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Explain table vars (#792)

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* Database Table vars

Explain Database Table vars and bip32_max_index variable.
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luca vaccaro 2018-01-28 01:41:31 +01:00 committed by Christian Decker
parent d03ca59f80
commit d36fa33c9b
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doc/HACKING.md
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@ -124,6 +124,27 @@ Some data is stored as raw bytes, use `HEX(column)` to pretty print these.
Make sure that clightning is not running when you query the database, as some
queries may lock the database and cause crashes.
#### Common variables
Table `vars` contains global variables used by lightning node.
$ sqlite3 ~/.lightning/lightningd.sqlite3
SQLite version 3.21.0 2017-10-24 18:55:49
Enter ".help" for usage hints.
sqlite> .headers on
sqlite> select * from vars;
name|val
next_pay_index|2
bip32_max_index|4
...
Variables:
* `next_pay_index` next resolved invoice counter that will get assigned.
* `bip32_max_index` last wallet derivation counter.
Note: Each time `newaddr` command is called, `bip32_max_index` counter is increased to the last derivation index.
Each address generated after `bip32_max_index` is not included as lightning funds.
Testing
-------