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from time to time I need to sign a message from a specific address.
One commone use case could be, if one wants to buy bitcoin via PocketBitcoin App.
The process needs you to verify ownership via signing a message from a specific address.
I developed a small helpful script that achieves this with ease.
Overview / Summary
Get address (either input manually and verify or generate a new one)
Enter message
Returns the signature
Suggestion
This might be useful for other people, it might could be added with an alias such as sign or pocket
#!/bin/bash# 1. Ask if a new address should be generated or an existing one should be enteredread -p "Do you want to generate a new address? (y/n) " generate_new
# 1.a. If generating a new address, ask for the address typeif [ "$generate_new"=="y" ];thenecho"Generate a wallet new address. Address-types has to be one of:"echo"1. p2wkh: Pay to witness key hash"echo"2. np2wkh: Pay to nested witness key hash"echo"3. p2tr: Pay to taproot pubkey"read -p "Enter the address type (1-3 or string): " address_type
case"$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 $address| jq -r '.address')else# 1.b. Check if the manually entered address is validread -p "Enter the existing address: " address
if! lncli validateaddress "$address"| grep -q "isvalid: true";thenecho"Error: The entered address is not valid."exit 1
fi
address_variable=$addressfi# 2. Ask for the message to sign and save it to a variableread -p "Enter the message to sign: " message_to_sign
# 3. Execute the lncli wallet addresses signmessage command
signature_js=$(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"
The text was updated successfully, but these errors were encountered:
Hi,
Purpose
from time to time I need to sign a message from a specific address.
One commone use case could be, if one wants to buy bitcoin via PocketBitcoin App.
The process needs you to verify ownership via signing a message from a specific address.
I developed a small helpful script that achieves this with ease.
Overview / Summary
Suggestion
This might be useful for other people, it might could be added with an alias such as
sign
orpocket
The text was updated successfully, but these errors were encountered: