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494 lines
16 KiB
494 lines
16 KiB
// Copyright (c) 2014-2018, MyMonero.com
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Original Author: Lucas Jones
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// Modified to remove jQuery dep and support modular inclusion of deps by Paul Shapiro (2016)
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// Modified to add RingCT support by luigi1111 (2017)
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//
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// v--- These should maybe be injected into a context and supplied to currencyConfig for future platforms
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const JSBigInt = require("./biginteger").BigInteger;
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const mnemonic = require("./mnemonic");
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const nettype_utils = require("./nettype");
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var cnUtil = function(currencyConfig)
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{
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const currency_amount_format_utils = require("../cryptonote_utils/money_format_utils")(currencyConfig)
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//
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this._CNCrypto = undefined; // undefined -> cause 'early' calls to CNCrypto to throw exception
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const ENVIRONMENT_IS_WEB = typeof window==="object";
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const ENVIRONMENT_IS_WORKER = typeof importScripts==="function";
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const ENVIRONMENT_IS_NODE = typeof process==="object" && process.browser !== true && typeof require==="function" && ENVIRONMENT_IS_WORKER == false; // we want this to be true for Electron but not for a WebView
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const ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;
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var _CNCrypto_template =
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{
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locateFile: function(filename, scriptDirectory)
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{
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if (currencyConfig["locateFile"]) {
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return currencyConfig["locateFile"](filename, scriptDirectory)
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}
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var this_scriptDirectory = scriptDirectory
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const lastChar = this_scriptDirectory.charAt(this_scriptDirectory.length - 1)
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if (lastChar == "/") {
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this_scriptDirectory = this_scriptDirectory.substring(0, this_scriptDirectory.length - 1) // remove trailing "/"
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}
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const scriptDirectory_pathComponents = this_scriptDirectory.split("/")
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const lastPathComponent = scriptDirectory_pathComponents[scriptDirectory_pathComponents.length - 1]
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var pathTo_cryptonoteUtilsDir; // add trailing slash to this
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if (lastPathComponent == "cryptonote_utils") { // typical node or electron-main process
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pathTo_cryptonoteUtilsDir = scriptDirectory_pathComponents.join("/") + "/"
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} else if (ENVIRONMENT_IS_WEB) { // this will still match on electron-renderer, so the path must be patched up…
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if (typeof __dirname !== undefined && __dirname !== "/") { // looks like node running in browser.. assuming Electron-renderer
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// have to check != "/" b/c webpack (I think) replaces __dirname
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pathTo_cryptonoteUtilsDir = "file://" + __dirname + "/" // prepending "file://" because it's going to try to stream it
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} else { // actual web browser
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pathTo_cryptonoteUtilsDir = this_scriptDirectory + "/mymonero_core_js/cryptonote_utils/" // this works for the MyMonero browser build, and is quite general, at least
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}
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} else {
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throw "Undefined pathTo_cryptonoteUtilsDir. Please pass locateFile() to cryptonote_utils init."
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}
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const fullPath = pathTo_cryptonoteUtilsDir + filename
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//
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return fullPath
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}
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}
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// if (ENVIRONMENT_IS_WEB && ENVIRONMENT_IS_NODE) { // that means it's probably electron-renderer
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// const fs = require("fs");
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// const path = require("path");
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// const filepath = path.normalize(path.join(__dirname, "MyMoneroCoreCpp.wasm"));
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// const wasmBinary = fs.readFileSync(filepath)
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// console.log("wasmBinary", wasmBinary)
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// _CNCrypto_template["wasmBinary"] = wasmBinary
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// }
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this._CNCrypto = undefined;
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var loaded_CNCrypto = this.loaded_CNCrypto = function()
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{ // CAUTION: calling this method blocks until _CNCrypto is loaded
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if (typeof this._CNCrypto === 'undefined' || !this._CNCrypto) {
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throw "You must call OnceModuleReady to wait for _CNCrypto to be ready"
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}
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return this._CNCrypto;
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}
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this.moduleReadyFns = [] // initial (gets set to undefined once Module ready)
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this.OnceModuleReady = function(fn)
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{
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if (this._CNCrypto == null) {
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if (typeof this.moduleReadyFns == 'undefined' || !this.moduleReadyFns) {
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throw "Expected moduleReadyFns"
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}
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this.moduleReadyFns.push(fn)
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} else {
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fn(Module)
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}
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}
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require("./MyMoneroCoreCpp")(_CNCrypto_template).then(function(thisModule)
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{
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this._CNCrypto = thisModule
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{
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for (let fn of this.moduleReadyFns) {
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fn(thisModule)
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}
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}
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this.moduleReadyFns = [] // flash/free
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});
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//
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function ret_val_boolstring_to_bool(boolstring)
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{
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if (typeof boolstring !== "string") {
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throw "ret_val_boolstring_to_bool expected string input"
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}
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if (boolstring === "true") {
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return true
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} else if (boolstring === "false") {
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return false
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}
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throw "ret_val_boolstring_to_bool given illegal input"
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}
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function api_safe_wordset_name(wordset_name)
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{
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return wordset_name.charAt(0).toUpperCase() + wordset_name.substr(1) // capitalizes first letter
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}
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//
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var config = {}; // shallow copy of initConfig
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for (var key in currencyConfig) {
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config[key] = currencyConfig[key];
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}
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// Generate a 256-bit / 64-char / 32-byte crypto random
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this.rand_32 = function() {
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return mnemonic.mn_random(256);
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};
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// Generate a 128-bit / 32-char / 16-byte crypto random
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this.rand_16 = function() {
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return mnemonic.mn_random(128);
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};
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// Generate a 64-bit / 16-char / 8-byte crypto random
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this.rand_8 = function() {
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return mnemonic.mn_random(64);
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};
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this.is_subaddress = function(addr, nettype) {
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const args =
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{
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address: addr,
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nettype_string: nettype_utils.nettype_to_API_string(nettype)
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};
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const args_str = JSON.stringify(args);
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const CNCrypto = loaded_CNCrypto();
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const ret_string = CNCrypto.is_subaddress(args_str);
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const ret = JSON.parse(ret_string);
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if (typeof ret.err_msg !== 'undefined' && ret.err_msg) {
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throw ret.err_msg // TODO: maybe return this somehow
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}
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return ret_val_boolstring_to_bool(ret.retVal);
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};
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this.is_integrated_address = function(addr, nettype) {
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const args =
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{
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address: addr,
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nettype_string: nettype_utils.nettype_to_API_string(nettype)
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};
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const args_str = JSON.stringify(args);
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const CNCrypto = loaded_CNCrypto();
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const ret_string = CNCrypto.is_integrated_address(args_str);
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const ret = JSON.parse(ret_string);
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if (typeof ret.err_msg !== 'undefined' && ret.err_msg) {
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throw ret.err_msg // TODO: maybe return this somehow
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}
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return ret_val_boolstring_to_bool(ret.retVal);
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};
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this.new_payment_id = function() {
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const args = {};
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const args_str = JSON.stringify(args);
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const CNCrypto = loaded_CNCrypto();
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const ret_string = CNCrypto.new_payment_id(args_str);
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const ret = JSON.parse(ret_string);
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if (typeof ret.err_msg !== 'undefined' && ret.err_msg) {
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throw ret.err_msg // TODO: maybe return this somehow
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}
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return ret.retVal;
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};
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this.new__int_addr_from_addr_and_short_pid = function(
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address,
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short_pid,
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nettype
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) {
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// throws
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if (!short_pid || short_pid.length != 16) {
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throw "expected valid short_pid";
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}
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const args =
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{
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address: address,
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short_pid: short_pid,
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nettype_string: nettype_utils.nettype_to_API_string(nettype)
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};
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const args_str = JSON.stringify(args);
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const CNCrypto = loaded_CNCrypto();
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const ret_string = CNCrypto.new_integrated_address(args_str);
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const ret = JSON.parse(ret_string);
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if (typeof ret.err_msg !== 'undefined' && ret.err_msg) {
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throw ret.err_msg // TODO: maybe return this somehow
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}
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return ret.retVal;
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};
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this.new_fake_address_for_rct_tx = function(nettype)
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{ // TODO: possibly support sending random_scalar from JS to emscripten to avoid emscripten random
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const args = { nettype_string: nettype_utils.nettype_to_API_string(nettype) };
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const args_str = JSON.stringify(args);
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const CNCrypto = loaded_CNCrypto();
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const ret_string = CNCrypto.new_fake_address_for_rct_tx(args_str);
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const ret = JSON.parse(ret_string);
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if (typeof ret.err_msg !== 'undefined' && ret.err_msg) {
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throw ret.err_msg // TODO: maybe return this somehow
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}
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return ret.retVal;
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};
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this.decode_address = function(address, nettype)
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{
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const args =
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{
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address: address,
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nettype_string: nettype_utils.nettype_to_API_string(nettype)
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};
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const args_str = JSON.stringify(args);
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const CNCrypto = loaded_CNCrypto();
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const ret_string = CNCrypto.decode_address(args_str);
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const ret = JSON.parse(ret_string);
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if (typeof ret.err_msg !== 'undefined' && ret.err_msg) {
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throw ret.err_msg // TODO: maybe return this somehow
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}
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return {
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spend: ret.pub_spendKey_string,
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view: ret.pub_viewKey_string,
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intPaymentId: ret.paymentID_string, // may be undefined
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isSubaddress: ret.isSubaddress
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}
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};
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this.newly_created_wallet = function(
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wordset_name,
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nettype
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) {
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const args =
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{
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wordset_name: api_safe_wordset_name(wordset_name),
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nettype_string: nettype_utils.nettype_to_API_string(nettype)
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};
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const args_str = JSON.stringify(args);
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const CNCrypto = loaded_CNCrypto();
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const ret_string = CNCrypto.newly_created_wallet(args_str);
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const ret = JSON.parse(ret_string);
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if (typeof ret.err_msg !== 'undefined' && ret.err_msg) {
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throw ret.err_msg // TODO: maybe return this somehow
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}
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return { // calling these out so as to provide a stable ret val interface
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mnemonic_string: ret.mnemonic_string,
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sec_seed_string: ret.sec_seed_string,
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address_string: ret.address_string,
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pub_viewKey_string: ret.pub_viewKey_string,
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sec_viewKey_string: ret.sec_viewKey_string,
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pub_spendKey_string: ret.pub_spendKey_string,
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sec_spendKey_string: ret.sec_spendKey_string
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};
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};
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this.are_equal_mnemonics = function(a, b) {
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const args =
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{
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a: a,
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b: b
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};
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const args_str = JSON.stringify(args);
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const CNCrypto = loaded_CNCrypto();
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const ret_string = CNCrypto.are_equal_mnemonics(args_str);
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const ret = JSON.parse(ret_string);
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if (typeof ret.err_msg !== 'undefined' && ret.err_msg) {
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throw ret.err_msg // TODO: maybe return this somehow
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}
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return ret_val_boolstring_to_bool(ret.retVal);
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}
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this.mnemonic_from_seed = function(
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seed_string,
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wordset_name
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) {
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const args =
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{
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seed_string: seed_string,
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wordset_name: api_safe_wordset_name(wordset_name)
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};
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const args_str = JSON.stringify(args);
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const CNCrypto = loaded_CNCrypto();
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const ret_string = CNCrypto.mnemonic_from_seed(args_str);
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const ret = JSON.parse(ret_string);
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if (typeof ret.err_msg !== 'undefined' && ret.err_msg) {
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throw ret.err_msg // TODO: maybe return this somehow
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}
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return ret.retVal;
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};
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this.seed_and_keys_from_mnemonic = function(
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mnemonic_string,
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wordset_name
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) {
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const args =
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{
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mnemonic_string: mnemonic_string,
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wordset_name: api_safe_wordset_name(wordset_name)
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};
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const args_str = JSON.stringify(args);
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const CNCrypto = loaded_CNCrypto();
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const ret_string = CNCrypto.seed_and_keys_from_mnemonic(args_str);
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const ret = JSON.parse(ret_string);
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if (typeof ret.err_msg !== 'undefined' && ret.err_msg) {
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throw ret.err_msg // TODO: maybe return this somehow
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}
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return { // calling these out so as to provide a stable ret val interface
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sec_seed_string: ret.sec_seed_string,
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address_string: ret.address_string,
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pub_viewKey_string: ret.pub_viewKey_string,
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sec_viewKey_string: ret.sec_viewKey_string,
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pub_spendKey_string: ret.pub_spendKey_string,
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sec_spendKey_string: ret.sec_spendKey_string
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};
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};
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this.validate_components_for_login = function(
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address_string,
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sec_viewKey_string,
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sec_spendKey_string,
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seed_string,
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nettype
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) {
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const args =
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{
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address_string: address_string,
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sec_viewKey_string: sec_viewKey_string,
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sec_spendKey_string: sec_spendKey_string,
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seed_string: seed_string,
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nettype_string: nettype_utils.nettype_to_API_string(nettype)
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};
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const args_str = JSON.stringify(args);
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const CNCrypto = loaded_CNCrypto();
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const ret_string = CNCrypto.validate_components_for_login(args_str);
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const ret = JSON.parse(ret_string);
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if (typeof ret.err_msg !== 'undefined' && ret.err_msg) {
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throw ret.err_msg // TODO: maybe return this somehow
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}
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return { // calling these out so as to provide a stable ret val interface
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isValid: ret_val_boolstring_to_bool(ret.isValid),
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isInViewOnlyMode: ret_val_boolstring_to_bool(ret.isInViewOnlyMode),
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pub_viewKey_string: ret.pub_viewKey_string,
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pub_spendKey_string: ret.pub_spendKey_string
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};
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};
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this.generate_key_image = function(
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tx_pub,
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view_sec,
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spend_pub,
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spend_sec,
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output_index
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) {
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if (tx_pub.length !== 64) {
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throw "Invalid tx_pub length";
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}
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if (view_sec.length !== 64) {
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throw "Invalid view_sec length";
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}
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if (spend_pub.length !== 64) {
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throw "Invalid spend_pub length";
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}
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if (spend_sec.length !== 64) {
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throw "Invalid spend_sec length";
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}
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const args =
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{
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sec_viewKey_string: view_sec,
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sec_spendKey_string: spend_sec,
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pub_spendKey_string: spend_pub,
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tx_pub_key: tx_pub,
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out_index: "" + output_index
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};
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const args_str = JSON.stringify(args);
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const CNCrypto = loaded_CNCrypto();
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const ret_string = CNCrypto.generate_key_image(args_str);
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const ret = JSON.parse(ret_string);
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if (typeof ret.err_msg !== 'undefined' && ret.err_msg) {
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throw ret.err_msg // TODO: maybe return this somehow
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}
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return ret.retVal;
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};
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this.create_signed_transaction__IPCsafe = function(
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pub_keys,
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sec_keys,
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serialized__dsts, // amounts are strings
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outputs,
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mix_outs,
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fake_outputs_count,
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serialized__fee_amount, // string amount
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payment_id,
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pid_encrypt,
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realDestViewKey,
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unlock_time,
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rct,
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nettype,
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) {
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const dsts = serialized__dsts.map(function(i) {
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i.amount = new JSBigInt(i.amount)
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return i
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})
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return this.create_signed_transaction(
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pub_keys,
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sec_keys,
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dsts,
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outputs,
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mix_outs,
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fake_outputs_count,
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new JSBigInt(serialized__fee_amount),
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payment_id,
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pid_encrypt,
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realDestViewKey,
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unlock_time,
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rct,
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nettype,
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);
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}
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this.create_signed_transaction = function(
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pub_keys,
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sec_keys,
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dsts,
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outputs,
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mix_outs,
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fake_outputs_count,
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fee_amount,
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payment_id,
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pid_encrypt,
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realDestViewKey,
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unlock_time,
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rct,
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nettype,
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) {
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unlock_time = unlock_time || 0;
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mix_outs = mix_outs || [];
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if (dsts.length === 0) {
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throw "Destinations empty";
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}
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if (mix_outs.length !== outputs.length && fake_outputs_count !== 0) {
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throw "Wrong number of mix outs provided (" +
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outputs.length +
|
|
" outputs, " +
|
|
mix_outs.length +
|
|
" mix outs)";
|
|
}
|
|
for (i = 0; i < mix_outs.length; i++) {
|
|
if ((mix_outs[i].outputs || []).length < fake_outputs_count) {
|
|
throw "Not enough outputs to mix with";
|
|
}
|
|
}
|
|
};
|
|
|
|
function assert(stmt, val) {
|
|
if (!stmt) {
|
|
throw "assert failed" + (val !== undefined ? ": " + val : "");
|
|
}
|
|
}
|
|
|
|
return this;
|
|
};
|
|
exports.cnUtil = cnUtil;
|