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walletrpc: disallow locking with internal ID

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The internal lock ID that the wallet kit subserver uses to lock inputs
for itself shouldn't be allowed to be used when locking inputs manually
over the RPC.
This commit is contained in:
Oliver Gugger 2020-10-01 16:21:47 +02:00
parent 6229609be7
commit 9a063355e2
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GPG Key ID: 8E4256593F177720
1 changed files with 6 additions and 0 deletions
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6
lnrpc/walletrpc/walletkit_server.go
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@ -329,6 +329,12 @@ func (w *WalletKit) LeaseOutput(ctx context.Context,
return nil, errors.New("id must be 32 random bytes")
}
// Don't allow our internal ID to be used externally for locking. Only
// unlocking is allowed.
if lockID == LndInternalLockID {
return nil, errors.New("reserved id cannot be used")
}
op, err := unmarshallOutPoint(req.Outpoint)
if err != nil {
return nil, err