Advanced execution modes

commands.js

@@ -0,0 +1,12 @@
+"use strict";
+
+const program = require("commander");
+const {version} = require("../package.json");
+
+program
+  .version(version)
+//  .option("-s, --skip-status", "Does not show status after bootstrap")
+//  .option("-hf, --history-file [path]", "File path of commands history file (defaults to $HOME/.web3_repl_history)")
+  .command("repl", "Starts REPL mode", {isDefault: true}).alias("r")
+  .command("eval [expression]", "Executes a single command and quits").alias('e')
+  .parse(process.argv);

components/repl.js

@@ -0,0 +1,21 @@
+const repl = require("repl.js");
+const instarun = require('repl.js/src/evaler/instarun');
+const Console = require('repl.js/src/utilrepl/console');
+
+module.exports = (extensions, historyFile) => {
+  const replServer = repl.start({prompt: "> ", ignoreUndefined: true});
+
+  Object
+    .entries(extensions)
+    .forEach(([key, extension]) => {
+      replServer.context[key] = extension;
+    });
+
+  if (historyFile) 
+    require("repl.history")(replServer, historyFile);
+
+  return {
+    replServer,
+    instarun: (opts) => instarun(replServer, Console.Console({}), opts)
+  };
+}

helpers/printStatus.js → components/ui-helpers/printStatus.js

@@ -1,7 +1,7 @@
 'use strict';
 
 const chalk = require("chalk");
-const { isETCFork } = require("./network");
+const { isETCFork } = require("../network");
 
 const printStatus = web3 => () => {
   try {

components/web3.js

@@ -0,0 +1,25 @@
+"use strict";
+
+const Web3 = require("web3");
+const utils = require("ethereumjs-util");
+const contracts = require("./contracts");
+const printStatus = require("./ui-helpers/printStatus");
+const web3Admin = require("./web3-admin");
+
+const defaultProvider = "http://localhost:8545";
+
+module.exports = (provider) => {
+  const web3 = new Web3(new Web3.providers.HttpProvider(provider || defaultProvider));
+
+  web3Admin.extend(web3);
+
+  const {contract, predefinedContracts} = contracts(web3);
+
+  return {
+    web3,
+    utils,
+    contract,
+    predefinedContracts,
+    status: printStatus(web3)
+  };
+}

index-eval.js

@@ -0,0 +1,32 @@
+"use strict";
+
+const program = require("commander");
+const fs = require("fs");
+const web3 = require("./components/web3");
+const repl = require("./components/repl");
+const printHeader = require("./components/ui-helpers/printHeader");
+
+function runEval(expression, options) {}
+
+program
+  .option("-T, --pipe", "Does not print any status information and quit")
+  .option("-p, --provider [url]", "Web3JS RPC provider")
+  .parse(process.argv);
+
+if (!program.args || program.args.length !== 1) {
+  console.error('Expression required!');
+  process.exit(1);
+}
+
+if (!program.pipe) 
+  printHeader(web3);
+
+const toEval = program.args[0];
+
+const opts = fs.existsSync(toEval)
+  ? { file: toEval, print: true, quit: program.pipe }
+  : { eval: toEval, print: true, quit: program.pipe };
+
+const components = web3(program.provider);
+const {replServer, instarun} = repl(components);
+instarun(opts);

index.js

@@ -1,33 +1,17 @@
 #!/usr/bin/env node
 
-const Web3 = require("web3");
-const utils = require("ethereumjs-util");
 const program = require("commander");
 const chalk = require("chalk");
 const os = require("os");
 const path = require("path");
 
-const repl = require("./repl");
-const contracts = require("./contracts");
+require("./commands");
+return;
 
-const printStatus = require("./helpers/printStatus");
-const printHeader = require("./helpers/printHeader");
-const web3Admin = require("./web3Admin");
+//printHeader();
+//const repl = require("./components/repl");
 
-const package = require("./package.json");
 
-const defaultProvider = "http://localhost:8545";
-
-program
-  .version(package.version)
-  .option("-p, --provider [url]", "Web3JS RPC provider")
-  .option("-s, --skip-status", "Does not show status after bootstrap")
-  .option("-hf, --history-file [path]", "File path of commands history file (defaults to $HOME/.web3_repl_history)")
-  .parse(process.argv);
-
-printHeader();
-
-const web3 = new Web3(new Web3.providers.HttpProvider(program.provider || defaultProvider));
 if (!program.skipStatus) 
   printStatus(web3)();
 
@@ -39,10 +23,12 @@ web3Admin.extend(web3);
 
 const {contract, predefinedContracts} = contracts(web3);
 
-repl({
+const {instarun} = repl({
   web3,
   utils,
   contract,
   predefinedContracts,
   status: printStatus(web3)
 }, historyFile);
+
+instarun({eval: "web3.eth.blockNumber", print: true, quit: true});

package.json

@@ -19,6 +19,7 @@
   "dependencies": {
     "chalk": "1.1.3",
     "commander": "2.9.0",
+    "console-ultimate": "2.9.0",
     "ethereumjs-util": "5.1.2",
     "repl.history": "0.1.4",
     "repl.js": "2.3.7",

repl.js

@@ -1,14 +0,0 @@
-const repl = require("repl.js");
-
-module.exports = (extensions, historyFile) => {
-  const replServer = repl.start({prompt: "> ", ignoreUndefined: true});
-
-  Object
-    .entries(extensions)
-    .forEach(([key, extension]) => {
-      replServer.context[key] = extension;
-    });
-  require("repl.history")(replServer, historyFile);
-
-  return replServer;
-}