use genesis.json for ArbOSInit feature flags#176
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Tristan-Wilson merged 1 commit intomasterfrom Feb 19, 2026
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The init.transaction-filtering-enabled config key was added as a temporary integration shim but never merged to nitro master in favor of passing ArbOSInit flags through genesis.json. Switch the testnode to generate an l2_genesis.json containing the chain config as serializedChainConfig plus the arbOSInit flags, and pass it to all L2 nodes via --init.genesis-json-file.
diegoximenes
approved these changes
Feb 19, 2026
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The init.transaction-filtering-enabled config key was added as a temporary integration shim but never merged to nitro master in favor of passing ArbOSInit flags through genesis.json. Switch the testnode to generate an l2_genesis.json containing the chain config as serializedChainConfig plus the arbOSInit flags, and pass it to all L2 nodes via --init.genesis-json-file.
Testing done
For testing, I ran the same smoke test as in #175
The
--devbuild is no longer needed, you can just specify the latest nitro rc egFixes NIT-4507