lnsocket

A minimal C library for connecting to the lightning network
git clone git://jb55.com/lnsocket
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commit 32c0826e7af0d61cecde11e92060ce7e4bc7c720
parent ff6cad43eddecbd48a87a4f05a02eeb25912a37a
Author: William Casarin <jb55@jb55.com>
Date:   Tue,  8 Mar 2022 19:53:22 -0800

commit js build

for covenience for now

Diffstat:
Alnsocket.js | 2078+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Alnsocket_module.wasm | 0
2 files changed, 2078 insertions(+), 0 deletions(-)

diff --git a/lnsocket.js b/lnsocket.js @@ -0,0 +1,2078 @@ + +var Module = (function() { + var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined; + + return ( +function(Module) { + Module = Module || {}; + + + +// The Module object: Our interface to the outside world. We import +// and export values on it. There are various ways Module can be used: +// 1. Not defined. We create it here +// 2. A function parameter, function(Module) { ..generated code.. } +// 3. pre-run appended it, var Module = {}; ..generated code.. +// 4. External script tag defines var Module. +// We need to check if Module already exists (e.g. case 3 above). +// Substitution will be replaced with actual code on later stage of the build, +// this way Closure Compiler will not mangle it (e.g. case 4. above). +// Note that if you want to run closure, and also to use Module +// after the generated code, you will need to define var Module = {}; +// before the code. Then that object will be used in the code, and you +// can continue to use Module afterwards as well. +var Module = typeof Module !== 'undefined' ? Module : {}; + +// Set up the promise that indicates the Module is initialized +var readyPromiseResolve, readyPromiseReject; +Module['ready'] = new Promise(function(resolve, reject) { + readyPromiseResolve = resolve; + readyPromiseReject = reject; +}); + +// --pre-jses are emitted after the Module integration code, so that they can +// refer to Module (if they choose; they can also define Module) +Module.getRandomValue = (function() { + const window_ = "object" === typeof window ? window : self + const crypto_ = typeof window_.crypto !== "undefined" ? window_.crypto : window_.msCrypto; + + function randomValuesStandard() { + var buf = new Uint32Array(1); + crypto_.getRandomValues(buf); + return buf[0] >>> 0; + }; + + return randomValuesStandard +})() + + + +// Sometimes an existing Module object exists with properties +// meant to overwrite the default module functionality. Here +// we collect those properties and reapply _after_ we configure +// the current environment's defaults to avoid having to be so +// defensive during initialization. +var moduleOverrides = {}; +var key; +for (key in Module) { + if (Module.hasOwnProperty(key)) { + moduleOverrides[key] = Module[key]; + } +} + +var arguments_ = []; +var thisProgram = './this.program'; +var quit_ = function(status, toThrow) { + throw toThrow; +}; + +// Determine the runtime environment we are in. You can customize this by +// setting the ENVIRONMENT setting at compile time (see settings.js). + +var ENVIRONMENT_IS_WEB = true; +var ENVIRONMENT_IS_WORKER = false; +var ENVIRONMENT_IS_NODE = false; +var ENVIRONMENT_IS_SHELL = false; + +// `/` should be present at the end if `scriptDirectory` is not empty +var scriptDirectory = ''; +function locateFile(path) { + if (Module['locateFile']) { + return Module['locateFile'](path, scriptDirectory); + } + return scriptDirectory + path; +} + +// Hooks that are implemented differently in different runtime environments. +var read_, + readAsync, + readBinary, + setWindowTitle; + +// Note that this includes Node.js workers when relevant (pthreads is enabled). +// Node.js workers are detected as a combination of ENVIRONMENT_IS_WORKER and +// ENVIRONMENT_IS_NODE. +if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) { + if (ENVIRONMENT_IS_WORKER) { // Check worker, not web, since window could be polyfilled + scriptDirectory = self.location.href; + } else if (typeof document !== 'undefined' && document.currentScript) { // web + scriptDirectory = document.currentScript.src; + } + // When MODULARIZE, this JS may be executed later, after document.currentScript + // is gone, so we saved it, and we use it here instead of any other info. + if (_scriptDir) { + scriptDirectory = _scriptDir; + } + // blob urls look like blob:http://site.com/etc/etc and we cannot infer anything from them. + // otherwise, slice off the final part of the url to find the script directory. + // if scriptDirectory does not contain a slash, lastIndexOf will return -1, + // and scriptDirectory will correctly be replaced with an empty string. + if (scriptDirectory.indexOf('blob:') !== 0) { + scriptDirectory = scriptDirectory.substr(0, scriptDirectory.lastIndexOf('/')+1); + } else { + scriptDirectory = ''; + } + + // Differentiate the Web Worker from the Node Worker case, as reading must + // be done differently. + { + +// include: web_or_worker_shell_read.js + + + read_ = function(url) { + var xhr = new XMLHttpRequest(); + xhr.open('GET', url, false); + xhr.send(null); + return xhr.responseText; + }; + + if (ENVIRONMENT_IS_WORKER) { + readBinary = function(url) { + var xhr = new XMLHttpRequest(); + xhr.open('GET', url, false); + xhr.responseType = 'arraybuffer'; + xhr.send(null); + return new Uint8Array(/** @type{!ArrayBuffer} */(xhr.response)); + }; + } + + readAsync = function(url, onload, onerror) { + var xhr = new XMLHttpRequest(); + xhr.open('GET', url, true); + xhr.responseType = 'arraybuffer'; + xhr.onload = function() { + if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0 + onload(xhr.response); + return; + } + onerror(); + }; + xhr.onerror = onerror; + xhr.send(null); + }; + +// end include: web_or_worker_shell_read.js + } + + setWindowTitle = function(title) { document.title = title }; +} else +{ +} + +// Set up the out() and err() hooks, which are how we can print to stdout or +// stderr, respectively. +var out = Module['print'] || console.log.bind(console); +var err = Module['printErr'] || console.warn.bind(console); + +// Merge back in the overrides +for (key in moduleOverrides) { + if (moduleOverrides.hasOwnProperty(key)) { + Module[key] = moduleOverrides[key]; + } +} +// Free the object hierarchy contained in the overrides, this lets the GC +// reclaim data used e.g. in memoryInitializerRequest, which is a large typed array. +moduleOverrides = null; + +// Emit code to handle expected values on the Module object. This applies Module.x +// to the proper local x. This has two benefits: first, we only emit it if it is +// expected to arrive, and second, by using a local everywhere else that can be +// minified. + +if (Module['arguments']) arguments_ = Module['arguments']; + +if (Module['thisProgram']) thisProgram = Module['thisProgram']; + +if (Module['quit']) quit_ = Module['quit']; + +// perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message + + + + +var STACK_ALIGN = 16; + +function getNativeTypeSize(type) { + switch (type) { + case 'i1': case 'i8': return 1; + case 'i16': return 2; + case 'i32': return 4; + case 'i64': return 8; + case 'float': return 4; + case 'double': return 8; + default: { + if (type[type.length-1] === '*') { + return 4; // A pointer + } else if (type[0] === 'i') { + var bits = Number(type.substr(1)); + assert(bits % 8 === 0, 'getNativeTypeSize invalid bits ' + bits + ', type ' + type); + return bits / 8; + } else { + return 0; + } + } + } +} + +function warnOnce(text) { + if (!warnOnce.shown) warnOnce.shown = {}; + if (!warnOnce.shown[text]) { + warnOnce.shown[text] = 1; + err(text); + } +} + +// include: runtime_functions.js + + +// Wraps a JS function as a wasm function with a given signature. +function convertJsFunctionToWasm(func, sig) { + + // If the type reflection proposal is available, use the new + // "WebAssembly.Function" constructor. + // Otherwise, construct a minimal wasm module importing the JS function and + // re-exporting it. + if (typeof WebAssembly.Function === "function") { + var typeNames = { + 'i': 'i32', + 'j': 'i64', + 'f': 'f32', + 'd': 'f64' + }; + var type = { + parameters: [], + results: sig[0] == 'v' ? [] : [typeNames[sig[0]]] + }; + for (var i = 1; i < sig.length; ++i) { + type.parameters.push(typeNames[sig[i]]); + } + return new WebAssembly.Function(type, func); + } + + // The module is static, with the exception of the type section, which is + // generated based on the signature passed in. + var typeSection = [ + 0x01, // id: section, + 0x00, // length: 0 (placeholder) + 0x01, // count: 1 + 0x60, // form: func + ]; + var sigRet = sig.slice(0, 1); + var sigParam = sig.slice(1); + var typeCodes = { + 'i': 0x7f, // i32 + 'j': 0x7e, // i64 + 'f': 0x7d, // f32 + 'd': 0x7c, // f64 + }; + + // Parameters, length + signatures + typeSection.push(sigParam.length); + for (var i = 0; i < sigParam.length; ++i) { + typeSection.push(typeCodes[sigParam[i]]); + } + + // Return values, length + signatures + // With no multi-return in MVP, either 0 (void) or 1 (anything else) + if (sigRet == 'v') { + typeSection.push(0x00); + } else { + typeSection = typeSection.concat([0x01, typeCodes[sigRet]]); + } + + // Write the overall length of the type section back into the section header + // (excepting the 2 bytes for the section id and length) + typeSection[1] = typeSection.length - 2; + + // Rest of the module is static + var bytes = new Uint8Array([ + 0x00, 0x61, 0x73, 0x6d, // magic ("\0asm") + 0x01, 0x00, 0x00, 0x00, // version: 1 + ].concat(typeSection, [ + 0x02, 0x07, // import section + // (import "e" "f" (func 0 (type 0))) + 0x01, 0x01, 0x65, 0x01, 0x66, 0x00, 0x00, + 0x07, 0x05, // export section + // (export "f" (func 0 (type 0))) + 0x01, 0x01, 0x66, 0x00, 0x00, + ])); + + // We can compile this wasm module synchronously because it is very small. + // This accepts an import (at "e.f"), that it reroutes to an export (at "f") + var module = new WebAssembly.Module(bytes); + var instance = new WebAssembly.Instance(module, { + 'e': { + 'f': func + } + }); + var wrappedFunc = instance.exports['f']; + return wrappedFunc; +} + +var freeTableIndexes = []; + +// Weak map of functions in the table to their indexes, created on first use. +var functionsInTableMap; + +function getEmptyTableSlot() { + // Reuse a free index if there is one, otherwise grow. + if (freeTableIndexes.length) { + return freeTableIndexes.pop(); + } + // Grow the table + try { + wasmTable.grow(1); + } catch (err) { + if (!(err instanceof RangeError)) { + throw err; + } + throw 'Unable to grow wasm table. Set ALLOW_TABLE_GROWTH.'; + } + return wasmTable.length - 1; +} + +// Add a wasm function to the table. +function addFunctionWasm(func, sig) { + // Check if the function is already in the table, to ensure each function + // gets a unique index. First, create the map if this is the first use. + if (!functionsInTableMap) { + functionsInTableMap = new WeakMap(); + for (var i = 0; i < wasmTable.length; i++) { + var item = wasmTable.get(i); + // Ignore null values. + if (item) { + functionsInTableMap.set(item, i); + } + } + } + if (functionsInTableMap.has(func)) { + return functionsInTableMap.get(func); + } + + // It's not in the table, add it now. + + var ret = getEmptyTableSlot(); + + // Set the new value. + try { + // Attempting to call this with JS function will cause of table.set() to fail + wasmTable.set(ret, func); + } catch (err) { + if (!(err instanceof TypeError)) { + throw err; + } + var wrapped = convertJsFunctionToWasm(func, sig); + wasmTable.set(ret, wrapped); + } + + functionsInTableMap.set(func, ret); + + return ret; +} + +function removeFunction(index) { + functionsInTableMap.delete(wasmTable.get(index)); + freeTableIndexes.push(index); +} + +// 'sig' parameter is required for the llvm backend but only when func is not +// already a WebAssembly function. +function addFunction(func, sig) { + + return addFunctionWasm(func, sig); +} + +// end include: runtime_functions.js +// include: runtime_debug.js + + +// end include: runtime_debug.js +var tempRet0 = 0; + +var setTempRet0 = function(value) { + tempRet0 = value; +}; + +var getTempRet0 = function() { + return tempRet0; +}; + + + +// === Preamble library stuff === + +// Documentation for the public APIs defined in this file must be updated in: +// site/source/docs/api_reference/preamble.js.rst +// A prebuilt local version of the documentation is available at: +// site/build/text/docs/api_reference/preamble.js.txt +// You can also build docs locally as HTML or other formats in site/ +// An online HTML version (which may be of a different version of Emscripten) +// is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html + +var wasmBinary; +if (Module['wasmBinary']) wasmBinary = Module['wasmBinary']; +var noExitRuntime = Module['noExitRuntime'] || true; + +if (typeof WebAssembly !== 'object') { + abort('no native wasm support detected'); +} + +// include: runtime_safe_heap.js + + +// In MINIMAL_RUNTIME, setValue() and getValue() are only available when building with safe heap enabled, for heap safety checking. +// In traditional runtime, setValue() and getValue() are always available (although their use is highly discouraged due to perf penalties) + +/** @param {number} ptr + @param {number} value + @param {string} type + @param {number|boolean=} noSafe */ +function setValue(ptr, value, type, noSafe) { + type = type || 'i8'; + if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit + switch (type) { + case 'i1': HEAP8[((ptr)>>0)] = value; break; + case 'i8': HEAP8[((ptr)>>0)] = value; break; + case 'i16': HEAP16[((ptr)>>1)] = value; break; + case 'i32': HEAP32[((ptr)>>2)] = value; break; + case 'i64': (tempI64 = [value>>>0,(tempDouble=value,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[((ptr)>>2)] = tempI64[0],HEAP32[(((ptr)+(4))>>2)] = tempI64[1]); break; + case 'float': HEAPF32[((ptr)>>2)] = value; break; + case 'double': HEAPF64[((ptr)>>3)] = value; break; + default: abort('invalid type for setValue: ' + type); + } +} + +/** @param {number} ptr + @param {string} type + @param {number|boolean=} noSafe */ +function getValue(ptr, type, noSafe) { + type = type || 'i8'; + if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit + switch (type) { + case 'i1': return HEAP8[((ptr)>>0)]; + case 'i8': return HEAP8[((ptr)>>0)]; + case 'i16': return HEAP16[((ptr)>>1)]; + case 'i32': return HEAP32[((ptr)>>2)]; + case 'i64': return HEAP32[((ptr)>>2)]; + case 'float': return HEAPF32[((ptr)>>2)]; + case 'double': return HEAPF64[((ptr)>>3)]; + default: abort('invalid type for getValue: ' + type); + } + return null; +} + +// end include: runtime_safe_heap.js +// Wasm globals + +var wasmMemory; + +//======================================== +// Runtime essentials +//======================================== + +// whether we are quitting the application. no code should run after this. +// set in exit() and abort() +var ABORT = false; + +// set by exit() and abort(). Passed to 'onExit' handler. +// NOTE: This is also used as the process return code code in shell environments +// but only when noExitRuntime is false. +var EXITSTATUS; + +/** @type {function(*, string=)} */ +function assert(condition, text) { + if (!condition) { + abort('Assertion failed: ' + text); + } +} + +// Returns the C function with a specified identifier (for C++, you need to do manual name mangling) +function getCFunc(ident) { + var func = Module['_' + ident]; // closure exported function + assert(func, 'Cannot call unknown function ' + ident + ', make sure it is exported'); + return func; +} + +// C calling interface. +/** @param {string|null=} returnType + @param {Array=} argTypes + @param {Arguments|Array=} args + @param {Object=} opts */ +function ccall(ident, returnType, argTypes, args, opts) { + // For fast lookup of conversion functions + var toC = { + 'string': function(str) { + var ret = 0; + if (str !== null && str !== undefined && str !== 0) { // null string + // at most 4 bytes per UTF-8 code point, +1 for the trailing '\0' + var len = (str.length << 2) + 1; + ret = stackAlloc(len); + stringToUTF8(str, ret, len); + } + return ret; + }, + 'array': function(arr) { + var ret = stackAlloc(arr.length); + writeArrayToMemory(arr, ret); + return ret; + } + }; + + function convertReturnValue(ret) { + if (returnType === 'string') return UTF8ToString(ret); + if (returnType === 'boolean') return Boolean(ret); + return ret; + } + + var func = getCFunc(ident); + var cArgs = []; + var stack = 0; + if (args) { + for (var i = 0; i < args.length; i++) { + var converter = toC[argTypes[i]]; + if (converter) { + if (stack === 0) stack = stackSave(); + cArgs[i] = converter(args[i]); + } else { + cArgs[i] = args[i]; + } + } + } + var ret = func.apply(null, cArgs); + function onDone(ret) { + if (stack !== 0) stackRestore(stack); + return convertReturnValue(ret); + } + + ret = onDone(ret); + return ret; +} + +/** @param {string=} returnType + @param {Array=} argTypes + @param {Object=} opts */ +function cwrap(ident, returnType, argTypes, opts) { + argTypes = argTypes || []; + // When the function takes numbers and returns a number, we can just return + // the original function + var numericArgs = argTypes.every(function(type){ return type === 'number'}); + var numericRet = returnType !== 'string'; + if (numericRet && numericArgs && !opts) { + return getCFunc(ident); + } + return function() { + return ccall(ident, returnType, argTypes, arguments, opts); + } +} + +var ALLOC_NORMAL = 0; // Tries to use _malloc() +var ALLOC_STACK = 1; // Lives for the duration of the current function call + +// allocate(): This is for internal use. You can use it yourself as well, but the interface +// is a little tricky (see docs right below). The reason is that it is optimized +// for multiple syntaxes to save space in generated code. So you should +// normally not use allocate(), and instead allocate memory using _malloc(), +// initialize it with setValue(), and so forth. +// @slab: An array of data. +// @allocator: How to allocate memory, see ALLOC_* +/** @type {function((Uint8Array|Array<number>), number)} */ +function allocate(slab, allocator) { + var ret; + + if (allocator == ALLOC_STACK) { + ret = stackAlloc(slab.length); + } else { + ret = _malloc(slab.length); + } + + if (slab.subarray || slab.slice) { + HEAPU8.set(/** @type {!Uint8Array} */(slab), ret); + } else { + HEAPU8.set(new Uint8Array(slab), ret); + } + return ret; +} + +// include: runtime_strings.js + + +// runtime_strings.js: Strings related runtime functions that are part of both MINIMAL_RUNTIME and regular runtime. + +// Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the given array that contains uint8 values, returns +// a copy of that string as a Javascript String object. + +var UTF8Decoder = typeof TextDecoder !== 'undefined' ? new TextDecoder('utf8') : undefined; + +/** + * @param {number} idx + * @param {number=} maxBytesToRead + * @return {string} + */ +function UTF8ArrayToString(heap, idx, maxBytesToRead) { + var endIdx = idx + maxBytesToRead; + var endPtr = idx; + // TextDecoder needs to know the byte length in advance, it doesn't stop on null terminator by itself. + // Also, use the length info to avoid running tiny strings through TextDecoder, since .subarray() allocates garbage. + // (As a tiny code save trick, compare endPtr against endIdx using a negation, so that undefined means Infinity) + while (heap[endPtr] && !(endPtr >= endIdx)) ++endPtr; + + if (endPtr - idx > 16 && heap.subarray && UTF8Decoder) { + return UTF8Decoder.decode(heap.subarray(idx, endPtr)); + } else { + var str = ''; + // If building with TextDecoder, we have already computed the string length above, so test loop end condition against that + while (idx < endPtr) { + // For UTF8 byte structure, see: + // http://en.wikipedia.org/wiki/UTF-8#Description + // https://www.ietf.org/rfc/rfc2279.txt + // https://tools.ietf.org/html/rfc3629 + var u0 = heap[idx++]; + if (!(u0 & 0x80)) { str += String.fromCharCode(u0); continue; } + var u1 = heap[idx++] & 63; + if ((u0 & 0xE0) == 0xC0) { str += String.fromCharCode(((u0 & 31) << 6) | u1); continue; } + var u2 = heap[idx++] & 63; + if ((u0 & 0xF0) == 0xE0) { + u0 = ((u0 & 15) << 12) | (u1 << 6) | u2; + } else { + u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | (heap[idx++] & 63); + } + + if (u0 < 0x10000) { + str += String.fromCharCode(u0); + } else { + var ch = u0 - 0x10000; + str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF)); + } + } + } + return str; +} + +// Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the emscripten HEAP, returns a +// copy of that string as a Javascript String object. +// maxBytesToRead: an optional length that specifies the maximum number of bytes to read. You can omit +// this parameter to scan the string until the first \0 byte. If maxBytesToRead is +// passed, and the string at [ptr, ptr+maxBytesToReadr[ contains a null byte in the +// middle, then the string will cut short at that byte index (i.e. maxBytesToRead will +// not produce a string of exact length [ptr, ptr+maxBytesToRead[) +// N.B. mixing frequent uses of UTF8ToString() with and without maxBytesToRead may +// throw JS JIT optimizations off, so it is worth to consider consistently using one +// style or the other. +/** + * @param {number} ptr + * @param {number=} maxBytesToRead + * @return {string} + */ +function UTF8ToString(ptr, maxBytesToRead) { + return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : ''; +} + +// Copies the given Javascript String object 'str' to the given byte array at address 'outIdx', +// encoded in UTF8 form and null-terminated. The copy will require at most str.length*4+1 bytes of space in the HEAP. +// Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write. +// Parameters: +// str: the Javascript string to copy. +// heap: the array to copy to. Each index in this array is assumed to be one 8-byte element. +// outIdx: The starting offset in the array to begin the copying. +// maxBytesToWrite: The maximum number of bytes this function can write to the array. +// This count should include the null terminator, +// i.e. if maxBytesToWrite=1, only the null terminator will be written and nothing else. +// maxBytesToWrite=0 does not write any bytes to the output, not even the null terminator. +// Returns the number of bytes written, EXCLUDING the null terminator. + +function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) { + if (!(maxBytesToWrite > 0)) // Parameter maxBytesToWrite is not optional. Negative values, 0, null, undefined and false each don't write out any bytes. + return 0; + + var startIdx = outIdx; + var endIdx = outIdx + maxBytesToWrite - 1; // -1 for string null terminator. + for (var i = 0; i < str.length; ++i) { + // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! So decode UTF16->UTF32->UTF8. + // See http://unicode.org/faq/utf_bom.html#utf16-3 + // For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description and https://www.ietf.org/rfc/rfc2279.txt and https://tools.ietf.org/html/rfc3629 + var u = str.charCodeAt(i); // possibly a lead surrogate + if (u >= 0xD800 && u <= 0xDFFF) { + var u1 = str.charCodeAt(++i); + u = 0x10000 + ((u & 0x3FF) << 10) | (u1 & 0x3FF); + } + if (u <= 0x7F) { + if (outIdx >= endIdx) break; + heap[outIdx++] = u; + } else if (u <= 0x7FF) { + if (outIdx + 1 >= endIdx) break; + heap[outIdx++] = 0xC0 | (u >> 6); + heap[outIdx++] = 0x80 | (u & 63); + } else if (u <= 0xFFFF) { + if (outIdx + 2 >= endIdx) break; + heap[outIdx++] = 0xE0 | (u >> 12); + heap[outIdx++] = 0x80 | ((u >> 6) & 63); + heap[outIdx++] = 0x80 | (u & 63); + } else { + if (outIdx + 3 >= endIdx) break; + heap[outIdx++] = 0xF0 | (u >> 18); + heap[outIdx++] = 0x80 | ((u >> 12) & 63); + heap[outIdx++] = 0x80 | ((u >> 6) & 63); + heap[outIdx++] = 0x80 | (u & 63); + } + } + // Null-terminate the pointer to the buffer. + heap[outIdx] = 0; + return outIdx - startIdx; +} + +// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', +// null-terminated and encoded in UTF8 form. The copy will require at most str.length*4+1 bytes of space in the HEAP. +// Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write. +// Returns the number of bytes written, EXCLUDING the null terminator. + +function stringToUTF8(str, outPtr, maxBytesToWrite) { + return stringToUTF8Array(str, HEAPU8,outPtr, maxBytesToWrite); +} + +// Returns the number of bytes the given Javascript string takes if encoded as a UTF8 byte array, EXCLUDING the null terminator byte. +function lengthBytesUTF8(str) { + var len = 0; + for (var i = 0; i < str.length; ++i) { + // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! So decode UTF16->UTF32->UTF8. + // See http://unicode.org/faq/utf_bom.html#utf16-3 + var u = str.charCodeAt(i); // possibly a lead surrogate + if (u >= 0xD800 && u <= 0xDFFF) u = 0x10000 + ((u & 0x3FF) << 10) | (str.charCodeAt(++i) & 0x3FF); + if (u <= 0x7F) ++len; + else if (u <= 0x7FF) len += 2; + else if (u <= 0xFFFF) len += 3; + else len += 4; + } + return len; +} + +// end include: runtime_strings.js +// include: runtime_strings_extra.js + + +// runtime_strings_extra.js: Strings related runtime functions that are available only in regular runtime. + +// Given a pointer 'ptr' to a null-terminated ASCII-encoded string in the emscripten HEAP, returns +// a copy of that string as a Javascript String object. + +function AsciiToString(ptr) { + var str = ''; + while (1) { + var ch = HEAPU8[((ptr++)>>0)]; + if (!ch) return str; + str += String.fromCharCode(ch); + } +} + +// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', +// null-terminated and encoded in ASCII form. The copy will require at most str.length+1 bytes of space in the HEAP. + +function stringToAscii(str, outPtr) { + return writeAsciiToMemory(str, outPtr, false); +} + +// Given a pointer 'ptr' to a null-terminated UTF16LE-encoded string in the emscripten HEAP, returns +// a copy of that string as a Javascript String object. + +var UTF16Decoder = typeof TextDecoder !== 'undefined' ? new TextDecoder('utf-16le') : undefined; + +function UTF16ToString(ptr, maxBytesToRead) { + var endPtr = ptr; + // TextDecoder needs to know the byte length in advance, it doesn't stop on null terminator by itself. + // Also, use the length info to avoid running tiny strings through TextDecoder, since .subarray() allocates garbage. + var idx = endPtr >> 1; + var maxIdx = idx + maxBytesToRead / 2; + // If maxBytesToRead is not passed explicitly, it will be undefined, and this + // will always evaluate to true. This saves on code size. + while (!(idx >= maxIdx) && HEAPU16[idx]) ++idx; + endPtr = idx << 1; + + if (endPtr - ptr > 32 && UTF16Decoder) { + return UTF16Decoder.decode(HEAPU8.subarray(ptr, endPtr)); + } else { + var str = ''; + + // If maxBytesToRead is not passed explicitly, it will be undefined, and the for-loop's condition + // will always evaluate to true. The loop is then terminated on the first null char. + for (var i = 0; !(i >= maxBytesToRead / 2); ++i) { + var codeUnit = HEAP16[(((ptr)+(i*2))>>1)]; + if (codeUnit == 0) break; + // fromCharCode constructs a character from a UTF-16 code unit, so we can pass the UTF16 string right through. + str += String.fromCharCode(codeUnit); + } + + return str; + } +} + +// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', +// null-terminated and encoded in UTF16 form. The copy will require at most str.length*4+2 bytes of space in the HEAP. +// Use the function lengthBytesUTF16() to compute the exact number of bytes (excluding null terminator) that this function will write. +// Parameters: +// str: the Javascript string to copy. +// outPtr: Byte address in Emscripten HEAP where to write the string to. +// maxBytesToWrite: The maximum number of bytes this function can write to the array. This count should include the null +// terminator, i.e. if maxBytesToWrite=2, only the null terminator will be written and nothing else. +// maxBytesToWrite<2 does not write any bytes to the output, not even the null terminator. +// Returns the number of bytes written, EXCLUDING the null terminator. + +function stringToUTF16(str, outPtr, maxBytesToWrite) { + // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed. + if (maxBytesToWrite === undefined) { + maxBytesToWrite = 0x7FFFFFFF; + } + if (maxBytesToWrite < 2) return 0; + maxBytesToWrite -= 2; // Null terminator. + var startPtr = outPtr; + var numCharsToWrite = (maxBytesToWrite < str.length*2) ? (maxBytesToWrite / 2) : str.length; + for (var i = 0; i < numCharsToWrite; ++i) { + // charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP. + var codeUnit = str.charCodeAt(i); // possibly a lead surrogate + HEAP16[((outPtr)>>1)] = codeUnit; + outPtr += 2; + } + // Null-terminate the pointer to the HEAP. + HEAP16[((outPtr)>>1)] = 0; + return outPtr - startPtr; +} + +// Returns the number of bytes the given Javascript string takes if encoded as a UTF16 byte array, EXCLUDING the null terminator byte. + +function lengthBytesUTF16(str) { + return str.length*2; +} + +function UTF32ToString(ptr, maxBytesToRead) { + var i = 0; + + var str = ''; + // If maxBytesToRead is not passed explicitly, it will be undefined, and this + // will always evaluate to true. This saves on code size. + while (!(i >= maxBytesToRead / 4)) { + var utf32 = HEAP32[(((ptr)+(i*4))>>2)]; + if (utf32 == 0) break; + ++i; + // Gotcha: fromCharCode constructs a character from a UTF-16 encoded code (pair), not from a Unicode code point! So encode the code point to UTF-16 for constructing. + // See http://unicode.org/faq/utf_bom.html#utf16-3 + if (utf32 >= 0x10000) { + var ch = utf32 - 0x10000; + str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF)); + } else { + str += String.fromCharCode(utf32); + } + } + return str; +} + +// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', +// null-terminated and encoded in UTF32 form. The copy will require at most str.length*4+4 bytes of space in the HEAP. +// Use the function lengthBytesUTF32() to compute the exact number of bytes (excluding null terminator) that this function will write. +// Parameters: +// str: the Javascript string to copy. +// outPtr: Byte address in Emscripten HEAP where to write the string to. +// maxBytesToWrite: The maximum number of bytes this function can write to the array. This count should include the null +// terminator, i.e. if maxBytesToWrite=4, only the null terminator will be written and nothing else. +// maxBytesToWrite<4 does not write any bytes to the output, not even the null terminator. +// Returns the number of bytes written, EXCLUDING the null terminator. + +function stringToUTF32(str, outPtr, maxBytesToWrite) { + // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed. + if (maxBytesToWrite === undefined) { + maxBytesToWrite = 0x7FFFFFFF; + } + if (maxBytesToWrite < 4) return 0; + var startPtr = outPtr; + var endPtr = startPtr + maxBytesToWrite - 4; + for (var i = 0; i < str.length; ++i) { + // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap. + // See http://unicode.org/faq/utf_bom.html#utf16-3 + var codeUnit = str.charCodeAt(i); // possibly a lead surrogate + if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) { + var trailSurrogate = str.charCodeAt(++i); + codeUnit = 0x10000 + ((codeUnit & 0x3FF) << 10) | (trailSurrogate & 0x3FF); + } + HEAP32[((outPtr)>>2)] = codeUnit; + outPtr += 4; + if (outPtr + 4 > endPtr) break; + } + // Null-terminate the pointer to the HEAP. + HEAP32[((outPtr)>>2)] = 0; + return outPtr - startPtr; +} + +// Returns the number of bytes the given Javascript string takes if encoded as a UTF16 byte array, EXCLUDING the null terminator byte. + +function lengthBytesUTF32(str) { + var len = 0; + for (var i = 0; i < str.length; ++i) { + // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap. + // See http://unicode.org/faq/utf_bom.html#utf16-3 + var codeUnit = str.charCodeAt(i); + if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) ++i; // possibly a lead surrogate, so skip over the tail surrogate. + len += 4; + } + + return len; +} + +// Allocate heap space for a JS string, and write it there. +// It is the responsibility of the caller to free() that memory. +function allocateUTF8(str) { + var size = lengthBytesUTF8(str) + 1; + var ret = _malloc(size); + if (ret) stringToUTF8Array(str, HEAP8, ret, size); + return ret; +} + +// Allocate stack space for a JS string, and write it there. +function allocateUTF8OnStack(str) { + var size = lengthBytesUTF8(str) + 1; + var ret = stackAlloc(size); + stringToUTF8Array(str, HEAP8, ret, size); + return ret; +} + +// Deprecated: This function should not be called because it is unsafe and does not provide +// a maximum length limit of how many bytes it is allowed to write. Prefer calling the +// function stringToUTF8Array() instead, which takes in a maximum length that can be used +// to be secure from out of bounds writes. +/** @deprecated + @param {boolean=} dontAddNull */ +function writeStringToMemory(string, buffer, dontAddNull) { + warnOnce('writeStringToMemory is deprecated and should not be called! Use stringToUTF8() instead!'); + + var /** @type {number} */ lastChar, /** @type {number} */ end; + if (dontAddNull) { + // stringToUTF8Array always appends null. If we don't want to do that, remember the + // character that existed at the location where the null will be placed, and restore + // that after the write (below). + end = buffer + lengthBytesUTF8(string); + lastChar = HEAP8[end]; + } + stringToUTF8(string, buffer, Infinity); + if (dontAddNull) HEAP8[end] = lastChar; // Restore the value under the null character. +} + +function writeArrayToMemory(array, buffer) { + HEAP8.set(array, buffer); +} + +/** @param {boolean=} dontAddNull */ +function writeAsciiToMemory(str, buffer, dontAddNull) { + for (var i = 0; i < str.length; ++i) { + HEAP8[((buffer++)>>0)] = str.charCodeAt(i); + } + // Null-terminate the pointer to the HEAP. + if (!dontAddNull) HEAP8[((buffer)>>0)] = 0; +} + +// end include: runtime_strings_extra.js +// Memory management + +function alignUp(x, multiple) { + if (x % multiple > 0) { + x += multiple - (x % multiple); + } + return x; +} + +var HEAP, +/** @type {ArrayBuffer} */ + buffer, +/** @type {Int8Array} */ + HEAP8, +/** @type {Uint8Array} */ + HEAPU8, +/** @type {Int16Array} */ + HEAP16, +/** @type {Uint16Array} */ + HEAPU16, +/** @type {Int32Array} */ + HEAP32, +/** @type {Uint32Array} */ + HEAPU32, +/** @type {Float32Array} */ + HEAPF32, +/** @type {Float64Array} */ + HEAPF64; + +function updateGlobalBufferAndViews(buf) { + buffer = buf; + Module['HEAP8'] = HEAP8 = new Int8Array(buf); + Module['HEAP16'] = HEAP16 = new Int16Array(buf); + Module['HEAP32'] = HEAP32 = new Int32Array(buf); + Module['HEAPU8'] = HEAPU8 = new Uint8Array(buf); + Module['HEAPU16'] = HEAPU16 = new Uint16Array(buf); + Module['HEAPU32'] = HEAPU32 = new Uint32Array(buf); + Module['HEAPF32'] = HEAPF32 = new Float32Array(buf); + Module['HEAPF64'] = HEAPF64 = new Float64Array(buf); +} + +var TOTAL_STACK = 5242880; + +var INITIAL_MEMORY = Module['INITIAL_MEMORY'] || 16777216; + +// include: runtime_init_table.js +// In regular non-RELOCATABLE mode the table is exported +// from the wasm module and this will be assigned once +// the exports are available. +var wasmTable; + +// end include: runtime_init_table.js +// include: runtime_stack_check.js + + +// end include: runtime_stack_check.js +// include: runtime_assertions.js + + +// end include: runtime_assertions.js +var __ATPRERUN__ = []; // functions called before the runtime is initialized +var __ATINIT__ = []; // functions called during startup +var __ATEXIT__ = []; // functions called during shutdown +var __ATPOSTRUN__ = []; // functions called after the main() is called + +var runtimeInitialized = false; +var runtimeExited = false; +var runtimeKeepaliveCounter = 0; + +function keepRuntimeAlive() { + return noExitRuntime || runtimeKeepaliveCounter > 0; +} + +function preRun() { + + if (Module['preRun']) { + if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']]; + while (Module['preRun'].length) { + addOnPreRun(Module['preRun'].shift()); + } + } + + callRuntimeCallbacks(__ATPRERUN__); +} + +function initRuntime() { + runtimeInitialized = true; + + + callRuntimeCallbacks(__ATINIT__); +} + +function exitRuntime() { + runtimeExited = true; +} + +function postRun() { + + if (Module['postRun']) { + if (typeof Module['postRun'] == 'function') Module['postRun'] = [Module['postRun']]; + while (Module['postRun'].length) { + addOnPostRun(Module['postRun'].shift()); + } + } + + callRuntimeCallbacks(__ATPOSTRUN__); +} + +function addOnPreRun(cb) { + __ATPRERUN__.unshift(cb); +} + +function addOnInit(cb) { + __ATINIT__.unshift(cb); +} + +function addOnExit(cb) { +} + +function addOnPostRun(cb) { + __ATPOSTRUN__.unshift(cb); +} + +// include: runtime_math.js + + +// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/imul + +// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/fround + +// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/clz32 + +// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/trunc + +// end include: runtime_math.js +// A counter of dependencies for calling run(). If we need to +// do asynchronous work before running, increment this and +// decrement it. Incrementing must happen in a place like +// Module.preRun (used by emcc to add file preloading). +// Note that you can add dependencies in preRun, even though +// it happens right before run - run will be postponed until +// the dependencies are met. +var runDependencies = 0; +var runDependencyWatcher = null; +var dependenciesFulfilled = null; // overridden to take different actions when all run dependencies are fulfilled + +function getUniqueRunDependency(id) { + return id; +} + +function addRunDependency(id) { + runDependencies++; + + if (Module['monitorRunDependencies']) { + Module['monitorRunDependencies'](runDependencies); + } + +} + +function removeRunDependency(id) { + runDependencies--; + + if (Module['monitorRunDependencies']) { + Module['monitorRunDependencies'](runDependencies); + } + + if (runDependencies == 0) { + if (runDependencyWatcher !== null) { + clearInterval(runDependencyWatcher); + runDependencyWatcher = null; + } + if (dependenciesFulfilled) { + var callback = dependenciesFulfilled; + dependenciesFulfilled = null; + callback(); // can add another dependenciesFulfilled + } + } +} + +Module["preloadedImages"] = {}; // maps url to image data +Module["preloadedAudios"] = {}; // maps url to audio data + +/** @param {string|number=} what */ +function abort(what) { + if (Module['onAbort']) { + Module['onAbort'](what); + } + + what += ''; + err(what); + + ABORT = true; + EXITSTATUS = 1; + + what = 'abort(' + what + '). Build with -s ASSERTIONS=1 for more info.'; + + // Use a wasm runtime error, because a JS error might be seen as a foreign + // exception, which means we'd run destructors on it. We need the error to + // simply make the program stop. + var e = new WebAssembly.RuntimeError(what); + + readyPromiseReject(e); + // Throw the error whether or not MODULARIZE is set because abort is used + // in code paths apart from instantiation where an exception is expected + // to be thrown when abort is called. + throw e; +} + +// {{MEM_INITIALIZER}} + +// include: memoryprofiler.js + + +// end include: memoryprofiler.js +// include: URIUtils.js + + +// Prefix of data URIs emitted by SINGLE_FILE and related options. +var dataURIPrefix = 'data:application/octet-stream;base64,'; + +// Indicates whether filename is a base64 data URI. +function isDataURI(filename) { + // Prefix of data URIs emitted by SINGLE_FILE and related options. + return filename.startsWith(dataURIPrefix); +} + +// Indicates whether filename is delivered via file protocol (as opposed to http/https) +function isFileURI(filename) { + return filename.startsWith('file://'); +} + +// end include: URIUtils.js +var wasmBinaryFile; + wasmBinaryFile = 'lnsocket_module.wasm'; + if (!isDataURI(wasmBinaryFile)) { + wasmBinaryFile = locateFile(wasmBinaryFile); + } + +function getBinary(file) { + try { + if (file == wasmBinaryFile && wasmBinary) { + return new Uint8Array(wasmBinary); + } + if (readBinary) { + return readBinary(file); + } else { + throw "both async and sync fetching of the wasm failed"; + } + } + catch (err) { + abort(err); + } +} + +function getBinaryPromise() { + // If we don't have the binary yet, try to to load it asynchronously. + // Fetch has some additional restrictions over XHR, like it can't be used on a file:// url. + // See https://github.com/github/fetch/pull/92#issuecomment-140665932 + // Cordova or Electron apps are typically loaded from a file:// url. + // So use fetch if it is available and the url is not a file, otherwise fall back to XHR. + if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) { + if (typeof fetch === 'function' + ) { + return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function(response) { + if (!response['ok']) { + throw "failed to load wasm binary file at '" + wasmBinaryFile + "'"; + } + return response['arrayBuffer'](); + }).catch(function () { + return getBinary(wasmBinaryFile); + }); + } + } + + // Otherwise, getBinary should be able to get it synchronously + return Promise.resolve().then(function() { return getBinary(wasmBinaryFile); }); +} + +// Create the wasm instance. +// Receives the wasm imports, returns the exports. +function createWasm() { + // prepare imports + var info = { + 'env': asmLibraryArg, + 'wasi_snapshot_preview1': asmLibraryArg, + }; + // Load the wasm module and create an instance of using native support in the JS engine. + // handle a generated wasm instance, receiving its exports and + // performing other necessary setup + /** @param {WebAssembly.Module=} module*/ + function receiveInstance(instance, module) { + var exports = instance.exports; + + Module['asm'] = exports; + + wasmMemory = Module['asm']['memory']; + updateGlobalBufferAndViews(wasmMemory.buffer); + + wasmTable = Module['asm']['__indirect_function_table']; + + addOnInit(Module['asm']['__wasm_call_ctors']); + + removeRunDependency('wasm-instantiate'); + } + // we can't run yet (except in a pthread, where we have a custom sync instantiator) + addRunDependency('wasm-instantiate'); + + // Prefer streaming instantiation if available. + function receiveInstantiationResult(result) { + // 'result' is a ResultObject object which has both the module and instance. + // receiveInstance() will swap in the exports (to Module.asm) so they can be called + // TODO: Due to Closure regression https://github.com/google/closure-compiler/issues/3193, the above line no longer optimizes out down to the following line. + // When the regression is fixed, can restore the above USE_PTHREADS-enabled path. + receiveInstance(result['instance']); + } + + function instantiateArrayBuffer(receiver) { + return getBinaryPromise().then(function(binary) { + return WebAssembly.instantiate(binary, info); + }).then(function (instance) { + return instance; + }).then(receiver, function(reason) { + err('failed to asynchronously prepare wasm: ' + reason); + + abort(reason); + }); + } + + function instantiateAsync() { + if (!wasmBinary && + typeof WebAssembly.instantiateStreaming === 'function' && + !isDataURI(wasmBinaryFile) && + typeof fetch === 'function') { + return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function (response) { + var result = WebAssembly.instantiateStreaming(response, info); + + return result.then( + receiveInstantiationResult, + function(reason) { + // We expect the most common failure cause to be a bad MIME type for the binary, + // in which case falling back to ArrayBuffer instantiation should work. + err('wasm streaming compile failed: ' + reason); + err('falling back to ArrayBuffer instantiation'); + return instantiateArrayBuffer(receiveInstantiationResult); + }); + }); + } else { + return instantiateArrayBuffer(receiveInstantiationResult); + } + } + + // User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback + // to manually instantiate the Wasm module themselves. This allows pages to run the instantiation parallel + // to any other async startup actions they are performing. + if (Module['instantiateWasm']) { + try { + var exports = Module['instantiateWasm'](info, receiveInstance); + return exports; + } catch(e) { + err('Module.instantiateWasm callback failed with error: ' + e); + return false; + } + } + + // If instantiation fails, reject the module ready promise. + instantiateAsync().catch(readyPromiseReject); + return {}; // no exports yet; we'll fill them in later +} + +// Globals used by JS i64 conversions (see makeSetValue) +var tempDouble; +var tempI64; + +// === Body === + +var ASM_CONSTS = { + 70824: function() {return Module.getRandomValue();}, + 70860: function() {if (Module.getRandomValue === undefined) { try { var window_ = 'object' === typeof window ? window : self; var crypto_ = typeof window_.crypto !== 'undefined' ? window_.crypto : window_.msCrypto; var randomValuesStandard = function() { var buf = new Uint32Array(1); crypto_.getRandomValues(buf); return buf[0] >>> 0; }; randomValuesStandard(); Module.getRandomValue = randomValuesStandard; } catch (e) { try { var crypto = require('crypto'); var randomValueNodeJS = function() { var buf = crypto.randomBytes(4); return (buf[0] << 24 | buf[1] << 16 | buf[2] << 8 | buf[3]) >>> 0; }; randomValueNodeJS(); Module.getRandomValue = randomValueNodeJS; } catch (e) { throw 'No secure random number generator found'; } } }} +}; + + + + + + + function callRuntimeCallbacks(callbacks) { + while (callbacks.length > 0) { + var callback = callbacks.shift(); + if (typeof callback == 'function') { + callback(Module); // Pass the module as the first argument. + continue; + } + var func = callback.func; + if (typeof func === 'number') { + if (callback.arg === undefined) { + wasmTable.get(func)(); + } else { + wasmTable.get(func)(callback.arg); + } + } else { + func(callback.arg === undefined ? null : callback.arg); + } + } + } + + function demangle(func) { + return func; + } + + function demangleAll(text) { + var regex = + /\b_Z[\w\d_]+/g; + return text.replace(regex, + function(x) { + var y = demangle(x); + return x === y ? x : (y + ' [' + x + ']'); + }); + } + + function jsStackTrace() { + var error = new Error(); + if (!error.stack) { + // IE10+ special cases: It does have callstack info, but it is only populated if an Error object is thrown, + // so try that as a special-case. + try { + throw new Error(); + } catch(e) { + error = e; + } + if (!error.stack) { + return '(no stack trace available)'; + } + } + return error.stack.toString(); + } + + function stackTrace() { + var js = jsStackTrace(); + if (Module['extraStackTrace']) js += '\n' + Module['extraStackTrace'](); + return demangleAll(js); + } + + function ___assert_fail(condition, filename, line, func) { + abort('Assertion failed: ' + UTF8ToString(condition) + ', at: ' + [filename ? UTF8ToString(filename) : 'unknown filename', line, func ? UTF8ToString(func) : 'unknown function']); + } + + function _abort() { + abort(); + } + + var readAsmConstArgsArray = []; + function readAsmConstArgs(sigPtr, buf) { + readAsmConstArgsArray.length = 0; + var ch; + // Most arguments are i32s, so shift the buffer pointer so it is a plain + // index into HEAP32. + buf >>= 2; + while (ch = HEAPU8[sigPtr++]) { + // A double takes two 32-bit slots, and must also be aligned - the backend + // will emit padding to avoid that. + var double = ch < 105; + if (double && (buf & 1)) buf++; + readAsmConstArgsArray.push(double ? HEAPF64[buf++ >> 1] : HEAP32[buf]); + ++buf; + } + return readAsmConstArgsArray; + } + function _emscripten_asm_const_int(code, sigPtr, argbuf) { + var args = readAsmConstArgs(sigPtr, argbuf); + return ASM_CONSTS[code].apply(null, args); + } + + function _emscripten_memcpy_big(dest, src, num) { + HEAPU8.copyWithin(dest, src, src + num); + } + + function abortOnCannotGrowMemory(requestedSize) { + abort('OOM'); + } + function _emscripten_resize_heap(requestedSize) { + var oldSize = HEAPU8.length; + requestedSize = requestedSize >>> 0; + abortOnCannotGrowMemory(requestedSize); + } + + var SYSCALLS = {mappings:{},buffers:[null,[],[]],printChar:function(stream, curr) { + var buffer = SYSCALLS.buffers[stream]; + if (curr === 0 || curr === 10) { + (stream === 1 ? out : err)(UTF8ArrayToString(buffer, 0)); + buffer.length = 0; + } else { + buffer.push(curr); + } + },varargs:undefined,get:function() { + SYSCALLS.varargs += 4; + var ret = HEAP32[(((SYSCALLS.varargs)-(4))>>2)]; + return ret; + },getStr:function(ptr) { + var ret = UTF8ToString(ptr); + return ret; + },get64:function(low, high) { + return low; + }}; + function _fd_close(fd) { + return 0; + } + + function _fd_seek(fd, offset_low, offset_high, whence, newOffset) { + } + + function flush_NO_FILESYSTEM() { + // flush anything remaining in the buffers during shutdown + if (typeof _fflush !== 'undefined') _fflush(0); + var buffers = SYSCALLS.buffers; + if (buffers[1].length) SYSCALLS.printChar(1, 10); + if (buffers[2].length) SYSCALLS.printChar(2, 10); + } + function _fd_write(fd, iov, iovcnt, pnum) { + // hack to support printf in SYSCALLS_REQUIRE_FILESYSTEM=0 + var num = 0; + for (var i = 0; i < iovcnt; i++) { + var ptr = HEAP32[(((iov)+(i*8))>>2)]; + var len = HEAP32[(((iov)+(i*8 + 4))>>2)]; + for (var j = 0; j < len; j++) { + SYSCALLS.printChar(fd, HEAPU8[ptr+j]); + } + num += len; + } + HEAP32[((pnum)>>2)] = num + return 0; + } + + function _setTempRet0(val) { + setTempRet0(val); + } +var ASSERTIONS = false; + + + +/** @type {function(string, boolean=, number=)} */ +function intArrayFromString(stringy, dontAddNull, length) { + var len = length > 0 ? length : lengthBytesUTF8(stringy)+1; + var u8array = new Array(len); + var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length); + if (dontAddNull) u8array.length = numBytesWritten; + return u8array; +} + +function intArrayToString(array) { + var ret = []; + for (var i = 0; i < array.length; i++) { + var chr = array[i]; + if (chr > 0xFF) { + if (ASSERTIONS) { + assert(false, 'Character code ' + chr + ' (' + String.fromCharCode(chr) + ') at offset ' + i + ' not in 0x00-0xFF.'); + } + chr &= 0xFF; + } + ret.push(String.fromCharCode(chr)); + } + return ret.join(''); +} + + +var asmLibraryArg = { + "__assert_fail": ___assert_fail, + "abort": _abort, + "emscripten_asm_const_int": _emscripten_asm_const_int, + "emscripten_memcpy_big": _emscripten_memcpy_big, + "emscripten_resize_heap": _emscripten_resize_heap, + "fd_close": _fd_close, + "fd_seek": _fd_seek, + "fd_write": _fd_write, + "setTempRet0": _setTempRet0 +}; +var asm = createWasm(); +/** @type {function(...*):?} */ +var ___wasm_call_ctors = Module["___wasm_call_ctors"] = function() { + return (___wasm_call_ctors = Module["___wasm_call_ctors"] = Module["asm"]["__wasm_call_ctors"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _malloc = Module["_malloc"] = function() { + return (_malloc = Module["_malloc"] = Module["asm"]["malloc"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _free = Module["_free"] = function() { + return (_free = Module["_free"] = Module["asm"]["free"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var ___errno_location = Module["___errno_location"] = function() { + return (___errno_location = Module["___errno_location"] = Module["asm"]["__errno_location"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _lnsocket_make_default_initmsg = Module["_lnsocket_make_default_initmsg"] = function() { + return (_lnsocket_make_default_initmsg = Module["_lnsocket_make_default_initmsg"] = Module["asm"]["lnsocket_make_default_initmsg"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _lnsocket_decrypt = Module["_lnsocket_decrypt"] = function() { + return (_lnsocket_decrypt = Module["_lnsocket_decrypt"] = Module["asm"]["lnsocket_decrypt"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _lnsocket_make_ping_msg = Module["_lnsocket_make_ping_msg"] = function() { + return (_lnsocket_make_ping_msg = Module["_lnsocket_make_ping_msg"] = Module["asm"]["lnsocket_make_ping_msg"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _lnsocket_msgbuf = Module["_lnsocket_msgbuf"] = function() { + return (_lnsocket_msgbuf = Module["_lnsocket_msgbuf"] = Module["asm"]["lnsocket_msgbuf"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _lnsocket_encrypt = Module["_lnsocket_encrypt"] = function() { + return (_lnsocket_encrypt = Module["_lnsocket_encrypt"] = Module["asm"]["lnsocket_encrypt"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _lnsocket_create = Module["_lnsocket_create"] = function() { + return (_lnsocket_create = Module["_lnsocket_create"] = Module["asm"]["lnsocket_create"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _lnsocket_destroy = Module["_lnsocket_destroy"] = function() { + return (_lnsocket_destroy = Module["_lnsocket_destroy"] = Module["asm"]["lnsocket_destroy"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _lnsocket_secp = Module["_lnsocket_secp"] = function() { + return (_lnsocket_secp = Module["_lnsocket_secp"] = Module["asm"]["lnsocket_secp"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _lnsocket_genkey = Module["_lnsocket_genkey"] = function() { + return (_lnsocket_genkey = Module["_lnsocket_genkey"] = Module["asm"]["lnsocket_genkey"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _lnsocket_print_errors = Module["_lnsocket_print_errors"] = function() { + return (_lnsocket_print_errors = Module["_lnsocket_print_errors"] = Module["asm"]["lnsocket_print_errors"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _lnsocket_act_two = Module["_lnsocket_act_two"] = function() { + return (_lnsocket_act_two = Module["_lnsocket_act_two"] = Module["asm"]["lnsocket_act_two"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _commando_make_rpc_msg = Module["_commando_make_rpc_msg"] = function() { + return (_commando_make_rpc_msg = Module["_commando_make_rpc_msg"] = Module["asm"]["commando_make_rpc_msg"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _lnsocket_act_one = Module["_lnsocket_act_one"] = function() { + return (_lnsocket_act_one = Module["_lnsocket_act_one"] = Module["asm"]["lnsocket_act_one"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _htonl = Module["_htonl"] = function() { + return (_htonl = Module["_htonl"] = Module["asm"]["htonl"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _htons = Module["_htons"] = function() { + return (_htons = Module["_htons"] = Module["asm"]["htons"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _ntohs = Module["_ntohs"] = function() { + return (_ntohs = Module["_ntohs"] = Module["asm"]["ntohs"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var stackSave = Module["stackSave"] = function() { + return (stackSave = Module["stackSave"] = Module["asm"]["stackSave"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var stackRestore = Module["stackRestore"] = function() { + return (stackRestore = Module["stackRestore"] = Module["asm"]["stackRestore"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var stackAlloc = Module["stackAlloc"] = function() { + return (stackAlloc = Module["stackAlloc"] = Module["asm"]["stackAlloc"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _memalign = Module["_memalign"] = function() { + return (_memalign = Module["_memalign"] = Module["asm"]["memalign"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var dynCall_iiiji = Module["dynCall_iiiji"] = function() { + return (dynCall_iiiji = Module["dynCall_iiiji"] = Module["asm"]["dynCall_iiiji"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var dynCall_iiij = Module["dynCall_iiij"] = function() { + return (dynCall_iiij = Module["dynCall_iiij"] = Module["asm"]["dynCall_iiij"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var dynCall_iijii = Module["dynCall_iijii"] = function() { + return (dynCall_iijii = Module["dynCall_iijii"] = Module["asm"]["dynCall_iijii"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var dynCall_iiijiji = Module["dynCall_iiijiji"] = function() { + return (dynCall_iiijiji = Module["dynCall_iiijiji"] = Module["asm"]["dynCall_iiijiji"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var dynCall_iiijiii = Module["dynCall_iiijiii"] = function() { + return (dynCall_iiijiii = Module["dynCall_iiijiii"] = Module["asm"]["dynCall_iiijiii"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var dynCall_jiji = Module["dynCall_jiji"] = function() { + return (dynCall_jiji = Module["dynCall_jiji"] = Module["asm"]["dynCall_jiji"]).apply(null, arguments); +}; + + + + + +// === Auto-generated postamble setup entry stuff === + +Module["ccall"] = ccall; +Module["cwrap"] = cwrap; + +var calledRun; + +/** + * @constructor + * @this {ExitStatus} + */ +function ExitStatus(status) { + this.name = "ExitStatus"; + this.message = "Program terminated with exit(" + status + ")"; + this.status = status; +} + +var calledMain = false; + +dependenciesFulfilled = function runCaller() { + // If run has never been called, and we should call run (INVOKE_RUN is true, and Module.noInitialRun is not false) + if (!calledRun) run(); + if (!calledRun) dependenciesFulfilled = runCaller; // try this again later, after new deps are fulfilled +}; + +/** @type {function(Array=)} */ +function run(args) { + args = args || arguments_; + + if (runDependencies > 0) { + return; + } + + preRun(); + + // a preRun added a dependency, run will be called later + if (runDependencies > 0) { + return; + } + + function doRun() { + // run may have just been called through dependencies being fulfilled just in this very frame, + // or while the async setStatus time below was happening + if (calledRun) return; + calledRun = true; + Module['calledRun'] = true; + + if (ABORT) return; + + initRuntime(); + + readyPromiseResolve(Module); + if (Module['onRuntimeInitialized']) Module['onRuntimeInitialized'](); + + postRun(); + } + + if (Module['setStatus']) { + Module['setStatus']('Running...'); + setTimeout(function() { + setTimeout(function() { + Module['setStatus'](''); + }, 1); + doRun(); + }, 1); + } else + { + doRun(); + } +} +Module['run'] = run; + +/** @param {boolean|number=} implicit */ +function exit(status, implicit) { + EXITSTATUS = status; + + if (keepRuntimeAlive()) { + } else { + exitRuntime(); + } + + procExit(status); +} + +function procExit(code) { + EXITSTATUS = code; + if (!keepRuntimeAlive()) { + if (Module['onExit']) Module['onExit'](code); + ABORT = true; + } + quit_(code, new ExitStatus(code)); +} + +if (Module['preInit']) { + if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preInit']]; + while (Module['preInit'].length > 0) { + Module['preInit'].pop()(); + } +} + +run(); + + + + + + + + return Module.ready +} +); +})(); +if (typeof exports === 'object' && typeof module === 'object') + module.exports = Module; +else if (typeof define === 'function' && define['amd']) + define([], function() { return Module; }); +else if (typeof exports === 'object') + exports["Module"] = Module; + +async function lnsocket_init() { + const module = await Module() + + const ACT_ONE_SIZE = 50 + const ACT_TWO_SIZE = 50 + const ACT_THREE_SIZE = 66 + const DEFAULT_TIMEOUT = 3000 + + const COMMANDO_REPLY_CONTINUES = 0x594b + const COMMANDO_REPLY_TERM = 0x594d + + const lnsocket_create = module.cwrap("lnsocket_create", "number") + const lnsocket_encrypt = module.cwrap("lnsocket_encrypt", "number", ["int", "array", "int", "int"]) + const lnsocket_decrypt = module.cwrap("lnsocket_decrypt", "number", ["int", "array", "int"]) + const lnsocket_msgbuf = module.cwrap("lnsocket_msgbuf", "number", ["int"]) + const lnsocket_act_one = module.cwrap("lnsocket_act_one", "number", ["number", "string"]) + const lnsocket_act_two = module.cwrap("lnsocket_act_two", "number", ["number", "array"]) + const lnsocket_print_errors = module.cwrap("lnsocket_print_errors", "int") + const lnsocket_genkey = module.cwrap("lnsocket_genkey", "int") + const lnsocket_make_default_initmsg = module.cwrap("lnsocket_make_default_initmsg", "int", ["int", "int"]) + const lnsocket_make_ping_msg = module.cwrap("lnsocket_make_ping_msg", "int", ["int", "int", "int", "int"]) + const commando_make_rpc_msg = module.cwrap("commando_make_rpc_msg", "int", ["string", "string", "string", "number", "int", "int"]) + + function concat_u8_arrays(arrays) { + // sum of individual array lengths + let totalLength = arrays.reduce((acc, value) => acc + value.length, 0); + + if (!arrays.length) return null; + + let result = new Uint8Array(totalLength); + + let length = 0; + for (let array of arrays) { + result.set(array, length); + length += array.length; + } + + return result; + } + + function queue_recv(queue) { + return new Promise((resolve, reject) => { + const checker = setInterval(() => { + const val = queue.shift() + if (val) { + clearInterval(checker) + resolve(val) + } + }, 5); + }) + } + + function parse_msgtype(buf) { + return buf[0] << 8 | buf[1] + } + + function wasm_mem(ptr, size) { + return new Uint8Array(module.HEAPU8.buffer, ptr, size); + } + + function LNSocket(opts) { + if (!(this instanceof LNSocket)) + return new LNSocket(opts) + + this.opts = opts || { + timeout: DEFAULT_TIMEOUT + } + this.queue = [] + this.ln = lnsocket_create() + } + + LNSocket.prototype.print_errors = function _lnsocket_print_errors() { + lnsocket_print_errors(this.ln) + } + + LNSocket.prototype.genkey = function _lnsocket_genkey() { + lnsocket_genkey(this.ln) + } + + LNSocket.prototype.act_one_data = function _lnsocket_act_one(node_id) { + const act_one_ptr = lnsocket_act_one(this.ln, node_id) + if (act_one_ptr === 0) + return null + return wasm_mem(act_one_ptr, ACT_ONE_SIZE) + } + + LNSocket.prototype.act_two = function _lnsocket_act_two(act2) { + const act_three_ptr = lnsocket_act_two(this.ln, new Uint8Array(act2)) + if (act_three_ptr === 0) { + this.print_errors() + return null + } + return wasm_mem(act_three_ptr, ACT_THREE_SIZE) + } + + LNSocket.prototype.connect = async function lnsocket_connect(node_id, host) { + await handle_connect(this, node_id, host) + + const act1 = this.act_one_data(node_id) + this.ws.send(act1) + const act2 = await this.read_clear() + if (act2.byteLength != ACT_TWO_SIZE) { + throw new Error(`expected act2 to be ${ACT_TWO_SIZE} long, got ${act2.length}`) + } + const act3 = this.act_two(act2) + this.ws.send(act3) + } + + LNSocket.prototype.connect_and_init = async function _connect_and_init(node_id, host) { + await this.connect(node_id, host) + await this.perform_init() + } + + LNSocket.prototype.rpc = async function lnsocket_rpc(opts) { + const msg = this.make_commando_msg(opts) + this.write(msg) + return JSON.parse(await this.read_all_rpc()) + } + + LNSocket.prototype.recv = async function lnsocket_recv() { + const msg = await this.read() + console.log("recv", msg) + const msgtype = parse_msgtype(msg.slice(0,2)) + return [msgtype, msg.slice(2)] + } + + LNSocket.prototype.read_all_rpc = async function read_all_rpc() { + let chunks = [] + while (true) { + const [typ, msg] = await this.recv() + switch (typ) { + case COMMANDO_REPLY_TERM: + chunks.push(msg.slice(8)) + return new TextDecoder().decode(concat_u8_arrays(chunks)); + case COMMANDO_REPLY_CONTINUES: + chunks.push(msg.slice(8)) + break + default: + console.log("got unknown type", typ) + continue + } + } + } + + LNSocket.prototype.make_commando_msg = function _lnsocket_make_commando_msg(opts) { + const buflen = 4096 + let len = 0; + const buf = module._malloc(buflen); + module.HEAPU8.set(Uint8Array, buf); + + const params = JSON.stringify(opts.params||{}) + if (!(len = commando_make_rpc_msg(opts.method, params, opts.rune, + 0, buf, buflen))) { + throw new Error("couldn't make commando msg"); + } + + const dat = wasm_mem(buf, len) + module._free(buf); + return dat + } + + LNSocket.prototype.make_ping_msg = function _lnsocket_make_ping_msg(num_pong_bytes=1, ignored_bytes=1) { + const buflen = 32 + let len = 0; + const buf = module._malloc(buflen); + module.HEAPU8.set(Uint8Array, buf); + + if (!(len = lnsocket_make_ping_msg(buf, buflen, num_pong_bytes, ignored_bytes))) + throw new Error("couldn't make ping msg"); + + const dat = wasm_mem(buf, len) + module._free(buf); + return dat + } + + LNSocket.prototype.encrypt = function _lnsocket_encrypt(dat) { + const len = lnsocket_encrypt(this.ln, dat, dat.length) + if (len === 0) { + this.print_errors() + throw new Error("encrypt error") + } + const enc = wasm_mem(lnsocket_msgbuf(this.ln), len) + return enc + } + + LNSocket.prototype.decrypt = function _lnsocket_decrypt(dat) { + const len = lnsocket_decrypt(this.ln, dat, dat.length) + if (len === 0) { + this.print_errors() + throw new Error("decrypt error") + } + return wasm_mem(lnsocket_msgbuf(this.ln), len) + } + + LNSocket.prototype.write = function _lnsocket_write(dat) { + this.ws.send(this.encrypt(dat)) + } + + LNSocket.prototype.read_clear = async function _lnsocket_read() { + return (await queue_recv(this.queue)) + } + + LNSocket.prototype.read = async function _lnsocket_read() { + const enc = await this.read_clear() + return this.decrypt(new Uint8Array(enc)) + } + + LNSocket.prototype.make_default_initmsg = function _lnsocket_make_default_initmsg() { + const buflen = 1024 + let len = 0; + const buf = module._malloc(buflen); + module.HEAPU8.set(Uint8Array, buf); + + if (!(len = lnsocket_make_default_initmsg(buf, buflen))) + throw new Error("couldn't make initmsg"); + + const dat = wasm_mem(buf, len) + module._free(buf); + return dat + } + + LNSocket.prototype.perform_init = async function lnsocket_connect() { + await this.read() + const our_init = this.make_default_initmsg() + console.log("our_init", our_init) + this.write(our_init) + } + + LNSocket.prototype.ping_pong = async function lnsocket_ping_pong() { + const pingmsg = this.make_ping_msg() + console.log("ping", pingmsg) + this.write(pingmsg) + return await this.read() + } + + function handle_connect(ln, node_id, host) { + const ws = new WebSocket(`ws://${host}`) + return new Promise((resolve, reject) => { + ws.onmessage = (v) => { + ln.queue.push(v.data.arrayBuffer()) + } + + ws.addEventListener('open', function(ev) { + ln.ws = ws + resolve(ws) + }); + + ws.addEventListener('close', function(ev) { + reject() + }); + + const timeout = ln.opts.timeout || DEFAULT_TIMEOUT + setTimeout(reject, timeout); + }) + } + + return LNSocket +} + +Module.init = lnsocket_init diff --git a/lnsocket_module.wasm b/lnsocket_module.wasm Binary files differ.