mirror of https://github.com/embarklabs/embark.git
107 lines
2.9 KiB
JavaScript
107 lines
2.9 KiB
JavaScript
var shelljs = require('shelljs');
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var shelljs_global = require('shelljs/global');
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var fs = require('fs');
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var solc = require('solc');
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var Compiler = function() {
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};
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Compiler.prototype.compile_solidity = function(contractFiles) {
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var input = {};
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for (var i = 0; i < contractFiles.length; i++){
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// TODO: this depends on the config
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var filename = contractFiles[i].replace('app/contracts/','');
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input[filename] = fs.readFileSync(contractFiles[i]).toString();
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}
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var output = solc.compile({sources: input}, 1);
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if (output.errors) {
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throw new Error ("Solidity errors: " + output.errors);
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}
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var json = output.contracts;
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compiled_object = {};
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for (var className in json) {
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var contract = json[className];
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compiled_object[className] = {};
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compiled_object[className].code = contract.bytecode;
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compiled_object[className].runtimeBytecode = contract.runtimeBytecode;
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compiled_object[className].gasEstimates = contract.gasEstimates;
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compiled_object[className].functionHashes = contract.functionHashes;
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compiled_object[className].abiDefinition = JSON.parse(contract.interface);
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}
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return compiled_object;
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};
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Compiler.prototype.compile_serpent = function(contractFiles) {
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var cmd, result, output, json, compiled_object;
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//TODO: figure out how to compile multiple files and get the correct json
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var contractFile = contractFiles[0];
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cmd = "serpent compile " + contractFile;
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result = exec(cmd, {silent: true});
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code = result.output;
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if (result.code === 1) {
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throw new Error(result.output);
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}
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cmd = "serpent mk_full_signature " + contractFile;
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result = exec(cmd, {silent: true});
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if (result.code === 1) {
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throw new Error(result.output);
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}
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json = JSON.parse(result.output.trim());
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className = contractFile.split('.')[0].split("/").pop();
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for (var i=0; i < json.length; i++) {
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var elem = json[i];
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if (elem.outputs.length > 0) {
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elem.constant = true;
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}
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}
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compiled_object = {};
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compiled_object[className] = {};
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compiled_object[className].code = code.trim();
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compiled_object[className].info = {};
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compiled_object[className].abiDefinition = json;
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return compiled_object;
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};
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Compiler.prototype.compile = function(contractFiles) {
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var solidity = [], serpent = [];
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for (var i = 0; i < contractFiles.length; i++) {
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var contractParts = contractFiles[i].split('.'),
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extension = contractParts[contractParts.length-1];
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if (extension === 'sol') {
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solidity.push(contractFiles[i]);
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}
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else if (extension === 'se') {
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serpent.push(contractFiles[i]);
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}
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else {
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throw new Error("extension not known, got " + extension);
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}
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}
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//TODO: Get these compiling and returning together...problem might come with the JSON objects
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if (solidity.length > 0) return this.compile_solidity(solidity);
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if (serpent.length > 0) return this.compile_serpent(serpent);
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};
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module.exports = Compiler;
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