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composer.js
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composer.js
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/*jslint node: true */
"use strict";
var crypto = require('crypto');
var async = require('async');
var db = require('./db.js');
var constants = require('./constants.js');
var objectHash = require('./object_hash.js');
var objectLength = require("./object_length.js");
var ecdsaSig = require('./signature.js');
var mutex = require('./mutex.js');
var _ = require('lodash');
var storage = require('./storage.js');
// var myWitnesses = require('./my_witnesses.js');
var parentComposer = require('./parent_composer.js');
var validation = require('./validation.js');
var conf = require('./conf.js');
var inputs = require('./inputs.js');
var device = require('./device.js');
var light = require('./light.js');
var hash_placeholder = "--------------------------------------------"; // 256 bits (32 bytes) base64: 44 bytes
var sig_placeholder = "----------------------------------------------------------------------------------------"; // 88 bytes
var hashnethelper = require('./hashnethelper.js');
var transationVersion = require('./constants').transationVersion;
var NRG_PRICE = 0;
var eventBus = require('./event_bus.js');
if(!NRG_PRICE) {
var tranNrgPrice = setInterval(async function () {
NRG_PRICE = await hashnethelper.getNRGPrice();
if(NRG_PRICE) {
eventBus.emit('nrgPrice',NRG_PRICE);
clearInterval(tranNrgPrice)
}
}, 10 * 1000);
}
var bGenesis = false;
exports.setGenesis = function (_bGenesis) { bGenesis = _bGenesis; };
function repeatString(str, times) {
if (str.repeat)
return str.repeat(times);
return (new Array(times + 1)).join(str);
}
function sortOutputs(a, b) {
var addr_comparison = a.address.localeCompare(b.address);
return addr_comparison ? addr_comparison : (a.amount - b.amount);
}
//发送交易到共识网并更新数据库，刷新界面
async function writeTran(params, handleResult) {
try{
let amount;
let amountP ;
let amountPoint ;
let amountstr ;
let feeInt ;
let feePoint ;
let note;
let feeTotal;
var isHot = params.name;
let zero = '000000000000000000';
NRG_PRICE = await hashnethelper.getNRGPrice();
if(!NRG_PRICE) return handleResult('unable to get nrgPrice');
/**
* 计算费用
* @param str
* @returns {string}
* 1 KByte = 10e9 atom
*/
// function getStrLeng(str){
// var realLength = 0;
// var len = str.length;
// var charCode = -1;
// for(var i = 0; i < len; i++){
// charCode = str.charCodeAt(i);
// if (charCode >= 0 && charCode <= 128) {
// realLength += 1;
// }else{
// // 如果是中文则长度加2
// realLength += 2;
// }
// }
// return ((realLength/1024*1000000000).toFixed(0))
// }
if (isHot =="isHot"){
let amountt = params.amount;
amount = parseInt(amountt.replace(/"/g,'').substring(-1,amountt.length-18) ? amountt.replace(/"/g,'').substring(-1,amountt.length-18) : 0);
amountPoint = parseInt(amountt.replace(/"/g,'').substring(amountt.length-18,amountt.length) ? amountt.replace(/"/g,'').substring(amountt.length-18,amountt.length) : 0) ;
}else {
amount = (params.amount + "").split('.')[0];
amountP = (params.amount + "").split('.')[1] ? (params.amount + "").split('.')[1] : '';
amountPoint = amountP+zero.substring(-1,zero.length-amountP.length);
amountstr = amount+amountP+zero.substring(-1,zero.length-amountP.length);
}
var obj;
var signature;
var deviceAddress = params.deviceAddress;
let Base64 = require('./base64Code');
note = params.note ? params.note: ''
let noteBase64 = params.note ? await Base64.encode(params.note) :'';
if (isHot != "isHot" && !params.goSendTran) {
var timestamp = Math.round(Date.now());
//isStable代表交易是否发送成功
//isValid代表交易是否在共识网验证通过
obj = { fromAddress: params.change_address, toAddress: params.to_address, amount: amountstr, timestamp, remark :noteBase64, vers:transationVersion};
var address = await params.findAddressForJoint(params.change_address);
obj.pubkey = address.definition[1].pubkey;
// obj.fee = objectLength.getTotalPayloadSize(obj) + "";
//obj.fee = "1000000000000000";
obj.type = 1;
obj.fee = noteBase64 ? ((noteBase64.length * 1.0 /1024) * constants.NRG_PEER_KBYTE + constants.BASE_NRG).toString(): constants.BASE_NRG.toString();
obj.nrgPrice = NRG_PRICE;
//TODO 测试 if (light.stable < obj.fee + obj.amount) {
let stablesFrom = await light.findStable3(obj.fromAddress);
/**
* 统计发送交易地址可用余额
*/
var Decimal = require('decimal.js');
//let stablesFrom = stable[0].amount + stable[0].amount_point / parseInt(1 + zero) - stable[0].fee - stable[0].fee_point / parseInt(1 + zero);
let stablesTo = new Decimal(params.amount).add(new Decimal(obj.fee*obj.nrgPrice / 1000000000000000000)).toFixed();
if (new Decimal(stablesFrom).comparedTo(stablesTo) < 0) {
//if (!compareStables ||(compareStables && stablesTo.substr(0,1) == "-")) {
return handleResult("not enough spendable funds from " + params.to_address + " for " + (parseInt(obj.fee) + parseInt(obj.amount)));
}
//获取签名的BUF
var buf_to_sign = objectHash.getUnitHashToSign(obj);
//获取签名的私钥
let Bitcore = require('bitcore-lib');
var xPrivKey = new Bitcore.HDPrivateKey.fromString(params.xPrivKey);
var path = "m/44'/0'/0'/0/0";
var privKeyBuf = xPrivKey.derive(path).privateKey.bn.toBuffer({size:32});
// var privKeyBuf = params.getLocalPrivateKey(params.xPrivKey);
//通过私钥进行签名
signature = ecdsaSig.sign(buf_to_sign, privKeyBuf);
} else if(!params.goSendTran){
obj = params;
note =params.note ? await Base64.decode(params.note) :'';
delete obj.name;
delete obj.md5;
delete obj.type;
delete obj.isSignHot;
// delete obj.walletType;
// delete obj.walletId;
// delete obj.address;
// delete obj.name;
// delete obj.image;
// delete obj.mnemonic;
// delete obj.mnemonicEncrypted;
obj.type = 1;
signature = params.signature;
}
if(params.signature) {
obj = params;
}
else obj.signature = signature;
obj.amount =obj.amount+"";
delete obj.goSendTran;
delete obj.getHash;
let amountt = obj.amount;
amount = parseInt(amountt.replace(/"/g,'').substring(-1,amountt.length-18) ? amountt.replace(/"/g,'').substring(-1,amountt.length-18) : 0);
amountPoint = parseInt(amountt.replace(/"/g,'').substring(amountt.length-18,amountt.length) ? amountt.replace(/"/g,'').substring(amountt.length-18,amountt.length) : 0) ;
feeTotal = noteBase64 ? ((noteBase64.length * 1.0 /1024) * constants.NRG_PEER_KBYTE+constants.BASE_NRG)*NRG_PRICE : constants.BASE_NRG*NRG_PRICE;
let fee = feeTotal+"";
feeInt = parseInt(fee.replace(/"/g,'').substring(-1,fee.length-18) ? fee.replace(/"/g,'').substring(-1,fee.length-18) : 0);
feePoint = parseInt(fee.replace(/"/g,'').substring(fee.length-18,fee.length) ? fee.replace(/"/g,'').substring(fee.length-18,fee.length) : 0);
if(params.getHash){
delete obj.findAddressForJoint;
handleResult(null,signature,obj);
return;
}
var network = require('./network.js');
//往共识网发送交易
let resultMessage = await network.sendTransaction(obj);
//通过签名获取ID(44位)
//obj.id = crypto.createHash("sha256").update(signature.substring(2), "utf8").digest("base64");
obj.id = signature ? signature : obj.signature;
if (resultMessage.code != 200) {
//如果发送失败，则马上返回到界面
return handleResult(resultMessage.data);
}
else {
//通过队列进行数据库更新
let result = resultMessage.data;
await mutex.lock(["write"], async function (unlock) {
try {
//更新数据库
await db.execute("INSERT INTO transactions (id,creation_date,amount,fee,addressFrom,addressTo,result,type,remark,amount_point,fee_point, multiHash) VALUES (?,?,?,?,?,?,?,?,?,?,?,?)",
obj.id, obj.timestamp, amount, feeInt, obj.fromAddress, obj.toAddress, "pending", params.sendType ? params.sendType : 0 ,note, amountPoint, feePoint,obj.order);
//更新列表
obj.isStable = 1;
obj.isValid = 0;
light.refreshTranList(obj);
if(deviceAddress) {
// let eventBus = require('./event_bus.js');
// eventBus.emit('chat_transfer_notification', deviceAddress , obj.id);
require("./device").setDeviceChatTran(obj.id,deviceAddress)
}
//返回到界面
// alert("交易完成个");
let res = obj;
handleResult(null,isHot == "isHot" ? res:obj,null);
}
catch (e) {
console.log(e.toString());
handleResult(e.toString());
}
finally {
//解锁队列
await unlock();
}
});
}
}catch (e) {
handleResult(e.toString());
}
}
/*
params.signing_addresses must sign the message but they do not necessarily pay
params.paying_addresses pay for byte outputs and commissions
*/
async function composeJointForJoint(params) {
// try to use as few paying_addresses as possible. Assuming paying_addresses are sorted such that the most well-funded addresses come first
if (params.minimal && !params.send_all) {
var callbacks = params.callbacks;
var arrCandidatePayingAddresses = params.paying_addresses;
var trySubset = function (count) {
if (count > constants.MAX_AUTHORS_PER_UNIT)
return callbacks.ifNotEnoughFunds("Too many authors. Consider splitting the payment into two units.");
var try_params = _.clone(params);
delete try_params.minimal;
try_params.paying_addresses = arrCandidatePayingAddresses.slice(0, count);
try_params.callbacks = {
ifOk: callbacks.ifOk,
ifError: callbacks.ifError,
ifNotEnoughFunds: function (error_message) {
if (count === arrCandidatePayingAddresses.length)
return callbacks.ifNotEnoughFunds(error_message);
trySubset(count + 1); // add one more paying address
}
};
composeJoint(try_params);
};
return trySubset(1);
}
var arrSigningAddresses = params.signing_addresses || [];
var arrPayingAddresses = params.paying_addresses || [];
var arrOutputs = params.outputs || [];
var arrMessages = _.clone(params.messages || []);
var assocPrivatePayloads = params.private_payloads || {}; // those that correspond to a subset of params.messages
var fnRetrieveMessages = params.retrieveMessages;
// var lightProps = params.lightProps;
var signer = params.signer;
var callbacks = params.callbacks;
// if (conf.bLight && !lightProps)
// throw Error("no parent props for light");
//profiler.start();
var arrChangeOutputs = arrOutputs.filter(function (output) { return (output.amount === 0); });
var arrExternalOutputs = arrOutputs.filter(function (output) { return (output.amount > 0); });
if (arrChangeOutputs.length > 1)
throw Error("more than one change output");
if (arrChangeOutputs.length === 0)
throw Error("no change outputs");
if (arrPayingAddresses.length === 0)
throw Error("no payers?");
var arrFromAddresses = _.union(arrSigningAddresses, arrPayingAddresses).sort();
var objPaymentMessage = {
app: "payment",
payload_location: "inline",
payload_hash: hash_placeholder,
payload: {
// first output is the change, it has 0 amount (placeholder) that we'll modify later.
// Then we'll sort outputs, so the change is not necessarity the first in the final transaction
outputs: arrChangeOutputs
// we'll add more outputs below
}
};
var total_amount = 0;
arrExternalOutputs.forEach(function (output) {
objPaymentMessage.payload.outputs.push(output);
total_amount += output.amount;
});
arrMessages.push(objPaymentMessage);
var bMultiAuthored = (arrFromAddresses.length > 1);
var objUnit = {
version: constants.version,
alt: constants.alt,
//timestamp: Date.now(),
messages: arrMessages,
authors: []
};
var objJoint = { unit: objUnit };
if (params.earned_headers_commission_recipients) // it needn't be already sorted by address, we'll sort it now
objUnit.earned_headers_commission_recipients = params.earned_headers_commission_recipients.concat().sort(function (a, b) {
return ((a.address < b.address) ? -1 : 1);
});
else if (bMultiAuthored) // by default, the entire earned hc goes to the change address
objUnit.earned_headers_commission_recipients = [{ address: arrChangeOutputs[0].address, earned_headers_commission_share: 100 }];
var total_input;
var last_ball_mci;
var assocSigningPaths = {};
var unlock_callback;
var conn;
var lightProps;
var handleError = function (err) {
//profiler.stop('compose');
unlock_callback();
if (typeof err === "object") {
if (err.error_code === "NOT_ENOUGH_FUNDS")
return callbacks.ifNotEnoughFunds(err.error);
throw Error("unknown error code in: " + JSON.stringify(err));
}
callbacks.ifError(err);
};
await async.series([
function (cb) { // lock
mutex.lock(arrFromAddresses.map(function (from_address) { return 'c-' + from_address; }), function (unlock) {
unlock_callback = unlock;
cb();
});
},
function (cb) { // start transaction
db.takeConnectionFromPool(function (new_conn) {
conn = new_conn;
conn.query("BEGIN", function () { cb(); });
});
},
function (cb) { // authors
async.eachSeries(arrFromAddresses, function (from_address, cb2) {
function setDefinition() {
signer.readDefinition(conn, from_address, function (err, arrDefinition) {
if (err)
return cb2(err);
objAuthor.definition = arrDefinition;
cb2();
});
}
var objAuthor = {
address: from_address,
authentifiers: {}
};
signer.readSigningPaths(conn, from_address, function (assocLengthsBySigningPaths) {
var arrSigningPaths = Object.keys(assocLengthsBySigningPaths);
assocSigningPaths[from_address] = arrSigningPaths;
for (var j = 0; j < arrSigningPaths.length; j++)
objAuthor.authentifiers[arrSigningPaths[j]] = repeatString("-", assocLengthsBySigningPaths[arrSigningPaths[j]]);
objUnit.authors.push(objAuthor);
return setDefinition();
});
}, cb);
},
// messages retrieved via callback
function (cb) {
if (!fnRetrieveMessages)
return cb();
console.log("will retrieve messages");
fnRetrieveMessages(conn, last_ball_mci, bMultiAuthored, arrPayingAddresses, function (err, arrMoreMessages, assocMorePrivatePayloads) {
console.log("fnRetrieveMessages callback: err code = " + (err ? err.error_code : ""));
if (err)
return cb((typeof err === "string") ? ("unable to add additional messages: " + err) : err);
Array.prototype.push.apply(objUnit.messages, arrMoreMessages);
if (assocMorePrivatePayloads && Object.keys(assocMorePrivatePayloads).length > 0)
for (var payload_hash in assocMorePrivatePayloads)
assocPrivatePayloads[payload_hash] = assocMorePrivatePayloads[payload_hash];
cb();
});
},
function (cb) { // input coins
objUnit.headers_commission = objectLength.getHeadersSize(objUnit);
var naked_payload_commission = objectLength.getTotalPayloadSize(objUnit); // without input coins
if (bGenesis) {
var issueInput = { type: "issue", serial_number: 1, amount: constants.TOTAL_WHITEBYTES };
if (objUnit.authors.length > 1) {
issueInput.address = arrWitnesses[0];
}
objPaymentMessage.payload.inputs = [issueInput];
objUnit.payload_commission = objectLength.getTotalPayloadSize(objUnit);
total_input = constants.TOTAL_WHITEBYTES;
return cb();
}
if (params.inputs) { // input coins already selected
if (!params.input_amount)
throw Error('inputs but no input_amount');
total_input = params.input_amount;
objPaymentMessage.payload.inputs = params.inputs;
objUnit.payload_commission = objectLength.getTotalPayloadSize(objUnit);
return cb();
}
// all inputs must appear before last_ball
var target_amount = params.send_all ? Infinity : (total_amount + objUnit.headers_commission + naked_payload_commission);
inputs.pickDivisibleCoinsForAmountForJoint(
conn, null, arrPayingAddresses, last_ball_mci, target_amount, bMultiAuthored, params.spend_unconfirmed || 'own',
function (arrInputsWithProofs, _total_input) {
if (!arrInputsWithProofs)
return cb({
error_code: "NOT_ENOUGH_FUNDS",
error: "not enough spendable funds from " + arrPayingAddresses + " for " + target_amount
});
total_input = _total_input;
objPaymentMessage.payload.inputs = arrInputsWithProofs.map(function (objInputWithProof) { return objInputWithProof.input; });
objUnit.payload_commission = objectLength.getTotalPayloadSize(objUnit);
console.log("inputs increased payload by", objUnit.payload_commission - naked_payload_commission);
cb();
}
);
}
], function (err) {
// we close the transaction and release the connection before signing as multisig signing may take very very long
// however we still keep c-ADDRESS lock to avoid creating accidental doublespends
conn.query(err ? "ROLLBACK" : "COMMIT", function () {
conn.release();
if (err)
return handleError(err);
// change, payload hash, signature, and unit hash
var change = total_input - total_amount - objUnit.headers_commission - objUnit.payload_commission;
if (change <= 0) {
if (!params.send_all)
throw Error("change=" + change + ", params=" + JSON.stringify(params));
return handleError({
error_code: "NOT_ENOUGH_FUNDS",
error: "not enough spendable funds from " + arrPayingAddresses + " for fees"
});
}
objPaymentMessage.payload.outputs[0].amount = change;
objPaymentMessage.payload.outputs.sort(sortOutputs);
objPaymentMessage.payload_hash = objectHash.getBase64Hash(objPaymentMessage.payload);
var text_to_sign = objectHash.getUnitHashToSign(objUnit);
async.each(
objUnit.authors,
function (author, cb2) {
var address = author.address;
async.each( // different keys sign in parallel (if multisig)
assocSigningPaths[address],
function (path, cb3) {
if (signer.sign) {
signer.sign(objUnit, assocPrivatePayloads, address, path, function (err, signature) {
if (err)
return cb3(err);
// it can't be accidentally confused with real signature as there are no [ and ] in base64 alphabet
if (signature === '[refused]')
return cb3('one of the cosigners refused to sign');
author.authentifiers[path] = signature;
cb3();
});
}
else {
signer.readPrivateKey(address, path, function (err, privKey) {
if (err)
return cb3(err);
author.authentifiers[path] = ecdsaSig.sign(text_to_sign, privKey);
cb3();
});
}
},
function (err) {
cb2(err);
}
);
},
async function (err) {
if (err)
return handleError(err);
let { walletId, pubKey } = await device.getInfo();
objUnit.unit = objectHash.getUnitHash(objUnit);
if (bGenesis)
objJoint.ball = objectHash.getBallHash(objUnit.unit);
console.log(require('util').inspect(objJoint, { depth: null }));
objJoint.unit.timestamp = Math.round(Date.now() / 1000); // light clients need timestamp
if (Object.keys(assocPrivatePayloads).length === 0)
assocPrivatePayloads = null;
//profiler.stop('compose');
await callbacks.ifOk(objJoint, assocPrivatePayloads, unlock_callback);
}
);
});
});
}
/*
params.signing_addresses must sign the message but they do not necessarily pay
params.paying_addresses pay for byte outputs and commissions
*/
function composeJoint(params) {
var arrWitnesses = params.witnesses;
if (!arrWitnesses) {
myWitnesses.readMyWitnesses(function (_arrWitnesses) {
params.witnesses = _arrWitnesses;
composeJoint(params);
});
return;
}
// try to use as few paying_addresses as possible. Assuming paying_addresses are sorted such that the most well-funded addresses come first
if (params.minimal && !params.send_all) {
var callbacks = params.callbacks;
var arrCandidatePayingAddresses = params.paying_addresses;
var trySubset = function (count) {
if (count > constants.MAX_AUTHORS_PER_UNIT)
return callbacks.ifNotEnoughFunds("Too many authors. Consider splitting the payment into two units.");
var try_params = _.clone(params);
delete try_params.minimal;
try_params.paying_addresses = arrCandidatePayingAddresses.slice(0, count);
try_params.callbacks = {
ifOk: callbacks.ifOk,
ifError: callbacks.ifError,
ifNotEnoughFunds: function (error_message) {
if (count === arrCandidatePayingAddresses.length)
return callbacks.ifNotEnoughFunds(error_message);
trySubset(count + 1); // add one more paying address
}
};
composeJoint(try_params);
};
return trySubset(1);
}
var arrSigningAddresses = params.signing_addresses || [];
var arrPayingAddresses = params.paying_addresses || [];
var arrOutputs = params.outputs || [];
var arrMessages = _.clone(params.messages || []);
var assocPrivatePayloads = params.private_payloads || {}; // those that correspond to a subset of params.messages
var fnRetrieveMessages = params.retrieveMessages;
// var lightProps = params.lightProps;
var signer = params.signer;
var callbacks = params.callbacks;
// if (conf.bLight && !lightProps)
// throw Error("no parent props for light");
//profiler.start();
var arrChangeOutputs = arrOutputs.filter(function (output) { return (output.amount === 0); });
var arrExternalOutputs = arrOutputs.filter(function (output) { return (output.amount > 0); });
if (arrChangeOutputs.length > 1)
throw Error("more than one change output");
if (arrChangeOutputs.length === 0)
throw Error("no change outputs");
if (arrPayingAddresses.length === 0)
throw Error("no payers?");
var arrFromAddresses = _.union(arrSigningAddresses, arrPayingAddresses).sort();
var objPaymentMessage = {
app: "payment",
payload_location: "inline",
payload_hash: hash_placeholder,
payload: {
// first output is the change, it has 0 amount (placeholder) that we'll modify later.
// Then we'll sort outputs, so the change is not necessarity the first in the final transaction
outputs: arrChangeOutputs
// we'll add more outputs below
}
};
var total_amount = 0;
arrExternalOutputs.forEach(function (output) {
objPaymentMessage.payload.outputs.push(output);
total_amount += output.amount;
});
arrMessages.push(objPaymentMessage);
var bMultiAuthored = (arrFromAddresses.length > 1);
var objUnit = {
version: constants.version,
alt: constants.alt,
//timestamp: Date.now(),
messages: arrMessages,
authors: []
};
var objJoint = { unit: objUnit };
if (params.earned_headers_commission_recipients) // it needn't be already sorted by address, we'll sort it now
objUnit.earned_headers_commission_recipients = params.earned_headers_commission_recipients.concat().sort(function (a, b) {
return ((a.address < b.address) ? -1 : 1);
});
else if (bMultiAuthored) // by default, the entire earned hc goes to the change address
objUnit.earned_headers_commission_recipients = [{ address: arrChangeOutputs[0].address, earned_headers_commission_share: 100 }];
var total_input;
var last_ball_mci;
var assocSigningPaths = {};
var unlock_callback;
var conn;
var lightProps;
var handleError = function (err) {
//profiler.stop('compose');
unlock_callback();
if (typeof err === "object") {
if (err.error_code === "NOT_ENOUGH_FUNDS")
return callbacks.ifNotEnoughFunds(err.error);
throw Error("unknown error code in: " + JSON.stringify(err));
}
callbacks.ifError(err);
};
async.series([
function (cb) { // lock
mutex.lock(arrFromAddresses.map(function (from_address) { return 'c-' + from_address; }), function (unlock) {
unlock_callback = unlock;
cb();
});
},
function (cb) { // lightProps
if (!conf.bLight)
return cb();
var network = require('./network.js');
network.requestFromLightVendor(
'light/get_parents_and_last_ball_and_witness_list_unit',
{ witnesses: arrWitnesses },
function (ws, request, response) {
if (response.error)
return handleError(response.error); // cb is not called
if (!response.parent_units || !response.last_stable_mc_ball || !response.last_stable_mc_ball_unit || typeof response.last_stable_mc_ball_mci !== 'number')
return handleError("invalid parents from light vendor"); // cb is not called
lightProps = response;
cb();
}
);
},
function (cb) { // start transaction
db.takeConnectionFromPool(function (new_conn) {
conn = new_conn;
conn.query("BEGIN", function () { cb(); });
});
},
function (cb) { // parent units
if (bGenesis)
return cb();
function checkForUnstablePredecessors() {
conn.query(
// is_stable=0 condition is redundant given that last_ball_mci is stable
"SELECT 1 FROM units CROSS JOIN unit_authors USING(unit) \n\
WHERE (main_chain_index>? OR main_chain_index IS NULL) AND address IN(?) AND definition_chash IS NOT NULL \n\
UNION \n\
SELECT 1 FROM units JOIN address_definition_changes USING(unit) \n\
WHERE (main_chain_index>? OR main_chain_index IS NULL) AND address IN(?) \n\
UNION \n\
SELECT 1 FROM units CROSS JOIN unit_authors USING(unit) \n\
WHERE (main_chain_index>? OR main_chain_index IS NULL) AND address IN(?) AND sequence!='good'",
[last_ball_mci, arrFromAddresses, last_ball_mci, arrFromAddresses, last_ball_mci, arrFromAddresses],
function (rows) {
if (rows.length > 0)
return cb("some definition changes or definitions or nonserials are not stable yet");
cb();
}
);
}
if (conf.bLight) {
objUnit.parent_units = lightProps.parent_units;
objUnit.last_ball = lightProps.last_stable_mc_ball;
objUnit.last_ball_unit = lightProps.last_stable_mc_ball_unit;
last_ball_mci = lightProps.last_stable_mc_ball_mci;
return checkForUnstablePredecessors();
}
parentComposer.pickParentUnitsAndLastBall(
conn,
arrWitnesses,
function (err, arrParentUnits, last_stable_mc_ball, last_stable_mc_ball_unit, last_stable_mc_ball_mci) {
if (err)
return cb("unable to find parents: " + err);
objUnit.parent_units = arrParentUnits;
objUnit.last_ball = last_stable_mc_ball;
objUnit.last_ball_unit = last_stable_mc_ball_unit;
last_ball_mci = last_stable_mc_ball_mci;
checkForUnstablePredecessors();
}
);
},
function (cb) { // authors
async.eachSeries(arrFromAddresses, function (from_address, cb2) {
function setDefinition() {
signer.readDefinition(conn, from_address, function (err, arrDefinition) {
if (err)
return cb2(err);
objAuthor.definition = arrDefinition;
cb2();
});
}
var objAuthor = {
address: from_address,
authentifiers: {}
};
signer.readSigningPaths(conn, from_address, function (assocLengthsBySigningPaths) {
var arrSigningPaths = Object.keys(assocLengthsBySigningPaths);
assocSigningPaths[from_address] = arrSigningPaths;
for (var j = 0; j < arrSigningPaths.length; j++)
objAuthor.authentifiers[arrSigningPaths[j]] = repeatString("-", assocLengthsBySigningPaths[arrSigningPaths[j]]);
objUnit.authors.push(objAuthor);
conn.query(
"SELECT 1 FROM unit_authors CROSS JOIN units USING(unit) \n\
WHERE address=? AND is_stable=1 AND sequence='good' AND main_chain_index<=? \n\
LIMIT 1",
[from_address, last_ball_mci],
function (rows) {
if (rows.length === 0) // first message from this address
return setDefinition();
// try to find last stable change of definition, then check if the definition was already disclosed
conn.query(
"SELECT definition \n\
FROM address_definition_changes CROSS JOIN units USING(unit) LEFT JOIN definitions USING(definition_chash) \n\
WHERE address=? AND is_stable=1 AND sequence='good' AND main_chain_index<=? \n\
ORDER BY level DESC LIMIT 1",
[from_address, last_ball_mci],
function (rows) {
if (rows.length === 0) // no definition changes at all
return cb2();
var row = rows[0];
row.definition ? cb2() : setDefinition(); // if definition not found in the db, add it into the json
}
);
}
);
});
}, cb);
},
function (cb) { // witnesses
if (bGenesis) {
objUnit.witnesses = arrWitnesses;
return cb();
}
if (conf.bLight) {
if (lightProps.witness_list_unit)
objUnit.witness_list_unit = lightProps.witness_list_unit;
else
objUnit.witnesses = arrWitnesses;
return cb();
}
// witness addresses must not have references
storage.determineIfWitnessAddressDefinitionsHaveReferences(conn, arrWitnesses, function (bWithReferences) {
if (bWithReferences)
return cb("some witnesses have references in their addresses");
storage.findWitnessListUnit(conn, arrWitnesses, last_ball_mci, function (witness_list_unit) {
if (witness_list_unit)
objUnit.witness_list_unit = witness_list_unit;
else
objUnit.witnesses = arrWitnesses;
cb();
});
});
},
// messages retrieved via callback
function (cb) {
if (!fnRetrieveMessages)
return cb();
console.log("will retrieve messages");
fnRetrieveMessages(conn, last_ball_mci, bMultiAuthored, arrPayingAddresses, function (err, arrMoreMessages, assocMorePrivatePayloads) {
console.log("fnRetrieveMessages callback: err code = " + (err ? err.error_code : ""));
if (err)
return cb((typeof err === "string") ? ("unable to add additional messages: " + err) : err);
Array.prototype.push.apply(objUnit.messages, arrMoreMessages);
if (assocMorePrivatePayloads && Object.keys(assocMorePrivatePayloads).length > 0)
for (var payload_hash in assocMorePrivatePayloads)
assocPrivatePayloads[payload_hash] = assocMorePrivatePayloads[payload_hash];
cb();
});
},
function (cb) { // input coins
objUnit.headers_commission = objectLength.getHeadersSize(objUnit);
var naked_payload_commission = objectLength.getTotalPayloadSize(objUnit); // without input coins
if (bGenesis) {
var issueInput = { type: "issue", serial_number: 1, amount: constants.TOTAL_WHITEBYTES };
if (objUnit.authors.length > 1) {
issueInput.address = arrWitnesses[0];
}
objPaymentMessage.payload.inputs = [issueInput];
objUnit.payload_commission = objectLength.getTotalPayloadSize(objUnit);
total_input = constants.TOTAL_WHITEBYTES;
return cb();
}
if (params.inputs) { // input coins already selected
if (!params.input_amount)
throw Error('inputs but no input_amount');
total_input = params.input_amount;
objPaymentMessage.payload.inputs = params.inputs;
objUnit.payload_commission = objectLength.getTotalPayloadSize(objUnit);
return cb();
}
// all inputs must appear before last_ball
var target_amount = params.send_all ? Infinity : (total_amount + objUnit.headers_commission + naked_payload_commission);
inputs.pickDivisibleCoinsForAmount(
conn, null, arrPayingAddresses, last_ball_mci, target_amount, bMultiAuthored, params.spend_unconfirmed || 'own',
function (arrInputsWithProofs, _total_input) {
if (!arrInputsWithProofs)
return cb({
error_code: "NOT_ENOUGH_FUNDS",
error: "not enough spendable funds from " + arrPayingAddresses + " for " + target_amount
});
total_input = _total_input;
objPaymentMessage.payload.inputs = arrInputsWithProofs.map(function (objInputWithProof) { return objInputWithProof.input; });
objUnit.payload_commission = objectLength.getTotalPayloadSize(objUnit);
console.log("inputs increased payload by", objUnit.payload_commission - naked_payload_commission);
cb();
}
);
}
], function (err) {
// we close the transaction and release the connection before signing as multisig signing may take very very long
// however we still keep c-ADDRESS lock to avoid creating accidental doublespends
conn.query(err ? "ROLLBACK" : "COMMIT", function () {
conn.release();
if (err)
return handleError(err);
// change, payload hash, signature, and unit hash
var change = total_input - total_amount - objUnit.headers_commission - objUnit.payload_commission;
if (change <= 0) {
if (!params.send_all)
throw Error("change=" + change + ", params=" + JSON.stringify(params));
return handleError({
error_code: "NOT_ENOUGH_FUNDS",
error: "not enough spendable funds from " + arrPayingAddresses + " for fees"
});
}
objPaymentMessage.payload.outputs[0].amount = change;
objPaymentMessage.payload.outputs.sort(sortOutputs);
objPaymentMessage.payload_hash = objectHash.getBase64Hash(objPaymentMessage.payload);
var text_to_sign = objectHash.getUnitHashToSign(objUnit);
async.each(
objUnit.authors,
function (author, cb2) {
var address = author.address;
async.each( // different keys sign in parallel (if multisig)
assocSigningPaths[address],
function (path, cb3) {
if (signer.sign) {
signer.sign(objUnit, assocPrivatePayloads, address, path, function (err, signature) {
if (err)
return cb3(err);
// it can't be accidentally confused with real signature as there are no [ and ] in base64 alphabet
if (signature === '[refused]')
return cb3('one of the cosigners refused to sign');
author.authentifiers[path] = signature;
cb3();
});
}
else {
signer.readPrivateKey(address, path, function (err, privKey) {
if (err)
return cb3(err);
author.authentifiers[path] = ecdsaSig.sign(text_to_sign, privKey);
cb3();
});
}
},
function (err) {
cb2(err);
}
);
},
function (err) {
if (err)
return handleError(err);
objUnit.unit = objectHash.getUnitHash(objUnit);
if (bGenesis)
objJoint.ball = objectHash.getBallHash(objUnit.unit);
console.log(require('util').inspect(objJoint, { depth: null }));
objJoint.unit.timestamp = Math.round(Date.now() / 1000); // light clients need timestamp
if (Object.keys(assocPrivatePayloads).length === 0)
assocPrivatePayloads = null;
//profiler.stop('compose');
callbacks.ifOk(objJoint, assocPrivatePayloads, unlock_callback);
}
);
});
});
}
function signMessage(from_address, message, signer, handleResult) {
var objAuthor = {
address: from_address,
authentifiers: {}
};
var objUnit = {
signed_message: message,
authors: [objAuthor]
};
var assocSigningPaths = {};
signer.readSigningPaths(db, from_address, function (assocLengthsBySigningPaths) {
var arrSigningPaths = Object.keys(assocLengthsBySigningPaths);
assocSigningPaths[from_address] = arrSigningPaths;
for (var j = 0; j < arrSigningPaths.length; j++)
objAuthor.authentifiers[arrSigningPaths[j]] = repeatString("-", assocLengthsBySigningPaths[arrSigningPaths[j]]);
signer.readDefinition(db, from_address, function (err, arrDefinition) {
if (err)
throw Error("signMessage: can't read definition: " + err);
objAuthor.definition = arrDefinition;
var text_to_sign = objectHash.getUnitHashToSign(objUnit);
async.each(
objUnit.authors,
function (author, cb2) {
var address = author.address;
async.each( // different keys sign in parallel (if multisig)
assocSigningPaths[address],
function (path, cb3) {
if (signer.sign) {
signer.sign(objUnit, {}, address, path, function (err, signature) {
if (err)
return cb3(err);
// it can't be accidentally confused with real signature as there are no [ and ] in base64 alphabet
if (signature === '[refused]')
return cb3('one of the cosigners refused to sign');
author.authentifiers[path] = signature;
cb3();
});
}
else {
signer.readPrivateKey(address, path, function (err, privKey) {
if (err)
return cb3(err);
author.authentifiers[path] = ecdsaSig.sign(text_to_sign, privKey);
cb3();
});
}
},
function (err) {
cb2(err);
}
);
},
function (err) {
if (err)
return handleResult(err);
console.log(require('util').inspect(objUnit, { depth: null }));
handleResult(null, objUnit);
}
);
});
});
}
var MAX_FEE = 20000;
function filterMostFundedAddresses(rows, estimated_amount) {
if (!estimated_amount)
return rows.map(function (row) { return row.address; });
var arrFundedAddresses = [];
var accumulated_amount = 0;
for (var i = 0; i < rows.length; i++) {
arrFundedAddresses.push(rows[i].address);
accumulated_amount += rows[i].total;
if (accumulated_amount > estimated_amount + MAX_FEE)
break;
}
return arrFundedAddresses;
}
function readSortedFundedAddresses(asset, arrAvailableAddresses, estimated_amount, spend_unconfirmed, handleFundedAddresses) {
if (arrAvailableAddresses.length === 0)
return handleFundedAddresses([]);
if (estimated_amount && typeof estimated_amount !== 'number')