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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,194 @@ | ||
| use crate::{ | ||
| database::{ | ||
| Column, | ||
| Database, | ||
| }, | ||
| state::{ | ||
| Error, | ||
| IterDirection, | ||
| MultiKey, | ||
| }, | ||
| }; | ||
| use fuel_core_interfaces::{ | ||
| common::{ | ||
| fuel_storage::{ | ||
| MerkleRoot, | ||
| StorageInspect, | ||
| StorageMutate, | ||
| }, | ||
| fuel_vm::{ | ||
| crypto, | ||
| prelude::{ | ||
| AssetId, | ||
| ContractId, | ||
| MerkleRootStorage, | ||
| Word, | ||
| }, | ||
| }, | ||
| }, | ||
| db::ContractsAssets, | ||
| }; | ||
| use itertools::Itertools; | ||
| use std::borrow::Cow; | ||
|
|
||
| impl StorageInspect<ContractsAssets<'_>> for Database { | ||
| type Error = Error; | ||
|
|
||
| fn get(&self, key: &(&ContractId, &AssetId)) -> Result<Option<Cow<Word>>, Error> { | ||
| let key = MultiKey::new(key); | ||
| self.get(key.as_ref(), Column::ContractsAssets) | ||
| } | ||
|
|
||
| fn contains_key(&self, key: &(&ContractId, &AssetId)) -> Result<bool, Error> { | ||
| let key = MultiKey::new(key); | ||
| self.exists(key.as_ref(), Column::ContractsAssets) | ||
| } | ||
| } | ||
|
|
||
| impl StorageMutate<ContractsAssets<'_>> for Database { | ||
| fn insert( | ||
| &mut self, | ||
| key: &(&ContractId, &AssetId), | ||
| value: &Word, | ||
| ) -> Result<Option<Word>, Error> { | ||
| let key = MultiKey::new(key); | ||
| Database::insert(self, key.as_ref(), Column::ContractsAssets, *value) | ||
| } | ||
|
|
||
| fn remove(&mut self, key: &(&ContractId, &AssetId)) -> Result<Option<Word>, Error> { | ||
| let key = MultiKey::new(key); | ||
| Database::remove(self, key.as_ref(), Column::ContractsAssets) | ||
| } | ||
| } | ||
|
|
||
| impl MerkleRootStorage<ContractId, ContractsAssets<'_>> for Database { | ||
| fn root(&mut self, parent: &ContractId) -> Result<MerkleRoot, Error> { | ||
| let items: Vec<_> = Database::iter_all::<Vec<u8>, Word>( | ||
| self, | ||
| Column::ContractsAssets, | ||
| Some(parent.as_ref().to_vec()), | ||
| None, | ||
| Some(IterDirection::Forward), | ||
| ) | ||
| .try_collect()?; | ||
|
|
||
| let root = items | ||
| .iter() | ||
| .filter_map(|(key, value)| { | ||
| (&key[..parent.len()] == parent.as_ref()).then_some((key, value)) | ||
| }) | ||
| .sorted_by_key(|t| t.0) | ||
| .map(|(_, value)| value.to_be_bytes()); | ||
|
|
||
| Ok(crypto::ephemeral_merkle_root(root).into()) | ||
| } | ||
| } | ||
|
|
||
| #[cfg(test)] | ||
| mod tests { | ||
| use super::*; | ||
| use fuel_core_interfaces::common::fuel_storage::StorageAsMut; | ||
|
|
||
| #[test] | ||
| fn get() { | ||
| let balance_id: (ContractId, AssetId) = | ||
| (ContractId::from([1u8; 32]), AssetId::new([1u8; 32])); | ||
| let balance: Word = 100; | ||
| let key = &(&balance_id.0, &balance_id.1); | ||
|
|
||
| let database = &mut Database::default(); | ||
| database | ||
| .storage::<ContractsAssets>() | ||
| .insert(key, &balance) | ||
| .unwrap(); | ||
|
|
||
| assert_eq!( | ||
| database | ||
| .storage::<ContractsAssets>() | ||
| .get(key) | ||
| .unwrap() | ||
| .unwrap() | ||
| .into_owned(), | ||
| balance | ||
| ); | ||
| } | ||
|
|
||
| #[test] | ||
| fn put() { | ||
| let balance_id: (ContractId, AssetId) = | ||
| (ContractId::from([1u8; 32]), AssetId::new([1u8; 32])); | ||
| let balance: Word = 100; | ||
| let key = &(&balance_id.0, &balance_id.1); | ||
|
|
||
| let database = &mut Database::default(); | ||
| database | ||
| .storage::<ContractsAssets>() | ||
| .insert(key, &balance) | ||
| .unwrap(); | ||
|
|
||
| let returned = database | ||
| .storage::<ContractsAssets>() | ||
| .get(key) | ||
| .unwrap() | ||
| .unwrap(); | ||
| assert_eq!(*returned, balance); | ||
| } | ||
|
|
||
| #[test] | ||
| fn remove() { | ||
| let balance_id: (ContractId, AssetId) = | ||
| (ContractId::from([1u8; 32]), AssetId::new([1u8; 32])); | ||
| let balance: Word = 100; | ||
| let key = &(&balance_id.0, &balance_id.1); | ||
|
|
||
| let database = &mut Database::default(); | ||
| database | ||
| .storage::<ContractsAssets>() | ||
| .insert(key, &balance) | ||
| .unwrap(); | ||
|
|
||
| database.storage::<ContractsAssets>().remove(key).unwrap(); | ||
|
|
||
| assert!(!database | ||
| .storage::<ContractsAssets>() | ||
| .contains_key(key) | ||
| .unwrap()); | ||
| } | ||
|
|
||
| #[test] | ||
| fn exists() { | ||
| let balance_id: (ContractId, AssetId) = | ||
| (ContractId::from([1u8; 32]), AssetId::new([1u8; 32])); | ||
| let balance: Word = 100; | ||
| let key = &(&balance_id.0, &balance_id.1); | ||
|
|
||
| let database = &mut Database::default(); | ||
| database | ||
| .storage::<ContractsAssets>() | ||
| .insert(key, &balance) | ||
| .unwrap(); | ||
|
|
||
| assert!(database | ||
| .storage::<ContractsAssets>() | ||
| .contains_key(key) | ||
| .unwrap()); | ||
| } | ||
|
|
||
| #[test] | ||
| fn root() { | ||
| let balance_id: (ContractId, AssetId) = | ||
| (ContractId::from([1u8; 32]), AssetId::new([1u8; 32])); | ||
| let balance: Word = 100; | ||
| let key = &(&balance_id.0, &balance_id.1); | ||
|
|
||
| let database = &mut Database::default(); | ||
|
|
||
| database | ||
| .storage::<ContractsAssets>() | ||
| .insert(key, &balance) | ||
| .unwrap(); | ||
|
|
||
| let root = database.storage::<ContractsAssets>().root(&balance_id.0); | ||
| assert!(root.is_ok()) | ||
| } | ||
| } |
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