rpc: Add backward compatibility for exchanges.
rpc: Add backward compatibility for exchanges.

particl/particl-core,particl/particl-core,tecnovert/particl-core,particl/particl-core,tecnovert/particl-core,particl/particl-core,tecnovert/particl-core,tecnovert/particl-core,tecnovert/particl-core,tecnovert/particl-core,particl/particl-core,particl/particl-core