fix: support alerts confirmation page without pending transactions (#18983)

coverage-targets.js

@@ -6,10 +6,10 @@
 // subset of files to check against these targets.
 module.exports = {
   global: {
-    lines: 70.26,
+    lines: 71.12,
-    branches: 57.91,
+    branches: 58.94,
-    statements: 69.59,
+    statements: 70.58,
-    functions: 62.97,
+    functions: 63.84,
   },
   transforms: {
     branches: 100,

ui/pages/confirmation/confirmation.js

@@ -91,10 +91,12 @@ const alertStateReducer = produce((state, action) => {
  *
  * @param {object} pendingConfirmation - a pending confirmation waiting for
  * user approval
+ * @param {object} state - The state object consist of required info to determine alerts.
+ * @param state.unapprovedTxsCount
  * @returns {[alertState: object, dismissAlert: Function]} A tuple with
  * the current alert state and function to dismiss an alert by id
  */
-function useAlertState(pendingConfirmation) {
+function useAlertState(pendingConfirmation, { unapprovedTxsCount } = {}) {
   const [alertState, dispatch] = useReducer(alertStateReducer, {});
 
   /**
@@ -108,20 +110,22 @@ function useAlertState(pendingConfirmation) {
   useEffect(() => {
     let isMounted = true;
     if (pendingConfirmation) {
-      getTemplateAlerts(pendingConfirmation).then((alerts) => {
+      getTemplateAlerts(pendingConfirmation, { unapprovedTxsCount }).then(
-        if (isMounted && alerts.length > 0) {
+        (alerts) => {
-          dispatch({
+          if (isMounted && alerts.length > 0) {
-            type: 'set',
+            dispatch({
-            confirmationId: pendingConfirmation.id,
+              type: 'set',
-            alerts,
+              confirmationId: pendingConfirmation.id,
-          });
+              alerts,
-        }
+            });
-      });
+          }
+        },
+      );
     }
     return () => {
       isMounted = false;
     };
-  }, [pendingConfirmation]);
+  }, [pendingConfirmation, unapprovedTxsCount]);
 
   const dismissAlert = useCallback(
     (alertId) => {
@@ -169,14 +173,16 @@ export default function ConfirmationPage({
     getUnapprovedTemplatedConfirmations,
     isEqual,
   );
+  const unapprovedTxsCount = useSelector(getUnapprovedTxCount);
   const [currentPendingConfirmation, setCurrentPendingConfirmation] =
     useState(0);
   const pendingConfirmation = pendingConfirmations[currentPendingConfirmation];
   const originMetadata = useOriginMetadata(pendingConfirmation?.origin) || {};
-  const [alertState, dismissAlert] = useAlertState(pendingConfirmation);
+  const [alertState, dismissAlert] = useAlertState(pendingConfirmation, {
+    unapprovedTxsCount,
+  });
   const [templateState] = useTemplateState(pendingConfirmation);
   const [showWarningModal, setShowWarningModal] = useState(false);
-  const unnaprovedTxsCount = useSelector(getUnapprovedTxCount);
 
   const [inputStates, setInputStates] = useState({});
   const setInputState = (key, value) => {
@@ -385,7 +391,6 @@ export default function ConfirmationPage({
       <ConfirmationFooter
         alerts={
           alertState[pendingConfirmation.id] &&
-          unnaprovedTxsCount > 0 &&
           Object.values(alertState[pendingConfirmation.id])
             .filter((alert) => alert.dismissed === false)
             .map((alert, idx, filtered) => (

ui/pages/confirmation/templates/__snapshots__/add-ethereum-chain.test.js.snap

@@ -0,0 +1,489 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`add-ethereum-chain confirmation should match snapshot 1`] = `
+<div>
+  <div
+    class="confirmation-page"
+  >
+    <div
+      class="confirmation-page__content"
+    >
+      <div
+        class="box box--margin-top-2 box--flex-direction-row box--justify-content-center box--display-flex"
+      >
+        <div
+          class="network-display chip chip--with-left-icon chip--border-color-border-muted chip--background-color-undefined chip--max-content"
+          data-testid="network-display"
+        >
+          <div
+            class="chip__left-icon"
+          >
+            <span
+              class="loading-indicator"
+            >
+              <img
+                alt="Attempting to connect to blockchain."
+                class="loading-indicator__spinner"
+                src="images/loading.svg"
+                title="Attempting to connect to blockchain."
+              />
+            </span>
+          </div>
+          <span
+            class="box box--margin-top-1 box--margin-bottom-1 box--flex-direction-row typography chip__label typography--h7 typography--weight-normal typography--style-normal typography--color-text-default"
+          >
+            Test initial state
+          </span>
+        </div>
+      </div>
+      <h3
+        class="box box--md:margin-4 box--margin-top-1 box--margin-bottom-1 box--flex-direction-row typography typography--h3 typography--weight-bold typography--style-normal typography--align-center typography--color-text-default"
+      >
+        Allow this site to add a network?
+      </h3>
+      <h6
+        class="box box--md:margin-4 box--margin-top-1 box--margin-bottom-1 box--flex-direction-row typography typography--h7 typography--weight-normal typography--style-normal typography--align-center typography--color-text-default"
+      >
+        This will allow this network to be used within MetaMask.
+      </h6>
+      <h6
+        class="box box--margin-top-1 box--margin-bottom-1 box--display-flex box--flex-direction-column box--align-items-center typography typography--h7 typography--weight-normal typography--style-normal typography--color-text-default"
+      >
+        <b>
+          MetaMask does not verify custom networks. 
+        </b>
+        <span>
+           
+          Learn about 
+          <a
+            href="https://metamask.zendesk.com/hc/en-us/articles/4404424659995"
+            target="__blank"
+          >
+            scams and network security risks
+          </a>
+          .
+           
+        </span>
+      </h6>
+      <div
+        class="box box--margin-6 box--padding-4 box--padding-bottom-3 box--flex-direction-row box--rounded-lg box--border-color-border-muted box--border-style-solid box--border-width-1"
+      >
+        <dl
+          class="definition-list"
+        >
+          <dt
+            class="box box--margin-bottom-1 box--flex-direction-row typography definition-list__term typography--h6 typography--weight-bold typography--style-normal typography--color-text-default"
+          >
+            Network name
+            <div>
+              <div
+                aria-describedby="tippy-tooltip-1"
+                class="definition-list__tooltip-wrapper"
+                data-original-title="The name associated with this network."
+                data-tooltipped=""
+                style="display: inline;"
+                tabindex="0"
+              >
+                <span
+                  class="box mm-icon mm-icon--size-sm box--margin-left-1 box--display-inline-block box--flex-direction-row box--color-icon-default"
+                  style="mask-image: url('./images/icons/info.svg');"
+                />
+              </div>
+            </div>
+          </dt>
+          <dd
+            class="box box--margin-bottom-2 box--flex-direction-row typography definition-list__definition typography--h6 typography--weight-normal typography--style-normal typography--color-text-alternative typography--overflowwrap-break-word"
+          >
+            Test chain
+          </dd>
+          <dt
+            class="box box--margin-bottom-1 box--flex-direction-row typography definition-list__term typography--h6 typography--weight-bold typography--style-normal typography--color-text-default"
+          >
+            Network URL
+            <div>
+              <div
+                aria-describedby="tippy-tooltip-2"
+                class="definition-list__tooltip-wrapper"
+                data-original-title="The URL used to access this network."
+                data-tooltipped=""
+                style="display: inline;"
+                tabindex="0"
+              >
+                <span
+                  class="box mm-icon mm-icon--size-sm box--margin-left-1 box--display-inline-block box--flex-direction-row box--color-icon-default"
+                  style="mask-image: url('./images/icons/info.svg');"
+                />
+              </div>
+            </div>
+          </dt>
+          <dd
+            class="box box--margin-bottom-2 box--flex-direction-row typography definition-list__definition typography--h6 typography--weight-normal typography--style-normal typography--color-text-alternative typography--overflowwrap-break-word"
+          >
+            https://rpcurl.test.chain
+          </dd>
+          <dt
+            class="box box--margin-bottom-1 box--flex-direction-row typography definition-list__term typography--h6 typography--weight-bold typography--style-normal typography--color-text-default"
+          >
+            Chain ID
+            <div>
+              <div
+                aria-describedby="tippy-tooltip-3"
+                class="definition-list__tooltip-wrapper"
+                data-original-title="The chain ID used to sign transactions for this network."
+                data-tooltipped=""
+                style="display: inline;"
+                tabindex="0"
+              >
+                <span
+                  class="box mm-icon mm-icon--size-sm box--margin-left-1 box--display-inline-block box--flex-direction-row box--color-icon-default"
+                  style="mask-image: url('./images/icons/info.svg');"
+                />
+              </div>
+            </div>
+          </dt>
+          <dd
+            class="box box--margin-bottom-2 box--flex-direction-row typography definition-list__definition typography--h6 typography--weight-normal typography--style-normal typography--color-text-alternative typography--overflowwrap-break-word"
+          >
+            39321
+          </dd>
+          <dt
+            class="box box--margin-bottom-1 box--flex-direction-row typography definition-list__term typography--h6 typography--weight-bold typography--style-normal typography--color-text-default"
+          >
+            Currency symbol
+            <div>
+              <div
+                aria-describedby="tippy-tooltip-4"
+                class="definition-list__tooltip-wrapper"
+                data-original-title="The ticker symbol displayed for this network’s currency."
+                data-tooltipped=""
+                style="display: inline;"
+                tabindex="0"
+              >
+                <span
+                  class="box mm-icon mm-icon--size-sm box--margin-left-1 box--display-inline-block box--flex-direction-row box--color-icon-default"
+                  style="mask-image: url('./images/icons/info.svg');"
+                />
+              </div>
+            </div>
+          </dt>
+          <dd
+            class="box box--margin-bottom-2 box--flex-direction-row typography definition-list__definition typography--h6 typography--weight-normal typography--style-normal typography--color-text-alternative typography--overflowwrap-break-word"
+          >
+            TST
+          </dd>
+        </dl>
+        <a
+          class="button btn-link truncated-definition-list__view-more"
+          role="button"
+          tabindex="0"
+        >
+          View all details
+        </a>
+      </div>
+    </div>
+    <div
+      class="confirmation-footer"
+    >
+      <div
+        class="confirmation-footer__actions"
+      >
+        <button
+          class="button btn--rounded btn-secondary"
+          role="button"
+          tabindex="0"
+        >
+          Cancel
+        </button>
+        <button
+          class="button btn--rounded btn-primary"
+          role="button"
+          tabindex="0"
+        >
+          Approve
+        </button>
+      </div>
+    </div>
+  </div>
+</div>
+`;
+
+exports[`add-ethereum-chain confirmation should match snapshot 2`] = `
+<div>
+  <div
+    class="confirmation-page"
+  >
+    <div
+      class="confirmation-page__content"
+    >
+      <div
+        class="box box--margin-top-2 box--flex-direction-row box--justify-content-center box--display-flex"
+      >
+        <div
+          class="network-display chip chip--with-left-icon chip--border-color-border-muted chip--background-color-undefined chip--max-content"
+          data-testid="network-display"
+        >
+          <div
+            class="chip__left-icon"
+          >
+            <span
+              class="loading-indicator"
+            >
+              <img
+                alt="Attempting to connect to blockchain."
+                class="loading-indicator__spinner"
+                src="images/loading.svg"
+                title="Attempting to connect to blockchain."
+              />
+            </span>
+          </div>
+          <span
+            class="box box--margin-top-1 box--margin-bottom-1 box--flex-direction-row typography chip__label typography--h7 typography--weight-normal typography--style-normal typography--color-text-default"
+          >
+            Test initial state
+          </span>
+        </div>
+      </div>
+      <h3
+        class="box box--md:margin-4 box--margin-top-1 box--margin-bottom-1 box--flex-direction-row typography typography--h3 typography--weight-bold typography--style-normal typography--align-center typography--color-text-default"
+      >
+        Allow this site to add a network?
+      </h3>
+      <h6
+        class="box box--md:margin-4 box--margin-top-1 box--margin-bottom-1 box--flex-direction-row typography typography--h7 typography--weight-normal typography--style-normal typography--align-center typography--color-text-default"
+      >
+        This will allow this network to be used within MetaMask.
+      </h6>
+      <h6
+        class="box box--margin-top-1 box--margin-bottom-1 box--display-flex box--flex-direction-column box--align-items-center typography typography--h7 typography--weight-normal typography--style-normal typography--color-text-default"
+      >
+        <b>
+          MetaMask does not verify custom networks. 
+        </b>
+        <span>
+           
+          Learn about 
+          <a
+            href="https://metamask.zendesk.com/hc/en-us/articles/4404424659995"
+            target="__blank"
+          >
+            scams and network security risks
+          </a>
+          .
+           
+        </span>
+      </h6>
+      <div
+        class="box box--margin-6 box--padding-4 box--padding-bottom-3 box--flex-direction-row box--rounded-lg box--border-color-border-muted box--border-style-solid box--border-width-1"
+      >
+        <dl
+          class="definition-list"
+        >
+          <dt
+            class="box box--margin-bottom-1 box--flex-direction-row typography definition-list__term typography--h6 typography--weight-bold typography--style-normal typography--color-text-default"
+          >
+            Network name
+            <div>
+              <div
+                aria-describedby="tippy-tooltip-1"
+                class="definition-list__tooltip-wrapper"
+                data-original-title="The name associated with this network."
+                data-tooltipped=""
+                style="display: inline;"
+                tabindex="0"
+              >
+                <span
+                  class="box mm-icon mm-icon--size-sm box--margin-left-1 box--display-inline-block box--flex-direction-row box--color-icon-default"
+                  style="mask-image: url('./images/icons/info.svg');"
+                />
+              </div>
+            </div>
+          </dt>
+          <dd
+            class="box box--margin-bottom-2 box--flex-direction-row typography definition-list__definition typography--h6 typography--weight-normal typography--style-normal typography--color-text-alternative typography--overflowwrap-break-word"
+          >
+            Test chain
+          </dd>
+          <dt
+            class="box box--margin-bottom-1 box--flex-direction-row typography definition-list__term typography--h6 typography--weight-bold typography--style-normal typography--color-text-default"
+          >
+            Network URL
+            <div>
+              <div
+                aria-describedby="tippy-tooltip-2"
+                class="definition-list__tooltip-wrapper"
+                data-original-title="The URL used to access this network."
+                data-tooltipped=""
+                style="display: inline;"
+                tabindex="0"
+              >
+                <span
+                  class="box mm-icon mm-icon--size-sm box--margin-left-1 box--display-inline-block box--flex-direction-row box--color-icon-default"
+                  style="mask-image: url('./images/icons/info.svg');"
+                />
+              </div>
+            </div>
+          </dt>
+          <dd
+            class="box box--margin-bottom-2 box--flex-direction-row typography definition-list__definition typography--h6 typography--weight-normal typography--style-normal typography--color-text-alternative typography--overflowwrap-break-word"
+          >
+            https://rpcurl.test.chain
+          </dd>
+          <dt
+            class="box box--margin-bottom-1 box--flex-direction-row typography definition-list__term typography--h6 typography--weight-bold typography--style-normal typography--color-text-default"
+          >
+            Chain ID
+            <div>
+              <div
+                aria-describedby="tippy-tooltip-3"
+                class="definition-list__tooltip-wrapper"
+                data-original-title="The chain ID used to sign transactions for this network."
+                data-tooltipped=""
+                style="display: inline;"
+                tabindex="0"
+              >
+                <span
+                  class="box mm-icon mm-icon--size-sm box--margin-left-1 box--display-inline-block box--flex-direction-row box--color-icon-default"
+                  style="mask-image: url('./images/icons/info.svg');"
+                />
+              </div>
+            </div>
+          </dt>
+          <dd
+            class="box box--margin-bottom-2 box--flex-direction-row typography definition-list__definition typography--h6 typography--weight-normal typography--style-normal typography--color-text-alternative typography--overflowwrap-break-word"
+          >
+            39321
+          </dd>
+          <dt
+            class="box box--margin-bottom-1 box--flex-direction-row typography definition-list__term typography--h6 typography--weight-bold typography--style-normal typography--color-text-default"
+          >
+            Currency symbol
+            <div>
+              <div
+                aria-describedby="tippy-tooltip-4"
+                class="definition-list__tooltip-wrapper"
+                data-original-title="The ticker symbol displayed for this network’s currency."
+                data-tooltipped=""
+                style="display: inline;"
+                tabindex="0"
+              >
+                <span
+                  class="box mm-icon mm-icon--size-sm box--margin-left-1 box--display-inline-block box--flex-direction-row box--color-icon-default"
+                  style="mask-image: url('./images/icons/info.svg');"
+                />
+              </div>
+            </div>
+          </dt>
+          <dd
+            class="box box--margin-bottom-2 box--flex-direction-row typography definition-list__definition typography--h6 typography--weight-normal typography--style-normal typography--color-text-alternative typography--overflowwrap-break-word"
+          >
+            TST
+          </dd>
+        </dl>
+        <a
+          class="button btn-link truncated-definition-list__view-more"
+          role="button"
+          tabindex="0"
+        >
+          View all details
+        </a>
+      </div>
+    </div>
+    <div
+      class="confirmation-footer"
+    >
+      <div
+        class="callout callout--warning callout--multiple callout--dismissible callout--first"
+      >
+        <svg
+          class="info-icon info-icon--warning"
+          fill="none"
+          height="16"
+          viewBox="0 0 16 16"
+          width="16"
+          xmlns="http://www.w3.org/2000/svg"
+        >
+          <path
+            d="M15.75 8C15.75 3.75 12.25 0.25 8 0.25C3.71875 0.25 0.25 3.75 0.25 8C0.25 12.2812 3.71875 15.75 8 15.75C12.25 15.75 15.75 12.2812 15.75 8ZM8 9.5625C8.78125 9.5625 9.4375 10.2188 9.4375 11C9.4375 11.8125 8.78125 12.4375 8 12.4375C7.1875 12.4375 6.5625 11.8125 6.5625 11C6.5625 10.2188 7.1875 9.5625 8 9.5625ZM6.625 4.40625C6.59375 4.1875 6.78125 4 7 4H8.96875C9.1875 4 9.375 4.1875 9.34375 4.40625L9.125 8.65625C9.09375 8.875 8.9375 9 8.75 9H7.21875C7.03125 9 6.875 8.875 6.84375 8.65625L6.625 4.40625Z"
+          />
+        </svg>
+        <p
+          class="box box--margin-top-1 box--margin-bottom-1 box--flex-direction-row typography callout__content typography--p typography--weight-normal typography--style-normal typography--color-text-default"
+        >
+          <span>
+            This custom network is not recognized
+          </span>
+        </p>
+        <button
+          class="box mm-button-icon mm-button-icon--size-sm callout__close-button box--display-inline-flex box--flex-direction-row box--justify-content-center box--align-items-center box--color-icon-default box--background-color-transparent box--rounded-lg"
+        >
+          <span
+            class="box mm-icon mm-icon--size-sm box--display-inline-block box--flex-direction-row box--color-inherit"
+            style="mask-image: url('./images/icons/close.svg');"
+          />
+        </button>
+      </div>
+      <div
+        class="callout callout--warning callout--multiple callout--dismissible callout--last"
+      >
+        <svg
+          class="info-icon info-icon--warning"
+          fill="none"
+          height="16"
+          viewBox="0 0 16 16"
+          width="16"
+          xmlns="http://www.w3.org/2000/svg"
+        >
+          <path
+            d="M15.75 8C15.75 3.75 12.25 0.25 8 0.25C3.71875 0.25 0.25 3.75 0.25 8C0.25 12.2812 3.71875 15.75 8 15.75C12.25 15.75 15.75 12.2812 15.75 8ZM8 9.5625C8.78125 9.5625 9.4375 10.2188 9.4375 11C9.4375 11.8125 8.78125 12.4375 8 12.4375C7.1875 12.4375 6.5625 11.8125 6.5625 11C6.5625 10.2188 7.1875 9.5625 8 9.5625ZM6.625 4.40625C6.59375 4.1875 6.78125 4 7 4H8.96875C9.1875 4 9.375 4.1875 9.34375 4.40625L9.125 8.65625C9.09375 8.875 8.9375 9 8.75 9H7.21875C7.03125 9 6.875 8.875 6.84375 8.65625L6.625 4.40625Z"
+          />
+        </svg>
+        <p
+          class="box box--margin-top-1 box--margin-bottom-1 box--flex-direction-row typography callout__content typography--p typography--weight-normal typography--style-normal typography--color-text-default"
+        >
+          <span>
+            <span>
+               
+              We recommend that you 
+              <a
+                href="https://metamask.zendesk.com/hc/en-us/articles/360057142392"
+                tabindex="0"
+                target="__blank"
+              >
+                verify the network details
+              </a>
+               before proceeding.
+               
+            </span>
+          </span>
+        </p>
+        <button
+          class="box mm-button-icon mm-button-icon--size-sm callout__close-button box--display-inline-flex box--flex-direction-row box--justify-content-center box--align-items-center box--color-icon-default box--background-color-transparent box--rounded-lg"
+        >
+          <span
+            class="box mm-icon mm-icon--size-sm box--display-inline-block box--flex-direction-row box--color-inherit"
+            style="mask-image: url('./images/icons/close.svg');"
+          />
+        </button>
+      </div>
+      <div
+        class="confirmation-footer__actions"
+      >
+        <button
+          class="button btn--rounded btn-secondary"
+          role="button"
+          tabindex="0"
+        >
+          Cancel
+        </button>
+        <button
+          class="button btn--rounded btn-primary"
+          role="button"
+          tabindex="0"
+        >
+          Approve
+        </button>
+      </div>
+    </div>
+  </div>
+</div>
+`;

ui/pages/confirmation/templates/__snapshots__/switch-ethereum-chain.test.js.snap

@@ -0,0 +1,280 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`switch-ethereum-chain confirmation should match snapshot 1`] = `
+<div>
+  <div
+    class="confirmation-page"
+  >
+    <div
+      class="confirmation-page__content"
+    >
+      <div
+        class="box box--margin-top-2 box--flex-direction-row box--justify-content-center box--display-flex"
+      >
+        <div
+          class="network-display chip chip--with-left-icon chip--border-color-border-muted chip--background-color-undefined chip--max-content"
+          data-testid="network-display"
+        >
+          <div
+            class="chip__left-icon"
+          >
+            <span
+              class="loading-indicator"
+            >
+              <img
+                alt="Attempting to connect to blockchain."
+                class="loading-indicator__spinner"
+                src="images/loading.svg"
+                title="Attempting to connect to blockchain."
+              />
+            </span>
+          </div>
+          <span
+            class="box box--margin-top-1 box--margin-bottom-1 box--flex-direction-row typography chip__label typography--h7 typography--weight-normal typography--style-normal typography--color-text-default"
+          >
+            Test initial state
+          </span>
+        </div>
+      </div>
+      <h3
+        class="box box--md:margin-2 box--margin-top-1 box--margin-bottom-1 box--sm:padding-4 box--lg:padding-4 box--flex-direction-row typography typography--h3 typography--weight-normal typography--style-normal typography--align-center typography--color-text-default"
+      >
+        Allow this site to switch the network?
+      </h3>
+      <h6
+        class="box box--margin-top-1 box--margin-bottom-1 box--sm:padding-4 box--lg:padding-4 box--flex-direction-row typography typography--h7 typography--weight-normal typography--style-normal typography--align-center typography--color-text-alternative"
+      >
+        This will switch the selected network within MetaMask to a previously added network:
+      </h6>
+      <div
+        class="box box--flex-direction-row box--justify-content-center box--display-flex"
+      >
+        <div
+          class="box confirmation-network-switch box--margin-top-8 box--display-flex box--flex-direction-row box--justify-content-center box--height-full"
+        >
+          <div
+            class="box confirmation-network-switch__icon box--display-block box--flex-direction-row"
+          >
+            <div
+              class="confirmation-network-switch__unknown-icon"
+            >
+              <i
+                class="fa fa-question fa-2x"
+              />
+            </div>
+            <h6
+              class="box box--margin-top-1 box--margin-bottom-1 box--display-flex box--flex-direction-row box--justify-content-center typography typography--h6 typography--weight-normal typography--style-normal typography--align-center typography--color-text-default"
+            >
+              Test initial state
+            </h6>
+          </div>
+          <div
+            class="box confirmation-network-switch__center-icon box--display-flex box--flex-direction-row box--justify-content-center box--align-items-center"
+          >
+            <i
+              class="fa fa-angle-right fa-lg confirmation-network-switch__check"
+            />
+            <div
+              class="confirmation-network-switch__dashed-line"
+            />
+          </div>
+          <div
+            class="box confirmation-network-switch__icon box--display-block box--flex-direction-row"
+          >
+            <div
+              class="confirmation-network-switch__unknown-icon"
+            >
+              <i
+                class="fa fa-question fa-2x"
+              />
+            </div>
+            <h6
+              class="box box--margin-top-1 box--margin-bottom-1 box--display-flex box--flex-direction-row box--justify-content-center typography typography--h6 typography--weight-normal typography--style-normal typography--align-center typography--color-text-default"
+            >
+              Test chain
+            </h6>
+          </div>
+        </div>
+      </div>
+    </div>
+    <div
+      class="confirmation-footer"
+    >
+      <div
+        class="confirmation-footer__actions"
+      >
+        <button
+          class="button btn--rounded btn-secondary"
+          role="button"
+          tabindex="0"
+        >
+          Cancel
+        </button>
+        <button
+          class="button btn--rounded btn-primary"
+          role="button"
+          tabindex="0"
+        >
+          Switch network
+        </button>
+      </div>
+    </div>
+  </div>
+</div>
+`;
+
+exports[`switch-ethereum-chain confirmation should match snapshot 2`] = `<div />`;
+
+exports[`switch-ethereum-chain confirmation should show alert if there are pending txs 1`] = `
+<div>
+  <div
+    class="confirmation-page"
+  >
+    <div
+      class="confirmation-page__content"
+    >
+      <div
+        class="box box--margin-top-2 box--flex-direction-row box--justify-content-center box--display-flex"
+      >
+        <div
+          class="network-display chip chip--with-left-icon chip--border-color-border-muted chip--background-color-undefined chip--max-content"
+          data-testid="network-display"
+        >
+          <div
+            class="chip__left-icon"
+          >
+            <span
+              class="loading-indicator"
+            >
+              <img
+                alt="Attempting to connect to blockchain."
+                class="loading-indicator__spinner"
+                src="images/loading.svg"
+                title="Attempting to connect to blockchain."
+              />
+            </span>
+          </div>
+          <span
+            class="box box--margin-top-1 box--margin-bottom-1 box--flex-direction-row typography chip__label typography--h7 typography--weight-normal typography--style-normal typography--color-text-default"
+          >
+            Test initial state
+          </span>
+        </div>
+      </div>
+      <h3
+        class="box box--md:margin-2 box--margin-top-1 box--margin-bottom-1 box--sm:padding-4 box--lg:padding-4 box--flex-direction-row typography typography--h3 typography--weight-normal typography--style-normal typography--align-center typography--color-text-default"
+      >
+        Allow this site to switch the network?
+      </h3>
+      <h6
+        class="box box--margin-top-1 box--margin-bottom-1 box--sm:padding-4 box--lg:padding-4 box--flex-direction-row typography typography--h7 typography--weight-normal typography--style-normal typography--align-center typography--color-text-alternative"
+      >
+        This will switch the selected network within MetaMask to a previously added network:
+      </h6>
+      <div
+        class="box box--flex-direction-row box--justify-content-center box--display-flex"
+      >
+        <div
+          class="box confirmation-network-switch box--margin-top-8 box--display-flex box--flex-direction-row box--justify-content-center box--height-full"
+        >
+          <div
+            class="box confirmation-network-switch__icon box--display-block box--flex-direction-row"
+          >
+            <div
+              class="confirmation-network-switch__unknown-icon"
+            >
+              <i
+                class="fa fa-question fa-2x"
+              />
+            </div>
+            <h6
+              class="box box--margin-top-1 box--margin-bottom-1 box--display-flex box--flex-direction-row box--justify-content-center typography typography--h6 typography--weight-normal typography--style-normal typography--align-center typography--color-text-default"
+            >
+              Test initial state
+            </h6>
+          </div>
+          <div
+            class="box confirmation-network-switch__center-icon box--display-flex box--flex-direction-row box--justify-content-center box--align-items-center"
+          >
+            <i
+              class="fa fa-angle-right fa-lg confirmation-network-switch__check"
+            />
+            <div
+              class="confirmation-network-switch__dashed-line"
+            />
+          </div>
+          <div
+            class="box confirmation-network-switch__icon box--display-block box--flex-direction-row"
+          >
+            <div
+              class="confirmation-network-switch__unknown-icon"
+            >
+              <i
+                class="fa fa-question fa-2x"
+              />
+            </div>
+            <h6
+              class="box box--margin-top-1 box--margin-bottom-1 box--display-flex box--flex-direction-row box--justify-content-center typography typography--h6 typography--weight-normal typography--style-normal typography--align-center typography--color-text-default"
+            >
+              Test chain
+            </h6>
+          </div>
+        </div>
+      </div>
+    </div>
+    <div
+      class="confirmation-footer"
+    >
+      <div
+        class="callout callout--warning callout--dismissible callout--first callout--last"
+      >
+        <svg
+          class="info-icon info-icon--warning"
+          fill="none"
+          height="16"
+          viewBox="0 0 16 16"
+          width="16"
+          xmlns="http://www.w3.org/2000/svg"
+        >
+          <path
+            d="M15.75 8C15.75 3.75 12.25 0.25 8 0.25C3.71875 0.25 0.25 3.75 0.25 8C0.25 12.2812 3.71875 15.75 8 15.75C12.25 15.75 15.75 12.2812 15.75 8ZM8 9.5625C8.78125 9.5625 9.4375 10.2188 9.4375 11C9.4375 11.8125 8.78125 12.4375 8 12.4375C7.1875 12.4375 6.5625 11.8125 6.5625 11C6.5625 10.2188 7.1875 9.5625 8 9.5625ZM6.625 4.40625C6.59375 4.1875 6.78125 4 7 4H8.96875C9.1875 4 9.375 4.1875 9.34375 4.40625L9.125 8.65625C9.09375 8.875 8.9375 9 8.75 9H7.21875C7.03125 9 6.875 8.875 6.84375 8.65625L6.625 4.40625Z"
+          />
+        </svg>
+        <p
+          class="box box--margin-top-1 box--margin-bottom-1 box--flex-direction-row typography callout__content typography--p typography--weight-normal typography--style-normal typography--color-text-default"
+        >
+          <span>
+            Switching networks will cancel all pending confirmations
+          </span>
+        </p>
+        <button
+          class="box mm-button-icon mm-button-icon--size-sm callout__close-button box--display-inline-flex box--flex-direction-row box--justify-content-center box--align-items-center box--color-icon-default box--background-color-transparent box--rounded-lg"
+        >
+          <span
+            class="box mm-icon mm-icon--size-sm box--display-inline-block box--flex-direction-row box--color-inherit"
+            style="mask-image: url('./images/icons/close.svg');"
+          />
+        </button>
+      </div>
+      <div
+        class="confirmation-footer__actions"
+      >
+        <button
+          class="button btn--rounded btn-secondary"
+          role="button"
+          tabindex="0"
+        >
+          Cancel
+        </button>
+        <button
+          class="button btn--rounded btn-primary"
+          role="button"
+          tabindex="0"
+        >
+          Switch network
+        </button>
+      </div>
+    </div>
+  </div>
+</div>
+`;

ui/pages/confirmation/templates/add-ethereum-chain.js

@@ -32,6 +32,7 @@ const UNRECOGNIZED_CHAIN = {
 
 const MISMATCHED_CHAIN_RECOMMENDATION = {
   id: 'MISMATCHED_CHAIN_RECOMMENDATION',
+  severity: SEVERITIES.WARNING,
   content: {
     element: 'span',
     children: {

ui/pages/confirmation/templates/add-ethereum-chain.test.js

@@ -0,0 +1,72 @@
+import React from 'react';
+import configureMockStore from 'redux-mock-store';
+import thunk from 'redux-thunk';
+import { waitFor } from '@testing-library/react';
+
+import { renderWithProvider } from '../../../../test/lib/render-helpers';
+import { MESSAGE_TYPE } from '../../../../shared/constants/app';
+
+import Confirmation from '../confirmation';
+
+jest.mock('../../../../shared/lib/fetch-with-cache');
+
+const middleware = [thunk];
+
+const mockApprovalId = 1;
+const mockApproval = {
+  id: mockApprovalId,
+  origin: 'https://test-dapp.metamask.io',
+  requestData: {
+    rpcUrl: 'https://rpcurl.test.chain',
+    rpcPrefs: {
+      blockExplorerUrl: 'https://blockexplorer.test.chain',
+    },
+    chainName: 'Test chain',
+    ticker: 'TST',
+    chainId: '0x9999',
+    nickname: 'Test chain',
+  },
+};
+
+const mockBaseStore = {
+  metamask: {
+    pendingApprovals: {
+      [mockApprovalId]: mockApproval,
+    },
+    subjectMetadata: {},
+    providerConfig: {
+      type: 'rpc',
+      rpcUrl: 'http://example-custom-rpc.metamask.io',
+      chainId: '0x9999',
+      nickname: 'Test initial state',
+    },
+  },
+};
+
+describe('add-ethereum-chain confirmation', () => {
+  it('should match snapshot', async () => {
+    const testStore = {
+      metamask: {
+        ...mockBaseStore.metamask,
+        pendingApprovals: {
+          [mockApprovalId]: {
+            ...mockApproval,
+            type: MESSAGE_TYPE.ADD_ETHEREUM_CHAIN,
+          },
+        },
+      },
+    };
+    const store = configureMockStore(middleware)(testStore);
+    const { container, getByText } = renderWithProvider(
+      <Confirmation />,
+      store,
+    );
+    await waitFor(() => {
+      expect(
+        getByText('MetaMask does not verify custom networks.'),
+      ).toBeInTheDocument();
+      expect(container.querySelector('.callout')).toBeDefined();
+      expect(container).toMatchSnapshot();
+    });
+  });
+});

ui/pages/confirmation/templates/index.js

@@ -53,10 +53,11 @@ const ALLOWED_TEMPLATE_KEYS = [
  * alertState state object.
  *
  * @param {object} pendingApproval - the object representing the confirmation
+ * @param {object} state - The state object consist of required info to determine alerts.
  */
-export async function getTemplateAlerts(pendingApproval) {
+export async function getTemplateAlerts(pendingApproval, state) {
   const fn = APPROVAL_TEMPLATES[pendingApproval.type]?.getAlerts;
-  const results = fn ? await fn(pendingApproval) : [];
+  const results = fn ? await fn(pendingApproval, state) : [];
   if (!Array.isArray(results)) {
     throw new Error(`Template alerts must be an array, received: ${results}`);
   }

ui/pages/confirmation/templates/switch-ethereum-chain.js

@@ -20,8 +20,12 @@ const PENDING_TX_DROP_NOTICE = {
   },
 };
 
-async function getAlerts() {
+async function getAlerts(_pendingApproval, state) {
-  return [PENDING_TX_DROP_NOTICE];
+  const alerts = [];
+  if (state.unapprovedTxsCount > 0) {
+    alerts.push(PENDING_TX_DROP_NOTICE);
+  }
+  return alerts;
 }
 
 function getValues(pendingApproval, t, actions) {

ui/pages/confirmation/templates/switch-ethereum-chain.test.js

@@ -0,0 +1,97 @@
+import React from 'react';
+import configureMockStore from 'redux-mock-store';
+import thunk from 'redux-thunk';
+import { waitFor } from '@testing-library/react';
+
+import { renderWithProvider } from '../../../../test/lib/render-helpers';
+import { MESSAGE_TYPE } from '../../../../shared/constants/app';
+
+import Confirmation from '../confirmation';
+
+jest.mock('../../../../shared/lib/fetch-with-cache');
+
+const middleware = [thunk];
+
+const mockApprovalId = 1;
+const mockApproval = {
+  id: mockApprovalId,
+  origin: 'https://test-dapp.metamask.io',
+  requestData: {
+    rpcUrl: 'https://rpcurl.test.chain',
+    rpcPrefs: {
+      blockExplorerUrl: 'https://blockexplorer.test.chain',
+    },
+    chainName: 'Test chain',
+    ticker: 'TST',
+    chainId: '0x9999',
+    nickname: 'Test chain',
+  },
+};
+
+const mockBaseStore = {
+  metamask: {
+    pendingApprovals: {
+      [mockApprovalId]: mockApproval,
+    },
+    subjectMetadata: {},
+    providerConfig: {
+      type: 'rpc',
+      rpcUrl: 'http://example-custom-rpc.metamask.io',
+      chainId: '0x9999',
+      nickname: 'Test initial state',
+    },
+  },
+};
+
+describe('switch-ethereum-chain confirmation', () => {
+  it('should match snapshot', async () => {
+    const testStore = {
+      metamask: {
+        ...mockBaseStore.metamask,
+        pendingApprovals: {
+          [mockApprovalId]: {
+            ...mockApproval,
+            type: MESSAGE_TYPE.SWITCH_ETHEREUM_CHAIN,
+          },
+        },
+      },
+    };
+    const store = configureMockStore(middleware)(testStore);
+    const { container } = renderWithProvider(<Confirmation />, store);
+    await waitFor(() => {
+      expect(container.querySelector('.callout')).toBeFalsy();
+      expect(container).toMatchSnapshot();
+    });
+  });
+
+  it('should show alert if there are pending txs', async () => {
+    const testStore = {
+      metamask: {
+        ...mockBaseStore.metamask,
+        pendingApprovals: {
+          [mockApprovalId]: {
+            ...mockApproval,
+            type: MESSAGE_TYPE.SWITCH_ETHEREUM_CHAIN,
+          },
+        },
+        unapprovedTxs: {
+          1: {
+            id: 1,
+          },
+        },
+      },
+    };
+
+    const store = configureMockStore(middleware)(testStore);
+    const { getByText, container } = renderWithProvider(
+      <Confirmation />,
+      store,
+    );
+    await waitFor(() => {
+      expect(
+        getByText('Switching networks will cancel all pending confirmations'),
+      ).toBeInTheDocument();
+      expect(container).toMatchSnapshot();
+    });
+  });
+});