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The PDNS DB should be the default one according to the PDNS docs http://doc.powerdns.com/generic-mypgsql-backends.html Additionally, a low query-cache should be set so that new nodes are always being returned, and gmysql-any-query should be set to select content,ttl,prio,type,domain_id,name from records where name='%s' order by rand() limit 10
The bitcoin db should be as follows:
SET SQL_MODE="NO_AUTO_VALUE_ON_ZERO";
-- Database: bitcoin
CREATE TABLE IF NOT EXISTS nodes (
ipv4 int(11) NOT NULL,
port smallint(5) unsigned NOT NULL DEFAULT '8333',
last_check timestamp NULL DEFAULT NULL,
accepts_incoming bit(1) NOT NULL DEFAULT b'0',
version int(11) DEFAULT NULL,
last_seen timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
first_up timestamp NULL DEFAULT NULL,
PRIMARY KEY (ipv4,port),
KEY last_check (last_check),
KEY last_seen (last_seen)
);
To bootstrap call php bitcoin-scan.php (the ip of a known-good node)
ie
php bitcoin-scan.php dig +short bluematt.me
warning: this node will end up in the database, so call a node by its public ip
followed by repeated calls to php bitcoin-scan-net.php which will fill the dbs
quite quickly.
bitcoin-scan-net.php should also be put on an appropriate cron job, checking
to make sure it isnt already running (which would just duplicate effort)
TODO: I didnt bother with setting up PDNS to simply pull from the bitcoin db, which is probably more ideal than its own separate db simply becaues I already have a pdns db and server configured. This could be achieved using the appropriate gmysql-*-query settings in pdns.conf
