Added new aggeregates

[manasnisar]

Fixes

Changes

Need to be mentioned in CHANGELOG.md?

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):

• blobber:
• gosdk:
• system_test:
• zboxcli:
• zwalletcli:
• Other: ...

[codecov-commenter]

Codecov Report

Merging #1872 (a3df699) into staging (34df75f) will decrease coverage by 0.01%.
The diff coverage is 3.33%.

@@             Coverage Diff             @@
##           staging    #1872      +/-   ##
===========================================
- Coverage    26.88%   26.86%   -0.02%     
===========================================
  Files          356      356              
  Lines        59195    59252      +57     
===========================================
+ Hits         15913    15921       +8     
- Misses       41377    41420      +43     
- Partials      1905     1911       +6     

Flag	Coverage Δ
Unit-Tests	26.86% <3.33%> (-0.02%)	⬇️

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

Impacted Files	Coverage Δ
...ode/go/0chain.net/chaincore/block/block_eventdb.go	0.00% <0.00%> (ø)
code/go/0chain.net/chaincore/chain/entity.go	10.17% <0.00%> (-0.02%)	⬇️
...de/go/0chain.net/chaincore/chain/protocol_block.go	0.00% <0.00%> (ø)
code/go/0chain.net/chaincore/chain/state.go	4.46% <0.00%> (-0.08%)	⬇️
code/go/0chain.net/miner/chain.go	22.89% <0.00%> (-0.19%)	⬇️
...e/go/0chain.net/smartcontract/dbs/event/process.go	1.86% <0.00%> (-0.03%)	⬇️
.../go/0chain.net/smartcontract/dbs/event/snapshot.go	0.00% <0.00%> (ø)
...ode/go/0chain.net/smartcontract/dbs/event/enums.go	88.76% <100.00%> (+0.25%)	⬆️
...ain.net/smartcontract/storagesc/config_settigns.go	54.76% <0.00%> (ø)
...de/go/0chain.net/smartcontract/vestingsc/config.go	58.42% <0.00%> (+3.15%)	⬆️

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[dabasov]

lgtm

[manasnisar]

lgtm

Please merge.