feat: add Robinhood Chain (hoodeth) mainnet contract deployment config

[yashvanthbl137-crypto]

Summary

• Updates HOODETH chain ID from placeholder 999999 to correct mainnet value 4663 (Robinhood Chain, ArbOS 51)
• Adds HOODETH deploy gas config: gasLimit: 50M, ForwarderV4/ForwarderFactoryV4
• Updates hoodeth network in hardhat.config.ts with mainnet RPC, chainId, and Blockscout mainnet explorer URLs
• Adds CHAIN_VERIFICATION_OVERRIDES in deployUtils.ts for hoodeth: 2 block confirmations and 2 verification retries — Robinhood Chain is a low-activity private chain with ~98 min average block time; the defaults (5 confirmations, 10 retries × 60s) would cause CI timeouts

Deployed Addresses (Mainnet: hoodeth — Robinhood Chain, Chain ID: 4663)

• WalletSimple: 0xE39602d6D3570dE50721cb98C0f1813F956E35bB
• WalletFactory: 0x86835565aD0aA35e83FEb4a0F6e4F43E6Ffa27b8
• ForwarderV4: 0x51eF284caAE2269FB7f9b9e118147ECc221dC680
• ForwarderFactoryV4: 0xDA4300c74F501058bA6B971f724BdC86846c42A7
• Batcher: 0x3BC098a2EDE9835ed6f4271851b15f6a1B8C6249

deployment logs : https://docs.google.com/document/d/1hZWm1LRX0ObeZLU5v6yLu43RqiyusLjy-81zPa0lHpg/edit?usp=sharing

Gas Usage Analysis — Hoodeth Mainnet Deployment

Contract	Gas Used	Gas Limit	Headroom
WalletSimple	2,822,165	50,000,000	17.7×
WalletFactory	376,918	50,000,000	132.7×
ForwarderV4	2,461,667	50,000,000	20.3×
ForwarderFactoryV4	402,013	50,000,000	124.4×

The configured gasLimit of 50M provides 17.7× headroom over the largest contract (WalletSimple at ~2.8M gas). This accounts for L1 data fee volatility on Arbitrum-based rollups, where the total gasUsed includes a variable L1 data posting component driven by Ethereum mainnet conditions.

Test plan

• V4 contracts deployed and confirmed on chain at expected nonces (0-3) : transactions link
• Batcher deployed and confirmed on chain : transactions link
• Deploy script completes within CI time limits with 2 confirmations + 2 retries
• No impact on existing chain deployments (all other chains use default 5 confirmations, 10 retries)

Ticket: CGD-976

[linear-code]

CGD-976 Robhinhood contract deployment (Mainnet)

[Copilot]

Pull request overview

Adds Robinhood Chain (hoodeth) mainnet support to the deployment/config tooling by updating the chain ID, Hardhat network + explorer settings, and tuning deployment/verification behavior for that chain’s characteristics.

Changes:

• Updated CHAIN_IDS.HOODETH from a placeholder to the Robinhood Chain mainnet chain ID (4663).
• Added hoodeth-specific deployment gas limit (50M) in getChainConfig.
• Updated hardhat.config.ts hoodeth RPC + explorer URLs and introduced per-chain verification overrides (confirmation blocks / retries) for hoodeth.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 2 comments.

File	Description
scripts/chainConfig.ts	Adds HOODETH-specific gas limit and forwarder contract name selection.
hardhat.config.ts	Updates hoodeth mainnet RPC configuration and Blockscout explorer endpoints.
deployUtils.ts	Adds per-chain verification overrides (confirmations/retries) and wires them into waitAndVerify.
config/chainIds.ts	Sets HOODETH mainnet chain ID to 4663.

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[Venkat-Annavazzala]

@claude