StylusParams

arbos::programs::params

Struct StylusParams 

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pub struct StylusParams {
Show 17 fields
    pub arbos_version: u64,
    pub version: u16,
    pub ink_price: u32,
    pub max_stack_depth: u32,
    pub free_pages: u16,
    pub page_gas: u16,
    pub page_ramp: u64,
    pub page_limit: u16,
    pub min_init_gas: u8,
    pub min_cached_init_gas: u8,
    pub init_cost_scalar: u8,
    pub cached_cost_scalar: u8,
    pub expiry_days: u16,
    pub keepalive_days: u16,
    pub block_cache_size: u16,
    pub max_wasm_size: u32,
    pub max_fragment_count: u8,

}
Expand description

Stylus configuration parameters packed into storage words.

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§arbos_version: u64§version: u16§ink_price: u32§max_stack_depth: u32§free_pages: u16§page_gas: u16§page_ramp: u64§page_limit: u16§min_init_gas: u8§min_cached_init_gas: u8§init_cost_scalar: u8§cached_cost_scalar: u8§expiry_days: u16§keepalive_days: u16§block_cache_size: u16§max_wasm_size: u32§max_fragment_count: u8

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impl StylusParams

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pub fn load<D: Database>( arbos_version: u64, sto: &Storage<D>, ) -> Result<Self, ()>

Deserialize params from a storage substorage.

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pub fn save<D: Database>(&self, sto: &Storage<D>) -> Result<(), ()>

Serialize and persist params to storage.

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pub fn upgrade_to_version(&mut self, version: u16) -> Result<(), &'static str>

Upgrade the params version (e.g. 1 -> 2).

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pub fn upgrade_to_arbos_version( &mut self, new_arbos_version: u64, ) -> Result<(), &'static str>

Handle ArbOS version upgrades that affect stylus params.

Trait Implementations§

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impl Clone for StylusParams

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fn clone(&self) -> StylusParams

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for StylusParams

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

Formats the value using the given formatter. Read more

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