Errorf("blacklist configuration is not loaded")
-    }
 
-    // Check if already blacklisted.
+	// Check if already blacklisted
 	if isPubKeyPermanentlyBlacklisted(pubkey, blacklistConfig) {
 		return fmt.Errorf("pubkey %s is already in the permanent blacklist", pubkey)
 	}
 
-    // Add pubkey to the permanent blacklist.
+	// Add pubkey to the blacklist
 	blacklistConfig.PermanentBlacklistPubkeys = append(blacklistConfig.PermanentBlacklistPubkeys, pubkey)
 
-    // Persist changes to blacklist.yml.
+	// Persist changes to config.yml
-    return saveBlacklistConfig(*blacklistConfig)
+	return saveBlacklistConfig(blacklistConfig)
 }
 
 func saveBlacklistConfig(blacklistConfig types.BlacklistConfig) error {
-    data, err := yaml.Marshal(blacklistConfig)
+	configData := GetConfig()
+	configData.Blacklist = blacklistConfig
+
+	data, err := yaml.Marshal(configData)
 	if err != nil {
-        return fmt.Errorf("failed to marshal blacklist config: %v", err)
+		return fmt.Errorf("failed to marshal config: %v", err)
 	}
 
-    err = os.WriteFile("blacklist.yml", data, 0644)
+	err = os.WriteFile("config.yml", data, 0644)
 	if err != nil {
 		return fmt.Errorf("failed to write config to file: %v", err)
 	}
 
 	return nil
 }
-
-// FetchPubkeysFromLocalMuteList sends a REQ to the local relay for mute list events.
-func FetchPubkeysFromLocalMuteList(localRelayURL string, muteListAuthors []string) ([]string, error) {
-    var wg sync.WaitGroup
-    var mu sync.Mutex
-    var allPubkeys []string
-    results := make(chan []string, 1)
-
-    wg.Add(1)
-    go func() {
-        defer wg.Done()
-
-        conn, _, err := websocket.DefaultDialer.Dial(localRelayURL, nil)
-        if err != nil {
-            log.Printf("Failed to connect to local relay %s: %v", localRelayURL, err)
-            return
-        }
-        defer conn.Close()
-
-        subscriptionID := "mutelist-fetch"
-
-        // Create the REQ message to fetch the mute list events by IDs.
-        req := []interface{}{"REQ", subscriptionID, map[string]interface{}{
-            "authors": muteListAuthors,
-            "kinds": []int{10000}, // Mute list events kind.
-        }}
-
-        reqJSON, err := json.Marshal(req)
-        if err != nil {
-            log.Printf("Failed to marshal request: %v", err)
-            return
-        }
-
-        err = conn.WriteMessage(websocket.TextMessage, reqJSON)
-        if err != nil {
-            log.Printf("Failed to send request to local relay %s: %v", localRelayURL, err)
-            return
-        }
-
-        // Listen for messages from the local relay.
-        for {
-            _, message, err := conn.ReadMessage()
-            if err != nil {
-                log.Printf("Error reading message from local relay %s: %v", localRelayURL, err)
-                break
-            }
-
-            // Log the raw message for debugging.
-            log.Printf("Received raw message: %s", message)
-
-            var response []interface{}
-            err = json.Unmarshal(message, &response)
-            if err != nil || len(response) < 2 {
-                log.Printf("Invalid message format or failed to unmarshal: %v", err)
-                continue
-            }
-
-            // Check for "EVENT" type messages.
-            eventType, ok := response[0].(string)
-            if !ok {
-                log.Printf("Unexpected event type: %v", response[0])
-                continue
-            }
-
-            if eventType == "EOSE" {
-                // End of subscription events; send a "CLOSE" message to the relay.
-                closeReq := []interface{}{"CLOSE", subscriptionID}
-                closeReqJSON, err := json.Marshal(closeReq)
-                if err != nil {
-                    log.Printf("Failed to marshal close request: %v", err)
-                } else {
-                    if err = conn.WriteMessage(websocket.TextMessage, closeReqJSON); err != nil {
-                        log.Printf("Failed to send close request to relay %s: %v", localRelayURL, err)
-                    } else {
-                        log.Println("Sent CLOSE request to end subscription.")
-                        
-                        // Wait for a potential response or timeout
-                        conn.SetReadDeadline(time.Now().Add(500 * time.Millisecond))
-                        _, _, err = conn.ReadMessage()
-                        if err != nil {
-                            if err == io.EOF {
-                                log.Println("Connection closed by the server after CLOSE request (EOF)")
-                            } else if websocket.IsCloseError(err, websocket.CloseNormalClosure, websocket.CloseGoingAway) {
-                                log.Println("WebSocket closed normally after CLOSE request")
-                            } else {
-                                log.Printf("Unexpected error after CLOSE request: %v", err)
-                            }
-                        }
-                    }
-                }
-                
-                // Ensure we break the loop after handling EOSE
-                break
-            }
-
-            if eventType == "EVENT" {
-                // Safely cast the event data from the third element.
-                if len(response) < 3 {
-                    log.Printf("Unexpected event format with insufficient data: %v", response)
-                    continue
-                }
-
-                eventData, ok := response[2].(map[string]interface{})
-                if !ok {
-                    log.Printf("Expected event data to be a map, got: %T", response[2])
-                    continue
-                }
-
-                // Log event data for debugging.
-                log.Printf("Event data received: %+v", eventData)
-
-                pubkeys := extractPubkeysFromMuteListEvent(eventData)
-                results <- pubkeys
-            }
-        }
-    }()
-
-    go func() {
-        wg.Wait()
-        close(results)
-    }()
-
-    // Collect results from the relay.
-    for pubkeys := range results {
-        mu.Lock()
-        allPubkeys = append(allPubkeys, pubkeys...)
-        mu.Unlock()
-    }
-
-    return allPubkeys, nil
-}
-
-// extractPubkeysFromMuteListEvent extracts pubkeys from a mute list event.
-func extractPubkeysFromMuteListEvent(eventData map[string]interface{}) []string {
-    var pubkeys []string
-
-    tags, ok := eventData["tags"].([]interface{})
-    if !ok {
-        log.Println("Tags field is missing or not an array")
-        return pubkeys
-    }
-
-    for _, tag := range tags {
-        tagArray, ok := tag.([]interface{})
-        if ok && len(tagArray) > 1 && tagArray[0] == "p" {
-            pubkey, ok := tagArray[1].(string)
-            if ok {
-                pubkeys = append(pubkeys, pubkey)
-            }
-        }
-    }
-
-    log.Printf("Extracted pubkeys: %v", pubkeys)
-    return pubkeys
-}

config/Whitelist.go

@@ -6,19 +6,21 @@ import (
 	"strconv"
 )
 
-// Check if a pubkey or npub is whitelisted
+// Helper function to check if a pubkey or npub is whitelisted
 func IsPubKeyWhitelisted(pubKey string) bool {
-    cfg := GetWhitelistConfig()
+	cfg := GetConfig()
 	if !cfg.PubkeyWhitelist.Enabled {
 		return true
 	}
 
+	// Check pubkeys
 	for _, whitelistedKey := range cfg.PubkeyWhitelist.Pubkeys {
 		if pubKey == whitelistedKey {
 			return true
 		}
 	}
 
+	// Check npubs
 	for _, npub := range cfg.PubkeyWhitelist.Npubs {
 		decodedPubKey, err := utils.DecodeNpub(npub)
 		if err != nil {
@@ -33,13 +35,13 @@ func IsPubKeyWhitelisted(pubKey string) bool {
 	return false
 }
 
-// Check if a kind is whitelisted
 func IsKindWhitelisted(kind int) bool {
-    cfg := GetWhitelistConfig()
+	cfg := GetConfig()
 	if !cfg.KindWhitelist.Enabled {
 		return true
 	}
 
+	// Check event kinds
 	for _, whitelistedKindStr := range cfg.KindWhitelist.Kinds {
 		whitelistedKind, err := strconv.Atoi(whitelistedKindStr)
 		if err != nil {

config/loadConfig.go

@@ -6,21 +6,14 @@ import (
 
 	configTypes "grain/config/types"
 
-	"grain/server/utils"
-
 	"gopkg.in/yaml.v2"
 )
 
 var (
 	cfg  *configTypes.ServerConfig
-    whitelistCfg   *configTypes.WhitelistConfig
-    blacklistCfg   *configTypes.BlacklistConfig
 	once sync.Once
-    whitelistOnce  sync.Once
-    blacklistOnce  sync.Once
 )
 
-// LoadConfig loads the server configuration from config.yml
 func LoadConfig(filename string) (*configTypes.ServerConfig, error) {
 	data, err := os.ReadFile(filename)
 	if err != nil {
@@ -33,9 +26,6 @@ func LoadConfig(filename string) (*configTypes.ServerConfig, error) {
 		return nil, err
 	}
 
-    // Adjust event time constraints after loading
-	utils.AdjustEventTimeConstraints(&config)
-
 	once.Do(func() {
 		cfg = &config
 	})
@@ -43,54 +33,6 @@ func LoadConfig(filename string) (*configTypes.ServerConfig, error) {
 	return cfg, nil
 }
 
-// LoadWhitelistConfig loads the whitelist configuration from whitelist.yml
-func LoadWhitelistConfig(filename string) (*configTypes.WhitelistConfig, error) {
-    data, err := os.ReadFile(filename)
-    if err != nil {
-        return nil, err
-    }
-
-    var config configTypes.WhitelistConfig
-    err = yaml.Unmarshal(data, &config)
-    if err != nil {
-        return nil, err
-    }
-
-    whitelistOnce.Do(func() {
-        whitelistCfg = &config
-    })
-
-    return whitelistCfg, nil
-}
-
 func GetConfig() *configTypes.ServerConfig {
 	return cfg
 }
-
-func GetWhitelistConfig() *configTypes.WhitelistConfig {
-    return whitelistCfg
-}
-
-// LoadBlacklistConfig loads the blacklist configuration from blacklist.yml
-func LoadBlacklistConfig(filename string) (*configTypes.BlacklistConfig, error) {
-    data, err := os.ReadFile(filename)
-    if err != nil {
-        return nil, err
-    }
-
-    var config configTypes.BlacklistConfig
-    err = yaml.Unmarshal(data, &config)
-    if err != nil {
-        return nil, err
-    }
-
-    blacklistOnce.Do(func() {
-        blacklistCfg = &config
-    })
-
-    return blacklistCfg, nil
-}
-
-func GetBlacklistConfig() *configTypes.BlacklistConfig {
-    return blacklistCfg
-}

config/types/blacklistConfig.go

@@ -8,5 +8,4 @@ type BlacklistConfig struct {
 	TempBanDuration           int      `yaml:"temp_ban_duration"`
 	PermanentBlacklistPubkeys []string `yaml:"permanent_blacklist_pubkeys"`
 	PermanentBlacklistNpubs   []string `yaml:"permanent_blacklist_npubs"`
-	MuteListAuthors           []string `yaml:"mutelist_authors"`
 }

config/types/serverConfig.go

@@ -1,12 +1,5 @@
 package config
 
-type EventTimeConstraints struct {
-	MinCreatedAt       int64  `yaml:"min_created_at"`        // Minimum allowed timestamp
-	MinCreatedAtString string `yaml:"min_created_at_string"` // Original string value for parsing (e.g., "now-5m")
-	MaxCreatedAt       int64  `yaml:"max_created_at"`        // Maximum allowed timestamp
-	MaxCreatedAtString string `yaml:"max_created_at_string"` // Original string value for parsing (e.g., "now+5m")
-}
-
 type ServerConfig struct {
 	MongoDB struct {
 		URI      string `yaml:"uri"`
@@ -14,16 +7,18 @@ type ServerConfig struct {
 	} `yaml:"mongodb"`
 	Server struct {
 		Port                      string `yaml:"port"`
-		ReadTimeout               int    `yaml:"read_timeout"`
+		ReadTimeout               int    `yaml:"read_timeout"`                 // Timeout in seconds
-		WriteTimeout              int    `yaml:"write_timeout"`
+		WriteTimeout              int    `yaml:"write_timeout"`                // Timeout in seconds
-		IdleTimeout               int    `yaml:"idle_timeout"`
+		IdleTimeout               int    `yaml:"idle_timeout"`                 // Timeout in seconds
-		MaxConnections            int    `yaml:"max_connections"`
+		MaxConnections            int    `yaml:"max_connections"`              // Maximum number of concurrent connections
-		MaxSubscriptionsPerClient int    `yaml:"max_subscriptions_per_client"`
+		MaxSubscriptionsPerClient int    `yaml:"max_subscriptions_per_client"` // Maximum number of subscriptions per client
 	} `yaml:"server"`
 	RateLimit       RateLimitConfig       `yaml:"rate_limit"`
+	PubkeyWhitelist PubkeyWhitelistConfig `yaml:"pubkey_whitelist"`
+	KindWhitelist   KindWhitelistConfig   `yaml:"kind_whitelist"`
+	DomainWhitelist DomainWhitelistConfig `yaml:"domain_whitelist"`
 	Blacklist       BlacklistConfig       `yaml:"blacklist"`
 	ResourceLimits  ResourceLimits        `yaml:"resource_limits"`
 	Auth            AuthConfig            `yaml:"auth"`
 	EventPurge      EventPurgeConfig      `yaml:"event_purge"`
-	EventTimeConstraints EventTimeConstraints `yaml:"event_time_constraints"` // Added this field
 }

config/types/whitelistConfig.go

@@ -1,19 +0,0 @@
-package config
-
-type WhitelistConfig struct {
-	PubkeyWhitelist struct {
-		Enabled bool     `yaml:"enabled"`
-		Pubkeys []string `yaml:"pubkeys"`
-		Npubs   []string `yaml:"npubs"`
-	} `yaml:"pubkey_whitelist"`
-
-	KindWhitelist struct {
-		Enabled bool     `yaml:"enabled"`
-		Kinds   []string `yaml:"kinds"`
-	} `yaml:"kind_whitelist"`
-
-	DomainWhitelist struct {
-		Enabled bool     `yaml:"enabled"`
-		Domains []string `yaml:"domains"`
-	} `yaml:"domain_whitelist"`
-}

config/types/whitelistDomainConfig.go

@@ -0,0 +1,6 @@
+package config
+
+type DomainWhitelistConfig struct {
+	Enabled bool     `yaml:"enabled"`
+	Domains []string `yaml:"domains"`
+}

config/types/whitelistKindConfig.go

@@ -0,0 +1,6 @@
+package config
+
+type KindWhitelistConfig struct {
+	Enabled bool     `yaml:"enabled"`
+	Kinds   []string `yaml:"kinds"`
+}

config/types/whitelistPubkeyConfig.go

@@ -0,0 +1,7 @@
+package config
+
+type PubkeyWhitelistConfig struct {
+	Enabled bool     `yaml:"enabled"`
+	Pubkeys []string `yaml:"pubkeys"`
+	Npubs   []string `yaml:"npubs"`
+}

go.mod

@@ -4,7 +4,6 @@ go 1.22.2
 
 require (
 	github.com/btcsuite/btcd/btcec/v2 v2.3.4
-	github.com/gorilla/websocket v1.5.3
 	go.mongodb.org/mongo-driver v1.16.0
 	golang.org/x/net v0.27.0
 	gopkg.in/yaml.v2 v2.4.0

go.sum

@@ -28,8 +28,6 @@ github.com/golang/snappy v0.0.4 h1:yAGX7huGHXlcLOEtBnF4w7FQwA26wojNCwOYAEhLjQM=
 github.com/golang/snappy v0.0.4/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
-github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/jessevdk/go-flags v0.0.0-20141203071132-1679536dcc89/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
 github.com/jrick/logrotate v1.0.0/go.mod h1:LNinyqDIJnpAur+b8yyulnQw/wDuN1+BYKlTRt3OuAQ=

main.go

@@ -22,42 +22,28 @@ import (
 
 func main() {
 	utils.EnsureFileExists("config.yml", "app/static/examples/config.example.yml")
-    utils.EnsureFileExists("whitelist.yml", "app/static/examples/whitelist.example.yml")
-    utils.EnsureFileExists("blacklist.yml", "app/static/examples/blacklist.example.yml")
 	utils.EnsureFileExists("relay_metadata.json", "app/static/examples/relay_metadata.example.json")
 
 	restartChan := make(chan struct{})
-    go config.WatchConfigFile("config.yml", restartChan)
+	go config.WatchConfigFile("config.yml", restartChan) // Critical goroutine
-    go config.WatchConfigFile("whitelist.yml", restartChan)
-    go config.WatchConfigFile("blacklist.yml", restartChan)
-    go config.WatchConfigFile("relay_metadata.json", restartChan)
 
 	signalChan := make(chan os.Signal, 1)
 	signal.Notify(signalChan, syscall.SIGINT, syscall.SIGTERM)
 
 	var wg sync.WaitGroup
 	for {
-        wg.Add(1)
+		wg.Add(1) // Add to WaitGroup for the server goroutine
 
 		cfg, err := config.LoadConfig("config.yml")
 		if err != nil {
 			log.Fatal("Error loading config: ", err)
 		}
 
-        _, err = config.LoadWhitelistConfig("whitelist.yml")
+		// Start event purging in the background
-        if err != nil {
-            log.Fatal("Error loading whitelist config: ", err)
-        }
-
-        _, err = config.LoadBlacklistConfig("blacklist.yml")
-        if err != nil {
-            log.Fatal("Error loading blacklist config: ", err)
-        }
-
-        // Start event purging in the background.
 		go mongo.ScheduleEventPurging(cfg)
 
-        config.SetResourceLimit(&cfg.ResourceLimits)
+		config.SetResourceLimit(&cfg.ResourceLimits) // Apply limits once before starting the server
+
 		client, err := mongo.InitDB(cfg)
 		if err != nil {
 			log.Fatal("Error initializing database: ", err)
@@ -65,6 +51,7 @@ func main() {
 
 		config.SetRateLimit(cfg)
 		config.SetSizeLimit(cfg)
+
 		config.ClearTemporaryBans()
 
 		err = utils.LoadRelayMetadataJSON()
@@ -73,20 +60,22 @@ func main() {
 		}
 
 		mux := setupRoutes()
+
+		// Start the server
 		server := startServer(cfg, mux, &wg)
 
-        // Monitor for server restart or shutdown signals.
 		select {
 		case <-restartChan:
 			log.Println("Restarting server...")
-            server.Close()
+			server.Close() // Stop the current server instance
-            wg.Wait()
+			wg.Wait()      // Wait for the server goroutine to finish
 			time.Sleep(3 * time.Second)
+
 		case <-signalChan:
 			log.Println("Shutting down server...")
-            server.Close()
+			server.Close()             // Stop the server
-            mongo.DisconnectDB(client)
+			mongo.DisconnectDB(client) // Disconnect from MongoDB
-            wg.Wait()
+			wg.Wait()                  // Wait for all goroutines to finish
 			return
 		}
 	}

server/db/mongo/purgeEvents.go

@@ -2,7 +2,6 @@ package mongo
 
 import (
 	"context"
-	"grain/config"
 	types "grain/config/types"
 	"grain/server/utils"
 	"log"
@@ -11,7 +10,6 @@ import (
 	"go.mongodb.org/mongo-driver/bson"
 )
 
-// PurgeOldEvents removes old events based on the configuration and a list of whitelisted pubkeys.
 func PurgeOldEvents(cfg *types.EventPurgeConfig, whitelist []string) {
 	if !cfg.Enabled {
 		return
@@ -23,12 +21,10 @@ func PurgeOldEvents(cfg *types.EventPurgeConfig, whitelist []string) {
 	// Calculate the cutoff time
 	cutoff := time.Now().AddDate(0, 0, -cfg.KeepDurationDays).Unix()
 
-	// Create the filter for purging old events
 	filter := bson.M{
 		"created_at": bson.M{"$lt": cutoff}, // Filter older events
 	}
 
-	// Exclude whitelisted pubkeys if specified in the config
 	if cfg.ExcludeWhitelisted && len(whitelist) > 0 {
 		filter["pubkey"] = bson.M{"$nin": whitelist} // Exclude whitelisted pubkeys
 	}
@@ -56,6 +52,7 @@ func PurgeOldEvents(cfg *types.EventPurgeConfig, whitelist []string) {
 	}
 }
 
+// Example of a periodic purging task
 // ScheduleEventPurging runs the event purging at a configurable interval.
 func ScheduleEventPurging(cfg *types.ServerConfig) {
 	// Use the purge interval from the configuration
@@ -64,33 +61,22 @@ func ScheduleEventPurging(cfg *types.ServerConfig) {
 	defer ticker.Stop()
 
 	for range ticker.C {
-		// Fetch the whitelisted pubkeys without passing cfg directly
+		whitelist := getWhitelistedPubKeys(cfg)
-		whitelist := getWhitelistedPubKeys()
 		PurgeOldEvents(&cfg.EventPurge, whitelist)
-		log.Printf("Purged old events, keeping whitelisted pubkeys: %v", whitelist)
 	}
 }
 
-// Fetch whitelisted pubkeys from both the whitelist config and any additional domains.
+// Fetch whitelisted pubkeys from both the config and any additional domains.
-func getWhitelistedPubKeys() []string {
+func getWhitelistedPubKeys(cfg *types.ServerConfig) []string {
-	// Get the whitelist configuration
+	whitelistedPubkeys := cfg.PubkeyWhitelist.Pubkeys
-	whitelistCfg := config.GetWhitelistConfig()
-	if whitelistCfg == nil {
-		log.Println("whitelistCfg is nil, returning an empty list of whitelisted pubkeys.")
-		return []string{}
-	}
-
-	// Start with the statically defined pubkeys
-	whitelistedPubkeys := whitelistCfg.PubkeyWhitelist.Pubkeys
 
 	// Fetch pubkeys from domains if domain whitelist is enabled
-	if whitelistCfg.DomainWhitelist.Enabled {
+	if cfg.DomainWhitelist.Enabled {
-		domains := whitelistCfg.DomainWhitelist.Domains
+		domains := cfg.DomainWhitelist.Domains
 		pubkeys, err := utils.FetchPubkeysFromDomains(domains)
 		if err != nil {
 			log.Printf("Error fetching pubkeys from domains: %v", err)
-			// Return the existing statically whitelisted pubkeys in case of an error
+			return whitelistedPubkeys // Return existing whitelisted pubkeys in case of error
-			return whitelistedPubkeys
 		}
 		// Append fetched pubkeys from domains to the whitelisted pubkeys
 		whitelistedPubkeys = append(whitelistedPubkeys, pubkeys...)

server/handlers/event.go

@@ -6,7 +6,6 @@ import (
 	"fmt"
 	"grain/config"
 	"grain/server/db/mongo"
-	"time"
 
 	"grain/server/handlers/response"
 	"grain/server/utils"
@@ -17,6 +16,7 @@ import (
 )
 
 func HandleEvent(ws *websocket.Conn, message []interface{}) {
+
 	if len(message) != 2 {
 		fmt.Println("Invalid EVENT message format")
 		response.SendNotice(ws, "", "Invalid EVENT message format")
@@ -44,19 +44,13 @@ func HandleEvent(ws *websocket.Conn, message []interface{}) {
 		return
 	}
 
-	// Validate event timestamps
-	if !validateEventTimestamp(evt) {
-		response.SendOK(ws, evt.ID, false, "invalid: event created_at timestamp is out of allowed range")
-		return
-	}
-
 	// Signature check moved here
 	if !utils.CheckSignature(evt) {
 		response.SendOK(ws, evt.ID, false, "invalid: signature verification failed")
 		return
 	}
 
-	eventSize := len(eventBytes)
+	eventSize := len(eventBytes) // Calculate event size
 
 	if !handleBlacklistAndWhitelist(ws, evt) {
 		return
@@ -66,113 +60,38 @@ func HandleEvent(ws *websocket.Conn, message []interface{}) {
 		return
 	}
 
-	// Store the event in MongoDB or other storage
+	// This is where I'll handle storage for multiple database types in the future
 	mongo.StoreMongoEvent(context.TODO(), evt, ws)
+
 	fmt.Println("Event processed:", evt.ID)
-}
 
-// Validate event timestamps against the configured min and max values
-func validateEventTimestamp(evt nostr.Event) bool {
-	cfg := config.GetConfig()
-	if cfg == nil {
-		fmt.Println("Server configuration is not loaded")
-		return false
-	}
-
-	// Use current time for max and a fixed date for min if not specified
-	now := time.Now().Unix()
-	minCreatedAt := cfg.EventTimeConstraints.MinCreatedAt
-	if minCreatedAt == 0 {
-		// Use January 1, 2020, as the default minimum timestamp
-		minCreatedAt = time.Date(2020, 1, 1, 0, 0, 0, 0, time.UTC).Unix()
-	}
-
-	maxCreatedAt := cfg.EventTimeConstraints.MaxCreatedAt
-	if maxCreatedAt == 0 {
-		// Default to the current time if not set
-		maxCreatedAt = now
-	}
-
-	// Check if the event's created_at timestamp falls within the allowed range
-	if evt.CreatedAt < minCreatedAt || evt.CreatedAt > maxCreatedAt {
-		fmt.Printf("Event %s created_at timestamp %d is out of range [%d, %d]\n", evt.ID, evt.CreatedAt, minCreatedAt, maxCreatedAt)
-		return false
-	}
-
-	return true
 }
 
 func handleBlacklistAndWhitelist(ws *websocket.Conn, evt nostr.Event) bool {
-    // Get the current whitelist configuration
+	if config.GetConfig().DomainWhitelist.Enabled {
-    whitelistCfg := config.GetWhitelistConfig()
+		domains := config.GetConfig().DomainWhitelist.Domains
-    if whitelistCfg == nil {
-        fmt.Println("Whitelist configuration is not loaded.")
-        response.SendNotice(ws, "", "Internal server error: whitelist configuration is missing")
-        return false
-    }
-
-    // If domain whitelisting is enabled, dynamically fetch pubkeys from domains
-    if whitelistCfg.DomainWhitelist.Enabled {
-        domains := whitelistCfg.DomainWhitelist.Domains
 		pubkeys, err := utils.FetchPubkeysFromDomains(domains)
 		if err != nil {
 			fmt.Println("Error fetching pubkeys from domains:", err)
 			response.SendNotice(ws, "", "Error fetching pubkeys from domains")
 			return false
 		}
-        // Update the whitelisted pubkeys dynamically
+		for _, pubkey := range pubkeys {
-        whitelistCfg.PubkeyWhitelist.Pubkeys = append(whitelistCfg.PubkeyWhitelist.Pubkeys, pubkeys...)
+			config.GetConfig().PubkeyWhitelist.Pubkeys = append(config.GetConfig().PubkeyWhitelist.Pubkeys, pubkey)
+		}
 	}
 
-    // Check if the event's pubkey or content is blacklisted
 	if blacklisted, msg := config.CheckBlacklist(evt.PubKey, evt.Content); blacklisted {
 		response.SendOK(ws, evt.ID, false, msg)
 		return false
 	}
 
-    // Check mutelist blacklist
+	if config.GetConfig().KindWhitelist.Enabled && !config.IsKindWhitelisted(evt.Kind) {
-cfg := config.GetConfig()
-if cfg == nil {
-    fmt.Println("Server configuration is not loaded")
-    response.SendNotice(ws, "", "Internal server error: server configuration is missing")
-    return false
-}
-
-blacklistCfg := config.GetBlacklistConfig()
-if blacklistCfg == nil {
-    fmt.Println("Blacklist configuration is not loaded")
-    response.SendNotice(ws, "", "Internal server error: blacklist configuration is missing")
-    return false
-}
-
-// Only proceed if there are mutelist event IDs specified
-if len(blacklistCfg.MuteListAuthors) > 0 {
-    localRelayURL := fmt.Sprintf("ws://localhost%s", cfg.Server.Port)
-    mutelistedPubkeys, err := config.FetchPubkeysFromLocalMuteList(localRelayURL, blacklistCfg.MuteListAuthors)
-    if err != nil {
-        fmt.Println("Error fetching pubkeys from mutelist:", err)
-        response.SendNotice(ws, "", "Error fetching pubkeys from mutelist")
-        return false
-    }
-
-    for _, mutelistedPubkey := range mutelistedPubkeys {
-        if evt.PubKey == mutelistedPubkey {
-            response.SendOK(ws, evt.ID, false, "not allowed: pubkey is in mutelist")
-            return false
-        }
-    }
-} else {
-    fmt.Println("No mutelist event IDs specified in the blacklist configuration")
-}
-
-    // Check if the event's kind is whitelisted
-    if whitelistCfg.KindWhitelist.Enabled && !config.IsKindWhitelisted(evt.Kind) {
 		response.SendOK(ws, evt.ID, false, "not allowed: event kind is not whitelisted")
 		return false
 	}
 
-    // Check if the event's pubkey is whitelisted
+	if config.GetConfig().PubkeyWhitelist.Enabled && !config.IsPubKeyWhitelisted(evt.PubKey) {
-    if whitelistCfg.PubkeyWhitelist.Enabled && !config.IsPubKeyWhitelisted(evt.PubKey) {
 		response.SendOK(ws, evt.ID, false, "not allowed: pubkey or npub is not whitelisted")
 		return false
 	}

server/utils/adjustTimeContraints.go

@@ -1,43 +0,0 @@
-package utils
-
-import (
-	"fmt"
-	config "grain/config/types"
-	"strings"
-	"time"
-)
-
-// Adjusts the event time constraints based on the configuration
-func AdjustEventTimeConstraints(cfg *config.ServerConfig) {
-	now := time.Now()
-
-	// Adjust min_created_at based on string value or default to January 1, 2020
-	if strings.HasPrefix(cfg.EventTimeConstraints.MinCreatedAtString, "now") {
-		offset := strings.TrimPrefix(cfg.EventTimeConstraints.MinCreatedAtString, "now")
-		duration, err := time.ParseDuration(offset)
-		if err != nil {
-			fmt.Printf("Invalid time offset for min_created_at: %s\n", offset)
-			cfg.EventTimeConstraints.MinCreatedAt = time.Date(2020, 1, 1, 0, 0, 0, 0, time.UTC).Unix()
-		} else {
-			cfg.EventTimeConstraints.MinCreatedAt = now.Add(duration).Unix()
-		}
-	} else if cfg.EventTimeConstraints.MinCreatedAt == 0 {
-		// Default to January 1, 2020, if not set
-		cfg.EventTimeConstraints.MinCreatedAt = time.Date(2020, 1, 1, 0, 0, 0, 0, time.UTC).Unix()
-	}
-
-	// Adjust max_created_at based on string value or default to current time
-	if strings.HasPrefix(cfg.EventTimeConstraints.MaxCreatedAtString, "now") {
-		offset := strings.TrimPrefix(cfg.EventTimeConstraints.MaxCreatedAtString, "now")
-		duration, err := time.ParseDuration(offset)
-		if err != nil {
-			fmt.Printf("Invalid time offset for max_created_at: %s\n", offset)
-			cfg.EventTimeConstraints.MaxCreatedAt = now.Unix() // Default to now if parsing fails
-		} else {
-			cfg.EventTimeConstraints.MaxCreatedAt = now.Add(duration).Unix()
-		}
-	} else if cfg.EventTimeConstraints.MaxCreatedAt == 0 {
-		// Default to the current time if it's set to zero and no "now" keyword is used
-		cfg.EventTimeConstraints.MaxCreatedAt = now.Unix()
-	}
-}