Adding parameter to solcjs for the optimizer run option

Author: rorye

solcjs

@@ -15,16 +15,31 @@ process.removeAllListeners('uncaughtException');
 var commander = require('commander');
 
 const program = new commander.Command();
+const commanderParseInt = function(value) {
+  const parsedValue = parseInt(value, 10);
+  if (isNaN(parsedValue)) {
+    throw new commander.InvalidArgumentError("Not a valid integer.");
+  }
+  return parsedValue;
+};
+
 program.name('solcjs');
 program.version(solc.version());
 program
   .option('--version', 'Show version and exit.')
   .option('--optimize', 'Enable bytecode optimizer.', false)
+  .option(
+    '--optimize-runs <optimize-runs>',
+    'The number of runs specifies roughly how often each opcode of the deployed code will be executed across the lifetime of the contract. ' +
+    'Lower values will optimize more for initial deployment cost, higher values will optimize more for high-frequency usage.',
+    commanderParseInt
+  )
   .option('--bin', 'Binary of the contracts in hex.')
   .option('--abi', 'ABI of the contracts.')
   .option('--standard-json', 'Turn on Standard JSON Input / Output mode.')
   .option('--base-path <path>', 'Automatically resolve all imports inside the given path.')
   .option('-o, --output-dir <output-directory>', 'Output directory for the contracts.');
+
 program.parse(process.argv);
 const options = program.opts();
 
@@ -131,7 +146,8 @@ var output = JSON.parse(solc.compile(JSON.stringify({
   language: 'Solidity',
   settings: {
     optimizer: {
-      enabled: options.optimize
+      enabled: options.optimize,
+      runs: options.optimizeRuns,
     },
     outputSelection: {
       '*': {

test/cli.js

@@ -37,6 +37,19 @@ tape('CLI', function (t) {
     spt.end();
   });
 
+  t.test('--bin --optimize-runs 666', function (st) {
+    var spt = spawn(st, './solcjs --bin --optimize-runs 666 test/resources/fixtureSmoke.sol');
+    spt.stderr.empty();
+    spt.succeeds();
+    spt.end();
+  });
+
+  t.test('--bin --optimize-runs not-a-number', function (st) {
+    var spt = spawn(st, './solcjs --bin --optimize-runs not-a-number test/resources/fixtureSmoke.sol');
+    spt.stderr.match(/^error: option '--optimize-runs <optimize-runs>' argument 'not-a-number' is invalid/);
+    spt.end();
+  });
+
   t.test('invalid file specified', function (st) {
     var spt = spawn(st, './solcjs --bin test/fileNotFound.sol');
     spt.stderr.match(/^Error reading /);