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fix(consensus): Avoid a concurrency bug when verifying transactions in blocks that are already present in the mempool

A-concurrencyArea: Async code, needs extra work to make it work properly.Area: Async code, needs extra work to make it work properly.

C-bugCategory: This is a bugCategory: This is a bug

P-Medium ⚡

Status: Open (in progress).

ZcashFoundation/zebranumber 9118

#9118 In ZcashFoundation/zebra;

· arya2 opened on Jan 14, 2025

Score and drop misbehaving peer connections

A-networkArea: Network protocol updates or fixesArea: Network protocol updates or fixes

C-bugCategory: This is a bugCategory: This is a bug

C-enhancementCategory: This is an improvementCategory: This is an improvement

C-featureCategory: New featuresCategory: New features

C-securityCategory: Security issuesCategory: Security issues

I-heavyProblems with excessive memory, disk, or CPU usageProblems with excessive memory, disk, or CPU usage

I-invalid-dataZebra relies on invalid or untrusted data, or sends invalid dataZebra relies on invalid or untrusted data, or sends invalid data

P-Medium ⚡

Status: Open.

#9111 In ZcashFoundation/zebra;

· arya2 opened on Jan 10, 2025

 ·  

Zebra Ready for zcashd Deprecation

Check additional consensus rules for ZSAs in zebra-state

A-consensusArea: Consensus rule updatesArea: Consensus rule updates

A-stateArea: State / database changesArea: State / database changes

NU-7Network Upgrade: NU7 specific tasksNetwork Upgrade: NU7 specific tasks

Status: Open.

#8996 In ZcashFoundation/zebra;

· arya2 opened on Nov 5, 2024

 ·  

NU7

Support ZSAs in zebra-state

A-consensusArea: Consensus rule updatesArea: Consensus rule updates

A-stateArea: State / database changesArea: State / database changes

NU-7Network Upgrade: NU7 specific tasksNetwork Upgrade: NU7 specific tasks

Status: Open.

#8990 In ZcashFoundation/zebra;

· arya2 opened on Nov 4, 2024

 ·  

NU7

Add build metadata to db format version and move indexer column families behind a feature flag

A-stateArea: State / database changesArea: State / database changes

C-cleanupCategory: This is a cleanupCategory: This is a cleanup

C-enhancementCategory: This is an improvementCategory: This is an improvement

S-needs-designStatus: Needs a design decisionStatus: Needs a design decision

lightwalletdany work associated with lightwalletdany work associated with lightwalletd

Status: Open.

Task

#8922 In ZcashFoundation/zebra;

· arya2 opened on Oct 10, 2024

add(state): Track spending transaction ids by spent outpoints and revealed nullifiers

A-stateArea: State / database changesArea: State / database changes

C-enhancementCategory: This is an improvementCategory: This is an improvement

P-Medium ⚡

Status: Open (in progress).

ZcashFoundation/zebranumber 8895

#8895 In ZcashFoundation/zebra;

· arya2 opened on Sep 27, 2024

Add hashes of transactions that reveal a nullifier in the {sprout, sapling, orchard}_nullifiers column families as values

A-stateArea: State / database changesArea: State / database changes

Status: Open.

#8838 In ZcashFoundation/zebra;

· arya2 opened on Sep 4, 2024

 ·  

Zebra Ready for zcashd Deprecation

Add a column family to zebra-state tracking [spent Outpoint] -> [transaction::Hash that spent the output]

A-stateArea: State / database changesArea: State / database changes

Status: Open.

#8837 In ZcashFoundation/zebra;

· arya2 opened on Sep 4, 2024

 ·  

Zebra Ready for zcashd Deprecation

Tracking: Support indexer/caching service in Zebra

A-blockchain-scannerArea: Blockchain scanner of shielded transactionsArea: Blockchain scanner of shielded transactions

A-rpcArea: Remote Procedure Call interfacesArea: Remote Procedure Call interfaces

A-stateArea: State / database changesArea: State / database changes

I-usabilityZebra is hard to understand or useZebra is hard to understand or use

Status: Open.

Task

#8610 In ZcashFoundation/zebra;

· arya2 opened on Jun 13, 2024

Tracking: security: Limit ability of synthetic nodes to take up connection slots. Credit: Ziggurat Team

A-networkArea: Network protocol updates or fixesArea: Network protocol updates or fixes

C-securityCategory: Security issuesCategory: Security issues

C-tracking-issueCategory: This is a tracking issue for other tasksCategory: This is a tracking issue for other tasks

I-remote-triggerRemote nodes can make Zebra do something badRemote nodes can make Zebra do something bad

S-needs-triageStatus: A bug report needs triageStatus: A bug report needs triage

Status: Open.

Task

#7822 In ZcashFoundation/zebra;

· mpguerra opened on Oct 25, 2023

Tracking: Add regtest network

A-consensusArea: Consensus rule updatesArea: Consensus rule updates

A-networkArea: Network protocol updates or fixesArea: Network protocol updates or fixes

C-enhancementCategory: This is an improvementCategory: This is an improvement

C-testingCategory: These are testsCategory: These are tests

C-tracking-issueCategory: This is a tracking issue for other tasksCategory: This is a tracking issue for other tasks

I-usabilityZebra is hard to understand or useZebra is hard to understand or use

S-blockedStatus: Blocked on other tasksStatus: Blocked on other tasks

S-needs-designStatus: Needs a design decisionStatus: Needs a design decision

S-needs-triageStatus: A bug report needs triageStatus: A bug report needs triage

Status: Open.

#7119 In ZcashFoundation/zebra;

· arya2 opened on Jun 30, 2023