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Make sure we generate a valid slot in tests (#2520)

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Currently the first last timestamp is `0` and that leads to the first
slot being `0` which is reserved for genesis. There is some debug assert
in BABE that complains about this in Cumulus :D
This commit is contained in:
Bastian Köcher
2021-02-24 21:07:03 +01:00
committed by GitHub
parent 5ffb8cb463
commit c3ef81ab30
1 changed files with 7 additions and 1 deletions
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polkadot/node/test/client/src/block_builder.rs
+7 -1
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@@ -62,7 +62,13 @@ impl InitPolkadotBlockBuilder for Client {
let minimum_period = BasicExternalities::new_empty()
.execute_with(|| polkadot_test_runtime::MinimumPeriod::get());
let timestamp = last_timestamp + minimum_period;
let timestamp = if last_timestamp == 0 {
std::time::SystemTime::now().duration_since(std::time::SystemTime::UNIX_EPOCH)
.expect("Time is always after UNIX_EPOCH; qed")
.as_millis() as u64
} else {
last_timestamp + minimum_period
};
// `SlotDuration` is a storage parameter type that requires externalities to access the value.
let slot_duration = BasicExternalities::new_empty()