proposalAuthority(the Ellipsis team) submits the hash of the proof on-chain, and then the
reviewAuthority(the Curve team) accepts or rejects it. Once the proof is accepted, the receivers may begin to claim immediately.
merkleIndex: Index of the merkle root within
merkleRootsto claim against.
index: Index of the claim within the merkle hash.
amount: Amount of tokens being claimed. Must be the full amount received in the airdrop.
merkleProof: Proof to validate the claim.