Add golangci-lint to CircleCI

[elmutt]

Overview

We need standard linting checks for unchained in CircleCI. Use golangci-lint to lint pull requests in CircleCI

Reference

https://github.com/golangci/golangci-lint
https://github.com/shapeshift/unchained/blob/develop/.circleci/config.yml

Acceptance Criteria

• Use golangci-lint V1.44.2

• Enable lint step in unchained-precheck-go job

• Fix any existing lint errors throughout the go project

• PR's are linted during CI using golangci-lint and rejected if anything is wrong

Need By Date

No response

Ownership

• If my bounty needs engineering or needs product I have added the respective labels on the right
• As the sponsor of this bounty I will review the changes in a preview environment (ops/product) or review the PR (engineering)

Bounty Hunters

• Join our discord
• Include an expected timeline for you to complete work in the work plan when you apply for this bounty!
• Please refer to this link for some basic info
• Please do not start work on this issue until you are approved in Gitcoin.

[gitcoinbot]

Issue Status: 1. Open 2. Started 3. Submitted 4. Done

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This issue now has a funding of 1100.0 FOX (294.68 USD @ $0.27/FOX) attached to it as part of the ShapeShift fund.

• If you would like to work on this issue you can 'start work' on the Gitcoin Issue Details page.
• Want to chip in? Add your own contribution here.
• Questions? Checkout Gitcoin Help or the Gitcoin's Discord
• $4,407,566.71 more funded OSS Work available on the Gitcoin Issue Explorer

[gitcoinbot]

Issue Status: 1. Open 2. Started 3. Submitted 4. Done

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Work has been started.

These users each claimed they can complete the work by 264 years, 8 months from now.
Please review their action plans below:

1) trungtin has been approved to start work.

I have set up this in one of my projects, can do the same on unchained repo swiftly.

Learn more on the Gitcoin Issue Details page.

[gitcoinbot]

Issue Status: 1. Open 2. Started 3. Submitted 4. Done

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Work for 1100.0 FOX (294.68 USD @ $0.27/FOX) has been submitted by:

1. @trungtin

@0xean please take a look at the submitted work:

• PR by @trungtin

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• Learn more on the Gitcoin Issue Details page
• Want to chip in? Add your own contribution here.
• Questions? Checkout Gitcoin Help or the Gitcoin's Discord
• $4,403,347.67 more funded OSS Work available on the Gitcoin Issue Explorer

[0xean]

payment is on its way! Thanks for another one @trungtin

[gitcoinbot]

Issue Status: 1. Open 2. Started 3. Submitted 4. Done

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The funding of 1100.0 FOX (297.76 USD @ $0.27/FOX) attached to this issue has been approved & issued to @trungtin.

• Learn more on the Gitcoin Issue Details page
• Questions? Checkout Gitcoin Help or the Gitcoin's Discord
• $4,446,081.51 more funded OSS Work available on the Gitcoin Issue Explorer