onflow/atree

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Atree. Go library of scalable, persistent arrays and ordered maps used by the Cadence runtime on the Flow network

Stars: 43
Forks: 20
Open beginner issues: 0
Indexed issues: 12

Dominant language: Go
License: Apache-2.0
Last GitHub push: Jul 2, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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12 open issues indexed

Look into adding option for client software to specify using a non-inlined payload Open

onflow/atree#611 · 2 comments · 1 assignee · Opened Dec 1, 2025
Create optional map key index to optimize map key iteration 🆕 Open

enhancement Execution

onflow/atree#443 · 1 comment · 1 assignee · Opened Sep 23, 2024
PersistentSlabStorage cache and deltas optimization Open

performance

onflow/atree#421 · 1 comment · 1 assignee · Opened Jun 24, 2024
Add custom maprange linter to GitHub Actions from Cadence Open

CI

Difficulty 3/5 1-2 days Newbie friendliness 45/100

onflow/atree#344 · Opened Sep 22, 2023
Speed up reads by adding support for lazy decoding of registers Open

Execution performance

onflow/atree#341 · 3 comments · 1 assignee · Opened Sep 12, 2023
Add `Array.Swap()` to swap two elements in place Open

enhancement performance

onflow/atree#326 · 4 comments · 2 reactions · 1 assignee · Opened Jul 11, 2023
Evaluate adding support for atree.OrderedSet Open

enhancement

onflow/atree#301 · 1 reaction · 1 assignee · Opened Apr 24, 2023
Utility methods for slab keys Open

Difficulty 1/5 Under an hour Newbie friendliness 50/100

onflow/atree#587 · 1 comment · Opened Dec 6, 2022
Goroutine creation in FastCommit() Open

onflow/atree#267 · 3 comments · 1 reaction · 1 assignee · Opened Jun 3, 2022
Specify seed for prng when generating code coverage report Open

tests

onflow/atree#236 · 1 assignee · Opened Dec 9, 2021
Document serialization format and add more code comments Open

documentation

onflow/atree#134 · 1 assignee · Opened Sep 24, 2021
SAT: Optimize rebalancing algorithm Open

onflow/atree#18 · 1 assignee · Opened Jul 4, 2021

onflow/atree

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