Generate a Key Pair, generate a cosmos addr, submit a tx to the Faucet.

NewPromise creates new Promise.

NewTxListener creates a WebSocket client for CometBFT rpc.

Fulfiller fullfils a Promise.

Note is a text owned by some User.

Promise represents a value which will be produced The result will be either an error or a result.

TxListener connects to a CometBFT node RPC serv and subscribes as a liestener to Txs Multiplexes Txs to different listeners - only one listener per tx.