mirror of
https://github.com/status-im/nimbus-eth1.git
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a1a9c6b027
* Merge AristoTxRef/KvtTxRef with their LayerRef also clean up unused files * rm unused test_rocksdb * Fix tests * lint
36 lines
1.1 KiB
Nim
36 lines
1.1 KiB
Nim
# nimbus-eth1
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# Copyright (c) 2023-2025 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
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# http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
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# http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or distributed
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# except according to those terms.
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## Handle vertex IDs on the layered Aristo DB delta architecture
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## =============================================================
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##
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{.push raises: [].}
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import
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./aristo_desc
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# ------------------------------------------------------------------------------
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# Public functions
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# ------------------------------------------------------------------------------
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proc vidFetch*(db: AristoTxRef, n = 1): VertexID =
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## Fetch next vertex ID.
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##
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if db.vTop == 0:
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db.vTop = VertexID(LEAST_FREE_VID)
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var ret = db.vTop
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ret.inc
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db.vTop.inc(n)
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ret
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# ------------------------------------------------------------------------------
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# End
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# ------------------------------------------------------------------------------
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