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SystemDataContracts

drive::cache

Struct SystemDataContracts 

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

System contracts

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impl SystemDataContracts

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pub fn reload_system_contracts( &self, platform_version: &PlatformVersion, ) -> Result<(), Error>

Reload all core-protocol system contracts for the supplied platform version, atomically replacing the cached copies held in each ArcSwap.

Call this after you upgrade PlatformVersion (e.g. when a protocol bump introduces new schemas for DPNS, Token History, etc.).

§Errors

Propagates any Error returned by load_system_data_contract.

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pub fn load_genesis_system_contracts() -> Result<Self, Error>

load genesis system contracts

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pub fn load_withdrawals(&self) -> Guard<Arc<DataContract>>

Returns withdrawals contract

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pub fn load_token_history(&self) -> Guard<Arc<DataContract>>

Returns token history contract

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pub fn load_dpns(&self) -> Guard<Arc<DataContract>>

Returns DPNS contract

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pub fn load_dashpay(&self) -> Guard<Arc<DataContract>>

Returns Dashpay contract

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pub fn load_masternode_reward_shares(&self) -> Guard<Arc<DataContract>>

Returns Masternode reward shares contract

Returns the search contract

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pub fn find_by_id(&self, id: Identifier) -> Option<Arc<DataContract>>

Returns the cached system contract whose deterministic identifier matches id, if any. Returns None for user contracts and for any system contract whose definition isn’t held in this in-memory cache (e.g. WalletUtils, which lives only in grovedb).

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