Only sync mempool from v0.15+ (proto 70216+) nodes (#3321)
Only sync mempool from v0.15+ (proto 70216+) nodes (#3321)

Old nodes aren't able to relay DSTXes properly
UdjinM6/dash,thelazier/dash,dashpay/dash,thelazier/dash,dashpay/dash,thelazier/dash,dashpay/dash,UdjinM6/dash,UdjinM6/dash,dashpay/dash,UdjinM6/dash,thelazier/dash,thelazier/dash,UdjinM6/dash,dashpay/dash