cardanomsg 0.1.2

A module to send ADA with a message in the metadata.

cardanomsg

Send ADA with a message in the metadata using the Cardano blockchain.

Installation

You can install the module using pip:

pip install cardanomsg

Usage

A BlockFrost API account is required (to prevent needing to run the blockchain locally on your PC).

Send message

Send a message in a transaction.

from cardanomsg.transaction import send_message
transaction_hash = send_message("<BLOCKFROST_PROJECT_ID>", "wallet.skey", "<RECIPIENT_ADDRESS>", 1000000, "Hello World")

Get message

Get a message from a transaction.

from cardanomsg.transaction import get_message
message = get_message("<BLOCKFROST_PROJECT_ID>", "079112f6a5192c6eeae57de0607d61e07dea864efc2bbad7aa953795a5c56aae")[0].json_metadata

You can also view the message on the blockchain using Cardanoscan.

https://preview.cardanoscan.io/transaction/079112f6a5192c6eeae57de0607d61e07dea864efc2bbad7aa953795a5c56aae?tab=metadata

Summary | UTXOs | Metadata (1)

Metadata Hash: 2f86fa9fdfcb606ab2b5f060bd125848e45187cf2c798ab389e6a9af98ba8ad1
Public Label: 1
Value: "Hello World"

Create wallet

Create a wallet.

from cardanomsg.wallet import create
result = create()

Two files will be created: wallet.skey and wallet.addr.

The contents of wallet.skey is the secret key with the following format.

{
  "type": "PaymentSigningKeyShelley_ed25519",
  "description": "Payment Signing Key",
  "cborHex": "<SENDER_SECRET_KEY>"
}

License

MIT

Author

Kory Becker http://primaryobjects.com