tornado-packages/ethers.js
1
0
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Stall block polling bootstrap when the network is down (#3924).

Browse Source
This commit is contained in:
Richard Moore 2023-03-23 17:08:46 -04:00
parent d661f70f3f
commit 603d47496e
1 changed files with 23 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
src.ts/providers/subscriber-polling.ts
View File

@ -50,23 +50,32 @@ export class PollingBlockSubscriber implements Subscriber {
set pollingInterval(value: number) { this.#interval = value; }
async #poll(): Promise<void> {
const blockNumber = await this.#provider.getBlockNumber();
if (this.#blockNumber === -2) {
this.#blockNumber = blockNumber;
return;
}
try {
const blockNumber = await this.#provider.getBlockNumber();
// @TODO: Put a cap on the maximum number of events per loop?
if (blockNumber !== this.#blockNumber) {
for (let b = this.#blockNumber + 1; b <= blockNumber; b++) {
// We have been stopped
if (this.#poller == null) { return; }
await this.#provider.emit("block", b);
// Bootstrap poll to setup our initial block number
if (this.#blockNumber === -2) {
this.#blockNumber = blockNumber;
return;
}
this.#blockNumber = blockNumber;
// @TODO: Put a cap on the maximum number of events per loop?
if (blockNumber !== this.#blockNumber) {
for (let b = this.#blockNumber + 1; b <= blockNumber; b++) {
// We have been stopped
if (this.#poller == null) { return; }
await this.#provider.emit("block", b);
}
this.#blockNumber = blockNumber;
}
} catch (error) {
// @TODO: Minor bump, add an "error" event to let subscribers
// know things went awry.
//console.log(error);
}
// We have been stopped