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Rename StorageMap::exists to ::contains_key (Resolves #4839) (#4847)

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* rename StorageMap::exists(key) to ::contains_key(key)

* bump impl_version
This commit is contained in:
Alexander Popiak
2020-02-08 20:31:35 +01:00
committed by GitHub
parent 503bfc9da9
commit cb567d6b8b
26 changed files with 100 additions and 100 deletions
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substrate/frame/staking/src/lib.rs
+3 -3
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@@ -887,13 +887,13 @@ decl_module! {
) {
let stash = ensure_signed(origin)?;
if <Bonded<T>>::exists(&stash) {
if <Bonded<T>>::contains_key(&stash) {
Err(Error::<T>::AlreadyBonded)?
}
let controller = T::Lookup::lookup(controller)?;
if <Ledger<T>>::exists(&controller) {
if <Ledger<T>>::contains_key(&controller) {
Err(Error::<T>::AlreadyPaired)?
}
@@ -1139,7 +1139,7 @@ decl_module! {
let stash = ensure_signed(origin)?;
let old_controller = Self::bonded(&stash).ok_or(Error::<T>::NotStash)?;
let controller = T::Lookup::lookup(controller)?;
if <Ledger<T>>::exists(&controller) {
if <Ledger<T>>::contains_key(&controller) {
Err(Error::<T>::AlreadyPaired)?
}
if controller != old_controller {