feat(solana): clear-sign v0 transactions with reusable instruction schemas - #351
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…hemas Solana signing moves from "confirm this blob" to describing the actual instructions, using schemas that are signed once and reused: - v0 (versioned) transactions and address-table lookups are parsed, and the instruction set is rendered per program: transfers, token transfers, memo bodies and offchain messages. - A schema describes a program's instruction layout (discriminator, argument types and labels) and carries a signature with no transaction hash bound to it, so one blob covers every call of that shape instead of needing a fresh signature per transaction. - x402 payment requests are clear-signed through the same path: the payment amount, asset and recipient are shown from schema-described fields rather than trusting host-supplied text. - Anything without a verified schema still reaches the raw-data screen. - unittests/firmware/solana.cpp covers v0 parsing, schema decode, argument rendering and the reject paths for malformed or unsigned schemas.
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Superseded by the smaller audit-ready 7.15 stack: #359 release foundation, #360 authenticated clear-signing, #361 recovery and entropy, #362 Zcash Orchard, #363 chain integrations, and #364 Bitcoin/release security. All release changes remain preserved in the replacement branches and preservation tags. The replacement aggregate was tree-verified against the prior release and passed the local CI-equivalent container suite (405 firmware, 2 board, 18 crypto, and 7 Pallas constant-time tests). GitHub-hosted checks have been explicitly dispatched and are currently queued. |
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7.15 review stack position 10/17.
This PR is intentionally one coherent commit, based on
feature/715-09-tron-ton, for individual auditing.The full stack is linear from the clean fork
developat 1af2ffe.Review scope: feat(solana): clear-sign v0 transactions with reusable instruction schemas.
The preserved pre-restage candidate remains available at
preserve/alpha-2026-08-05.