From c6e7392b552146d42cde96629e12d82688918239 Mon Sep 17 00:00:00 2001
From: sairaj mote <sairajmote3@gmail.com>
Date: Wed, 25 Oct 2023 21:36:53 +0530
Subject: [PATCH] code refactoring

---
 index.html                 |  48 ++-------
 scripts/btcOperator.js     | 198 ++++++++++++++++++-------------------
 scripts/btcOperator.min.js |   1 +
 3 files changed, 108 insertions(+), 139 deletions(-)
 create mode 100644 scripts/btcOperator.min.js

diff --git a/index.html b/index.html
index ae14f92..870ee66 100644
--- a/index.html
+++ b/index.html
@@ -190,11 +190,11 @@
     <script src="https://unpkg.com/uhtml@3.0.1/es.js"></script>
     <script src="scripts/components.min.js" type="text/javascript"></script>
     <script src="scripts/btcwallet_scripts_lib.js" type="text/javascript"></script>
-    <script src="scripts/btcOperator.js"></script>
-    <script src="scripts/floCrypto.js"></script>
+    <script src="scripts/btcOperator.js" type="text/javascript"></script>
+    <script src="scripts/floCrypto.js" type="text/javascript"></script>
     <script src="scripts/tap_combined.js" type="text/javascript"></script>
-    <script src="scripts/keccak.js"></script>
-    <script src="scripts/floEthereum.js"></script>
+    <script src="scripts/keccak.js" type="text/javascript"></script>
+    <script src="scripts/floEthereum.js" type="text/javascript"></script>
     <script id="ui_utils">
         const uiGlobals = {}
         const { html, svg, render: renderElem } = uhtml;
@@ -1196,7 +1196,7 @@
                                 <output id="address_balance" class="amount-shown"></output>
                             </div>
                             <div class="flex align-center space-between sticky top-0" style="background-color: rgba(var(--foreground-color), 1); z-index: 2">
-                                <h5>Transactions</h5>
+                                <h4>Transactions</h4>
                                 <sm-chips id="filter_selector" onchange=${handleFiltering} role="listbox">
                                     <sm-chip value="all" selected="" role="option" tabindex="0">All</sm-chip>
                                     <sm-chip value="sent" role="option" tabindex="0">Sent</sm-chip>
@@ -1680,9 +1680,6 @@
         }
     </script>
     <script type="text/javascript">
-        //This library uses API provided by chain.so (https://chain.so/)
-        const URL = "https://blockchain.info/";
-
         const DUST_AMT = 546,
             MIN_FEE_UPDATE = 219;
 
@@ -1699,35 +1696,6 @@
             SEGWIT_OUTPUT_SIZE = 23,
             BECH32M_OUTPUT_SIZE = 35; // Check this later
 
-        function get_fee_rate() {
-            return new Promise((resolve, reject) => {
-                fetch('https://api.blockchain.info/mempool/fees').then(response => {
-                    if (response.ok)
-                        response.json()
-                            .then(result => resolve(btcOperator.util.Sat_to_BTC(result.regular)))
-                            .catch(error => reject(error));
-                    else
-                        reject(response);
-                }).catch(error => reject(error))
-            })
-        }
-
-        const fetch_api = function (api, json_res = true) {
-            return new Promise((resolve, reject) => {
-                console.debug(URL + api);
-                fetch(URL + api).then(response => {
-                    if (response.ok) {
-                        (json_res ? response.json() : response.text())
-                            .then(result => resolve(result))
-                            .catch(error => reject(error))
-                    } else {
-                        response.json()
-                            .then(result => reject(result))
-                            .catch(error => reject(error))
-                    }
-                }).catch(error => reject(error))
-            })
-        };
         function getTaprootAddress(wif) {
             if (!wif)
                 wif = coinjs.newKeys().wif
@@ -1783,8 +1751,8 @@
                     const amountInSat = btcOperator.util.BTC_to_Sat(totalAmount)
                     // check if sender has enough balance
                     const senderBalance = await btcOperator.getBalance(address)
-                    const feeRate = await get_fee_rate();
-                    let calculatedFee = 0
+                    const feeRate = await btcOperator.getFeeRate();
+                    let calculatedFee = 0;
                     const { input_size } = await addUTXOs(tx, tr, [address], btcOperator.util.BTC_to_Sat(totalAmount), feeRate)
                     calculatedFee += input_size
                     // add receivers
@@ -1828,7 +1796,7 @@
                     return reject(`Insufficient Balance.`);
                 let addr = senders[rec_args.n];
                 let size_per_input = _sizePerInput(addr);
-                fetch_api(`unspent?active=${addr}`).then(result => {
+                btcOperator.fetch(`unspent?active=${addr}`).then(result => {
                     let utxos = result.unspent_outputs;
                     // console.debug("add-utxo", addr, required_amount, utxos);
                     for (let i = 0; i < utxos.length && required_amount > 0; i++) {
diff --git a/scripts/btcOperator.js b/scripts/btcOperator.js
index b0e8f6d..d6d23f3 100644
--- a/scripts/btcOperator.js
+++ b/scripts/btcOperator.js
@@ -32,7 +32,7 @@
     util.Sat_to_BTC = value => parseFloat((value / SATOSHI_IN_BTC).toFixed(8));
     util.BTC_to_Sat = value => parseInt(value * SATOSHI_IN_BTC);
 
-    function get_fee_rate() {
+    const get_fee_rate = btcOperator.getFeeRate = () => {
         return new Promise((resolve, reject) => {
             fetch('https://api.blockchain.info/mempool/fees').then(response => {
                 if (response.ok)
@@ -674,113 +674,113 @@
         })
     }
 
-    btcOperator.editFee_corewallet = function(tx_hex, new_fee, private_keys, change_only = true) {
-    return new Promise((resolve, reject) => {
-        if (!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");
+    btcOperator.editFee_corewallet = function (tx_hex, new_fee, private_keys, change_only = true) {
+        return new Promise((resolve, reject) => {
+            if (!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");
 
-                //editable addresses in output values (for fee increase)
-                var edit_output_address = new Set();
-                if (change_only === true) //allow only change values (ie, sender address) to be edited to inc fee
-                    tx_parsed.inputs.forEach(inp => edit_output_address.add(inp.address));
-                else if (change_only === false) //allow all output values to be edited
-                    tx_parsed.outputs.forEach(out => edit_output_address.add(out.address));
-                else if (typeof change_only == 'string') // allow only given receiver id output to be edited
-                    edit_output_address.add(change_only);
-                else if (Array.isArray(change_only)) //allow only given set of receiver id outputs to be edited
-                    change_only.forEach(id => edit_output_address.add(id));
+                    //editable addresses in output values (for fee increase)
+                    var edit_output_address = new Set();
+                    if (change_only === true) //allow only change values (ie, sender address) to be edited to inc fee
+                        tx_parsed.inputs.forEach(inp => edit_output_address.add(inp.address));
+                    else if (change_only === false) //allow all output values to be edited
+                        tx_parsed.outputs.forEach(out => edit_output_address.add(out.address));
+                    else if (typeof change_only == 'string') // allow only given receiver id output to be edited
+                        edit_output_address.add(change_only);
+                    else if (Array.isArray(change_only)) //allow only given set of receiver id outputs to be edited
+                        change_only.forEach(id => edit_output_address.add(id));
 
-                //edit output values to increase fee
-                let inc_fee = util.BTC_to_Sat(new_fee - tx_parsed.fee);
-                if (inc_fee < MIN_FEE_UPDATE)
-                    return reject(`Insufficient additional fee. Minimum increment: ${MIN_FEE_UPDATE}`);
-                for (let i = tx.outs.length - 1; i >= 0 && inc_fee > 0; i--) //reduce in reverse order
-                    if (edit_output_address.has(tx_parsed.outputs[i].address)) {
-                        let current_value = tx.outs[i].value;
-                        if (current_value instanceof BigInteger) //convert BigInteger class to inv value
-                            current_value = current_value.intValue();
-                        //edit the value as required
-                        if (current_value > inc_fee) {
-                            tx.outs[i].value = current_value - inc_fee;
-                            inc_fee = 0;
-                        } else {
-                            inc_fee -= current_value;
-                            tx.outs[i].value = 0;
+                    //edit output values to increase fee
+                    let inc_fee = util.BTC_to_Sat(new_fee - tx_parsed.fee);
+                    if (inc_fee < MIN_FEE_UPDATE)
+                        return reject(`Insufficient additional fee. Minimum increment: ${MIN_FEE_UPDATE}`);
+                    for (let i = tx.outs.length - 1; i >= 0 && inc_fee > 0; i--) //reduce in reverse order
+                        if (edit_output_address.has(tx_parsed.outputs[i].address)) {
+                            let current_value = tx.outs[i].value;
+                            if (current_value instanceof BigInteger) //convert BigInteger class to inv value
+                                current_value = current_value.intValue();
+                            //edit the value as required
+                            if (current_value > inc_fee) {
+                                tx.outs[i].value = current_value - inc_fee;
+                                inc_fee = 0;
+                            } else {
+                                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; //in satoshi
+                        return reject(`Insufficient output values to increase fee. Maximum fee possible: ${util.Sat_to_BTC(max_possible_fee)}`);
                     }
-                if (inc_fee > 0) {
-                    let max_possible_fee = util.BTC_to_Sat(new_fee) - inc_fee; //in satoshi
-                    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 >= DUST_AMT); //remove all output with value less than DUST amount
+                    tx.outs = tx.outs.filter(o => o.value >= DUST_AMT); //remove all output with value less than DUST amount
 
-                //remove existing signatures and reset the scripts
-                let wif_keys = [];
-                let 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);
+                    //remove existing signatures and reset the scripts
+                    let wif_keys = [];
+                    let 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);
 
-                    //find the correct key for addr
-                    var privKey = private_keys.find(pk => verifyKey(addr, pk));
-                    if (!privKey)
-                        return reject(`Private key missing for ${addr}`);
-                    //find redeemScript (if any)
-                    const rs = _redeemScript(addr, privKey);
-                    rs === false ? wif_keys.unshift(privKey) : wif_keys.push(privKey); //sorting private-keys (wif)
-                    //reset the script for re-signing
-                    var script;
-                    if (!rs || !rs.length) {
-                        //legacy script (derive from address)
-                        let s = coinjs.script();
-                        s.writeOp(118); //OP_DUP
-                        s.writeOp(169); //OP_HASH160
-                        s.writeBytes(addr_decode.bytes);
-                        s.writeOp(136); //OP_EQUALVERIFY
-                        s.writeOp(172); //OP_CHECKSIG
-                        script = Crypto.util.bytesToHex(s.buffer);
-                    } else if (((rs.match(/^00/) && rs.length == 44)) || (rs.length == 40 && rs.match(/^[a-f0-9]+$/gi))) {
-                        //redeemScript for segwit/bech32 
-                        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);
-                        if (addr_decode == "bech32") {witness_position = witness_position + 1;} //bech32 has witness
-                    } else if (addr_decode.type === 'multisigBech32') {
-                        var rs_array = [];
-                        rs_array = btcOperator.extractLastHexStrings(tx.witness);
-                        let redeemScript = rs_array[witness_position];
-                        witness_position = witness_position + 1;
-                   
-                        //redeemScript multisig (bech32)
-                        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 //redeemScript for multisig (segwit)
-                        script = rs;
-                    tx.ins[i].script = coinjs.script(script);
-                }
-                tx.witness = false; //remove all witness signatures
-                console.debug("Unsigned:", tx.serialize());
-                //re-sign the transaction
-                new Set(wif_keys).forEach(key => tx.sign(key, 1 /*sighashtype*/ )); //Sign the tx using private key WIF
-                if (btcOperator.checkSigned(tx)) {
-                      resolve(tx.serialize());
+                        //find the correct key for addr
+                        var privKey = private_keys.find(pk => verifyKey(addr, pk));
+                        if (!privKey)
+                            return reject(`Private key missing for ${addr}`);
+                        //find redeemScript (if any)
+                        const rs = _redeemScript(addr, privKey);
+                        rs === false ? wif_keys.unshift(privKey) : wif_keys.push(privKey); //sorting private-keys (wif)
+                        //reset the script for re-signing
+                        var script;
+                        if (!rs || !rs.length) {
+                            //legacy script (derive from address)
+                            let s = coinjs.script();
+                            s.writeOp(118); //OP_DUP
+                            s.writeOp(169); //OP_HASH160
+                            s.writeBytes(addr_decode.bytes);
+                            s.writeOp(136); //OP_EQUALVERIFY
+                            s.writeOp(172); //OP_CHECKSIG
+                            script = Crypto.util.bytesToHex(s.buffer);
+                        } else if (((rs.match(/^00/) && rs.length == 44)) || (rs.length == 40 && rs.match(/^[a-f0-9]+$/gi))) {
+                            //redeemScript for segwit/bech32 
+                            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);
+                            if (addr_decode == "bech32") { witness_position = witness_position + 1; } //bech32 has witness
+                        } else if (addr_decode.type === 'multisigBech32') {
+                            var rs_array = [];
+                            rs_array = btcOperator.extractLastHexStrings(tx.witness);
+                            let redeemScript = rs_array[witness_position];
+                            witness_position = witness_position + 1;
+
+                            //redeemScript multisig (bech32)
+                            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 //redeemScript for multisig (segwit)
+                            script = rs;
+                        tx.ins[i].script = coinjs.script(script);
+                    }
+                    tx.witness = false; //remove all witness signatures
+                    console.debug("Unsigned:", tx.serialize());
+                    //re-sign the transaction
+                    new Set(wif_keys).forEach(key => tx.sign(key, 1 /*sighashtype*/)); //Sign the tx using private key WIF
+                    if (btcOperator.checkSigned(tx)) {
+                        resolve(tx.serialize());
                     } else {
-                      reject("All private keys not present");
+                        reject("All private keys not present");
                     }
+                }).catch(error => reject(error))
             }).catch(error => reject(error))
-        }).catch(error => reject(error))
-    })
-}
+        })
+    }
 
 
     btcOperator.sendTx = function (senders, privkeys, receivers, amounts, fee = null, options = {}) {
diff --git a/scripts/btcOperator.min.js b/scripts/btcOperator.min.js
new file mode 100644
index 0000000..d4a1c1d
--- /dev/null
+++ b/scripts/btcOperator.min.js
@@ -0,0 +1 @@
+!function(EXPORTS){const btcOperator="object"===typeof module?module.exports:window.btcOperator={},URL="https://blockchain.info/",fetch_api=btcOperator.fetch=function(api,json_res=!0){return new Promise(((resolve,reject)=>{console.debug(URL+api),fetch(URL+api).then((response=>{response.ok?(json_res?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)))}))},util=btcOperator.util={};util.Sat_to_BTC=value=>parseFloat((value/1e8).toFixed(8)),util.BTC_to_Sat=value=>parseInt(1e8*value);const get_fee_rate=btcOperator.getFeeRate=()=>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)))})),broadcastTx=btcOperator.broadcastTx=rawTxHex=>new Promise(((resolve,reject)=>{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=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)=>{fetch_api(`q/addressbalance/${addr}`).then((result=>resolve(util.Sat_to_BTC(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){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).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){return new Promise(((resolve,reject)=>{null!==fee?addUTXOs(tx,senders,redeemScripts,fee_from_receiver?total_amount:total_amount+fee,!1).then((result=>{result.fee=fee,resolve(result)})).catch((error=>reject(error))):get_fee_rate().then((fee_rate=>{let net_fee=BASE_TX_SIZE*fee_rate;net_fee+=output_size*fee_rate,(fee_from_receiver?addUTXOs(tx,senders,redeemScripts,total_amount,!1):addUTXOs(tx,senders,redeemScripts,total_amount+net_fee,fee_rate)).then((result=>{result.fee=parseFloat((net_fee+result.input_size*fee_rate).toFixed(8)),result.fee_rate=fee_rate,resolve(result)})).catch((error=>reject(error)))})).catch((error=>reject(error)))}))}function addUTXOs(tx,senders,redeemScripts,required_amount,fee_rate,rec_args={}){return new Promise(((resolve,reject)=>{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=${addr}`).then((result=>{let utxos=result.unspent_outputs;for(let i=0;i<utxos.length&&required_amount>0;i++)if(utxos[i].confirmations){var script;if(rs&&rs.length)if(rs.match(/^00/)&&44==rs.length||40==rs.length&&rs.match(/^[a-f0-9]+$/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={}){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).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=>{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/${txid}?format=hex`,!1).then((result=>resolve(result))).catch((error=>reject(error)))})),btcOperator.getAddressData=address=>new Promise(((resolve,reject)=>{fetch_api(`rawaddr/${address}`).then((data=>{let details={};details.balance=util.Sat_to_BTC(data.final_balance),details.address=data.address,details.txs=data.txs.map((tx=>{let d={txid:tx.hash,time:1e3*tx.time,block:tx.block_height,tx_senders:{}};tx.inputs.forEach((i=>{i.prev_out.addr in d.tx_senders?d.tx_senders[i.prev_out.addr]+=i.prev_out.value:d.tx_senders[i.prev_out.addr]=i.prev_out.value})),d.tx_input_value=0;for(let s in d.tx_senders){let val=d.tx_senders[s];d.tx_senders[s]=util.Sat_to_BTC(val),d.tx_input_value+=val}d.tx_input_value=util.Sat_to_BTC(d.tx_input_value),d.tx_receivers={},tx.out.forEach((o=>{o.addr in d.tx_receivers?d.tx_receivers[o.addr]+=o.value:d.tx_receivers[o.addr]=o.value})),d.tx_output_value=0;for(let r in d.tx_receivers){let val=d.tx_receivers[r];d.tx_receivers[r]=util.Sat_to_BTC(val),d.tx_output_value+=val}return d.tx_output_value=util.Sat_to_BTC(d.tx_output_value),d.tx_fee=util.Sat_to_BTC(tx.fee),tx.result>0?(d.type="in",d.amount=util.Sat_to_BTC(tx.result),d.sender=Object.keys(d.tx_senders).filter((s=>s!==address))):Object.keys(d.tx_receivers).some((r=>r!==address))?(d.type="out",d.amount=util.Sat_to_BTC(-1*tx.result),d.receiver=Object.keys(d.tx_receivers).filter((r=>r!==address)),d.fee=d.tx_fee):(d.type="self",d.amount=d.tx_receivers[address],d.address=address),d})),resolve(details)})).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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