pub struct MockHandle {
    pub gas_limit: u64,
    pub gas_used: u64,
    pub logs: Vec<PrettyLog>,
    pub subcall_handle: Option<SubcallHandle>,
    pub code_address: H160,
    pub input: Vec<u8>,
    pub context: Context,
    pub is_static: bool,
}
Expand description

Mock handle to write tests for precompiles.

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§gas_limit: u64§gas_used: u64§logs: Vec<PrettyLog>§subcall_handle: Option<SubcallHandle>§code_address: H160§input: Vec<u8>§context: Context§is_static: bool

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impl MockHandle

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pub fn new(code_address: H160, context: Context) -> Self

Trait Implementations§

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impl PrecompileHandle for MockHandle

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fn call( &mut self, address: H160, transfer: Option<Transfer>, input: Vec<u8>, target_gas: Option<u64>, is_static: bool, context: &Context ) -> (ExitReason, Vec<u8>)

Perform subcall in provided context. Precompile specifies in which context the subcall is executed.

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fn code_address(&self) -> H160

Retreive the code address (what is the address of the precompile being called).

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fn input(&self) -> &[u8]

Retreive the input data the precompile is called with.

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fn context(&self) -> &Context

Retreive the context in which the precompile is executed.

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fn is_static(&self) -> bool

Is the precompile call is done statically.

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fn gas_limit(&self) -> Option<u64>

Retreive the gas limit of this call.

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fn record_cost(&mut self, cost: u64) -> Result<(), ExitError>

Record cost to the Runtime gasometer.
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fn remaining_gas(&self) -> u64

Retreive the remaining gas.
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fn log( &mut self, address: H160, topics: Vec<H256>, data: Vec<u8> ) -> Result<(), ExitError>

Record a log.
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fn record_external_cost( &mut self, _ref_time: Option<u64>, _proof_size: Option<u64>, _storage_growth: Option<u64> ) -> Result<(), ExitError>

Record Substrate specific cost.
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fn refund_external_cost( &mut self, _ref_time: Option<u64>, _proof_size: Option<u64> )

Refund Substrate specific cost.

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fn instrument(self, span: Span) -> Instrumented<Self>

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const ALIGN: usize = _

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type Init = T

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unsafe fn init(init: <T as Pointable>::Init) -> usize

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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> PrecompileHandleExt for T

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fn record_log_costs_manual( &mut self, topics: usize, data_len: usize ) -> Result<(), PrecompileFailure>

Record cost of a log manualy. This can be useful to record log costs early when their content have static size.

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fn record_log_costs(&mut self, logs: &[&Log]) -> Result<(), PrecompileFailure>

Record cost of logs.

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fn check_function_modifier( &self, modifier: FunctionModifier ) -> Result<(), Revert>

Check that a function call is compatible with the context it is called into.

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fn read_u32_selector(&self) -> Result<u32, Revert>

Read the selector from the input data as u32.

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fn read_after_selector(&self) -> Result<Reader<'_>, Revert>

Returns a reader of the input, skipping the selector.

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fn record_db_read<Runtime>( &mut self, data_max_encoded_len: usize ) -> Result<(), ExitError>
where Runtime: Config,

Record cost of one DB read manually. The max encoded lenght of the data that will be read should be provided.
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impl<T> JsonSchemaMaybe for T