embark/lib/compiler.js

51 lines
1.4 KiB
JavaScript

var shelljs = require('shelljs');
var shelljs_global = require('shelljs/global');
var web3 = require('web3');
Compiler = function(blockchainConfig) {
this.blockchainConfig = blockchainConfig;
};
Compiler.prototype.init = function(env) {
var config = this.blockchainConfig.config(env);
try {
web3.setProvider(new web3.providers.HttpProvider("http://" + config.rpcHost + ":" + config.rpcPort));
primaryAddress = web3.eth.coinbase;
web3.eth.defaultAccount = primaryAddress;
} catch (e) {
throw new Error("can't connect to " + config.rpcHost + ":" + config.rpcPort + " check if an ethereum node is running");
}
console.log("address is : " + primaryAddress);
};
Compiler.prototype.compile = function(contractFile) {
var cmd, result, output, json, compiled_object;
cmd = "solc --input-file " + contractFile + " --combined-json binary,json-abi";
result = exec(cmd, {silent: true});
output = result.output;
if (result.code === 1) {
throw new Error(result.output);
}
json = JSON.parse(output).contracts;
compiled_object = {}
for (var className in json) {
var contract = json[className];
compiled_object[className] = {};
compiled_object[className].code = contract.binary;
compiled_object[className].info = {};
compiled_object[className].info.abiDefinition = JSON.parse(contract["json-abi"]);
}
return compiled_object;
};
module.exports = Compiler;