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105 lines
3.2 KiB
105 lines
3.2 KiB
#!/bin/sh |
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# This spell facilitates the setting of the configurations for thy Bitcoin system. |
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# Function to check if a command needs to be run with sudo |
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retry_with_sudo() { |
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echo "Permission denied. Invoking the power of the super user..." |
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sudo "$@" |
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if [ $? -ne 0 ]; then |
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echo "Failed to execute with elevated privileges. Make certain thou hast the necessary permissions and try again." |
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exit 1 |
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fi |
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} |
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# Handle Ctrl-C |
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#trap "printf '\n'; exit 2" 2 |
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# Create bitcoin directory and configuration file if they do not exist |
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mkdir -p "$HOME/.bitcoin" |
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touch "$HOME/.bitcoin/bitcoin.conf" |
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# Bitcoin defaults |
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defaults="proxy=127.0.0.1:9050 |
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listen=1 |
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bind=127.0.0.1 |
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disablewallet=1 |
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zmqpubrawblock=tcp://127.0.0.1:28332 |
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zmqpubrawtx=tcp://127.0.0.1:28333" |
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bitcoin_conf="$HOME/.bitcoin/bitcoin.conf" |
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# If the file was just created (is empty), write defaults |
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if [ ! -s "$bitcoin_conf" ]; then |
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echo "$defaults" > "$bitcoin_conf" |
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else |
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ask_yn "Would you like to reset the bitcoin.conf file to defaults?" "n" |
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reset_conf=$? |
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if [ "$reset_conf" = 0 ]; then |
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echo "$defaults" > "$bitcoin_conf" |
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fi |
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fi |
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# Function to modify bitcoin.conf using awk |
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modify_bitcoin_conf() { |
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local key=$1 |
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local value=$2 |
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awk -v key="$key" -v value="$value" 'BEGIN {found=0} !/^#/ && $1==key {found=1; print key"="value; next} {print} END {if (!found) print key"="value; print ""}' "$bitcoin_conf" > "$bitcoin_conf.tmp" && mv "$bitcoin_conf.tmp" "$bitcoin_conf" || retry_with_sudo mv "$bitcoin_conf.tmp" "$bitcoin_conf" |
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} |
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# Pruning question and storage amount |
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ask_yn "Wouldst thou like to enable pruning? Pruning allows thee to reduce disk usage by discarding some transaction history." "y" |
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prune=$? |
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if [ "$prune" = 0 ]; then |
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modify_bitcoin_conf "prune" "1" |
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valid_number=false |
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while [ "$valid_number" = false ]; do |
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printf "What is the maximum disk space thou art willing to dedicate to Bitcoin in GB? (Type a number) [default: 500]: " |
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read -r max_disk |
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if [ -z "$max_disk" ]; then |
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max_disk=500 |
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valid_number=true |
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elif validate_number "$max_disk"; then |
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valid_number=true |
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else |
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printf "Invalid input. Please enter a valid number.\n" |
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fi |
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done |
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# Convert GB to MB |
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max_mem=$((max_disk * 1024)) |
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modify_bitcoin_conf "dbcache" "$max_mem" |
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else |
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modify_bitcoin_conf "prune" "0" |
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fi |
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# Network selection |
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ask_yn "Art thou operating on the main Bitcoin network?" "y" |
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mainnet=$? |
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if [ "$mainnet" = 0 ]; then |
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modify_bitcoin_conf "testnet" "0" |
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else |
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modify_bitcoin_conf "testnet" "1" |
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fi |
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# Blockchain storage location |
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default_data_dir="$HOME/.bitcoin/blocks" |
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modify_bitcoin_conf "datadir" "$default_data_dir" |
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ask_yn "Wouldst thou like to store the blockchain in the default location ($default_data_dir)?" "y" |
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alt_storage=$? |
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if [ "$alt_storage" = 1 ]; then |
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while true; do |
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printf "Please type the alternate path thou wouldst like to use for blockchain storage: " |
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read -r alt_path |
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if validate-path "$alt_path"; then |
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break |
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else |
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printf "That's not a valid UNIX path string. " |
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fi |
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done |
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modify_bitcoin_conf "datadir" "$alt_path" |
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fi |
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printf "Bitcoin configuration has been updated.\n" |