mirror of https://github.com/embarklabs/embark.git
38 lines
1.5 KiB
JavaScript
38 lines
1.5 KiB
JavaScript
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/* global EmbarkJS */
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import {detectSeries} from 'async';
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let __embarkStorage = {};
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__embarkStorage.setProviders = async function (dappConnOptions) {
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try {
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await detectSeries(dappConnOptions, async (dappConn, callback) => {
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if(dappConn === '$BZZ' || dappConn.provider === 'swarm'){
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let options = dappConn;
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if(dappConn === '$BZZ') options = {"useOnlyGivenProvider": true};
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try{
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await EmbarkJS.Storage.setProvider('swarm', options);
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let isAvailable = await EmbarkJS.Storage.isAvailable();
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callback(null, isAvailable);
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}catch(err){
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callback(null, false); // catch errors for when bzz object not initialised but config has requested it to be used
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}
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}
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else if(dappConn.provider === 'ipfs') {
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// set the provider then check the connection, if true, use that provider, else, check next provider
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try{
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await EmbarkJS.Storage.setProvider('ipfs', dappConn);
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let isAvailable = await EmbarkJS.Storage.isAvailable();
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callback(null, isAvailable);
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} catch(err) {
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callback(null, false); // catch but keep looping by not passing err to callback
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}
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}
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}, function(err, result){
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if(!result) throw new Error('Could not connect to a storage provider using any of the dappConnections in the storage config');
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});
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} catch (err) {
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throw new Error('Failed to connect to a storage provider: ' + err.message);
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}
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};
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