51 lines
1.7 KiB
JavaScript
51 lines
1.7 KiB
JavaScript
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const Handlebars = require('handlebars');
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const fs = require('../../core/fs');
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class ScaffoldingSolidity {
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constructor(embark, options){
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this.embark = embark;
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this.options = options;
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this.embark.registerDappGenerator('solidity', this.build.bind(this));
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}
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_generateFile(contract, templateFilename, extension, data, overwrite){
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const filename = contract.className.toLowerCase() + '.' + extension;
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const filePath = './contracts/' + filename;
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if (!overwrite && fs.existsSync(filePath)){
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throw new Error("file '" + filePath + "' already exists");
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}
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const templatePath = fs.embarkPath('lib/modules/scaffolding-solidity/templates/' + templateFilename);
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const source = fs.readFileSync(templatePath).toString();
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const template = Handlebars.compile(source);
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// Write template
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const result = template(data);
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fs.writeFileSync(filePath, result);
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}
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build(contractDetails, overwrite, cb){
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const {contract, fields} = contractDetails;
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try {
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const filename = contract.className.toLowerCase();
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this._generateFile(contract, 'contract.sol.tpl', 'sol',
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{
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'contractName': contract.className,
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'structName': contract.className + "Struct",
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'fields': Object.keys(fields).map(f => { return {name:f, type:fields[f]}; })
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}, overwrite);
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this.embark.logger.info("contracts/" + filename + ".sol generated");
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cb();
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} catch(error){
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this.embark.logger.error(error.message);
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process.exit(1);
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}
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}
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}
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module.exports = ScaffoldingSolidity;
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