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Merge pull request #2 from ranchimall/dev

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multi-inputs
This commit is contained in:
Sai Raj 2022-06-26 18:45:47 +05:30 committed by GitHub
commit 334bf46fa1
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 200 additions and 79 deletions
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85
index.html
View File

@ -69,17 +69,26 @@
<div class="panel-heading">Send Transaction</div>
<div class="panel-body">
<form id="send-tx">
<div class="form-group">
<template class="sender-template">
<div class="input-group">
<span class="input-group-addon"><i>Sender</i></span>
<input type="text" class="form-control" name="sender" placeholder="Sender ID">
<span class="input-group-addon"><i>Balance</i></span>
<input type="text" class="form-control" name="balance" placeholder="Balance" disabled>
<div class="input-group-btn">
<button class="btn btn-default" name="rm-sender" type="button">X</button>
</div>
</div>
</template>
<div class="form-group">
<div class="sender-container"></div>
<div class="input-group">
<div class="input-group-btn">
<button class="btn btn-default" name="check-balance" type="button">Balance</button>
<button class="btn btn-default" name="check-balance" type="button">Check Balance</button>
</div>
<input type="number" class="form-control" name="balance" placeholder="Check Balance" disabled>
<input type="number" class="form-control" name="total_balance" placeholder="Total Balance" disabled>
</div>
<button type="button" name="add-sender" class="btn btn-default"><b>+</b></button>
</div>
<template class="receiver-template">
<div class="input-group">
@ -110,7 +119,7 @@
<form id="address-details">
<div class="input-group">
<span class="input-group-addon"><i>Address</i></span>
<input type="text" class="form-control" name="address" placeholder="Address">
<input type="text" class="form-control" name="addr" placeholder="Address">
<div class="input-group-btn">
<button class="btn btn-default" name="submit" type="button"><b class="glyphicon glyphicon-search"></b></button>
</div>
@ -190,13 +199,34 @@
}
let sendForm = document.forms['send-tx'];
let sender_template = sendForm.getElementsByClassName('sender-template')[0],
sender_container = sendForm.getElementsByClassName('sender-container')[0];
sendForm['add-sender'].onclick = evt => {
sender_container.appendChild(sender_template.content.cloneNode(true));
let clone = sender_container.lastElementChild;
clone.getElementsByTagName("button")[0].onclick = evt => sender_container.removeChild(clone);
};
sendForm['add-sender'].click();
sendForm['check-balance'].onclick = evt => {
let address = sendForm["sender"].value;
sendForm['check-balance'].disabled = true;
btc_api.getBalance(address)
.then(result => sendForm["balance"].value = result)
.catch(error => console.error(error))
.finally(_ => sendForm['check-balance'].disabled = false)
sendForm["total_balance"].value = 0;
let addresses = [],
total_balance = 0;
if (!sendForm["sender"])
return;
else if (sendForm["sender"] instanceof RadioNodeList)
for (let i = 0; i < sendForm["sender"].length; i++)
addresses.push(sendForm["sender"][i].value);
else
addresses.push(sendForm["sender"].value);
console.debug(addresses);
let balance_inputs = sendForm["balance"] instanceof RadioNodeList ? sendForm["balance"] : [sendForm["balance"]];
//sendForm['check-balance'].disabled = true;
addresses.forEach((addr, i) => btc_api.getBalance(addr).then(result => {
console.debug(addr, result)
balance_inputs[i].value = result;
sendForm["total_balance"].value = parseFloat(sendForm["total_balance"].value) + result;
}).catch(error => console.error(error)))
// .finally(_ => sendForm['check-balance'].disabled = false)
}
let receiver_template = sendForm.getElementsByClassName('receiver-template')[0],
receiver_container = sendForm.getElementsByClassName('receiver-container')[0];
@ -207,19 +237,36 @@
};
sendForm['add-receiver'].click();
sendForm['submit'].onclick = evt => {
let sender = sendForm["sender"].value,
receivers = {},
let senders = [],
receivers = [],
amounts = [],
fee = parseFloat(sendForm["fee"].value);
//inputs (senders)
if (!sendForm["sender"])
return console.warn("sender cannot be empty");
else if (sendForm["sender"] instanceof RadioNodeList)
for (let i = 0; i < sendForm["sender"].length; i++) {
senders.push(sendForm["sender"][i].value);
}
else {
senders.push(sendForm["sender"].value);
}
//outputs (receivers and amounts)
if (!sendForm["receiver"])
return console.warn("receiver cannot be empty");
else if (sendForm["receiver"] instanceof RadioNodeList)
for (let i = 0; i < sendForm["receiver"].length; i++)
receivers[sendForm["receiver"][i].value] = parseFloat(sendForm["amount"][i].value);
else
receivers[sendForm["receiver"].value] = parseFloat(sendForm["amount"].value);
let privKey = prompt("Enter Private Key:");
for (let i = 0; i < sendForm["receiver"].length; i++) {
receivers.push(sendForm["receiver"][i].value);
amounts.push(parseFloat(sendForm["amount"][i].value));
}
else {
receivers.push(sendForm["receiver"].value);
amounts.push(parseFloat(sendForm["amount"].value));
}
console.debug(senders, receivers, amounts, fee);
let privkeys = senders.map(s => prompt(`Enter Private Key for ${s}:`))
sendForm['submit'].disabled = true;
btc_api.sendTx(sender, privKey, receivers, fee).then(result => {
btc_api.sendTx(senders, privkeys, receivers, amounts, fee).then(result => {
console.log(result);
alert("transaction id: " + result.txid);
}).catch(error => console.error(error)).finally(_ => sendForm['submit'].disabled = false)
@ -228,7 +275,7 @@
let detailsForm = document.forms['address-details'];
detailsForm['submit'].onclick = evt => {
detailsForm['submit'].disabled = true;
let address = detailsForm['address'].value;
let address = detailsForm['addr'].value;
let table = document.getElementById("view-details");
table.innerHTML = '';
detailsForm['balance'].value = '';

194
lib_btc.js
View File

@ -1,4 +1,4 @@
(function(GLOBAL) { //lib_btc v1.0.0
(function(GLOBAL) { //lib_btc v1.0.1
/* Utility Libraries required
* All credits for these codes belong to their respective creators, moderators and owners.
* For more info (including license and terms of use), please visit respective source.
@ -1799,7 +1799,7 @@
};
} else if (this.ins[index].script.chunks[0] == 0 && this.ins[index].script.chunks[this.ins[index].script.chunks.length - 1][this.ins[index].script.chunks[this.ins[index].script.chunks.length - 1].length - 1] == 174) { // OP_CHECKMULTISIG
// multisig script, with signature(s) included
sigcount = 0;
var sigcount = 0;
for (i = 1; i < this.ins[index].script.chunks.length - 1; i++) {
if (this.ins[index].script.chunks[i] != 0) {
sigcount++;
@ -1822,10 +1822,13 @@
};
} else if (this.ins[index].script.chunks.length == 0) {
// empty
//bech32 witness check
var signed = ((this.witness[index]) && this.witness[index].length == 2) ? 'true' : 'false';
var sigs = (signed == 'true') ? 1 : 0;
return {
'type': 'empty',
'signed': 'false',
'signatures': 0,
'signed': signed,
'signatures': sigs,
'script': ''
};
} else {
@ -2077,16 +2080,23 @@
this.ins[index].script = script;
if (!coinjs.isArray(this.witness)) {
this.witness = [];
this.witness = new Array(this.ins.length);
this.witness.fill([]);
}
this.witness.push([signature, wif2['pubkey']]);
this.witness[index] = ([signature, wif2['pubkey']]);
// bech32, empty redeemscript
if (bech32['redeemscript'] == Crypto.util.bytesToHex(this.ins[index].script.chunks[0])) {
this.ins[index].script = coinjs.script();
}
/* attempt to reorder witness data as best as we can.
data can't be easily validated at this stage as
we dont have access to the inputs value and
making a web call will be too slow. */
/*
var witness_order = [];
var witness_used = [];
for (var i = 0; i < this.ins.length; i++) {
@ -2117,6 +2127,7 @@
}
this.witness = witness_order;
*/
}
}
return true;
@ -2261,12 +2272,12 @@
for (i = 0; i < ins; ++i) {
var count = readVarInt();
var vector = [];
if (!coinjs.isArray(obj.witness[i])) {
obj.witness[i] = [];
}
for (var y = 0; y < count; y++) {
var slice = readVarInt();
pos += slice;
if (!coinjs.isArray(obj.witness[i])) {
obj.witness[i] = [];
}
obj.witness[i].push(Crypto.util.bytesToHex(buffer.slice(pos - slice, pos)));
}
}
@ -2549,7 +2560,7 @@
})();
})(typeof global !== "undefined" ? global : window);
(function(EXPORTS) { //btc_api v1.0.4b
(function(EXPORTS) { //btc_api v1.0.5b
const btc_api = EXPORTS;
const URL = "https://chain.so/api/v2/";
@ -2618,15 +2629,23 @@
}
}
const getUTXO = addr => fetch_api(`get_tx_unspent/BTC/${addr}`);
const validateAddress = btc_api.validateAddress = function(addr) {
if (!addr)
return undefined;
let type = coinjs.addressDecode(addr).type;
if (["standard", "multisig", "bech32"].includes(type))
return type;
else
return false;
}
const getBalance = btc_api.getBalance = addr => new Promise((resolve, reject) => {
btc_api.getBalance = addr => new Promise((resolve, reject) => {
fetch_api(`get_address_balance/BTC/${addr}`)
.then(result => resolve(parseFloat(result.data.confirmed_balance)))
.catch(error => reject(error))
});
function getRedeemScript(addr, key) {
function _redeemScript(addr, key) {
let decode = coinjs.addressDecode(addr);
switch (decode.type) {
case "standard":
@ -2640,55 +2659,110 @@
}
}
btc_api.sendTx = function(senderID, senderPrivKey, receivers, fee) {
function addUTXOs(tx, senders, redeemScripts, required_amount, n = 0) {
return new Promise((resolve, reject) => {
if (!verifyKey(senderID, senderPrivKey))
return reject("Invalid privateKey");
if (senderPrivKey.length === 64) //convert Hex to WIF if needed
senderPrivKey = coinjs.privkey2wif(key);
let redeemScript = getRedeemScript(senderID, senderPrivKey);
getBalance(senderID).then(balance => {
let total_amount = 0;
for (let r in receivers)
total_amount += receivers[r];
total_amount = parseFloat(total_amount.toFixed(8));
if (total_amount < fee || total_amount <= 0)
return reject("Invalid receiver amount");
if (balance < total_amount + fee)
required_amount = parseFloat(required_amount.toFixed(8));
if (required_amount <= 0 || n >= senders.length)
return resolve(required_amount);
let addr = senders[n],
rs = redeemScripts[n];
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;
required_amount -= parseFloat(utxos[i].value);
var script;
if (rs) { //redeemScript for segwit/bech32
let s = coinjs.script();
s.writeBytes(Crypto.util.hexToBytes(rs));
s.writeOp(0);
s.writeBytes(coinjs.numToBytes((utxos[i].value * 100000000).toFixed(0), 8));
script = Crypto.util.bytesToHex(s.buffer);
} else //legacy script
script = utxos[i].script_hex;
tx.addinput(utxos[i].txid, utxos[i].output_no, script, 0xfffffffd /*sequence*/ ); //0xfffffffd for Replace-by-fee
}
addUTXOs(tx, senders, redeemScripts, required_amount, n + 1)
.then(result => resolve(result))
.catch(error => reject(error))
}).catch(error => reject(error))
})
}
btc_api.sendTx = function(senders, privkeys, receivers, amounts, fee, change_addr = null) {
return new Promise((resolve, reject) => {
//Add values into array (if single values are passed)
if (!Array.isArray(senders))
senders = [senders];
if (!Array.isArray(privkeys))
privkeys = [privkeys];
if (!Array.isArray(receivers))
receivers = [receivers];
if (!Array.isArray(amounts))
amounts = [amounts];
let invalids = [];
//validate tx-input parameters
if (senders.length != privkeys.length)
return reject("Array length for senders and privkeys should be equal");
const redeemScripts = [],
wif_keys = [];
for (let i in senders) {
if (!verifyKey(senders[i], privkeys[i])) //verify private-key
invalids.push(senders[i]);
if (privkeys[i].length === 64) //convert Hex to WIF if needed
privkeys[i] = coinjs.privkey2wif(privkeys[i]);
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 (invalids.length)
return reject("Invalid keys:" + invalids);
if (typeof fee !== "number" || fee <= 0)
return reject("Invalid fee:" + fee);
//validate tx-output parameters
if (receivers.length != amounts.length)
return reject("Array length for receivers and amounts should be equal");
let total_amount = 0;
for (let i in receivers)
if (!validateAddress(receivers[i]))
invalids.push(receivers[i]);
if (invalids.length)
return reject("Invalid receivers:" + invalids);
for (let i in amounts) {
if (typeof amounts[i] !== "number" || amounts[i] <= 0)
invalids.push(amounts[i]);
else
total_amount += amounts[i];
}
if (invalids.length)
return reject("Invalid amounts:" + invalids);
if (change_addr && !validateAddress(change_addr))
return reject("Invalid change_address:" + change_addr);
//create transaction
var tx = coinjs.transaction();
total_amount = parseFloat(total_amount.toFixed(8));
addUTXOs(tx, senders, redeemScripts, total_amount + fee).then(result => {
if (result > 0)
return reject("Insufficient Balance");
var tx = coinjs.transaction();
getUTXO(senderID).then(result => {
let utxos = result.data.txs;
console.debug(balance, utxos);
var input_total = 0;
for (let i = 0; i < utxos.length && input_total < total_amount + fee; i++) {
input_total += parseFloat(utxos[i].value);
let script = utxos[i].script_hex;
if (redeemScript) { //redeemScript for segwit/bech32
let s = coinjs.script();
s.writeBytes(Crypto.util.hexToBytes(redeemScript));
s.writeOp(0);
s.writeBytes(coinjs.numToBytes((utxos[i].value * 100000000).toFixed(0), 8));
script = Crypto.util.bytesToHex(s.buffer);
}
tx.addinput(utxos[i].txid, utxos[i].output_no, script, 0xfffffffd /*sequence*/ );
}
if (input_total < total_amount + fee)
return reject("Insufficient Balance (UTXO)")
for (let r in receivers)
tx.addoutput(r, receivers[r]);
let change = parseFloat((input_total - (total_amount + fee)).toFixed(8));
if (change)
tx.addoutput(senderID, change);
console.debug(input_total, total_amount, fee, change);
console.debug("Unsigned:", tx.serialize());
tx.sign(senderPrivKey, 1 /*sighashtype*/ ); //Sign the tx using private key WIF
console.debug("Signed:", tx.serialize());
debugger;
broadcast(tx.serialize())
.then(result => resolve(result))
.catch(error => reject(error));
}).catch(error => reject(error))
for (let i in receivers)
tx.addoutput(receivers[i], amounts[i]);
let change = parseFloat(Math.abs(result).toFixed(8));
if (change > 0)
tx.addoutput(change_addr || senders[0], change);
console.debug("amounts (total, fee, change):", total_amount, fee, change);
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());
debugger;
broadcast(tx.serialize())
.then(result => resolve(result))
.catch(error => reject(error));
}).catch(error => reject(error))
})
};