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feat(vault): vault storage (user-isolated, multi-account)

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Ada
2026-02-01 15:22:32 -08:00
parent 50e78c84c9
commit 3ffcc60ee8
3 changed files with 9 additions and 5 deletions
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11
src/config/index.ts
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@@ -67,9 +67,9 @@ export const API_ENDPOINTS = {
// =============================================================================
// Vault storage (user-isolated, multi-account)
// =============================================================================
// - AsyncStorage keys for vault state (S0 share, initialized flag).
// - User-scoped: each account has its own keys so vault state is isolated.
// - Store: use getVaultStorageKeys(userId) and write to INITIALIZED / SHARE_DEVICE.
// - AsyncStorage keys for vault state (S0 share, initialized flag, mnemonic part backup).
// - User-scoped: each account has its own keys so vault/mnemonic state is isolated.
// - Store: use getVaultStorageKeys(userId) and write to INITIALIZED / SHARE_DEVICE / MNEMONIC_PART_LOCAL.
// - Clear: use same keys in multiRemove (e.g. MeScreen Reset Vault State).
// - Multi-account: same device, multiple users → each has independent vault (no cross-user leakage).
@@ -79,21 +79,24 @@ const VAULT_KEY_PREFIX = 'sentinel_vault';
export const VAULT_STORAGE_KEYS = {
INITIALIZED: 'sentinel_vault_initialized',
SHARE_DEVICE: 'sentinel_vault_s0',
MNEMONIC_PART_LOCAL: 'sentinel_mnemonic_part_local',
} as const;
/**
* Returns vault storage keys for the given user (user isolation).
* - Use for: reading S0, writing S0 after mnemonic, clearing on Reset Vault State.
* - Use for: reading/writing S0, mnemonic part backup, clearing on Reset Vault State.
* - userId null → guest namespace (_guest). userId set → per-user namespace (_u{userId}).
*/
export function getVaultStorageKeys(userId: number | string | null): {
INITIALIZED: string;
SHARE_DEVICE: string;
MNEMONIC_PART_LOCAL: string;
} {
const suffix = userId != null ? `_u${userId}` : '_guest';
return {
INITIALIZED: `${VAULT_KEY_PREFIX}_initialized${suffix}`,
SHARE_DEVICE: `${VAULT_KEY_PREFIX}_s0${suffix}`,
MNEMONIC_PART_LOCAL: `sentinel_mnemonic_part_local${suffix}`,
};
}