How to use @zilliqa-js/subscriptions - 9 common examples
To help you get started, we’ve selected a few @zilliqa-js/subscriptions examples, based on popular ways it is used in public projects.
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Zilliqa / Zilliqa-JavaScript-Library / examples / newTxBlockSubscriptions.js View on Github 
async function test() {
// first run `python websocket.py` to start websocket server locally
const zilliqa = new Zilliqa('https://dev-api.zilliqa.com');
const subscriber = zilliqa.subscriptionBuilder.buildNewBlockSubscriptions(
'ws://',
);
subscriber.emitter.on(StatusType.SUBSCRIBE_NEW_BLOCK, (event) => {
console.log('get SubscribeNewBlock echo: ', event);
});
subscriber.emitter.on(MessageType.NEW_BLOCK, (event) => {
console.log('get new block: ', event.value.TxBlock.header);
});
subscriber.emitter.on(MessageType.UNSUBSCRIBE, (event) => {
console.log('get unsubscribe event: ', event);
});
subscriber.emitter.on(SocketConnect.CLOSE, (event) => {
console.log('get socket close: ', event);
});
subscriber.emitter.on(SocketConnect.ERROR, (event) => {
console.log('get socket error: ', event);
});
await subscriber.start();
// await subscriber.stop();
}async function test() {
// first run `python websocket.py` to start websocket server locally
const zilliqa = new Zilliqa('https://dev-api.zilliqa.com');
const subscriber = zilliqa.subscriptionBuilder.buildEventLogSubscriptions(
'ws://',
{
addresses: [
'0x2ce491a0fd9e318b39172258101b7c836da7449b',
'0x167e3980e04eab1e89ff84523ae8c77e008932dc',
],
},
);
subscriber.emitter.on(StatusType.SUBSCRIBE_EVENT_LOG, (event) => {
console.log('get SubscribeEventLog echo: ', event);
});
subscriber.emitter.on(MessageType.EVENT_LOG, (event) => {
console.log('get new event log: ', JSON.stringify(event));
});
subscriber.emitter.on(MessageType.UNSUBSCRIBE, (event) => {
console.log('get unsubscribe event: ', event);
});
await subscriber.start();
// await subscriber.stop();
}async function test() {
// first run `python websocket.py` to start websocket server locally
const zilliqa = new Zilliqa('https://dev-api.zilliqa.com');
const subscriber = zilliqa.subscriptionBuilder.buildNewBlockSubscriptions(
'ws://',
);
subscriber.emitter.on(StatusType.SUBSCRIBE_NEW_BLOCK, (event) => {
console.log('get SubscribeNewBlock echo: ', event);
});
subscriber.emitter.on(MessageType.NEW_BLOCK, (event) => {
console.log('get new block: ', event.value.TxBlock.header);
});
subscriber.emitter.on(MessageType.UNSUBSCRIBE, (event) => {
console.log('get unsubscribe event: ', event);
});
subscriber.emitter.on(SocketConnect.CLOSE, (event) => {
console.log('get socket close: ', event);
});
subscriber.emitter.on(SocketConnect.ERROR, (event) => {
console.log('get socket error: ', event);
});
await subscriber.start();async function test() {
// first run `python websocket.py` to start websocket server locally
const zilliqa = new Zilliqa('https://dev-api.zilliqa.com');
const subscriber = zilliqa.subscriptionBuilder.buildEventLogSubscriptions(
'ws://',
{
addresses: [
'0x2ce491a0fd9e318b39172258101b7c836da7449b',
'0x167e3980e04eab1e89ff84523ae8c77e008932dc',
],
},
);
subscriber.emitter.on(StatusType.SUBSCRIBE_EVENT_LOG, (event) => {
console.log('get SubscribeEventLog echo: ', event);
});
subscriber.emitter.on(MessageType.EVENT_LOG, (event) => {
console.log('get new event log: ', JSON.stringify(event));
});
subscriber.emitter.on(MessageType.UNSUBSCRIBE, (event) => {
console.log('get unsubscribe event: ', event);
});
await subscriber.start();
// await subscriber.stop();
}async function test() {
// first run `python websocket.py` to start websocket server locally
const zilliqa = new Zilliqa('https://dev-api.zilliqa.com');
const subscriber = zilliqa.subscriptionBuilder.buildNewBlockSubscriptions(
'ws://',
);
subscriber.emitter.on(StatusType.SUBSCRIBE_NEW_BLOCK, (event) => {
console.log('get SubscribeNewBlock echo: ', event);
});
subscriber.emitter.on(MessageType.NEW_BLOCK, (event) => {
console.log('get new block: ', event.value.TxBlock.header);
});
subscriber.emitter.on(MessageType.UNSUBSCRIBE, (event) => {
console.log('get unsubscribe event: ', event);
});
subscriber.emitter.on(SocketConnect.CLOSE, (event) => {
console.log('get socket close: ', event);
});
subscriber.emitter.on(SocketConnect.ERROR, (event) => {const subscriber = zilliqa.subscriptionBuilder.buildEventLogSubscriptions(
'ws://',
{
addresses: [
'0x2ce491a0fd9e318b39172258101b7c836da7449b',
'0x167e3980e04eab1e89ff84523ae8c77e008932dc',
],
},
);
subscriber.emitter.on(StatusType.SUBSCRIBE_EVENT_LOG, (event) => {
console.log('get SubscribeEventLog echo: ', event);
});
subscriber.emitter.on(MessageType.EVENT_LOG, (event) => {
console.log('get new event log: ', JSON.stringify(event));
});
subscriber.emitter.on(MessageType.UNSUBSCRIBE, (event) => {
console.log('get unsubscribe event: ', event);
});
await subscriber.start();
// await subscriber.stop();
}const subscriber = zilliqa.subscriptionBuilder.buildNewBlockSubscriptions(
'ws://',
);
subscriber.emitter.on(StatusType.SUBSCRIBE_NEW_BLOCK, (event) => {
console.log('get SubscribeNewBlock echo: ', event);
});
subscriber.emitter.on(MessageType.NEW_BLOCK, (event) => {
console.log('get new block: ', event.value.TxBlock.header);
});
subscriber.emitter.on(MessageType.UNSUBSCRIBE, (event) => {
console.log('get unsubscribe event: ', event);
});
subscriber.emitter.on(SocketConnect.CLOSE, (event) => {
console.log('get socket close: ', event);
});
subscriber.emitter.on(SocketConnect.ERROR, (event) => {
console.log('get socket error: ', event);
});
await subscriber.start();
// await subscriber.stop();
}console.log('get SubscribeNewBlock echo: ', event);
});
subscriber.emitter.on(MessageType.NEW_BLOCK, (event) => {
console.log('get new block: ', event.value.TxBlock.header);
});
subscriber.emitter.on(MessageType.UNSUBSCRIBE, (event) => {
console.log('get unsubscribe event: ', event);
});
subscriber.emitter.on(SocketConnect.CLOSE, (event) => {
console.log('get socket close: ', event);
});
subscriber.emitter.on(SocketConnect.ERROR, (event) => {
console.log('get socket error: ', event);
});
await subscriber.start();
// await subscriber.stop();
}constructor(node: string, websocket: string, provider?: Provider) {
this.provider = provider || new HTTPProvider(node);
this.wallet = new Wallet(this.provider);
this.blockchain = new Blockchain(this.provider, this.wallet);
this.network = new Network(this.provider, this.wallet);
this.contracts = new Contracts(this.provider, this.wallet);
this.transactions = new TransactionFactory(this.provider, this.wallet);
this.newTxBlockSubscription = new NewTxBlockSubscription(websocket);
}
}@zilliqa-js/subscriptions
Class(es) for interactiong with websocket API of Zilliqa node
Package Health Score
69 / 100Popular @zilliqa-js/subscriptions functions
- @zilliqa-js/subscriptions.MessageType.EVENT_LOG
- @zilliqa-js/subscriptions.MessageType.NEW_BLOCK
- @zilliqa-js/subscriptions.MessageType.UNSUBSCRIBE
- @zilliqa-js/subscriptions.NewTxBlockSubscription
- @zilliqa-js/subscriptions.SocketConnect.CLOSE
- @zilliqa-js/subscriptions.SocketConnect.ERROR
- @zilliqa-js/subscriptions.StatusType.SUBSCRIBE_EVENT_LOG
- @zilliqa-js/subscriptions.StatusType.SUBSCRIBE_NEW_BLOCK