message: Validate unbonding delay
diff: @@ -81,6 +81,14 @@ impl Chainspec {
  }
  let min_era_ms = 1u64 << self.highway_config.minimum_round_exponent;
  +
  + if self.core_config.unbonding_delay < self.core_config.auction_delay {
  + warn!(
  + "unbonding delay is set to {} but it should be greater or equal to the auction delay (currently set to {})",
  + self.core_config.unbonding_delay, self.core_config.auction_delay);
  + return false;
  + }
  +
  // If the era duration is set to zero, we will treat it as explicitly stating that eras
  // should be defined by height only.
  if self.core_config.era_duration.millis() > 0
  