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