IS-388 Improve transaction method

[badrogger]

Changes:

• Added structures to simplify estimateGas calls parsing
• Added TxRecordStatus to simplifiy parsing transaction records from TM

Testing:

• No performance changes were made.
• Modified existing tests covers code modifications.
• Tested schain creation.

[codecov]

Codecov Report

Attention: 5 lines in your changes are missing coverage. Please review.

Comparison is base (7fa8169) 90.75% compared to head (3727ce8) 90.86%.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #544      +/-   ##
===========================================
+ Coverage    90.75%   90.86%   +0.11%     
===========================================
  Files           65       65              
  Lines         2466     2464       -2     
===========================================
+ Hits          2238     2239       +1     
+ Misses         228      225       -3     

Files	Coverage Δ
skale/contracts/base_contract.py	92.98% <100.00%> (-0.57%)	⬇️
skale/transactions/result.py	89.65% <94.73%> (+8.57%)	⬆️
skale/wallets/redis_wallet.py	90.65% <95.23%> (-0.26%)	⬇️
skale/transactions/tools.py	92.63% <70.00%> (+0.24%)	⬆️

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