Struct fuel_vm::storage::ContractsAssets

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pub struct ContractsAssets;
Expand description

The storage table for contract’s assets balances.

Lifetime is for optimization to avoid clone.

Trait Implementations§

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impl Mappable for ContractsAssets

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type Key = <ContractsAssets as Mappable>::OwnedKey

The key type is used during interaction with the storage. In most cases, it is the same as Self::OwnedKey.
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type OwnedKey = ContractsAssetKey

The owned type of the Key retrieving from the storage.
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type OwnedValue = <ContractsAssets as Mappable>::Value

The owned type of the Value retrieving from the storage.
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type Value = u64

The value type is used while setting the value to the storage. In most cases, it is the same as Self::OwnedValue, but it is without restriction and can be used for performance optimizations.
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impl MerkleRootStorage<ContractId, ContractsAssets> for MemoryStorage

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fn root(&self, parent: &ContractId) -> Result<MerkleRoot, Infallible>

Return the merkle root of the stored Type in the storage. Read more
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impl StorageInspect<ContractsAssets> for MemoryStorage

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type Error = Infallible

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fn get( &self, key: &<ContractsAssets as Mappable>::Key ) -> Result<Option<Cow<'_, Word>>, Infallible>

Retrieve Cow<Value> such as Key->Value.
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fn contains_key( &self, key: &<ContractsAssets as Mappable>::Key ) -> Result<bool, Infallible>

Return true if there is a Key mapping to a value in the storage.
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impl StorageMutate<ContractsAssets> for MemoryStorage

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fn insert( &mut self, key: &<ContractsAssets as Mappable>::Key, value: &Word ) -> Result<Option<Word>, Infallible>

Append Key->Value mapping to the storage. Read more
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fn remove( &mut self, key: &<ContractsAssets as Mappable>::Key ) -> Result<Option<Word>, Infallible>

Remove Key->Value mapping from the storage. Read more

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