/**
* upgrade wallet to different blocktrail cosign key
*
* @param $keyIndex
* @return bool
* @throws \Exception
*/
public function upgradeKeyIndex($keyIndex)
{
if ($this->locked) {
throw new \Exception("Wallet needs to be unlocked to upgrade key index");
}
$walletPath = WalletPath::create($keyIndex);
// do the upgrade to the new 'key_index'
$primaryPublicKey = BIP32::extended_private_to_public(BIP32::build_key($this->primaryPrivateKey->tuple(), (string) $walletPath->keyIndexPath()));
$result = $this->sdk->upgradeKeyIndex($this->identifier, $keyIndex, $primaryPublicKey);
$this->primaryPublicKeys[$keyIndex] = BIP32Key::create($primaryPublicKey);
$this->keyIndex = $keyIndex;
$this->walletPath = $walletPath;
// update the blocktrail public keys
foreach ($result['blocktrail_public_keys'] as $keyIndex => $pubKey) {
if (!isset($this->blocktrailPublicKeys[$keyIndex])) {
$this->blocktrailPublicKeys[$keyIndex] = BIP32Key::create($pubKey);
}
}
return true;
}
