<p><b>@sqrrm</b> commented on this pull request.</p>

<p>Some minor comments</p><hr>

<p>In <a href="https://github.com/bisq-network/bisq/pull/3169#discussion_r319722905">core/src/main/java/bisq/core/dispute/DisputeResolverService.java</a>:</p>
<pre style='color:#555'>> +            log.warn("bannedDisputeResolvers=" + bannedDisputeResolvers);
+        Set<T> disputeResolverSet = getCollect(bannedDisputeResolvers);
+
+        Map<NodeAddress, T> map = new HashMap<>();
+        for (T disputeResolver : disputeResolverSet) {
+            NodeAddress disputeResolverNodeAddress = disputeResolver.getNodeAddress();
+            if (!map.containsKey(disputeResolverNodeAddress))
+                map.put(disputeResolverNodeAddress, disputeResolver);
+            else
+                log.warn("disputeResolverAddress already exist in disputeResolver map. Seems an disputeResolver object is already registered with the same address.");
+        }
+        return map;
+    }
+
+    @NotNull
+    protected abstract Set<T> getCollect(List<String> bannedDisputeResolvers);
</pre>
<p><code>getCollect()</code> is not a great name, <code>getSet()</code> might be better</p>

<hr>

<p>In <a href="https://github.com/bisq-network/bisq/pull/3169#discussion_r319723168">desktop/src/main/java/bisq/desktop/main/account/register/DisputeResolverRegistrationView.java</a>:</p>
<pre style='color:#555'>> +        registerButton.disableProperty().bind(model.registrationEditDisabled);
+        registerButton.setOnAction(e -> onRegister());
+
+        Button revokeButton = buttonButtonTuple2.second;
+        revokeButton.setDefaultButton(false);
+        revokeButton.disableProperty().bind(model.revokeButtonDisabled);
+        revokeButton.setOnAction(e -> onRevoke());
+
+        final TitledGroupBg titledGroupBg = addTitledGroupBg(gridPane, ++gridRow, 2,
+                Res.get("shared.information"), Layout.GROUP_DISTANCE);
+
+        titledGroupBg.getStyleClass().add("last");
+
+        Label infoLabel = addMultilineLabel(gridPane, gridRow);
+        GridPane.setMargin(infoLabel, new Insets(Layout.TWICE_FIRST_ROW_AND_GROUP_DISTANCE, 0, 0, 0));
+        infoLabel.setText(Res.get("account.arbitratorRegistration.info.msg"));
</pre>
<p>This info text is not generic enough for both mediator and arbitrator</p>

<hr>

<p>In <a href="https://github.com/bisq-network/bisq/pull/3169#discussion_r319723233">core/src/main/java/bisq/core/dispute/DisputeResolverManager.java</a>:</p>
<pre style='color:#555'>>      }
 
 
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Abstract methods
     ///////////////////////////////////////////////////////////////////////////////////////////
 
+    protected abstract List<String> getPubLeyList();
</pre>
<p>Should be getPub<strong>K</strong>eyList</p>

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