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Warning

Note that this library has not had a security review yet, is not gas-efficient, and should only be used for testing.

Merkle MultiProof and SingleProof Inputs Generation For Forge

This simple library generates Merkle MultiProof and SingleProof inputs for OpenZeppelin's MerkleProof (v5.0.0) library. It is written in Solidity and can be used in the Forge framework. The library has been tested to work with at most 10k arbitrary leaves and arbitrary indices of any size.

Usage

See MerkleGen.t.sol for example:

  • Import the MerkleGen library.
  • Prepare the leaves and indices.
  • Call generateMultiproof to generate the MultiProof or generateSingleProof to generate the SingleProof inputs.

A wrapper Prover library is provided in Prover.sol, which forwards all the inputs to OpenZeppelin's MerkleProof library.

How to run tests

The following command will run a standard test and a (pretty long) fuzzing test of 100k runs. To modify the number of runs, change the runs parameter in foundry.toml.

forge test

License

MIT