From 52de5ff1cd55e49deb48693a65363e35a1b4fcba Mon Sep 17 00:00:00 2001
From: sairaj mote <sairajmote3@gmail.com>
Date: Tue, 26 Dec 2023 23:23:39 +0530
Subject: [PATCH] moving most of the API calls to multi-api mode

---
 index.html                 |   9 +-
 scripts/btcOperator.js     | 352 ++++++++++++++++++++++++++-----------
 scripts/btcOperator.min.js |   2 +-
 3 files changed, 253 insertions(+), 110 deletions(-)

diff --git a/index.html b/index.html
index b4f80e3..bbd56ce 100644
--- a/index.html
+++ b/index.html
@@ -329,7 +329,8 @@
     </sm-popup>
     <template id="sender_template">
         <fieldset class="sender-card card">
-            <sm-input class="sender-input" placeholder="Sender address" animate required></sm-input>
+            <sm-input class="sender-input" placeholder="Sender address"
+                value="bc1qgpxay3v490u5artsdvz46jfvc9e8e3cxpgcwgh" animate required></sm-input>
             <sm-input class="priv-key-input password-field" type="password" placeholder="Private Key" animate required>
                 <svg class="icon" slot="icon" xmlns="http://www.w3.org/2000/svg" enable-background="new 0 0 24 24"
                     height="24px" viewBox="0 0 24 24" width="24px" fill="#000000">
@@ -386,9 +387,9 @@
     <template id="receiver_template">
         <fieldset class="card receiver-card">
             <sm-input class="receiver-input" placeholder="Receiver address" data-btc-address animate
-                required></sm-input>
+                value="bc1qgpxay3v490u5artsdvz46jfvc9e8e3cxpgcwgh" required></sm-input>
             <div class="flex align-content-start gap-0-5 remove-card-wrapper">
-                <sm-input type="number" class="amount-input amount-shown" placeholder="Amount" min="0.000006"
+                <sm-input type="number" class="amount-input amount-shown" placeholder="Amount" min="0.000006" value="30"
                     step="0.00000001" animate required>
                     <div class="currency-symbol flex" slot="icon"></div>
                 </sm-input>
@@ -1147,7 +1148,7 @@
                         }
                         return {
                             isValid: parseFloat(value) >= minValidAmount[selectedCurrency],
-                            errorText: `Amount must be greater than ${getConvertedAmount(minValidAmount[selectedCurrency], true)} ${selectedCurrency.toUpperCase()}`
+                            errorText: `Amount must be greater than ${getConvertedAmount(minValidAmount.btc, true)} ${selectedCurrency.toUpperCase()}`
                         }
                     }
                 }
diff --git a/scripts/btcOperator.js b/scripts/btcOperator.js
index 52c1d42..5431709 100644
--- a/scripts/btcOperator.js
+++ b/scripts/btcOperator.js
@@ -1,4 +1,4 @@
-(function (EXPORTS) { //btcOperator v1.1.4
+(function (EXPORTS) { //btcOperator v1.2.0
     /* BTC Crypto and API Operator */
     const btcOperator = EXPORTS;
     const SATOSHI_IN_BTC = 1e8;
@@ -11,107 +11,288 @@
         {
             url: 'https://api.blockcypher.com/v1/btc/main/',
             name: 'Blockcypher',
-            balance(addr) {
+            balance({ addr }) {
                 return fetch_api(`addrs/${addr}/balance`, { url: this.url })
                     .then(result => util.Sat_to_BTC(result.balance))
             },
-            unspent(addr) {
-                return fetch_api(`addrs/${addr}?unspentOnly=true`, { url: this.url })
-                    .then(result => result.txrefs)
+            unspent({ addr }) {
+                return fetch_api(`addrs/${addr}?unspentOnly=true&includeScript=true`, { url: this.url })
+                    .then(result => formatUtxos(result.txrefs))
             },
-            tx(txid) {
+            tx({ txid }) {
                 return fetch_api(`txs/${txid}`, { url: this.url })
+                    .then(result => formatTx(result))
+            },
+            txHex({ txid }) {
+                return fetch_api(`txs/${txid}?includeHex=true`, { url: this.url })
                     .then(result => result.hex)
             },
-            txs(addr, before, after) {
+            txs({ addr, before, after }) {
                 return fetch_api(`addrs/${addr}/full?limit=50${before ? `&before=${before}` : ''}${after ? `&after=${after}` : ''}`, { url: this.url })
                     .then(result => result.txs)
 
             },
-            block(block) {
-                return fetch_api(`blocks/${block}`, { url: this.url })
-                    .then(result => result.hex)
-            }
-        },
-        {
-            url: 'https://blockchain.info/',
-            name: 'Blockchain',
-            balance(addr) {
-                return fetch_api(`q/addressbalance/${addr}`, { url: this.url })
-                    .then(result => util.Sat_to_BTC(result))
+            async block({ id }) {
+                try {
+                    let block = await fetch_api(`blocks/${id}`, { url: this.url })
+                    return formatBlock(block)
+                } catch (e) {
+                    console.log(e)
+                }
             },
-            unspent(addr) {
-                return fetch_api(`unspent?active=${addr}`, { url: this.url })
-                    .then(result => result.unspent_outputs)
-            },
-            tx(txid) {
-                return fetch_api(`rawtx/${txid}`, { url: this.url })
-                    .then(result => result.rawtx)
-            },
-            txs(addr, before, after) {
-                return fetch_api(`rawaddr/${addr}${before ? `?before=${before}` : ''}${after ? `?after=${after}` : ''}`, { url: this.url })
-                    .then(result => result.txs)
-            },
-            block(block) {
-                return fetch_api(`rawblock/${block}`, { url: this.url })
-                    .then(result => result.rawblock)
+            broadcast(rawTxHex) {
+                return fetch_api('txs/push', {
+                    url: this.url,
+                    method: 'POST',
+                    headers: {
+                        'Content-Type': 'application/json'
+                    },
+                    body: JSON.stringify({ tx: rawTxHex })
+                })
+                    .then(result => result.hash)
             }
         },
         {
             url: 'https://blockstream.info/api/',
             name: 'Blockstream',
-            balance(addr) {
+            balance({ addr }) {
                 return fetch_api(`address/${addr}/utxo`, { url: this.url })
                     .then(result => {
                         const balance = result.reduce((t, u) => t + u.value, 0)
                         return util.Sat_to_BTC(balance)
                     })
             },
-            unspent(addr) {
-                return fetch_api(`address/${addr}/utxo`, { url: this.url })
+            // unspent({ addr }) { // API doesn't return utxo script
+            //     return fetch_api(`address/${addr}/utxo`, { url: this.url })
+            //     .then(result => formatUtxos(result))
+            // },
+            tx({ txid }) {
+                return fetch_api(`tx/${txid}`, { url: this.url })
+                    .then(result => formatTx(result))
             },
-            tx(txid) {
-                return fetch_api(`tx/${txid}/hex`, { url: this.url })
+            txHex({ txid }) {
+                return fetch_api(`tx/${txid}/hex`, { url: this.url, asJson: false })
             },
-            txs(addr, before, after) {
+            txs({ addr, before, after }) {
                 return fetch_api(`address/${addr}/txs${before ? `?before=${before}` : ''}${after ? `?after=${after}` : ''}`, { url: this.url })
             },
-            block(block) {
-                return fetch_api(`block/${block}/hex`, { url: this.url })
+            async block({ id }) {
+                // if id is hex string then it is block hash
+                try {
+                    let blockHash = id
+                    if (!/^[0-9a-f]{64}$/i.test(id))
+                        blockHash = await fetch_api(`block-height/${id}`, { url: this.url, asJson: false })
+                    const block = await fetch_api(`block/${blockHash}`, { url: this.url })
+                    return formatBlock(block)
+                } catch (e) {
+                    console.error(e)
+                }
+            },
+            broadcast(rawTxHex) {
+                return fetch_api('tx', {
+                    url: this.url,
+                    method: 'POST',
+                    headers: {
+                        'Content-Type': 'application/json'
+                    },
+                    body: JSON.stringify({ tx: rawTxHex })
+                }, { asJson: false })
             }
         },
         {
             url: 'https://mempool.space/api/',
             name: 'Mempool',
-            balance(addr) {
+            balance({ addr }) {
                 return fetch_api(`address/${addr}`, { url: this.url })
                     .then(result => util.Sat_to_BTC(result.chain_stats.funded_txo_sum - result.chain_stats.spent_txo_sum))
             },
-            unspent(addr) {
-                return fetch_api(`address/${addr}`, { url: this.url })
-                    .then(result => result.mempool_txs)
+            // unspent({ addr }) { // API doesn't return utxo script
+            //     return fetch_api(`address/${addr}/utxo`, { url: this.url })
+            //         .then(result => formatUtxos(result)) 
+            // },
+            tx({ txid }) {
+                return fetch_api(`tx/${txid}`, { url: this.url })
+                    .then(result => formatTx(result))
+
             },
-            tx(txid) {
-                return fetch_api(`tx/${txid}/hex`, { url: this.url })
+            txHex({ txid }) {
+                return fetch_api(`tx/${txid}/hex`, { url: this.url, asJson: false })
             },
-            txs(addr, before, after) {
+            txs({ addr, before, after }) {
                 return fetch_api(`address/${addr}/txs${before ? `?before=${before}` : ''}${after ? `?after=${after}` : ''}`, { url: this.url })
             },
-            block(block) {
-                return fetch_api(`block/${block}/hex`, { url: this.url })
+            async block({ id }) {
+                // if id is hex string then it is block hash
+                try {
+                    let blockHash = id
+                    if (!/^[0-9a-f]{64}$/i.test(id))
+                        blockHash = await fetch_api(`block-height/${id}`, { url: this.url, asJson: false })
+                    const block = await fetch_api(`block/${blockHash}`, { url: this.url })
+                    return formatBlock(block)
+                } catch (e) {
+                    console.error(e)
+                }
+            },
+            broadcast(rawTxHex) {
+                return fetch_api('tx', {
+                    url: this.url,
+                    method: 'POST',
+                    headers: {
+                        'Content-Type': 'application/json'
+                    },
+                    body: JSON.stringify({ tx: rawTxHex })
+                }, { asJson: false })
+            }
+        },
+        {
+            url: 'https://blockchain.info/',
+            name: 'Blockchain',
+            balance({ addr }) {
+                return fetch_api(`q/addressbalance/${addr}`, { url: this.url })
+                    .then(result => util.Sat_to_BTC(result))
+            },
+            unspent({ addr }) {
+                return fetch_api(`unspent?active=${addr}`, { url: this.url })
+                    .then(result => formatUtxos(result.unspent_outputs))
+            },
+            tx({ txid }) {
+                return fetch_api(`rawtx/${txid}`, { url: this.url })
+                    .then(result => formatTx(result))
+            },
+            txHex({ txid }) {
+                return fetch_api(`rawtx/${txid}?format=hex`, { url: this.url, asJson: false })
+            },
+            txs({ addr, before, after }) {
+                return fetch_api(`rawaddr/${addr}${before ? `?before=${before}` : ''}${after ? `?after=${after}` : ''}`, { url: this.url })
+                    .then(result => result.txs)
+            },
+            async block({ id }) {
+                try {
+                    let block
+                    // if id is hex string then it is block hash
+                    if (/^[0-9a-f]{64}$/i.test(id))
+                        block = await fetch_api(`rawblock/${id}`, { url: this.url })
+                    else {
+                        const result = await fetch_api(`block-height/${id}?format=json`, { url: this.url })
+                        block = result.blocks[0]
+                    }
+                    return formatBlock(block)
+                } catch (e) {
+                    console.error(e)
+                }
+            },
+            async blockTxs({ id }) {
+                try {
+                    let block
+                    // if id is hex string then it is block hash
+                    if (/^[0-9a-f]{64}$/i.test(id))
+                        block = await fetch_api(`rawblock/${id}`, { url: this.url })
+                    else {
+                        const result = await fetch_api(`block-height/${id}?format=json`, { url: this.url })
+                        block = result.blocks[0]
+                    }
+                    return block.tx
+                } catch (e) {
+                    console.error(e)
+                }
+            },
+            broadcast(rawTxHex) {
+                return fetch_api('pushtx', {
+                    url: this.url,
+                    method: 'POST',
+                    headers: {
+                        'Content-Type': 'application/x-www-form-urlencoded'
+                    },
+                    body: "tx=" + rawTxHex
+                })
             }
         }
     ]
 
+    btcOperator.util.format = {} // functions to homogenize API results
+    const formatBlock = btcOperator.util.format.block = async (block) => {
+        try {
+            const { height, hash, id, time, timestamp, mrkl_root, merkle_root, prev_block, next_block, size } = block;
+            const details = {
+                height,
+                hash: hash || id,
+                time: (time || timestamp) * 1000,
+                merkle_root: merkle_root || mrkl_root,
+                size,
+            }
+            if (prev_block)
+                details.prev_block = prev_block
+            if (next_block)
+                details.next_block = next_block[0]
+            return details
+        } catch (e) {
+            console.error(e)
+        }
+    }
+    const formatUtxos = btcOperator.util.format.utxos = async (utxos) => {
+        try {
+            return utxos.map(utxo => {
+                const { tx_hash, tx_hash_big_endian, txid, tx_output_n, vout, value, script, confirmations, status: { confirmed } = {} } = utxo;
+                return {
+                    confirmations: confirmations || confirmed,
+                    tx_hash_big_endian: tx_hash_big_endian || tx_hash || txid,
+                    tx_output_n: tx_output_n || vout,
+                    value,
+                    script
+                }
+            })
+        } catch (e) {
+            console.error(e)
+        }
+    }
+
+    const formatTx = btcOperator.util.format.tx = async (tx, addressOfTx) => {
+        try {
+            const { txid, hash, time, block_height, fee, fees, received,
+                confirmed, size, double_spend, block_hash, confirmations,
+                status: { block_height: statusBlockHeight, block_hash: statusBlockHash } = {}
+            } = tx;
+            const inputs = tx.vin || tx.inputs;
+            const outputs = tx.vout || tx.outputs || tx.out;
+            return {
+                hash: hash || txid,
+                size: size,
+                fee: fee || fees,
+                double_spend,
+                time: (time * 1000) || new Date(confirmed || received).getTime(),
+                block_height: block_height || statusBlockHeight,
+                block_hash: block_hash || statusBlockHash,
+                confirmations,
+                inputs: inputs.map(input => {
+                    return {
+                        index: input.n || input.output_index || input.vout,
+                        prev_out: {
+                            addr: input.prev_out?.addr || input.addresses?.[0] || input.prev_out?.address || input.addr,
+                            value: input.prev_out?.value || input.output_value,
+                        },
+                    }
+                }),
+                out: outputs.map(output => {
+                    return {
+                        addr: output.scriptpubkey_address || output.addresses?.[0] || output.scriptpubkey_address || output.addr,
+                        value: output.value || output.scriptpubkey_value,
+                    }
+                })
+            }
+        } catch (e) {
+            console.error(e)
+        }
+    }
+
     const multiApi = btcOperator.multiApi = (fnName, { index = 0, ...args } = {}) => {
         return new Promise((resolve, reject) => {
             if (index >= APIs.length)
                 return reject("All APIs failed");
-            if (APIs[index].coolDownTime && APIs[index].coolDownTime > new Date().getTime())
+            if (!APIs[index][fnName] || APIs[index].coolDownTime && APIs[index].coolDownTime > new Date().getTime())
                 return multiApi(fnName, { index: index + 1, ...args })
                     .then(result => resolve(result))
                     .catch(error => reject(error))
-            APIs[index][fnName](...Object.values(args))
+            APIs[index][fnName](args)
                 .then(result => resolve(result))
                 .catch(error => {
                     // if failed add a cool down and try next API
@@ -658,8 +839,7 @@
                 rs = redeemScripts[rec_args.n];
             let addr_type = coinjs.addressDecode(addr).type;
             let size_per_input = _sizePerInput(addr, rs);
-            fetch_api(`unspent?active=${addr}`).then(result => {
-                let utxos = result.unspent_outputs;
+            multiApi('unspent', { addr }).then(utxos => {
                 //console.debug("add-utxo", addr, rs, required_amount, utxos);
                 for (let i = 0; i < utxos.length && required_amount > 0; i++) {
                     if (utxos.length === 1 && rec_args.allowUnconfirmedUtxos) {
@@ -707,43 +887,6 @@
     }
     btcOperator.addOutputs = addOutputs;
 
-    /*
-    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);
-    }
-    */
-
     function tx_fetch_for_editing(tx) {
         return new Promise((resolve, reject) => {
             if (typeof tx == 'string' && /^[0-9a-f]{64}$/i.test(tx)) { //tx is txid
@@ -1148,7 +1291,7 @@
     }
 
     const getTxOutput = (txid, i) => new Promise((resolve, reject) => {
-        fetch_api(`rawtx/${txid}`)
+        multiApi('tx', { txid })
             .then(result => resolve(result.out[i]))
             .catch(error => reject(error))
     });
@@ -1210,29 +1353,28 @@
             .catch(error => reject(error))
     })
 
-    const getTx = btcOperator.getTx = txid => new Promise((resolve, reject) => {
-        fetch_api(`rawtx/${txid}`).then(result => {
-            console.debug("Tx:", result);
-            getLatestBlock().then(latest_block => resolve({
+    const getTx = btcOperator.getTx = txid => new Promise(async (resolve, reject) => {
+        try {
+            const result = await multiApi('tx', { txid });
+            if (!result.hasOwnProperty('confirmations'))
+                result.confirmations = await getLatestBlock() - result.block_height;
+            resolve({
                 block: result.block_height,
                 txid: result.hash,
                 time: result.time * 1000,
-                confirmations: result.block_height === null ? 0 : latest_block - result.block_height, //calculate confirmations using latest block number as api doesnt relay it
                 size: result.size,
                 fee: util.Sat_to_BTC(result.fee),
                 inputs: result.inputs.map(i => Object({ address: i.prev_out.addr, value: util.Sat_to_BTC(i.prev_out.value) })),
                 total_input_value: util.Sat_to_BTC(result.inputs.reduce((a, i) => a + i.prev_out.value, 0)),
                 outputs: result.out.map(o => Object({ address: o.addr, value: util.Sat_to_BTC(o.value) })),
                 total_output_value: util.Sat_to_BTC(result.out.reduce((a, o) => a += o.value, 0)),
-            }))
-        }).catch(error => reject(error))
-    });
+            })
+        } catch (error) {
+            reject(error)
+        }
+    }).catch(error => reject(error))
 
-    getTx.hex = btcOperator.getTx.hex = txid => new Promise((resolve, reject) => {
-        fetch_api(`rawtx/${txid}?format=hex`, { asJson: false })
-            .then(result => resolve(result))
-            .catch(error => reject(error))
-    })
+    getTx.hex = btcOperator.getTx.hex = txid => multiApi('txHex', { txid });
 
     btcOperator.getAddressData = address => new Promise((resolve, reject) => {
         Promise.all([
diff --git a/scripts/btcOperator.min.js b/scripts/btcOperator.min.js
index c34e8fe..fa892ee 100644
--- a/scripts/btcOperator.min.js
+++ b/scripts/btcOperator.min.js
@@ -1 +1 @@
-!function(EXPORTS){const btcOperator="object"===typeof module?module.exports:window.btcOperator={},util=btcOperator.util={};util.Sat_to_BTC=value=>parseFloat((value/1e8).toFixed(8)),util.BTC_to_Sat=value=>parseInt(1e8*value);const APIs=btcOperator.APIs=[{url:"https://api.blockcypher.com/v1/btc/main/",name:"Blockcypher",balance(addr){return fetch_api(`addrs/${addr}/balance`,{url:this.url}).then((result=>util.Sat_to_BTC(result.balance)))},unspent(addr){return fetch_api(`addrs/${addr}?unspentOnly=true`,{url:this.url}).then((result=>result.txrefs))},tx(txid){return fetch_api(`txs/${txid}`,{url:this.url}).then((result=>result.hex))},txs(addr,before,after){return fetch_api(`addrs/${addr}/full?limit=50${before?`&before=${before}`:""}${after?`&after=${after}`:""}`,{url:this.url}).then((result=>result.txs))},block(block){return fetch_api(`blocks/${block}`,{url:this.url}).then((result=>result.hex))}},{url:"https://blockchain.info/",name:"Blockchain",balance(addr){return fetch_api(`q/addressbalance/${addr}`,{url:this.url}).then((result=>util.Sat_to_BTC(result)))},unspent(addr){return fetch_api(`unspent?active=${addr}`,{url:this.url}).then((result=>result.unspent_outputs))},tx(txid){return fetch_api(`rawtx/${txid}`,{url:this.url}).then((result=>result.rawtx))},txs(addr,before,after){return fetch_api(`rawaddr/${addr}${before?`?before=${before}`:""}${after?`?after=${after}`:""}`,{url:this.url}).then((result=>result.txs))},block(block){return fetch_api(`rawblock/${block}`,{url:this.url}).then((result=>result.rawblock))}},{url:"https://blockstream.info/api/",name:"Blockstream",balance(addr){return fetch_api(`address/${addr}/utxo`,{url:this.url}).then((result=>{const balance=result.reduce(((t,u)=>t+u.value),0);return util.Sat_to_BTC(balance)}))},unspent(addr){return fetch_api(`address/${addr}/utxo`,{url:this.url})},tx(txid){return fetch_api(`tx/${txid}/hex`,{url:this.url})},txs(addr,before,after){return fetch_api(`address/${addr}/txs${before?`?before=${before}`:""}${after?`?after=${after}`:""}`,{url:this.url})},block(block){return fetch_api(`block/${block}/hex`,{url:this.url})}},{url:"https://mempool.space/api/",name:"Mempool",balance(addr){return fetch_api(`address/${addr}`,{url:this.url}).then((result=>util.Sat_to_BTC(result.chain_stats.funded_txo_sum-result.chain_stats.spent_txo_sum)))},unspent(addr){return fetch_api(`address/${addr}`,{url:this.url}).then((result=>result.mempool_txs))},tx(txid){return fetch_api(`tx/${txid}/hex`,{url:this.url})},txs(addr,before,after){return fetch_api(`address/${addr}/txs${before?`?before=${before}`:""}${after?`?after=${after}`:""}`,{url:this.url})},block(block){return fetch_api(`block/${block}/hex`,{url:this.url})}}],multiApi=btcOperator.multiApi=(fnName,{index:index=0,...args}={})=>new Promise(((resolve,reject)=>index>=APIs.length?reject("All APIs failed"):APIs[index].coolDownTime&&APIs[index].coolDownTime>(new Date).getTime()?multiApi(fnName,{index:index+1,...args}).then((result=>resolve(result))).catch((error=>reject(error))):void APIs[index][fnName](...Object.values(args)).then((result=>resolve(result))).catch((error=>{console.debug(error),APIs[index].coolDownTime=(new Date).getTime()+6e5,multiApi(fnName,{index:index+1,...args}).then((result=>resolve(result))).catch((error=>reject(error)))}))));const fetch_api=btcOperator.fetch=function(api,{asJson:asJson=!0,url:url="https://blockchain.info/"}={}){return new Promise(((resolve,reject)=>{console.debug(url+api),fetch(url+api).then((response=>{response.ok?(asJson?response.json():response.text()).then((result=>resolve(result))).catch((error=>reject(error))):response.json().then((result=>reject(result))).catch((error=>reject(error)))})).catch((error=>reject(error)))}))};const broadcastTx=btcOperator.broadcastTx=rawTxHex=>new Promise(((resolve,reject)=>{console.log("txHex:",rawTxHex);fetch("https://coinb.in/api/?uid=1&key=12345678901234567890123456789012&setmodule=bitcoin&request=sendrawtransaction",{method:"POST",headers:{"Content-Type":"application/x-www-form-urlencoded"},body:"rawtx="+rawTxHex}).then((response=>{response.text().then((resultText=>{let r=resultText.match(/<result>.*<\/result>/);if(r)if(r=r.pop().replace("<result>","").replace("</result>",""),"1"==r){let txid=resultText.match(/<txid>.*<\/txid>/).pop().replace("<txid>","").replace("</txid>","");resolve(txid)}else if("0"==r){let error;error=resultText.includes("<message>")?resultText.match(/<message>.*<\/message>/).pop().replace("<message>","").replace("</message>",""):resultText.match(/<response>.*<\/response>/).pop().replace("<response>","").replace("</response>",""),reject(decodeURIComponent(error.replace(/\+/g," ")))}else reject(resultText);else reject(resultText)})).catch((error=>reject(error)))})).catch((error=>reject(error)))}));Object.defineProperties(btcOperator,{newKeys:{get:()=>{let r=coinjs.newKeys();return r.segwitAddress=coinjs.segwitAddress(r.pubkey).address,r.bech32Address=coinjs.bech32Address(r.pubkey).address,r}},pubkey:{value:key=>key.length>=66?key:64==key.length?coinjs.newPubkey(key):coinjs.wif2pubkey(key).pubkey},address:{value:(key,prefix=void 0)=>coinjs.pubkey2address(btcOperator.pubkey(key),prefix)},segwitAddress:{value:key=>coinjs.segwitAddress(btcOperator.pubkey(key)).address},bech32Address:{value:key=>coinjs.bech32Address(btcOperator.pubkey(key)).address},bech32mAddress:{value:key=>segwit_addr.encode("bc",1,key)}}),coinjs.compressed=!0;const verifyKey=btcOperator.verifyKey=function(addr,key){if(addr&&key)switch(coinjs.addressDecode(addr).type){case"standard":return btcOperator.address(key)===addr;case"multisig":return btcOperator.segwitAddress(key)===addr;case"bech32":return btcOperator.bech32Address(key)===addr;case"bech32m":return btcOperator.bech32mAddress(key)===addr;default:return null}},validateAddress=btcOperator.validateAddress=function(addr){if(!addr)return;let type=coinjs.addressDecode(addr).type;return!!["standard","multisig","bech32","multisigBech32","bech32m"].includes(type)&&type};btcOperator.multiSigAddress=function(pubKeys,minRequired,bech32=!0){if(!Array.isArray(pubKeys))throw"pubKeys must be an array of public keys";if(pubKeys.length<minRequired)throw"minimum required should be less than the number of pubKeys";return bech32?coinjs.pubkeys2MultisigAddressBech32(pubKeys,minRequired):coinjs.pubkeys2MultisigAddress(pubKeys,minRequired)},btcOperator.decodeRedeemScript=function(redeemScript,bech32=!0){let script=coinjs.script(),decoded=bech32?script.decodeRedeemScriptBech32(redeemScript):script.decodeRedeemScript(redeemScript);return decoded?{address:decoded.address,pubKeys:decoded.pubkeys,redeemScript:decoded.redeemscript,required:decoded.signaturesRequired}:null},btcOperator.convert={},btcOperator.convert.wif=function(source_wif,target_version=coinjs.priv){let keyHex=util.decodeLegacy(source_wif).hex;return!keyHex||keyHex.length<66||!/01$/.test(keyHex)?null:util.encodeLegacy(keyHex,target_version)},btcOperator.convert.legacy2legacy=function(source_addr,target_version=coinjs.pub){let rawHex=util.decodeLegacy(source_addr).hex;return rawHex?util.encodeLegacy(rawHex,target_version):null},btcOperator.convert.legacy2bech=function(source_addr,target_version=coinjs.bech32.version,target_hrp=coinjs.bech32.hrp){let rawHex=util.decodeLegacy(source_addr).hex;return rawHex?util.encodeBech32(rawHex,target_version,target_hrp):null},btcOperator.convert.bech2bech=function(source_addr,target_version=coinjs.bech32.version,target_hrp=coinjs.bech32.hrp){let rawHex=util.decodeBech32(source_addr).hex;return rawHex?util.encodeBech32(rawHex,target_version,target_hrp):null},btcOperator.convert.bech2legacy=function(source_addr,target_version=coinjs.pub){let rawHex=util.decodeBech32(source_addr).hex;return rawHex?util.encodeLegacy(rawHex,target_version):null},btcOperator.convert.multisig2multisig=function(source_addr,target_version=coinjs.multisig){let rawHex=util.decodeLegacy(source_addr).hex;return rawHex?util.encodeLegacy(rawHex,target_version):null},btcOperator.convert.bech2multisig=function(source_addr,target_version=coinjs.multisig){let rawHex=util.decodeBech32(source_addr).hex;return rawHex?(rawHex=Crypto.util.bytesToHex(ripemd160(Crypto.util.hexToBytes(rawHex),{asBytes:!0})),util.encodeLegacy(rawHex,target_version)):null},util.decodeLegacy=function(source){var decode=coinjs.base58decode(source),raw=decode.slice(0,decode.length-4),checksum=decode.slice(decode.length-4),hash=Crypto.SHA256(Crypto.SHA256(raw,{asBytes:!0}),{asBytes:!0});if(hash[0]!=checksum[0]||hash[1]!=checksum[1]||hash[2]!=checksum[2]||hash[3]!=checksum[3])return!1;return{version:raw.shift(),hex:Crypto.util.bytesToHex(raw)}},util.encodeLegacy=function(hex,version){var bytes=Crypto.util.hexToBytes(hex);bytes.unshift(version);var checksum=Crypto.SHA256(Crypto.SHA256(bytes,{asBytes:!0}),{asBytes:!0}).slice(0,4);return coinjs.base58encode(bytes.concat(checksum))},util.decodeBech32=function(source){let decode=coinjs.bech32_decode(source);if(!decode)return!1;var raw=decode.data;let version=raw.shift();return raw=coinjs.bech32_convert(raw,5,8,!1),{hrp:decode.hrp,version:version,hex:Crypto.util.bytesToHex(raw)}},util.encodeBech32=function(hex,version,hrp){var bytes=Crypto.util.hexToBytes(hex);return(bytes=coinjs.bech32_convert(bytes,8,5,!0)).unshift(version),coinjs.bech32_encode(hrp,bytes)},btcOperator.getBalance=addr=>new Promise(((resolve,reject)=>{if(!validateAddress(addr))return reject("Invalid address");multiApi("balance",{addr:addr}).then((result=>resolve(result))).catch((error=>reject(error)))}));const BASE_TX_SIZE=12,BASE_INPUT_SIZE=41,LEGACY_INPUT_SIZE=107,BECH32_INPUT_SIZE=27,BECH32_MULTISIG_INPUT_SIZE=35,SEGWIT_INPUT_SIZE=59,MULTISIG_INPUT_SIZE_ES=351,BASE_OUTPUT_SIZE=9,LEGACY_OUTPUT_SIZE=25,BECH32_OUTPUT_SIZE=23,BECH32_MULTISIG_OUTPUT_SIZE=34,SEGWIT_OUTPUT_SIZE=23;function _redeemScript(addr,key){let decode=coinjs.addressDecode(addr);switch(decode.type){case"standard":return!1;case"multisig":return key?coinjs.segwitAddress(btcOperator.pubkey(key)).redeemscript:null;case"bech32":case"'multisigBech32":return decode.redeemscript;case"bech32m":return decode.outstring;default:return null}}function _sizePerOutput(addr){switch(coinjs.addressDecode(addr).type){case"standard":return BASE_OUTPUT_SIZE+LEGACY_OUTPUT_SIZE;case"bech32":return BASE_OUTPUT_SIZE+BECH32_OUTPUT_SIZE;case"multisigBech32":return BASE_OUTPUT_SIZE+BECH32_MULTISIG_OUTPUT_SIZE;case"multisig":return BASE_OUTPUT_SIZE+SEGWIT_OUTPUT_SIZE;case"bech32m":return BASE_OUTPUT_SIZE+BECH32M_OUTPUT_SIZE;default:return null}}function validateTxParameters(parameters){let invalids=[];if(parameters.senders&&(Array.isArray(parameters.senders)||(parameters.senders=[parameters.senders]),parameters.senders.forEach((id=>validateAddress(id)?null:invalids.push(id))),invalids.length))throw"Invalid senders:"+invalids;if(parameters.privkeys){if(Array.isArray(parameters.privkeys)||(parameters.privkeys=[parameters.privkeys]),parameters.senders.length!=parameters.privkeys.length)throw"Array length for senders and privkeys should be equal";if(parameters.senders.forEach(((id,i)=>{let key=parameters.privkeys[i];verifyKey(id,key)||invalids.push(id),64===key.length&&(parameters.privkeys[i]=coinjs.privkey2wif(key))})),invalids.length)throw"Invalid private key for address:"+invalids}if(Array.isArray(parameters.receivers)||(parameters.receivers=[parameters.receivers]),parameters.receivers.forEach((id=>validateAddress(id)?null:invalids.push(id))),invalids.length)throw"Invalid receivers:"+invalids;if(parameters.change_address&&!validateAddress(parameters.change_address))throw"Invalid change_address:"+parameters.change_address;if(("number"!=typeof parameters.fee||parameters.fee<=0)&&null!==parameters.fee)throw"Invalid fee:"+parameters.fee;if(Array.isArray(parameters.amounts)||(parameters.amounts=[parameters.amounts]),parameters.receivers.length!=parameters.amounts.length)throw"Array length for receivers and amounts should be equal";if(parameters.amounts.forEach((a=>"number"!=typeof a||a<=0?invalids.push(a):null)),invalids.length)throw"Invalid amounts:"+invalids;return parameters}function createTransaction(senders,redeemScripts,receivers,amounts,fee,change_address,fee_from_receiver,allowUnconfirmedUtxos=!1){return new Promise(((resolve,reject)=>{let total_amount=parseFloat(amounts.reduce(((t,a)=>t+a),0).toFixed(8));const tx=coinjs.transaction();let output_size=addOutputs(tx,receivers,amounts,change_address);addInputs(tx,senders,redeemScripts,total_amount,fee,output_size,fee_from_receiver,allowUnconfirmedUtxos).then((result=>{if(result.change_amount>0&&result.change_amount>result.fee&&(tx.outs[tx.outs.length-1].value=util.BTC_to_Sat(result.change_amount)),fee_from_receiver){let fee_remaining=util.BTC_to_Sat(result.fee);for(let i=0;i<tx.outs.length-1&&fee_remaining>0;i++)fee_remaining<tx.outs[i].value?(tx.outs[i].value-=fee_remaining,fee_remaining=0):(fee_remaining-=tx.outs[i].value,tx.outs[i].value=0);if(fee_remaining>0)return reject("Send amount is less than fee")}let filtered_outputs=[],dust_value=0;tx.outs.forEach((o=>o.value>=546?filtered_outputs.push(o):dust_value+=o.value)),tx.outs=filtered_outputs,result.fee+=util.Sat_to_BTC(dust_value),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,allowUnconfirmedUtxos=!1){return new Promise(((resolve,reject)=>{null!==fee?addUTXOs(tx,senders,redeemScripts,fee_from_receiver?total_amount:total_amount+fee,!1,{allowUnconfirmedUtxos:allowUnconfirmedUtxos}).then((result=>{result.fee=fee,resolve(result)})).catch((error=>reject(error))):new Promise(((resolve,reject)=>{fetch("https://api.blockchain.info/mempool/fees").then((response=>{response.ok?response.json().then((result=>resolve(util.Sat_to_BTC(result.regular)))).catch((error=>reject(error))):reject(response)})).catch((error=>reject(error)))})).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,!1,{allowUnconfirmedUtxos:allowUnconfirmedUtxos}):addUTXOs(tx,senders,redeemScripts,total_amount+net_fee,fee_rate,{allowUnconfirmedUtxos:allowUnconfirmedUtxos})).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={allowUnconfirmedUtxos:!1}){return new Promise(((resolve,reject)=>{if(required_amount=parseFloat(required_amount.toFixed(8)),void 0===rec_args.n&&(rec_args.n=0,rec_args.input_size=0,rec_args.input_amount=0),required_amount<=0)return resolve({input_size:rec_args.input_size,input_amount:rec_args.input_amount,change_amount:-1*required_amount});if(rec_args.n>=senders.length)return reject("Insufficient Balance");let addr=senders[rec_args.n],rs=redeemScripts[rec_args.n],addr_type=coinjs.addressDecode(addr).type,size_per_input=function(addr,rs){switch(coinjs.addressDecode(addr).type){case"standard":return BASE_INPUT_SIZE+LEGACY_INPUT_SIZE;case"bech32":return BASE_INPUT_SIZE+BECH32_INPUT_SIZE;case"multisigBech32":return BASE_INPUT_SIZE+BECH32_MULTISIG_INPUT_SIZE;case"multisig":switch(coinjs.script().decodeRedeemScript(rs).type){case"segwit__":return BASE_INPUT_SIZE+SEGWIT_INPUT_SIZE;case"multisig__":return BASE_INPUT_SIZE+MULTISIG_INPUT_SIZE_ES;default:return null}default:return null}}(addr,rs);fetch_api(`unspent?active=${addr}`).then((result=>{let utxos=result.unspent_outputs;for(let i=0;i<utxos.length&&required_amount>0;i++){if(1===utxos.length&&rec_args.allowUnconfirmedUtxos)console.log("allowing unconfirmed utxos");else if(!utxos[i].confirmations)continue;var script;if(rs&&rs.length)if(rs.match(/^00/)&&44==rs.length||40==rs.length&&rs.match(/^[a-f0-9]+$/gi)||"multisigBech32"===addr_type){let s=coinjs.script();s.writeBytes(Crypto.util.hexToBytes(rs)),s.writeOp(0),s.writeBytes(coinjs.numToBytes(utxos[i].value.toFixed(0),8)),script=Crypto.util.bytesToHex(s.buffer)}else script=rs;else script=utxos[i].script;tx.addinput(utxos[i].tx_hash_big_endian,utxos[i].tx_output_n,script,4294967293),rec_args.input_size+=size_per_input,rec_args.input_amount+=util.Sat_to_BTC(utxos[i].value),required_amount-=util.Sat_to_BTC(utxos[i].value),fee_rate&&(required_amount+=size_per_input*fee_rate)}rec_args.n+=1,addUTXOs(tx,senders,redeemScripts,required_amount,fee_rate,rec_args).then((result=>resolve(result))).catch((error=>reject(error)))})).catch((error=>reject(error)))}))}function addOutputs(tx,receivers,amounts,change_address){let size=0;for(let i in receivers)tx.addoutput(receivers[i],amounts[i]),size+=_sizePerOutput(receivers[i]);return tx.addoutput(change_address,0),size+=_sizePerOutput(change_address),size}function tx_fetch_for_editing(tx){return new Promise(((resolve,reject)=>{"string"==typeof tx&&/^[0-9a-f]{64}$/i.test(tx)?getTx.hex(tx).then((txhex=>resolve(deserializeTx(txhex)))).catch((error=>reject(error))):resolve(deserializeTx(tx))}))}BECH32M_OUTPUT_SIZE=35,btcOperator._redeemScript=_redeemScript,btcOperator.validateTxParameters=validateTxParameters,btcOperator.createTransaction=createTransaction,btcOperator.addInputs=addInputs,btcOperator.addUTXOs=addUTXOs,btcOperator.addOutputs=addOutputs,btcOperator.tx_fetch_for_editing=tx_fetch_for_editing;btcOperator.extractLastHexStrings=function(arr){const result=[];for(let i=0;i<arr.length;i++){const innerArray=arr[i];if(innerArray.length>0){const lastHexString=innerArray[innerArray.length-1];result.push(lastHexString)}}return result};btcOperator.editFee=function(tx_hex,new_fee,private_keys,change_only=!0){return new Promise(((resolve,reject)=>{Array.isArray(private_keys)||(private_keys=[private_keys]),tx_fetch_for_editing(tx_hex).then((tx=>{parseTransaction(tx).then((tx_parsed=>{if(tx_parsed.fee>=new_fee)return reject("Fees can only be increased");var edit_output_address=new Set;!0===change_only?tx_parsed.inputs.forEach((inp=>edit_output_address.add(inp.address))):!1===change_only?tx_parsed.outputs.forEach((out=>edit_output_address.add(out.address))):"string"==typeof change_only?edit_output_address.add(change_only):Array.isArray(change_only)&&change_only.forEach((id=>edit_output_address.add(id)));let inc_fee=util.BTC_to_Sat(new_fee-tx_parsed.fee);if(inc_fee<219)return reject("Insufficient additional fee. Minimum increment: 219");for(let i=tx.outs.length-1;i>=0&&inc_fee>0;i--)if(edit_output_address.has(tx_parsed.outputs[i].address)){let current_value=tx.outs[i].value;current_value instanceof BigInteger&&(current_value=current_value.intValue()),current_value>inc_fee?(tx.outs[i].value=current_value-inc_fee,inc_fee=0):(inc_fee-=current_value,tx.outs[i].value=0)}if(inc_fee>0){let max_possible_fee=util.BTC_to_Sat(new_fee)-inc_fee;return reject(`Insufficient output values to increase fee. Maximum fee possible: ${util.Sat_to_BTC(max_possible_fee)}`)}tx.outs=tx.outs.filter((o=>o.value>=546));let wif_keys=[];for(let i in tx.ins){var addr=tx_parsed.inputs[i].address,value=util.BTC_to_Sat(tx_parsed.inputs[i].value);let addr_decode=coinjs.addressDecode(addr);var privKey=private_keys.find((pk=>verifyKey(addr,pk)));if(!privKey)return reject(`Private key missing for ${addr}`);const rs=_redeemScript(addr,privKey);var script;if(!1===rs?wif_keys.unshift(privKey):wif_keys.push(privKey),rs&&rs.length)if(rs.match(/^00/)&&44==rs.length||40==rs.length&&rs.match(/^[a-f0-9]+$/gi)||"multisigBech32"===addr_decode.type){let s=coinjs.script();s.writeBytes(Crypto.util.hexToBytes(rs)),s.writeOp(0),s.writeBytes(coinjs.numToBytes(value.toFixed(0),8)),script=Crypto.util.bytesToHex(s.buffer)}else script=rs;else{let s=coinjs.script();s.writeOp(118),s.writeOp(169),s.writeBytes(addr_decode.bytes),s.writeOp(136),s.writeOp(172),script=Crypto.util.bytesToHex(s.buffer)}tx.ins[i].script=coinjs.script(script)}tx.witness=!1,console.debug("Unsigned:",tx.serialize()),new Set(wif_keys).forEach((key=>tx.sign(key,1))),resolve(tx.serialize())})).catch((error=>reject(error)))})).catch((error=>reject(error)))}))},btcOperator.editFee_corewallet=function(tx_hex,new_fee,private_keys,change_only=!0){return new Promise(((resolve,reject)=>{Array.isArray(private_keys)||(private_keys=[private_keys]),tx_fetch_for_editing(tx_hex).then((tx=>{parseTransaction(tx).then((tx_parsed=>{if(tx_parsed.fee>=new_fee)return reject("Fees can only be increased");var edit_output_address=new Set;!0===change_only?tx_parsed.inputs.forEach((inp=>edit_output_address.add(inp.address))):!1===change_only?tx_parsed.outputs.forEach((out=>edit_output_address.add(out.address))):"string"==typeof change_only?edit_output_address.add(change_only):Array.isArray(change_only)&&change_only.forEach((id=>edit_output_address.add(id)));let inc_fee=util.BTC_to_Sat(new_fee-tx_parsed.fee);if(inc_fee<219)return reject("Insufficient additional fee. Minimum increment: 219");for(let i=tx.outs.length-1;i>=0&&inc_fee>0;i--)if(edit_output_address.has(tx_parsed.outputs[i].address)){let current_value=tx.outs[i].value;current_value instanceof BigInteger&&(current_value=current_value.intValue()),current_value>inc_fee?(tx.outs[i].value=current_value-inc_fee,inc_fee=0):(inc_fee-=current_value,tx.outs[i].value=0)}if(inc_fee>0){let max_possible_fee=util.BTC_to_Sat(new_fee)-inc_fee;return reject(`Insufficient output values to increase fee. Maximum fee possible: ${util.Sat_to_BTC(max_possible_fee)}`)}tx.outs=tx.outs.filter((o=>o.value>=546));let wif_keys=[],witness_position=0;for(let i in tx.ins){var addr=tx_parsed.inputs[i].address,value=util.BTC_to_Sat(tx_parsed.inputs[i].value);let addr_decode=coinjs.addressDecode(addr);var privKey=private_keys.find((pk=>verifyKey(addr,pk)));if(!privKey)return reject(`Private key missing for ${addr}`);const rs=_redeemScript(addr,privKey);var script;if(!1===rs?wif_keys.unshift(privKey):wif_keys.push(privKey),rs&&rs.length)if(rs.match(/^00/)&&44==rs.length||40==rs.length&&rs.match(/^[a-f0-9]+$/gi)){let s=coinjs.script();s.writeBytes(Crypto.util.hexToBytes(rs)),s.writeOp(0),s.writeBytes(coinjs.numToBytes(value.toFixed(0),8)),script=Crypto.util.bytesToHex(s.buffer),"bech32"==addr_decode&&(witness_position+=1)}else if("multisigBech32"===addr_decode.type){let redeemScript=btcOperator.extractLastHexStrings(tx.witness)[witness_position];witness_position+=1;let s=coinjs.script();s.writeBytes(Crypto.util.hexToBytes(redeemScript)),s.writeOp(0),s.writeBytes(coinjs.numToBytes(value.toFixed(0),8)),script=Crypto.util.bytesToHex(s.buffer)}else script=rs;else{let s=coinjs.script();s.writeOp(118),s.writeOp(169),s.writeBytes(addr_decode.bytes),s.writeOp(136),s.writeOp(172),script=Crypto.util.bytesToHex(s.buffer)}tx.ins[i].script=coinjs.script(script)}tx.witness=!1,console.debug("Unsigned:",tx.serialize()),new Set(wif_keys).forEach((key=>tx.sign(key,1))),btcOperator.checkSigned(tx)?resolve(tx.serialize()):reject("All private keys not present")})).catch((error=>reject(error)))})).catch((error=>reject(error)))}))},btcOperator.sendTx=function(senders,privkeys,receivers,amounts,fee=null,options={}){return new Promise(((resolve,reject)=>{createSignedTx(senders,privkeys,receivers,amounts,fee,options).then((result=>{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:senders,privkeys:privkeys,receivers:receivers,amounts:amounts}=validateTxParameters({senders:senders,privkeys:privkeys,receivers:receivers,amounts:amounts,fee: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]);redeemScripts.push(rs),!1===rs?wif_keys.unshift(privkeys[i]):wif_keys.push(privkeys[i])}if(redeemScripts.includes(null))return reject("Unable to get redeem-script");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=>tx.sign(key,1))),console.debug("Signed:",tx.serialize()),resolve(result)})).catch((error=>reject(error)))}))};btcOperator.createTx=function(senders,receivers,amounts,fee=null,options={allowUnconfirmedUtxos:!1}){return new Promise(((resolve,reject)=>{try{({senders:senders,receivers:receivers,amounts:amounts}=validateTxParameters({senders:senders,receivers:receivers,amounts:amounts,fee:fee,change_address:options.change_address}))}catch(e){return reject(e)}let redeemScripts=senders.map((id=>_redeemScript(id)));if(redeemScripts.includes(null))return reject("Unable to get redeem-script");createTransaction(senders,redeemScripts,receivers,amounts,fee,options.change_address||senders[0],options.fee_from_receiver,options.allowUnconfirmedUtxos).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)=>{let addr_type=validateAddress(sender);if(!["multisig","multisigBech32"].includes(addr_type))return reject("Invalid sender (multisig):"+sender);{let script=coinjs.script(),decode="multisig"==addr_type?script.decodeRedeemScript(redeemScript):script.decodeRedeemScriptBech32(redeemScript);if(!decode||decode.address!==sender)return reject("Invalid redeem-script")}try{({receivers:receivers,amounts:amounts}=validateTxParameters({receivers:receivers,amounts:amounts,fee:fee,change_address:options.change_address}))}catch(e){return reject(e)}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)))}))};const deserializeTx=btcOperator.deserializeTx=function(tx){if("string"==typeof tx||Array.isArray(tx))try{tx=coinjs.transaction().deserialize(tx)}catch{throw"Invalid transaction hex"}else if("object"!=typeof tx||"function"!=typeof tx.sign)throw"Invalid transaction object";return tx};btcOperator.signTx=function(tx,privkeys,sighashtype=1){tx=deserializeTx(tx),Array.isArray(privkeys)||(privkeys=[privkeys]);for(let i in privkeys)64===privkeys[i].length&&(privkeys[i]=coinjs.privkey2wif(privkeys[i]));return new Set(privkeys).forEach((key=>tx.sign(key,sighashtype))),tx.serialize()};const checkSigned=btcOperator.checkSigned=function(tx,bool=!0){tx=deserializeTx(tx);let n=[];for(let i in tx.ins){var s=tx.extractScriptKey(i);if("multisig"!==s.type&&"multisig_bech32"!==s.type)n.push("true"==s.signed||tx.witness[i]&&2==tx.witness[i].length);else{var rs=coinjs.script().decodeRedeemScript(s.script);let x={s:s.signatures,r:rs.signaturesRequired,t:rs.pubkeys.length};if(x.r>x.t)throw"signaturesRequired is more than publicKeys";x.s<x.r?n.push(x):n.push(!0)}}return bool?!n.filter((x=>!0!==x)).length:n};btcOperator.checkIfSameTx=function(tx1,tx2){if(tx1=deserializeTx(tx1),tx2=deserializeTx(tx2),tx1.ins.length!==tx2.ins.length||tx1.outs.length!==tx2.outs.length)return!1;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!1;for(let i=0;i<tx1.outs.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!1;return!0};const getTxOutput=(txid,i)=>new Promise(((resolve,reject)=>{fetch_api(`rawtx/${txid}`).then((result=>resolve(result.out[i]))).catch((error=>reject(error)))})),parseTransaction=btcOperator.parseTransaction=function(tx){return new Promise(((resolve,reject)=>{tx=deserializeTx(tx);let result={},promises=[];for(let i=0;i<tx.ins.length;i++)promises.push(getTxOutput(tx.ins[i].outpoint.hash,tx.ins[i].outpoint.index));Promise.all(promises).then((inputs=>{result.inputs=inputs.map((inp=>Object({address:inp.addr,value:util.Sat_to_BTC(inp.value)})));let signed=checkSigned(tx,!1);result.inputs.forEach(((inp,i)=>inp.signed=signed[i])),result.outputs=tx.outs.map((out=>{var address;switch(out.script.chunks[0]){case 0:address=util.encodeBech32(Crypto.util.bytesToHex(out.script.chunks[1]),coinjs.bech32.version,coinjs.bech32.hrp);break;case 169:address=util.encodeLegacy(Crypto.util.bytesToHex(out.script.chunks[1]),coinjs.multisig);break;case 118:address=util.encodeLegacy(Crypto.util.bytesToHex(out.script.chunks[2]),coinjs.pub)}return{address:address,value:util.Sat_to_BTC(out.value)}})),result.total_input=parseFloat(result.inputs.reduce(((a,inp)=>a+inp.value),0).toFixed(8)),result.total_output=parseFloat(result.outputs.reduce(((a,out)=>a+out.value),0).toFixed(8)),result.fee=parseFloat((result.total_input-result.total_output).toFixed(8)),resolve(result)})).catch((error=>reject(error)))}))};btcOperator.transactionID=function(tx){tx=deserializeTx(tx);let clone=coinjs.clone(tx);clone.witness=null;let raw_bytes=Crypto.util.hexToBytes(clone.serialize()),txid=Crypto.SHA256(Crypto.SHA256(raw_bytes,{asBytes:!0}),{asBytes:!0}).reverse();return Crypto.util.bytesToHex(txid)};const getLatestBlock=btcOperator.getLatestBlock=()=>new Promise(((resolve,reject)=>{fetch_api("q/getblockcount").then((result=>resolve(result))).catch((error=>reject(error)))})),getTx=btcOperator.getTx=txid=>new Promise(((resolve,reject)=>{fetch_api(`rawtx/${txid}`).then((result=>{console.debug("Tx:",result),getLatestBlock().then((latest_block=>resolve({block:result.block_height,txid:result.hash,time:1e3*result.time,confirmations:null===result.block_height?0:latest_block-result.block_height,size:result.size,fee:util.Sat_to_BTC(result.fee),inputs:result.inputs.map((i=>Object({address:i.prev_out.addr,value:util.Sat_to_BTC(i.prev_out.value)}))),total_input_value:util.Sat_to_BTC(result.inputs.reduce(((a,i)=>a+i.prev_out.value),0)),outputs:result.out.map((o=>Object({address:o.addr,value:util.Sat_to_BTC(o.value)}))),total_output_value:util.Sat_to_BTC(result.out.reduce(((a,o)=>a+o.value),0))})))})).catch((error=>reject(error)))}));getTx.hex=btcOperator.getTx.hex=txid=>new Promise(((resolve,reject)=>{fetch_api(`rawtx/${txid}?format=hex`,{asJson:!1}).then((result=>resolve(result))).catch((error=>reject(error)))})),btcOperator.getAddressData=address=>new Promise(((resolve,reject)=>{Promise.all([multiApi("balance",{addr:address}),multiApi("txs",{addr:address})]).then((([balance,txs])=>{const parsedTxs=txs.map((tx=>function(tx,maddressOfTx){const{txid:txid,hash:hash,time:time,block_height:block_height,inputs:inputs,outputs:outputs,out:out,vin:vin,vout:vout,fee:fee,fees:fees,received:received,confirmed:confirmed,status:{block_height:statusBlockHeight}={}}=tx;let parsedTx={txid:hash||txid,time:1e3*time||new Date(confirmed||received).getTime(),block:block_height||statusBlockHeight,tx_senders:{}};(inputs||vin).forEach((i=>{const address=i.prev_out?.addr||i.addresses?.[0]||i.prev_out?.address||i.addr,value=i.prev_out?.value||i.output_value;address in parsedTx.tx_senders?parsedTx.tx_senders[address]+=value:parsedTx.tx_senders[address]=value})),parsedTx.tx_input_value=0;for(let senderAddr in parsedTx.tx_senders){let val=parsedTx.tx_senders[senderAddr];parsedTx.tx_senders[senderAddr]=util.Sat_to_BTC(val),parsedTx.tx_input_value+=val}parsedTx.tx_input_value=util.Sat_to_BTC(parsedTx.tx_input_value),parsedTx.tx_receivers={},(outputs||out||vout).forEach((o=>{const address=o.scriptpubkey_address||o.addresses?.[0]||o.scriptpubkey_address||o.addr,value=o.value||o.scriptpubkey_value;address in parsedTx.tx_receivers?parsedTx.tx_receivers[address]+=value:parsedTx.tx_receivers[address]=value})),parsedTx.tx_output_value=0;for(let receiverAddr in parsedTx.tx_receivers){let val=parsedTx.tx_receivers[receiverAddr];parsedTx.tx_receivers[receiverAddr]=util.Sat_to_BTC(val),parsedTx.tx_output_value+=val}return parsedTx.tx_output_value=util.Sat_to_BTC(parsedTx.tx_output_value),parsedTx.tx_fee=util.Sat_to_BTC(fee||fees||parsedTx.tx_input_value-parsedTx.tx_output_value),1===Object.keys(parsedTx.tx_receivers).length&&1===Object.keys(parsedTx.tx_senders).length&&Object.keys(parsedTx.tx_senders)[0]===Object.keys(parsedTx.tx_receivers)[0]?(parsedTx.type="self",parsedTx.amount=parsedTx.tx_receivers[maddressOfTx],parsedTx.address=maddressOfTx):maddressOfTx in parsedTx.tx_senders&&Object.keys(parsedTx.tx_receivers).some((addr=>addr!==maddressOfTx))?(parsedTx.type="out",parsedTx.receiver=Object.keys(parsedTx.tx_receivers).filter((addr=>addr!=maddressOfTx)),parsedTx.amount=parsedTx.receiver.reduce(((t,addr)=>t+parsedTx.tx_receivers[addr]),0)+parsedTx.tx_fee):(parsedTx.type="in",parsedTx.sender=Object.keys(parsedTx.tx_senders).filter((addr=>addr!=maddressOfTx)),parsedTx.amount=parsedTx.tx_receivers[maddressOfTx]),parsedTx}(tx,address)));resolve({address:address,balance:balance,txs:parsedTxs})})).catch((error=>reject(error)))})),btcOperator.getBlock=block=>new Promise(((resolve,reject)=>{fetch_api(`rawblock/${block}`).then((result=>resolve({height:result.height,hash:result.hash,merkle_root:result.mrkl_root,prev_block:result.prev_block,next_block:result.next_block[0],size:result.size,time:1e3*result.time,txs:result.tx.map((t=>Object({fee:t.fee,size:t.size,inputs:t.inputs.map((i=>Object({address:i.prev_out.addr,value:util.Sat_to_BTC(i.prev_out.value)}))),total_input_value:util.Sat_to_BTC(t.inputs.reduce(((a,i)=>a+i.prev_out.value),0)),outputs:t.out.map((o=>Object({address:o.addr,value:util.Sat_to_BTC(o.value)}))),total_output_value:util.Sat_to_BTC(t.out.reduce(((a,o)=>a+o.value),0))})))}))).catch((error=>reject(error)))}))}();
\ No newline at end of file
+!function(EXPORTS){const btcOperator="object"===typeof module?module.exports:window.btcOperator={},util=btcOperator.util={};util.Sat_to_BTC=value=>parseFloat((value/1e8).toFixed(8)),util.BTC_to_Sat=value=>parseInt(1e8*value);const APIs=btcOperator.APIs=[{url:"https://api.blockcypher.com/v1/btc/main/",name:"Blockcypher",balance({addr:addr}){return fetch_api(`addrs/${addr}/balance`,{url:this.url}).then((result=>util.Sat_to_BTC(result.balance)))},unspent({addr:addr}){return fetch_api(`addrs/${addr}?unspentOnly=true&includeScript=true`,{url:this.url}).then((result=>formatUtxos(result.txrefs)))},tx({txid:txid}){return fetch_api(`txs/${txid}`,{url:this.url}).then((result=>formatTx(result)))},txHex({txid:txid}){return fetch_api(`txs/${txid}?includeHex=true`,{url:this.url}).then((result=>result.hex))},txs({addr:addr,before:before,after:after}){return fetch_api(`addrs/${addr}/full?limit=50${before?`&before=${before}`:""}${after?`&after=${after}`:""}`,{url:this.url}).then((result=>result.txs))},async block({id:id}){try{let block=await fetch_api(`blocks/${id}`,{url:this.url});return formatBlock(block)}catch(e){console.log(e)}},broadcast(rawTxHex){return fetch_api("txs/push",{url:this.url,method:"POST",headers:{"Content-Type":"application/json"},body:JSON.stringify({tx:rawTxHex})}).then((result=>result.hash))}},{url:"https://blockstream.info/api/",name:"Blockstream",balance({addr:addr}){return fetch_api(`address/${addr}/utxo`,{url:this.url}).then((result=>{const balance=result.reduce(((t,u)=>t+u.value),0);return util.Sat_to_BTC(balance)}))},tx({txid:txid}){return fetch_api(`tx/${txid}`,{url:this.url}).then((result=>formatTx(result)))},txHex({txid:txid}){return fetch_api(`tx/${txid}/hex`,{url:this.url,asJson:!1})},txs({addr:addr,before:before,after:after}){return fetch_api(`address/${addr}/txs${before?`?before=${before}`:""}${after?`?after=${after}`:""}`,{url:this.url})},async block({id:id}){try{let blockHash=id;/^[0-9a-f]{64}$/i.test(id)||(blockHash=await fetch_api(`block-height/${id}`,{url:this.url,asJson:!1}));const block=await fetch_api(`block/${blockHash}`,{url:this.url});return formatBlock(block)}catch(e){console.error(e)}},broadcast(rawTxHex){return fetch_api("tx",{url:this.url,method:"POST",headers:{"Content-Type":"application/json"},body:JSON.stringify({tx:rawTxHex})},{asJson:!1})}},{url:"https://mempool.space/api/",name:"Mempool",balance({addr:addr}){return fetch_api(`address/${addr}`,{url:this.url}).then((result=>util.Sat_to_BTC(result.chain_stats.funded_txo_sum-result.chain_stats.spent_txo_sum)))},tx({txid:txid}){return fetch_api(`tx/${txid}`,{url:this.url}).then((result=>formatTx(result)))},txHex({txid:txid}){return fetch_api(`tx/${txid}/hex`,{url:this.url,asJson:!1})},txs({addr:addr,before:before,after:after}){return fetch_api(`address/${addr}/txs${before?`?before=${before}`:""}${after?`?after=${after}`:""}`,{url:this.url})},async block({id:id}){try{let blockHash=id;/^[0-9a-f]{64}$/i.test(id)||(blockHash=await fetch_api(`block-height/${id}`,{url:this.url,asJson:!1}));const block=await fetch_api(`block/${blockHash}`,{url:this.url});return formatBlock(block)}catch(e){console.error(e)}},broadcast(rawTxHex){return fetch_api("tx",{url:this.url,method:"POST",headers:{"Content-Type":"application/json"},body:JSON.stringify({tx:rawTxHex})},{asJson:!1})}},{url:"https://blockchain.info/",name:"Blockchain",balance({addr:addr}){return fetch_api(`q/addressbalance/${addr}`,{url:this.url}).then((result=>util.Sat_to_BTC(result)))},unspent({addr:addr}){return fetch_api(`unspent?active=${addr}`,{url:this.url}).then((result=>formatUtxos(result.unspent_outputs)))},tx({txid:txid}){return fetch_api(`rawtx/${txid}`,{url:this.url}).then((result=>formatTx(result)))},txHex({txid:txid}){return fetch_api(`rawtx/${txid}?format=hex`,{url:this.url,asJson:!1})},txs({addr:addr,before:before,after:after}){return fetch_api(`rawaddr/${addr}${before?`?before=${before}`:""}${after?`?after=${after}`:""}`,{url:this.url}).then((result=>result.txs))},async block({id:id}){try{let block;if(/^[0-9a-f]{64}$/i.test(id))block=await fetch_api(`rawblock/${id}`,{url:this.url});else{block=(await fetch_api(`block-height/${id}?format=json`,{url:this.url})).blocks[0]}return formatBlock(block)}catch(e){console.error(e)}},async blockTxs({id:id}){try{let block;if(/^[0-9a-f]{64}$/i.test(id))block=await fetch_api(`rawblock/${id}`,{url:this.url});else{block=(await fetch_api(`block-height/${id}?format=json`,{url:this.url})).blocks[0]}return block.tx}catch(e){console.error(e)}},broadcast(rawTxHex){return fetch_api("pushtx",{url:this.url,method:"POST",headers:{"Content-Type":"application/x-www-form-urlencoded"},body:"tx="+rawTxHex})}}];btcOperator.util.format={};const formatBlock=btcOperator.util.format.block=async block=>{try{const{height:height,hash:hash,id:id,time:time,timestamp:timestamp,mrkl_root:mrkl_root,merkle_root:merkle_root,prev_block:prev_block,next_block:next_block,size:size}=block,details={height:height,hash:hash||id,time:1e3*(time||timestamp),merkle_root:merkle_root||mrkl_root,size:size};return prev_block&&(details.prev_block=prev_block),next_block&&(details.next_block=next_block[0]),details}catch(e){console.error(e)}},formatUtxos=btcOperator.util.format.utxos=async utxos=>{try{return utxos.map((utxo=>{const{tx_hash:tx_hash,tx_hash_big_endian:tx_hash_big_endian,txid:txid,tx_output_n:tx_output_n,vout:vout,value:value,script:script,confirmations:confirmations,status:{confirmed:confirmed}={}}=utxo;return{confirmations:confirmations||confirmed,tx_hash_big_endian:tx_hash_big_endian||tx_hash||txid,tx_output_n:tx_output_n||vout,value:value,script:script}}))}catch(e){console.error(e)}},formatTx=btcOperator.util.format.tx=async(tx,addressOfTx)=>{try{const{txid:txid,hash:hash,time:time,block_height:block_height,fee:fee,fees:fees,received:received,confirmed:confirmed,size:size,double_spend:double_spend,block_hash:block_hash,confirmations:confirmations,status:{block_height:statusBlockHeight,block_hash:statusBlockHash}={}}=tx,inputs=tx.vin||tx.inputs,outputs=tx.vout||tx.outputs||tx.out;return{hash:hash||txid,size:size,fee:fee||fees,double_spend:double_spend,time:1e3*time||new Date(confirmed||received).getTime(),block_height:block_height||statusBlockHeight,block_hash:block_hash||statusBlockHash,confirmations:confirmations,inputs:inputs.map((input=>({index:input.n||input.output_index||input.vout,prev_out:{addr:input.prev_out?.addr||input.addresses?.[0]||input.prev_out?.address||input.addr,value:input.prev_out?.value||input.output_value}}))),out:outputs.map((output=>({addr:output.scriptpubkey_address||output.addresses?.[0]||output.scriptpubkey_address||output.addr,value:output.value||output.scriptpubkey_value})))}}catch(e){console.error(e)}},multiApi=btcOperator.multiApi=(fnName,{index:index=0,...args}={})=>new Promise(((resolve,reject)=>index>=APIs.length?reject("All APIs failed"):!APIs[index][fnName]||APIs[index].coolDownTime&&APIs[index].coolDownTime>(new Date).getTime()?multiApi(fnName,{index:index+1,...args}).then((result=>resolve(result))).catch((error=>reject(error))):void APIs[index][fnName](args).then((result=>resolve(result))).catch((error=>{console.debug(error),APIs[index].coolDownTime=(new Date).getTime()+6e5,multiApi(fnName,{index:index+1,...args}).then((result=>resolve(result))).catch((error=>reject(error)))}))));const fetch_api=btcOperator.fetch=function(api,{asJson:asJson=!0,url:url="https://blockchain.info/"}={}){return new Promise(((resolve,reject)=>{console.debug(url+api),fetch(url+api).then((response=>{response.ok?(asJson?response.json():response.text()).then((result=>resolve(result))).catch((error=>reject(error))):response.json().then((result=>reject(result))).catch((error=>reject(error)))})).catch((error=>reject(error)))}))};const broadcastTx=btcOperator.broadcastTx=rawTxHex=>new Promise(((resolve,reject)=>{console.log("txHex:",rawTxHex);fetch("https://coinb.in/api/?uid=1&key=12345678901234567890123456789012&setmodule=bitcoin&request=sendrawtransaction",{method:"POST",headers:{"Content-Type":"application/x-www-form-urlencoded"},body:"rawtx="+rawTxHex}).then((response=>{response.text().then((resultText=>{let r=resultText.match(/<result>.*<\/result>/);if(r)if(r=r.pop().replace("<result>","").replace("</result>",""),"1"==r){let txid=resultText.match(/<txid>.*<\/txid>/).pop().replace("<txid>","").replace("</txid>","");resolve(txid)}else if("0"==r){let error;error=resultText.includes("<message>")?resultText.match(/<message>.*<\/message>/).pop().replace("<message>","").replace("</message>",""):resultText.match(/<response>.*<\/response>/).pop().replace("<response>","").replace("</response>",""),reject(decodeURIComponent(error.replace(/\+/g," ")))}else reject(resultText);else reject(resultText)})).catch((error=>reject(error)))})).catch((error=>reject(error)))}));Object.defineProperties(btcOperator,{newKeys:{get:()=>{let r=coinjs.newKeys();return r.segwitAddress=coinjs.segwitAddress(r.pubkey).address,r.bech32Address=coinjs.bech32Address(r.pubkey).address,r}},pubkey:{value:key=>key.length>=66?key:64==key.length?coinjs.newPubkey(key):coinjs.wif2pubkey(key).pubkey},address:{value:(key,prefix=void 0)=>coinjs.pubkey2address(btcOperator.pubkey(key),prefix)},segwitAddress:{value:key=>coinjs.segwitAddress(btcOperator.pubkey(key)).address},bech32Address:{value:key=>coinjs.bech32Address(btcOperator.pubkey(key)).address},bech32mAddress:{value:key=>segwit_addr.encode("bc",1,key)}}),coinjs.compressed=!0;const verifyKey=btcOperator.verifyKey=function(addr,key){if(addr&&key)switch(coinjs.addressDecode(addr).type){case"standard":return btcOperator.address(key)===addr;case"multisig":return btcOperator.segwitAddress(key)===addr;case"bech32":return btcOperator.bech32Address(key)===addr;case"bech32m":return btcOperator.bech32mAddress(key)===addr;default:return null}},validateAddress=btcOperator.validateAddress=function(addr){if(!addr)return;let type=coinjs.addressDecode(addr).type;return!!["standard","multisig","bech32","multisigBech32","bech32m"].includes(type)&&type};btcOperator.multiSigAddress=function(pubKeys,minRequired,bech32=!0){if(!Array.isArray(pubKeys))throw"pubKeys must be an array of public keys";if(pubKeys.length<minRequired)throw"minimum required should be less than the number of pubKeys";return bech32?coinjs.pubkeys2MultisigAddressBech32(pubKeys,minRequired):coinjs.pubkeys2MultisigAddress(pubKeys,minRequired)},btcOperator.decodeRedeemScript=function(redeemScript,bech32=!0){let script=coinjs.script(),decoded=bech32?script.decodeRedeemScriptBech32(redeemScript):script.decodeRedeemScript(redeemScript);return decoded?{address:decoded.address,pubKeys:decoded.pubkeys,redeemScript:decoded.redeemscript,required:decoded.signaturesRequired}:null},btcOperator.convert={},btcOperator.convert.wif=function(source_wif,target_version=coinjs.priv){let keyHex=util.decodeLegacy(source_wif).hex;return!keyHex||keyHex.length<66||!/01$/.test(keyHex)?null:util.encodeLegacy(keyHex,target_version)},btcOperator.convert.legacy2legacy=function(source_addr,target_version=coinjs.pub){let rawHex=util.decodeLegacy(source_addr).hex;return rawHex?util.encodeLegacy(rawHex,target_version):null},btcOperator.convert.legacy2bech=function(source_addr,target_version=coinjs.bech32.version,target_hrp=coinjs.bech32.hrp){let rawHex=util.decodeLegacy(source_addr).hex;return rawHex?util.encodeBech32(rawHex,target_version,target_hrp):null},btcOperator.convert.bech2bech=function(source_addr,target_version=coinjs.bech32.version,target_hrp=coinjs.bech32.hrp){let rawHex=util.decodeBech32(source_addr).hex;return rawHex?util.encodeBech32(rawHex,target_version,target_hrp):null},btcOperator.convert.bech2legacy=function(source_addr,target_version=coinjs.pub){let rawHex=util.decodeBech32(source_addr).hex;return rawHex?util.encodeLegacy(rawHex,target_version):null},btcOperator.convert.multisig2multisig=function(source_addr,target_version=coinjs.multisig){let rawHex=util.decodeLegacy(source_addr).hex;return rawHex?util.encodeLegacy(rawHex,target_version):null},btcOperator.convert.bech2multisig=function(source_addr,target_version=coinjs.multisig){let rawHex=util.decodeBech32(source_addr).hex;return rawHex?(rawHex=Crypto.util.bytesToHex(ripemd160(Crypto.util.hexToBytes(rawHex),{asBytes:!0})),util.encodeLegacy(rawHex,target_version)):null},util.decodeLegacy=function(source){var decode=coinjs.base58decode(source),raw=decode.slice(0,decode.length-4),checksum=decode.slice(decode.length-4),hash=Crypto.SHA256(Crypto.SHA256(raw,{asBytes:!0}),{asBytes:!0});if(hash[0]!=checksum[0]||hash[1]!=checksum[1]||hash[2]!=checksum[2]||hash[3]!=checksum[3])return!1;return{version:raw.shift(),hex:Crypto.util.bytesToHex(raw)}},util.encodeLegacy=function(hex,version){var bytes=Crypto.util.hexToBytes(hex);bytes.unshift(version);var checksum=Crypto.SHA256(Crypto.SHA256(bytes,{asBytes:!0}),{asBytes:!0}).slice(0,4);return coinjs.base58encode(bytes.concat(checksum))},util.decodeBech32=function(source){let decode=coinjs.bech32_decode(source);if(!decode)return!1;var raw=decode.data;let version=raw.shift();return raw=coinjs.bech32_convert(raw,5,8,!1),{hrp:decode.hrp,version:version,hex:Crypto.util.bytesToHex(raw)}},util.encodeBech32=function(hex,version,hrp){var bytes=Crypto.util.hexToBytes(hex);return(bytes=coinjs.bech32_convert(bytes,8,5,!0)).unshift(version),coinjs.bech32_encode(hrp,bytes)},btcOperator.getBalance=addr=>new Promise(((resolve,reject)=>{if(!validateAddress(addr))return reject("Invalid address");multiApi("balance",{addr:addr}).then((result=>resolve(result))).catch((error=>reject(error)))}));const BASE_TX_SIZE=12,BASE_INPUT_SIZE=41,LEGACY_INPUT_SIZE=107,BECH32_INPUT_SIZE=27,BECH32_MULTISIG_INPUT_SIZE=35,SEGWIT_INPUT_SIZE=59,MULTISIG_INPUT_SIZE_ES=351,BASE_OUTPUT_SIZE=9,LEGACY_OUTPUT_SIZE=25,BECH32_OUTPUT_SIZE=23,BECH32_MULTISIG_OUTPUT_SIZE=34,SEGWIT_OUTPUT_SIZE=23;function _redeemScript(addr,key){let decode=coinjs.addressDecode(addr);switch(decode.type){case"standard":return!1;case"multisig":return key?coinjs.segwitAddress(btcOperator.pubkey(key)).redeemscript:null;case"bech32":case"'multisigBech32":return decode.redeemscript;case"bech32m":return decode.outstring;default:return null}}function _sizePerOutput(addr){switch(coinjs.addressDecode(addr).type){case"standard":return BASE_OUTPUT_SIZE+LEGACY_OUTPUT_SIZE;case"bech32":return BASE_OUTPUT_SIZE+BECH32_OUTPUT_SIZE;case"multisigBech32":return BASE_OUTPUT_SIZE+BECH32_MULTISIG_OUTPUT_SIZE;case"multisig":return BASE_OUTPUT_SIZE+SEGWIT_OUTPUT_SIZE;case"bech32m":return BASE_OUTPUT_SIZE+BECH32M_OUTPUT_SIZE;default:return null}}function validateTxParameters(parameters){let invalids=[];if(parameters.senders&&(Array.isArray(parameters.senders)||(parameters.senders=[parameters.senders]),parameters.senders.forEach((id=>validateAddress(id)?null:invalids.push(id))),invalids.length))throw"Invalid senders:"+invalids;if(parameters.privkeys){if(Array.isArray(parameters.privkeys)||(parameters.privkeys=[parameters.privkeys]),parameters.senders.length!=parameters.privkeys.length)throw"Array length for senders and privkeys should be equal";if(parameters.senders.forEach(((id,i)=>{let key=parameters.privkeys[i];verifyKey(id,key)||invalids.push(id),64===key.length&&(parameters.privkeys[i]=coinjs.privkey2wif(key))})),invalids.length)throw"Invalid private key for address:"+invalids}if(Array.isArray(parameters.receivers)||(parameters.receivers=[parameters.receivers]),parameters.receivers.forEach((id=>validateAddress(id)?null:invalids.push(id))),invalids.length)throw"Invalid receivers:"+invalids;if(parameters.change_address&&!validateAddress(parameters.change_address))throw"Invalid change_address:"+parameters.change_address;if(("number"!=typeof parameters.fee||parameters.fee<=0)&&null!==parameters.fee)throw"Invalid fee:"+parameters.fee;if(Array.isArray(parameters.amounts)||(parameters.amounts=[parameters.amounts]),parameters.receivers.length!=parameters.amounts.length)throw"Array length for receivers and amounts should be equal";if(parameters.amounts.forEach((a=>"number"!=typeof a||a<=0?invalids.push(a):null)),invalids.length)throw"Invalid amounts:"+invalids;return parameters}function createTransaction(senders,redeemScripts,receivers,amounts,fee,change_address,fee_from_receiver,allowUnconfirmedUtxos=!1){return new Promise(((resolve,reject)=>{let total_amount=parseFloat(amounts.reduce(((t,a)=>t+a),0).toFixed(8));const tx=coinjs.transaction();let output_size=addOutputs(tx,receivers,amounts,change_address);addInputs(tx,senders,redeemScripts,total_amount,fee,output_size,fee_from_receiver,allowUnconfirmedUtxos).then((result=>{if(result.change_amount>0&&result.change_amount>result.fee&&(tx.outs[tx.outs.length-1].value=util.BTC_to_Sat(result.change_amount)),fee_from_receiver){let fee_remaining=util.BTC_to_Sat(result.fee);for(let i=0;i<tx.outs.length-1&&fee_remaining>0;i++)fee_remaining<tx.outs[i].value?(tx.outs[i].value-=fee_remaining,fee_remaining=0):(fee_remaining-=tx.outs[i].value,tx.outs[i].value=0);if(fee_remaining>0)return reject("Send amount is less than fee")}let filtered_outputs=[],dust_value=0;tx.outs.forEach((o=>o.value>=546?filtered_outputs.push(o):dust_value+=o.value)),tx.outs=filtered_outputs,result.fee+=util.Sat_to_BTC(dust_value),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,allowUnconfirmedUtxos=!1){return new Promise(((resolve,reject)=>{null!==fee?addUTXOs(tx,senders,redeemScripts,fee_from_receiver?total_amount:total_amount+fee,!1,{allowUnconfirmedUtxos:allowUnconfirmedUtxos}).then((result=>{result.fee=fee,resolve(result)})).catch((error=>reject(error))):new Promise(((resolve,reject)=>{fetch("https://api.blockchain.info/mempool/fees").then((response=>{response.ok?response.json().then((result=>resolve(util.Sat_to_BTC(result.regular)))).catch((error=>reject(error))):reject(response)})).catch((error=>reject(error)))})).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,!1,{allowUnconfirmedUtxos:allowUnconfirmedUtxos}):addUTXOs(tx,senders,redeemScripts,total_amount+net_fee,fee_rate,{allowUnconfirmedUtxos:allowUnconfirmedUtxos})).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={allowUnconfirmedUtxos:!1}){return new Promise(((resolve,reject)=>{if(required_amount=parseFloat(required_amount.toFixed(8)),void 0===rec_args.n&&(rec_args.n=0,rec_args.input_size=0,rec_args.input_amount=0),required_amount<=0)return resolve({input_size:rec_args.input_size,input_amount:rec_args.input_amount,change_amount:-1*required_amount});if(rec_args.n>=senders.length)return reject("Insufficient Balance");let addr=senders[rec_args.n],rs=redeemScripts[rec_args.n],addr_type=coinjs.addressDecode(addr).type,size_per_input=function(addr,rs){switch(coinjs.addressDecode(addr).type){case"standard":return BASE_INPUT_SIZE+LEGACY_INPUT_SIZE;case"bech32":return BASE_INPUT_SIZE+BECH32_INPUT_SIZE;case"multisigBech32":return BASE_INPUT_SIZE+BECH32_MULTISIG_INPUT_SIZE;case"multisig":switch(coinjs.script().decodeRedeemScript(rs).type){case"segwit__":return BASE_INPUT_SIZE+SEGWIT_INPUT_SIZE;case"multisig__":return BASE_INPUT_SIZE+MULTISIG_INPUT_SIZE_ES;default:return null}default:return null}}(addr,rs);multiApi("unspent",{addr:addr}).then((utxos=>{for(let i=0;i<utxos.length&&required_amount>0;i++){if(1===utxos.length&&rec_args.allowUnconfirmedUtxos)console.log("allowing unconfirmed utxos");else if(!utxos[i].confirmations)continue;var script;if(rs&&rs.length)if(rs.match(/^00/)&&44==rs.length||40==rs.length&&rs.match(/^[a-f0-9]+$/gi)||"multisigBech32"===addr_type){let s=coinjs.script();s.writeBytes(Crypto.util.hexToBytes(rs)),s.writeOp(0),s.writeBytes(coinjs.numToBytes(utxos[i].value.toFixed(0),8)),script=Crypto.util.bytesToHex(s.buffer)}else script=rs;else script=utxos[i].script;tx.addinput(utxos[i].tx_hash_big_endian,utxos[i].tx_output_n,script,4294967293),rec_args.input_size+=size_per_input,rec_args.input_amount+=util.Sat_to_BTC(utxos[i].value),required_amount-=util.Sat_to_BTC(utxos[i].value),fee_rate&&(required_amount+=size_per_input*fee_rate)}rec_args.n+=1,addUTXOs(tx,senders,redeemScripts,required_amount,fee_rate,rec_args).then((result=>resolve(result))).catch((error=>reject(error)))})).catch((error=>reject(error)))}))}function addOutputs(tx,receivers,amounts,change_address){let size=0;for(let i in receivers)tx.addoutput(receivers[i],amounts[i]),size+=_sizePerOutput(receivers[i]);return tx.addoutput(change_address,0),size+=_sizePerOutput(change_address),size}function tx_fetch_for_editing(tx){return new Promise(((resolve,reject)=>{"string"==typeof tx&&/^[0-9a-f]{64}$/i.test(tx)?getTx.hex(tx).then((txhex=>resolve(deserializeTx(txhex)))).catch((error=>reject(error))):resolve(deserializeTx(tx))}))}BECH32M_OUTPUT_SIZE=35,btcOperator._redeemScript=_redeemScript,btcOperator.validateTxParameters=validateTxParameters,btcOperator.createTransaction=createTransaction,btcOperator.addInputs=addInputs,btcOperator.addUTXOs=addUTXOs,btcOperator.addOutputs=addOutputs,btcOperator.tx_fetch_for_editing=tx_fetch_for_editing;btcOperator.extractLastHexStrings=function(arr){const result=[];for(let i=0;i<arr.length;i++){const innerArray=arr[i];if(innerArray.length>0){const lastHexString=innerArray[innerArray.length-1];result.push(lastHexString)}}return result};btcOperator.editFee=function(tx_hex,new_fee,private_keys,change_only=!0){return new Promise(((resolve,reject)=>{Array.isArray(private_keys)||(private_keys=[private_keys]),tx_fetch_for_editing(tx_hex).then((tx=>{parseTransaction(tx).then((tx_parsed=>{if(tx_parsed.fee>=new_fee)return reject("Fees can only be increased");var edit_output_address=new Set;!0===change_only?tx_parsed.inputs.forEach((inp=>edit_output_address.add(inp.address))):!1===change_only?tx_parsed.outputs.forEach((out=>edit_output_address.add(out.address))):"string"==typeof change_only?edit_output_address.add(change_only):Array.isArray(change_only)&&change_only.forEach((id=>edit_output_address.add(id)));let inc_fee=util.BTC_to_Sat(new_fee-tx_parsed.fee);if(inc_fee<219)return reject("Insufficient additional fee. Minimum increment: 219");for(let i=tx.outs.length-1;i>=0&&inc_fee>0;i--)if(edit_output_address.has(tx_parsed.outputs[i].address)){let current_value=tx.outs[i].value;current_value instanceof BigInteger&&(current_value=current_value.intValue()),current_value>inc_fee?(tx.outs[i].value=current_value-inc_fee,inc_fee=0):(inc_fee-=current_value,tx.outs[i].value=0)}if(inc_fee>0){let max_possible_fee=util.BTC_to_Sat(new_fee)-inc_fee;return reject(`Insufficient output values to increase fee. Maximum fee possible: ${util.Sat_to_BTC(max_possible_fee)}`)}tx.outs=tx.outs.filter((o=>o.value>=546));let wif_keys=[];for(let i in tx.ins){var addr=tx_parsed.inputs[i].address,value=util.BTC_to_Sat(tx_parsed.inputs[i].value);let addr_decode=coinjs.addressDecode(addr);var privKey=private_keys.find((pk=>verifyKey(addr,pk)));if(!privKey)return reject(`Private key missing for ${addr}`);const rs=_redeemScript(addr,privKey);var script;if(!1===rs?wif_keys.unshift(privKey):wif_keys.push(privKey),rs&&rs.length)if(rs.match(/^00/)&&44==rs.length||40==rs.length&&rs.match(/^[a-f0-9]+$/gi)||"multisigBech32"===addr_decode.type){let s=coinjs.script();s.writeBytes(Crypto.util.hexToBytes(rs)),s.writeOp(0),s.writeBytes(coinjs.numToBytes(value.toFixed(0),8)),script=Crypto.util.bytesToHex(s.buffer)}else script=rs;else{let s=coinjs.script();s.writeOp(118),s.writeOp(169),s.writeBytes(addr_decode.bytes),s.writeOp(136),s.writeOp(172),script=Crypto.util.bytesToHex(s.buffer)}tx.ins[i].script=coinjs.script(script)}tx.witness=!1,console.debug("Unsigned:",tx.serialize()),new Set(wif_keys).forEach((key=>tx.sign(key,1))),resolve(tx.serialize())})).catch((error=>reject(error)))})).catch((error=>reject(error)))}))},btcOperator.editFee_corewallet=function(tx_hex,new_fee,private_keys,change_only=!0){return new Promise(((resolve,reject)=>{Array.isArray(private_keys)||(private_keys=[private_keys]),tx_fetch_for_editing(tx_hex).then((tx=>{parseTransaction(tx).then((tx_parsed=>{if(tx_parsed.fee>=new_fee)return reject("Fees can only be increased");var edit_output_address=new Set;!0===change_only?tx_parsed.inputs.forEach((inp=>edit_output_address.add(inp.address))):!1===change_only?tx_parsed.outputs.forEach((out=>edit_output_address.add(out.address))):"string"==typeof change_only?edit_output_address.add(change_only):Array.isArray(change_only)&&change_only.forEach((id=>edit_output_address.add(id)));let inc_fee=util.BTC_to_Sat(new_fee-tx_parsed.fee);if(inc_fee<219)return reject("Insufficient additional fee. Minimum increment: 219");for(let i=tx.outs.length-1;i>=0&&inc_fee>0;i--)if(edit_output_address.has(tx_parsed.outputs[i].address)){let current_value=tx.outs[i].value;current_value instanceof BigInteger&&(current_value=current_value.intValue()),current_value>inc_fee?(tx.outs[i].value=current_value-inc_fee,inc_fee=0):(inc_fee-=current_value,tx.outs[i].value=0)}if(inc_fee>0){let max_possible_fee=util.BTC_to_Sat(new_fee)-inc_fee;return reject(`Insufficient output values to increase fee. Maximum fee possible: ${util.Sat_to_BTC(max_possible_fee)}`)}tx.outs=tx.outs.filter((o=>o.value>=546));let wif_keys=[],witness_position=0;for(let i in tx.ins){var addr=tx_parsed.inputs[i].address,value=util.BTC_to_Sat(tx_parsed.inputs[i].value);let addr_decode=coinjs.addressDecode(addr);var privKey=private_keys.find((pk=>verifyKey(addr,pk)));if(!privKey)return reject(`Private key missing for ${addr}`);const rs=_redeemScript(addr,privKey);var script;if(!1===rs?wif_keys.unshift(privKey):wif_keys.push(privKey),rs&&rs.length)if(rs.match(/^00/)&&44==rs.length||40==rs.length&&rs.match(/^[a-f0-9]+$/gi)){let s=coinjs.script();s.writeBytes(Crypto.util.hexToBytes(rs)),s.writeOp(0),s.writeBytes(coinjs.numToBytes(value.toFixed(0),8)),script=Crypto.util.bytesToHex(s.buffer),"bech32"==addr_decode&&(witness_position+=1)}else if("multisigBech32"===addr_decode.type){let redeemScript=btcOperator.extractLastHexStrings(tx.witness)[witness_position];witness_position+=1;let s=coinjs.script();s.writeBytes(Crypto.util.hexToBytes(redeemScript)),s.writeOp(0),s.writeBytes(coinjs.numToBytes(value.toFixed(0),8)),script=Crypto.util.bytesToHex(s.buffer)}else script=rs;else{let s=coinjs.script();s.writeOp(118),s.writeOp(169),s.writeBytes(addr_decode.bytes),s.writeOp(136),s.writeOp(172),script=Crypto.util.bytesToHex(s.buffer)}tx.ins[i].script=coinjs.script(script)}tx.witness=!1,console.debug("Unsigned:",tx.serialize()),new Set(wif_keys).forEach((key=>tx.sign(key,1))),btcOperator.checkSigned(tx)?resolve(tx.serialize()):reject("All private keys not present")})).catch((error=>reject(error)))})).catch((error=>reject(error)))}))},btcOperator.sendTx=function(senders,privkeys,receivers,amounts,fee=null,options={}){return new Promise(((resolve,reject)=>{createSignedTx(senders,privkeys,receivers,amounts,fee,options).then((result=>{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:senders,privkeys:privkeys,receivers:receivers,amounts:amounts}=validateTxParameters({senders:senders,privkeys:privkeys,receivers:receivers,amounts:amounts,fee: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]);redeemScripts.push(rs),!1===rs?wif_keys.unshift(privkeys[i]):wif_keys.push(privkeys[i])}if(redeemScripts.includes(null))return reject("Unable to get redeem-script");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=>tx.sign(key,1))),console.debug("Signed:",tx.serialize()),resolve(result)})).catch((error=>reject(error)))}))};btcOperator.createTx=function(senders,receivers,amounts,fee=null,options={allowUnconfirmedUtxos:!1}){return new Promise(((resolve,reject)=>{try{({senders:senders,receivers:receivers,amounts:amounts}=validateTxParameters({senders:senders,receivers:receivers,amounts:amounts,fee:fee,change_address:options.change_address}))}catch(e){return reject(e)}let redeemScripts=senders.map((id=>_redeemScript(id)));if(redeemScripts.includes(null))return reject("Unable to get redeem-script");createTransaction(senders,redeemScripts,receivers,amounts,fee,options.change_address||senders[0],options.fee_from_receiver,options.allowUnconfirmedUtxos).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)=>{let addr_type=validateAddress(sender);if(!["multisig","multisigBech32"].includes(addr_type))return reject("Invalid sender (multisig):"+sender);{let script=coinjs.script(),decode="multisig"==addr_type?script.decodeRedeemScript(redeemScript):script.decodeRedeemScriptBech32(redeemScript);if(!decode||decode.address!==sender)return reject("Invalid redeem-script")}try{({receivers:receivers,amounts:amounts}=validateTxParameters({receivers:receivers,amounts:amounts,fee:fee,change_address:options.change_address}))}catch(e){return reject(e)}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)))}))};const deserializeTx=btcOperator.deserializeTx=function(tx){if("string"==typeof tx||Array.isArray(tx))try{tx=coinjs.transaction().deserialize(tx)}catch{throw"Invalid transaction hex"}else if("object"!=typeof tx||"function"!=typeof tx.sign)throw"Invalid transaction object";return tx};btcOperator.signTx=function(tx,privkeys,sighashtype=1){tx=deserializeTx(tx),Array.isArray(privkeys)||(privkeys=[privkeys]);for(let i in privkeys)64===privkeys[i].length&&(privkeys[i]=coinjs.privkey2wif(privkeys[i]));return new Set(privkeys).forEach((key=>tx.sign(key,sighashtype))),tx.serialize()};const checkSigned=btcOperator.checkSigned=function(tx,bool=!0){tx=deserializeTx(tx);let n=[];for(let i in tx.ins){var s=tx.extractScriptKey(i);if("multisig"!==s.type&&"multisig_bech32"!==s.type)n.push("true"==s.signed||tx.witness[i]&&2==tx.witness[i].length);else{var rs=coinjs.script().decodeRedeemScript(s.script);let x={s:s.signatures,r:rs.signaturesRequired,t:rs.pubkeys.length};if(x.r>x.t)throw"signaturesRequired is more than publicKeys";x.s<x.r?n.push(x):n.push(!0)}}return bool?!n.filter((x=>!0!==x)).length:n};btcOperator.checkIfSameTx=function(tx1,tx2){if(tx1=deserializeTx(tx1),tx2=deserializeTx(tx2),tx1.ins.length!==tx2.ins.length||tx1.outs.length!==tx2.outs.length)return!1;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!1;for(let i=0;i<tx1.outs.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!1;return!0};const getTxOutput=(txid,i)=>new Promise(((resolve,reject)=>{multiApi("tx",{txid:txid}).then((result=>resolve(result.out[i]))).catch((error=>reject(error)))})),parseTransaction=btcOperator.parseTransaction=function(tx){return new Promise(((resolve,reject)=>{tx=deserializeTx(tx);let result={},promises=[];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.addr,value:util.Sat_to_BTC(inp.value)})));let signed=checkSigned(tx,!1);result.inputs.forEach(((inp,i)=>inp.signed=signed[i])),result.outputs=tx.outs.map((out=>{var address;switch(out.script.chunks[0]){case 0:address=util.encodeBech32(Crypto.util.bytesToHex(out.script.chunks[1]),coinjs.bech32.version,coinjs.bech32.hrp);break;case 169:address=util.encodeLegacy(Crypto.util.bytesToHex(out.script.chunks[1]),coinjs.multisig);break;case 118:address=util.encodeLegacy(Crypto.util.bytesToHex(out.script.chunks[2]),coinjs.pub)}return{address:address,value:util.Sat_to_BTC(out.value)}})),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()),txid=Crypto.SHA256(Crypto.SHA256(raw_bytes,{asBytes:!0}),{asBytes:!0}).reverse();return Crypto.util.bytesToHex(txid)};const getLatestBlock=btcOperator.getLatestBlock=()=>new Promise(((resolve,reject)=>{fetch_api("q/getblockcount").then((result=>resolve(result))).catch((error=>reject(error)))})),getTx=btcOperator.getTx=txid=>new Promise((async(resolve,reject)=>{try{const result=await multiApi("tx",{txid:txid});result.hasOwnProperty("confirmations")||(result.confirmations=await getLatestBlock()-result.block_height),resolve({block:result.block_height,txid:result.hash,time:1e3*result.time,size:result.size,fee:util.Sat_to_BTC(result.fee),inputs:result.inputs.map((i=>Object({address:i.prev_out.addr,value:util.Sat_to_BTC(i.prev_out.value)}))),total_input_value:util.Sat_to_BTC(result.inputs.reduce(((a,i)=>a+i.prev_out.value),0)),outputs:result.out.map((o=>Object({address:o.addr,value:util.Sat_to_BTC(o.value)}))),total_output_value:util.Sat_to_BTC(result.out.reduce(((a,o)=>a+o.value),0))})}catch(error){reject(error)}})).catch((error=>reject(error)));getTx.hex=btcOperator.getTx.hex=txid=>multiApi("txHex",{txid:txid}),btcOperator.getAddressData=address=>new Promise(((resolve,reject)=>{Promise.all([multiApi("balance",{addr:address}),multiApi("txs",{addr:address})]).then((([balance,txs])=>{const parsedTxs=txs.map((tx=>function(tx,maddressOfTx){const{txid:txid,hash:hash,time:time,block_height:block_height,inputs:inputs,outputs:outputs,out:out,vin:vin,vout:vout,fee:fee,fees:fees,received:received,confirmed:confirmed,status:{block_height:statusBlockHeight}={}}=tx;let parsedTx={txid:hash||txid,time:1e3*time||new Date(confirmed||received).getTime(),block:block_height||statusBlockHeight,tx_senders:{}};(inputs||vin).forEach((i=>{const address=i.prev_out?.addr||i.addresses?.[0]||i.prev_out?.address||i.addr,value=i.prev_out?.value||i.output_value;address in parsedTx.tx_senders?parsedTx.tx_senders[address]+=value:parsedTx.tx_senders[address]=value})),parsedTx.tx_input_value=0;for(let senderAddr in parsedTx.tx_senders){let val=parsedTx.tx_senders[senderAddr];parsedTx.tx_senders[senderAddr]=util.Sat_to_BTC(val),parsedTx.tx_input_value+=val}parsedTx.tx_input_value=util.Sat_to_BTC(parsedTx.tx_input_value),parsedTx.tx_receivers={},(outputs||out||vout).forEach((o=>{const address=o.scriptpubkey_address||o.addresses?.[0]||o.scriptpubkey_address||o.addr,value=o.value||o.scriptpubkey_value;address in parsedTx.tx_receivers?parsedTx.tx_receivers[address]+=value:parsedTx.tx_receivers[address]=value})),parsedTx.tx_output_value=0;for(let receiverAddr in parsedTx.tx_receivers){let val=parsedTx.tx_receivers[receiverAddr];parsedTx.tx_receivers[receiverAddr]=util.Sat_to_BTC(val),parsedTx.tx_output_value+=val}return parsedTx.tx_output_value=util.Sat_to_BTC(parsedTx.tx_output_value),parsedTx.tx_fee=util.Sat_to_BTC(fee||fees||parsedTx.tx_input_value-parsedTx.tx_output_value),1===Object.keys(parsedTx.tx_receivers).length&&1===Object.keys(parsedTx.tx_senders).length&&Object.keys(parsedTx.tx_senders)[0]===Object.keys(parsedTx.tx_receivers)[0]?(parsedTx.type="self",parsedTx.amount=parsedTx.tx_receivers[maddressOfTx],parsedTx.address=maddressOfTx):maddressOfTx in parsedTx.tx_senders&&Object.keys(parsedTx.tx_receivers).some((addr=>addr!==maddressOfTx))?(parsedTx.type="out",parsedTx.receiver=Object.keys(parsedTx.tx_receivers).filter((addr=>addr!=maddressOfTx)),parsedTx.amount=parsedTx.receiver.reduce(((t,addr)=>t+parsedTx.tx_receivers[addr]),0)+parsedTx.tx_fee):(parsedTx.type="in",parsedTx.sender=Object.keys(parsedTx.tx_senders).filter((addr=>addr!=maddressOfTx)),parsedTx.amount=parsedTx.tx_receivers[maddressOfTx]),parsedTx}(tx,address)));resolve({address:address,balance:balance,txs:parsedTxs})})).catch((error=>reject(error)))})),btcOperator.getBlock=block=>new Promise(((resolve,reject)=>{fetch_api(`rawblock/${block}`).then((result=>resolve({height:result.height,hash:result.hash,merkle_root:result.mrkl_root,prev_block:result.prev_block,next_block:result.next_block[0],size:result.size,time:1e3*result.time,txs:result.tx.map((t=>Object({fee:t.fee,size:t.size,inputs:t.inputs.map((i=>Object({address:i.prev_out.addr,value:util.Sat_to_BTC(i.prev_out.value)}))),total_input_value:util.Sat_to_BTC(t.inputs.reduce(((a,i)=>a+i.prev_out.value),0)),outputs:t.out.map((o=>Object({address:o.addr,value:util.Sat_to_BTC(o.value)}))),total_output_value:util.Sat_to_BTC(t.out.reduce(((a,o)=>a+o.value),0))})))}))).catch((error=>reject(error)))}))}();
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