Few fixes for `wait_for_instantlock`#3123

Merged

UdjinM6 merged 2 commits intodashpay:developfrom

UdjinM6:fixwaitis

Oct 1, 2019

Commits on Oct 1, 2019

Fix `wait_for_instantlock` to make it fail if instantlock wasn't aquired, use `wait_until`
UdjinM6
committed
Wait for txes to propagate before checking for instantlock
UdjinM6
committed