initial emjs build & test chain impl - excluding it from global jest tests pending imminent wasm parent path fix PR merge

.gitignore

@@ -1,4 +1,7 @@
 .DS_Store
 node_modules/
 coverage
-.vscode
+.vscode
+build
+tests/emjs/MyMoneroCoreCpp.wasm
+tests/emjs/MyMoneroCoreCpp.js

CMakeLists.txt

@@ -0,0 +1,78 @@
+
+cmake_minimum_required(VERSION 3.4.1)
+
+SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+
+project(MyMoneroCoreCpp)
+# enable_testing()
+
+#Find openSSL
+# find_package(OpenSSL COMPONENTS
+# 	crypto REQUIRED
+# 	ssl REQUIRED
+# )
+
+# #Prep ourselves for compiling boost
+# find_package(Boost COMPONENTS 
+#     unit_test_framework REQUIRED
+#     atomic REQUIRED
+#     chrono REQUIRED
+#     context REQUIRED
+#     date_time REQUIRED
+#     exception REQUIRED
+#     filesystem REQUIRED
+#     graph REQUIRED
+#     iostreams REQUIRED
+#     math_c99 REQUIRED
+#     math_c99f REQUIRED
+#     math_c99l REQUIRED
+#     math_tr1 REQUIRED
+#     math_tr1f REQUIRED
+#     math_tr1l REQUIRED
+#     prg_exec_monitor REQUIRED
+#     program_options REQUIRED
+#     random REQUIRED
+#     regex REQUIRED
+#     serialization REQUIRED
+#     signals REQUIRED
+#     system REQUIRED
+#     test_exec_monitor REQUIRED
+#     thread REQUIRED
+#     timer REQUIRED
+#     wave REQUIRED
+#     wserialization REQUIRED
+# )
+
+# include_directories(${Boost_INCLUDE_DIRS})
+include_directories("src")
+include_directories("src/mymonero-core-cpp/src")
+# include_directories("test")
+
+# keeping test files in a separate source directory 
+# file(GLOB TEST_SRCS RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} test/test_*.cpp)
+
+set(
+    SRC_FILES
+    #
+    src/index.cpp
+    #
+    # TODO: hopefully pick up source from src/mymonero-core-cpp/src
+) 
+set(
+	EMCC_LINKER_FLAGS 
+	"--bind -Wall -s MODULARIZE=1 -s 'EXPORT_NAME=\"MyMoneroCoreCpp\"'"#"-s SAFE_HEAP=1 --bind -s WASM=1 -O3 -o ./cryptonote_crypto.emcpp.js -s LEGACY_GL_EMULATION=0  -s GL_UNSAFE_OPTS=0 --pre-js pre-module.js --post-js post-module.js -s ASSERTIONS=1 -s GL_ASSERTIONS=1 -s INVOKE_RUN=0  -std=c++11 -s USE_WEBGL2=1 -s FULL_ES3=1 -s USE_GLFW=3 -s OFFSCREENCANVAS_SUPPORT=1 --preload-file shaders --preload-file extern --use-preload-plugins"
+)
+
+# extract the filename without an extension (NAME_WE)
+add_executable(
+	MyMoneroCoreCpp 
+	${SRC_FILES}
+)
+set_target_properties(MyMoneroCoreCpp PROPERTIES LINK_FLAGS "${EMCC_LINKER_FLAGS}")
+# set_target_properties(MyMoneroCoreCpp PROPERTIES SUFFIX ".bc")
+# target_link_libraries(
+#     MyMoneroCoreCpp
+#     #
+#     OpenSSL::SSL
+#     ${Boost_LIBRARIES} 
+# )

package.json

@@ -9,6 +9,9 @@
   },
   "scripts": {
     "format": "find . -name '*.js*' | xargs prettier --write --config ./.prettierrc --config-precedence file-override",
+    "build-emcpp": "mkdir -p build && cd build && emconfigure cmake  .. && emmake cmake --build . && emmake make .",
+    "_build-test-emjs": "npm run-script build-emcpp && cp build/MyMoneroCoreCpp.js tests/emjs/ && cp build/MyMoneroCoreCpp.wasm tests/emjs/",
+    "run-test-emjs": "npm run-script _build-test-emjs && cd tests/emjs && ../../node_modules/jest/bin/jest.js MyMoneroCoreCpp.spec.js",
     "test": "jest",
     "test:coverage": "jest --coverage"
   },
@@ -44,6 +47,8 @@
       "cryptonote_utils/biginteger.js",
       "cryptonote_utils/nacl-fast-cn.js",
       "cryptonote_utils/sha3.js",
-      "cryptonote_utils/cryptonote_crypto_EMSCRIPTEN.js"]
+      "cryptonote_utils/cryptonote_crypto_EMSCRIPTEN.js",
+      "tests/emjs/*"
+    ]
   }
 }

src/index.cpp

@@ -0,0 +1,18 @@
+#include <stdio.h>
+#include <emscripten/bind.h>
+
+using namespace emscripten;
+
+float foo(float a, float b, float t)
+{
+    return (1 - t) * a + t * b;
+}
+EMSCRIPTEN_BINDINGS(my_module)
+{
+    function("foo", &foo);
+}
+
+int main() {
+  printf("hello, world!\n");
+  return 0;
+}

tests/emjs/MyMoneroCoreCpp.spec.js

@@ -0,0 +1,72 @@
+// Copyright (c) 2014-2018, MyMonero.com
+//
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//	conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//	of conditions and the following disclaimer in the documentation and/or other
+//	materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//	used to endorse or promote products derived from this software without specific
+//	prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"use strict";
+//
+if (!process.env.LISTENING_TO_UNHANDLEDS) {
+	process.on('unhandledRejection', reason => {
+		throw reason
+	})
+	process.on('uncaughtException', e => {
+		throw e
+	})
+	// Avoid memory leak by adding too many listeners
+	process.env.LISTENING_TO_UNHANDLEDS = true
+}
+//
+const dummy_test_utils = require("./dummy-test-utils.js");
+
+var public_key =
+	"904e49462268d771cc1649084c35aa1296bfb214880fe2e7f373620a3e2ba597";
+var private_key =
+	"52aa4c69b93b780885c9d7f51e6fd5795904962c61a2e07437e130784846f70d";
+//
+// var nettype = mymonero.nettype_utils.network_type.MAINNET;
+//
+it("Module is ready", () => {
+	dummy_test_utils.OnceModuleReady(
+		function(Module)
+		{
+			expect(Module).toBeTruthy()
+		}
+	)
+})
+it("has a foo which works", () => {
+	dummy_test_utils.OnceModuleReady(
+		function(Module)
+		{
+			expect(Module).toBeTruthy()
+			const out = Module.foo(1, 2, 0.5)
+			expect(out).toEqual(1.5);
+		}
+	)
+})
+
+
+
+

tests/emjs/dummy-test-utils.js

@@ -0,0 +1,62 @@
+// Copyright (c) 2014-2018, MyMonero.com
+//
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//	conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//	of conditions and the following disclaimer in the documentation and/or other
+//	materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//	used to endorse or promote products derived from this software without specific
+//	prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"use strict";
+const MyMoneroCoreCpp = require("./MyMoneroCoreCpp.js");
+
+var public_key =
+	"904e49462268d771cc1649084c35aa1296bfb214880fe2e7f373620a3e2ba597";
+var private_key =
+	"52aa4c69b93b780885c9d7f51e6fd5795904962c61a2e07437e130784846f70d";
+
+// var nettype = mymonero.nettype_utils.network_type.MAINNET;
+
+var Module = null
+var moduleReadyFns = [] // initial (gets set to undefined once Module ready)
+exports.OnceModuleReady = function(fn)
+{
+	if (Module == null) {
+		if (typeof moduleReadyFns == 'undefined' || !moduleReadyFns) {
+			throw "Expected moduleReadyFns"
+		}
+		moduleReadyFns.push(fn)
+	} else {
+		fn(Module)
+	}
+}
+
+MyMoneroCoreCpp().then(function(thisModule)
+{
+	Module = thisModule
+	{
+		for (let fn of moduleReadyFns) {
+			fn(Module)
+		}
+	}
+	moduleReadyFns = [] // flash / free (good idea?)
+});