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Add XIP-31: Message History request system (#65)
* first pass * Update XIPs/xip-31-message-history.md Co-authored-by: J-Ha <[email protected]> * XIP-31 updates * Remove question from XIP-31 --------- Co-authored-by: Ry Racherbaumer <[email protected]> Co-authored-by: Ry Racherbaumer <[email protected]>
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sequenceDiagram | ||
Participant B as Backup Requester | ||
Participant S as Backup Storage Provider | ||
Participant N as XMTP Network | ||
Participant M as Message Backup Provider | ||
B->>N: Send a MessageHistoryBackupRequest to each potential Message Backup Provider | ||
M->>N: Check for MessageHistoryBackupRequest | ||
N-->>M: Receive MessageHistoryBackupRequest | ||
M->>S: Upload backup file | ||
M->>N: Send MessageHistoryBackupResponse | ||
B->>N: Check for MessageHistoryBackupResponse | ||
N-->>B: Receive response | ||
B->>S: Request file from URL in response | ||
S-->>B: Receive file | ||
B-->>B: Decrypt and load file into database |
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classDiagram | ||
class R["Backup Requester"]{ | ||
The new installation requesting missing messages | ||
Responsible for selecting a Backup Storage Provider and obtaining authorization | ||
Creates MessageHistoryBackupRequests | ||
Reads MessageHistoryBackupResponses | ||
} | ||
class M["Message Backup Provider"]{ | ||
An existing installation that has access to message history | ||
Reads MessageHistoryBackupRequests | ||
Creates MessageHistoryBackupResponses | ||
Uploads Message Backup Files to the pre-selected storage provider | ||
Responsible for generating one-time encryption keys | ||
} | ||
class S["Backup Storage Provider"]{ | ||
A cloud service with durable storage | ||
Stores encrypted backups for a few days | ||
Responsible for authenticating requests to reduce abuse | ||
} |
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