wasm

9 files changed, 465 insertions, 229 deletions

diff --git a/src/crypto/cryptoWorker.ts b/src/crypto/cryptoWorker.ts
index 3e71794b4..11b21190d 100644
--- a/src/crypto/cryptoWorker.ts
+++ b/src/crypto/cryptoWorker.ts
@@ -549,6 +549,76 @@ namespace RpcFunctions {
       time_eddsa_verify += timer.performanceNow() - start;
     }
 
+    /* rsa 2048 */
+
+    let time_rsa_2048_blind = 0;
+    const rsaPriv2048: native.RsaPrivateKey = native.RsaPrivateKey.create(2048);
+    const rsaPub2048 = rsaPriv2048.getPublicKey();
+    const blindingSecret2048 = native.RsaBlindingKeySecret.create();
+    for (let i = 0; i < repetitions; i++) {
+      const start = timer.performanceNow();
+      native.rsaBlind(h, blindingSecret2048, rsaPub2048);
+      time_rsa_2048_blind += timer.performanceNow() - start;
+    }
+
+    const blindedMessage2048 = native.rsaBlind(h, blindingSecret2048, rsaPub2048);
+    if (!blindedMessage2048) {
+      throw Error("should not happen");
+    }
+    const rsaBlindSig2048 = native.rsaSignBlinded(rsaPriv2048, blindedMessage2048);
+
+    let time_rsa_2048_unblind = 0;
+    for (let i = 0; i < repetitions; i++) {
+      const start = timer.performanceNow();
+      native.rsaUnblind(rsaBlindSig2048, blindingSecret2048, rsaPub2048);
+      time_rsa_2048_unblind += timer.performanceNow() - start;
+    }
+
+    const unblindedSig2048 = native.rsaUnblind(rsaBlindSig2048, blindingSecret2048, rsaPub2048);
+
+    let time_rsa_2048_verify = 0;
+    for (let i = 0; i < repetitions; i++) {
+      const start = timer.performanceNow();
+      native.rsaVerify(h, unblindedSig2048, rsaPub2048);
+      time_rsa_2048_verify += timer.performanceNow() - start;
+    }
+
+
+    /* rsa 4096 */
+
+    let time_rsa_4096_blind = 0;
+    const rsaPriv4096: native.RsaPrivateKey = native.RsaPrivateKey.create(4096);
+    const rsaPub4096 = rsaPriv4096.getPublicKey();
+    const blindingSecret4096 = native.RsaBlindingKeySecret.create();
+    for (let i = 0; i < repetitions; i++) {
+      const start = timer.performanceNow();
+      native.rsaBlind(h, blindingSecret4096, rsaPub4096);
+      time_rsa_4096_blind += timer.performanceNow() - start;
+    }
+
+    const blindedMessage4096 = native.rsaBlind(h, blindingSecret4096, rsaPub4096);
+    if (!blindedMessage4096) {
+      throw Error("should not happen");
+    }
+    const rsaBlindSig4096 = native.rsaSignBlinded(rsaPriv4096, blindedMessage4096);
+
+    let time_rsa_4096_unblind = 0;
+    for (let i = 0; i < repetitions; i++) {
+      const start = timer.performanceNow();
+      native.rsaUnblind(rsaBlindSig4096, blindingSecret4096, rsaPub4096);
+      time_rsa_4096_unblind += timer.performanceNow() - start;
+    }
+
+    const unblindedSig4096 = native.rsaUnblind(rsaBlindSig4096, blindingSecret4096, rsaPub4096);
+
+    let time_rsa_4096_verify = 0;
+    for (let i = 0; i < repetitions; i++) {
+      const start = timer.performanceNow();
+      native.rsaVerify(h, unblindedSig4096, rsaPub4096);
+      time_rsa_4096_verify += timer.performanceNow() - start;
+    }
+
+
     return {
       repetitions,
       time: {
@@ -558,6 +628,12 @@ namespace RpcFunctions {
         eddsa_sign: time_eddsa_sign,
         eddsa_verify: time_eddsa_verify,
         ecdsa_create: time_ecdsa_create,
+        rsa_2048_blind: time_rsa_2048_blind,
+        rsa_2048_unblind: time_rsa_2048_unblind,
+        rsa_2048_verify: time_rsa_2048_verify,
+        rsa_4096_blind: time_rsa_4096_blind,
+        rsa_4096_unblind: time_rsa_4096_unblind,
+        rsa_4096_verify: time_rsa_4096_verify,
       }
     };
   }
diff --git a/src/crypto/emscInterface.ts b/src/crypto/emscInterface.ts
index 61289fb75..dcd16e633 100644
--- a/src/crypto/emscInterface.ts
+++ b/src/crypto/emscInterface.ts
@@ -90,7 +90,9 @@ interface EmscFunctions {
   random_block(a1: number, a2: number, a3: number): void;
   rsa_blinding_key_free(a1: number): void;
   rsa_public_key_free(a1: number): void;
+  rsa_private_key_free(a1: number): void;
   rsa_signature_free(a1: number): void;
+  rsa_verify(msgHash: number, sig: number, pubKey: number): number;
   setup_fresh_coin(a1: number, a2: number, a3: number): void;
   string_to_data(a1: number, a2: number, a3: number, a4: number): number;
 }
@@ -115,10 +117,15 @@ interface EmscAllocFunctions {
   rsa_blinding_key_create(a1: number): number;
   rsa_blinding_key_decode(a1: number, a2: number): number;
   rsa_blinding_key_encode(a1: number, a2: number): number;
+  rsa_private_key_create(len: number): number;
+  rsa_private_key_decode(a1: number, a2: number): number;
+  rsa_private_key_encode(a1: number, a2: number): number;
+  rsa_private_key_get_public(privKeyPtr: number): number;
   rsa_public_key_decode(a1: number, a2: number): number;
   rsa_public_key_encode(a1: number, a2: number): number;
-  rsa_signature_encode(a1: number, a2: number): number;
   rsa_signature_decode(a1: number, a2: number): number;
+  rsa_signature_encode(a1: number, a2: number): number;
+  rsa_sign_blinded(keyPtr: number, msgPtr: number, msgLen: number): number;
   rsa_unblind(a1: number, a2: number, a3: number): number;
 }
 
@@ -159,10 +166,15 @@ class EmscEnvironment {
       rsa_blinding_key_create: getEmsc("GNUNET_CRYPTO_rsa_blinding_key_create", "number", ["number"]),
       rsa_blinding_key_decode: getEmsc("GNUNET_CRYPTO_rsa_blinding_key_decode", "number", ["number", "number"]),
       rsa_blinding_key_encode: getEmsc("GNUNET_CRYPTO_rsa_blinding_key_encode", "number", ["number", "number"]),
+      rsa_private_key_create: getEmsc("GNUNET_CRYPTO_rsa_private_key_create", "number", ["number"]),
+      rsa_private_key_decode: getEmsc("GNUNET_CRYPTO_rsa_private_key_decode", "number", ["number", "number"]),
+      rsa_private_key_encode: getEmsc("GNUNET_CRYPTO_rsa_private_key_encode", "number", ["number", "number"]),
+      rsa_private_key_get_public: getEmsc("GNUNET_CRYPTO_rsa_private_key_get_public", "number", ["number"]),
       rsa_public_key_decode: getEmsc("GNUNET_CRYPTO_rsa_public_key_decode", "number", ["number", "number"]),
       rsa_public_key_encode: getEmsc("GNUNET_CRYPTO_rsa_public_key_encode", "number", ["number", "number"]),
       rsa_signature_decode: getEmsc("GNUNET_CRYPTO_rsa_signature_decode", "number", ["number", "number"]),
       rsa_signature_encode: getEmsc("GNUNET_CRYPTO_rsa_signature_encode", "number", ["number", "number"]),
+      rsa_sign_blinded: getEmsc("GNUNET_CRYPTO_rsa_sign_blinded", "number", ["number", "number", "number"]),
       rsa_unblind: getEmsc("GNUNET_CRYPTO_rsa_unblind", "number", ["number", "number", "number"]),
     };
     this.funcs = {
@@ -189,7 +201,9 @@ class EmscEnvironment {
       random_block: getEmsc("GNUNET_CRYPTO_random_block", "void", ["number", "number", "number"]),
       rsa_blinding_key_free: getEmsc("GNUNET_CRYPTO_rsa_blinding_key_free", "void", ["number"]),
       rsa_public_key_free: getEmsc("GNUNET_CRYPTO_rsa_public_key_free", "void", ["number"]),
+      rsa_private_key_free: getEmsc("GNUNET_CRYPTO_rsa_private_key_free", "void", ["number"]),
       rsa_signature_free: getEmsc("GNUNET_CRYPTO_rsa_signature_free", "void", ["number"]),
+      rsa_verify: getEmsc("GNUNET_CRYPTO_rsa_verify", "number", ["number", "number", "number"]),
       setup_fresh_coin: getEmsc("TALER_setup_fresh_coin", "void", ["number", "number", "number"]),
       string_to_data: getEmsc("GNUNET_STRINGS_string_to_data", "number", ["number", "number", "number", "number"]),
     };
@@ -1358,6 +1372,42 @@ export class PaymentSignaturePS extends SignatureStruct {
 
 
 /**
+ * Low-level handle to an RsaPrivateKey.
+ */
+export class RsaPrivateKey extends MallocArenaObject {
+  static fromCrock(s: string): RsaPrivateKey {
+    return fromCrockDecoded(s, this, emsc().allocFuncs.rsa_private_key_decode);
+  }
+
+  static create(bitLen: number, a?: Arena): RsaPrivateKey {
+    const obj = new RsaPrivateKey(a);
+    obj.nativePtr = emsc().allocFuncs.rsa_private_key_create(bitLen);
+    return obj;
+  }
+
+  toCrock() {
+    return this.encode().toCrock();
+  }
+
+
+  getPublicKey(a?: Arena): RsaPublicKey {
+    const obj = new RsaPublicKey(a);
+    obj.nativePtr = emsc().allocFuncs.rsa_private_key_get_public(this.nativePtr);
+    return obj;
+  }
+
+  destroy() {
+    emsc().funcs.rsa_public_key_free(this.nativePtr);
+    this.nativePtr = 0;
+  }
+
+  encode(arena?: Arena): ByteArray {
+    return encode(this, emsc().allocFuncs.rsa_private_key_encode);
+  }
+}
+
+
+/**
  * Low-level handle to an RsaPublicKey.
  */
 export class RsaPublicKey extends MallocArenaObject {
@@ -1470,6 +1520,16 @@ export function eddsaVerify(purposeNum: number,
 }
 
 
+export function rsaVerify(h: HashCode,
+                          sig: RsaSignature,
+                          pub: RsaPublicKey) {
+  const r = emsc().funcs.rsa_verify(h.nativePtr,
+                                    sig.nativePtr,
+                                    pub.nativePtr);
+  return r === GNUNET_OK;
+}
+
+
 /**
  * Unblind a blindly signed value.
  */
@@ -1516,6 +1576,16 @@ export function ecdhEddsa(priv: EcdhePrivateKey,
   return h;
 }
 
+export function rsaSignBlinded(priv: RsaPrivateKey,
+                               msg: ByteArray): RsaSignature {
+  const sig = new RsaSignature();
+  sig.nativePtr = emsc().allocFuncs.rsa_sign_blinded (priv.nativePtr,
+                                                      msg.nativePtr,
+                                                      msg.size());
+  return sig;
+}
+
+
 
 /**
  * Derive a fresh coin from the given seed.  Used during refreshing.
diff --git a/src/i18n/de.po b/src/i18n/de.po
index 94ad58bb6..1f6ee9010 100644
--- a/src/i18n/de.po
+++ b/src/i18n/de.po
@@ -27,28 +27,38 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
-#: src/webex/pages/confirm-contract.tsx:76
+#: src/webex/pages/benchmark.tsx:58
+#, c-format
+msgid "Operation"
+msgstr ""
+
+#: src/webex/pages/benchmark.tsx:59
+#, c-format
+msgid "time (ms/op)"
+msgstr ""
+
+#: src/webex/pages/confirm-contract.tsx:78
 #, c-format
 msgid "show more details"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:90
+#: src/webex/pages/confirm-contract.tsx:92
 #, c-format
 msgid "Accepted exchanges:"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:95
+#: src/webex/pages/confirm-contract.tsx:97
 #, c-format
 msgid "Exchanges in the wallet:"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:217
+#: src/webex/pages/confirm-contract.tsx:219
 #, c-format
 msgid "You have insufficient funds of the requested currency in your wallet."
 msgstr ""
 
 #. tslint:disable-next-line:max-line-length
-#: src/webex/pages/confirm-contract.tsx:219
+#: src/webex/pages/confirm-contract.tsx:221
 #, c-format
 msgid ""
 "You do not have any funds from an exchange that is accepted by this "
@@ -56,54 +66,54 @@ msgid ""
 "wallet."
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:320
+#: src/webex/pages/confirm-contract.tsx:322
 #, fuzzy, c-format
 msgid "Confirm payment"
 msgstr "Bezahlung bestätigen"
 
-#: src/webex/pages/confirm-contract.tsx:330
+#: src/webex/pages/confirm-contract.tsx:332
 #, c-format
 msgid "Submitting payment"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:341
+#: src/webex/pages/confirm-contract.tsx:343
 #, c-format
 msgid ""
 "You already paid for this, clicking \"Confirm payment\" will not cost money "
 "again."
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:355
+#: src/webex/pages/confirm-contract.tsx:357
 #, fuzzy, c-format
 msgid "Aborting payment ..."
 msgstr "Bezahlung bestätigen"
 
-#: src/webex/pages/confirm-contract.tsx:357
+#: src/webex/pages/confirm-contract.tsx:359
 #, c-format
 msgid "Payment aborted!"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:360
+#: src/webex/pages/confirm-contract.tsx:362
 #, fuzzy, c-format
 msgid "Retry Payment"
 msgstr "Bezahlung bestätigen"
 
-#: src/webex/pages/confirm-contract.tsx:363
+#: src/webex/pages/confirm-contract.tsx:365
 #, fuzzy, c-format
 msgid "Abort Payment"
 msgstr "Bezahlung bestätigen"
 
-#: src/webex/pages/confirm-contract.tsx:372
+#: src/webex/pages/confirm-contract.tsx:374
 #, fuzzy, c-format
 msgid "The merchant %1$s offers you to purchase:"
 msgstr "Der Händler %1$s möchte einen Vertrag über %2$s mit Ihnen abschließen."
 
-#: src/webex/pages/confirm-contract.tsx:381
+#: src/webex/pages/confirm-contract.tsx:383
 #, c-format
 msgid "The total price is %1$s (plus %2$s fees)."
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:385
+#: src/webex/pages/confirm-contract.tsx:387
 #, c-format
 msgid "The total price is %1$s."
 msgstr ""
@@ -230,72 +240,72 @@ msgstr ""
 msgid "Fatal error: \"%1$s\"."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:162
+#: src/webex/pages/popup.tsx:165
 #, c-format
 msgid "Balance"
 msgstr "Saldo"
 
-#: src/webex/pages/popup.tsx:165
+#: src/webex/pages/popup.tsx:168
 #, c-format
 msgid "History"
 msgstr "Verlauf"
 
-#: src/webex/pages/popup.tsx:168
+#: src/webex/pages/popup.tsx:171
 #, c-format
 msgid "Debug"
 msgstr "Debug"
 
-#: src/webex/pages/popup.tsx:248
+#: src/webex/pages/popup.tsx:251
 #, c-format
 msgid "help"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:253
+#: src/webex/pages/popup.tsx:256
 #, fuzzy, c-format
 msgid "You have no balance to show. Need some %1$s getting started?"
 msgstr "Sie haben kein Digitalgeld. Wollen Sie %1$s? abheben?"
 
-#: src/webex/pages/popup.tsx:270
+#: src/webex/pages/popup.tsx:273
 #, c-format
 msgid "%1$s incoming"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:283
+#: src/webex/pages/popup.tsx:286
 #, c-format
 msgid "%1$s being spent"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:310
+#: src/webex/pages/popup.tsx:313
 #, c-format
 msgid "Error: could not retrieve balance information."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:337
+#: src/webex/pages/popup.tsx:340
 #, c-format
 msgid "Payback"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:338
+#: src/webex/pages/popup.tsx:341
 #, c-format
 msgid "Return Electronic Cash to Bank Account"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:339
+#: src/webex/pages/popup.tsx:342
 #, c-format
 msgid "Manage Trusted Auditors and Exchanges"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:351
+#: src/webex/pages/popup.tsx:354
 #, fuzzy, c-format
 msgid "Bank requested reserve (%1$s) for %2$s."
 msgstr "Bank bestätig anlegen der Reserve (%1$s) bei %2$s"
 
-#: src/webex/pages/popup.tsx:361
+#: src/webex/pages/popup.tsx:364
 #, fuzzy, c-format
 msgid "Started to withdraw %1$s from %2$s (%3$s)."
 msgstr "Reserve (%1$s) mit %2$s bei %3$s erzeugt"
 
-#: src/webex/pages/popup.tsx:370
+#: src/webex/pages/popup.tsx:373
 #, fuzzy, c-format
 msgid "Merchant %1$s offered contract %2$s."
 msgstr ""
@@ -303,17 +313,17 @@ msgstr ""
 "               möchte einen Vertrag über %2$s\n"
 "               mit Ihnen abschließen."
 
-#: src/webex/pages/popup.tsx:381
+#: src/webex/pages/popup.tsx:384
 #, fuzzy, c-format
 msgid "Withdrew %1$s from %2$s (%3$s)."
 msgstr "Reserve (%1$s) mit %2$s bei %3$s erzeugt"
 
-#: src/webex/pages/popup.tsx:391
+#: src/webex/pages/popup.tsx:394
 #, fuzzy, c-format
 msgid "Paid %1$s to merchant %2$s. %3$s (%4$s)"
 msgstr "Reserve (%1$s) mit %2$s bei %3$s erzeugt"
 
-#: src/webex/pages/popup.tsx:401
+#: src/webex/pages/popup.tsx:404
 #, fuzzy, c-format
 msgid "Merchant %1$s gave a refund over %2$s."
 msgstr ""
@@ -321,12 +331,12 @@ msgstr ""
 "               möchte einen Vertrag über %2$s\n"
 "               mit Ihnen abschließen."
 
-#: src/webex/pages/popup.tsx:411
+#: src/webex/pages/popup.tsx:414
 #, c-format
 msgid "tip"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:415
+#: src/webex/pages/popup.tsx:418
 #, fuzzy, c-format
 msgid "Merchant %1$s gave a %2$s of %3$s."
 msgstr ""
@@ -334,22 +344,22 @@ msgstr ""
 "               möchte einen Vertrag über %2$s\n"
 "               mit Ihnen abschließen."
 
-#: src/webex/pages/popup.tsx:419
+#: src/webex/pages/popup.tsx:422
 #, c-format
 msgid "You did not accept the tip yet."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:424
+#: src/webex/pages/popup.tsx:427
 #, c-format
 msgid "Unknown event (%1$s)"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:467
+#: src/webex/pages/popup.tsx:470
 #, c-format
 msgid "Error: could not retrieve event history"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:492
+#: src/webex/pages/popup.tsx:495
 #, c-format
 msgid "Your wallet has no events recorded."
 msgstr "Ihre Geldbörse verzeichnet keine Vorkommnisse."
diff --git a/src/i18n/en-US.po b/src/i18n/en-US.po
index b9625d921..5d68c6167 100644
--- a/src/i18n/en-US.po
+++ b/src/i18n/en-US.po
@@ -27,28 +27,38 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
-#: src/webex/pages/confirm-contract.tsx:76
+#: src/webex/pages/benchmark.tsx:58
+#, c-format
+msgid "Operation"
+msgstr ""
+
+#: src/webex/pages/benchmark.tsx:59
+#, c-format
+msgid "time (ms/op)"
+msgstr ""
+
+#: src/webex/pages/confirm-contract.tsx:78
 #, c-format
 msgid "show more details"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:90
+#: src/webex/pages/confirm-contract.tsx:92
 #, c-format
 msgid "Accepted exchanges:"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:95
+#: src/webex/pages/confirm-contract.tsx:97
 #, c-format
 msgid "Exchanges in the wallet:"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:217
+#: src/webex/pages/confirm-contract.tsx:219
 #, c-format
 msgid "You have insufficient funds of the requested currency in your wallet."
 msgstr ""
 
 #. tslint:disable-next-line:max-line-length
-#: src/webex/pages/confirm-contract.tsx:219
+#: src/webex/pages/confirm-contract.tsx:221
 #, c-format
 msgid ""
 "You do not have any funds from an exchange that is accepted by this "
@@ -56,54 +66,54 @@ msgid ""
 "wallet."
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:320
+#: src/webex/pages/confirm-contract.tsx:322
 #, c-format
 msgid "Confirm payment"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:330
+#: src/webex/pages/confirm-contract.tsx:332
 #, c-format
 msgid "Submitting payment"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:341
+#: src/webex/pages/confirm-contract.tsx:343
 #, c-format
 msgid ""
 "You already paid for this, clicking \"Confirm payment\" will not cost money "
 "again."
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:355
+#: src/webex/pages/confirm-contract.tsx:357
 #, c-format
 msgid "Aborting payment ..."
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:357
+#: src/webex/pages/confirm-contract.tsx:359
 #, c-format
 msgid "Payment aborted!"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:360
+#: src/webex/pages/confirm-contract.tsx:362
 #, c-format
 msgid "Retry Payment"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:363
+#: src/webex/pages/confirm-contract.tsx:365
 #, c-format
 msgid "Abort Payment"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:372
+#: src/webex/pages/confirm-contract.tsx:374
 #, c-format
 msgid "The merchant %1$s offers you to purchase:"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:381
+#: src/webex/pages/confirm-contract.tsx:383
 #, c-format
 msgid "The total price is %1$s (plus %2$s fees)."
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:385
+#: src/webex/pages/confirm-contract.tsx:387
 #, c-format
 msgid "The total price is %1$s."
 msgstr ""
@@ -230,117 +240,117 @@ msgstr ""
 msgid "Fatal error: \"%1$s\"."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:162
+#: src/webex/pages/popup.tsx:165
 #, c-format
 msgid "Balance"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:165
+#: src/webex/pages/popup.tsx:168
 #, c-format
 msgid "History"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:168
+#: src/webex/pages/popup.tsx:171
 #, c-format
 msgid "Debug"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:248
+#: src/webex/pages/popup.tsx:251
 #, c-format
 msgid "help"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:253
+#: src/webex/pages/popup.tsx:256
 #, c-format
 msgid "You have no balance to show. Need some %1$s getting started?"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:270
+#: src/webex/pages/popup.tsx:273
 #, c-format
 msgid "%1$s incoming"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:283
+#: src/webex/pages/popup.tsx:286
 #, c-format
 msgid "%1$s being spent"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:310
+#: src/webex/pages/popup.tsx:313
 #, c-format
 msgid "Error: could not retrieve balance information."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:337
+#: src/webex/pages/popup.tsx:340
 #, c-format
 msgid "Payback"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:338
+#: src/webex/pages/popup.tsx:341
 #, c-format
 msgid "Return Electronic Cash to Bank Account"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:339
+#: src/webex/pages/popup.tsx:342
 #, c-format
 msgid "Manage Trusted Auditors and Exchanges"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:351
+#: src/webex/pages/popup.tsx:354
 #, c-format
 msgid "Bank requested reserve (%1$s) for %2$s."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:361
+#: src/webex/pages/popup.tsx:364
 #, c-format
 msgid "Started to withdraw %1$s from %2$s (%3$s)."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:370
+#: src/webex/pages/popup.tsx:373
 #, c-format
 msgid "Merchant %1$s offered contract %2$s."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:381
+#: src/webex/pages/popup.tsx:384
 #, c-format
 msgid "Withdrew %1$s from %2$s (%3$s)."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:391
+#: src/webex/pages/popup.tsx:394
 #, c-format
 msgid "Paid %1$s to merchant %2$s. %3$s (%4$s)"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:401
+#: src/webex/pages/popup.tsx:404
 #, c-format
 msgid "Merchant %1$s gave a refund over %2$s."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:411
+#: src/webex/pages/popup.tsx:414
 #, c-format
 msgid "tip"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:415
+#: src/webex/pages/popup.tsx:418
 #, c-format
 msgid "Merchant %1$s gave a %2$s of %3$s."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:419
+#: src/webex/pages/popup.tsx:422
 #, c-format
 msgid "You did not accept the tip yet."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:424
+#: src/webex/pages/popup.tsx:427
 #, c-format
 msgid "Unknown event (%1$s)"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:467
+#: src/webex/pages/popup.tsx:470
 #, c-format
 msgid "Error: could not retrieve event history"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:492
+#: src/webex/pages/popup.tsx:495
 #, c-format
 msgid "Your wallet has no events recorded."
 msgstr ""
diff --git a/src/i18n/fr.po b/src/i18n/fr.po
index 7f9fc14cf..f097767a8 100644
--- a/src/i18n/fr.po
+++ b/src/i18n/fr.po
@@ -27,28 +27,38 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
-#: src/webex/pages/confirm-contract.tsx:76
+#: src/webex/pages/benchmark.tsx:58
+#, c-format
+msgid "Operation"
+msgstr ""
+
+#: src/webex/pages/benchmark.tsx:59
+#, c-format
+msgid "time (ms/op)"
+msgstr ""
+
+#: src/webex/pages/confirm-contract.tsx:78
 #, c-format
 msgid "show more details"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:90
+#: src/webex/pages/confirm-contract.tsx:92
 #, c-format
 msgid "Accepted exchanges:"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:95
+#: src/webex/pages/confirm-contract.tsx:97
 #, c-format
 msgid "Exchanges in the wallet:"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:217
+#: src/webex/pages/confirm-contract.tsx:219
 #, c-format
 msgid "You have insufficient funds of the requested currency in your wallet."
 msgstr ""
 
 #. tslint:disable-next-line:max-line-length
-#: src/webex/pages/confirm-contract.tsx:219
+#: src/webex/pages/confirm-contract.tsx:221
 #, c-format
 msgid ""
 "You do not have any funds from an exchange that is accepted by this "
@@ -56,54 +66,54 @@ msgid ""
 "wallet."
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:320
+#: src/webex/pages/confirm-contract.tsx:322
 #, c-format
 msgid "Confirm payment"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:330
+#: src/webex/pages/confirm-contract.tsx:332
 #, c-format
 msgid "Submitting payment"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:341
+#: src/webex/pages/confirm-contract.tsx:343
 #, c-format
 msgid ""
 "You already paid for this, clicking \"Confirm payment\" will not cost money "
 "again."
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:355
+#: src/webex/pages/confirm-contract.tsx:357
 #, c-format
 msgid "Aborting payment ..."
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:357
+#: src/webex/pages/confirm-contract.tsx:359
 #, c-format
 msgid "Payment aborted!"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:360
+#: src/webex/pages/confirm-contract.tsx:362
 #, c-format
 msgid "Retry Payment"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:363
+#: src/webex/pages/confirm-contract.tsx:365
 #, c-format
 msgid "Abort Payment"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:372
+#: src/webex/pages/confirm-contract.tsx:374
 #, c-format
 msgid "The merchant %1$s offers you to purchase:"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:381
+#: src/webex/pages/confirm-contract.tsx:383
 #, c-format
 msgid "The total price is %1$s (plus %2$s fees)."
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:385
+#: src/webex/pages/confirm-contract.tsx:387
 #, c-format
 msgid "The total price is %1$s."
 msgstr ""
@@ -230,117 +240,117 @@ msgstr ""
 msgid "Fatal error: \"%1$s\"."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:162
+#: src/webex/pages/popup.tsx:165
 #, c-format
 msgid "Balance"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:165
+#: src/webex/pages/popup.tsx:168
 #, c-format
 msgid "History"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:168
+#: src/webex/pages/popup.tsx:171
 #, c-format
 msgid "Debug"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:248
+#: src/webex/pages/popup.tsx:251
 #, c-format
 msgid "help"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:253
+#: src/webex/pages/popup.tsx:256
 #, c-format
 msgid "You have no balance to show. Need some %1$s getting started?"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:270
+#: src/webex/pages/popup.tsx:273
 #, c-format
 msgid "%1$s incoming"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:283
+#: src/webex/pages/popup.tsx:286
 #, c-format
 msgid "%1$s being spent"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:310
+#: src/webex/pages/popup.tsx:313
 #, c-format
 msgid "Error: could not retrieve balance information."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:337
+#: src/webex/pages/popup.tsx:340
 #, c-format
 msgid "Payback"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:338
+#: src/webex/pages/popup.tsx:341
 #, c-format
 msgid "Return Electronic Cash to Bank Account"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:339
+#: src/webex/pages/popup.tsx:342
 #, c-format
 msgid "Manage Trusted Auditors and Exchanges"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:351
+#: src/webex/pages/popup.tsx:354
 #, c-format
 msgid "Bank requested reserve (%1$s) for %2$s."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:361
+#: src/webex/pages/popup.tsx:364
 #, c-format
 msgid "Started to withdraw %1$s from %2$s (%3$s)."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:370
+#: src/webex/pages/popup.tsx:373
 #, c-format
 msgid "Merchant %1$s offered contract %2$s."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:381
+#: src/webex/pages/popup.tsx:384
 #, c-format
 msgid "Withdrew %1$s from %2$s (%3$s)."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:391
+#: src/webex/pages/popup.tsx:394
 #, c-format
 msgid "Paid %1$s to merchant %2$s. %3$s (%4$s)"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:401
+#: src/webex/pages/popup.tsx:404
 #, c-format
 msgid "Merchant %1$s gave a refund over %2$s."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:411
+#: src/webex/pages/popup.tsx:414
 #, c-format
 msgid "tip"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:415
+#: src/webex/pages/popup.tsx:418
 #, c-format
 msgid "Merchant %1$s gave a %2$s of %3$s."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:419
+#: src/webex/pages/popup.tsx:422
 #, c-format
 msgid "You did not accept the tip yet."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:424
+#: src/webex/pages/popup.tsx:427
 #, c-format
 msgid "Unknown event (%1$s)"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:467
+#: src/webex/pages/popup.tsx:470
 #, c-format
 msgid "Error: could not retrieve event history"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:492
+#: src/webex/pages/popup.tsx:495
 #, c-format
 msgid "Your wallet has no events recorded."
 msgstr ""
diff --git a/src/i18n/it.po b/src/i18n/it.po
index 7f9fc14cf..f097767a8 100644
--- a/src/i18n/it.po
+++ b/src/i18n/it.po
@@ -27,28 +27,38 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
-#: src/webex/pages/confirm-contract.tsx:76
+#: src/webex/pages/benchmark.tsx:58
+#, c-format
+msgid "Operation"
+msgstr ""
+
+#: src/webex/pages/benchmark.tsx:59
+#, c-format
+msgid "time (ms/op)"
+msgstr ""
+
+#: src/webex/pages/confirm-contract.tsx:78
 #, c-format
 msgid "show more details"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:90
+#: src/webex/pages/confirm-contract.tsx:92
 #, c-format
 msgid "Accepted exchanges:"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:95
+#: src/webex/pages/confirm-contract.tsx:97
 #, c-format
 msgid "Exchanges in the wallet:"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:217
+#: src/webex/pages/confirm-contract.tsx:219
 #, c-format
 msgid "You have insufficient funds of the requested currency in your wallet."
 msgstr ""
 
 #. tslint:disable-next-line:max-line-length
-#: src/webex/pages/confirm-contract.tsx:219
+#: src/webex/pages/confirm-contract.tsx:221
 #, c-format
 msgid ""
 "You do not have any funds from an exchange that is accepted by this "
@@ -56,54 +66,54 @@ msgid ""
 "wallet."
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:320
+#: src/webex/pages/confirm-contract.tsx:322
 #, c-format
 msgid "Confirm payment"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:330
+#: src/webex/pages/confirm-contract.tsx:332
 #, c-format
 msgid "Submitting payment"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:341
+#: src/webex/pages/confirm-contract.tsx:343
 #, c-format
 msgid ""
 "You already paid for this, clicking \"Confirm payment\" will not cost money "
 "again."
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:355
+#: src/webex/pages/confirm-contract.tsx:357
 #, c-format
 msgid "Aborting payment ..."
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:357
+#: src/webex/pages/confirm-contract.tsx:359
 #, c-format
 msgid "Payment aborted!"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:360
+#: src/webex/pages/confirm-contract.tsx:362
 #, c-format
 msgid "Retry Payment"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:363
+#: src/webex/pages/confirm-contract.tsx:365
 #, c-format
 msgid "Abort Payment"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:372
+#: src/webex/pages/confirm-contract.tsx:374
 #, c-format
 msgid "The merchant %1$s offers you to purchase:"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:381
+#: src/webex/pages/confirm-contract.tsx:383
 #, c-format
 msgid "The total price is %1$s (plus %2$s fees)."
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:385
+#: src/webex/pages/confirm-contract.tsx:387
 #, c-format
 msgid "The total price is %1$s."
 msgstr ""
@@ -230,117 +240,117 @@ msgstr ""
 msgid "Fatal error: \"%1$s\"."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:162
+#: src/webex/pages/popup.tsx:165
 #, c-format
 msgid "Balance"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:165
+#: src/webex/pages/popup.tsx:168
 #, c-format
 msgid "History"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:168
+#: src/webex/pages/popup.tsx:171
 #, c-format
 msgid "Debug"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:248
+#: src/webex/pages/popup.tsx:251
 #, c-format
 msgid "help"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:253
+#: src/webex/pages/popup.tsx:256
 #, c-format
 msgid "You have no balance to show. Need some %1$s getting started?"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:270
+#: src/webex/pages/popup.tsx:273
 #, c-format
 msgid "%1$s incoming"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:283
+#: src/webex/pages/popup.tsx:286
 #, c-format
 msgid "%1$s being spent"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:310
+#: src/webex/pages/popup.tsx:313
 #, c-format
 msgid "Error: could not retrieve balance information."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:337
+#: src/webex/pages/popup.tsx:340
 #, c-format
 msgid "Payback"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:338
+#: src/webex/pages/popup.tsx:341
 #, c-format
 msgid "Return Electronic Cash to Bank Account"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:339
+#: src/webex/pages/popup.tsx:342
 #, c-format
 msgid "Manage Trusted Auditors and Exchanges"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:351
+#: src/webex/pages/popup.tsx:354
 #, c-format
 msgid "Bank requested reserve (%1$s) for %2$s."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:361
+#: src/webex/pages/popup.tsx:364
 #, c-format
 msgid "Started to withdraw %1$s from %2$s (%3$s)."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:370
+#: src/webex/pages/popup.tsx:373
 #, c-format
 msgid "Merchant %1$s offered contract %2$s."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:381
+#: src/webex/pages/popup.tsx:384
 #, c-format
 msgid "Withdrew %1$s from %2$s (%3$s)."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:391
+#: src/webex/pages/popup.tsx:394
 #, c-format
 msgid "Paid %1$s to merchant %2$s. %3$s (%4$s)"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:401
+#: src/webex/pages/popup.tsx:404
 #, c-format
 msgid "Merchant %1$s gave a refund over %2$s."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:411
+#: src/webex/pages/popup.tsx:414
 #, c-format
 msgid "tip"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:415
+#: src/webex/pages/popup.tsx:418
 #, c-format
 msgid "Merchant %1$s gave a %2$s of %3$s."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:419
+#: src/webex/pages/popup.tsx:422
 #, c-format
 msgid "You did not accept the tip yet."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:424
+#: src/webex/pages/popup.tsx:427
 #, c-format
 msgid "Unknown event (%1$s)"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:467
+#: src/webex/pages/popup.tsx:470
 #, c-format
 msgid "Error: could not retrieve event history"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:492
+#: src/webex/pages/popup.tsx:495
 #, c-format
 msgid "Your wallet has no events recorded."
 msgstr ""
diff --git a/src/i18n/strings.ts b/src/i18n/strings.ts
index b0d2208d4..cb5ee7e62 100644
--- a/src/i18n/strings.ts
+++ b/src/i18n/strings.ts
@@ -24,6 +24,12 @@ strings['de'] = {
         "plural_forms": "nplurals=2; plural=(n != 1);",
         "lang": ""
       },
+      "Operation": [
+        ""
+      ],
+      "time (ms/op)": [
+        ""
+      ],
       "show more details": [
         ""
       ],
@@ -258,6 +264,12 @@ strings['en-US'] = {
         "plural_forms": "nplurals=2; plural=(n != 1);",
         "lang": ""
       },
+      "Operation": [
+        ""
+      ],
+      "time (ms/op)": [
+        ""
+      ],
       "show more details": [
         ""
       ],
@@ -492,6 +504,12 @@ strings['fr'] = {
         "plural_forms": "nplurals=2; plural=(n != 1);",
         "lang": ""
       },
+      "Operation": [
+        ""
+      ],
+      "time (ms/op)": [
+        ""
+      ],
       "show more details": [
         ""
       ],
@@ -726,6 +744,12 @@ strings['it'] = {
         "plural_forms": "nplurals=2; plural=(n != 1);",
         "lang": ""
       },
+      "Operation": [
+        ""
+      ],
+      "time (ms/op)": [
+        ""
+      ],
       "show more details": [
         ""
       ],
@@ -960,6 +984,12 @@ strings['sv'] = {
         "plural_forms": "nplurals=2; plural=(n != 1);",
         "lang": ""
       },
+      "Operation": [
+        ""
+      ],
+      "time (ms/op)": [
+        ""
+      ],
       "show more details": [
         "visa mer"
       ],
diff --git a/src/i18n/sv.po b/src/i18n/sv.po
index cff28fd3c..890505c07 100644
--- a/src/i18n/sv.po
+++ b/src/i18n/sv.po
@@ -27,28 +27,38 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
-#: src/webex/pages/confirm-contract.tsx:76
+#: src/webex/pages/benchmark.tsx:58
+#, c-format
+msgid "Operation"
+msgstr ""
+
+#: src/webex/pages/benchmark.tsx:59
+#, c-format
+msgid "time (ms/op)"
+msgstr ""
+
+#: src/webex/pages/confirm-contract.tsx:78
 #, fuzzy, c-format
 msgid "show more details"
 msgstr "visa mer"
 
-#: src/webex/pages/confirm-contract.tsx:90
+#: src/webex/pages/confirm-contract.tsx:92
 #, c-format
 msgid "Accepted exchanges:"
 msgstr "Accepterade tjänsteleverantörer:"
 
-#: src/webex/pages/confirm-contract.tsx:95
+#: src/webex/pages/confirm-contract.tsx:97
 #, c-format
 msgid "Exchanges in the wallet:"
 msgstr "Tjänsteleverantörer i plånboken:"
 
-#: src/webex/pages/confirm-contract.tsx:217
+#: src/webex/pages/confirm-contract.tsx:219
 #, c-format
 msgid "You have insufficient funds of the requested currency in your wallet."
 msgstr "plånboken"
 
 #. tslint:disable-next-line:max-line-length
-#: src/webex/pages/confirm-contract.tsx:219
+#: src/webex/pages/confirm-contract.tsx:221
 #, c-format
 msgid ""
 "You do not have any funds from an exchange that is accepted by this "
@@ -56,17 +66,17 @@ msgid ""
 "wallet."
 msgstr "plånboken"
 
-#: src/webex/pages/confirm-contract.tsx:320
+#: src/webex/pages/confirm-contract.tsx:322
 #, c-format
 msgid "Confirm payment"
 msgstr "Godkän betalning"
 
-#: src/webex/pages/confirm-contract.tsx:330
+#: src/webex/pages/confirm-contract.tsx:332
 #, c-format
 msgid "Submitting payment"
 msgstr "Bekräftar betalning"
 
-#: src/webex/pages/confirm-contract.tsx:341
+#: src/webex/pages/confirm-contract.tsx:343
 #, c-format
 msgid ""
 "You already paid for this, clicking \"Confirm payment\" will not cost money "
@@ -75,37 +85,37 @@ msgstr ""
 "Du har redan betalat för det här, om du trycker \"Godkän betalning\" "
 "debiteras du inte igen"
 
-#: src/webex/pages/confirm-contract.tsx:355
+#: src/webex/pages/confirm-contract.tsx:357
 #, c-format
 msgid "Aborting payment ..."
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:357
+#: src/webex/pages/confirm-contract.tsx:359
 #, c-format
 msgid "Payment aborted!"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:360
+#: src/webex/pages/confirm-contract.tsx:362
 #, c-format
 msgid "Retry Payment"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:363
+#: src/webex/pages/confirm-contract.tsx:365
 #, c-format
 msgid "Abort Payment"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:372
+#: src/webex/pages/confirm-contract.tsx:374
 #, fuzzy, c-format
 msgid "The merchant %1$s offers you to purchase:"
 msgstr "Säljaren %1$s erbjuder följande:"
 
-#: src/webex/pages/confirm-contract.tsx:381
+#: src/webex/pages/confirm-contract.tsx:383
 #, fuzzy, c-format
 msgid "The total price is %1$s (plus %2$s fees)."
 msgstr "Det totala priset är %1$s (plus %2$s avgifter).\n"
 
-#: src/webex/pages/confirm-contract.tsx:385
+#: src/webex/pages/confirm-contract.tsx:387
 #, fuzzy, c-format
 msgid "The total price is %1$s."
 msgstr "Det totala priset är %1$s."
@@ -234,119 +244,119 @@ msgstr ""
 msgid "Fatal error: \"%1$s\"."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:162
+#: src/webex/pages/popup.tsx:165
 #, c-format
 msgid "Balance"
 msgstr "Balans"
 
-#: src/webex/pages/popup.tsx:165
+#: src/webex/pages/popup.tsx:168
 #, c-format
 msgid "History"
 msgstr "Historia"
 
-#: src/webex/pages/popup.tsx:168
+#: src/webex/pages/popup.tsx:171
 #, c-format
 msgid "Debug"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:248
+#: src/webex/pages/popup.tsx:251
 #, c-format
 msgid "help"
 msgstr "hjälp"
 
-#: src/webex/pages/popup.tsx:253
+#: src/webex/pages/popup.tsx:256
 #, fuzzy, c-format
 msgid "You have no balance to show. Need some %1$s getting started?"
 msgstr ""
 "Du har ingen balans att visa. Behöver du\n"
 " %1$s att börja?\n"
 
-#: src/webex/pages/popup.tsx:270
+#: src/webex/pages/popup.tsx:273
 #, fuzzy, c-format
 msgid "%1$s incoming"
 msgstr "%1$s inkommande"
 
-#: src/webex/pages/popup.tsx:283
+#: src/webex/pages/popup.tsx:286
 #, c-format
 msgid "%1$s being spent"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:310
+#: src/webex/pages/popup.tsx:313
 #, c-format
 msgid "Error: could not retrieve balance information."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:337
+#: src/webex/pages/popup.tsx:340
 #, c-format
 msgid "Payback"
 msgstr "Återbetalning"
 
-#: src/webex/pages/popup.tsx:338
+#: src/webex/pages/popup.tsx:341
 #, c-format
 msgid "Return Electronic Cash to Bank Account"
 msgstr "Återlämna elektroniska pengar till bank konto"
 
-#: src/webex/pages/popup.tsx:339
+#: src/webex/pages/popup.tsx:342
 #, c-format
 msgid "Manage Trusted Auditors and Exchanges"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:351
+#: src/webex/pages/popup.tsx:354
 #, c-format
 msgid "Bank requested reserve (%1$s) for %2$s."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:361
+#: src/webex/pages/popup.tsx:364
 #, c-format
 msgid "Started to withdraw %1$s from %2$s (%3$s)."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:370
+#: src/webex/pages/popup.tsx:373
 #, fuzzy, c-format
 msgid "Merchant %1$s offered contract %2$s."
 msgstr "Säljaren %1$s erbjöd kontrakt %2$s.\n"
 
-#: src/webex/pages/popup.tsx:381
+#: src/webex/pages/popup.tsx:384
 #, c-format
 msgid "Withdrew %1$s from %2$s (%3$s)."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:391
+#: src/webex/pages/popup.tsx:394
 #, c-format
 msgid "Paid %1$s to merchant %2$s. %3$s (%4$s)"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:401
+#: src/webex/pages/popup.tsx:404
 #, fuzzy, c-format
 msgid "Merchant %1$s gave a refund over %2$s."
 msgstr "Säljaren %1$sgav en återbetalning på %2$s.\n"
 
-#: src/webex/pages/popup.tsx:411
+#: src/webex/pages/popup.tsx:414
 #, c-format
 msgid "tip"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:415
+#: src/webex/pages/popup.tsx:418
 #, fuzzy, c-format
 msgid "Merchant %1$s gave a %2$s of %3$s."
 msgstr "Säljaren %1$sgav en återbetalning på %2$s.\n"
 
-#: src/webex/pages/popup.tsx:419
+#: src/webex/pages/popup.tsx:422
 #, c-format
 msgid "You did not accept the tip yet."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:424
+#: src/webex/pages/popup.tsx:427
 #, c-format
 msgid "Unknown event (%1$s)"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:467
+#: src/webex/pages/popup.tsx:470
 #, c-format
 msgid "Error: could not retrieve event history"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:492
+#: src/webex/pages/popup.tsx:495
 #, c-format
 msgid "Your wallet has no events recorded."
 msgstr "plånboken"
diff --git a/src/i18n/taler-wallet-webex.pot b/src/i18n/taler-wallet-webex.pot
index 7f9fc14cf..f097767a8 100644
--- a/src/i18n/taler-wallet-webex.pot
+++ b/src/i18n/taler-wallet-webex.pot
@@ -27,28 +27,38 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
-#: src/webex/pages/confirm-contract.tsx:76
+#: src/webex/pages/benchmark.tsx:58
+#, c-format
+msgid "Operation"
+msgstr ""
+
+#: src/webex/pages/benchmark.tsx:59
+#, c-format
+msgid "time (ms/op)"
+msgstr ""
+
+#: src/webex/pages/confirm-contract.tsx:78
 #, c-format
 msgid "show more details"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:90
+#: src/webex/pages/confirm-contract.tsx:92
 #, c-format
 msgid "Accepted exchanges:"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:95
+#: src/webex/pages/confirm-contract.tsx:97
 #, c-format
 msgid "Exchanges in the wallet:"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:217
+#: src/webex/pages/confirm-contract.tsx:219
 #, c-format
 msgid "You have insufficient funds of the requested currency in your wallet."
 msgstr ""
 
 #. tslint:disable-next-line:max-line-length
-#: src/webex/pages/confirm-contract.tsx:219
+#: src/webex/pages/confirm-contract.tsx:221
 #, c-format
 msgid ""
 "You do not have any funds from an exchange that is accepted by this "
@@ -56,54 +66,54 @@ msgid ""
 "wallet."
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:320
+#: src/webex/pages/confirm-contract.tsx:322
 #, c-format
 msgid "Confirm payment"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:330
+#: src/webex/pages/confirm-contract.tsx:332
 #, c-format
 msgid "Submitting payment"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:341
+#: src/webex/pages/confirm-contract.tsx:343
 #, c-format
 msgid ""
 "You already paid for this, clicking \"Confirm payment\" will not cost money "
 "again."
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:355
+#: src/webex/pages/confirm-contract.tsx:357
 #, c-format
 msgid "Aborting payment ..."
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:357
+#: src/webex/pages/confirm-contract.tsx:359
 #, c-format
 msgid "Payment aborted!"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:360
+#: src/webex/pages/confirm-contract.tsx:362
 #, c-format
 msgid "Retry Payment"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:363
+#: src/webex/pages/confirm-contract.tsx:365
 #, c-format
 msgid "Abort Payment"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:372
+#: src/webex/pages/confirm-contract.tsx:374
 #, c-format
 msgid "The merchant %1$s offers you to purchase:"
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:381
+#: src/webex/pages/confirm-contract.tsx:383
 #, c-format
 msgid "The total price is %1$s (plus %2$s fees)."
 msgstr ""
 
-#: src/webex/pages/confirm-contract.tsx:385
+#: src/webex/pages/confirm-contract.tsx:387
 #, c-format
 msgid "The total price is %1$s."
 msgstr ""
@@ -230,117 +240,117 @@ msgstr ""
 msgid "Fatal error: \"%1$s\"."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:162
+#: src/webex/pages/popup.tsx:165
 #, c-format
 msgid "Balance"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:165
+#: src/webex/pages/popup.tsx:168
 #, c-format
 msgid "History"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:168
+#: src/webex/pages/popup.tsx:171
 #, c-format
 msgid "Debug"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:248
+#: src/webex/pages/popup.tsx:251
 #, c-format
 msgid "help"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:253
+#: src/webex/pages/popup.tsx:256
 #, c-format
 msgid "You have no balance to show. Need some %1$s getting started?"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:270
+#: src/webex/pages/popup.tsx:273
 #, c-format
 msgid "%1$s incoming"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:283
+#: src/webex/pages/popup.tsx:286
 #, c-format
 msgid "%1$s being spent"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:310
+#: src/webex/pages/popup.tsx:313
 #, c-format
 msgid "Error: could not retrieve balance information."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:337
+#: src/webex/pages/popup.tsx:340
 #, c-format
 msgid "Payback"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:338
+#: src/webex/pages/popup.tsx:341
 #, c-format
 msgid "Return Electronic Cash to Bank Account"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:339
+#: src/webex/pages/popup.tsx:342
 #, c-format
 msgid "Manage Trusted Auditors and Exchanges"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:351
+#: src/webex/pages/popup.tsx:354
 #, c-format
 msgid "Bank requested reserve (%1$s) for %2$s."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:361
+#: src/webex/pages/popup.tsx:364
 #, c-format
 msgid "Started to withdraw %1$s from %2$s (%3$s)."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:370
+#: src/webex/pages/popup.tsx:373
 #, c-format
 msgid "Merchant %1$s offered contract %2$s."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:381
+#: src/webex/pages/popup.tsx:384
 #, c-format
 msgid "Withdrew %1$s from %2$s (%3$s)."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:391
+#: src/webex/pages/popup.tsx:394
 #, c-format
 msgid "Paid %1$s to merchant %2$s. %3$s (%4$s)"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:401
+#: src/webex/pages/popup.tsx:404
 #, c-format
 msgid "Merchant %1$s gave a refund over %2$s."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:411
+#: src/webex/pages/popup.tsx:414
 #, c-format
 msgid "tip"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:415
+#: src/webex/pages/popup.tsx:418
 #, c-format
 msgid "Merchant %1$s gave a %2$s of %3$s."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:419
+#: src/webex/pages/popup.tsx:422
 #, c-format
 msgid "You did not accept the tip yet."
 msgstr ""
 
-#: src/webex/pages/popup.tsx:424
+#: src/webex/pages/popup.tsx:427
 #, c-format
 msgid "Unknown event (%1$s)"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:467
+#: src/webex/pages/popup.tsx:470
 #, c-format
 msgid "Error: could not retrieve event history"
 msgstr ""
 
-#: src/webex/pages/popup.tsx:492
+#: src/webex/pages/popup.tsx:495
 #, c-format
 msgid "Your wallet has no events recorded."
 msgstr ""