├── .prettierrc.js ├── bin └── cli.js ├── .eslintrc.js ├── package.json ├── index.js ├── .gitignore ├── _eslintrc ├── lib └── wasm_pcruntime.js └── LICENSE /.prettierrc.js: -------------------------------------------------------------------------------- 1 | module.exports = { 2 | semi: true, 3 | trailingComma: 'all', 4 | singleQuote: true, 5 | printWidth: 120, 6 | tabWidth: 4, 7 | }; -------------------------------------------------------------------------------- /bin/cli.js: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env node 2 | // SPDX-License-Identifier: Apache-2.0 3 | 4 | const testruntime = require('../index.js'); 5 | 6 | let yargs = require('yargs') 7 | .scriptName("fwt") 8 | .usage('$0 [args]') 9 | .command('run [wasmfile]', 'run the wasm contract code give', (yargs) => { 10 | yargs.positional('wasmfile', { 11 | type: 'string', 12 | default: '', 13 | describe: 'the path to the wasm file needed' 14 | }) 15 | }, function (argv) { 16 | return testruntime.run(argv.wasmfile).then().catch(error => { 17 | console.log(error); 18 | }); 19 | }) 20 | .demandCommand() 21 | .help() 22 | .argv -------------------------------------------------------------------------------- /.eslintrc.js: -------------------------------------------------------------------------------- 1 | module.exports = { 2 | parser: '@typescript-eslint/parser', // Specifies the ESLint parser 3 | extends: [ 4 | 'plugin:@typescript-eslint/recommended', // Uses the recommended rules from the @typescript-eslint/eslint-plugin 5 | 'prettier/@typescript-eslint', // Uses eslint-config-prettier to disable ESLint rules from @typescript-eslint/eslint-plugin that would conflict with prettier 6 | 'plugin:prettier/recommended', // Enables eslint-plugin-prettier and displays prettier errors as ESLint errors. Make sure this is always the last configuration in the extends array. 7 | ], 8 | parserOptions: { 9 | ecmaVersion: 2018, // Allows for the parsing of modern ECMAScript features 10 | sourceType: 'module', // Allows for the use of imports 11 | }, 12 | rules: { 13 | // Place to specify ESLint rules. Can be used to overwrite rules specified from the extended configs 14 | // e.g. "@typescript-eslint/explicit-function-return-type": "off", 15 | }, 16 | }; -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "fabric-wasm-test", 3 | "version": "1.0.0", 4 | "description": "A development-test Wasm runtime for loading in Contracts compiled to Wasm for testing", 5 | "main": "index.js", 6 | "scripts": { 7 | "start": "fwt run /home/matthew/github.com/hyperledgendary/fabric-contract-api-rust/target/wasm32-unknown-unknown/release/basic_contract_rs.wasm" 8 | }, 9 | "bin": { 10 | "fwt": "bin/cli.js" 11 | }, 12 | "keywords": [], 13 | "author": "", 14 | "license": "ISC", 15 | "devDependencies": { 16 | "@types/node": "^14.0.11", 17 | "@typescript-eslint/eslint-plugin": "^3.1.0", 18 | "@typescript-eslint/parser": "^3.1.0", 19 | "eslint": "^6.8.0", 20 | "eslint-config-prettier": "^6.11.0", 21 | "eslint-plugin-prettier": "^3.1.3", 22 | "prettier": "^2.0.5", 23 | "rimraf": "^3.0.2" 24 | }, 25 | "dependencies": { 26 | "chalk": "^3.0.0", 27 | "fabric-ledger-protos-node": "file:fabric-ledger-protos-node-1.0.0.tgz", 28 | "protobufjs": "^6.8.8", 29 | "yargs": "^15.3.1" 30 | } 31 | } 32 | -------------------------------------------------------------------------------- /index.js: -------------------------------------------------------------------------------- 1 | /* 2 | * SPDX-License-Identifier: Apache-2.0 3 | */ 4 | 'use strict'; 5 | 6 | const chalk = require('chalk'); 7 | const WasmRuntime = require('./lib/wasm_pcruntime'); 8 | const { contract_messages , common_messages } = require('fabric-ledger-protos-node'); 9 | 10 | const log = (...args) => { 11 | console.log(chalk.blueBright(`[host] ${args}`)); 12 | }; 13 | 14 | const run = async (pathname) => { 15 | if (!pathname) { 16 | throw new Error('Need a filename'); 17 | } 18 | const runtime = new WasmRuntime(pathname, log); 19 | await runtime.start(); 20 | log('Runtime started'); 21 | log('Exported functions are: ' + Object.keys(runtime.wasm.instance.exports).reduce((c, e) => `${c} ${e}`)); 22 | 23 | // pass the first invoke transaction request 24 | const itr = new contract_messages.InvokeTransactionRequest(); 25 | 26 | itr.setTransactionName('AssetContract:create_asset'); 27 | let args = []; 28 | args.push(Buffer.from("007")); 29 | args.push(Buffer.from('Bond, James Bond')); 30 | itr.setArgsList(args); 31 | 32 | const ctx = new common_messages.TransactionContext(); 33 | 34 | ctx.setChannelId('mychannel'); 35 | ctx.setTransactionId('0xCAFEBABE'); 36 | itr.setContext(ctx) 37 | 38 | runtime.call('InvokeTransaction', Buffer.from(itr.serializeBinary())); 39 | }; 40 | 41 | module.exports.run = run; 42 | module.exports.log = log; -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Logs 2 | logs 3 | *.log 4 | npm-debug.log* 5 | yarn-debug.log* 6 | yarn-error.log* 7 | lerna-debug.log* 8 | 9 | # Diagnostic reports (https://nodejs.org/api/report.html) 10 | report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json 11 | 12 | # Runtime data 13 | pids 14 | *.pid 15 | *.seed 16 | *.pid.lock 17 | 18 | # Directory for instrumented libs generated by jscoverage/JSCover 19 | lib-cov 20 | 21 | # Coverage directory used by tools like istanbul 22 | coverage 23 | *.lcov 24 | 25 | # nyc test coverage 26 | .nyc_output 27 | 28 | # Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files) 29 | .grunt 30 | 31 | # Bower dependency directory (https://bower.io/) 32 | bower_components 33 | 34 | # node-waf configuration 35 | .lock-wscript 36 | 37 | # Compiled binary addons (https://nodejs.org/api/addons.html) 38 | build/Release 39 | 40 | # Dependency directories 41 | node_modules/ 42 | jspm_packages/ 43 | 44 | # TypeScript v1 declaration files 45 | typings/ 46 | 47 | # TypeScript cache 48 | *.tsbuildinfo 49 | 50 | # Optional npm cache directory 51 | .npm 52 | 53 | # Optional eslint cache 54 | .eslintcache 55 | 56 | # Microbundle cache 57 | .rpt2_cache/ 58 | .rts2_cache_cjs/ 59 | .rts2_cache_es/ 60 | .rts2_cache_umd/ 61 | 62 | # Optional REPL history 63 | .node_repl_history 64 | 65 | # Output of 'npm pack' 66 | *.tgz 67 | 68 | # Yarn Integrity file 69 | .yarn-integrity 70 | 71 | # dotenv environment variables file 72 | .env 73 | .env.test 74 | 75 | # parcel-bundler cache (https://parceljs.org/) 76 | .cache 77 | 78 | # Next.js build output 79 | .next 80 | 81 | # Nuxt.js build / generate output 82 | .nuxt 83 | dist 84 | 85 | # Gatsby files 86 | .cache/ 87 | # Comment in the public line in if your project uses Gatsby and *not* Next.js 88 | # https://nextjs.org/blog/next-9-1#public-directory-support 89 | # public 90 | 91 | # vuepress build output 92 | .vuepress/dist 93 | 94 | # Serverless directories 95 | .serverless/ 96 | 97 | # FuseBox cache 98 | .fusebox/ 99 | 100 | # DynamoDB Local files 101 | .dynamodb/ 102 | 103 | # TernJS port file 104 | .tern-port 105 | -------------------------------------------------------------------------------- /_eslintrc: -------------------------------------------------------------------------------- 1 | { 2 | "env": { 3 | "es6": true, 4 | "node": true, 5 | "mocha": true 6 | }, 7 | "extends": "eslint:recommended", 8 | "parserOptions": { 9 | "ecmaVersion": 9, 10 | "sourceType": "module" 11 | }, 12 | "rules": { 13 | "array-bracket-spacing": ["error", "never"], 14 | "arrow-spacing": ["error"], 15 | "brace-style": ["error"], 16 | "comma-spacing": ["error"], 17 | "curly": ["error"], 18 | "dot-notation": ["error"], 19 | "eqeqeq": ["error"], 20 | "indent": [ 21 | "error", 22 | 4, 23 | { 24 | "SwitchCase": 1 25 | } 26 | ], 27 | "keyword-spacing":"error", 28 | "linebreak-style": ["error", "unix"], 29 | "max-len": [ 30 | "error", 31 | { 32 | "code": 150, 33 | "ignoreTrailingComments": true, 34 | "ignoreUrls": true, 35 | "ignoreStrings": true, 36 | "ignoreTemplateLiterals": true, 37 | "ignoreRegExpLiterals": true 38 | } 39 | ], 40 | "no-console": ["warn"], 41 | "no-shadow": ["error"], 42 | "no-throw-literal": ["error"], 43 | "no-trailing-spaces": ["error"], 44 | "no-useless-call": ["error"], 45 | "no-unused-vars": [ 46 | "error", 47 | { 48 | "args": "none" 49 | } 50 | ], 51 | "no-var": ["error"], 52 | "no-with": ["error"], 53 | "object-curly-spacing": ["error", "never"], 54 | "operator-linebreak": ["error"], 55 | "prefer-const": ["error"], 56 | "quotes": ["error", "single"], 57 | "semi": ["error", "always"], 58 | "spaced-comment": ["error", "always"], 59 | "space-before-blocks": [ 60 | "error", 61 | { 62 | "functions": "always", 63 | "keywords": "always", 64 | "classes": "always" 65 | } 66 | ], 67 | "space-infix-ops": ["error"], 68 | "space-in-parens": ["error", "never"], 69 | "yoda": "error" 70 | } 71 | } 72 | 73 | -------------------------------------------------------------------------------- /lib/wasm_pcruntime.js: -------------------------------------------------------------------------------- 1 | /* 2 | * SPDX-License-Identifier: Apache-2.0 3 | */ 4 | 5 | const util = require('util'); 6 | const fs = require('fs'); 7 | const path = require('path'); 8 | const chalk = require('chalk'); 9 | 10 | const {contract_messages, ledger_messages} = require('fabric-ledger-protos-node'); 11 | 12 | class Wasm_PcRuntime { 13 | 14 | constructor(filename, log) { 15 | this.log = log; 16 | this.log(`Loading wasm code from ${filename}`); 17 | const resolvedName = path.resolve(filename); 18 | console; 19 | if (!resolvedName || (resolvedName && resolvedName === '')) { 20 | throw new Error('Need a filename'); 21 | } 22 | if (!fs.existsSync(resolvedName)) { 23 | throw new Error(`File ${resolvedName} does not exist`); 24 | } 25 | this.source = fs.readFileSync(resolvedName); 26 | this.cachegetUint8Memory0 = null; 27 | } 28 | 29 | getUint8Memory0() { 30 | if (this.cachegetUint8Memory0 === null || this.cachegetUint8Memory0.buffer !== this.wasmMemory.buffer) { 31 | this.cachegetUint8Memory0 = new Uint8Array(this.wasmMemory.buffer); 32 | } 33 | return this.cachegetUint8Memory0; 34 | } 35 | 36 | async start() { 37 | const env = { 38 | __memory_base: 0, 39 | tableBase: 0, 40 | memory: new WebAssembly.Memory({ 41 | initial: 256 42 | }), 43 | table: new WebAssembly.Table({ 44 | initial: 0, 45 | element: 'anyfunc' 46 | }), 'wapc': this.wapc 47 | }; 48 | 49 | this.cachedTextDecoder = new util.TextDecoder('utf-8', { ignoreBOM: true, fatal: true }); 50 | const typedArray = new Uint8Array(this.source); 51 | 52 | this.wasm = await WebAssembly.instantiate(typedArray, { 53 | env: env, 54 | 'wapc': { 55 | '__guest_request': (op_ptr, param_ptr) => { 56 | this.log('__guest_request'); 57 | console.log(this.currentFnname.toString()); 58 | this.getUint8Memory0().subarray(op_ptr, op_ptr + this.currentFnname.length).set(this.currentFnname); 59 | this.getUint8Memory0().subarray(param_ptr, param_ptr + this.currentBuffer.length).set(this.currentBuffer); 60 | return 0; 61 | }, 62 | '__guest_error': (ptr, len) => { 63 | // this is a protobuf to be unwrapped 64 | // const retval = Return.decode(this.getUint8Memory0().subarray(ptr, ptr + len), len); 65 | // this.callCtx.reject(retval); 66 | const result = this.cachedTextDecoder.decode(this.getUint8Memory0().subarray(ptr, ptr + len)); 67 | console.log(chalk.keyword('orange')('[rust] ' + result)); 68 | return 1; 69 | }, 70 | '__guest_response': (ptr, len) => { 71 | // this is a protobuf to be unwrapped 72 | // const retval = Return.decode(this.getUint8Memory0().subarray(ptr, ptr + len), len); 73 | // this.callCtx.resolve(retval); 74 | const result = this.cachedTextDecoder.decode(this.getUint8Memory0().subarray(ptr, ptr + len)); 75 | console.log(chalk.keyword('orange')('[rust] ' + result)); 76 | return 1; 77 | }, 78 | '__host_call': (bn_ptr, bn_len, ns_ptr, ns_len, op_ptr, op_len, ptr, len) => { 79 | const bn = this.cachedTextDecoder.decode(this.getUint8Memory0().subarray(bn_ptr, bn_ptr + bn_len)); 80 | const ns = this.cachedTextDecoder.decode(this.getUint8Memory0().subarray(ns_ptr, ns_ptr + ns_len)); 81 | const op = this.cachedTextDecoder.decode(this.getUint8Memory0().subarray(op_ptr, op_ptr + op_len)); 82 | const data = this.cachedTextDecoder.decode(this.getUint8Memory0().subarray(ptr, ptr + len)); 83 | this.log(`___host_call ns=:${ns}: op=:${op}: data=:${data}:`); 84 | return 1; 85 | }, 86 | '__host_response_len': () => { 87 | this.log('__host_response_len'); 88 | return 'Hello from Ferric Oxide!'.length; 89 | }, 90 | '__host_response': (ptr) => { 91 | this.getUint8Memory0().subarray(ptr, ptr + 'Hello from Ferric Oxide!'.length).set(Buffer.from('Hello from Ferric Oxide!', 'utf-8')); 92 | this.log(`__host_response ${ptr}`); 93 | }, 94 | '__host_error_len': () => { 95 | return 42; 96 | }, 97 | '__host_error': (error) => { 98 | console.log(chalk.redBright('[rust] ' + error)); 99 | }, 100 | '__log': (ptr, len) => { 101 | const result = this.cachedTextDecoder.decode(this.getUint8Memory0().subarray(ptr, ptr + len)); 102 | console.log(chalk.keyword('orange')('[rust] ' + result)); 103 | }, 104 | '__console_log': (ptr, len) => { 105 | const result = this.cachedTextDecoder.decode(this.getUint8Memory0().subarray(ptr, ptr + len)); 106 | console.log(chalk.keyword('orange')('[rust] ' + result)); 107 | } 108 | } 109 | }); 110 | 111 | this.wasmMemory = this.wasm.instance.exports.memory; 112 | 113 | // test the logging actually works 114 | // this.wasm.instance.exports.invoke_log(); 115 | return this; 116 | } 117 | 118 | async call(fnname, buffer) { 119 | const fnnameBuffer = Buffer.from(fnname, 'utf-8'); 120 | this.log(`${fnname} ${buffer.length}`); 121 | 122 | this.currentFnname = fnnameBuffer; 123 | this.currentBuffer = buffer; 124 | this.callCtx = {}; 125 | this.callCtx.p = new Promise((resolve, reject) => { 126 | this.callCtx.resolve = resolve; 127 | this.callCtx.reject = reject; 128 | }); 129 | const rc = this.wasm.instance.exports.__guest_call(fnnameBuffer.length, buffer.length); 130 | return this.callCtx.p; 131 | } 132 | 133 | 134 | } 135 | 136 | module.exports = Wasm_PcRuntime; 137 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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