embark-area-51/lib/compiler.js

105 lines
2.6 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_solidity = 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;
}
Compiler.prototype.compile_serpent = function(contractFile) {
var cmd, result, output, json, compiled_object;
cmd = "serpent compile " + contractFile;
result = exec(cmd, {silent: true});
code = result.output;
if (result.code === 1) {
throw new Error(result.output);
}
cmd = "serpent mk_full_signature " + contractFile;
result = exec(cmd, {silent: true});
if (result.code === 1) {
throw new Error(result.output);
}
json = JSON.parse(result.output.trim());
className = contractFile.split('.')[0].split("/").pop();
for (var i=0; i < json.length; i++) {
var elem = json[i];
if (elem.outputs.length > 0) {
elem.constant = true;
}
}
compiled_object = {}
compiled_object[className] = {};
compiled_object[className].code = code.trim();
compiled_object[className].info = {};
compiled_object[className].info.abiDefinition = json;
return compiled_object;
}
Compiler.prototype.compile = function(contractFile) {
var extension = contractFile.split('.')[1];
if (extension === 'sol') {
return this.compile_solidity(contractFile);
}
else if (extension === 'se') {
return this.compile_serpent(contractFile);
}
else {
throw new Error("extension not known");
}
};
module.exports = Compiler;