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Add types, simplify balance display.

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This commit is contained in:
Florian Dold 2015-12-17 13:30:34 +01:00
parent c3a9888dfe
commit b93638b693
10 changed files with 129 additions and 112 deletions
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7
extension/background/emscriptif.js
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@ -284,6 +284,13 @@ class RsaBlindingKey extends ArenaObject {
o.nativePtr = emscAlloc.rsa_blinding_key_create(len); o.nativePtr = emscAlloc.rsa_blinding_key_create(len);
return o; return o;
} }
static fromCrock(s, a) {
let obj = new this(a);
let buf = ByteArray.fromCrock(s);
obj.setNative(emscAlloc.rsa_blinding_key_decode(buf.getNative(), buf.size()));
buf.destroy();
return obj;
}
toCrock() { toCrock() {
let ptr = emscAlloc.malloc(PTR_SIZE); let ptr = emscAlloc.malloc(PTR_SIZE);
let size = emscAlloc.rsa_blinding_key_encode(this.nativePtr, ptr); let size = emscAlloc.rsa_blinding_key_encode(this.nativePtr, ptr);

8
extension/background/emscriptif.ts
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@ -416,12 +416,20 @@ class EddsaPublicKey extends PackedArenaObject {
} }
class RsaBlindingKey extends ArenaObject { class RsaBlindingKey extends ArenaObject {
static create(len: number, a?: Arena) { static create(len: number, a?: Arena) {
let o = new RsaBlindingKey(a); let o = new RsaBlindingKey(a);
o.nativePtr = emscAlloc.rsa_blinding_key_create(len); o.nativePtr = emscAlloc.rsa_blinding_key_create(len);
return o; return o;
} }
static fromCrock(s: string, a?: Arena): RsaBlindingKey {
let obj = new this(a);
let buf = ByteArray.fromCrock(s);
obj.setNative(emscAlloc.rsa_blinding_key_decode(buf.getNative(), buf.size()));
buf.destroy();
return obj;
}
toCrock(): string { toCrock(): string {
let ptr = emscAlloc.malloc(PTR_SIZE); let ptr = emscAlloc.malloc(PTR_SIZE);

47
extension/background/wallet.js
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@ -24,15 +24,18 @@ function openTalerDb() {
db.createObjectStore("mints", { keyPath: "baseUrl" }); db.createObjectStore("mints", { keyPath: "baseUrl" });
db.createObjectStore("reserves", { keyPath: "reserve_pub" }); db.createObjectStore("reserves", { keyPath: "reserve_pub" });
db.createObjectStore("denoms", { keyPath: "denomPub" }); db.createObjectStore("denoms", { keyPath: "denomPub" });
db.createObjectStore("coins", { keyPath: "coinPub" }); let coins = db.createObjectStore("coins", { keyPath: "coinPub" });
db.createObjectStore("withdrawals", { keyPath: "id", autoIncrement: true }); coins.createIndex("mintBaseUrl", "mintBaseUrl");
db.createObjectStore("transactions", { keyPath: "id", autoIncrement: true }); db.createObjectStore("transactions", { keyPath: "contractHash" });
db.createObjectStore("precoins", { keyPath: "coinPub", autoIncrement: true }); db.createObjectStore("precoins", { keyPath: "coinPub", autoIncrement: true });
break; break;
} }
}; };
}); });
} }
/**
* See http://api.taler.net/wallet.html#general
*/
function canonicalizeBaseUrl(url) { function canonicalizeBaseUrl(url) {
let x = new URI(url); let x = new URI(url);
if (!x.protocol()) { if (!x.protocol()) {
@ -43,8 +46,24 @@ function canonicalizeBaseUrl(url) {
x.query(); x.query();
return x.href(); return x.href();
} }
function grantCoins(db, feeThreshold, paymentAmount, mintBaseUrl) {
throw "not implemented";
}
function confirmPay(db, detail, sendResponse) {
console.log("confirmPay", JSON.stringify(detail));
let tx = db.transaction(['transactions'], 'readwrite');
let trans = {
contractHash: detail.offer.H_contract,
contract: detail.offer.contract,
sig: detail.offer
};
let contract = detail.offer.contract;
//let chosenCoinPromise = chooseCoins(db, contract.max_fee, contract.amount)
// .then(x => generateDepositPermissions(db, x))
// .then(executePayment);
return true;
}
function confirmReserve(db, detail, sendResponse) { function confirmReserve(db, detail, sendResponse) {
console.log('detail: ' + JSON.stringify(detail));
let reservePriv = EddsaPrivateKey.create(); let reservePriv = EddsaPrivateKey.create();
let reservePub = reservePriv.getPublicKey(); let reservePub = reservePriv.getPublicKey();
let form = new FormData(); let form = new FormData();
@ -114,11 +133,8 @@ function rankDenom(denom1, denom2) {
return (-1) * v1.cmp(v2); return (-1) * v1.cmp(v2);
} }
function withdrawPrepare(db, denom, reserve) { function withdrawPrepare(db, denom, reserve) {
console.log("in withdraw prepare");
let reservePriv = new EddsaPrivateKey(); let reservePriv = new EddsaPrivateKey();
console.log("loading reserve priv", reserve.reserve_priv);
reservePriv.loadCrock(reserve.reserve_priv); reservePriv.loadCrock(reserve.reserve_priv);
console.log("reserve priv is", reservePriv.toCrock());
let reservePub = new EddsaPublicKey(); let reservePub = new EddsaPublicKey();
reservePub.loadCrock(reserve.reserve_pub); reservePub.loadCrock(reserve.reserve_pub);
let denomPub = RsaPublicKey.fromCrock(denom.denom_pub); let denomPub = RsaPublicKey.fromCrock(denom.denom_pub);
@ -126,9 +142,7 @@ function withdrawPrepare(db, denom, reserve) {
let coinPub = coinPriv.getPublicKey(); let coinPub = coinPriv.getPublicKey();
let blindingFactor = RsaBlindingKey.create(1024); let blindingFactor = RsaBlindingKey.create(1024);
let pubHash = coinPub.hash(); let pubHash = coinPub.hash();
console.log("about to blind");
let ev = rsaBlind(pubHash, blindingFactor, denomPub); let ev = rsaBlind(pubHash, blindingFactor, denomPub);
console.log("blinded");
if (!denom.fee_withdraw) { if (!denom.fee_withdraw) {
throw Error("Field fee_withdraw missing"); throw Error("Field fee_withdraw missing");
} }
@ -153,8 +167,10 @@ function withdrawPrepare(db, denom, reserve) {
coinPub: coinPub.toCrock(), coinPub: coinPub.toCrock(),
coinPriv: coinPriv.toCrock(), coinPriv: coinPriv.toCrock(),
denomPub: denomPub.encode().toCrock(), denomPub: denomPub.encode().toCrock(),
mintBaseUrl: reserve.mintBaseUrl,
withdrawSig: sig.toCrock(), withdrawSig: sig.toCrock(),
coinEv: ev.toCrock() coinEv: ev.toCrock(),
coinValue: denom.value
}; };
console.log("storing precoin", JSON.stringify(preCoin)); console.log("storing precoin", JSON.stringify(preCoin));
let tx = db.transaction(['precoins'], 'readwrite'); let tx = db.transaction(['precoins'], 'readwrite');
@ -197,15 +213,13 @@ function withdrawExecute(db, pc) {
console.log("Withdrawal successful"); console.log("Withdrawal successful");
console.log(myRequest.responseText); console.log(myRequest.responseText);
let resp = JSON.parse(myRequest.responseText); let resp = JSON.parse(myRequest.responseText);
//let denomSig = rsaUnblind(RsaSignature.fromCrock(resp.coin_ev), let denomSig = rsaUnblind(RsaSignature.fromCrock(resp.coin_ev), RsaBlindingKey.fromCrock(pc.blindingKey), RsaPublicKey.fromCrock(pc.denomPub));
// RsaBlindingKey.fromCrock(pc.blindingKey),
// RsaPublicKey.fromCrock(pc.denomPub));
let coin = { let coin = {
coinPub: pc.coinPub, coinPub: pc.coinPub,
coinPriv: pc.coinPriv, coinPriv: pc.coinPriv,
denomPub: pc.denomPub, denomPub: pc.denomPub,
reservePub: pc.reservePub, denomSig: denomSig.encode().toCrock(),
denomSig: "foo" //denomSig.encode().toCrock() currentAmount: pc.coinValue
}; };
console.log("unblinded coin"); console.log("unblinded coin");
resolve(coin); resolve(coin);
@ -442,6 +456,7 @@ openTalerDb().then((db) => {
chrome.runtime.onMessage.addListener(function (req, sender, onresponse) { chrome.runtime.onMessage.addListener(function (req, sender, onresponse) {
let dispatch = { let dispatch = {
"confirm-reserve": confirmReserve, "confirm-reserve": confirmReserve,
"confirm-pay": confirmPay,
"dump-db": dumpDb, "dump-db": dumpDb,
"balances": balances, "balances": balances,
"reset": reset "reset": reset
@ -449,7 +464,7 @@ openTalerDb().then((db) => {
if (req.type in dispatch) { if (req.type in dispatch) {
return dispatch[req.type](db, req.detail, onresponse); return dispatch[req.type](db, req.detail, onresponse);
} }
console.error(format("Request type unknown, req {0}", JSON.stringify(req))); console.error(format("Request type {1} unknown, req {0}", JSON.stringify(req), req.type));
return false; return false;
}); });
}); });

79
extension/background/wallet.ts
View File

@ -27,9 +27,9 @@ function openTalerDb(): Promise<IDBDatabase> {
db.createObjectStore("mints", { keyPath: "baseUrl" }); db.createObjectStore("mints", { keyPath: "baseUrl" });
db.createObjectStore("reserves", { keyPath: "reserve_pub"}); db.createObjectStore("reserves", { keyPath: "reserve_pub"});
db.createObjectStore("denoms", { keyPath: "denomPub" }); db.createObjectStore("denoms", { keyPath: "denomPub" });
db.createObjectStore("coins", { keyPath: "coinPub" }); let coins = db.createObjectStore("coins", { keyPath: "coinPub" });
db.createObjectStore("withdrawals", { keyPath: "id", autoIncrement: true }); coins.createIndex("mintBaseUrl", "mintBaseUrl");
db.createObjectStore("transactions", { keyPath: "id", autoIncrement: true }); db.createObjectStore("transactions", { keyPath: "contractHash" });
db.createObjectStore("precoins", { keyPath: "coinPub", autoIncrement: true }); db.createObjectStore("precoins", { keyPath: "coinPub", autoIncrement: true });
break; break;
} }
@ -38,6 +38,9 @@ function openTalerDb(): Promise<IDBDatabase> {
} }
/**
* See http://api.taler.net/wallet.html#general
*/
function canonicalizeBaseUrl(url) { function canonicalizeBaseUrl(url) {
let x = new URI(url); let x = new URI(url);
if (!x.protocol()) { if (!x.protocol()) {
@ -49,9 +52,39 @@ function canonicalizeBaseUrl(url) {
return x.href() return x.href()
} }
interface ConfirmPayRequest {
offer: any;
selectedMint: any;
}
function grantCoins(db: IDBDatabase,
feeThreshold: AmountJson,
paymentAmount: AmountJson,
mintBaseUrl: string): Promise<any> {
throw "not implemented";
}
function confirmPay(db, detail: ConfirmPayRequest, sendResponse) {
console.log("confirmPay", JSON.stringify(detail));
let tx = db.transaction(['transactions'], 'readwrite');
let trans = {
contractHash: detail.offer.H_contract,
contract: detail.offer.contract,
sig: detail.offer
}
let contract = detail.offer.contract;
//let chosenCoinPromise = chooseCoins(db, contract.max_fee, contract.amount)
// .then(x => generateDepositPermissions(db, x))
// .then(executePayment);
return true;
}
function confirmReserve(db, detail, sendResponse) { function confirmReserve(db, detail, sendResponse) {
console.log('detail: ' + JSON.stringify(detail));
let reservePriv = EddsaPrivateKey.create(); let reservePriv = EddsaPrivateKey.create();
let reservePub = reservePriv.getPublicKey(); let reservePub = reservePriv.getPublicKey();
let form = new FormData(); let form = new FormData();
@ -136,7 +169,8 @@ interface AmountJson {
interface Denomination { interface Denomination {
value: AmountJson; value: AmountJson;
denomPub: string; denom_pub: string;
fee_withdraw: AmountJson;
} }
interface PreCoin { interface PreCoin {
@ -147,24 +181,25 @@ interface PreCoin {
blindingKey: string; blindingKey: string;
withdrawSig: string; withdrawSig: string;
coinEv: string; coinEv: string;
mintBaseUrl: string;
coinValue: AmountJson;
} }
interface Coin { interface Coin {
coinPub: string; coinPub: string;
coinPriv: string; coinPriv: string;
reservePub: string;
denomPub: string; denomPub: string;
denomSig: string; denomSig: string;
currentAmount: AmountJson;
} }
function withdrawPrepare(db: IDBDatabase, denom, reserve): Promise<PreCoin> { function withdrawPrepare(db: IDBDatabase,
console.log("in withdraw prepare"); denom: Denomination,
reserve): Promise<PreCoin> {
let reservePriv = new EddsaPrivateKey(); let reservePriv = new EddsaPrivateKey();
console.log("loading reserve priv", reserve.reserve_priv);
reservePriv.loadCrock(reserve.reserve_priv); reservePriv.loadCrock(reserve.reserve_priv);
console.log("reserve priv is", reservePriv.toCrock());
let reservePub = new EddsaPublicKey(); let reservePub = new EddsaPublicKey();
reservePub.loadCrock(reserve.reserve_pub); reservePub.loadCrock(reserve.reserve_pub);
let denomPub = RsaPublicKey.fromCrock(denom.denom_pub); let denomPub = RsaPublicKey.fromCrock(denom.denom_pub);
@ -172,9 +207,7 @@ function withdrawPrepare(db: IDBDatabase, denom, reserve): Promise<PreCoin> {
let coinPub = coinPriv.getPublicKey(); let coinPub = coinPriv.getPublicKey();
let blindingFactor = RsaBlindingKey.create(1024); let blindingFactor = RsaBlindingKey.create(1024);
let pubHash: HashCode = coinPub.hash(); let pubHash: HashCode = coinPub.hash();
console.log("about to blind");
let ev: ByteArray = rsaBlind(pubHash, blindingFactor, denomPub); let ev: ByteArray = rsaBlind(pubHash, blindingFactor, denomPub);
console.log("blinded");
if (!denom.fee_withdraw) { if (!denom.fee_withdraw) {
throw Error("Field fee_withdraw missing"); throw Error("Field fee_withdraw missing");
@ -205,8 +238,10 @@ function withdrawPrepare(db: IDBDatabase, denom, reserve): Promise<PreCoin> {
coinPub: coinPub.toCrock(), coinPub: coinPub.toCrock(),
coinPriv: coinPriv.toCrock(), coinPriv: coinPriv.toCrock(),
denomPub: denomPub.encode().toCrock(), denomPub: denomPub.encode().toCrock(),
mintBaseUrl: reserve.mintBaseUrl,
withdrawSig: sig.toCrock(), withdrawSig: sig.toCrock(),
coinEv: ev.toCrock() coinEv: ev.toCrock(),
coinValue: denom.value
}; };
console.log("storing precoin", JSON.stringify(preCoin)); console.log("storing precoin", JSON.stringify(preCoin));
@ -254,15 +289,15 @@ function withdrawExecute(db, pc: PreCoin): Promise<Coin> {
console.log("Withdrawal successful"); console.log("Withdrawal successful");
console.log(myRequest.responseText); console.log(myRequest.responseText);
let resp = JSON.parse(myRequest.responseText); let resp = JSON.parse(myRequest.responseText);
//let denomSig = rsaUnblind(RsaSignature.fromCrock(resp.coin_ev), let denomSig = rsaUnblind(RsaSignature.fromCrock(resp.coin_ev),
// RsaBlindingKey.fromCrock(pc.blindingKey), RsaBlindingKey.fromCrock(pc.blindingKey),
// RsaPublicKey.fromCrock(pc.denomPub)); RsaPublicKey.fromCrock(pc.denomPub));
let coin: Coin = { let coin: Coin = {
coinPub: pc.coinPub, coinPub: pc.coinPub,
coinPriv: pc.coinPriv, coinPriv: pc.coinPriv,
denomPub: pc.denomPub, denomPub: pc.denomPub,
reservePub: pc.reservePub, denomSig: denomSig.encode().toCrock(),
denomSig: "foo" //denomSig.encode().toCrock() currentAmount: pc.coinValue
} }
console.log("unblinded coin"); console.log("unblinded coin");
resolve(coin); resolve(coin);
@ -505,7 +540,7 @@ function balances(db, detail, sendResponse) {
sendResponse(byCurrency); sendResponse(byCurrency);
console.log("response", JSON.stringify(byCurrency)); console.log("response", JSON.stringify(byCurrency));
} }
} };
return true; return true;
} }
@ -517,15 +552,15 @@ openTalerDb().then((db) => {
function (req, sender, onresponse) { function (req, sender, onresponse) {
let dispatch = { let dispatch = {
"confirm-reserve": confirmReserve, "confirm-reserve": confirmReserve,
"confirm-pay": confirmPay,
"dump-db": dumpDb, "dump-db": dumpDb,
"balances": balances, "balances": balances,
"reset": reset "reset": reset
} };
if (req.type in dispatch) { if (req.type in dispatch) {
return dispatch[req.type](db, req.detail, onresponse); return dispatch[req.type](db, req.detail, onresponse);
} }
console.error(format("Request type unknown, req {0}", JSON.stringify(req))); console.error(format("Request type {1} unknown, req {0}", JSON.stringify(req), req.type));
return false; return false;
}); });
}); });

4
extension/content_scripts/notify.js
View File

@ -44,10 +44,10 @@ document.addEventListener("DOMContentLoaded", function(e) {
}); });
document.body.addEventListener('taler-contract', function(e) { document.body.addEventListener('taler-contract', function(e) {
// XXX: the merchant should just give us the parsed data ... // XXX: the merchant should just give us the parsed data ...
let contract = JSON.parse(e.detail); let offer = JSON.parse(e.detail);
let uri = URI(chrome.extension.getURL("pages/confirm-contract.html")); let uri = URI(chrome.extension.getURL("pages/confirm-contract.html"));
let params = { let params = {
contract: JSON.stringify(contract) offer: JSON.stringify(offer)
} }
document.location.href = uri.query(params).href(); document.location.href = uri.query(params).href();
}); });

10
extension/pages/confirm-contract.js
View File

@ -16,15 +16,15 @@ Handlebars.registerHelper('prettyAmount', function (amount) {
return v.toFixed(2) + " " + amount.currency; return v.toFixed(2) + " " + amount.currency;
}); });
document.addEventListener("DOMContentLoaded", (e) => { document.addEventListener("DOMContentLoaded", (e) => {
let contract = JSON.parse(query.contract); let offer = JSON.parse(query.offer);
console.dir(contract); console.dir(offer);
let source = $_("contract-template").innerHTML; let source = $_("contract-template").innerHTML;
let template = Handlebars.compile(source); let template = Handlebars.compile(source);
let html = template(contract.contract); let html = template(offer.contract);
$_("render-contract").innerHTML = html; $_("render-contract").innerHTML = html;
document.getElementById("confirm-purchase").addEventListener("click", (e) => { document.getElementById("confirm-pay").addEventListener("click", (e) => {
let d = clone(query); let d = clone(query);
chrome.runtime.sendMessage({ type: 'confirm-purchase', detail: d }, (resp) => { chrome.runtime.sendMessage({ type: 'confirm-pay', detail: d }, (resp) => {
if (resp.success === true) { if (resp.success === true) {
document.location.href = resp.backlink; document.location.href = resp.backlink;
} }

12
extension/pages/confirm-contract.tsx
View File

@ -24,19 +24,18 @@ Handlebars.registerHelper('prettyAmount', function(amount) {
document.addEventListener("DOMContentLoaded", (e) => { document.addEventListener("DOMContentLoaded", (e) => {
let contract = JSON.parse(query.contract); let offer = JSON.parse(query.offer);
console.dir(contract); console.dir(offer);
let source = $_("contract-template").innerHTML; let source = $_("contract-template").innerHTML;
let template = Handlebars.compile(source); let template = Handlebars.compile(source);
let html = template(contract.contract); let html = template(offer.contract);
$_("render-contract").innerHTML = html; $_("render-contract").innerHTML = html;
document.getElementById("confirm-pay").addEventListener("click", (e) => {
document.getElementById("confirm-purchase").addEventListener("click", (e) => {
let d = clone(query); let d = clone(query);
chrome.runtime.sendMessage({type:'confirm-purchase', detail: d}, (resp) => { chrome.runtime.sendMessage({type:'confirm-pay', detail: d}, (resp) => {
if (resp.success === true) { if (resp.success === true) {
document.location.href = resp.backlink; document.location.href = resp.backlink;
} else { } else {
@ -46,7 +45,6 @@ document.addEventListener("DOMContentLoaded", (e) => {
<pre>${resp.text}</pre>`; <pre>${resp.text}</pre>`;
} }
}); });
}); });
}); });

16
extension/popup/balance-overview.html
View File

@ -10,9 +10,14 @@
<script src="balance-overview.js" type="text/javascript"></script> <script src="balance-overview.js" type="text/javascript"></script>
<script id="balance-template" type="text/x-handlebars-template"> <script id="balance-template" type="text/x-handlebars-template">
{{#each this}} {{#if this.length}}
<p>{{prettyAmountNoCurrency this}} <a>{{@key}}</a></p> {{#each this}}
{{/each}} <p>{{prettyAmountNoCurrency this}} <a>{{@key}}</a></p>
{{/each}}
{{else}}
<p>Looks like your wallet is empty. Want to get some
<a id="link-kudos" href="http://bank.demo.taler.net">KUDOS?</a>
{{/if}}
</script> </script>
</head> </head>
@ -26,11 +31,6 @@
</div> </div>
<div id="content"> <div id="content">
<div id="balance">
<p>Looks like your wallet is empty. Want to get some
<a id="link-kudos" href="http://bank.demo.taler.net">KUDOS?</a>
</p>
</div>
</div> </div>
</body> </body>

28
extension/popup/balance-overview.js
View File

@ -17,31 +17,9 @@ let React = {
document.addEventListener('DOMContentLoaded', (e) => { document.addEventListener('DOMContentLoaded', (e) => {
console.log("content loaded"); console.log("content loaded");
chrome.runtime.sendMessage({ type: "balances" }, function (wallet) { chrome.runtime.sendMessage({ type: "balances" }, function (wallet) {
console.log("got balance"); let context = document.getElementById("balance-template").innerHTML;
let n = 0; let template = Handlebars.compile(context);
let table = React.createElement("div", null); document.getElementById("content").innerHTML = template(wallet);
let source = document.getElementById("balance-template").innerHTML;
console.log("size", Object.keys(wallet).length);
if (Object.keys(wallet).length > 0) {
let template = Handlebars.compile(source);
console.log("wallet ", JSON.stringify(wallet));
let html = template(wallet);
console.log("Hb generated html", html);
table.innerHTML = html;
let p = document.getElementById("content");
p.replaceChild(table, p.firstElementChild);
}
/*
for (let curr in wallet) {
n++;
let x = wallet[curr];
let num = x.value + x.fraction / 10e6;
table.appendChild(<p>{num} <a>{x.currency}</a></p>);
}
if (n != 0) {
let p = document.getElementById("content");
p.replaceChild(table, p.firstElementChild);
} */
}); });
document.getElementById("debug").addEventListener("click", (e) => { document.getElementById("debug").addEventListener("click", (e) => {
chrome.tabs.create({ chrome.tabs.create({

30
extension/popup/balance-overview.tsx
View File

@ -19,33 +19,9 @@ let React = {
document.addEventListener('DOMContentLoaded', (e) => { document.addEventListener('DOMContentLoaded', (e) => {
console.log("content loaded"); console.log("content loaded");
chrome.runtime.sendMessage({type: "balances"}, function(wallet) { chrome.runtime.sendMessage({type: "balances"}, function(wallet) {
console.log("got balance"); let context = document.getElementById("balance-template").innerHTML;
let n = 0; let template = Handlebars.compile(context);
let table = <div />; document.getElementById("content").innerHTML = template(wallet);
let source = document.getElementById("balance-template").innerHTML;
console.log("size", Object.keys(wallet).length);
if (Object.keys(wallet).length > 0){
let template = Handlebars.compile(source);
console.log("wallet ", JSON.stringify(wallet));
let html = template(wallet);
console.log("Hb generated html", html);
table.innerHTML = html;
let p = document.getElementById("content");
p.replaceChild(table, p.firstElementChild);
}
/*
for (let curr in wallet) {
n++;
let x = wallet[curr];
let num = x.value + x.fraction / 10e6;
table.appendChild(<p>{num} <a>{x.currency}</a></p>);
}
if (n != 0) {
let p = document.getElementById("content");
p.replaceChild(table, p.firstElementChild);
} */
}); });
document.getElementById("debug").addEventListener("click", (e) => { document.getElementById("debug").addEventListener("click", (e) => {