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Overview
Tether or USDT is an ERC20 stablecoin. Which means that it is pegged with a fiat currecny or other stable asset. In USDT's case, it is pegged with the US dollar 1:1.
To learn more about Tether and other Tether tokens check thier website.
Tether (USDT) Liquidity Added
Launched in 2014, Tether (USDT) has been one of the most used stablecoins. To track whenever liquidity is added to the Tether (USDT) smart contract, we'll need to track the transactions coming from the Tether (USDT) treasury to the Tether (USDT) smart contract.
To create our expression, we will need to target two values:
- The Tether (USDT) Treasury - We will be tracking the transactions going out of the Tether (USDT) Treasury. This value gets set as the
tx_from, as we will be looking for any transactions originating from this address (contract). - The Tether (USDT) Smart contract - We will add a and condition to only track transactions originating from the Treasury to the Tether (USDT) Smart contract. This value gets set as the
tx_to, as we will be looking for any transactions coming to this address (contract).