messenger/scripts/messenger.js
sairaj mote d956e1d613 bug fix
-- Fixed "Cannot set properties of undefined (setting 'chats')" issue
2023-12-21 00:46:46 +05:30

1655 lines
75 KiB
JavaScript

(function () {
const rmMessenger = window.rmMessenger = {};
const user = {
get id() {
return floDapps.user.id
},
get public() {
return floDapps.user.public
}
}
const expiredKeys = {};
const UI = {
group: (d, e) => console.log(d, e),
pipeline: (d, e) => console.log(d, e),
direct: (d, e) => console.log(d, e),
chats: (c) => console.log(c),
mails: (m) => console.log(m),
marked: (r) => console.log(r)
};
rmMessenger.renderUI = {};
Object.defineProperties(rmMessenger.renderUI, {
chats: {
set: ui_fn => UI.chats = ui_fn
},
directChat: {
set: ui_fn => UI.direct = ui_fn
},
groupChat: {
set: ui_fn => UI.group = ui_fn
},
pipeline: {
set: ui_fn => UI.pipeline = ui_fn
},
mails: {
set: ui_fn => UI.mails = ui_fn
},
marked: {
set: ui_fn => UI.marked = ui_fn
}
});
const _loaded = {};
Object.defineProperties(rmMessenger, {
chats: {
get: () => _loaded.chats
},
groups: {
get: () => _loaded.groups
},
pipeline: {
get: () => _loaded.pipeline
},
blocked: {
get: () => _loaded.blocked
},
marked: {
get: () => _loaded.marked
}
});
var directConnID = [], groupConnID = {},
pipeConnID = {};
rmMessenger.conn = {};
Object.defineProperties(rmMessenger.conn, {
direct: {
get: () => directConnID
},
group: {
get: () => Object.assign({}, groupConnID),
// value: g_id => groupConnID[g_id]
}
});
function sendRaw(message, recipient, type, encrypt = null, comment = undefined) {
return new Promise((resolve, reject) => {
if (!floCrypto.validateAddr(recipient))
return reject("Invalid Recipient");
if ([true, null].includes(encrypt)) {
let r_pubKey = floDapps.user.get_pubKey(recipient);
if (r_pubKey)
message = floCrypto.encryptData(message, r_pubKey);
else if (encrypt === true)
return reject("recipient's pubKey not found")
}
let options = {
receiverID: recipient,
}
if (comment)
options.comment = comment
floCloudAPI.sendApplicationData(message, type, options)
.then(result => resolve(result))
.catch(error => reject(error))
})
}
rmMessenger.sendRaw = sendRaw;
function encrypt(value, key = _loaded.appendix.AESKey) {
return Crypto.AES.encrypt(value, key)
}
rmMessenger.encrypt = encrypt;
function decrypt(value, key = _loaded.appendix.AESKey) {
return Crypto.AES.decrypt(value, key)
}
function addMark(key, mark) {
return new Promise((resolve, reject) => {
compactIDB.readData("marked", key).then(result => {
if (!result)
result = [mark];
else if (!result.includes(mark))
result.push(mark);
else
return resolve("Mark already exist");
compactIDB.writeData("marked", result, key)
.then(result => resolve(result))
.catch(error => reject(error))
}).catch(error => reject(error))
})
}
function removeMark(key, mark) {
return new Promise((resolve, reject) => {
compactIDB.readData("marked", key).then(result => {
if (!result || !result.includes(mark))
return resolve("Mark doesnot exist")
else {
result.splice(result.indexOf(mark), 1); //remove the mark from the list of marks
compactIDB.writeData("marked", result, key)
.then(result => resolve("Mark removed"))
.catch(error => reject(error))
}
}).catch(error => reject(error))
})
}
const initUserDB = function () {
return new Promise((resolve, reject) => {
var obj = {
messages: {},
mails: {},
marked: {},
chats: {},
groups: {},
gkeys: {},
blocked: {},
pipeline: {},
request_sent: {},
request_received: {},
response_sent: {},
response_received: {},
flodata: {},
appendix: {},
userSettings: {},
multisigLabels: {}
}
let user_db = `${floGlobals.application}_${floCrypto.toFloID(user.id)}`;
compactIDB.initDB(user_db, obj).then(result => {
console.info(result)
compactIDB.setDefaultDB(user_db);
resolve("Messenger UserDB Initated Successfully")
}).catch(error => reject(error));
})
}
rmMessenger.blockUser = function (floID) {
return new Promise((resolve, reject) => {
if (_loaded.blocked.has(floID))
return resolve("User is already blocked");
compactIDB.addData("blocked", true, floID).then(result => {
_loaded.blocked.add(floID);
resolve("Blocked User: " + floID);
}).catch(error => reject(error))
})
}
rmMessenger.unblockUser = function (floID) {
return new Promise((resolve, reject) => {
if (!_loaded.blocked.has(floID))
return resolve("User is not blocked");
compactIDB.removeData("blocked", floID).then(result => {
_loaded.blocked.delete(floID);
resolve("Unblocked User: " + floID);
}).catch(error => reject(error))
})
}
rmMessenger.sendMessage = function (message, receiver) {
return new Promise((resolve, reject) => {
sendRaw(message, receiver, "MESSAGE").then(result => {
let vc = result.vectorClock;
let data = {
floID: receiver,
time: result.time,
category: 'sent',
message: encrypt(message)
}
_loaded.chats[receiver] = parseInt(vc)
compactIDB.writeData("chats", parseInt(vc), receiver)
compactIDB.addData("messages", Object.assign({}, data), `${receiver}|${vc}`)
data.message = message;
resolve({
[vc]: data
});
}).catch(error => reject(error))
})
}
rmMessenger.sendMail = function (subject, content, recipients, prev = null) {
return new Promise((resolve, reject) => {
if (!Array.isArray(recipients))
recipients = [recipients]
let mail = {
subject: subject,
content: content,
ref: Date.now() + floCrypto.randString(8, true),
prev: prev
}
let promises = recipients.map(r => sendRaw(JSON.stringify(mail), r, "MAIL"))
Promise.allSettled(promises).then(results => {
mail.time = Date.now();
mail.from = user.id
mail.to = []
results.forEach(r => {
if (r.status === "fulfilled")
mail.to.push(r.value.receiverID)
});
if (mail.to.length === 0)
return reject(results)
mail.content = encrypt(content)
compactIDB.addData("mails", Object.assign({}, mail), mail.ref)
mail.content = content
resolve({
[mail.ref]: mail
});
})
})
}
function listRequests(obs, options = null) {
return new Promise((resolve, reject) => {
compactIDB.readAllData(obs).then(result => {
if (!options || typeof options !== 'object')
return resolve(result);
let filtered = {};
for (let k in result) {
let val = result[k];
if (options.type && options.type == val.type) continue;
else if (options.floID && options.floID == val.floID) continue;
else if (typeof options.completed !== 'undefined' && options.completed == !(val.completed))
continue;
filtered[k] = val;
}
resolve(filtered);
}).catch(error => reject(error))
})
}
rmMessenger.list_request_sent = (options = null) => listRequests('request_sent', options);
rmMessenger.list_request_received = (options = null) => listRequests('request_received', options);
rmMessenger.list_response_sent = (options = null) => listRequests('response_sent', options);
rmMessenger.list_response_received = (options = null) => listRequests('response_received', options);
function sendRequest(receiver, type, message, encrypt = null) {
return new Promise((resolve, reject) => {
sendRaw(message, receiver, "REQUEST", encrypt, type).then(result => {
let vc = result.vectorClock;
let data = {
floID: receiver,
time: result.time,
message: message,
type: type
}
compactIDB.addData("request_sent", data, vc);
resolve({
[vc]: data
});
}).catch(error => reject(error))
})
}
rmMessenger.request_pubKey = (receiver, message = '') => sendRequest(receiver, "PUBLIC_KEY", message, false);
function sendResponse(req_id, message, encrypt = null) {
return new Promise((resolve, reject) => {
compactIDB.readData("request_received", req_id).then(request => {
let _message = JSON.stringify({
value: message,
reqID: req_id
});
sendRaw(_message, request.floID, "RESPONSE", encrypt, request.type).then(result => {
let vc = result.vectorClock;
let data = {
floID: request.floID,
time: result.time,
message: message,
type: request.type,
reqID: req_id
}
compactIDB.addData("response_sent", data, vc);
request.completed = vc;
compactIDB.writeData("request_received", request, req_id);
resolve({
[vc]: data
});
}).catch(error => reject(error))
}).catch(error => reject(error))
})
}
rmMessenger.respond_pubKey = (req_id, message = '') => sendResponse(req_id, message, false);
const processData = {};
processData.direct = function () {
return (unparsed, newInbox) => {
//store the pubKey if not stored already
floDapps.storePubKey(unparsed.senderID, unparsed.pubKey);
if (_loaded.blocked.has(unparsed.senderID) && unparsed.type !== "REVOKE_KEY")
throw "blocked-user";
if (unparsed.message instanceof Object && "secret" in unparsed.message)
unparsed.message = floDapps.user.decrypt(unparsed.message);
let vc = unparsed.vectorClock;
switch (unparsed.type) {
case "MESSAGE": { //process as message
let dm = {
time: unparsed.time,
floID: unparsed.senderID,
category: "received",
message: encrypt(unparsed.message)
}
console.debug(dm, `${dm.floID}|${vc}`);
compactIDB.addData("messages", Object.assign({}, dm), `${dm.floID}|${vc}`)
_loaded.chats[dm.floID] = parseInt(vc)
compactIDB.writeData("chats", parseInt(vc), dm.floID)
dm.message = unparsed.message;
newInbox.messages[vc] = dm;
addMark(dm.floID, "unread");
break;
}
case "REQUEST": {
let req = {
floID: unparsed.senderID,
time: unparsed.time,
message: unparsed.message,
type: unparsed.comment
}
compactIDB.addData("request_received", req, vc);
newInbox.requests[vc] = req;
break;
}
case "RESPONSE": {
let data = JSON.parse(unparsed.message);
let res = {
floID: unparsed.senderID,
time: unparsed.time,
message: data.value,
type: unparsed.comment,
reqID: data.reqID
}
compactIDB.addData("response_received", res, vc);
compactIDB.readData("request_sent", data.reqID).then(req => {
req.completed = vc;
compactIDB.writeData("request_sent", req, data.reqID)
});
newInbox.responses[vc] = res;
break;
}
case "MAIL": { //process as mail
let data = JSON.parse(unparsed.message);
let mail = {
time: unparsed.time,
from: unparsed.senderID,
to: [unparsed.receiverID],
subject: data.subject,
content: encrypt(data.content),
ref: data.ref,
prev: data.prev
}
compactIDB.addData("mails", Object.assign({}, mail), mail.ref);
mail.content = data.content;
newInbox.mails[mail.ref] = mail;
addMark(mail.ref, "unread");
break;
}
case "CREATE_GROUP": { //process create group
let groupInfo = JSON.parse(unparsed.message);
let h = ["groupID", "created", "admin"].map(x => groupInfo[x]).join('|')
if (groupInfo.admin === unparsed.senderID &&
floCrypto.verifySign(h, groupInfo.hash, groupInfo.pubKey) &&
floCrypto.getFloID(groupInfo.pubKey) === groupInfo.groupID) {
let eKey = groupInfo.eKey
groupInfo.eKey = encrypt(eKey)
compactIDB.writeData("groups", Object.assign({}, groupInfo), groupInfo.groupID)
groupInfo.eKey = eKey
_loaded.groups[groupInfo.groupID] = groupInfo
requestGroupInbox(groupInfo.groupID)
newInbox.newgroups.push(groupInfo.groupID)
}
break;
}
case "REVOKE_KEY": { //revoke group key
let r = JSON.parse(unparsed.message);
let groupInfo = _loaded.groups[r.groupID]
if (unparsed.senderID === groupInfo.admin) {
if (typeof expiredKeys[r.groupID] !== "object")
expiredKeys[r.groupID] = {}
expiredKeys[r.groupID][vc] = groupInfo.eKey
let eKey = r.newKey
groupInfo.eKey = encrypt(eKey);
compactIDB.writeData("groups", Object.assign({}, groupInfo), groupInfo.groupID)
groupInfo.eKey = eKey
newInbox.keyrevoke.push(groupInfo.groupID)
}
break;
}
case "CREATE_PIPELINE": { //add pipeline
let pipelineInfo = JSON.parse(unparsed.message);
let eKey = pipelineInfo.eKey;
pipelineInfo.eKey = encrypt(eKey)
compactIDB.addData("pipeline", Object.assign({}, pipelineInfo), pipelineInfo.id);
pipelineInfo.eKey = eKey;
_loaded.pipeline[pipelineInfo.id] = pipelineInfo
requestPipelineInbox(pipelineInfo.id, pipelineInfo.model);
newInbox.pipeline[pipelineInfo.id] = pipelineInfo.model;
}
}
}
}
function requestDirectInbox() {
if (directConnID.length) { //close existing request connection (if any)
directConnID.forEach(id => floCloudAPI.closeRequest(id));
directConnID = [];
}
const parseData = processData.direct();
let callbackFn = function (dataSet, error) {
if (error)
return console.error(error)
let newInbox = {
messages: {},
requests: {},
responses: {},
mails: {},
newgroups: [],
keyrevoke: [],
pipeline: {}
}
for (let vc in dataSet) {
try {
parseData(dataSet[vc], newInbox);
} catch (error) {
//if (error !== "blocked-user")
console.log(error);
} finally {
if (_loaded.appendix.lastReceived < vc)
_loaded.appendix.lastReceived = vc;
}
}
compactIDB.writeData("appendix", _loaded.appendix.lastReceived, "lastReceived");
console.debug(newInbox);
UI.direct(newInbox)
}
return new Promise((resolve, reject) => {
const promises = [
floCloudAPI.requestApplicationData(null, {
receiverID: user.id,
lowerVectorClock: _loaded.appendix.lastReceived + 1,
callback: callbackFn
}),
floCloudAPI.requestApplicationData(null, {
receiverID: floEthereum.ethAddressFromCompressedPublicKey(user.public),
lowerVectorClock: _loaded.appendix.lastReceived + 1,
callback: callbackFn
})
]
Promise.all(promises).then(connectionIds => {
directConnID = [...directConnID, ...connectionIds];
resolve("Direct Inbox connected");
}).catch(error => reject(error))
})
}
rmMessenger.getMail = function (mailRef) {
return new Promise((resolve, reject) => {
compactIDB.readData("mails", mailRef).then(mail => {
mail.content = decrypt(mail.content)
resolve(mail)
}).catch(error => reject(error))
});
}
const getChatOrder = rmMessenger.getChatOrder = function (separate = false) {
let result;
if (separate) {
result = {};
result.direct = Object.keys(_loaded.chats).map(a => [_loaded.chats[a], a])
.sort((a, b) => b[0] - a[0]).map(a => a[1]);
result.group = Object.keys(_loaded.groups).map(a => [parseInt(_loaded.appendix[`lastReceived_${a}`]), a])
.sort((a, b) => b[0] - a[0]).map(a => a[1]);
result.pipeline = Object.keys(_loaded.pipeline).map(a => [parseInt(_loaded.appendix[`lastReceived_${a}`]), a])
.sort((a, b) => b[0] - a[0]).map(a => a[1]);
} else {
result = Object.keys(_loaded.chats).map(a => [_loaded.chats[a], a])
.concat(Object.keys(_loaded.groups).map(a => [parseInt(_loaded.appendix[`lastReceived_${a}`]), a]))
.concat(Object.keys(_loaded.pipeline).map(a => [parseInt(_loaded.appendix[`lastReceived_${a}`]), a]))
.sort((a, b) => b[0] - a[0]).map(a => a[1])
}
return result;
}
rmMessenger.storeContact = function (floID, name) {
return floDapps.storeContact(floID, name)
}
const loadDataFromIDB = function (defaultList = true) {
return new Promise((resolve, reject) => {
if (defaultList)
dataList = ["mails", "marked", "groups", "pipeline", "chats", "blocked", "appendix"]
else
dataList = ["messages", "mails", "marked", "chats", "groups", "gkeys", "pipeline", "blocked", "appendix"]
let promises = []
for (var i = 0; i < dataList.length; i++)
promises[i] = compactIDB.readAllData(dataList[i])
Promise.all(promises).then(results => {
let data = {}
for (var i = 0; i < dataList.length; i++)
data[dataList[i]] = results[i]
data.appendix.lastReceived = data.appendix.lastReceived || '0';
if (data.appendix.AESKey) {
try {
let AESKey = floDapps.user.decrypt(data.appendix.AESKey);
data.appendix.AESKey = AESKey;
if (dataList.includes("messages"))
for (let m in data.messages)
if (data.messages[m].message)
data.messages[m].message = decrypt(data.messages[m].message, AESKey);
if (dataList.includes("mails"))
for (let m in data.mails)
data.mails[m].content = decrypt(data.mails[m].content, AESKey);
if (dataList.includes("groups"))
for (let g in data.groups)
data.groups[g].eKey = decrypt(data.groups[g].eKey, AESKey);
if (dataList.includes("gkeys"))
for (let k in data.gkeys)
data.gkeys[k] = decrypt(data.gkeys[k], AESKey);
if (dataList.includes("pipeline"))
for (let p in data.pipeline)
data.pipeline[p].eKey = decrypt(data.pipeline[p].eKey, AESKey);
resolve(data)
} catch (error) {
console.error(error)
reject("Corrupted AES Key");
}
} else {
if (Object.keys(data.mails).length)
return reject("AES Key not Found")
let AESKey = floCrypto.randString(32, false);
let encryptedKey = floCrypto.encryptData(AESKey, user.public);
compactIDB.addData("appendix", encryptedKey, "AESKey").then(result => {
data.appendix.AESKey = AESKey;
resolve(data);
}).catch(error => reject("Unable to Generate AES Key"))
}
}).catch(error => reject(error))
})
}
rmMessenger.addMark = function (key, mark) {
if (_loaded.marked.hasOwnProperty(key) && !_loaded.marked[key].includes(mark))
_loaded.marked[key].push(mark)
return addMark(key, mark)
}
rmMessenger.removeMark = function (key, mark) {
if (_loaded.marked.hasOwnProperty(key))
_loaded.marked[key] = _loaded.marked[key].filter(v => v !== mark)
return removeMark(key, mark)
}
rmMessenger.addChat = function (chatID) {
return new Promise((resolve, reject) => {
compactIDB.addData("chats", 0, chatID)
.then(result => resolve("Added chat"))
.catch(error => reject(error))
})
}
rmMessenger.rmChat = function (chatID) {
return new Promise((resolve, reject) => {
compactIDB.removeData("chats", chatID)
.then(result => resolve("Chat removed"))
.catch(error => reject(error))
})
}
rmMessenger.clearChat = function (chatID) {
return new Promise((resolve, reject) => {
let options = {
lowerKey: `${chatID}|`,
upperKey: `${chatID}||`
}
compactIDB.searchData("messages", options).then(result => {
let promises = []
for (let i in result)
promises.push(compactIDB.removeData("messages", i))
Promise.all(promises)
.then(result => resolve("Chat cleared"))
.catch(error => reject(error))
}).catch(error => reject(error))
})
}
const getChat = rmMessenger.getChat = function (chatID) {
return new Promise((resolve, reject) => {
let options = {
lowerKey: `${chatID}|`,
upperKey: `${chatID}||`
}
compactIDB.searchData("messages", options).then(result => {
for (let i in result)
if (result[i].message)
result[i].message = decrypt(result[i].message)
resolve(result)
}).catch(error => reject(error))
})
}
rmMessenger.backupData = function () {
return new Promise((resolve, reject) => {
loadDataFromIDB(false).then(data => {
delete data.appendix.AESKey;
data.contacts = floGlobals.contacts;
data.pubKeys = floGlobals.pubKeys;
data = btoa(unescape(encodeURIComponent(JSON.stringify(data))))
let blobData = {
floID: user.id,
pubKey: user.public,
data: floDapps.user.encipher(data),
}
blobData.sign = floDapps.user.sign(blobData.data);
resolve(new Blob([JSON.stringify(blobData)], {
type: 'application/json'
}));
}).catch(error => reject(error))
})
}
const parseBackup = rmMessenger.parseBackup = function (blob) {
return new Promise((resolve, reject) => {
if (blob instanceof Blob || blob instanceof File) {
let reader = new FileReader();
reader.onload = evt => {
var blobData = JSON.parse(evt.target.result);
if (!floCrypto.verifySign(blobData.data, blobData.sign, blobData.pubKey))
reject("Corrupted Backup file: Signature verification failed");
else if (user.id !== blobData.floID || user.public !== blobData.pubKey)
reject("Invalid Backup file: Incorrect floID");
else {
try {
let data = floDapps.user.decipher(blobData.data);
try {
data = JSON.parse(decodeURIComponent(escape(atob(data))));
resolve(data)
} catch (e) {
reject("Corrupted Backup file: Parse failed");
}
} catch (e) {
reject("Corrupted Backup file: Decryption failed");
}
}
}
reader.readAsText(blob);
} else
reject("Backup is not a valid File (or) Blob")
})
}
rmMessenger.restoreData = function (arg) {
return new Promise((resolve, reject) => {
if (arg instanceof Blob || arg instanceof File)
var parseData = parseBackup
else
var parseData = data => new Promise((res, rej) => res(data))
parseData(arg).then(data => {
for (let m in data.messages)
if (data.messages[m].message)
data.messages[m].message = encrypt(data.messages[m].message)
for (let m in data.mails)
data.mails[m].content = encrypt(data.mails[m].content)
for (let k in data.gkeys)
data.gkeys[k] = encrypt(data.gkeys[k])
for (let g in data.groups)
data.groups[g].eKey = encrypt(data.groups[g].eKey)
for (let p in data.pipeline)
data.pipeline[p].eKey = encrypt(data.pipeline[p].eKey)
for (let c in data.chats)
if (data.chats[c] <= _loaded.chats[c])
delete data.chats[c]
for (let l in data.appendix)
if (l.startsWith('lastReceived') && data.appendix[l] <= _loaded.appendix[l])
delete data.appendix[l]
for (let c in data.contacts)
if (c in floGlobals.contacts)
delete data.contacts[c]
for (let p in data.pubKeys)
if (p in floGlobals.pubKeys)
delete data.pubKeys[p]
let promises = [];
for (let obs in data) {
let writeFn;
switch (obs) {
case "contacts":
writeFn = (k, v) => floDapps.storeContact(k, v);
break;
case "pubKeys":
writeFn = (k, v) => floDapps.storePubKey(k, v);
break;
default:
writeFn = (k, v) => compactIDB.writeData(obs, v, k);
break;
}
for (let k in data[obs])
promises.push(writeFn(k, data[obs][k]));
}
Promise.all(promises)
.then(results => resolve("Restore Successful"))
.catch(error => reject("Restore Failed: Unable to write to IDB"))
}).catch(error => reject(error))
})
}
rmMessenger.clearUserData = function () {
return new Promise((resolve, reject) => {
let user_floID = floCrypto.toFloID(user.id);
let promises = [
compactIDB.deleteDB(`${floGlobals.application}_${user_floID}`),
compactIDB.removeData('lastTx', `${floGlobals.application}|${user_floID}`, floDapps.root),
floDapps.clearCredentials()
]
Promise.all(promises)
.then(result => resolve("User Data cleared"))
.catch(error => reject(error))
})
}
//group feature
rmMessenger.createGroup = function (groupname, description = '') {
return new Promise((resolve, reject) => {
if (!groupname) return reject("Invalid Group Name")
let id = floCrypto.generateNewID();
let groupInfo = {
groupID: id.floID,
pubKey: id.pubKey,
admin: user.id,
name: groupname,
description: description,
created: Date.now(),
members: [user.id]
}
let h = ["groupID", "created", "admin"].map(x => groupInfo[x]).join('|')
groupInfo.hash = floCrypto.signData(h, id.privKey)
let eKey = floCrypto.randString(16, false)
groupInfo.eKey = encrypt(eKey)
let p1 = compactIDB.addData("groups", groupInfo, id.floID)
let p2 = compactIDB.addData("gkeys", encrypt(id.privKey), id.floID)
Promise.all([p1, p2]).then(r => {
groupInfo.eKey = eKey
_loaded.groups[id.floID] = groupInfo;
requestGroupInbox(id.floID)
resolve(groupInfo)
}).catch(e => reject(e))
})
}
rmMessenger.changeGroupName = function (groupID, name) {
return new Promise((resolve, reject) => {
let groupInfo = _loaded.groups[groupID]
if (user.id !== groupInfo.admin)
return reject("Access denied: Admin only!")
let message = encrypt(name, groupInfo.eKey)
sendRaw(message, groupID, "UP_NAME", false)
.then(result => resolve('Name updated'))
.catch(error => reject(error))
})
}
rmMessenger.changeGroupDescription = function (groupID, description) {
return new Promise((resolve, reject) => {
let groupInfo = _loaded.groups[groupID]
if (user.id !== groupInfo.admin)
return reject("Access denied: Admin only!")
let message = encrypt(description, groupInfo.eKey)
sendRaw(message, groupID, "UP_DESCRIPTION", false)
.then(result => resolve('Description updated'))
.catch(error => reject(error))
})
}
rmMessenger.addGroupMembers = function (groupID, newMem, note = undefined) {
return new Promise((resolve, reject) => {
if (!Array.isArray(newMem) && typeof newMem === "string")
newMem = [newMem]
//check for validity
let imem1 = [],
imem2 = []
newMem.forEach(m =>
!floCrypto.validateAddr(m) ? imem1.push(m) :
m in floGlobals.pubKeys ? null : imem2.push(m)
);
if (imem1.length)
return reject(`Invalid Members(floIDs): ${imem1}`)
else if (imem2.length)
return reject(`Invalid Members (pubKey not available): ${imem2}`)
//send new newMem list to existing members
let groupInfo = _loaded.groups[groupID]
if (user.id !== groupInfo.admin)
return reject("Access denied: Admin only!")
let k = groupInfo.eKey;
//send groupInfo to new newMem
groupInfo = JSON.stringify(groupInfo)
let promises = newMem.map(m => sendRaw(groupInfo, m, "CREATE_GROUP", true));
Promise.allSettled(promises).then(results => {
let success = [],
failed = [];
for (let i in results)
if (results[i].status === "fulfilled")
success.push(newMem[i])
else if (results[i].status === "rejected")
failed.push(newMem[i])
let message = encrypt(success.join("|"), k)
sendRaw(message, groupID, "ADD_MEMBERS", false, note)
.then(r => resolve(`Members added: ${success}`))
.catch(e => reject(e))
})
})
}
rmMessenger.rmGroupMembers = function (groupID, rmMem, note = undefined) {
return new Promise((resolve, reject) => {
if (!Array.isArray(rmMem) && typeof rmMem === "string")
rmMem = [rmMem]
let groupInfo = _loaded.groups[groupID]
let imem = rmMem.filter(m => !groupInfo.members.includes(m))
if (imem.length)
return reject(`Invalid members: ${imem}`)
if (user.id !== groupInfo.admin)
return reject("Access denied: Admin only!")
let message = encrypt(rmMem.join("|"), groupInfo.eKey)
let p1 = sendRaw(message, groupID, "RM_MEMBERS", false, note)
groupInfo.members = groupInfo.members.filter(m => !rmMem.includes(m))
let p2 = revokeKey(groupID)
Promise.all([p1, p2])
.then(r => resolve(`Members removed: ${rmMem}`))
.catch(e => reject(e))
})
}
const revokeKey = rmMessenger.revokeKey = function (groupID) {
return new Promise((resolve, reject) => {
let groupInfo = _loaded.groups[groupID]
if (user.id !== groupInfo.admin)
return reject("Access denied: Admin only!")
let newKey = floCrypto.randString(16, false);
Promise.all(groupInfo.members.map(m => sendRaw(JSON.stringify({
newKey,
groupID
}), m, "REVOKE_KEY", true))).then(result => {
resolve("Group key revoked")
}).catch(error => reject(error))
})
}
rmMessenger.sendGroupMessage = function (message, groupID) {
return new Promise((resolve, reject) => {
let k = _loaded.groups[groupID].eKey
message = encrypt(message, k)
sendRaw(message, groupID, "GROUP_MSG", false)
.then(result => resolve(`${groupID}: ${message}`))
.catch(error => reject(error))
})
}
const disableGroup = rmMessenger.disableGroup = function (groupID) {
return new Promise((resolve, reject) => {
if (!_loaded.groups[groupID])
return reject("Group not found");
let groupInfo = Object.assign({}, _loaded.groups[groupID]);
if (groupInfo.disabled)
return resolve("Group already diabled");
groupInfo.disabled = true;
groupInfo.eKey = encrypt(groupInfo.eKey)
compactIDB.writeData("groups", groupInfo, groupID).then(result => {
floCloudAPI.closeRequest(groupConnID[groupID]);
delete groupConnID[groupID];
resolve("Group diabled");
}).catch(error => reject(error))
})
}
processData.group = function (groupID) {
return (unparsed, newInbox) => {
if (!_loaded.groups[groupID].members.includes(unparsed.senderID))
return;
//store the pubKey if not stored already
floDapps.storePubKey(unparsed.senderID, unparsed.pubKey)
let data = {
time: unparsed.time,
sender: unparsed.senderID,
groupID: unparsed.receiverID
}
let vc = unparsed.vectorClock,
k = _loaded.groups[groupID].eKey;
if (expiredKeys[groupID]) {
var ex = Object.keys(expiredKeys[groupID]).sort()
while (ex.length && vc > ex[0]) ex.shift()
if (ex.length)
k = expiredKeys[groupID][ex.shift()]
}
unparsed.message = decrypt(unparsed.message, k);
var infoChange = false;
if (unparsed.type === "GROUP_MSG")
data.message = encrypt(unparsed.message);
else if (data.sender === _loaded.groups[groupID].admin) {
let groupInfo = _loaded.groups[groupID]
data.admin = true;
switch (unparsed.type) {
case "ADD_MEMBERS": {
data.newMembers = unparsed.message.split("|")
data.note = unparsed.comment
groupInfo.members = Array.from(new Set(groupInfo.members.concat(data.newMembers)))
break;
}
case "UP_DESCRIPTION": {
data.description = unparsed.message;
groupInfo.description = data.description;
break;
}
case "RM_MEMBERS": {
data.rmMembers = unparsed.message.split("|")
data.note = unparsed.comment
groupInfo.members = groupInfo.members.filter(m => !data.rmMembers.includes(m))
if (data.rmMembers.includes(user.id)) {
disableGroup(groupID);
return;
}
break;
}
case "UP_NAME": {
data.name = unparsed.message
groupInfo.name = data.name;
break;
}
}
infoChange = true;
}
compactIDB.addData("messages", Object.assign({}, data), `${groupID}|${vc}`)
if (data.message)
data.message = decrypt(data.message);
newInbox.messages[vc] = data;
if (!floCrypto.isSameAddr(data.sender, user.id))
addMark(data.groupID, "unread");
return infoChange;
}
}
function requestGroupInbox(groupID, _async = true) {
if (groupConnID[groupID]) { //close existing request connection (if any)
floCloudAPI.closeRequest(groupConnID[groupID]);
delete groupConnID[groupID];
}
const parseData = processData.group(groupID);
let callbackFn = function (dataSet, error) {
if (error)
return console.error(error)
console.info(dataSet)
let newInbox = {
messages: {}
}
let infoChange = false;
for (let vc in dataSet) {
if (groupID !== dataSet[vc].receiverID)
continue;
try {
infoChange = parseData(dataSet[vc], newInbox) || infoChange;
if (!_loaded.appendix[`lastReceived_${groupID}`] ||
_loaded.appendix[`lastReceived_${groupID}`] < vc)
_loaded.appendix[`lastReceived_${groupID}`] = vc;
} catch (error) {
console.log(error)
}
}
compactIDB.writeData("appendix", _loaded.appendix[`lastReceived_${groupID}`], `lastReceived_${groupID}`);
if (infoChange) {
let newInfo = Object.assign({}, _loaded.groups[groupID]);
newInfo.eKey = encrypt(newInfo.eKey)
compactIDB.writeData("groups", newInfo, groupID)
}
console.debug(newInbox);
UI.group(newInbox);
}
let fn = floCloudAPI.requestApplicationData(null, {
receiverID: groupID,
lowerVectorClock: _loaded.appendix[`lastReceived_${groupID}`] + 1,
callback: callbackFn
});
if (_async) {
fn.then(conn_id => groupConnID[groupID] = conn_id)
.catch(error => console.error(`request-group(${groupID}):`, error))
} else {
return new Promise((resolve, reject) => {
fn.then(conn_id => {
groupConnID[groupID] = conn_id;
resolve(`Connected to group ${groupID}`);
}).catch(error => reject(error))
});
}
}
//rmMessenger startups
rmMessenger.init = function () {
return new Promise((resolve, reject) => {
initUserDB().then(result => {
console.debug(result);
loadDataFromIDB().then(data => {
console.debug(data);
//load data to memory
_loaded.appendix = data.appendix;
_loaded.groups = data.groups;
_loaded.pipeline = data.pipeline;
_loaded.chats = data.chats;
_loaded.marked = data.marked;
_loaded.blocked = new Set(Object.keys(data.blocked));
//call UI render functions
UI.chats(getChatOrder());
UI.mails(data.mails);
UI.marked(data.marked);
resolve('Loaded local data')
//request data from cloud
let promises = [];
promises.push(requestDirectInbox());
for (let g in data.groups)
if (data.groups[g].disabled !== true)
promises.push(requestGroupInbox(g, false));
for (let p in data.pipeline)
if (data.pipeline[p].disabled !== true)
promises.push(requestPipelineInbox(p, data.pipeline[p].model, false));
loadDataFromBlockchain().then(result => {
Promise.all(promises)
.then(result => resolve("Messenger initiated"))
.catch(error => reject(error))
}).catch(error => reject(error))
}).catch(error => reject(error));
})
})
}
const loadDataFromBlockchain = rmMessenger.loadDataFromBlockchain = function () {
return new Promise((resolve, reject) => {
let user_floID = floCrypto.toFloID(user.id);
if (!user_floID)
return reject("Not an valid address");
let last_key = `${floGlobals.application}|${user_floID}`;
compactIDB.readData("lastTx", last_key, floDapps.root).then(lastTx => {
var query_options = { pattern: floGlobals.application, tx: true };
if (typeof lastTx == 'number') //lastTx is tx count (*backward support)
query_options.ignoreOld = lastTx;
else if (typeof lastTx == 'string') //lastTx is txid of last tx
query_options.after = lastTx;
floBlockchainAPI.readData(user_floID, query_options).then(result => {
for (var i = result.items.length - 1; i >= 0; i--) {
let tx = result.items[i],
content = JSON.parse(tx.data)[floGlobals.application];
if (!(content instanceof Object))
continue;
let key = (content.type ? content.type + "|" : "") + tx.txid.substr(0, 16);
compactIDB.writeData("flodata", {
time: tx.time,
txid: tx.txid,
data: content
}, key);
}
compactIDB.writeData("lastTx", result.lastItem, last_key, floDapps.root);
resolve(true);
}).catch(error => reject(error))
}).catch(error => reject(error))
})
}
//BTC multisig application
const MultiSig = rmMessenger.multisig = {}
const TYPE_BTC_MULTISIG = "btc_multisig", //used for both pipeline and multisig address creation
TYPE_FLO_MULTISIG = "flo_multisig"; //only used for pipeline
MultiSig.createAddress = function (pubKeys, minRequired) {
return new Promise(async (resolve, reject) => {
let co_owners = pubKeys.map(p => floCrypto.getFloID(p));
if (co_owners.includes(null))
return reject("Invalid public key: " + pubKeys[co_owners.indexOf(null)]);
let privateKey = await floDapps.user.private;
let multisig = btcOperator.multiSigAddress(pubKeys, minRequired) //TODO: change to correct function
if (typeof multisig !== 'object')
return reject("Unable to create multisig address");
let content = {
type: TYPE_BTC_MULTISIG,
address: multisig.address, //TODO: maybe encrypt the address
redeemScript: multisig.redeemScript
};
console.debug(content.address, content.redeemScript);
debugger;
floBlockchainAPI.writeDataMultiple([privateKey], JSON.stringify({
[floGlobals.application]: content
}), co_owners).then(txid => {
console.info(txid);
let key = TYPE_BTC_MULTISIG + "|" + txid.substr(0, 16);
compactIDB.writeData("flodata", {
time: null, //time will be overwritten when confirmed on blockchain
txid: txid,
data: content
}, key);
resolve(multisig.address);
}).catch(error => reject(error))
})
}
MultiSig.listAddress = function () {
return new Promise((resolve, reject) => {
let options = {
lowerKey: `${TYPE_BTC_MULTISIG}|`,
upperKey: `${TYPE_BTC_MULTISIG}||`
}
compactIDB.searchData("flodata", options).then(result => {
let multsigs = {};
for (let i in result) {
let addr = result[i].data.address,
addr_type = btcOperator.validateAddress(addr);
let decode = (addr_type == "multisig" ?
coinjs.script().decodeRedeemScript : coinjs.script().decodeRedeemScriptBech32)
(result[i].data.redeemScript);
if (addr_type != "multisig" && addr_type != "multisigBech32")
console.warn("Invalid multi-sig address:", addr);
else if (!decode || decode.address !== addr)
console.warn("Invalid redeem-script:", addr);
else if (decode.type !== "multisig__")
console.warn("Redeem-script is not of a multisig:", addr);
else if (!decode.pubkeys.includes(user.public.toLowerCase()) && !decode.pubkeys.includes(user.public.toUpperCase()))
console.warn("User is not a part of this multisig:", addr);
else if (decode.pubkeys.length < decode.signaturesRequired)
console.warn("Invalid multisig (required is greater than users):", addr);
else
multsigs[addr] = {
redeemScript: decode.redeemscript,
pubKeys: decode.pubkeys,
minRequired: decode.signaturesRequired,
time: result[i].time,
txid: result[i].txid
}
}
resolve(multsigs);
}).catch(error => reject(error))
})
}
//create multisig tx for BTC
MultiSig.createTx_BTC = function (address, redeemScript, receivers, amounts, fee = null, options = {}) {
return new Promise(async (resolve, reject) => {
let addr_type = btcOperator.validateAddress(address);
if (addr_type != "multisig" && addr_type != "multisigBech32")
return reject("Sender address is not a multisig");
let decode = (addr_type == "multisig" ?
coinjs.script().decodeRedeemScript : coinjs.script().decodeRedeemScriptBech32)(redeemScript);
if (!decode || decode.address !== address || decode.type !== "multisig__")
return reject("Invalid redeem-script");
else if (!decode.pubkeys.includes(user.public.toLowerCase()) && !decode.pubkeys.includes(user.public.toUpperCase()))
return reject("User is not a part of this multisig");
else if (decode.pubkeys.length < decode.signaturesRequired)
return reject("Invalid multisig (required is greater than users)");
let co_owners = decode.pubkeys.map(p => floCrypto.getFloID(p));
let privateKey = await floDapps.user.private;
btcOperator.createMultiSigTx(address, redeemScript, receivers, amounts, fee, options).then(({ tx_hex }) => {
tx_hex = btcOperator.signTx(tx_hex, privateKey);
createPipeline(TYPE_BTC_MULTISIG, co_owners, 32, decode.pubkeys).then(pipeline => {
let message = encrypt(tx_hex, pipeline.eKey);
sendRaw(message, pipeline.id, "TRANSACTION", false)
.then(result => resolve(pipeline.id))
.catch(error => reject(error))
}).catch(error => reject(error))
}).catch(error => reject(error))
})
}
//sign multisig tx for BTC
MultiSig.signTx_BTC = function (pipeID) {
return new Promise((resolve, reject) => {
if (_loaded.pipeline[pipeID].model !== TYPE_BTC_MULTISIG)
return reject('Incorrect pipeline model. Only works for BTC-multisig');
if (_loaded.pipeline[pipeID].disabled)
return reject("Pipeline is already closed");
getChat(pipeID).then(async result => {
let pipeline = _loaded.pipeline[pipeID],
tx_hex_latest = Object.keys(result).sort().map(i => result[i].tx_hex).filter(x => x).pop();
let privateKey = await floDapps.user.private;
let tx_hex_signed = btcOperator.signTx(tx_hex_latest, privateKey);
let message = encrypt(tx_hex_signed, pipeline.eKey);
sendRaw(message, pipeline.id, "TRANSACTION", false).then(result => {
if (!btcOperator.checkSigned(tx_hex_signed))
return resolve({
tx_hex: tx_hex_signed
});
debugger;
btcOperator.broadcastTx(tx_hex_signed).then(txid => {
console.debug(txid);
sendRaw(encrypt(txid, pipeline.eKey), pipeline.id, "BROADCAST", false)
.then(result => resolve({
tx_hex: tx_hex_signed,
txid: txid
})).catch(error => reject(error))
}).catch(error => reject(error))
}).catch(error => reject(error))
}).catch(error => console.error(error))
})
}
//create multisig tx for FLO
MultiSig.createTx_FLO = function (address, redeemScript, receivers, amounts, floData = '', options = {}) {
return new Promise(async (resolve, reject) => {
if (!floCrypto.validateFloID(address)) { //not a flo multisig, but maybe btc multisig address
let addr_type = btcOperator.validateAddress(address);
if (addr_type != "multisig" && addr_type != "multisigBech32")
return reject("Sender address is not a multisig");
address = floCrypto.toMultisigFloID(address);
}
let decode = floCrypto.decodeRedeemScript(redeemScript);
if (!decode || decode.address !== address)
return reject("Invalid redeem-script");
else if (!decode.pubkeys.includes(user.public.toLowerCase()) && !decode.pubkeys.includes(user.public.toUpperCase()))
return reject("User is not a part of this multisig");
else if (decode.pubkeys.length < decode.required)
return reject("Invalid multisig (required is greater than users)");
let co_owners = decode.pubkeys.map(p => floCrypto.getFloID(p));
let privateKey = await floDapps.user.private;
floBlockchainAPI.createMultisigTx(redeemScript, receivers, amounts, floData).then(tx_hex => {
tx_hex = floBlockchainAPI.signTx(tx_hex, privateKey);
createPipeline(TYPE_FLO_MULTISIG, co_owners, 32, decode.pubkeys).then(pipeline => {
let message = encrypt(tx_hex, pipeline.eKey);
sendRaw(message, pipeline.id, "TRANSACTION", false)
.then(result => resolve(pipeline.id))
.catch(error => reject(error))
}).catch(error => reject(error))
}).catch(error => reject(error))
})
}
//sign multisig tx for FLO
MultiSig.signTx_FLO = function (pipeID) {
return new Promise((resolve, reject) => {
if (_loaded.pipeline[pipeID].model !== TYPE_FLO_MULTISIG)
return reject('Incorrect pipeline model. Only works for FLO-multisig');
if (_loaded.pipeline[pipeID].disabled)
return reject("Pipeline is already closed");
getChat(pipeID).then(async result => {
let pipeline = _loaded.pipeline[pipeID],
tx_hex_latest = Object.keys(result).sort().map(i => result[i].tx_hex).filter(x => x).pop();
let privateKey = await floDapps.user.private;
let tx_hex_signed = floBlockchainAPI.signTx(tx_hex_latest, privateKey);
let message = encrypt(tx_hex_signed, pipeline.eKey);
sendRaw(message, pipeline.id, "TRANSACTION", false).then(result => {
if (!floBlockchainAPI.checkSigned(tx_hex_signed))
return resolve({ tx_hex: tx_hex_signed });
debugger;
floBlockchainAPI.broadcastTx(tx_hex_signed).then(txid => {
console.debug(txid);
sendRaw(encrypt(txid, pipeline.eKey), pipeline.id, "BROADCAST", false)
.then(result => resolve({
tx_hex: tx_hex_signed,
txid: txid
})).catch(error => reject(error))
}).catch(error => reject(error))
}).catch(error => reject(error))
}).catch(error => console.error(error))
})
}
//Pipelines
const createPipeline = rmMessenger.createPipeline = function (model, members, ekeySize = 16, pubkeys = null) {
return new Promise((resolve, reject) => {
//optional pubkey parameter
if (pubkeys !== null) {
if (!Array.isArray(pubkeys))
return reject('pubkeys must be an array (if passed)');
else if (pubkeys.length !== members.length)
return reject('pubkey length doesnot match members length');
}
//validate members
let imem1 = [],
imem2 = []
members.forEach((m, i) => {
if (!floCrypto.validateAddr(m))
imem1.push(m);
else if (!(m in floGlobals.pubKeys) && !floCrypto.isSameAddr(user.id, m)) {
if (pubkeys !== null && floCrypto.verifyPubKey(pubkeys[i], m))
floGlobals.pubKeys[m] = pubkeys[i];
else
imem2.push(m);
}
});
if (imem1.length)
return reject(`Invalid Members(floIDs): ${imem1}`);
else if (imem2.length)
return reject(`Invalid Members (pubKey not available): ${imem2}`);
//create pipeline info
const id = floCrypto.tmpID;
let pipeline = {
id,
model,
members
}
if (ekeySize)
pipeline.eKey = floCrypto.randString(ekeySize);
//send pipeline info to members
let pipelineInfo = JSON.stringify(pipeline);
let promises = members.filter(m => !floCrypto.isSameAddr(m, user.id)).map(m => sendRaw(pipelineInfo, m, "CREATE_PIPELINE", true));
Promise.allSettled(promises).then(results => {
console.debug(results.filter(r => r.status === "rejected").map(r => r.reason));
_loaded.pipeline[pipeline.id] = Object.assign({}, pipeline);
if (pipeline.eKey)
pipeline.eKey = encrypt(pipeline.eKey);
compactIDB.addData("pipeline", pipeline, pipeline.id).then(result => {
requestPipelineInbox(pipeline.id, pipeline.model);
resolve(_loaded.pipeline[pipeline.id])
}).catch(error => reject(error))
})
})
}
function requestPipelineInbox(pipeID, model, _async = true) {
if (pipeConnID[pipeID]) { //close existing request connection (if any)
floCloudAPI.closeRequest(pipeConnID[pipeID]);
delete pipeConnID[pipeID];
}
let parseData = processData.pipeline[model](pipeID);
let callbackFn = function (dataSet, error) {
if (error)
return console.error(error);
console.info(dataSet)
let newInbox = {
messages: {}
}
for (let vc in dataSet) {
if (pipeID !== dataSet[vc].receiverID)
continue;
try {
parseData(dataSet[vc], newInbox);
if (!floCrypto.isSameAddr(dataSet[vc].senderID, user.id))
addMark(pipeID, "unread")
if (!_loaded.appendix[`lastReceived_${pipeID}`] ||
_loaded.appendix[`lastReceived_${pipeID}`] < vc)
_loaded.appendix[`lastReceived_${pipeID}`] = vc;
} catch (error) {
console.log(error)
}
}
compactIDB.writeData("appendix", _loaded.appendix[`lastReceived_${pipeID}`], `lastReceived_${pipeID}`);
console.debug(newInbox);
UI.pipeline(model, newInbox);
}
let fn = floCloudAPI.requestApplicationData(null, {
receiverID: pipeID,
lowerVectorClock: _loaded.appendix[`lastReceived_${pipeID}`] + 1,
callback: callbackFn
});
if (_async) {
fn.then(conn_id => pipeConnID[pipeID] = conn_id)
.catch(error => console.error(`request-pipeline(${pipeID}):`, error))
} else {
return new Promise((resolve, reject) => {
fn.then(conn_id => {
pipeConnID[pipeID] = conn_id;
resolve(`Connected to pipeline ${pipeID}`);
}).catch(error => reject(error))
});
}
}
const disablePipeline = rmMessenger.disablePipeline = function (pipeID) {
console.debug(JSON.stringify(pipeConnID), pipeConnID[pipeID])
return new Promise((resolve, reject) => {
if (!_loaded.pipeline[pipeID])
return reject("Pipeline not found");
if (_loaded.pipeline[pipeID].disabled)
return resolve("Pipeline already diabled");
_loaded.pipeline[pipeID].disabled = true;
let pipelineInfo = Object.assign({}, _loaded.pipeline[pipeID]);
pipelineInfo.eKey = encrypt(pipelineInfo.eKey)
compactIDB.writeData("pipeline", pipelineInfo, pipeID).then(result => {
floCloudAPI.closeRequest(pipeConnID[pipeID]);
delete pipeConnID[pipeID];
resolve("Pipeline diabled");
}).catch(error => reject(error))
})
}
rmMessenger.sendPipelineMessage = function (message, pipeID) {
return new Promise((resolve, reject) => {
let k = _loaded.pipeline[pipeID].eKey;
if (k) message = encrypt(message, k);
sendRaw(message, pipeID, "MESSAGE", false)
.then(result => resolve(`${pipeID}: ${message}`))
.catch(error => reject(error))
})
}
rmMessenger.editFee = function (tx_id, new_fee, private_keys, change_only = true) {
return new Promise(async (resolve, reject) => {
//1. FIND REDEEMSCRIPT
//2. CHANGE OUTPUT VALUES
//3. Call modified version of MultiSig.createTx_BTC_1 where the input taken is txhex rather than senders etc
//4. MultiSig.createTx_BTC_1 will in turn call btcOperator.createMultiSigTx_1(tx_hex). Check that Redeemscript information is present
var address;
if (!Array.isArray(private_keys))
private_keys = [private_keys];
try {
let tx, tx_parsed;
tx = await btcOperator.tx_fetch_for_editing(tx_id)
tx_parsed = await btcOperator.parseTransaction(tx)
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 = btcOperator.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 = btcOperator.util.BTC_to_Sat(new_fee) - inc_fee; //in satoshi
return reject(`Insufficient output values to increase fee. Maximum fee possible: ${btcOperator.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 = btcOperator.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
if (addr_decode == "bech32") { witness_position = witness_position + 1; } //bech32 has witness
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 if (addr_decode.type === 'multisigBech32') {
//redeemScript multisig (bech32)
address = addr;
var rs_array = [];
rs_array = btcOperator.extractLastHexStrings(tx.witness);
let redeemScript = rs_array[witness_position];
witness_position = witness_position + 1; //this permits mixing witness and non witness based inputs
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
let tx_hex = tx.serialize();
//Call MultiSig.createTx_BTC_editFee(tx.serialize());
let addr_type = btcOperator.validateAddress(address);
if (addr_type != "multisig" && addr_type != "multisigBech32")
return reject("Sender address is not a multisig");
let decode = (addr_type == "multisig" ?
coinjs.script().decodeRedeemScript : coinjs.script().decodeRedeemScriptBech32)(redeemScript);
if (!decode || decode.address !== address || decode.type !== "multisig__")
return reject("Invalid redeem-script");
else if (!decode.pubkeys.includes(user.public.toLowerCase()) && !decode.pubkeys.includes(user.public.toUpperCase()))
return reject("User is not a part of this multisig");
else if (decode.pubkeys.length < decode.signaturesRequired)
return reject("Invalid multisig (required is greater than users)");
let co_owners = decode.pubkeys.map(p => floCrypto.getFloID(p));
//let privateKey = await floDapps.user.private;
// let tx_hex = btcOperator.signTx_1(tx, privateKey);
createPipeline(TYPE_BTC_MULTISIG, co_owners, 32, decode.pubkeys).then(pipeline => {
let message = encrypt(tx_hex, pipeline.eKey);
sendRaw(message, pipeline.id, "TRANSACTION", false)
.then(result => resolve(pipeline.id))
.catch(error => reject(error)) //SENDRAW
}).catch(error => reject(error)) //CREATE PIPELINE
// resolve(tx.serialize()); //CHECK THIS -- NOT NEEDED
} catch (error) {
reject(error);
}
})
}
processData.pipeline = {};
//pipeline model for btc multisig
processData.pipeline[TYPE_BTC_MULTISIG] = function (pipeID) {
return (unparsed, newInbox) => {
if (!_loaded.pipeline[pipeID].members.includes(floCrypto.toFloID(unparsed.senderID)))
return;
let data = {
time: unparsed.time,
sender: unparsed.senderID,
pipeID: unparsed.receiverID
}
let vc = unparsed.vectorClock,
k = _loaded.pipeline[pipeID].eKey;
unparsed.message = decrypt(unparsed.message, k)
//store the pubKey if not stored already
floDapps.storePubKey(unparsed.senderID, unparsed.pubKey);
data.type = unparsed.type;
switch (unparsed.type) {
case "TRANSACTION": {
data.tx_hex = unparsed.message;
break;
}
case "BROADCAST": {
data.txid = unparsed.message;
//the following check is done on parallel (in background) instead of sync
btcOperator.getTx.hex(data.txid).then(tx_hex_final => {
getChat(pipeID).then(result => {
let tx_hex_inital = Object.keys(result).sort().map(i => result[i].tx_hex).filter(x => x).shift();
if (btcOperator.checkIfSameTx(tx_hex_inital, tx_hex_final))
disablePipeline(pipeID);
}).catch(error => console.error(error))
}).catch(error => console.error(error))
break;
}
case "MESSAGE": {
data.message = encrypt(unparsed.message);
break;
}
}
compactIDB.addData("messages", Object.assign({}, data), `${pipeID}|${vc}`);
if (data.message)
data.message = decrypt(data.message);
newInbox.messages[vc] = data;
}
}
//pipeline model for flo multisig
processData.pipeline[TYPE_FLO_MULTISIG] = function (pipeID) {
return (unparsed, newInbox) => {
if (!_loaded.pipeline[pipeID].members.includes(floCrypto.toFloID(unparsed.senderID)))
return;
let data = {
time: unparsed.time,
sender: unparsed.senderID,
pipeID: unparsed.receiverID
}
let vc = unparsed.vectorClock,
k = _loaded.pipeline[pipeID].eKey;
unparsed.message = decrypt(unparsed.message, k)
//store the pubKey if not stored already
floDapps.storePubKey(unparsed.senderID, unparsed.pubKey);
data.type = unparsed.type;
switch (unparsed.type) {
case "TRANSACTION": {
data.tx_hex = unparsed.message;
break;
}
case "BROADCAST": {
data.txid = unparsed.message;
//the following check is done on parallel (in background) instead of sync
getChat(pipeID).then(result => {
var tx_hex_list = Object.keys(result).sort().map(i => result[i].tx_hex).filter(x => x);
let tx_hex_inital = tx_hex_list[0],
tx_hex_final = tx_hex_list.pop();
if (floBlockchainAPI.checkIfSameTx(tx_hex_inital, tx_hex_final) &&
floBlockchainAPI.transactionID(tx_hex_final) == data.txid) //compare the txHex and txid
disablePipeline(pipeID);
}).catch(error => console.error(error))
break;
}
case "MESSAGE": {
data.message = encrypt(unparsed.message);
break;
}
}
compactIDB.addData("messages", Object.assign({}, data), `${pipeID}|${vc}`);
if (data.message)
data.message = decrypt(data.message);
newInbox.messages[vc] = data;
}
}
})();