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ws-provider.md

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WebSocket Provider

Provider based on WS JSON-RPC requests.

new WSProvider

Creates a new instance of the WebSocket Provider

Parameters

  • baseURL string the WS URL of the node
  • requestTimeout number the timeout for the WS request (in MS)

Usage

new WSProvider('ws://test3.gno.land:36657/ws');
// provider with WS connection is created

closeConnection

Closes the WS connection. Required when done working with the WS provider

Usage

const wsProvider = new WSProvider('ws://test3.gno.land:36657/ws');

wsProvider.closeConnection();
// WS connection is now closed

sendRequest

Sends a request to the WS connection, and resolves upon receiving the response

Parameters

  • request RPCRequest the RPC request

Returns Promise<RPCResponse<Result>>

Usage

const request: RPCRequest = // ...

const wsProvider = new WSProvider('ws://test3.gno.land:36657/ws');

wsProvider.sendRequest<Result>(request);
// request is sent over the open WS connection

parseResponse

Parses the result from the response

Parameters

  • response RPCResponse<Result> the response to be parsed

Returns Result

Usage

const response: RPCResponse = // ...

const wsProvider = new WSProvider('ws://test3.gno.land:36657/ws');

wsProvider.parseResponse<Result>(response);
// response is parsed

waitForOpenConnection

Waits for the WS connection to be established

Returns Promise<null>

Usage

const wsProvider = new WSProvider('ws://test3.gno.land:36657/ws');

await wsProvider.waitForOpenConnection()
// status of the connection is: CONNECTED