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cumulus_test_runtime

Function get_preset

Source 
pub fn get_preset<GC>(
    name: &Option<String>,
    preset_for_name: impl FnOnce(&String) -> Option<Vec<u8>>,
) -> Option<Vec<u8>>
where
    GC: BuildGenesisConfig + Default,
Expand description

Get the default GenesisConfig as a JSON blob if name is None.

Query of named presets is delegetaed to provided preset_for_name closure. For more info refer to sp_genesis_builder::GenesisBuilder::get_preset.