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srml: system: prune block hash mapping (#3062)

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* srml: system: prune block number to hash mapping

* srml: system: add test for block hash mapping pruning

* node: bump runtime version

* srml: system: wrap long line

* srml: system: use parameter type for block hash count

* srml: system: prune block hash mapping before storage root calculation

* srml: system: keep the genesis hash in block number map
This commit is contained in:
André Silva
2019-07-09 16:07:38 +01:00
committed by Gavin Wood
parent 459eb94c38
commit ed630e5eda
21 changed files with 149 additions and 15 deletions
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substrate/srml/example/src/lib.rs
+4
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@@ -523,6 +523,9 @@ mod tests {
// configuration traits of modules we want to use.
#[derive(Clone, Eq, PartialEq)]
pub struct Test;
parameter_types! {
pub const BlockHashCount: u64 = 250;
}
impl system::Trait for Test {
type Origin = Origin;
type Index = u64;
@@ -533,6 +536,7 @@ mod tests {
type Lookup = IdentityLookup<Self::AccountId>;
type Header = Header;
type Event = ();
type BlockHashCount = BlockHashCount;
}
parameter_types! {
pub const ExistentialDeposit: u64 = 0;