Category
Hands-on tutorials for JSON-RPC methods, WebSocket subscriptions, logs, archive data, and chain-specific RPC behavior.
Chain-wide gas heat radar on Robinhood Chain (EVM 0x1237): newHeads → 5/15m heat → spike hint. StackBlitz preview only; public WSS + Free 3M.
Read articleHolding-period Canary watchtower on Robinhood Chain (EVM 0x1237): position table → subscribe → state diff alerts. StackBlitz preview only; public WSS + Free 3M.
Read articleTimed launch watch on Robinhood Chain (EVM 0x1237): known T-0 → subscribe → time-window filter → alert card. StackBlitz preview only; public WSS + Free 3M.
Read articleNew-pair pipeline on Robinhood Chain (EVM 0x1237): subscribe → filter → notify. StackBlitz preview only; public WSS + Free 3M. Differs from whale FOMO (known-wallet follow).
Read articleWhale FOMO follow-flow on Robinhood Chain (EVM 0x1237): watchlist → subscribe → short-window tags. StackBlitz preview only; public WSS + Free 3M.
Read articleVolume-density watch on Robinhood Chain (EVM 0x1237): look → subscribe → tag → backfill. StackBlitz preview only; public WSS + Free 3M.
Read articleOpen-watch stack on Robinhood Chain (EVM 0x1237): newHeads heartbeat, narrow logs, local pattern tags, reconnect backfill via eth_getLogs—public + Free 3M.
Read articleSeries Part 3: frequency thresholds, cooldown, and dedupe for high-vol windows on Robinhood Chain via BlockReq RPC—no return guarantee.
Read articleFilter Transfer / mint / pool-create topics on Robinhood Chain with BlockReq public RPC. Series Part 2: logs signals, not App pushes or coin picks.
Read articleUse ethers v6 with BlockReq HTTPS RPC for reads and balance checks, while keeping signer and WebSocket behavior separate.
Read articleCreate typed viem clients, read chain state, call contracts, and keep endpoint-chain mismatches from reaching production.
Read articleWire BlockReq into Foundry with environment variables, run fast RPC smoke checks, fork mainnet in tests, and keep broadcast scripts explicit.
Read articleUse multi-chain RPC endpoints while keeping private provider routing and operational telemetry out of public application code.
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