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/ programSubscribe
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Parameters:
Commitment - (optional) All fields are strings.
Finalized - the node will query the most recent block confirmed by supermajority of the cluster as having reached maximum lockout, meaning the cluster has recognized this block as finalized.
Confirmed - the node will query the most recent block that has been voted on by supermajority of the cluster.
Processed - the node will query its most recent block. Note that the block may not be complete.
encoding - encoding for Account data, either "base58" (slow), "base64", "base64+zstd", or "jsonParsed".
filters - filter results using various filter objects; account must meet all filter criteria to be included in results.
Returns:
number - Subscription id (needed to unsubscribe)
Notification Format:
Code Examples:
import solana
import asyncio
from asyncstdlib import enumerate
from solana.rpc.websocket_api import connect
from solana.publickey import PublicKey
async def main():
async with connect("wss://sample-endpoint-name.network.quiknode.pro/token-goes-here/") as websocket:
await websocket.program_subscribe(PublicKey('22Y43yTVxuUkoRKdm9thyRhQ3SdgQS7c7kB6UNCiaczD'))
first_resp = await websocket.recv()
subscription_id = first_resp.result
async for idx, msg in enumerate(websocket):
print(msg)
asyncio.run(main())
const web3 = require("@solana/web3.js");
(async () => {
const publicKey = new web3.PublicKey(
"22Y43yTVxuUkoRKdm9thyRhQ3SdgQS7c7kB6UNCiaczD"
);
const solanaConnection = new web3.Connection("http://sample-endpoint-name.network.quiknode.pro/token-goes-here/", {
wsEndpoint: "wss://sample-endpoint-name.network.quiknode.pro/token-goes-here/",
});
solanaConnection.onProgramAccountChange(
publicKey,
(updatedProgramInfo, context) =>
console.log("Updated program info: ", updatedProgramInfo),
"confirmed"
);
})();
wscat -c wss://sample-endpoint-name.network.quiknode.pro/token-goes-here/ \
# wait for connection
{
"jsonrpc": "2.0",
"id": 1,
"method": "programSubscribe",
"params": [
"11111111111111111111111111111111",
{
"encoding": "base64",
"commitment": "finalized"
}
]
}