Watch TxPool Changes

Poll the txpool and print transactions added or removed between snapshots.

Use txpool watch to poll the pool and print transactions added or removed between snapshots.

This is an RPC polling command. It does not subscribe to internal Reth txpool events.

Command

rex txpool watch

By default, the command polls every 2 seconds until you stop it with Ctrl-C.

Run a fixed number of polls:

rex txpool watch \
  --interval 1 \
  --iterations 5

Example Output

TXPOOL WATCH

Polling every 1s. Press Ctrl-C to stop.

Poll 1
Pending: 0
Queued:  1
Total:   1
Initial snapshot.

Poll 2
Pending: 1
Queued:  1
Total:   2
Added:   1
STATUS     NONCE    TYPE         FEE BID            SENDER                                       HASH
pending    1        eip-1559     1.000 gwei         0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266   0xabc...
Removed: 0

When To Use It

watch is useful while sending transactions from another terminal:

• submit a missing nonce and observe queued transactions become pending
• submit a replacement and observe whether the old hash disappears
• watch whether a dev node mines or clears the pool

For deeper real-time txpool events, Rex would eventually need a direct Reth integration instead of JSON-RPC polling.