Release 2.2.0 #65
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Release 2.2.0 #65
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Add `WebSocket` object and support native events for function arguments (needed to get `data`). Websockets are automatically closed when a VM instance is stopped.
Example using WebSocket for the FT transfer events. It handles reconnects.
```jsx
if (state.ws === undefined) {
const eventsFilter = {
status: "SUCCESS",
event: {
event: "ft_transfer",
},
};
function startWebSocket(processEvents) {
let ws = State.get().ws;
if (ws) {
ws.close();
return;
}
ws = new WebSocket("wss://events.near.stream/ws");
ws.onopen = () => {
console.log(`Connection to WS has been established`);
ws.send(
JSON.stringify({
secret: "near-social-events",
filter: eventsFilter,
fetch_past_events: 10,
})
);
};
ws.onclose = () => {
State.update({ ws: null });
console.log(`WS Connection has been closed`);
State.get().startWebSocket(processEvents);
};
ws.onmessage = (e) => {
const data = JSON.parse(e.data);
processEvents(data.events);
};
ws.onerror = (err) => {
State.update({ ws: null });
console.log("WebSocket error", err);
};
State.update({ ws });
}
function processEvent(event) {
return {
time: new Date(parseFloat(event.block_timestamp) / 1e6),
event: event.event,
accountId: event.account_id,
predecessorId: event.predecessor_id,
};
}
function processEvents(events) {
events = events.flatMap(processEvent);
events.reverse();
State.update((state) => {
const prevActions = state.actions || [];
state.actions = [
...events.filter(
(event) =>
prevActions.length === 0 ||
event.time.getTime() > prevActions[0].time.getTime()
),
...prevActions,
].slice(0, 10);
return state;
});
}
State.init({
startWebSocket,
});
state.startWebSocket(processEvents);
}
return state.actions;
```
**Note, this PR is based on top of a fix for the legacy function call creation.** https://github.com/NearSocial/VM/tree/fix/legacy-function-call-creator
Fixes #35
chore: switch to pagoda's higher capcity public archival node
_BETA_: Introduce `VM.require`. This is a new API that allows to retrieve a module source from the Social DB, execute it and return the results.
Note, this should be considered a beta feature and the API and the functionality might change.
`VM.require(src)` takes a `src` the path for the source code of the module.
The `src` argument may contain the source version by including the `blockHeight`. E.g. `VM.require("mob.near/widget/Module.Abc@91698491")` to get the source code at block height `91698491`.
Module example:
```jsx
function Magic(props) {
return <div>Magic: {props.children}</div>;
}
return { Magic };
```
Widget example:
```jsx
const { Magic } = VM.require("mob.near/widget/Module.Magic");
return <Magic>Hello World</Magic>;
```
…performance degraded significantly
Revert archival node
calebjacob
approved these changes
May 18, 2023
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2.2.0
VM.require. This is a new API that allows to retrieve a module source from the Social DB, execute it and return the results.Note, this should be considered a beta feature and the API and the functionality might change.
VM.require(src)takes asrcthe path for the source code of the module.The
srcargument may contain the source version by including theblockHeight. E.g.VM.require("mob.near/widget/Module.Abc@91698491")to get the source code at block height91698491.Module example:
Widget example:
WebSocketobject and support native events for function arguments (needed to getdata). Websockets are automatically closed when a VM instance is stopped.