chore: re-add execution of network transactions and add expiration#2148
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Some suggestions, but looks good otherwise.
Co-authored-by: Mirko <48352201+Mirko-von-Leipzig@users.noreply.github.com>
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Third and final PR of the ntx-builder block-subscription refactor (follows #2120 and #2144). This PR reconnects the execution path so the ntx-builder actually builds and submits network transactions again.
After catch-up, an account actor with pending notes selects a candidate, executes/proves/submits it, then enters a
WaitForBlockstate and detects landing purely from local state. If the transaction doesn't land withintx_expiration_deltablocks, the actor resubmits.Submitted transactions also carry an on-chain expiration: a pre-compiled transaction script (
update_expiration_block_delta) is injected viaTransactionArgs, so a stale tx is rejected by the chain rather than landing late.