feat: add sepeth (Sepolia) EVM chain support [CECHO-1729] - #372
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Adds Sepolia testnet chain support to eth-multisig-v4 and deploys V4 wallet + Batcher contracts on testnet.
rithwik-bitgo
marked this pull request as draft
August 17, 2026 12:25
rithwik-bitgo
marked this pull request as ready for review
August 18, 2026 03:38
shivabitgo
approved these changes
Aug 19, 2026
KartikKSrivastava
approved these changes
Aug 19, 2026
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Summary
Adds Sepolia (sepeth) EVM testnet chain support to eth-multisig-v4 and deploys
V4 wallet + Batcher contracts on testnet.
Linear: CECHO-1729
Changes
config/chainIds.ts— AddedSEPETH(11155111)scripts/chainConfig.ts— AddedCHAIN_IDS.SEPETHcase (sharesHOODI's config:ForwarderV4/ForwarderFactoryV4, default feeData-based gas)hardhat.config.ts— Addedsepethnetwork entry,sepoliaetherscan apiKey entry, andsepoliacustomChains entry (needed by the repo's custom verifier fallback).github/workflows/deploy_and_release.yml— Addedsepethto tag regex and testnet deploy condition (testnet-only, no mainnet counterpart).github/workflows/deploy_batcher_contract.yml— Addedsepethto tag regex and testnet deploy conditionDeployed Addresses (Testnet: sepeth)
0x432CD32adA1654E5963f19C950E24708B8367BD80x86cC3FCE56285cab84854ddbCDD9821880989aBF0xB657FD5A3cE8bd6c346d457D2014cc00E65bBED30xb6F17b28175E38c056Cb27E170884251504Ca8490x5d9819298792e849bE9D96Dcc30E2b6ce703C192WalletFactory, ForwarderV4, and ForwarderFactoryV4 are verified on Sepolia Etherscan. WalletSimple and Batcher submissions hit Etherscan's V1 API deprecation during the automated deploy flow and are pending manual re-verification.
Explorer
Testnet: https://sepolia.etherscan.io
Test plan