Added locking on DTH operations
Added locking on DTH operations

freebazaar/FreeBazaar,habibmasuro/OpenBazaar,akhavr/OpenBazaar,must-/OpenBazaar,saltduck/OpenBazaar,rllola/OpenBazaar,saltduck/OpenBazaar,tortxof/OpenBazaar,freebazaar/FreeBazaar,freebazaar/FreeBazaar,matiasbastos/OpenBazaar,habibmasuro/OpenBazaar,bankonme/OpenBazaar,bankonme/OpenBazaar,rllola/OpenBazaar,Renelvon/OpenBazaar,matiasbastos/OpenBazaar,atsuyim/OpenBazaar,matiasbastos/OpenBazaar,im0rtel/OpenBazaar,habibmasuro/OpenBazaar,atsuyim/OpenBazaar,bglassy/OpenBazaar,tortxof/OpenBazaar,dionyziz/OpenBazaar,akhavr/OpenBazaar,Renelvon/OpenBazaar,must-/OpenBazaar,bglassy/OpenBazaar,im0rtel/OpenBazaar,rllola/OpenBazaar,dionyziz/OpenBazaar,mirrax/OpenBazaar,Renelvon/OpenBazaar,tortxof/OpenBazaar,Renelvon/OpenBazaar,NolanZhao/OpenBazaar,akhavr/OpenBazaar,im0rtel/OpenBazaar,atsuyim/OpenBazaar,freebazaar/FreeBazaar,saltduck/OpenBazaar,dionyziz/OpenBazaar,mirrax/OpenBazaar,akhavr/OpenBazaar,mirrax/OpenBazaar,bglassy/OpenBazaar,dionyziz/OpenBazaar,NolanZhao/OpenBazaar,matiasbastos/OpenBazaar,bankonme/OpenBazaar,rllola/OpenBazaar,akhavr/OpenBazaar,mirrax/OpenBazaar,freebazaar/FreeBazaar,dionyziz/OpenBazaar,blakejakopovic/OpenBazaar,tortxof/OpenBazaar,must-/OpenBazaar,bankonme/OpenBazaar,saltduck/OpenBazaar,must-/OpenBazaar,blakejakopovic/OpenBazaar,atsuyim/OpenBazaar,im0rtel/OpenBazaar,NolanZhao/OpenBazaar,NolanZhao/OpenBazaar,blakejakopovic/OpenBazaar,blakejakopovic/OpenBazaar,habibmasuro/OpenBazaar,bglassy/OpenBazaar