Added FLO ->BTC address conversion
This commit is contained in:
sairaj mote
parent
50ca649011
commit
ca201b4827
@ -663,13 +663,14 @@ ul {
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}
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#torrent_uploader {
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flex-direction: column;
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font-weight: 500;
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margin: 1.5rem 0 1rem 0;
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width: auto;
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border-radius: 1.5rem;
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padding: 0.3rem 0.8rem;
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align-self: flex-start;
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background-color: rgba(var(--text-color), 0.1);
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border-radius: 0.5rem;
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padding: 0.8rem;
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gap: 0.3rem;
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background-color: rgba(var(--text-color), 0.06);
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}
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#torrent_download_button {
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2
css/main.min.css
vendored
2
css/main.min.css
vendored
File diff suppressed because one or more lines are too long
@ -583,13 +583,14 @@ ul {
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color: rgba(var(--text-color), 0.8);
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}
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#torrent_uploader {
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flex-direction: column;
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font-weight: 500;
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margin: 1.5rem 0 1rem 0;
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width: auto;
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border-radius: 1.5rem;
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padding: 0.3rem 0.8rem;
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align-self: flex-start;
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background-color: rgba(var(--text-color), 0.1);
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border-radius: 0.5rem;
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padding: 0.8rem;
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gap: 0.3rem;
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background-color: rgba(var(--text-color), 0.06);
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}
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#torrent_download_button {
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position: relative;
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15
index.html
15
index.html
@ -11,6 +11,10 @@
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<link rel="preconnect" href="https://fonts.googleapis.com">
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<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
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<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400..900&display=swap" rel="stylesheet">
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<script src="scripts/components.js" defer></script>
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<script src="https://cdn.jsdelivr.net/npm/fuse.js@6.4.6" defer></script>
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<script src="scripts/lib.js" defer></script>
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<script src="scripts/btcOperator.js" defer></script>
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</head>
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<body data-theme="">
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@ -113,7 +117,7 @@
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<div id="torrent_tags"></div>
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<h1 id="torrent_name"></h1>
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<p id="torrent_description"></p>
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<h5 id="torrent_uploader"></h5>
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<p id="torrent_uploader" class="breakable"></p>
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<a id="torrent_index_tx" target="_blank" class="flex align-center">
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<svg class="icon" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24">
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<path fill="none" d="M0 0h24v24H0z" />
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@ -316,8 +320,6 @@
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</button>
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</li>
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</template>
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<script src="components.js"></script>
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<script src="https://cdn.jsdelivr.net/npm/fuse.js@6.4.6"></script>
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<script>
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const cryptocoin = "FLO";
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const mainnet = `https://flosight.duckdns.org/`;
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@ -1103,11 +1105,16 @@
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case 'torrent':
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currentTorrent = await getDataFromIDB(parseInt(subPageId))
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const { id, name, description, tags, type = 'misc', size, uploader, startTx, filename, chunks } = currentTorrent
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const btcAddress = btcOperator.convert.legacy2bech(uploader)
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getRef('torrent_type_icon').innerHTML = getIcon(type)
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getRef('torrent_name').textContent = name
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getRef('torrent_description').textContent = description
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getRef('torrent_tags').textContent = tags.split('/').join('•')
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getRef('torrent_uploader').textContent = `Uploaded by ${uploader}`
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getRef('torrent_uploader').innerHTML = `
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Uploaded by
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<span>FLO address: ${uploader}</span>
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<span>(BTC address: ${btcAddress})</span>
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`;
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getRef('torrent_index_tx').href = `https://flosight.duckdns.org/tx/${startTx}`
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break;
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case 'browse':
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747
scripts/btcOperator.js
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747
scripts/btcOperator.js
Normal file
@ -0,0 +1,747 @@
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(function (EXPORTS) { //btcOperator v1.0.14b
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/* BTC Crypto and API Operator */
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const btcOperator = EXPORTS;
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//This library uses API provided by chain.so (https://chain.so/)
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const URL = "https://chain.so/api/v2/";
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const fetch_api = btcOperator.fetch = function (api) {
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return new Promise((resolve, reject) => {
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console.debug(URL + api);
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fetch(URL + api).then(response => {
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response.json()
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.then(result => result.status === "success" ? resolve(result) : reject(result))
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.catch(error => reject(error))
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}).catch(error => reject(error))
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})
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};
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const SATOSHI_IN_BTC = 1e8;
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function get_fee_rate() {
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return new Promise((resolve, reject) => {
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fetch('https://api.blockchain.info/mempool/fees').then(response => {
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if (response.ok)
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response.json()
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.then(result => resolve(parseFloat((result.regular / SATOSHI_IN_BTC).toFixed(8))))
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.catch(error => reject(error));
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else
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reject(response);
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}).catch(error => reject(error))
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})
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}
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const broadcastTx = btcOperator.broadcastTx = rawTxHex => new Promise((resolve, reject) => {
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let url = 'https://coinb.in/api/?uid=1&key=12345678901234567890123456789012&setmodule=bitcoin&request=sendrawtransaction';
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fetch(url, {
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method: 'POST',
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headers: {
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'Content-Type': 'application/x-www-form-urlencoded'
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},
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body: "rawtx=" + rawTxHex
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}).then(response => {
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response.text().then(resultText => {
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let r = resultText.match(/<result>.*<\/result>/);
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if (!r)
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reject(resultText);
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else {
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r = r.pop().replace('<result>', '').replace('</result>', '');
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if (r == '1') {
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let txid = resultText.match(/<txid>.*<\/txid>/).pop().replace('<txid>', '').replace('</txid>', '');
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resolve(txid);
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} else if (r == '0') {
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let error = resultText.match(/<response>.*<\/response>/).pop().replace('<response>', '').replace('</response>', '');
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reject(decodeURIComponent(error.replace(/\+/g, " ")));
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} else reject(resultText);
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}
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}).catch(error => reject(error))
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}).catch(error => reject(error))
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});
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Object.defineProperties(btcOperator, {
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newKeys: {
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get: () => {
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let r = coinjs.newKeys();
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r.segwitAddress = coinjs.segwitAddress(r.pubkey).address;
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r.bech32Address = coinjs.bech32Address(r.pubkey).address;
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return r;
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}
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},
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pubkey: {
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value: key => key.length >= 66 ? key : (key.length == 64 ? coinjs.newPubkey(key) : coinjs.wif2pubkey(key).pubkey)
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},
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address: {
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value: (key, prefix = undefined) => coinjs.pubkey2address(btcOperator.pubkey(key), prefix)
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},
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segwitAddress: {
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value: key => coinjs.segwitAddress(btcOperator.pubkey(key)).address
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},
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bech32Address: {
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value: key => coinjs.bech32Address(btcOperator.pubkey(key)).address
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}
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});
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coinjs.compressed = true;
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const verifyKey = btcOperator.verifyKey = function (addr, key) {
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if (!addr || !key)
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return undefined;
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switch (coinjs.addressDecode(addr).type) {
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case "standard":
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return btcOperator.address(key) === addr;
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case "multisig":
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return btcOperator.segwitAddress(key) === addr;
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case "bech32":
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return btcOperator.bech32Address(key) === addr;
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default:
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return null;
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}
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}
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const validateAddress = btcOperator.validateAddress = function (addr) {
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if (!addr)
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return undefined;
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let type = coinjs.addressDecode(addr).type;
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if (["standard", "multisig", "bech32", "multisigBech32"].includes(type))
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return type;
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else
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return false;
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}
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btcOperator.multiSigAddress = function (pubKeys, minRequired, bech32 = true) {
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if (!Array.isArray(pubKeys))
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throw "pubKeys must be an array of public keys";
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else if (pubKeys.length < minRequired)
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throw "minimum required should be less than the number of pubKeys";
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if (bech32)
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return coinjs.pubkeys2MultisigAddressBech32(pubKeys, minRequired);
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else
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return coinjs.pubkeys2MultisigAddress(pubKeys, minRequired);
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}
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//convert from one blockchain to another blockchain (target version)
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btcOperator.convert = {};
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btcOperator.convert.wif = function (source_wif, target_version = coinjs.priv) {
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let keyHex = decodeLegacy(source_wif).hex;
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if (!keyHex || keyHex.length < 66 || !/01$/.test(keyHex))
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return null;
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else
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return encodeLegacy(keyHex, target_version);
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}
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btcOperator.convert.legacy2legacy = function (source_addr, target_version = coinjs.pub) {
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let rawHex = decodeLegacy(source_addr).hex;
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if (!rawHex)
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return null;
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else
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return encodeLegacy(rawHex, target_version);
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}
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btcOperator.convert.legacy2bech = function (source_addr, target_version = coinjs.bech32.version, target_hrp = coinjs.bech32.hrp) {
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let rawHex = decodeLegacy(source_addr).hex;
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if (!rawHex)
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return null;
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else
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return encodeBech32(rawHex, target_version, target_hrp);
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}
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btcOperator.convert.bech2bech = function (source_addr, target_version = coinjs.bech32.version, target_hrp = coinjs.bech32.hrp) {
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let rawHex = decodeBech32(source_addr).hex;
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if (!rawHex)
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return null;
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else
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return encodeBech32(rawHex, target_version, target_hrp);
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}
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btcOperator.convert.bech2legacy = function (source_addr, target_version = coinjs.pub) {
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let rawHex = decodeBech32(source_addr).hex;
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if (!rawHex)
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return null;
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else
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return encodeLegacy(rawHex, target_version);
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}
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function decodeLegacy(source) {
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var decode = coinjs.base58decode(source);
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var raw = decode.slice(0, decode.length - 4),
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checksum = decode.slice(decode.length - 4);
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var hash = Crypto.SHA256(Crypto.SHA256(raw, {
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asBytes: true
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}), {
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asBytes: true
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});
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if (hash[0] != checksum[0] || hash[1] != checksum[1] || hash[2] != checksum[2] || hash[3] != checksum[3])
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return null;
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let version = raw.shift();
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return {
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version: version,
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hex: Crypto.util.bytesToHex(raw)
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}
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}
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function encodeLegacy(hex, version) {
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var bytes = Crypto.util.hexToBytes(hex);
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bytes.unshift(version);
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var hash = Crypto.SHA256(Crypto.SHA256(bytes, {
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asBytes: true
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}), {
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asBytes: true
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});
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var checksum = hash.slice(0, 4);
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return coinjs.base58encode(bytes.concat(checksum));
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}
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function decodeBech32(source) {
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let decode = coinjs.bech32_decode(source);
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if (!decode)
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return null;
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var raw = decode.data;
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let version = raw.shift();
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raw = coinjs.bech32_convert(raw, 5, 8, false);
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return {
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hrp: decode.hrp,
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version: version,
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hex: Crypto.util.bytesToHex(raw)
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}
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}
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function encodeBech32(hex, version, hrp) {
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var bytes = Crypto.util.hexToBytes(hex);
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bytes = coinjs.bech32_convert(bytes, 8, 5, true);
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bytes.unshift(version)
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return coinjs.bech32_encode(hrp, bytes);
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}
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//BTC blockchain APIs
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btcOperator.getBalance = addr => new Promise((resolve, reject) => {
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fetch_api(`get_address_balance/BTC/${addr}`)
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.then(result => resolve(parseFloat(result.data.confirmed_balance)))
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.catch(error => reject(error))
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});
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const BASE_TX_SIZE = 12,
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BASE_INPUT_SIZE = 41,
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LEGACY_INPUT_SIZE = 107,
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BECH32_INPUT_SIZE = 27,
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BECH32_MULTISIG_INPUT_SIZE = 35,
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SEGWIT_INPUT_SIZE = 59,
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MULTISIG_INPUT_SIZE_ES = 351,
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BASE_OUTPUT_SIZE = 9,
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LEGACY_OUTPUT_SIZE = 25,
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BECH32_OUTPUT_SIZE = 23,
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BECH32_MULTISIG_OUTPUT_SIZE = 34,
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SEGWIT_OUTPUT_SIZE = 23;
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function _redeemScript(addr, key) {
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let decode = coinjs.addressDecode(addr);
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switch (decode.type) {
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case "standard":
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return false;
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case "multisig":
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return key ? coinjs.segwitAddress(btcOperator.pubkey(key)).redeemscript : null;
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case "bech32":
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return decode.redeemscript;
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default:
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return null;
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}
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}
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function _sizePerInput(addr, rs) {
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switch (coinjs.addressDecode(addr).type) {
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case "standard":
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return BASE_INPUT_SIZE + LEGACY_INPUT_SIZE;
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case "bech32":
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return BASE_INPUT_SIZE + BECH32_INPUT_SIZE;
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case "multisigBech32":
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return BASE_INPUT_SIZE + BECH32_MULTISIG_INPUT_SIZE;
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case "multisig":
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switch (coinjs.script().decodeRedeemScript(rs).type) {
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case "segwit__":
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return BASE_INPUT_SIZE + SEGWIT_INPUT_SIZE;
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case "multisig__":
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return BASE_INPUT_SIZE + MULTISIG_INPUT_SIZE_ES;
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default:
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return null;
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};
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default:
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return null;
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}
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}
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function _sizePerOutput(addr) {
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switch (coinjs.addressDecode(addr).type) {
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case "standard":
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return BASE_OUTPUT_SIZE + LEGACY_OUTPUT_SIZE;
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case "bech32":
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return BASE_OUTPUT_SIZE + BECH32_OUTPUT_SIZE;
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case "multisigBech32":
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return BASE_OUTPUT_SIZE + BECH32_MULTISIG_OUTPUT_SIZE;
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case "multisig":
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return BASE_OUTPUT_SIZE + SEGWIT_OUTPUT_SIZE;
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default:
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return null;
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}
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}
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function validateTxParameters(parameters) {
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let invalids = [];
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//sender-ids
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if (parameters.senders) {
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if (!Array.isArray(parameters.senders))
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parameters.senders = [parameters.senders];
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parameters.senders.forEach(id => !validateAddress(id) ? invalids.push(id) : null);
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if (invalids.length)
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throw "Invalid senders:" + invalids;
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}
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if (parameters.privkeys) {
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if (!Array.isArray(parameters.privkeys))
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parameters.privkeys = [parameters.privkeys];
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if (parameters.senders.length != parameters.privkeys.length)
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throw "Array length for senders and privkeys should be equal";
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parameters.senders.forEach((id, i) => {
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let key = parameters.privkeys[i];
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if (!verifyKey(id, key)) //verify private-key
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invalids.push(id);
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if (key.length === 64) //convert Hex to WIF if needed
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parameters.privkeys[i] = coinjs.privkey2wif(key);
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});
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if (invalids.length)
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throw "Invalid keys:" + invalids;
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}
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//receiver-ids (and change-id)
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if (!Array.isArray(parameters.receivers))
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parameters.receivers = [parameters.receivers];
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parameters.receivers.forEach(id => !validateAddress(id) ? invalids.push(id) : null);
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if (invalids.length)
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throw "Invalid receivers:" + invalids;
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if (parameters.change_address && !validateAddress(parameters.change_address))
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throw "Invalid change_address:" + parameters.change_address;
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//fee and amounts
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if ((typeof parameters.fee !== "number" || parameters.fee <= 0) && parameters.fee !== null) //fee = null (auto calc)
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throw "Invalid fee:" + parameters.fee;
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if (!Array.isArray(parameters.amounts))
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parameters.amounts = [parameters.amounts];
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if (parameters.receivers.length != parameters.amounts.length)
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throw "Array length for receivers and amounts should be equal";
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parameters.amounts.forEach(a => typeof a !== "number" || a <= 0 ? invalids.push(a) : null);
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if (invalids.length)
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throw "Invalid amounts:" + invalids;
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//return
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return parameters;
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}
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function createTransaction(senders, redeemScripts, receivers, amounts, fee, change_address, fee_from_receiver) {
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return new Promise((resolve, reject) => {
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let total_amount = parseFloat(amounts.reduce((t, a) => t + a, 0).toFixed(8));
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const tx = coinjs.transaction();
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let output_size = addOutputs(tx, receivers, amounts, change_address);
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addInputs(tx, senders, redeemScripts, total_amount, fee, output_size, fee_from_receiver).then(result => {
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if (result.change_amount > 0 && result.change_amount > result.fee) //add change amount if any (ignore dust change)
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tx.outs[tx.outs.length - 1].value = parseInt(result.change_amount * SATOSHI_IN_BTC); //values are in satoshi
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if (fee_from_receiver) { //deduce fee from receivers if fee_from_receiver
|
||||
let fee_remaining = parseInt(result.fee * SATOSHI_IN_BTC);
|
||||
for (let i = 0; i < tx.outs.length - 1 && fee_remaining > 0; i++) {
|
||||
if (fee_remaining < tx.outs[i].value) {
|
||||
tx.outs[i].value -= fee_remaining;
|
||||
fee_remaining = 0;
|
||||
} else {
|
||||
fee_remaining -= tx.outs[i].value;
|
||||
tx.outs[i].value = 0;
|
||||
}
|
||||
}
|
||||
if (fee_remaining > 0)
|
||||
return reject("Send amount is less than fee");
|
||||
|
||||
}
|
||||
tx.outs = tx.outs.filter(o => o.value != 0); //remove all output with value 0
|
||||
result.output_size = output_size;
|
||||
result.output_amount = total_amount - (fee_from_receiver ? result.fee : 0);
|
||||
result.total_size = BASE_TX_SIZE + output_size + result.input_size;
|
||||
result.transaction = tx;
|
||||
resolve(result);
|
||||
}).catch(error => reject(error))
|
||||
})
|
||||
}
|
||||
|
||||
function addInputs(tx, senders, redeemScripts, total_amount, fee, output_size, fee_from_receiver) {
|
||||
return new Promise((resolve, reject) => {
|
||||
if (fee !== null) {
|
||||
addUTXOs(tx, senders, redeemScripts, fee_from_receiver ? total_amount : total_amount + fee, false).then(result => {
|
||||
result.fee = fee;
|
||||
resolve(result);
|
||||
}).catch(error => reject(error))
|
||||
} else {
|
||||
get_fee_rate().then(fee_rate => {
|
||||
let net_fee = BASE_TX_SIZE * fee_rate;
|
||||
net_fee += (output_size * fee_rate);
|
||||
(fee_from_receiver ?
|
||||
addUTXOs(tx, senders, redeemScripts, total_amount, false) :
|
||||
addUTXOs(tx, senders, redeemScripts, total_amount + net_fee, fee_rate)
|
||||
).then(result => {
|
||||
result.fee = parseFloat((net_fee + (result.input_size * fee_rate)).toFixed(8));
|
||||
result.fee_rate = fee_rate;
|
||||
resolve(result);
|
||||
}).catch(error => reject(error))
|
||||
}).catch(error => reject(error))
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
function addUTXOs(tx, senders, redeemScripts, required_amount, fee_rate, rec_args = {}) {
|
||||
return new Promise((resolve, reject) => {
|
||||
required_amount = parseFloat(required_amount.toFixed(8));
|
||||
if (typeof rec_args.n === "undefined") {
|
||||
rec_args.n = 0;
|
||||
rec_args.input_size = 0;
|
||||
rec_args.input_amount = 0;
|
||||
}
|
||||
if (required_amount <= 0)
|
||||
return resolve({
|
||||
input_size: rec_args.input_size,
|
||||
input_amount: rec_args.input_amount,
|
||||
change_amount: required_amount * -1 //required_amount will be -ve of change_amount
|
||||
});
|
||||
else if (rec_args.n >= senders.length)
|
||||
return reject("Insufficient Balance");
|
||||
let addr = senders[rec_args.n],
|
||||
rs = redeemScripts[rec_args.n];
|
||||
let addr_type = coinjs.addressDecode(addr).type;
|
||||
let size_per_input = _sizePerInput(addr, rs);
|
||||
fetch_api(`get_tx_unspent/BTC/${addr}`).then(result => {
|
||||
let utxos = result.data.txs;
|
||||
console.debug("add-utxo", addr, rs, required_amount, utxos);
|
||||
for (let i = 0; i < utxos.length && required_amount > 0; i++) {
|
||||
if (!utxos[i].confirmations) //ignore unconfirmed utxo
|
||||
continue;
|
||||
var script;
|
||||
if (!rs || !rs.length) //legacy script
|
||||
script = utxos[i].script_hex;
|
||||
else if (((rs.match(/^00/) && rs.length == 44)) || (rs.length == 40 && rs.match(/^[a-f0-9]+$/gi)) || addr_type === 'multisigBech32') {
|
||||
//redeemScript for segwit/bech32 and multisig (bech32)
|
||||
let s = coinjs.script();
|
||||
s.writeBytes(Crypto.util.hexToBytes(rs));
|
||||
s.writeOp(0);
|
||||
s.writeBytes(coinjs.numToBytes((utxos[i].value * SATOSHI_IN_BTC).toFixed(0), 8));
|
||||
script = Crypto.util.bytesToHex(s.buffer);
|
||||
} else //redeemScript for multisig (segwit)
|
||||
script = rs;
|
||||
tx.addinput(utxos[i].txid, utxos[i].output_no, script, 0xfffffffd /*sequence*/); //0xfffffffd for Replace-by-fee
|
||||
//update track values
|
||||
rec_args.input_size += size_per_input;
|
||||
rec_args.input_amount += parseFloat(utxos[i].value);
|
||||
required_amount -= parseFloat(utxos[i].value);
|
||||
if (fee_rate) //automatic fee calculation (dynamic)
|
||||
required_amount += size_per_input * fee_rate;
|
||||
}
|
||||
rec_args.n += 1;
|
||||
addUTXOs(tx, senders, redeemScripts, required_amount, fee_rate, rec_args)
|
||||
.then(result => resolve(result))
|
||||
.catch(error => reject(error))
|
||||
}).catch(error => reject(error))
|
||||
})
|
||||
}
|
||||
|
||||
function addOutputs(tx, receivers, amounts, change_address) {
|
||||
let size = 0;
|
||||
for (let i in receivers) {
|
||||
tx.addoutput(receivers[i], amounts[i]);
|
||||
size += _sizePerOutput(receivers[i]);
|
||||
}
|
||||
tx.addoutput(change_address, 0);
|
||||
size += _sizePerOutput(change_address);
|
||||
return size;
|
||||
}
|
||||
|
||||
/*
|
||||
function autoFeeCalc(tx) {
|
||||
return new Promise((resolve, reject) => {
|
||||
get_fee_rate().then(fee_rate => {
|
||||
let tx_size = tx.size();
|
||||
for (var i = 0; i < this.ins.length; i++)
|
||||
switch (tx.extractScriptKey(i).type) {
|
||||
case 'scriptpubkey':
|
||||
tx_size += SIGN_SIZE;
|
||||
break;
|
||||
case 'segwit':
|
||||
case 'multisig':
|
||||
tx_size += SIGN_SIZE * 0.25;
|
||||
break;
|
||||
default:
|
||||
console.warn('Unknown script-type');
|
||||
tx_size += SIGN_SIZE;
|
||||
}
|
||||
resolve(tx_size * fee_rate);
|
||||
}).catch(error => reject(error))
|
||||
})
|
||||
}
|
||||
|
||||
function editFee(tx, current_fee, target_fee, index = -1) {
|
||||
//values are in satoshi
|
||||
index = parseInt(index >= 0 ? index : tx.outs.length - index);
|
||||
if (index < 0 || index >= tx.outs.length)
|
||||
throw "Invalid index";
|
||||
let edit_value = parseInt(current_fee - target_fee), //rip of any decimal places
|
||||
current_value = tx.outs[index].value; //could be BigInterger
|
||||
if (edit_value < 0 && edit_value > current_value)
|
||||
throw "Insufficient value at vout";
|
||||
tx.outs[index].value = current_value instanceof BigInteger ?
|
||||
current_value.add(new BigInteger('' + edit_value)) : parseInt(current_value + edit_value);
|
||||
}
|
||||
*/
|
||||
|
||||
btcOperator.sendTx = function (senders, privkeys, receivers, amounts, fee = null, options = {}) {
|
||||
return new Promise((resolve, reject) => {
|
||||
createSignedTx(senders, privkeys, receivers, amounts, fee, options).then(result => {
|
||||
debugger;
|
||||
broadcastTx(result.transaction.serialize())
|
||||
.then(txid => resolve(txid))
|
||||
.catch(error => reject(error));
|
||||
}).catch(error => reject(error))
|
||||
})
|
||||
}
|
||||
|
||||
const createSignedTx = btcOperator.createSignedTx = function (senders, privkeys, receivers, amounts, fee = null, options = {}) {
|
||||
return new Promise((resolve, reject) => {
|
||||
try {
|
||||
({
|
||||
senders,
|
||||
privkeys,
|
||||
receivers,
|
||||
amounts
|
||||
} = validateTxParameters({
|
||||
senders,
|
||||
privkeys,
|
||||
receivers,
|
||||
amounts,
|
||||
fee,
|
||||
change_address: options.change_address
|
||||
}));
|
||||
} catch (e) {
|
||||
return reject(e)
|
||||
}
|
||||
let redeemScripts = [],
|
||||
wif_keys = [];
|
||||
for (let i in senders) {
|
||||
let rs = _redeemScript(senders[i], privkeys[i]); //get redeem-script (segwit/bech32)
|
||||
redeemScripts.push(rs);
|
||||
rs === false ? wif_keys.unshift(privkeys[i]) : wif_keys.push(privkeys[i]); //sorting private-keys (wif)
|
||||
}
|
||||
if (redeemScripts.includes(null)) //TODO: segwit
|
||||
return reject("Unable to get redeem-script");
|
||||
//create transaction
|
||||
createTransaction(senders, redeemScripts, receivers, amounts, fee, options.change_address || senders[0], options.fee_from_receiver).then(result => {
|
||||
let tx = result.transaction;
|
||||
console.debug("Unsigned:", tx.serialize());
|
||||
new Set(wif_keys).forEach(key => console.debug("Signing key:", key, tx.sign(key, 1 /*sighashtype*/))); //Sign the tx using private key WIF
|
||||
console.debug("Signed:", tx.serialize());
|
||||
resolve(result);
|
||||
}).catch(error => reject(error));
|
||||
})
|
||||
}
|
||||
|
||||
btcOperator.createTx = function (senders, receivers, amounts, fee = null, options = {}) {
|
||||
return new Promise((resolve, reject) => {
|
||||
try {
|
||||
({
|
||||
senders,
|
||||
receivers,
|
||||
amounts
|
||||
} = validateTxParameters({
|
||||
senders,
|
||||
receivers,
|
||||
amounts,
|
||||
fee,
|
||||
change_address: options.change_address
|
||||
}));
|
||||
} catch (e) {
|
||||
return reject(e)
|
||||
}
|
||||
let redeemScripts = senders.map(id => _redeemScript(id));
|
||||
if (redeemScripts.includes(null)) //TODO: segwit
|
||||
return reject("Unable to get redeem-script");
|
||||
//create transaction
|
||||
createTransaction(senders, redeemScripts, receivers, amounts, fee, options.change_address || senders[0], options.fee_from_receiver).then(result => {
|
||||
result.tx_hex = result.transaction.serialize();
|
||||
delete result.transaction;
|
||||
resolve(result);
|
||||
}).catch(error => reject(error))
|
||||
})
|
||||
}
|
||||
|
||||
btcOperator.createMultiSigTx = function (sender, redeemScript, receivers, amounts, fee = null, options = {}) {
|
||||
return new Promise((resolve, reject) => {
|
||||
//validate tx parameters
|
||||
let addr_type = validateAddress(sender);
|
||||
if (!(["multisig", "multisigBech32"].includes(addr_type)))
|
||||
return reject("Invalid sender (multisig):" + sender);
|
||||
else {
|
||||
let script = coinjs.script();
|
||||
let decode = (addr_type == "multisig") ?
|
||||
script.decodeRedeemScript(redeemScript) :
|
||||
script.decodeRedeemScriptBech32(redeemScript);
|
||||
if (!decode || decode.address !== sender)
|
||||
return reject("Invalid redeem-script");
|
||||
}
|
||||
try {
|
||||
({
|
||||
receivers,
|
||||
amounts
|
||||
} = validateTxParameters({
|
||||
receivers,
|
||||
amounts,
|
||||
fee,
|
||||
change_address: options.change_address
|
||||
}));
|
||||
} catch (e) {
|
||||
return reject(e)
|
||||
}
|
||||
//create transaction
|
||||
createTransaction([sender], [redeemScript], receivers, amounts, fee, options.change_address || sender, options.fee_from_receiver).then(result => {
|
||||
result.tx_hex = result.transaction.serialize();
|
||||
delete result.transaction;
|
||||
resolve(result);
|
||||
}).catch(error => reject(error))
|
||||
|
||||
})
|
||||
}
|
||||
|
||||
function deserializeTx(tx) {
|
||||
if (typeof tx === 'string' || Array.isArray(tx)) {
|
||||
try {
|
||||
tx = coinjs.transaction().deserialize(tx);
|
||||
} catch {
|
||||
throw "Invalid transaction hex";
|
||||
}
|
||||
} else if (typeof tx !== 'object' || typeof tx.sign !== 'function')
|
||||
throw "Invalid transaction object";
|
||||
return tx;
|
||||
}
|
||||
|
||||
btcOperator.signTx = function (tx, privkeys, sighashtype = 1) {
|
||||
tx = deserializeTx(tx);
|
||||
if (!Array.isArray(privkeys))
|
||||
privkeys = [privkeys];
|
||||
for (let i in privkeys)
|
||||
if (privkeys[i].length === 64)
|
||||
privkeys[i] = coinjs.privkey2wif(privkeys[i]);
|
||||
new Set(privkeys).forEach(key => tx.sign(key, sighashtype)); //Sign the tx using private key WIF
|
||||
return tx.serialize();
|
||||
}
|
||||
|
||||
const checkSigned = btcOperator.checkSigned = function (tx, bool = true) {
|
||||
tx = deserializeTx(tx);
|
||||
let n = [];
|
||||
for (let i in tx.ins) {
|
||||
var s = tx.extractScriptKey(i);
|
||||
if (s['type'] !== 'multisig' && s['type'] !== 'multisig_bech32')
|
||||
n.push(s.signed == 'true' || (tx.witness[i] && tx.witness[i].length == 2))
|
||||
else {
|
||||
var rs = coinjs.script().decodeRedeemScript(s.script); //will work for bech32 too, as only address is diff
|
||||
let x = {
|
||||
s: s['signatures'],
|
||||
r: rs['signaturesRequired'],
|
||||
t: rs['pubkeys'].length
|
||||
};
|
||||
if (x.r > x.t)
|
||||
throw "signaturesRequired is more than publicKeys";
|
||||
else if (x.s < x.r)
|
||||
n.push(x);
|
||||
else
|
||||
n.push(true);
|
||||
}
|
||||
}
|
||||
return bool ? !(n.filter(x => x !== true).length) : n;
|
||||
}
|
||||
|
||||
btcOperator.checkIfSameTx = function (tx1, tx2) {
|
||||
tx1 = deserializeTx(tx1);
|
||||
tx2 = deserializeTx(tx2);
|
||||
if (tx1.ins.length !== tx2.ins.length || tx1.outs.length !== tx2.outs.length)
|
||||
return false;
|
||||
for (let i = 0; i < tx1.ins.length; i++)
|
||||
if (tx1.ins[i].outpoint.hash !== tx2.ins[i].outpoint.hash || tx1.ins[i].outpoint.index !== tx2.ins[i].outpoint.index)
|
||||
return false;
|
||||
for (let i = 0; i < tx2.ins.length; i++)
|
||||
if (tx1.outs[i].value !== tx2.outs[i].value || Crypto.util.bytesToHex(tx1.outs[i].script.buffer) !== Crypto.util.bytesToHex(tx2.outs[i].script.buffer))
|
||||
return false;
|
||||
return true;
|
||||
}
|
||||
|
||||
const getTxOutput = (txid, i) => new Promise((resolve, reject) => {
|
||||
fetch_api(`get_tx_outputs/BTC/${txid}/${i}`)
|
||||
.then(result => resolve(result.data.outputs))
|
||||
.catch(error => reject(error))
|
||||
});
|
||||
|
||||
btcOperator.parseTransaction = function (tx) {
|
||||
return new Promise((resolve, reject) => {
|
||||
tx = deserializeTx(tx);
|
||||
let result = {};
|
||||
let promises = [];
|
||||
//Parse Inputs
|
||||
for (let i = 0; i < tx.ins.length; i++)
|
||||
promises.push(getTxOutput(tx.ins[i].outpoint.hash, tx.ins[i].outpoint.index));
|
||||
Promise.all(promises).then(inputs => {
|
||||
result.inputs = inputs.map(inp => Object({
|
||||
address: inp.address,
|
||||
value: parseFloat(inp.value)
|
||||
}));
|
||||
let signed = checkSigned(tx, false);
|
||||
result.inputs.forEach((inp, i) => inp.signed = signed[i]);
|
||||
//Parse Outputs
|
||||
result.outputs = tx.outs.map(out => {
|
||||
var address;
|
||||
switch (out.script.chunks[0]) {
|
||||
case 0: //bech32, multisig-bech32
|
||||
address = encodeBech32(Crypto.util.bytesToHex(out.script.chunks[1]), coinjs.bech32.version, coinjs.bech32.hrp);
|
||||
break;
|
||||
case 169: //segwit, multisig-segwit
|
||||
address = encodeLegacy(Crypto.util.bytesToHex(out.script.chunks[1]), coinjs.multisig);
|
||||
break;
|
||||
case 118: //legacy
|
||||
address = encodeLegacy(Crypto.util.bytesToHex(out.script.chunks[2]), coinjs.pub);
|
||||
}
|
||||
return {
|
||||
address,
|
||||
value: parseFloat(out.value / SATOSHI_IN_BTC)
|
||||
}
|
||||
});
|
||||
//Parse Totals
|
||||
result.total_input = parseFloat(result.inputs.reduce((a, inp) => a += inp.value, 0).toFixed(8));
|
||||
result.total_output = parseFloat(result.outputs.reduce((a, out) => a += out.value, 0).toFixed(8));
|
||||
result.fee = parseFloat((result.total_input - result.total_output).toFixed(8));
|
||||
resolve(result);
|
||||
}).catch(error => reject(error))
|
||||
})
|
||||
}
|
||||
|
||||
btcOperator.transactionID = function (tx) {
|
||||
tx = deserializeTx(tx);
|
||||
let clone = coinjs.clone(tx);
|
||||
clone.witness = null;
|
||||
let raw_bytes = Crypto.util.hexToBytes(clone.serialize());
|
||||
let txid = Crypto.SHA256(Crypto.SHA256(raw_bytes, { asBytes: true }), { asBytes: true }).reverse();
|
||||
return Crypto.util.bytesToHex(txid);
|
||||
}
|
||||
|
||||
btcOperator.getTx = txid => new Promise((resolve, reject) => {
|
||||
fetch_api(`get_tx/BTC/${txid}`)
|
||||
.then(result => resolve(result.data))
|
||||
.catch(error => reject(error))
|
||||
});
|
||||
|
||||
btcOperator.getAddressData = addr => new Promise((resolve, reject) => {
|
||||
fetch_api(`address/BTC/${addr}`)
|
||||
.then(result => resolve(result.data))
|
||||
.catch(error => reject(error))
|
||||
});
|
||||
|
||||
btcOperator.getBlock = block => new Promise((resolve, reject) => {
|
||||
fetch_api(`get_block/BTC/${block}`)
|
||||
.then(result => resolve(result.data))
|
||||
.catch(error => reject(error))
|
||||
});
|
||||
|
||||
})('object' === typeof module ? module.exports : window.btcOperator = {});
|
||||
9664
scripts/lib.js
Normal file
9664
scripts/lib.js
Normal file
File diff suppressed because it is too large
Load Diff
@ -137,7 +137,7 @@
|
||||
</section>
|
||||
</footer>
|
||||
</body>
|
||||
<script src="components.js"></script>
|
||||
<script src="scripts/components.js"></script>
|
||||
<script id="default_ui_library">
|
||||
const domRefs = {};
|
||||
const uiGlobals = {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user