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|
The exchange for the Taler payment system.
Building this package on Slackware 15.0 requires:
- Postgres 15.x or greater, slackbuilds.org has version 14.x.
- Build a newer version of llvm, by setting CC=clang, and installing llvm from Slackware Current.
- The pre-release version of Gnunet.
Installing this package automatically creates a number of supporting system
users for the exchange. All are listed in the 'taler-exchange' user group.
The taler exchange runs in a system of services, and a postgres database must
be configured to service them. The setup described here assumes postgres was
installed with using 'Peer authentication' by default (omitting '-A md5' when
running 'initdb' after postgres installation).
Create the database and its users for system users which require it:
```
sudo -u postgres -- createuser taler-exchange-httpd
sudo -u postgres -- createuser taler-exchange-aggregator
sudo -u postgres -- createuser taler-exchange-closer
sudo -u postgres -- createuser taler-exchange-transfer
sudo -u postgres -- createuser taler-exchange-wirewatch
sudo -u postgres -- createdb taler-exchange --owner taler-exchange-httpd
```
Initialize the database schema, which should also be done after upgrades:
```
sudo -u taler-exchange-httpd -- taler-exchange-dbinit
```
Grant the user access to their tables in the database:
```
sudo -u taler-exchange-httpd psql taler-exchange << EOF
GRANT SELECT,INSERT,UPDATE ON ALL TABLES IN SCHEMA exchange TO "taler-exchange-aggregator";
GRANT SELECT,INSERT,UPDATE ON ALL TABLES IN SCHEMA exchange TO "taler-exchange-closer";
GRANT SELECT,INSERT,UPDATE ON ALL TABLES IN SCHEMA exchange TO "taler-exchange-transfer";
GRANT SELECT,INSERT,UPDATE ON ALL TABLES IN SCHEMA exchange TO "taler-exchange-wirewatch";
GRANT USAGE ON ALL SEQUENCES IN SCHEMA exchange TO "taler-exchange-aggregator";
GRANT USAGE ON ALL SEQUENCES IN SCHEMA exchange TO "taler-exchange-closer";
GRANT USAGE ON ALL SEQUENCES IN SCHEMA exchange TO "taler-exchange-transfer";
GRANT USAGE ON ALL SEQUENCES IN SCHEMA exchange TO "taler-exchange-wirewatch";
EOF
```
To have the taler system start and stop with your host, add to /etc/rc.d/rc.local:
if [ -x /etc/rc.d/rc.taler-exchange ]; then
/etc/rc.d/rc.taler-exchange start
fi
And to /etc/rc.d/rc.local_shutdown (creating if needed):
if [ -x /etc/rc.d/rc.taler-exchange ]; then
/etc/rc.d/rc.taler-exchange stop
fi
|
