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Release 2.05.0.2.1 (hotfix: check chain work when processing reorgs) #3152

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merged 18 commits into from Jun 3, 2022
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Release 2.05.0.2.1 (hotfix: check chain work when processing reorgs) #3152

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74cc416
chore: convert immunefi bug report into test vectors and update the i…
jcnelson May 26, 2022
04d2275
chore: add InvalidDifficulty variant
jcnelson May 26, 2022
998b9b7
feat: update the SPV client to track the total chain work over time. …
jcnelson May 26, 2022
11f6d7e
chore: unused mut
jcnelson May 26, 2022
9425a39
feat: add static method to convert a bitcoin target to a compact targ…
jcnelson May 26, 2022
e8b2cec
chore: add uint256 codec to/from hex strings
jcnelson May 26, 2022
c6ac355
feat: have find_bitcoin_reorg() actually merge the reorg headers and …
jcnelson May 26, 2022
fcbc660
chore: s/InvalidDifficulty/InvalidChainWork/g
jcnelson May 26, 2022
4721f67
fix: use the correct chainwork calculation by summing over individual…
jcnelson May 26, 2022
6c9221a
fix: update sync_with_indexer() to assume that find_chain_reorg() doe…
jcnelson May 26, 2022
7670d02
chore: add big-endian code for uint256, which is easier to read
jcnelson May 26, 2022
437381e
fix: test that the SPV chain tip is within 2 hours of now
jcnelson May 26, 2022
debf40c
refactor: better name
jcnelson May 26, 2022
1cc98b5
fix: prime the .reorg DB with the parent of the first header we expec…
jcnelson May 27, 2022
9f510fd
fix: use .saturating_sub() when determining the header range to copy …
jcnelson May 29, 2022
e1319a9
fix: compile-time error
jcnelson May 29, 2022
5b326f9
chore: cargo fmt
jcnelson May 29, 2022
762e007
chore: add changelog for SPV chain work fix
jcnelson May 31, 2022
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8 changes: 8 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -5,6 +5,14 @@ All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to the versioning scheme outlined in the [README.md](README.md).

## [2.05.0.2.1]

### Fixed
- Fixed a security bug in the SPV client whereby the chain work was not being
considered at all when determining the canonical Bitcoin fork. The SPV client
now only accepts a new Bitcoin fork if it has a higher chain work than any other
previously-seen chain (#3152).

## [2.05.0.2.0]

### IMPORTANT! READ THIS FIRST
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