67 lines
2.4 KiB
Nim
67 lines
2.4 KiB
Nim
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# beacon_chain
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# Copyright (c) 2018-2022 Status Research & Development GmbH
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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{.push raises: [Defect].}
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import
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chronicles,
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"."/[beacon_time, digest]
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export beacon_time, digest
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type
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BlockId* = object
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## A BlockId is the root and the slot in which that block was
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## produced - there are no guarantees that this block is part of
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## the canonical chain, or that we have validated it - the type exists to
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## tie a slot to the root which helps find the block in various indices and
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## contexts
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slot*: Slot # slot first for nicer sorting / comparisons :)
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root*: Eth2Digest
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BlockSlotId* = object
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## A BlockId at a slot equal to or higher than the slot of the block - when
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## a slot is missing its block, we still need a way to communicate that the
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## slot has changed - this type provides the necessary infrastructure
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bid*: BlockId
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slot*: Slot
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func hash*(bid: BlockId): Hash =
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hash(bid.root)
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func init*(T: type BlockSlotId, bid: BlockId, slot: Slot): T =
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doAssert slot >= bid.slot
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BlockSlotId(bid: bid, slot: slot)
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func atSlot*(bid: BlockId): BlockSlotId =
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# BlockSlotId doesn't not have an atSlot function taking slot because it does
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# not share the parent-traversing features of `atSlot(BlockRef)`
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BlockSlotId.init(bid, bid.slot)
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func isProposed*(bid: BlockId, slot: Slot): bool =
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## Return true if `bid` was proposed in the given slot
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bid.slot == slot and not bid.root.isZero
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func isProposed*(bsi: BlockSlotId): bool =
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## Return true if `bs` represents the proposed block (as opposed to an empty
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## slot)
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bsi.bid.isProposed(bsi.slot)
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func shortLog*(v: BlockId): string =
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# epoch:root when logging epoch, root:slot when logging slot!
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shortLog(v.root) & ":" & $v.slot
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func shortLog*(v: BlockSlotId): string =
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# epoch:root when logging epoch, root:slot when logging slot!
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if v.bid.slot == v.slot:
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shortLog(v.bid)
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else: # There was a gap - log it
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shortLog(v.bid) & "@" & $v.slot
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chronicles.formatIt BlockId: shortLog(it)
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chronicles.formatIt BlockSlotId: shortLog(it)
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