43 lines
1.1 KiB
Markdown
43 lines
1.1 KiB
Markdown
# Switchboard V2 Lite
|
|
|
|
A lightweight library to decode and parse aggregator accounts
|
|
|
|
[](https://www.npmjs.com/package/@switchboard-xyz/sbv2-lite)
|
|
[](https://twitter.com/switchboardxyz)
|
|
|
|
## Install
|
|
|
|
```
|
|
npm i @switchboard-xyz/sbv2-lite
|
|
```
|
|
|
|
## Example
|
|
|
|
```ts
|
|
import SwitchboardProgram from "@switchboard-xyz/sbv2-lite";
|
|
|
|
//
|
|
|
|
const sbv2 = await SwitchboardProgram.loadDevnet();
|
|
|
|
// SOL_USD Aggregator https://switchboard.xyz/explorer
|
|
const solAggregator = new anchor.web3.PublicKey(
|
|
"GvDMxPzN1sCj7L26YDK2HnMRXEQmQ2aemov8YBtPS7vR"
|
|
);
|
|
|
|
const accountInfo = await sbv2.program.provider.connection.getAccountInfo(
|
|
solAggregator
|
|
);
|
|
if (!accountInfo) {
|
|
throw new Error(`failed to fetch account info`);
|
|
}
|
|
|
|
// Get latest value if its been updated in the last 300 seconds
|
|
const latestResult = sbv2.decodeLatestAggregatorValue(accountInfo, 300);
|
|
if (latestResult === null) {
|
|
throw new Error(`failed to fetch latest result for aggregator`);
|
|
}
|
|
console.log(`latestResult: ${latestResult}`);
|
|
// latestResult: 105.673205
|
|
```
|