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web3-providers
Advanced tools
This is a sub package of web3.js
npm install web3-providers
You can pass with the options object the timeout and all known HTTP headers.
import {HttpProvider} from 'web3-providers';
const options = {
timeout: 20000,
headers: [
{
name: 'Access-Control-Allow-Origin', value: '*'
},
...
]
};
const httpProvider = new HttpProvider('http://localhost:8545', options);
Instead of setting a authorization header you could also define the credentials over the URL with:
ws://username:password@localhost:8546
import {WebsocketProvider} from 'web3-providers';
const options = {
timeout: 30000,
headers: {
authorization: 'Basic username:password'
}
};
const websocketProvider = new WebsocketProvider('ws://localhost:8546', options);
import {IpcProvider} from 'web3-providers';
import net from 'net';
const ipcProvider = new IpcProvider('/Users/me/Library/Ethereum/geth.ipc', net);
The BatchRequest provides the possibility to send JSON-RPC requests as batch. Please read the documentation for more.
import {ProviderResolver, BatchRequest} 'web3-providers';
const provider = new ProviderResolver().resolve('ws://localhost:8546');
const batchRequest = new BatchRequest(provider);
batchRequest.add(web3.eth.getBalance.request(
'0x0000000000000000000000000000000000000000',
'latest',
callback
));
await batchRequest.execute();
Checks if an provider is given from the environment (Mist, MetaMask) and returns the provider.
import {ProviderDetector} from 'web3-providers';
const givenProvider = ProviderDetector.detect();
The ProviderResolver resolves an url or an given provider object to the correct provider class. Because of the resolves does web3 has internally just one provider interface and we have no direct dependency to third party providers.
import {ProviderResolver} 'web3-providers';
const socketProviderAdapter = new ProviderResolver().resolve('ws://localhost:8546');
All the typescript typings are placed in the types folder.
FAQs
Web3 module to handle requests to external providers.
The npm package web3-providers receives a total of 856 weekly downloads. As such, web3-providers popularity was classified as not popular.
We found that web3-providers demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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