[ioctl] add bc delegate command

[dustinxie]

Description

ioctl node delegate gives the delegates list of a certain epoch, but not every delegate's detailed info.

add a ioctl bc delegate command, like below:

./bin/ioctl bc delegate cpc --endpoint=api.iotex.one:443
{
	name: cpc
	ownerAddress: io1smh0a4ms9fc5p8v9h9l7ffgkekv032hzsdkr9a
	operatorAddress: io16fknjsnhj6m5x2fawu5tqfrk6pr9r9xyz489vk
	rewardAddress: io12mgttmfa2ffn9uqvn0yn37f4nz43d248l2ga85
	totalWeightedVotes: 68963450.120222472655746524
	selfStakeBucketIdx: 12
	selfStakingTokens: 2975349.881825114451272576 IOTX
}

Fixes #(issue)

Type of change

Please delete options that are not relevant.

• [] Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• [] Code refactor or improvement
• [] Breaking change (fix or feature that would cause a new or changed behavior of existing functionality)
• [] This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• make test
• [] fullsync
• [] Other test (please specify)

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[codecov]

Codecov Report

Merging #3891 (8cfae68) into master (e1f0636) will increase coverage by 0.20%.
The diff coverage is 67.20%.

❗ Current head 8cfae68 differs from pull request most recent head fb52c77. Consider uploading reports for the commit fb52c77 to get more accurate results

@@            Coverage Diff             @@
##           master    #3891      +/-   ##
==========================================
+ Coverage   75.38%   75.58%   +0.20%     
==========================================
  Files         303      328      +25     
  Lines       25923    27818    +1895     
==========================================
+ Hits        19541    21027    +1486     
- Misses       5360     5714     +354     
- Partials     1022     1077      +55     

Impacted Files	Coverage Δ
action/protocol/execution/evm/evm.go	43.52% <0.00%> (-2.95%)	⬇️
action/protocol/execution/evm/evmstatedbadapter.go	66.77% <ø> (ø)
action/protocol/poll/consortium.go	0.00% <0.00%> (ø)
action/protocol/poll/staking_committee.go	43.85% <0.00%> (ø)
...tion/protocol/staking/contractstake_bucket_type.go	0.00% <0.00%> (ø)
api/grpcserver.go	86.40% <0.00%> (ø)
api/loglistener.go	25.00% <0.00%> (ø)
api/web3server_marshal.go	93.21% <ø> (ø)
api/websocket.go	5.17% <0.00%> (ø)
blockchain/config.go	74.54% <ø> (ø)
... and 51 more

... and 4 files with indirect coverage changes

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[Liuhaai]

could be integrated into nodedelegate.go as a flag?

[dustinxie]

could be integrated into nodedelegate.go as a flag?

don't want to mix into ioctl node delegate, there is already ioctl bc bucket and ioctl bc bucketlist command, so ioctl bc delegate makes sense

[sonarcloud]

SonarCloud Quality Gate failed.   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
7.2% Duplication

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