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stringintech

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7 commits1 monitored projects1 candidates0 high-risk analyses
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Bitcoin CoreBitcoin Core7 commits1 candidates0 high risk
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Low 35 AI analysisMessage 78 · Adequate
BC Bitcoin CoreBitcoin Core BitcoinSupply chain

rpc: tighten setmocktime upper bound to UINT32_MAX

This commit tightens the maximum allowed mock time in Bitcoin Core's testing-only RPC command `setmocktime` from the year 2262 down to the year 2106 (the maximum value a 32-bit unsigned timestamp can hold). The change prevents two types of…

Integer overflow (int64_t) in time arithmetic when offsets are added to an overly large mock timeSilent truncation to uint32_t when mocked time is assigned to block header nTime fieldsUBSan/integer sanitizer findings motivating the bound change
406c2348by stringintech+6−63 files
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Low 28 AI analysisMessage 73 · Adequate
BC Bitcoin CoreBitcoin Core BitcoinSupply chain

kernel: assert invalid buffer preconditions in `btck_*_create` functions

This commit changes several Bitcoin Core kernel library functions so they crash the program (via assertions) instead of returning a null pointer when callers pass a null buffer with a non-zero length. It also tightens one function to requi…

API contract hardened from graceful null return to assertion/abort on invalid buffer preconditionsPotential denial-of-service vector introduced if untrusted input can reach these kernel functions with null+non-zero-length argumentsBlock header length now strictly enforced as exactly 80 bytes via assertion
570a6276by stringintech+13−243 files
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Informational 15 AI analysisMessage 100 · Strong
BC Bitcoin CoreBitcoin Core BitcoinSupply chain

test: Verify peer usage after assumeutxo validation completes

This commit only adds a new automated test to Bitcoin Core. It does not change any production code, network rules, or wallet behavior. The test verifies that a node using the assumeutxo snapshot feature can later switch to a different chai…

7d9e1a81by stringintech+25−01 file
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Informational 15 AI analysisMessage 70 · Adequate
BC Bitcoin CoreBitcoin Core BitcoinSupply chain

Add regtest support to bitcoin-chainstate tool

This commit adds a command-line flag to an experimental developer/testing tool so it can use Bitcoin's local-only 'regtest' network instead of the real main network. It is a straightforward feature addition with no security relevance.

5f3d6bdbby stringintech+6−41 file
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Low 31 AI analysisMessage 65 · Adequate
BC Bitcoin CoreBitcoin Core BitcoinSupply chain

Fix `ChainstateManager::AddChainstate()` assertion crash

This is a one-line fix in Bitcoin Core that prevents a program crash (assertion failure) when adding a new chainstate. The crash could occur if the previous chainstate did not have a memory pool (mempool) initialized. The change simply che…

Null pointer dereference / assertion crash in validation codeDefensive null check added before pointer dereferenceCrash in chainstate management during initialization/IBD
2bc32656by stringintech+1−11 file
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Informational 15 AI analysisMessage 87 · Strong
BC Bitcoin CoreBitcoin Core BitcoinSupply chain

test: Add bitcoin-chainstate test for assumeutxo functionality

This commit adds a new automated test for the bitcoin-chainstate tool. It checks that the tool can load a data directory initialized with an assumeutxo snapshot and continue processing new blocks. There is no change to production code that…

7b5d256aby stringintech+77−202 files
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Low 37 AI analysisMessage 85 · Strong
BC Bitcoin CoreBitcoin Core BitcoinSupply chain

p2p: Allow block downloads from peers without snapshot block after assumeutxo validation

This change fixes a logic bug in Bitcoin Core's peer-to-peer block downloading. After a node finishes validating an 'assumeutxo' snapshot, it was still refusing to download blocks from peers whose best chain did not include the snapshot bl…

Logic error causing overly restrictive peer selectionPost-validation state not reflected in existing guard conditionPotential for reduced block-download connectivity after assumeutxo sync
0067abe1by stringintech+5−31 file
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