serviceability-instruction: topology + feed builders (RFC-26 R7)#4056
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serviceability-instruction: topology + feed builders (RFC-26 R7)#4056juan-malbeclabs wants to merge 1 commit into
juan-malbeclabs wants to merge 1 commit into
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Topology create/delete plus batched clear_topology / assign_topology_node_segments (single-chunk builder + *_batched convenience; CLEAR_BATCH_SIZE=16 / BACKFILL_BATCH_SIZE=4 consts moved into the crate). Feed create/update/delete. Topology PDA derived from args.name; feed PDA from args.code + args.exchange. Refs #4022, RFC-26.
This was referenced Jul 13, 2026
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Summary
RFC-26 R7 (stacked on the previous phase's branch). Topology create/delete plus batched clear_topology / assign_topology_node_segments (single-chunk + *_batched; CLEAR_BATCH_SIZE=16 / BACKFILL_BATCH_SIZE=4 moved into the crate). Feed create/update/delete.
All builders route through
authorize()->build_with_permissionunless noted; each carries a verbatim account-layout doc-comment copied from its processor.Testing Verification
AccountMetalist (incl. trailing[payer, system]) and the borsh tag byte for every builder, covering the conditional/variable-account paths.Closes #4022. Part of RFC-26 (rfcs/rfc26-rust-instruction-builder-library.md).
PR stack (RFC-26 builder library)
Stacked PRs, merge in order (each is based on the previous one's branch):
R10 (commands/* migration + program-test) and RF (fixtures) follow as separate PRs.