Changing to testnet

Added Taproot Changes
Added support for Multisig fee Editing
Exposed internal functions under btcOperator object

btcOperator.js

@@ -1,4 +1,4 @@
-(function (EXPORTS) { //btcOperator v1.1.3b
+(function (EXPORTS) { //btcOperator v1.1.3c
     /* BTC Crypto and API Operator */
     const btcOperator = EXPORTS;
 
@@ -92,6 +92,9 @@
         },
         bech32Address: {
             value: key => coinjs.bech32Address(btcOperator.pubkey(key)).address
+        },
+        bech32mAddress: {
+            value: key => segwit_addr.encode("bc", 1, key)
         }
     });
 
@@ -107,6 +110,8 @@
                 return btcOperator.segwitAddress(key) === addr;
             case "bech32":
                 return btcOperator.bech32Address(key) === addr;
+            case "bech32m":
+                return btcOperator.bech32mAddress(key) === addr; // Key is a byte array of 32 bytes    
             default:
                 return null;
         }
@@ -116,7 +121,7 @@
         if (!addr)
             return undefined;
         let type = coinjs.addressDecode(addr).type;
-        if (["standard", "multisig", "bech32", "multisigBech32"].includes(type))
+        if (["standard", "multisig", "bech32", "multisigBech32", "bech32m"].includes(type))
             return type;
         else
             return false;
@@ -281,6 +286,7 @@
         BECH32_OUTPUT_SIZE = 23,
         BECH32_MULTISIG_OUTPUT_SIZE = 34,
         SEGWIT_OUTPUT_SIZE = 23;
+    BECH32M_OUTPUT_SIZE = 35; // Check this later
 
     function _redeemScript(addr, key) {
         let decode = coinjs.addressDecode(addr);
@@ -291,10 +297,15 @@
                 return key ? coinjs.segwitAddress(btcOperator.pubkey(key)).redeemscript : null;
             case "bech32":
                 return decode.redeemscript;
+            case "'multisigBech32":
+                return decode.redeemscript; //Multisig-edit-fee-change1
+            case "bech32m":
+                return decode.outstring; //Maybe the redeemscript will come when input processing happens for bech32m   
             default:
                 return null;
         }
     }
+    btcOperator._redeemScript = _redeemScript;
 
     function _sizePerInput(addr, rs) {
         switch (coinjs.addressDecode(addr).type) {
@@ -328,6 +339,8 @@
                 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;
         }
@@ -379,6 +392,7 @@
         //return
         return parameters;
     }
+    btcOperator.validateTxParameters = validateTxParameters;
 
     function createTransaction(senders, redeemScripts, receivers, amounts, fee, change_address, fee_from_receiver) {
         return new Promise((resolve, reject) => {
@@ -417,6 +431,7 @@
             }).catch(error => reject(error))
         })
     }
+    btcOperator.createTransaction = createTransaction;
 
     function addInputs(tx, senders, redeemScripts, total_amount, fee, output_size, fee_from_receiver) {
         return new Promise((resolve, reject) => {
@@ -441,6 +456,7 @@
             }
         })
     }
+    btcOperator.addInputs = addInputs;
 
     function addUTXOs(tx, senders, redeemScripts, required_amount, fee_rate, rec_args = {}) {
         return new Promise((resolve, reject) => {
@@ -495,6 +511,7 @@
             }).catch(error => reject(error))
         })
     }
+    btcOperator.addUTXOs = addUTXOs;
 
     function addOutputs(tx, receivers, amounts, change_address) {
         let size = 0;
@@ -506,6 +523,7 @@
         size += _sizePerOutput(change_address);
         return size;
     }
+    btcOperator.addOutputs = addOutputs;
 
     /*
     function autoFeeCalc(tx) {
@@ -553,7 +571,19 @@
             } else resolve(deserializeTx(tx));
         })
     }
+    btcOperator.tx_fetch_for_editing = tx_fetch_for_editing;
 
+    const extractLastHexStrings = 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 = true) {
         return new Promise((resolve, reject) => {
@@ -644,10 +674,119 @@
         })
     }
 
+    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));
+
+                //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)}`);
+                }
+                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);
+
+                    //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");
+                    }
+            }).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 => {
-                debugger;
+                // debugger;
                 broadcastTx(result.transaction.serialize())
                     .then(txid => resolve(txid))
                     .catch(error => reject(error));
@@ -760,7 +899,7 @@
         })
     }
 
-    function deserializeTx(tx) {
+    const deserializeTx = btcOperator.deserializeTx = function (tx) {
         if (typeof tx === 'string' || Array.isArray(tx)) {
             try {
                 tx = coinjs.transaction().deserialize(tx);
@@ -905,7 +1044,7 @@
         }).catch(error => reject(error))
     });
 
-    getTx.hex = txid => new Promise((resolve, reject) => {
+    getTx.hex = btcOperator.getTx.hex = txid => new Promise((resolve, reject) => {
         fetch_api(`rawtx/${txid}?format=hex`, false)
             .then(result => resolve(result))
             .catch(error => reject(error))

floBlockchainAPI.js

@@ -7,7 +7,7 @@
         blockchain: floGlobals.blockchain,
         apiURL: {
             FLO: ['https://blockbook.ranchimall.net/'],
-            FLO_TEST: []
+            FLO_TEST: ['https://blockbook-testnet.ranchimall.net/']
         },
         sendAmt: 0.0003,
         fee: 0.0002,
@@ -1041,4 +1041,4 @@
         })
     }
 
-})('object' === typeof module ? module.exports : window.floBlockchainAPI = {});
+})('object' === typeof module ? module.exports : window.floBlockchainAPI = {});

floCloudAPI.js

@@ -1,4 +1,4 @@
-(function (EXPORTS) { //floCloudAPI v2.4.3a
+(function (EXPORTS) { //floCloudAPI v2.4.5
     /* FLO Cloud operations to send/request application data*/
     'use strict';
     const floCloudAPI = EXPORTS;
@@ -609,49 +609,39 @@
         })
     }
     */
-    /*(NEEDS UPDATE)
-    //edit comment of data in supernode cloud (mutable comments only)
-    floCloudAPI.editApplicationData = function(vectorClock, newComment, oldData, options = {}) {
+    //edit comment of data in supernode cloud (sender only)
+    floCloudAPI.editApplicationData = function (vectorClock, comment_edit, options = {}) {
         return new Promise((resolve, reject) => {
-            let p0
-            if (!oldData) {
-                options.atVectorClock = vectorClock;
-                options.callback = false;
-                p0 = requestApplicationData(false, options)
-            } else
-                p0 = Promise.resolve({
-                    vectorClock: {
-                        ...oldData
-                    }
-                })
-            p0.then(d => {
-                if (d.senderID != user.id)
-                    return reject("Invalid requestorID")
-                else if (!d.comment.startsWith("EDIT:"))
-                    return reject("Data immutable")
-                let data = {
+            //request the data from cloud for resigning
+            let req_options = Object.assign({}, options);
+            req_options.atVectorClock = vectorClock;
+            requestApplicationData(undefined, req_options).then(result => {
+                if (!result.length)
+                    return reject("Data not found");
+                let data = result[0];
+                if (data.senderID !== user.id)
+                    return reject("Only sender can edit comment");
+                data.comment = comment_edit;
+                let hashcontent = ["receiverID", "time", "application", "type", "message", "comment"]
+                    .map(d => data[d]).join("|");
+                let re_sign = user.sign(hashcontent);
+                var request = {
+                    receiverID: options.receiverID || DEFAULT.adminID,
                     requestorID: user.id,
-                    receiverID: d.receiverID,
+                    pubKey: user.public,
                     time: Date.now(),
-                    application: d.application,
-                    edit: {
-                        vectorClock: vectorClock,
-                        comment: newComment
-                    }
+                    vectorClock: vectorClock,
+                    edit: comment_edit,
+                    re_sign: re_sign
                 }
-                d.comment = data.edit.comment;
-                let hashcontent = ["receiverID", "time", "application", "type", "message",
-                        "comment"
-                    ]
-                    .map(x => d[x]).join("|")
-                data.edit.sign = user.sign(hashcontent)
-                singleRequest(data.receiverID, data)
-                    .then(result => resolve("Data comment updated"))
+                let request_hash = ["time", "vectorClock", "edit", "re_sign"].map(d => request[d]).join("|");
+                request.sign = user.sign(request_hash);
+                singleRequest(request.receiverID, request)
+                    .then(result => resolve(result))
                     .catch(error => reject(error))
-            })
+            }).catch(error => reject(error))
         })
     }
-    */
 
     //tag data in supernode cloud (subAdmin access only)
     floCloudAPI.tagApplicationData = function (vectorClock, tag, options = {}) {
@@ -811,6 +801,67 @@
         })
     }
 
+    //upload file
+    floCloudAPI.uploadFile = function (fileBlob, type, options = {}) {
+        return new Promise((resolve, reject) => {
+            if (!(fileBlob instanceof File) && !(fileBlob instanceof Blob))
+                return reject("file must be instance of File/Blob");
+            fileBlob.arrayBuffer().then(arraybuf => {
+                let file_data = { type: fileBlob.type, name: fileBlob.name };
+                file_data.content = Crypto.util.bytesToBase64(new Uint8Array(arraybuf));
+                if (options.encrypt) {
+                    let encryptionKey = options.encrypt === true ?
+                        floGlobals.settings.encryptionKey : options.encrypt
+                    file_data = floCrypto.encryptData(JSON.stringify(file_data), encryptionKey)
+                }
+                sendApplicationData(file_data, type, options)
+                    .then(({ vectorClock, receiverID, type, application }) => resolve({ vectorClock, receiverID, type, application }))
+                    .catch(error => reject(error))
+            }).catch(error => reject(error))
+        })
+    }
+
+    //download file
+    floCloudAPI.downloadFile = function (vectorClock, options = {}) {
+        return new Promise((resolve, reject) => {
+            options.atVectorClock = vectorClock;
+            requestApplicationData(options.type, options).then(result => {
+                if (!result.length)
+                    return reject("File not found");
+                result = result[0];
+                try {
+                    let file_data = decodeMessage(result.message);
+                    //file is encrypted: decryption required
+                    if (file_data instanceof Object && "secret" in file_data) {
+                        if (!options.decrypt)
+                            return reject("Data is encrypted");
+                        let decryptionKey = (options.decrypt === true) ? Crypto.AES.decrypt(user_private, aes_key) : options.decrypt;
+                        if (!Array.isArray(decryptionKey))
+                            decryptionKey = [decryptionKey];
+                        let flag = false;
+                        for (let key of decryptionKey) {
+                            try {
+                                let tmp = floCrypto.decryptData(file_data, key);
+                                file_data = JSON.parse(tmp);
+                                flag = true;
+                                break;
+                            } catch (error) { }
+                        }
+                        if (!flag)
+                            return reject("Unable to decrypt file: Invalid private key");
+                    }
+                    //reconstruct the file
+                    let arraybuf = new Uint8Array(Crypto.util.base64ToBytes(file_data.content))
+                    result.file = new File([arraybuf], file_data.name, { type: file_data.type });
+                    resolve(result)
+                } catch (error) {
+                    console.error(error);
+                    reject("Data is not a file");
+                }
+            }).catch(error => reject(error))
+        })
+    }
+
     /*
     Functions:
     findDiff(original, updatedObj) returns an object with the added, deleted and updated differences  

floDapps.js

@@ -1,4 +1,4 @@
-(function (EXPORTS) { //floDapps v2.4.0
+(function (EXPORTS) { //floDapps v2.4.1
     /* General functions for FLO Dapps*/
     'use strict';
     const floDapps = EXPORTS;
@@ -172,12 +172,7 @@
                 //general
                 lastTx: {},
                 //supernode (cloud list)
-                supernodes: {
-                    indexes: {
-                        uri: null,
-                        pubKey: null
-                    }
-                }
+                supernodes: {}
             }
             var obs_a = {
                 //login credentials
@@ -257,7 +252,8 @@
         return new Promise((resolve, reject) => {
             if (!startUpOptions.cloud)
                 return resolve("No cloud for this app");
-            compactIDB.readData("lastTx", floCloudAPI.SNStorageID, DEFAULT.root).then(lastTx => {
+            const CLOUD_KEY = "floCloudAPI#" + floCloudAPI.SNStorageID;
+            compactIDB.readData("lastTx", CLOUD_KEY, DEFAULT.root).then(lastTx => {
                 var query_options = { sentOnly: true, pattern: floCloudAPI.SNStorageName };
                 if (typeof lastTx == 'number')  //lastTx is tx count (*backward support)
                     query_options.ignoreOld = lastTx;
@@ -265,25 +261,27 @@
                     query_options.after = lastTx;
                 //fetch data from flosight
                 floBlockchainAPI.readData(floCloudAPI.SNStorageID, query_options).then(result => {
-                    for (var i = result.data.length - 1; i >= 0; i--) {
-                        var content = JSON.parse(result.data[i])[floCloudAPI.SNStorageName];
-                        for (let sn in content.removeNodes)
-                            compactIDB.removeData("supernodes", sn, DEFAULT.root);
-                        for (let sn in content.newNodes)
-                            compactIDB.writeData("supernodes", content.newNodes[sn], sn, DEFAULT.root);
-                        for (let sn in content.updateNodes)
-                            compactIDB.readData("supernodes", sn, DEFAULT.root).then(r => {
-                                r = r || {}
-                                r.uri = content.updateNodes[sn];
-                                compactIDB.writeData("supernodes", r, sn, DEFAULT.root);
-                            });
-                    }
-                    compactIDB.writeData("lastTx", result.lastItem, floCloudAPI.SNStorageID, DEFAULT.root);
-                    compactIDB.readAllData("supernodes", DEFAULT.root).then(nodes => {
-                        floCloudAPI.init(nodes)
-                            .then(result => resolve("Loaded Supernode list\n" + result))
-                            .catch(error => reject(error))
-                    })
+                    compactIDB.readData("supernodes", CLOUD_KEY, DEFAULT.root).then(nodes => {
+                        nodes = nodes || {};
+                        for (var i = result.data.length - 1; i >= 0; i--) {
+                            var content = JSON.parse(result.data[i])[floCloudAPI.SNStorageName];
+                            for (let sn in content.removeNodes)
+                                delete nodes[sn];
+                            for (let sn in content.newNodes)
+                                nodes[sn] = content.newNodes[sn];
+                            for (let sn in content.updateNodes)
+                                if (sn in nodes) //check if node is listed
+                                    nodes[sn].uri = content.updateNodes[sn];
+                        }
+                        Promise.all([
+                            compactIDB.writeData("lastTx", result.lastItem, CLOUD_KEY, DEFAULT.root),
+                            compactIDB.writeData("supernodes", nodes, CLOUD_KEY, DEFAULT.root)
+                        ]).then(_ => {
+                            floCloudAPI.init(nodes)
+                                .then(result => resolve("Loaded Supernode list\n" + result))
+                                .catch(error => reject(error))
+                        }).catch(error => reject(error))
+                    }).catch(error => reject(error))
                 })
             }).catch(error => reject(error))
         })

index.html

@@ -6,9 +6,9 @@
     <script id="floGlobals">
         /* Constants for FLO blockchain operations !!Make sure to add this at beginning!! */
         const floGlobals = {
-            blockchain: "FLO",
-            adminID: "FKAEdnPfjXLHSYwrXQu377ugN4tXU7VGdf",
-            application: "TEST_MODE",
+            blockchain: "FLO_TEST",
+            adminID: "oKKHdK5uYAJ52U91sYsWhnEaEAAhZP779B",
+            application: "TEST_MODE_testnet",
         }
     </script>
     <script>
@@ -54,4 +54,4 @@
     (use console)
 </body>
 
-</html>
+</html>