raspiblitz/home.admin/config.scripts/lnd.signaddress.sh
/rootzoll 45dbdb3b82
Add script for signing messages from specific address (#4582)
* Add script for signing messages from specific address
* use bitcoin-cli to check address
* add CHANGES
2024-05-28 22:42:11 +02:00

50 lines
1.8 KiB
Bash

#!/bin/bash
# This script allows users to sign a message from a specific Bitcoin address
# either by generating a new address or using an existing one.
# Ask if a new address should be generated or an existing one should be entered
read -p "Do you want to generate a new address? (y/n) " generate_new
# 1.a. If generating a new address, ask for the address type
if [ "$generate_new" == "y" ]; then
echo "Generate a wallet new address. Address-types has to be one of:"
echo "1. p2wkh: Pay to witness key hash"
echo "2. np2wkh: Pay to nested witness key hash"
echo "3. p2tr: Pay to taproot pubkey"
read -p "Enter the address type (1-3 or string): " address_type
case "$address_type" in
1|"p2wkh")
address_type="p2wkh"
;;
2|"np2wkh")
address_type="np2wkh"
;;
3|"p2tr")
address_type="p2tr"
;;
*)
echo "Error: Invalid address type."
exit 1
;;
esac
address=$(lncli newaddress $address_type)
address_variable=$(echo $address | jq -r '.address')
else
# 1.b. Check if the manually entered address is valid
read -p "Enter the existing address: " address
if ! bitcoin-cli validateaddress "$address" | grep -q "isvalid\": true"; then
echo "Error: The entered address is not valid."
exit 1
fi
address_variable=$address
fi
# 2. Ask for the message to sign and save it to a variable
read -p "Enter the message to sign: " message_to_sign
# 3. Execute the lncli wallet addresses signmessage command
signature_js=$(lncli wallet addresses signmessage --address $address_variable --msg "$message_to_sign")
signature=$(echo $signature_js | jq -r '.signature')
echo "The address is: $address_variable"
echo "The message to sign is: $message_to_sign"
echo "The signature is: $signature"