Summary:
Your UI can look perfect… and still be unusable if transactions fail.
I debug the real reason your contract calls break, then fix it cleanly.
Common Problems I Fix
“Transaction reverted” / unclear revert reasons
Wrong contract address per chain
ABI mismatch / wrong function params
Wrong signer/provider usage (read vs write confusion)
Allowance/approval flows stuck
Gas estimation failures, nonce issues, “replacement underpriced”
Typed data signing issues (eth_signTypedData_v4)
What I Actually Do (not guessing)
Reproduce issue + isolate root cause
Inspect provider, signer, chain config, and call data
Fix logic + add guardrails to prevent regressions
Improve user-facing errors (so users don’t panic)
Deliverables
Working tx flow (approve → execute) if needed
Safer contract instantiation + chain-aware config
Optional: basic test / sanity script (if repo supports it)
Supported Stack
React / Next.js • Ethers.js / Web3.js • wagmi/viem (if you use it)
What I Need From You
Repo or deployed link + target networks + example failing action + error logs.
