Make compatble with gosdk head.

[Sriep]

Changes

Previous goSDK PRs have made blobber incompatible with GosdK head. This should fix that.

Upcoming write pool PRs will make braking changes and require blobber to work with the latest GoSDK.

Fixes

Tests

Tasks to complete before merging PR:

• Ensure system tests are passing. If not Run them manually to check for any regressions 📋
• Do any new system tests need added to test this change? do any existing system tests need updated? If so create a PR at 0chain/system_test
• Merge your system tests PR to master AFTER merging this PR

Associated PRs (Link as appropriate):

• 0chain:
• gosdk:
• system_test:
• zboxcli:
• zwalletcli:
• Other: ...

[codecov-commenter]

Codecov Report

Merging #729 (a0cc59e) into staging (8fd5fab) will not change coverage.
The diff coverage is 0.00%.

@@           Coverage Diff            @@
##           staging     #729   +/-   ##
========================================
  Coverage    24.19%   24.19%           
========================================
  Files           69       69           
  Lines         7899     7899           
========================================
  Hits          1911     1911           
  Misses        5704     5704           
  Partials       284      284           

Flag	Coverage Δ
Unit-Tests	24.19% <0.00%> (ø)

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

Impacted Files	Coverage Δ
code/go/0chain.net/blobbercore/handler/protocol.go	0.00% <0.00%> (ø)

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[dabasov]

lgtm

[peterlimg]

We need to change the Terms.ReadPrice to uint64 and val to uint64 in ExecuteSmartContract instead of doing type casting. Anyway, we need to fix this for all the gosdk users.