embark-area-51/lib/abi.js

52 lines
1.7 KiB
JavaScript

var ABIGenerator = function(blockchainConfig, contractsManager) {
this.blockchainConfig = blockchainConfig;
this.contractsManager = contractsManager;
this.rpcHost = blockchainConfig.rpcHost;
this.rpcPort = blockchainConfig.rpcPort;
};
ABIGenerator.prototype.generateProvider = function() {
var result = "";
result += "\nif (typeof web3 !== 'undefined' && typeof Web3 !== 'undefined') {";
result += '\n\tweb3 = new Web3(web3.currentProvider);';
result += "\n} else if (typeof Web3 !== 'undefined') {";
result += '\n\tweb3 = new Web3(new Web3.providers.HttpProvider("http://' + this.rpcHost + ':' + this.rpcPort + '"));';
result += '\n}';
result += "\nweb3.eth.defaultAccount = web3.eth.accounts[0];";
return result;
};
ABIGenerator.prototype.generateContracts = function(useEmbarkJS) {
var result = "\n";
for(var className in this.contractsManager.contracts) {
var contract = this.contractsManager.contracts[className];
var abi = JSON.stringify(contract.abiDefinition);
if (useEmbarkJS) {
result += "\n" + className + " = new EmbarkJS.Contract({abi: " + abi + ", address: '" + contract.deployedAddress + "', code: '" + contract.code + "'});";
} else {
result += "\n" + className + "Abi = " + abi + ";";
result += "\n" + className + "Contract = web3.eth.contract(" + className + "Abi);";
result += "\n" + className + " = " + className + "Contract.at('" + contract.deployedAddress + "');";
}
}
return result;
};
ABIGenerator.prototype.generateABI = function(options) {
var result = "";
result += this.generateProvider();
result += this.generateContracts(options.useEmbarkJS);
return result;
};
module.exports = ABIGenerator;