Function watchTransfers

watchTransfers(
    client: HoodClient,
    args: {
        onError?: (error: Error) => void;
        pollingInterval?: number;
        token: `0x${string}`;
    },
    onTransfer: (transfer: TokenTransfer) => void,
): () => void
Simpler event stream for consumers who don't need the firehose: watch confirmed Transfer logs for a token over RPC polling.
Parameters
- client: HoodClient
- args: {
      onError?: (error: Error) => void;
      pollingInterval?: number;
      token: `0x${string}`;
  }
- onTransfer: (transfer: TokenTransfer) => void
Returns () => void
An unwatch function.
Example: Watch USDG transfers
```
const unwatch = watchTransfers(hood, { token: MAINNET_ADDRESSES.usdg }, (t) => {
  console.log(`${t.from} → ${t.to}: ${formatUsdg(t.value)} USDG`)
})
```
- Defined in src/feed.ts:234