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RedstoneMultiFeedStorageAdapter

evm_oracle_state

Struct RedstoneMultiFeedStorageAdapter 

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pub struct RedstoneMultiFeedStorageAdapter;
Available on crate feature redstone only.
Expand description

Storage helpers for RedStone MultiFeedAdapterWithoutRounds push feeds.

The live RedStone multi-feed adapter stores each feed in a packed DataFeedDetails word keyed by dataFeedId. A direct event write is only emitted when that packed slot is already hot in the cache. If the value does not fit the inline uint152 field, the overflow slot must also be hot.

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impl RedstoneMultiFeedStorageAdapter

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pub fn data_feed_details_slot(data_feed_id: B256) -> U256

Return the storage slot for dataFeeds[dataFeedId].

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pub fn bigger_value_slot(data_feed_id: B256) -> U256

Return the overflow slot for dataFeeds[dataFeedId].biggerValue.

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pub fn pack_data_feed_details_from_event( value: U256, updated_at: u64, ) -> Option<U256>

Pack RedStone DataFeedDetails.

RedStone’s ValueUpdate event exposes one timestamp. The storage layout keeps both data-package and block timestamps, so the event timestamp is used for the block timestamp and timestamp * 1000 is used for the millisecond data timestamp.

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pub fn pack_data_feed_details( value: U256, data_timestamp_ms: u64, block_timestamp: u64, ) -> Option<U256>

Pack RedStone DataFeedDetails with explicit timestamps.

Trait Implementations§

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impl Clone for RedstoneMultiFeedStorageAdapter

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fn clone(&self) -> RedstoneMultiFeedStorageAdapter

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

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

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

Formats the value using the given formatter. Read more
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impl Default for RedstoneMultiFeedStorageAdapter

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fn default() -> RedstoneMultiFeedStorageAdapter

Returns the “default value” for a type. Read more

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