RFC: JIT account-access permission for ProductAccountId methods#15
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RFC: JIT account-access permission for ProductAccountId methods#15filvecchiato wants to merge 4 commits into
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The initial commit rewrote _index.md with a reformatted table and different entries. This commit restores it to match main so the PR only touches the RFC file itself. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
…RFC 0012 RemoteStatementStoreCreateProofError and HostPaymentTopUpError gain a Rejected variant so hosts can signal account-access denial on those methods. CallContext carries an optional caller_product_id (the calling product's DotNS identifier), enabling the same-domain optimization: hosts skip the permission prompt when the caller's domain matches the requested ProductAccountId. The RFC text now uses canonical type names from the truapi crate instead of ad hoc abbreviations.
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RFC: JIT Account-Access Permission for ProductAccountId Methods
Summary
Introduces a per-account just-in-time (JIT) permission check for all Host API methods that accept a
ProductAccountId, preventing cross-product identity leakage by requiring explicit user approval before granting access.Checklist
docs/rfcs/0012-account-access-permission.mdwith completed frontmatterrfc,proposalMotivation
Any product can currently call Host API methods with an arbitrary
ProductAccountId— including identifiers belonging to other products — without user awareness or consent. This RFC prevents cross-product identity leakage. Migrated from paritytech/triangle-js-sdks#136.