feat/getsmartcontractsubstate-batch-request

[teye]

Ready for review

• fix build batch request payloads to support array of array in param fields
• fix id for batch payloads request to make it dynamic
• merge with feat: support getSmartContractSubStateBatch batch request branch

[codecov-commenter]

Codecov Report

Merging #304 (232dbc9) into dev (0f0a2bc) will decrease coverage by 0.08%.
The diff coverage is 66.66%.

❗ Current head 232dbc9 differs from pull request most recent head 1e11447. Consider uploading reports for the commit 1e11447 to get more accurate results

@@            Coverage Diff             @@
##              dev     #304      +/-   ##
==========================================
- Coverage   79.07%   78.99%   -0.09%     
==========================================
  Files          45       45              
  Lines        1826     1833       +7     
  Branches      307      308       +1     
==========================================
+ Hits         1444     1448       +4     
- Misses        381      384       +3     
  Partials        1        1              

Impacted Files	Coverage Δ
packages/zilliqa-js-core/src/net.ts	98.63% <ø> (ø)
packages/zilliqa-js-blockchain/src/chain.ts	63.29% <33.33%> (-0.49%)	⬇️
packages/zilliqa-js-core/src/providers/http.ts	92.10% <83.33%> (-2.02%)	⬇️

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