feat!: replace utxo MMR with SMT #5854
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Description --- This replaces the UTXO MMR and the Roaring bitmap with a single SMT. Motivation and Context --- See: tari-project/rfcs#105 as to why the SMT is the better choice. How Has This Been Tested? --- Manual
Description --- Fixes rewind/reorg for sparse merkle tree
Description --- Fixes horizon sync by selecting the correct tip smt and sending the correct starting header Motivation and Context --- Horizon sync starts at height 1 technically as the node already has the genesis block. How Has This Been Tested? --- Manual
Description --- Fixes a resize issue with horizon sync mode Motivation and Context --- Lmdb only resizes on transactions, and not pure table changes in our code, this changes the tip smt to always use the transactions, as this call might be large. How Has This Been Tested? --- manual
Description --- Updates the SMT branch with code review --------- Co-authored-by: Hansie Odendaal <39146854+hansieodendaal@users.noreply.github.com>
Description --- final hazop code review for SMT
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Description
This replaces the UTXO MMR and the Roaring bitmap with a single SMT.
Motivation and Context
See: tari-project/rfcs#105 as to why the SMT is the better choice.
CRoaring, the library that is used by Tari for the roaring bitmap also has a few security issues such as panicking on certain random inputs.
How Has This Been Tested?
Manual, and unit tests
What process can a PR reviewer use to test or verify this change?