feat(solana): emergency halt switch#482
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Halt gates exactly the three entrypoints ink! gated: post_collateral, vote_activate, and open_or_request (the reservation-creation entry, mirroring vote_reserve). resolve_pool is left ungated so pools opened before a halt can still settle. Adds Config.halted, SystemHalted error, admin set_halted + HaltSet event; bumps CONFIG_VERSION to 5.
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Ports the ink!
set_haltedemergency halt into the Solana contract, faithfully and surgically.Scan
Every halt touchpoint in the ink! contract was enumerated. Halt gated exactly 3 mutating entrypoints:
post_collateral,vote_reserve,vote_activate.Mapping
post_collateralpost_collateral✅vote_activatevote_activate✅vote_reserveopen_or_request(the reservation-creation entry) ✅resolve_poolis not gated — pools opened before a halt can still settle, mirroring ink! blocking only new reserve votes, not in-flight completion.vote_initiate/confirm/timeout/vote_deactivate/withdraware not gated, matching ink!.Changes
Config.haltedfield +halted=falseatinitializeSystemHaltederrorset_haltedinstruction +HaltSeteventrequire!(!config.halted, SystemHalted)on the 3 entrypointsCONFIG_VERSION4 → 5Library type-checks clean. (Integration tests embed the built
.soviainclude_bytes!, so they requireanchor buildto run.)