Implement initiation of catch-up, provide structures for catch-up request and response.
Implement initiation of catch-up, provide structures for catch-up request and response.

Artemkaaas/indy-sdk,Artemkaaas/indy-sdk,peacekeeper/indy-sdk,MRJCrunch/indy-sdk,anastasia-tarasova/indy-sdk,korsimoro/indy-sdk,anastasia-tarasova/indy-sdk,MRJCrunch/indy-sdk,korsimoro/indy-sdk,peacekeeper/indy-sdk,peacekeeper/indy-sdk,Artemkaaas/indy-sdk,srottem/indy-sdk,peacekeeper/indy-sdk,Artemkaaas/indy-sdk,srottem/indy-sdk,peacekeeper/indy-sdk,srottem/indy-sdk,peacekeeper/indy-sdk,anastasia-tarasova/indy-sdk,evernym/sovrin-client-rust,Artemkaaas/indy-sdk,anastasia-tarasova/indy-sdk,MRJCrunch/indy-sdk,srottem/indy-sdk,anastasia-tarasova/indy-sdk,srottem/indy-sdk,srottem/indy-sdk,Artemkaaas/indy-sdk,peacekeeper/indy-sdk,Artemkaaas/indy-sdk,korsimoro/indy-sdk,srottem/indy-sdk,srottem/indy-sdk,Artemkaaas/indy-sdk,evernym/sovrin-client-rust,evernym/sovrin-client-rust,evernym/sovrin-client-rust,MRJCrunch/indy-sdk,korsimoro/indy-sdk,korsimoro/indy-sdk,anastasia-tarasova/indy-sdk,peacekeeper/indy-sdk,peacekeeper/indy-sdk,MRJCrunch/indy-sdk,srottem/indy-sdk,srottem/indy-sdk,srottem/indy-sdk,peacekeeper/indy-sdk,Artemkaaas/indy-sdk,anastasia-tarasova/indy-sdk,korsimoro/indy-sdk,peacekeeper/indy-sdk,MRJCrunch/indy-sdk,evernym/sovrin-client-rust,korsimoro/indy-sdk,srottem/indy-sdk,peacekeeper/indy-sdk,anastasia-tarasova/indy-sdk,evernym/sovrin-client-rust,anastasia-tarasova/indy-sdk,srottem/indy-sdk,MRJCrunch/indy-sdk,anastasia-tarasova/indy-sdk,peacekeeper/indy-sdk,korsimoro/indy-sdk,Artemkaaas/indy-sdk,korsimoro/indy-sdk,Artemkaaas/indy-sdk,Artemkaaas/indy-sdk,Artemkaaas/indy-sdk,anastasia-tarasova/indy-sdk,korsimoro/indy-sdk,anastasia-tarasova/indy-sdk,anastasia-tarasova/indy-sdk