validateSignedCacao method

Implementation

@override
Future<bool> validateSignedCacao({
  required Cacao cacao,
  required String projectId,
}) async {
  final CacaoSignature signature = cacao.s;
  final CacaoPayload payload = cacao.p;

  try {
    final reconstructed = formatAuthMessage(
      iss: payload.iss,
      cacaoPayload: CacaoRequestPayload.fromCacaoPayload(payload),
    );

    final walletAddress = AddressUtils.getDidAddressAddress(payload.iss)!;
    final chainId = AddressUtils.getDidAddressChainId(payload.iss)!;

    final isValid = await AuthSignature.verifySignature(
      walletAddress.toEIP55(),
      reconstructed,
      signature,
      chainId,
      projectId,
    );

    return isValid;
  } catch (e) {
    return false;
  }
}