Files
koin_ping_0.2.0/backend-go/internal/config/config.go
KS Jannette 37ff644aa7 audit: fix issues #1-#9 (mock data, notifier interface, retry/timeout, digest scheduling, real status, RPC retry, dedup, address edit UI)
- #1: remove mock alert events that poisoned production responses
- #2: add Notifier interface + Send implementations for all channels
- #3/#4: notification goroutines now carry a 30s context timeout and retry up to 3x with exponential backoff
- #5: schedule email digest in poller via DIGEST_INTERVAL_HOURS (default 24h)
- #6: SystemStatus queries real checkpoint data; returns starting/active/idle with latestBlock and lag
- #7: Ethereum RPC client retries on network errors, 429, and 5xx with 1s/2s backoff
- #8: alert_events dedup index + ON CONFLICT DO NOTHING to prevent duplicate events on poller restart
- #9: PATCH /v1/addresses/{id} for label editing; frontend address list gains inline edit and remove buttons
2026-03-01 07:49:08 -05:00

102 lines
2.5 KiB
Go

//loads environment-based configuration.
package config
import (
"fmt"
"os"
"strconv"
"strings"
)
const (
defaultPort = 3001
defaultDBPort = 5432
defaultPollIntervalMS = 60000
minPollIntervalMS = 1000
defaultDigestIntervalHours = 24
)
type Config struct {
Port int
APIBasePath string
DatabaseURL string
DBHost string
DBPort int
DBUser string
DBPassword string
DBName string
FirebaseProjectID string
EthRPCURL string
PollIntervalMS int
NodeEnv string
ResendAPIKey string
EmailFrom string
DigestIntervalHours int
}
// Load reads configuration from environment variables and returns a Config.
func Load() (*Config, error) {
cfg := &Config{
Port: getEnvInt("PORT", defaultPort),
APIBasePath: getEnv("API_BASE_PATH", "/v1"),
DatabaseURL: os.Getenv("DATABASE_URL"),
DBHost: getEnv("DB_HOST", "localhost"),
DBPort: getEnvInt("DB_PORT", defaultDBPort),
DBUser: os.Getenv("DB_USER"),
DBPassword: os.Getenv("DB_PASSWORD"),
DBName: os.Getenv("DB_NAME"),
FirebaseProjectID: os.Getenv("FIREBASE_PROJECT_ID"),
EthRPCURL: os.Getenv("ETH_RPC_URL"),
PollIntervalMS: getEnvInt("POLL_INTERVAL_MS", defaultPollIntervalMS),
NodeEnv: getEnv("NODE_ENV", "development"),
ResendAPIKey: os.Getenv("RESEND_API_KEY"),
EmailFrom: getEnv("EMAIL_FROM", "Koin Ping <alerts@koinping.com>"),
DigestIntervalHours: getEnvInt("DIGEST_INTERVAL_HOURS", defaultDigestIntervalHours),
}
if cfg.PollIntervalMS < minPollIntervalMS {
return nil, fmt.Errorf("POLL_INTERVAL_MS must be >= 1000, got %d", cfg.PollIntervalMS) //nolint:err113
}
return cfg, nil
}
func (c *Config) DSN() string {
if c.DatabaseURL != "" {
// Append sslmode=disable if not already specified.
if !strings.Contains(c.DatabaseURL, "sslmode=") {
sep := "?"
if strings.Contains(c.DatabaseURL, "?") {
sep = "&"
}
return c.DatabaseURL + sep + "sslmode=disable"
}
return c.DatabaseURL
}
return fmt.Sprintf(
"host=%s port=%d user=%s password=%s dbname=%s sslmode=disable",
c.DBHost, c.DBPort, c.DBUser, c.DBPassword, c.DBName,
)
}
func getEnv(key, fallback string) string {
if v := os.Getenv(key); v != "" {
return v
}
return fallback
}
func getEnvInt(key string, fallback int) int {
if v := os.Getenv(key); v != "" {
if n, err := strconv.Atoi(v); err == nil {
return n
}
}
return fallback
}