hasMessageKeys method
Implementation
bool hasMessageKeys(ECPublicKey senderEphemeral, int counter) {
final chainAndIndex = _getReceiverChain(senderEphemeral);
if (chainAndIndex == null) {
return false;
}
final chain = chainAndIndex.$1;
final messageKeyList = chain.messageKeys;
for (final messageKey in messageKeyList) {
if (messageKey.index == counter) {
return true;
}
}
return false;
}