feat(tempo): add WithdrawalSenderTag - #348
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July 31, 2026 20:22
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This was referenced Aug 6, 2026
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Summary
Adds a public
WithdrawalSenderTagTempo utility for deriving the sender tag that correlates Zone withdrawals with parent-chainWithdrawalProcessedevents.Motivation
Consumers need to derive this protocol value without depending on Viem’s synchronous withdrawal submission action.
Changes
WithdrawalSenderTag.fromusing Ox ABI packing and Keccak primitives.ox/tempoandox/tempo/WithdrawalSenderTagentrypoints.Testing
pnpm exports:updatepnpm test --project tempo-unit --bail=1 src/tempo/WithdrawalSenderTag.test.tspnpm checkpnpm check:typespnpm buildpnpm docs:genCompatibility
This preview targets Ox 1.x. Viem 2.55.x currently depends on Ox 0.14.x, so downstream testing requires an intentional Ox upgrade.