Zcash Infra - 1 year - hanh

hanh · December 20, 2024, 1:04am

github.com/ZcashCommunityGrants/zcashcommunitygrants

Zcash Infra - 1 year - hanh

opened 01:02AM - 20 Dec 24 UTC

### Terms and Conditions - [X] I agree to the [Grant Agreement](https://9ba47…18c-5c73-47c3-a024-4fc4e5278803.usrfiles.com/ugd/9ba471_f81ef4e4b5f040038350270590eb2e42.pdf) terms if funded - [X] I agree to [Provide KYC information](https://9ba4718c-5c73-47c3-a024-4fc4e5278803.usrfiles.com/ugd/9ba471_7d9e73d16b584a61bae92282b208efc4.pdf) if funded above $50,000 USD - [X] I agree to disclose conflicts of interest - [X] I agree to adhere to the [Code of Conduct](https://forum.zcashcommunity.com/t/zcg-code-of-conduct/41787) and [Communication Guidelines](https://forum.zcashcommunity.com/t/zcg-communication-guidelines/44284) - [X] I agree to post request details on the [Community Forum](https://forum.zcashcommunity.com/c/grants/33) - [X] I understand it is my responsibility to post a link to this issue on the [Zcash Community Forums](https://forum.zcashcommunity.com/c/grants/33) after this application has been submitted so the community can give input. I understand this is required in order for ZCG to discuss and vote on this grant application. ### Application Owners (@Octocat, @Octocat1) @hhanh00 ### Organization Name hanh ### How did you learn about Zcash Community Grants forums ### Requested Grant Amount (USD) 6000 ### Category Infrastructure ### Project Lead ```project-lead.yaml Name: hanh Role: devops Background: developer Responsibilities: maintain lwd and zebrad ``` ### Additional Team Members ```team-members.yaml None ``` ### Project Summary This is the continuation of the previous grant for zcash-infra, for another year. Part of it is retroactive because the previous grant already ended. ### Project Description Maintain a minimum of 4 public lwd servers (currently 6) ### Proposed Problem There are not enough public lwd servers for the mobile wallets. ### Proposed Solution lwd[1-6].zcash-infra.com:9067 serve the zcash/lightwalletd repo + zwl patch ### Solution Format - lwd servers - a status web page for monitoring ### Dependencies None ### Technical Approach Ansible and a bunch of scripts ### Upstream Merge Opportunities N/A ### Hardware/Software Costs (USD) 0 ### Hardware/Software Justification N/A ### Service Costs (USD) 6000 ### Service Costs Justification Hosting for 12 months ### Compensation Costs (USD) 0 ### Compensation Costs Justification N/A ### Total Budget (USD) 6000 ### Previous Funding Yes ### Previous Funding Details Same as this one. ### Other Funding Sources No ### Other Funding Sources Details _No response_ ### Implementation Risks None ### Potential Side Effects None ### Success Metrics Good availability of these servers ### Startup Funding (USD) 6000 ### Startup Funding Justification Upfront payment reduces costs. ### Milestone Details ```milestones.yaml - Milestone: 1 Amount (USD): 6000 Expected Completion Date: 2024-20-12 Deliverables: The servers are already running. We want to keep them running. ``` ### Supporting Documents ```files.yaml N/A ```

ZCG · December 30, 2024, 4:38pm

@hanh at the most recent meeting, the @ZcashGrants Committee voted to approve this proposal.

hanh · February 13, 2025, 11:17pm

The nodes are still running: https://status.zcash-infra.com/

emersonian · February 14, 2025, 3:34pm

Hanh what is your timeline for updating Zebra? Hosh: Light Wallet Server Status

emersonian · April 21, 2025, 7:05pm

Hi Hanh - these servers have been offline for a few days. When can the community expect them to return? Thanks.

lwd1.zcash-infra.com:9067
lwd2.zcash-infra.com:9067
lwd3.zcash-infra.com:9067
lwd4.zcash-infra.com:9067
lwd5.zcash-infra.com:9067
lwd6.zcash-infra.com:9067
lwd7.zcash-infra.com:9067
lwd8.zcash-infra.com:9067

hanh · April 22, 2025, 12:21am

Zebra keeps crashing on

Apr 12 23:47:38 zebra2.zcash-infra.com zebrad[1239577]: The application panicked (crashed).
Apr 12 23:47:38 zebra2.zcash-infra.com zebrad[1239577]: Message:  response json should have an id
Apr 12 23:47:38 zebra2.zcash-infra.com zebrad[1239577]: Location: zebra-rpc/src/server/rpc_call_compatibility.r>
Apr 12 23:47:38 zebra2.zcash-infra.com zebrad[1239577]: Metadata:
Apr 12 23:47:38 zebra2.zcash-infra.com zebrad[1239577]: version: 2.2.0
Apr 12 23:47:38 zebra2.zcash-infra.com zebrad[1239577]: Zcash network: Mainnet
Apr 12 23:47:38 zebra2.zcash-infra.com zebrad[1239577]: running state version: 26.0.0
Apr 12 23:47:38 zebra2.zcash-infra.com zebrad[1239577]: initial disk state version: 26.0.0
Apr 12 23:47:38 zebra2.zcash-infra.com zebrad[1239577]: features: default,getblocktemplate_rpcs,howudoin,indica>
Apr 12 23:47:38 zebra2.zcash-infra.com zebrad[1239577]: branch: HEAD
Apr 12 23:47:38 zebra2.zcash-infra.com zebrad[1239577]: git commit: 6d01f05
Apr 12 23:47:38 zebra2.zcash-infra.com zebrad[1239577]: commit timestamp: 2025-02-04T16:50:10.000000000Z
Apr 12 23:47:38 zebra2.zcash-infra.com zebrad[1239577]: target triple: x86_64-unknown-linux-gnu
Apr 12 23:47:38 zebra2.zcash-infra.com zebrad[1239577]: rust compiler: 1.82.0
Apr 12 23:47:38 zebra2.zcash-infra.com zebrad[1239577]: rust release date: 2024-10-15
Apr 12 23:47:38 zebra2.zcash-infra.com zebrad[1239577]: optimization level: 3
Apr 12 23:47:38 zebra2.zcash-infra.com zebrad[1239577]: debug checks: false

It’s a known issue and is fixed in main.

I’ll wait for the next official release.

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Zcash Infra - 1 year - hanh

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