New stats command added to planet cli

[greymistcube]

A rudimentary implementation of extracting stored blockchain information. See the provided help text for usage.

Usage: Libplanet.Tools stats [--path <String>] [--header] [--offset <Int64>] [--limit <Nullable`1>] [--help]

Outputs a summary of a stored chain in a CSV format.

Options:
  -p, --path <String>         The URI denoting the type and the path of a concrete class for IStore; given as <store-type>://<store-path> (Required)
  -r, --header                Whether to include header row
  -o, --offset <Int64>        Starting index offset; supports negative indexing (Default: 0)
  -l, --limit <Nullable`1>    Maximum number of results to return; no limit by default
  -h, --help                  Show help message

Outputs to a terminal, so pipe accordingly. Output is in a CSV format with the following fields:

• index
• hash
• difficulty
• miner
• tx count
• timestamp (in UNIX milliseconds)
• perceived timestamp, if any (in UNIX milliseconds)

The -o option supports negative indexing with the value of -1 corresponding to the tip of the chain it is querying.

[codecov]

Codecov Report

Merging #1353 (9fa2f2c) into main (0033ed7) will decrease coverage by 9.23%.
The diff coverage is 52.78%.

❗ Current head 9fa2f2c differs from pull request most recent head b98fe2f. Consider uploading reports for the commit b98fe2f to get more accurate results

@@            Coverage Diff             @@
##             main    #1353      +/-   ##
==========================================
- Coverage   86.03%   76.79%   -9.24%     
==========================================
  Files         361      254     -107     
  Lines       32457    17055   -15402     
==========================================
- Hits        27925    13098   -14827     
- Misses       2747     3406     +659     
+ Partials     1785      551    -1234     

Impacted Files	Coverage Δ
...bplanet.Explorer/Controllers/ExplorerController.cs	0.00% <0.00%> (ø)
...rer/Controllers/GenericControllerNameConvention.cs	0.00% <0.00%> (ø)
Libplanet.Explorer/Controllers/GraphQLBody.cs	0.00% <0.00%> (ø)
Libplanet.Explorer/ExplorerStartup.cs	0.00% <0.00%> (ø)
Libplanet.Explorer/GraphTypes/NodeStateType.cs	0.00% <0.00%> (ø)
...ibplanet.Explorer/Interfaces/IBlockChainContext.cs	0.00% <0.00%> (ø)
Libplanet.Explorer/Queries/BlockQuery.cs	0.00% <0.00%> (ø)
Libplanet.Explorer/Queries/ExplorerQuery.cs	0.00% <0.00%> (ø)
Libplanet.Explorer/Queries/TransactionQuery.cs	0.00% <0.00%> (ø)
Libplanet.Explorer/Store/AddressRefDoc.cs	0.00% <0.00%> (ø)
... and 247 more

[longfin]

/rebase

[longfin]

/rebase