Initial Vexta Core v0.1.0 release

contrib/seeds/README.md

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+# Seeds
+
+Utility to generate the seeds.txt list that is compiled into the client
+(see [src/chainparamsseeds.h](/src/chainparamsseeds.h) and other utilities in [contrib/seeds](/contrib/seeds)).
+
+Be sure to update `PATTERN_AGENT` in `makeseeds.py` to include the current version,
+and remove old versions as necessary (at a minimum when GetDesirableServiceFlags
+changes its default return value, as those are the services which seeds are added
+to addrman with).
+
+The seeds compiled into the release are created from sipa's DNS seed data, like this:
+
+    curl -s http://digibyte.sipa.be/seeds.txt.gz | gzip -dc > seeds_main.txt
+    python3 makeseeds.py < seeds_main.txt > nodes_main.txt
+    python3 generate-seeds.py . > ../../src/chainparamsseeds.h
+
+## Dependencies
+
+Ubuntu, Debian:
+
+    sudo apt-get install python3-dnspython
+
+and/or for other operating systems:
+
+    pip install dnspython
+
+See https://dnspython.readthedocs.io/en/latest/installation.html for more information.