Add malicious blobber behaviours

[fabioDMFerreira]

Malicious blobber:

• sends wrong data on listing
• sends wrong metadata on listing
• does not respond on listing/deleting/uploading/downloading
• returns an error on listing/deleting/uploading/downloading

[dabasov]

lgtm

[dabasov]

looks like this file is the same as handler_main.gp

[fabioDMFerreira]

It is. This is part of validator conductor tests development. We'll need to override the endpoint handler /v1/storage/challenge/new.

[codecov-commenter]

Codecov Report

Merging #803 (6cddf68) into staging (1ce9f4a) will increase coverage by 0.03%.
The diff coverage is 18.05%.

@@             Coverage Diff             @@
##           staging     #803      +/-   ##
===========================================
+ Coverage    24.28%   24.32%   +0.03%     
===========================================
  Files           80       85       +5     
  Lines         8095     8141      +46     
===========================================
+ Hits          1966     1980      +14     
- Misses        5854     5886      +32     
  Partials       275      275              

Flag	Coverage Δ
Unit-Tests	24.32% <18.05%> (+0.03%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
.../go/0chain.net/blobbercore/handler/grpc_handler.go	8.69% <ø> (+0.95%)	⬆️
...chain.net/blobbercore/handler/grpc_handler_main.go	0.00% <0.00%> (ø)
...obbercore/handler/object_operation_grpc_handler.go	0.00% <ø> (ø)
...core/handler/object_operation_grpc_handler_main.go	0.00% <0.00%> (ø)
code/go/0chain.net/core/common/handler.go	0.00% <0.00%> (ø)
...ode/go/0chain.net/validatorcore/storage/handler.go	0.00% <0.00%> (ø)
...o/0chain.net/validatorcore/storage/handler_main.go	0.00% <0.00%> (ø)
...ain.net/validatorcore/storage/challenge_handler.go	29.41% <16.66%> (-1.08%)	⬇️
...ode/go/0chain.net/blobbercore/handler/b_handler.go	56.38% <80.00%> (ø)
...o/0chain.net/blobbercore/handler/b_handler_main.go	83.33% <83.33%> (ø)
... and 2 more

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.