Struct bus_mapping::circuit_input_builder::CopyEvent

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pub struct CopyEvent {
    pub src_addr: u64,
    pub src_addr_end: u64,
    pub src_type: CopyDataType,
    pub src_id: NumberOrHash,
    pub dst_addr: u64,
    pub dst_type: CopyDataType,
    pub dst_id: NumberOrHash,
    pub log_id: Option<u64>,
    pub rw_counter_start: RWCounter,
    pub bytes: Vec<(u8, bool)>,
}
Expand description

Defines a copy event associated with EVM opcodes such as CALLDATACOPY, CODECOPY, CREATE, etc. More information: https://github.com/privacy-scaling-explorations/zkevm-specs/blob/master/specs/copy-proof.md.

Fields§

§src_addr: u64

Represents the start address at the source of the copy event.

§src_addr_end: u64

Represents the end address at the source of the copy event.

§src_type: CopyDataType

Represents the source type.

§src_id: NumberOrHash

Represents the relevant ID for source.

§dst_addr: u64

Represents the start address at the destination of the copy event.

§dst_type: CopyDataType

Represents the destination type.

§dst_id: NumberOrHash

Represents the relevant ID for destination.

§log_id: Option<u64>

An optional field to hold the log ID in case of the destination being TxLog.

§rw_counter_start: RWCounter

Value of rw counter at start of this copy event

§bytes: Vec<(u8, bool)>

Represents the list of (bytes, is_code) copied during this copy event

Implementations§

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impl CopyEvent

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pub fn rw_counter(&self, step_index: usize) -> u64

rw counter at step index

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pub fn rw_counter_increase_left(&self, step_index: usize) -> u64

rw counter increase left at step index

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pub fn rw_counter_delta(&self) -> u64

Number of rw operations performed by this copy event

Trait Implementations§

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impl Clone for CopyEvent

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fn clone(&self) -> CopyEvent

Returns a copy 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 CopyEvent

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

Formats the value using the given formatter. Read more

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