nicely show version if there is a mismatch

src/types.ts

@@ -582,6 +582,17 @@ export interface ReserveCreationInfo {
    * Older exchanges don't return version information.
    */
   versionMatch: LibtoolVersion.VersionMatchResult|undefined;
+
+  /**
+   * Libtool-style version string for the exchange or "unknown"
+   * for older exchanges.
+   */
+  exchangeVersion: string;
+
+  /**
+   * Libtool-style version string for the wallet.
+   */
+  walletVersion: string;
 }
 
 

src/wallet.ts

@@ -1645,6 +1645,8 @@ export class Wallet {
       wireFees,
       wireInfo,
       withdrawFee: acc,
+      exchangeVersion: exchangeInfo.protocolVersion || "unknown",
+      walletVersion: WALLET_PROTOCOL_VERSION,
     };
     return ret;
   }

src/webex/pages/confirm-create-reserve.tsx

@@ -273,16 +273,16 @@ class ExchangeSelection extends ImplicitStateComponent<ExchangeSelectionProps> {
     if (rci.versionMatch.currentCmp === -1) {
       return (
         <p className="errorbox">
-          Your wallet might be outdated.  The exchange has a higher, incompatible
+          Your wallet (protocol version <span>{rci.walletVersion}</span>) might be outdated.  The exchange has a higher, incompatible
-          protocol version.
+          protocol version (<span>{rci.exchangeVersion}</span>).
         </p>
       );
     }
     if (rci.versionMatch.currentCmp === 1) {
       return (
         <p className="errorbox">
-          The chosen exchange might be outdated.  The exchange has a lower, incompatible
+          The chosen exchange (protocol version <span>{rci.exchangeVersion}</span> might be outdated.  The exchange has a lower, incompatible
-          protocol version.
+          protocol version than your wallet (protocol version <span>{rci.walletVersion}</span>).
         </p>
       );
     }