get => PersistentState.GetUInt64(nameof(this.TotalSupply));
get => this.PersistentState.GetUInt32(nameof(this.State));
get => State.GetString(nameof(this.Symbol));
get => PersistentState.GetString(nameof(this.Symbol));
get => this.PersistentState.GetAddress(nameof(this.Installer));