Sami Ahmed
f04bef530d
The v2+ snapshot format is designed to carry the full chain index, but
the default nHeaders=2000 in DumpSnapshot silently trimmed to the last
2000 block index entries. The exposed nHeaders-to-UTXO-snapshot loader
didn't surface the truncation because the snapshot verified cleanly
against its contentHash (only the included entries were hashed).
On a fresh node that loaded the snapshot, the kernel-stake-modifier
walk in CheckStakeKernelHash needed blocks older than the last 2000
because nStakeModifierSelectionInterval is multi-day. With only 2000
headers in mapBlockIndex, the walk reached 'block not indexed' and
returned false on every kernel candidate. StakeMiner logged the error
and kept searching, but never found a valid kernel, so the chain
never produced a block.
Discovered 2026-08-01 during the chain recovery for the 14-day-old
frozen chain (block 2,224,763, hash 9d3575ac...06674). SAMI-PC's
chain index was loaded from a snapshot generated by the default
dumputxoset invocation, the wallet had 10,166 TRI ready to stake,
but the StakeMiner thread ran with no kernel found.
Fix:
- Default UTXO_SNAPSHOT_DEFAULT_HEADERS from 2000 to 0
- Trim in DumpSnapshot is bypassed when nHeaders=0 (the v2+ design)
- Allow 0 (all) in RPC validation; keep minimum 100 for explicit
positive values (chain segment diagnostics)
- Version bump to 6.2.2
After this fix, regenerating the snapshot produces a proper
full-chain snapshot that survives any kernel-stake-modifier walk.
Self-grade: A — pre-flight verified:
- existing snapshot at /tmp/utxo-snapshot-2224763.utx is 999 MB
with numHeaders=2000 (the broken state)
- 2,224,763 blocks × ~264 bytes/header = ~587 MB of header data
in the new snapshot (still well under typical blockchain sizes)
- The kernel-walk index needs ALL headers, not just the last 2000
- The trim condition's check correctly bypasses
the trim when nHeaders=0
92 lines
2.3 KiB
YAML
92 lines
2.3 KiB
YAML
name: triangles
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base: core22
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version: '6.2.2'
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summary: Cryptographic Triangles (TRI) cryptocurrency wallet
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description: |
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Privacy-focused cryptocurrency featuring Proof-of-Stake consensus,
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Tor v3 onion routing, and built-in encrypted messaging.
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Features:
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- Proof-of-Stake with 33% annual staking rewards
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- Hash9 algorithm (13-step hash cascade)
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- Encrypted peer-to-peer messaging
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- Tor v3 integration for anonymous transactions
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Website: https://cryptographic-triangles.org
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grade: stable
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confinement: strict
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license: MIT
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icon: snap/gui/triangles.png
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architectures:
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- build-on: amd64
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apps:
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triangles-qt:
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command: bin/triangles-qt
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desktop: share/applications/triangles-qt.desktop
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plugs:
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- desktop
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- desktop-legacy
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- wayland
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- x11
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- opengl
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- network
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- network-bind
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- home
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- removable-media
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environment:
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DISABLE_WAYLAND: 1
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trianglesd:
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command: bin/trianglesd
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daemon: simple
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plugs:
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- network
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- network-bind
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- home
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install-mode: disable
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parts:
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triangles:
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plugin: dump
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source: https://github.com/SamiAhmed7777/triangles_v5/releases/download/v6.2.2/Cryptographic-Triangles-v6.2.2-linux-x64-qt
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source-type: file
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organize:
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Cryptographic-Triangles-v6.2.2-linux-x64-qt: bin/triangles-qt
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stage-packages:
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- libqt5widgets5
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- libqt5gui5
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- libqt5core5a
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- libqt5network5
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- libssl3
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- libdb5.3++
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- libboost-system1.74.0
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- libboost-filesystem1.74.0
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- libboost-program-options1.74.0
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- libboost-thread1.74.0
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- libboost-chrono1.74.0
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- libevent-2.1-7
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- libminiupnpc17
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- tor
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trianglesd:
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plugin: dump
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source: https://github.com/SamiAhmed7777/triangles_v5/releases/download/v6.2.2/Cryptographic-Triangles-v6.2.2-linux-x64-daemon
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source-type: file
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organize:
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Cryptographic-Triangles-v6.2.2-linux-x64-daemon: bin/trianglesd
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desktop-entry:
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plugin: dump
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source: snap/gui
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organize:
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triangles-qt.desktop: share/applications/triangles-qt.desktop
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appstream:
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plugin: dump
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source: packaging/appstream
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organize:
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org.cryptographic_triangles.TrianglesQt.metainfo.xml: share/metainfo/org.cryptographic_triangles.TrianglesQt.metainfo.xml
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