JIP 1, 6

[qiweiii]

improve JIP 1 log host call
implement JIP 6 program metadata format, tested by looking at testvectors logs

[codecov]

Codecov Report

Attention: Patch coverage is 54.54545% with 10 lines in your changes missing coverage. Please review.

Project coverage is 81.46%. Comparing base (537bd14) to head (601f2d8).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
...ckchain/Sources/Blockchain/Types/CodeAndMeta.swift	16.66%	10 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #341      +/-   ##
==========================================
- Coverage   81.46%   81.46%   -0.01%     
==========================================
  Files         374      374              
  Lines       32437    32447      +10     
==========================================
+ Hits        26425    26433       +8     
- Misses       6012     6014       +2     

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