Function dkgPart3

dkgPart3(
    round2SecretPackage: SecretPackage,
    round1Packages: Map<string, Package>,
    round2Packages: Map<string, Package>,
): Promise<[FrostKeyPackage, FrostPublicKeyPackage]>
Execute DKG round 3 (part3/finalize) - Compute final key package.
Parameters
- round2SecretPackage: SecretPackage
  The secret package from part2
- round1Packages: Map<string, Package>
  Map of identifier hex to round1 packages
- round2Packages: Map<string, Package>
  Map of identifier hex to round2 packages received
Returns Promise<[FrostKeyPackage, FrostPublicKeyPackage]>
Promise of tuple [KeyPackage, PublicKeyPackage]
- Defined in frost/index.ts:143