embark-area-51/lib/modules/storage/embarkjs.js

37 lines
1.4 KiB
JavaScript

/* global EmbarkJS */
import {findSeries} from 'p-iteration';
let __embarkStorage = {};
__embarkStorage.setProviders = async function (dappConnOptions) {
try {
let workingConnFound = await findSeries(dappConnOptions, async (dappConn) => {
if(dappConn === '$BZZ' || dappConn.provider === 'swarm'){
let options = dappConn;
if(dappConn === '$BZZ') options = {"useOnlyGivenProvider": true};
try{
await EmbarkJS.Storage.setProvider('swarm', options);
let isAvailable = await EmbarkJS.Storage.isAvailable();
return isAvailable;
}catch(err){
return false; // catch errors for when bzz object not initialised but config has requested it to be used
}
}
else if(dappConn.provider === 'ipfs') {
// set the provider then check the connection, if true, use that provider, else, check next provider
try{
await EmbarkJS.Storage.setProvider('ipfs', dappConn);
let isAvailable = await EmbarkJS.Storage.isAvailable();
return isAvailable;
} catch(err) {
return false;
}
}
});
if(!workingConnFound) throw new Error('Could not connect to a storage provider using any of the dappConnections in the storage config');
} catch (err) {
throw new Error('Failed to connect to a storage provider: ' + err.message);
}
};