More typescript.

extension/background/emscriptif.js

@@ -127,7 +127,8 @@ class Amount extends ArenaObject {
      * Perform saturating subtraction on amounts.
      */
     sub(a) {
-        let res = emsc.amount_subtract(this.nativePtr, a.nativePtr, this.nativePtr);
+        // this = this - a
+        let res = emsc.amount_subtract(this.nativePtr, this.nativePtr, a.nativePtr);
         if (res == 0) {
             // Underflow
             return false;
@@ -135,7 +136,7 @@ class Amount extends ArenaObject {
         if (res > 0) {
             return true;
         }
-        throw "Incompatible currencies";
+        throw Error("Incompatible currencies");
     }
     cmp(a) {
         return emsc.amount_cmp(this.nativePtr, a.nativePtr);
@@ -256,7 +257,7 @@ class SignatureStruct {
             let name = f[0];
             let member = this.members[name];
             if (!member) {
-                throw { error: "Member not set", key: name };
+                throw Error(format("Member {0} not set", name));
             }
             totalSize += this.members[name].size();
         }

extension/background/emscriptif.ts

@@ -19,6 +19,7 @@
 
 declare var Module : any;
 
+
 // Size of a native pointer.
 const PTR_SIZE = 4;
 
@@ -202,7 +203,8 @@ class Amount extends ArenaObject {
    * Perform saturating subtraction on amounts.
    */
   sub(a) {
-    let res = emsc.amount_subtract(this.nativePtr, a.nativePtr, this.nativePtr);
+    // this = this - a
+    let res = emsc.amount_subtract(this.nativePtr, this.nativePtr, a.nativePtr);
     if (res == 0) {
       // Underflow
       return false;
@@ -210,7 +212,7 @@ class Amount extends ArenaObject {
     if (res > 0) {
       return true;
     }
-    throw "Incompatible currencies";
+    throw Error("Incompatible currencies");
   }
 
   cmp(a) {
@@ -365,7 +367,7 @@ abstract class SignatureStruct {
       let name = f[0];
       let member = this.members[name];
       if (!member) {
-        throw {error: "Member not set", key: name};
+        throw Error(format("Member {0} not set", name));
       }
       totalSize += this.members[name].size();
     }

extension/background/wallet.js

@@ -107,8 +107,11 @@ function confirmReserve(db, detail, sendResponse) {
 function copy(o) {
     return JSON.parse(JSON.stringify(o));
 }
-function rankDenom(o1, o2) {
-    return (-1) * o1.cmp(o2);
+function rankDenom(denom1, denom2) {
+    // Slow ... we should find a better way than to convert it evert time.
+    let v1 = new Amount(denom1.value);
+    let v2 = new Amount(denom2.value);
+    return (-1) * v1.cmp(v2);
 }
 function withdraw(denom, reserve, mint) {
     let wd = {
@@ -128,6 +131,7 @@ function withdraw(denom, reserve, mint) {
     // Signature
     let withdrawRequest = new WithdrawRequestPS();
     withdrawRequest.set("reserve_pub", reservePub);
+    // ...
     var sig = eddsaSign(withdrawRequest.toPurpose(), reservePriv);
 }
 /**
@@ -140,13 +144,14 @@ function depleteReserve(db, reserve, mint) {
     for (let i = 0; i < 1000; i++) {
         let found = false;
         for (let d of denoms) {
-            let cost = new Amount();
-            cost.add(new Amount(d.value));
+            let cost = new Amount(d.value);
             cost.add(new Amount(d.fee_withdraw));
             if (remaining.cmp(cost) < 0) {
                 continue;
             }
             found = true;
+            console.log("Subbing " + JSON.stringify(remaining.toJson()));
+            console.log("With " + JSON.stringify(cost.toJson()));
             remaining.sub(cost);
             withdraw(d, reserve, mint);
         }
@@ -159,10 +164,10 @@ function updateReserve(db, reservePub, mint) {
     let reserve;
     return new Promise((resolve, reject) => {
         let tx = db.transaction(['reserves']);
-        tx.objectStore('reserves').get(reservePub).onsuccess = (e) => {
+        tx.objectStore('reserves').get(reservePub.stringEncode()).onsuccess = (e) => {
             let reserve = e.target.result;
             let reqUrl = URI("reserve/status").absoluteTo(mint.baseUrl);
-            reqUrl.query({ 'reserve_pub': reservePub });
+            reqUrl.query({ 'reserve_pub': reservePub.stringEncode() });
             let myRequest = new XMLHttpRequest();
             console.log("making request to " + reqUrl.href());
             myRequest.open('get', reqUrl.href());

extension/background/wallet.ts

@@ -118,8 +118,11 @@ function copy(o) {
 }
 
 
-function rankDenom(o1: Amount, o2: Amount) {
-  return (-1) * o1.cmp(o2);
+function rankDenom(denom1: any, denom2: any) {
+  // Slow ... we should find a better way than to convert it evert time.
+  let v1 = new Amount(denom1.value);
+  let v2 = new Amount(denom2.value);
+  return (-1) * v1.cmp(v2);
 }
 
 
@@ -141,6 +144,7 @@ function withdraw(denom, reserve, mint) {
   // Signature
   let withdrawRequest = new WithdrawRequestPS();
   withdrawRequest.set("reserve_pub", reservePub);
+  // ...
   var sig = eddsaSign(withdrawRequest.toPurpose(), reservePriv);
 }
 
@@ -155,13 +159,14 @@ function depleteReserve(db, reserve, mint) {
   for (let i = 0; i < 1000; i++) {
     let found = false;
     for (let d of denoms) {
-      let cost = new Amount();
-      cost.add(new Amount(d.value));
+      let cost = new Amount(d.value);
       cost.add(new Amount(d.fee_withdraw));
       if (remaining.cmp(cost) < 0) {
         continue;
       }
       found = true;
+      console.log("Subbing " + JSON.stringify(remaining.toJson()));
+      console.log("With " + JSON.stringify(cost.toJson()));
       remaining.sub(cost);
       withdraw(d, reserve, mint);
     }
@@ -173,14 +178,14 @@ function depleteReserve(db, reserve, mint) {
 }
 
 
-function updateReserve(db, reservePub, mint) {
+function updateReserve(db, reservePub: EddsaPublicKey, mint) {
   let reserve;
   return new Promise((resolve, reject) => {
     let tx = db.transaction(['reserves']);
-    tx.objectStore('reserves').get(reservePub).onsuccess = (e) => {
+    tx.objectStore('reserves').get(reservePub.stringEncode()).onsuccess = (e) => {
       let reserve = e.target.result;
       let reqUrl = URI("reserve/status").absoluteTo(mint.baseUrl);
-      reqUrl.query({'reserve_pub': reservePub});
+      reqUrl.query({'reserve_pub': reservePub.stringEncode()});
       let myRequest = new XMLHttpRequest();
       console.log("making request to " + reqUrl.href());
       myRequest.open('get', reqUrl.href());

extension/lib/util.js

@@ -1,112 +1,30 @@
 'use strict';
-
-/**
- * Format amount as String.
- *
- * @param amount
- *        Amount to be formatted.
- *
- * @return String, e.g. "1.23"
- */
-function amount_format (amount)
-{
-  let separator = "." // FIXME: depends on locale
-  return amount.value + separator + amount.fraction.toString().replace(/0+$/, "");
-}
-
-
 /**
  * Parse an amount that is specified like '5.42 EUR'.
  * Returns a {currency,value,fraction} object or null
  * if the input is invalid.
  */
 function amount_parse_pretty(s) {
-  let pattern = /(\d+)(.\d+)?\s*([a-zA-Z]+)/;
-  let matches = pattern.exec(s);
-  if (null == matches) {
-    return null;
-  }
-  return {
-    // Always succeeds due to regex
-    value: parseInt(matches[1]),
-    // Should we warn / fail on lost precision?
-    fraction: Math.round(parseFloat(matches[2] || 0) * 1000000),
-    currency: matches[3],
-  };
-}
-
-
-/**
- * Format amount with currency as String.
- *
- * @param amount
- *        Amount to be formatted.
- *
- * @return String, e.g. "1.23 EUR"
- */
-function amount_format_currency (amount)
-{
-  return amount_format(amount) + " " + amount.currency;
-}
-
-
-/**
- * Convert Date to String.
- *
- * Format: YYYY-MM-DD HH:mm
- *
- * @param date
- *        Date to be converted.
- *
- * @return String
- */
-function date_format (date)
-{
-  function pad (number) {
-    if (number < 10) {
-      return '0' + number;
+    let pattern = /(\d+)(.\d+)?\s*([a-zA-Z]+)/;
+    let matches = pattern.exec(s);
+    if (null == matches) {
+        return null;
     }
-    return number;
-  }
-
-  return date.getUTCFullYear() +
-    '-' + pad(date.getUTCMonth() + 1) +
-    '-' + pad(date.getUTCDate()) +
-    ' ' + pad(date.getUTCHours()) +
-    ':' + pad(date.getUTCMinutes());
-  //':' + pad(date.getUTCSeconds());
+    return {
+        // Always succeeds due to regex
+        value: parseInt(matches[1]),
+        // Should we warn / fail on lost precision?
+        fraction: Math.round(parseFloat(matches[2] || "0") * 1000000),
+        currency: matches[3],
+    };
 }
-
-
-/**
- * Send HTTP request.
- *
- * @param method
- *        HTTP method.
- * @param url
- *        URL to send to.
- * @param content
- *        Content of request.
- * @param content_type
- *        Content-Type HTTP header.
- * @param onsuccess
- *        Function called by XMLHttpRequest on success.
- * @param onerror
- *        Function called by XMLHttpRequest on error.
- *
- */
-function http_req (method, url, content, content_type, onsuccess, onerror) {
-  var req = new XMLHttpRequest();
-
-  req.onload = function(mintEvt) {
-    if (req.readyState == 4)
-      onsuccess(req.status, req.responseText);
-  };
-
-  req.onerror = onerror;
-  req.open(method, url, true);
-  req.setRequestHeader('Content-Type', content_type);
-  req.send(content);
-
-  return req;
+function format(s, ...args) {
+    function r(m, n) {
+        let i = parseInt(n);
+        return args[i];
+    }
+    s = s.replace(/{{/g, '{');
+    s = s.replace(/}}/g, '}');
+    s = s.replace(/{([0-9]+)}/g, r);
+    return s;
 }

extension/lib/util.ts

@@ -0,0 +1,34 @@
+'use strict';
+
+/**
+ * Parse an amount that is specified like '5.42 EUR'.
+ * Returns a {currency,value,fraction} object or null
+ * if the input is invalid.
+ */
+function amount_parse_pretty(s) {
+  let pattern = /(\d+)(.\d+)?\s*([a-zA-Z]+)/;
+  let matches = pattern.exec(s);
+  if (null == matches) {
+    return null;
+  }
+  return {
+    // Always succeeds due to regex
+    value: parseInt(matches[1]),
+    // Should we warn / fail on lost precision?
+    fraction: Math.round(parseFloat(matches[2] || "0") * 1000000),
+    currency: matches[3],
+  };
+}
+
+
+function format(s: string, ...args: any[]) {
+  function r(m, n) {
+    let i = parseInt(n);
+    return args[i];
+  }
+  s = s.replace(/{{/g, '{');
+  s = s.replace(/}}/g, '}');
+  s = s.replace(/{([0-9]+)}/g, r);
+  return s;
+}
+

extension/tsconfig.json

@@ -4,6 +4,7 @@
     },
     "files": [
       "background/wallet.ts",
-      "background/emscriptif.ts"
+      "background/emscriptif.ts",
+      "lib/util.ts"
     ]
 }