Simple Block Explorer

A trivial block explorer written in a single PHP file.

Demo

https://bitcoin.jonasschnelli.ch/explorer/

Features

• Only requires Bitcoin Core (no additional index)
• Does UTXO-set lookups
• Can scan UTXO-set for address balances
• Can scan blockfilters to create a transaction history of given address

Install

• Place the index.php script into a php enabled http docs directory
• Run Bitcoin Core with txindex and blockfilters -txindex -blockfilterindex
• Edit the index.php config section

Nice links

Use mod_rewrite use a propper URL scheme (/block/), etc. Apache users can place a .htaccess file into the same folder as the PHP script.

RewriteEngine On
RewriteRule ^testnet$ index.php?testnet=1 [L,QSA]
RewriteRule ^testnet/$ index.php?testnet=1 [L,QSA]
RewriteRule ^testnet/tx/([a-fA-F0-9]*)$ index.php?testnet=1&tx=$1 [L,QSA]
RewriteRule ^testnet/tx/([a-fA-F0-9]*)/n/([a-fA-F0-9]*)$ index.php?testnet=1&tx=$1&n=$2 [L,QSA]
RewriteRule ^testnet/block/([a-fA-F0-9]*)$ index.php?testnet=1&block=$1 [L,QSA]
RewriteRule ^testnet/block/([a-fA-F0-9]*)/txid/([a-fA-F0-9]*)$ index.php?testnet=1&block=$1&txid=$2 [L,QSA]
RewriteRule ^testnet/height/([0-9]*)$ index.php?testnet=1&search=$1 [L,QSA]
RewriteRule ^tx/([a-fA-F0-9]*)$ index.php?tx=$1 [L,QSA]
RewriteRule ^tx/([a-fA-F0-9]*)/n/([0-9]*)$ index.php?tx=$1&n=$2 [L,QSA]
RewriteRule ^block/([a-fA-F0-9]*)$ index.php?block=$1 [L,QSA]
RewriteRule ^block/([a-fA-F0-9]*)/txid/([a-fA-F0-9]*)$ index.php?block=$1&txid=$2 [L,QSA]
RewriteRule ^height/([0-9]*)$ index.php?search=$1 [L,QSA]
RewriteRule ^testnet/([a-zA-Z0-9]*)$ index.php?testnet=1&$1=1 [L,QSA]
RewriteRule ^([a-zA-Z0-9]*)$ index.php?$1=1 [L,QSA]