73 lines
2.5 KiB
JavaScript
73 lines
2.5 KiB
JavaScript
var Plugins = require('./plugins.js');
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var ABIGenerator = function(options) {
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this.blockchainConfig = options.blockchainConfig || {};
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this.contractsManager = options.contractsManager;
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this.rpcHost = options.blockchainConfig && options.blockchainConfig.rpcHost;
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this.rpcPort = options.blockchainConfig && options.blockchainConfig.rpcPort;
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this.plugins = options.plugins || new Plugins({});
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};
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ABIGenerator.prototype.generateProvider = function() {
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var self = this;
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var result = "";
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var providerPlugins = this.plugins.getPluginsFor('clientWeb3Provider');
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if (providerPlugins.length > 0) {
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providerPlugins.forEach(function(plugin) {
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result += plugin.generateProvider(self) + "\n";
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});
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} else {
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result += "\nif (typeof web3 !== 'undefined' && typeof Web3 !== 'undefined') {";
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result += '\n\tweb3 = new Web3(web3.currentProvider);';
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result += "\n} else if (typeof Web3 !== 'undefined') {";
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result += '\n\tweb3 = new Web3(new Web3.providers.HttpProvider("http://' + this.rpcHost + ':' + this.rpcPort + '"));';
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result += '\n}';
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result += "\nweb3.eth.defaultAccount = web3.eth.accounts[0];";
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}
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return result;
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};
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ABIGenerator.prototype.generateContracts = function(useEmbarkJS) {
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var self = this;
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var result = "\n";
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var contractsPlugins = this.plugins.getPluginsFor('contractGeneration');
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if (contractsPlugins.length > 0) {
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contractsPlugins.forEach(function(plugin) {
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result += plugin.generateContracts({contracts: self.contractsManager.contracts});
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});
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} else {
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for(var className in this.contractsManager.contracts) {
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var contract = this.contractsManager.contracts[className];
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var abi = JSON.stringify(contract.abiDefinition);
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var gasEstimates = JSON.stringify(contract.gasEstimates);
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if (useEmbarkJS) {
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result += "\n" + className + " = new EmbarkJS.Contract({abi: " + abi + ", address: '" + contract.deployedAddress + "', code: '" + contract.code + "', gasEstimates: " + gasEstimates + "});";
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} else {
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result += "\n" + className + "Abi = " + abi + ";";
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result += "\n" + className + "Contract = web3.eth.contract(" + className + "Abi);";
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result += "\n" + className + " = " + className + "Contract.at('" + contract.deployedAddress + "');";
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}
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}
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}
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return result;
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};
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ABIGenerator.prototype.generateABI = function(options) {
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var result = "";
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result += this.generateProvider();
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result += this.generateContracts(options.useEmbarkJS);
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return result;
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};
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module.exports = ABIGenerator;
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