feat(examples): add counter contract

[krypt0bi]

This PR adds a simple counter smart contract example to demonstrate state management in Gno. The example includes:

A counter contract with Increment, Decrement, Reset, and GetCount functions.

A test file (counter_test.gno) to verify the contract’s logic.

A README.md explaining usage and how to run tests.

Purpose:

Provides a beginner-friendly example for learning Gno smart contracts.

Shows how to manage state with std.GetState/std.SetState.

Checklist:

Ran gnodev test ./examples/counter locally.

Added documentation (README).

[Gno2D2]

🛠 PR Checks Summary

All Automated Checks passed. ✅

Manual Checks (for Reviewers):

• IGNORE the bot requirements for this PR (force green CI check)
• The pull request description provides enough details

Read More

🤖 This bot helps streamline PR reviews by verifying automated checks and providing guidance for contributors and reviewers.

✅ Automated Checks (for Contributors):

🟢 Maintainers must be able to edit this pull request (more info)
🟢 Pending initial approval by a review team member, or review from tech-staff

☑️ Contributor Actions:

1. Fix any issues flagged by automated checks.
2. Follow the Contributor Checklist to ensure your PR is ready for review.
   • Add new tests, or document why they are unnecessary.
   • Provide clear examples/screenshots, if necessary.
   • Update documentation, if required.
   • Ensure no breaking changes, or include BREAKING CHANGE notes.
   • Link related issues/PRs, where applicable.

☑️ Reviewer Actions:

1. Complete manual checks for the PR, including the guidelines and additional checks if applicable.

📚 Resources:

• Report a bug with the bot.
• View the bot’s configuration file.

Debug

Automated Checks

Maintainers must be able to edit this pull request (more info)

If

🟢 Condition met
└── 🟢 And
    ├── 🟢 The base branch matches this pattern: ^master$
    └── 🟢 The pull request was created from a fork (head branch repo: krypt0bi/gno)

Then

🟢 Requirement satisfied
└── 🟢 Maintainer can modify this pull request

Pending initial approval by a review team member, or review from tech-staff

If

🟢 Condition met
└── 🟢 And
    ├── 🟢 The base branch matches this pattern: ^master$
    └── 🟢 Not (🔴 Pull request author is a member of the team: tech-staff)

Then

🟢 Requirement satisfied
└── 🟢 If
    ├── 🟢 Condition
    │   └── 🟢 Or
    │       ├── 🔴 At least 1 user(s) of the organization reviewed the pull request (with state "APPROVED")
    │       ├── 🔴 At least 1 user(s) of the team tech-staff reviewed pull request
    │       └── 🟢 This pull request is a draft
    └── 🟢 Then
        └── 🟢 Not (🔴 This label is applied to pull request: review/triage-pending)

Manual Checks

**IGNORE** the bot requirements for this PR (force green CI check)

If

🟢 Condition met
└── 🟢 On every pull request

Can be checked by

• Any user with comment edit permission

The pull request description provides enough details

If

🟢 Condition met
└── 🟢 And
    ├── 🟢 Not (🔴 Pull request author is a member of the team: core-contributors)
    └── 🟢 Not (🔴 Pull request author is user: dependabot[bot])

Can be checked by

• team core-contributors

[leohhhn]

Hello, thank you for your contribution. This contract already exists in the examples folder, and tbh, your code seems like it was written by ChatGPT and for the purpose of airdrop farming.

If you wish to contribute, please open a new PR, change your code to have demonstrational value in the examples folder and actually run gno test.

[leohhhn]

See comment above, closing this.

[krypt0bi]

Thank you. I will put in more work. I just wanna be a part of this. Your comment is well appreciated.

…

-------- Original Message --------

On 24/02/2025 6:29 pm, Leon Hudak wrote: Hello, thank you for your contribution. This contract already exists in the examples folder, and tbh, your code seems like it was written by ChatGPT and for the purpose of airdrop farming. If you wish to contribute, please change your code to have demonstrational value in the examples folder and actually run gno test. — Reply to this email directly, [view it on GitHub](#3807 (comment)), or [unsubscribe](https://github.com/notifications/unsubscribe-auth/ASEFIMZ53YZEUMRIRB4E5XD2RNJG5AVCNFSM6AAAAABXU557VCVHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMZDMNZZGE3TINJXGA). You are receiving this because you were assigned.Message ID: ***@***.***> [leohhhn]leohhhn left a comment [(gnolang/gno#3807)](#3807 (comment)) Hello, thank you for your contribution. This contract already exists in the examples folder, and tbh, your code seems like it was written by ChatGPT and for the purpose of airdrop farming. If you wish to contribute, please change your code to have demonstrational value in the examples folder and actually run gno test. — Reply to this email directly, [view it on GitHub](#3807 (comment)), or [unsubscribe](https://github.com/notifications/unsubscribe-auth/ASEFIMZ53YZEUMRIRB4E5XD2RNJG5AVCNFSM6AAAAABXU557VCVHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMZDMNZZGE3TINJXGA). You are receiving this because you were assigned.Message ID: ***@***.***>