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Avoid offer_hash PaymentId collision #132

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tnull
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@tnull tnull commented Mar 8, 2024

Previously, we'd deterministically derive the offer_hash as a PaymentId for outbound BOLT 12 payments. However, as offers may be paid multiple times, this could result in collisions in our
outbound_payments store.

Here, we therefore use random PaymentIds to avoid collisions, even if offers are paid multiple times.

Previously, we'd deterministically derive the `offer_hash` as a
`PaymentId` for outbound BOLT 12 payments. However, as offers may be
paid multiple times, this could result in collisions in our
`outbound_payments` store.

Here, we therefore use random `PaymentId`s to avoid collisions, even if
offers are paid multiple times.
@tnull tnull merged commit 16bc6f4 into lightningdevkit:main Mar 9, 2024
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2 participants