[bisq-network/bisq] Provide ASIC resistant PoW scheme for BSQ swaps (PR #5858)

[Steven Barclay]

@stejbac commented on this pull request.



> @@ -493,13 +494,23 @@ public boolean isProofOfWorkValid(Offer offer) {
         }
         checkArgument(offer.getBsqSwapOfferPayload().isPresent(),
                 "Offer payload must be BsqSwapOfferPayload");
-        return HashCashService.verify(offer.getBsqSwapOfferPayload().get().getProofOfWork(),
-                HashCashService.getBytes(offer.getId() + offer.getOwnerNodeAddress().toString()),
+        ProofOfWork pow = offer.getBsqSwapOfferPayload().get().getProofOfWork();
+        var service = ProofOfWorkService.forVersion(pow.getVersion());
+        if (!service.isPresent() || !getEnabledPowVersions().contains(pow.getVersion())) {
+            return false;
+        }
+        return service.get().verify(offer.getBsqSwapOfferPayload().get().getProofOfWork(),

Yes, sorry I missed that.

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