42 lines
1.5 KiB
JavaScript
42 lines
1.5 KiB
JavaScript
let getSimulator = function () {
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try {
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return require('ethereumjs-testrpc');
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} catch (e) {
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if (e.code === 'MODULE_NOT_FOUND') {
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console.log('Simulator not found; Please install it with "npm install ethereumjs-testrpc --save"');
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console.log('IMPORTANT: if you using a NodeJS version older than 6.9.1 then you need to install an older version of testrpc "npm install ethereumjs-testrpc@2.0 --save"');
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console.log('For more information see https://github.com/ethereumjs/testrpc');
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// TODO: should throw exception instead
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return process.exit();
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}
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console.log("==============");
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console.log("Tried to load testrpc but an error occurred. This is a problem with testrpc");
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console.log('IMPORTANT: if you using a NodeJS version older than 6.9.1 then you need to install an older version of testrpc "npm install ethereumjs-testrpc@2.0 --save". Alternatively install node 6.9.1 and the testrpc 3.0');
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console.log("==============");
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throw e;
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}
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};
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class Test {
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constructor(options) {
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let opts = options === undefined ? {} : options;
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opts.logLevel = opts.hasOwnProperty('logLevel') ? opts.logLevel : 'debug';
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opts.simulatorOptions = opts.hasOwnProperty('simulatorOptions') ? opts.simulatorOptions : {};
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let sim = getSimulator();
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}
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newWebThree() {
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try {
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let Web3 = require('web3');
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let web3 = new Web3();
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web3.setProvider(sim.provider(opts.simulatorOptions));
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return web3;
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} catch (e) {
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throw new Error(e);
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}
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}
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}
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module.exports = Test;
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