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Determine if provider supports subscriptiosn

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This commit is contained in:
Richard Ramos 2020-01-20 16:05:27 -04:00
parent dc65a68868
commit f7868aa75f
1 changed files with 5 additions and 5 deletions
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10
src/subspace.js
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@ -14,9 +14,9 @@ import LogSyncer from './logSyncer';
export default class Subspace {
constructor(provider, options = {}) {
if (provider.constructor.name !== "WebsocketProvider") {
console.warn("subspace: it's recommended to use a websocket provider to react to new events");
console.warn("If this provider supports websockets, use {useWebsockets: true} in subspace options");
if (!!provider.on) {
// https://github.com/ethereum/web3.js/blob/1.x/packages/web3-core-subscriptions/src/subscription.js#L205
console.warn("subspace: the current provider doesn't support subscriptions. Falling back to http polling");
}
this.events = new Events();
@ -29,8 +29,8 @@ export default class Subspace {
this.latestBlockNumber = undefined;
this.disableDatabase = options.disableDatabase;
this.networkId = undefined;
this.isWebsocketProvider = provider.constructor.name === "WebsocketProvider" || options.useWebsockets
this.isWebsocketProvider = options.usePolling ? false : !!provider.on;
this.newBlocksSubscription = null;
this.intervalTracker = null;
this.callables = [];