code: function DeploymentState() {
    if (!(this instanceof DeploymentState))
      return new DeploymentState();
  
    this.flags = Script.flags.MANDATORY_VERIFY_FLAGS;
    this.flags &= ~Script.flags.VERIFY_P2SH;
    this.lockFlags = common.lockFlags.MANDATORY_LOCKTIME_FLAGS;
    this.bip34 = false;
    this.bip91 = false;
    this.bip148 = false;
  }
docs: Represents the deployment state of the chain.
  @alias module:blockchain.DeploymentState
  @constructor
  @property {VerifyFlags} flags
  @property {LockFlags} lockFlags
  @property {Boolean} bip34