Secure Ethereum presale claim bot
- Posted 1 month ago
- Remote
Job description
1. Deliver a secure Ethereum presale claim bot that continuously monitors claim status and executes the moment claim functions open
2. Prevent front running and sweeper bots by bundling claim and transfer transactions together in the same private Flashbots submission
3. Support both LilPepe and BTC Hyper within a single configuration
4. Ensure the bot runs continuously until both claims are completed with reliability and clear logsDeliverables
2. Prevent front running and sweeper bots by bundling claim and transfer transactions together in the same private Flashbots submission
3. Support both LilPepe and BTC Hyper within a single configuration
4. Ensure the bot runs continuously until both claims are completed with reliability and clear logsDeliverables
- 1. Private GitHub repository with full Node.js and ethers.js codebase
- 2. Configuration files including config.json and .env template for secrets
- 3. README with setup instructions configuration guide and run commands
- 4. PM2 ecosystem file or systemd unit file for continuous running
- 5. Sepolia proof with verifiable private bundle transaction hash and logs
- 6. Mainnet dry run simulation logs for both LilPepe and BTC Hyper
- 7. Final handover of all code and documentation
- Acceptance Criteria
- 1. Bot runs for forty eight hours on Sepolia without crashing
- 2. Bot detects claimable state and submits private bundle that confirms within one or two blocks
- 3. Dual token orchestration works both open leads to chained bundle with correct order one open executes that path while monitoring the other
- 4. Tokens arrive in safe wallet either through direct claimTo or through transfer within the same bundle
- 5. Logs clearly show detection submission transaction hashes and results
- 6. Failover tested so if primary RPC or relay is unavailable the bot switches to backup and continues
- 7. Client can configure gas and relays without editing source code
Skills required
Aug 11, 2025
DeFi Developer with Front-end and Web3 venture
Fixed price project
€50-€80
We are seeking talented engineers to build the next generation of DeFi. As a senior DeFi developer, you’ll help solve unique, highly complex problems and will report to the founder, and work with our designer, front-end/web3 developer to build scalable dapps making it accessible for retail users throughout the world. We…
- Remote
- Mid level
- 1 freelancers