How to Listen for Speed Up and Cancelled Transactions on Ethereum? | by Szymon Kolber | Mar, 2022

Listening for speed-ups in Metamask be like…
  1. Velocity up,
  2. Cancel.
Velocity up & Cancel actions on Metamask

Very best situation

Blissful state illustration

Ethereum Transaction

Velocity up


Comparability of tx variations

1. Frontend

Steered implementation
Sending a transaction on the frontend

2. Backend

A easy categorical server implementation
  1. From handle,
  2. Nonce,
  3. Transaction hashes.
Node init
Watching transactions mechanism
TxToWatch sniffer

Checking for the transaction outcome

New categorical endpoint, and checkTxHash operate

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