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StorageManager

neo_devpack_solidity::runtime::storage

Struct StorageManager 

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pub struct StorageManager { /* private fields */ }
Expand description

Storage manager for contract storage

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impl StorageManager

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pub fn commit( &mut self, account: &str, ) -> Result<Vec<StorageChange>, RuntimeError>

Commit pending changes

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pub fn rollback(&mut self, account: &str) -> Result<(), RuntimeError>

Rollback pending changes

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pub fn get_pending_changes(&self, account: &str) -> Vec<&StorageChange>

Get all pending changes for account

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pub fn calculate_pending_gas_cost(&self, account: &str) -> u64

Calculate total gas cost for pending changes

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impl StorageManager

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pub fn get( &mut self, account: &str, key: &[u8], ) -> Result<Option<Vec<u8>>, RuntimeError>

Get storage value

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pub fn set( &mut self, account: &str, key: &[u8], value: &[u8], ) -> Result<(), RuntimeError>

Set storage value

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pub fn delete(&mut self, account: &str, key: &[u8]) -> Result<(), RuntimeError>

Delete storage value

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pub fn exists( &mut self, account: &str, key: &[u8], ) -> Result<bool, RuntimeError>

Check if storage key exists

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impl StorageManager

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pub fn new(_config: &RuntimeConfig) -> Result<Self, RuntimeError>

Create new storage manager

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impl StorageManager

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pub fn query( &mut self, query: StorageQuery, ) -> Result<Vec<(Vec<u8>, Vec<u8>)>, RuntimeError>

Query storage with filters

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pub fn get_storage_root(&self, account: &str) -> Result<String, RuntimeError>

Get storage root hash for account (Neo compatibility)

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impl StorageManager

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pub fn get_storage_size(&self, account: &str) -> Result<usize, RuntimeError>

Get storage size for account

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impl StorageManager

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pub fn read_count(&self) -> u64

Get read count

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pub fn write_count(&self) -> u64

Get write count

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pub fn get_statistics(&self) -> StorageStatistics

Get storage statistics

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pub fn clear(&mut self)

Clear all storage (for testing)

Trait Implementations§

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impl Debug for StorageManager

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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