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Project Description We’re looking for an experienced Substrate developer to help us resolve a critical runtime-level issue on our custom blockchain (ArgoChain): Problem: [login to view URL]() was mistakenly called with sudo privileges, which froze era progression. Since then: No new eras are produced Validators are unable to rotate session keys Block times have slowed from 6 seconds to 11 minutes Transactions are backing up Your Task: Revert the forceEra state to NotForcing Optionally trigger a new era safely Restore block/session progression and normal BABE consensus Verify validator session keys and staking authority Deliver a concise post-fix checklist or runbook Environment: Chain: ArgoChain (Substrate-based) Runtime: BABE + GRANDPA Chain launched and live Ideal Experience: Hands-on with Substrate pallet-staking, pallet-session, and consensus Has debugged staking/session issues in production Familiar with Polkadot-JS Apps and node CLI tools Knows storage keys and extrinsics for validator health Timeline: Immediate availability preferred. This is a short project.
Project ID: 39717498
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Active 8 mos ago
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34 freelancers are bidding on average $1,320 USD for this job

Hi, thanks for posting. Just checked job description that Project Description We’re looking for an experienced Substrate developer to help us resolve a critical runtime-level issue on our custom blockchain (ArgoChain): Problem: staking I have carefully checked your requirements and could easily work with you. I would like to let you know that I have expert and commercial experience in Software Development, Cryptography, Distributed Systems, Ethereum, Polkadot, Debugging, Technical Documentation, Smart Contracts and Blockchain. My skills are: Laravel, PHP, Codeigniter, Core PHP, HTML, CSS, and Javascript. Here are my other skills Front End: UI/UX Designer, Graphics Design, Vue.js, React, react.js, Node.js, Angular.js, HTML 5, CSS 3, Bootstrap, JavaScript, JQuery, Basic Photoshop, Figma, Webflow. Back End: PHP, Laravel, Codeigniter, Cake PHP, Ajax, jQuery, MySQL, Python. My work Capability : Responsible for communication for more than 10 hours each day. 8 Hours/Day and 40 Hours/Week. Daily or Weekly update.I am ready to work in a customized time zone i.e. EST/IST time zone and so. Waiting for your response!! Regards!
$1,250 USD in 7 days
4.3
4.3

✅ Hi, there. Expert Here! ✅ As a seasoned blockchain developer, I have extensively worked with Substrate-powered blockchains similar to ArgoChain, focusing on pallet-staking and pallet-session functionalities alongside storage keys and extrinsics for validator health. My understanding of BABE and GRANDPA runtime structures aligns perfectly with the problem you need to resolve. Moreover, I have hands-on experience debugging staking and session issues in production environments, which will prove invaluable in fixing the current runtime-level challenge on your blockchain swiftly and efficiently. Furthermore, my familiarity with Polkadot-JS Apps and node CLI tools will empower me to comprehensively analyze the current state of your chain and identify the best strategy for reverting the forceEra status back to normal while ensuring that a new era is triggered safely. While providing a solution, I believe in delivering additional value. Therefore, I will document a concise post-fix checklist for you as part of my deliverable. Given the urgency of this situation, my immediate availability is an immense asset. I'm eager to dive into this project, bring back normalcy to your ArgoChain's eras, session keys rotation, restore decent block times, and alleviate transaction backlogs. Let's connect to discuss your exact requirements and how we can tackle them most efficiently. Together, we'll get your chain up and running smoothly while ensuring long-term stability!
$1,125 USD in 7 days
4.3
4.3

Hello, Good morning . I’m excited to help you with Substrate Blockchain Bug Fix – Validator Era/Session Recovery! I have solid experience in Ethereum, Software Development, Blockchain, Cryptography, Technical Documentation, Polkadot, Debugging, Distributed Systems and Smart Contracts and have done similar projects. My Approach: I break every project into clear, realistic milestones, communicate proactively, and deliver well-tested, efficient solutions that are easy to maintain and scale. Scope of Work (SOW): In-depth requirement analysis Design and development with modern best practices Rigorous testing and performance optimization Secure deployment and clear documentation Ongoing support if required I’m confident I can help turn your ideas into a robust and successful product. Let’s discuss your goals and how I can best contribute to your project. Best regards, Roshan J.
$1,250 USD in 7 days
0.0
0.0

I am a highly skilled Substrate developer with hands-on experience in Substrate pallet-staking, pallet-session, and consensus. I have successfully debugged similar staking/session issues in production environments and am very familiar with Polkadot-JS Apps and node CLI tools. With a solid background in blockchain technology, I am confident in my ability to quickly resolve the critical runtime-level issue on ArgoChain as described in the project requirements. Please take a moment to review my profile for feedback and portfolio, and feel free to start chatting with me to discuss the project further.
$1,200 USD in 20 days
0.0
0.0

It looks like reverting the `forceEra` state to `NotForcing` will be crucial to restoring your blockchain’s functionality. I have substantial experience with Substrate and can promptly address this issue. With hands-on expertise in `pallet-staking`, `pallet-session`, and BABE consensus, I have successfully debugged similar problems in production environments. I can efficiently restore block and session progression, and optimize validator session keys. Additionally, I’ll prepare a detailed post-fix checklist to ensure smooth operations moving forward. I am available immediately and can start working on this right away. Let me know how you’d like to proceed, and we can set up a time to discuss further.
$1,125 USD in 7 days
0.0
0.0

Hello, I can help you resolve the critical runtime-level issue on your ArgoChain blockchain. As an expert with 6 years of experience in blockchain development, particularly with Substrate, I have the necessary skills to revert the forceEra state and restore normal consensus processes effectively. I have hands-on experience with the Substrate pallet-staking, pallet-session, and consensus mechanisms. My background includes debugging complex staking and session issues in production environments, ensuring I understand the intricacies of validator health and performance. Given the urgency of your project, I’ll deliver a concise post-fix checklist along with the restoration of block and session progression. I am confident that my technical expertise aligns perfectly with your project requirements. Thanks, Billy Bryan
$750 USD in 5 days
0.0
0.0

Hello there. , Good morning I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Angular JS, Vue, TypeScript, Node JS, Ruby on Rails, django, .net, html/css as well as javascript, jquery, web3, and solidity. I have rich experienced in Ethereum, Smart Contracts, Technical Documentation, Distributed Systems, Software Development, Cryptography, Polkadot, Debugging and Blockchain. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Looking forward to hearing from you soon Angel
$1,250 USD in 20 days
0.0
0.0

I believe I’m an ideal match for what you're looking to accomplish. With hands-on experience in Substrate pallet-staking and familiarity with Polkadot-JS Apps, I can swiftly resolve the critical issue on ArgoChain. I’ve delivered high quality work for clients and I’m now bringing that same dedication here. I would love to chat more about your project! Regards, Marcell Bothma
$1,050 USD in 14 days
0.0
0.0

Hi, I 've check your project " Substrate Blockchain Bug Fix – Validator Era/Session Recovery " carefully and understood what you want. I am senior full stack developer with 10 years of experience who is good at Smart Contracts, Software Development, Blockchain, Distributed Systems, Cryptography, Ethereum, Polkadot, Technical Documentation and Debugging and I think I can complete your project with similiar experience. I would like to have a brief discussion for your project very soon. Best regards, Benjamin
$750 USD in 21 days
0.0
0.0

Hello, I understand the urgency and complexity of addressing the runtime-level issue on ArgoChain. Having recently resolved similar staking and session problems in live Substrate environments, I am confident in quickly reverting the forceEra state and restoring normal operations. My approach will ensure safe era triggering and validator session key verification using both Polkadot-JS Apps and node CLI tools. I will deliver a comprehensive post-fix checklist to guide you through ongoing maintenance. Immediate availability aligns with the project’s needs. Thanks, Zeljko
$1,250 USD in 6 days
0.0
0.0

Hi, as an ace Substrate Developer well-versed in BABE and GRANDPA runtimes, I have successfully tackled critical issues similar to what ArgoChain is currently facing. My solid experience with pallet-staking, pallet-session, and consensus management underlines my competency in debugging staking/session concerns in production environments and will be most valuable for restoring your blockchain's normal operations. In addition, I'm quite familiar with the Polkadot-JS Apps and node CLI tools that you employ. This means a quicker time-to-solution, as I won't need mustering up on your tech stack or architecture - I know my way around it! Understanding storage keys and extrinsics for validator health is paramount to fixing the validator era/session recovery challenge you're encountering - and it's something that I'm quite comfortable with. I'm all about driving meaningful and tangible impact through technology, which is why this project resonates deeply with me. Given the magnitude of the problem at hand, my immediate availability can potentially save significant time and help get your blockchain back on track swiftly. Trust me to provide not just a quick fix but also a detailed post-fix checklist or runbook to ensure the durability of the solution going forward. Thank you for considering my candidacy; I'm eagerly looking forward to resolving this issue for you soon!
$1,500 USD in 7 days
0.0
0.0

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