Domain metadata (#1141)

[KalitaAlexey]

Closes #1141

Signed-off-by: Alexey Kalita kalita.alexey@outlook.com

Description of the Change

Adding metadata to domains

Issue

Benefits

Possible Drawbacks

Usage Examples or Tests [optional]

Alternate Designs [optional]

[codecov]

Codecov Report

Merging #1541 (18901b8) into iroha2-dev (f34d0be) will decrease coverage by 0.08%.
The diff coverage is 83.70%.

❗ Current head 18901b8 differs from pull request most recent head 11797a8. Consider uploading reports for the commit 11797a8 to get more accurate results

@@              Coverage Diff               @@
##           iroha2-dev    #1541      +/-   ##
==============================================
- Coverage       77.16%   77.08%   -0.09%     
==============================================
  Files             118      118              
  Lines           18974    18770     -204     
==============================================
- Hits            14641    14468     -173     
+ Misses           4333     4302      -31     

Impacted Files	Coverage Δ
data_model/src/query.rs	24.36% <42.10%> (-0.89%)	⬇️
core/src/smartcontracts/isi/domain.rs	48.76% <55.55%> (+1.94%)	⬆️
core/src/smartcontracts/isi/query.rs	77.50% <95.23%> (-6.20%)	⬇️
permissions_validators/src/lib.rs	64.77% <98.33%> (+0.08%)	⬆️
core/src/smartcontracts/isi/mod.rs	78.40% <100.00%> (+3.08%)	⬆️
core/src/wsv.rs	93.62% <100.00%> (+0.74%)	⬆️
data_model/src/lib.rs	65.43% <100.00%> (+<0.01%)	⬆️
core/src/block_sync.rs	91.30% <0.00%> (-0.55%)	⬇️
... and 11 more

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[s8sato]

Let's make it consistent about key type.
Then I'll approve after rebase

iroha/data_model/src/lib.rs

Lines 2674 to 2676 in 18901b8

	pub struct Metadata {
	map: BTreeMap<Name, Value>,
	}