98 lines
3.8 KiB
JavaScript
98 lines
3.8 KiB
JavaScript
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ninja.wallets.splitwallet = {
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open: function () {
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document.getElementById("splitarea").style.display = "block";
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secrets.setRNG();
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secrets.init(3);
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},
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close: function () {
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document.getElementById("splitarea").style.display = "none";
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},
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mkOutputRow: function(s,id,lbltxt) {
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var row = document.createElement("span");
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var label = document.createElement("label");
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label.innerHTML= lbltxt + s;
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var qr = document.createElement("div");
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qr.setAttribute("id", id);
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row.appendChild(label);
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row.appendChild(qr);
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row.appendChild(document.createElement("br"));
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return row;
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},
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stripLeadZeros: function(hex) { return hex.split(/^0+/).slice(-1)[0]; },
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// Split a private key and update information in the HTML
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splitKey: function () {
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try {
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var key = new Bitcoin.ECKey(false);
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var bitcoinAddress = key.getBitcoinAddress();
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var element = document.getElementById("splitoutput");
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if (element != null) element.parentNode.removeChild(element);
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var numshares = parseInt(document.getElementById('splitshares').value);
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var threshhold = parseInt(document.getElementById('splitthreshhold').value);
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var shares = secrets.share(Crypto.util.bytesToHex(key.getBitcoinPrivateKeyByteArray()),
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numshares, threshhold).map(Crypto.util.hexToBytes).map(Bitcoin.Base58.encode);
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var output = document.createElement("div");
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output.setAttribute("id", "splitoutput");
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var m = {};
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output.appendChild(this.mkOutputRow(bitcoinAddress, "split_addr", "Bitcoin Address: "));
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m["split_addr"] = bitcoinAddress;
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for (var i=0; i < shares.length; i++) {
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var id = "split_qr_"+ i;
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output.appendChild(this.mkOutputRow(shares[i], id, "Share " + (i+1) + ": "));
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m[id]=shares[i];
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}
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document.getElementById("splitcommands").appendChild(output);
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ninja.qrCode.showQrCode(m);
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}
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catch (e) {
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// browser does not have sufficient JavaScript support to generate a bitcoin address
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alert(e);
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document.getElementById("btcaddress").innerHTML = "error";
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document.getElementById("btcprivwif").innerHTML = "error";
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document.getElementById("qrcode_public").innerHTML = "";
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document.getElementById("qrcode_private").innerHTML = "";
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}
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},
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// Combine shares of a private key to retrieve the key
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combineShares: function () {
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try {
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var element = document.getElementById("combineoutput");
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if (element != null) element.parentNode.removeChild(element);
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var shares = document.getElementById("combineinput").value.trim().split(/\W+/);
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var combined = secrets.combine(shares.map(Bitcoin.Base58.decode).
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map(Crypto.util.bytesToHex).
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map(this.stripLeadZeros));
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var privkeyBase58 = new Bitcoin.ECKey(Crypto.util.hexToBytes(combined)).getBitcoinWalletImportFormat();
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var output = document.createElement("div");
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output.setAttribute("id", "combineoutput");
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var txt = document.createElement("input");
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txt.setAttribute("id","combineoutputtext");
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txt.setAttribute("value",privkeyBase58);
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txt.setAttribute("size",55);
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var lbl = document.createElement("label");
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lbl.innerHTML="Private key";
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output.appendChild(lbl);
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output.appendChild(txt);
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document.getElementById("combinecommands").appendChild(output);
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}
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catch (e) {
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alert(e);
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}
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}
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};
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