tornado-trees/test/snark.test.js

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2022-09-02 13:56:58 -04:00
const { expect } = require('chai')
const MerkleTree = require('fixed-merkle-tree')
const { poseidonHash2, randomBN } = require('../src/utils')
const { batchTreeUpdate, prove } = require('../src/index')
const levels = 20
const CHUNK_TREE_HEIGHT = 8
describe('Snark', () => {
it('should work', async () => {
const tree = new MerkleTree(levels, [], { hashFunction: poseidonHash2 })
const events = []
for (let i = 0; i < 2 ** CHUNK_TREE_HEIGHT; i++) {
events.push({
hash: randomBN(31).toString(),
instance: randomBN(20).toString(),
block: randomBN(4).toString(),
})
}
const { input } = batchTreeUpdate(tree, events)
const proof = await prove(input, './artifacts/circuits/BatchTreeUpdate')
expect(proof.length).to.be.gt(0)
})
})