fix error in getPublicKeyByAddress
fix error in getPublicKeyByAddress

Qoracoin/Qora,Bitcoinsulting/Qora,Bitcoinsulting/Qora,Bitcoinsulting/Qora,Qoracoin/Qora,Bitcoinsulting/Qora,Qoracoin/Qora,Bitcoinsulting/Qora