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a3473079de
CASE C: ALMOST CASE B --> if Tree has few Leafs (but numLeafs>=minLeafsThreshold)
==============================================================================
- Use A, B, G, F as Roots of subtrees
- Do CASE B for each subtree
- Then go from L to the Root
R
/ \
/ \
/ \
* *
/ | / \
/ | / \
/ | / \
L: A B G D
/ \
/ \
/ \
C *
/ \
/ \
/ \
... ... (nLeafs >= minLeafsThreshold)
arbo 
MerkleTree implementation in Go. Compatible with the circomlib implementation of the MerkleTree (when using the Poseidon hash function), following the specification from https://docs.iden3.io/publications/pdfs/Merkle-Tree.pdf and https://eprint.iacr.org/2018/955.
Allows to define which hash function to use. So for example, when working with zkSnarks the Poseidon hash function can be used, but when not, it can be used the Blake3 hash function, which improves the computation time.