Any person interested may release said lien by executing a bond in the sum double the amount claimed, or in such sum as may be fixed by a judge of the court in which the action or judgment is or has been pending, payable to the attorney, with security to be approved by the clerk of the court, conditioned to pay the amount finally due the attorney for his services, which amount may be ascertained by suit on the bond.
R.L.1910, § 250.