fix(config): ignore abci section on seeds

config/config.go

@@ -134,29 +134,36 @@ func (cfg *Config) SetRoot(root string) *Config {
 // ValidateBasic performs basic validation (checking param bounds, etc.) and
 // returns an error if any check fails.
 func (cfg *Config) ValidateBasic() error {
+	var errs error
 
-	if err := cfg.Abci.ValidateBasic(); err != nil {
-		return fmt.Errorf("error in [abci] section: %w", err)
-	}
 	if err := cfg.BaseConfig.ValidateBasic(); err != nil {
-		return err
+		errs = multierror.Append(errs, err)
+	}
+
+	// ignore [abci] section on seed nodes
+	if cfg.Mode != ModeSeed {
+		if err := cfg.Abci.ValidateBasic(); err != nil {
+			errs = multierror.Append(errs, fmt.Errorf("error in [abci] section: %w", err))
+		}
 	}
+
 	if err := cfg.RPC.ValidateBasic(); err != nil {
-		return fmt.Errorf("error in [rpc] section: %w", err)
+		errs = multierror.Append(errs, fmt.Errorf("error in [rpc] section: %w", err))
 	}
 	if err := cfg.Mempool.ValidateBasic(); err != nil {
-		return fmt.Errorf("error in [mempool] section: %w", err)
+		errs = multierror.Append(errs, fmt.Errorf("error in [mempool] section: %w", err))
 	}
 	if err := cfg.StateSync.ValidateBasic(); err != nil {
-		return fmt.Errorf("error in [statesync] section: %w", err)
+		errs = multierror.Append(errs, fmt.Errorf("error in [statesync] section: %w", err))
 	}
 	if err := cfg.Consensus.ValidateBasic(); err != nil {
-		return fmt.Errorf("error in [consensus] section: %w", err)
+		errs = multierror.Append(errs, fmt.Errorf("error in [consensus] section: %w", err))
 	}
 	if err := cfg.Instrumentation.ValidateBasic(); err != nil {
-		return fmt.Errorf("error in [instrumentation] section: %w", err)
+		errs = multierror.Append(errs, fmt.Errorf("error in [instrumentation] section: %w", err))
 	}
-	return nil
+
+	return errs
 }
 
 func (cfg *Config) DeprecatedFieldWarning() error {