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storage doublemap in decl_storage (#1918)

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* factorization

* introduce GenericUnhashedStorage

* implement generator and storage

* impl double map in storage macro

* improve StorageDoubleMapXX methods

* remove storage from example and impl test

* remove old comments

* wasm compatible

* improve imports

* rename storages

* update runtime impl version

* make code less verbose

* impl hash config for second key in double map

hash available are all of Hashable trait

* use double map in decl_storage for contract

* fix double map config issue

* add hasher into metadata

* update impl version and build wasm

* doc

* add attrs

* update metadata version

* update runtime version

* fix unused storage
This commit is contained in:
thiolliere
2019-03-28 17:40:50 +01:00
committed by Gav Wood
parent e3516d2bf4
commit f9d0da0a18
18 changed files with 843 additions and 207 deletions
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substrate/srml/support/src/hashable.rs
+3 -3
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@@ -27,12 +27,12 @@ pub trait Hashable: Sized {
impl<T: Codec> Hashable for T {
fn blake2_256(&self) -> [u8; 32] {
blake2_256(&self.encode())
self.using_encoded(blake2_256)
}
fn twox_128(&self) -> [u8; 16] {
twox_128(&self.encode())
self.using_encoded(twox_128)
}
fn twox_256(&self) -> [u8; 32] {
twox_256(&self.encode())
self.using_encoded(twox_256)
}
}