doc: ledger: SlotMeta: Clarify `consumed` and `completed_data_indexes` (#29886)
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@ -50,34 +50,36 @@ impl Default for ConnectedFlags {
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}
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#[derive(Clone, Debug, Default, Deserialize, Serialize, Eq, PartialEq)]
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// The Meta column family
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/// The Meta column family
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pub struct SlotMeta {
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// The number of slots above the root (the genesis block). The first
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// slot has slot 0.
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/// The number of slots above the root (the genesis block). The first
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/// slot has slot 0.
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pub slot: Slot,
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// The total number of consecutive shreds starting from index 0
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// we have received for this slot.
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/// The total number of consecutive shreds starting from index 0 we have received for this slot.
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/// At the same time, it is also an index of the first missing shred for this slot, while the
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/// slot is incomplete.
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pub consumed: u64,
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// The index *plus one* of the highest shred received for this slot. Useful
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// for checking if the slot has received any shreds yet, and to calculate the
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// range where there is one or more holes: `(consumed..received)`.
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/// The index *plus one* of the highest shred received for this slot. Useful
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/// for checking if the slot has received any shreds yet, and to calculate the
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/// range where there is one or more holes: `(consumed..received)`.
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pub received: u64,
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// The timestamp of the first time a shred was added for this slot
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/// The timestamp of the first time a shred was added for this slot
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pub first_shred_timestamp: u64,
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// The index of the shred that is flagged as the last shred for this slot.
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// None until the shred with LAST_SHRED_IN_SLOT flag is received.
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/// The index of the shred that is flagged as the last shred for this slot.
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/// None until the shred with LAST_SHRED_IN_SLOT flag is received.
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#[serde(with = "serde_compat")]
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pub last_index: Option<u64>,
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// The slot height of the block this one derives from.
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// The parent slot of the head of a detached chain of slots is None.
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/// The slot height of the block this one derives from.
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/// The parent slot of the head of a detached chain of slots is None.
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#[serde(with = "serde_compat")]
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pub parent_slot: Option<Slot>,
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// The list of slots, each of which contains a block that derives
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// from this one.
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/// The list of slots, each of which contains a block that derives
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/// from this one.
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pub next_slots: Vec<Slot>,
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// Connected status flags of this slot
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/// Connected status flags of this slot
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pub connected_flags: ConnectedFlags,
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// Shreds indices which are marked data complete.
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/// Shreds indices which are marked data complete. That is, those that have the
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/// [`ShredFlags::DATA_COMPLETE_SHRED`][`crate::shred::ShredFlags::DATA_COMPLETE_SHRED`] set.
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pub completed_data_indexes: BTreeSet<u32>,
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}
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