export interface IKeyPair { publicKey: string; privateKey: string; } export function isIKeyPair( allegedKeyPair: IKeyPair, ): allegedKeyPair is IKeyPair { return ( typeof allegedKeyPair.privateKey === "string" && typeof allegedKeyPair.publicKey === "string" && allegedKeyPair.privateKey.length > 0 && allegedKeyPair.publicKey.length > 0 ); }