* accounts/abi/bind/backends: add blockByHashNoLock
Signed-off-by: Oliver Tale-Yazdi <oliver@perun.network>

* accounts/abi/bind/backends: add 'parent' arg to rollback
Signed-off-by: Oliver Tale-Yazdi <oliver@perun.network>

* accounts/abi/bind/backends: add simulated forks
Signed-off-by: Oliver Tale-Yazdi <oliver@perun.network>

* accounts/abi/bind/backends: minor nitpicks

* accounts/abi/bind/backends: don't add defensive panics
Co-authored-by: Péter Szilágyi <peterke@gmail.com>