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