docs: update usage section

Former-commit-id: 7362fe2a74628fa962e7df5439649d0f927df8f7 [formerly 70a9b8ceccfca6f20f1f84389abbc07ed862278a] [formerly c829822284bff219a3c8b5e8a53b0c3de03e1a28 [formerly 1f678ba12f7ef820b0bf9f3e5f4fba63de3951b6]] [formerly 24521b49a0c08d357ff5bac4a1aedebe9941616f [formerly dbfb4fc2a579c1bdcf7dfa9afa1a32a279a75bab] [formerly 27d02d534d217e816b49841096ecfb133ad4eff5 [formerly dfd4b1ce01]]]
Former-commit-id: d292d605f4c21c7f20eb6a5570367e65f201a2a6 [formerly b2fce3682648c27386aa5a51ba64e2da8a3f8074] [formerly 51416c45beed20e46bab4735993996219bbf927f [formerly e4bb077a036d6b5fd2a86b3c3ed90e09fafe4df0]]
Former-commit-id: a1da6d414f75f4d2ad0473d9ee7baf7f47ef4c53 [formerly 271d7c6ccd532d1772218a5b152ebc63f9ce0950]
Former-commit-id: bceb2d8e5987c4a18427a13e841d01f5fbfcc99b
This commit is contained in:
Omar Desogus
2022-02-01 16:33:03 +01:00
committed by GitHub
parent 3abe5592d5
commit 8e90d3eb8e

View File

@@ -61,47 +61,30 @@ yarn add @zk-kit/protocols
## 📜 Usage
**Import**
### Generating Merkle proofs
```typescript
import { ZkIdentity, Identity } from "@zk-kit/identity"
import {
Semaphore,
MerkleProof,
IProof,
generateMerkleProof,
genExternalNullifier,
genSignalHash
} from "@zk-kit/protocols"
import { ZkIdentity } from "@zk-kit/identity"
import { generateMerkleProof } from "@zk-kit/protocols"
const depth = 20
const zeroValue= BigInt(0)
const arity = 5
const identityCommitments = [...];
const identity = new ZkIdentity();
const identityCommitment = identity.genIdentityCommitment();
const merkleProof = generateMerkleProof(depth, zeroValue, arity, identityCommitments, identityCommitment);
```
```javascript
const { ZkIdentity } = require("@zk-kit/identity")
const { Semaphore, Rln, NRln, generateMerkleProof, genExternalNullifier, genSignalHash } = require("@zk-kit/protocols")
```
**Merkle Proofs**
Generate merkle proof for your identity given the array of registered identity commitments
### Creating Semaphore proofs
```typescript
const identityCommitments: Array<bigint> = [...];
const identity: ZkIdentity = new ZkIdentity();
const identityCommitment: bigint = identity.genIdentityCommitment();
import { Semaphore, genExternalNullifier } from "@zk-kit/protocols"
const merkleProof: MerkleProof = generateMerkleProof(TREE_DEPTH, ZERO_VALUE, NUMBER_OF_LEAVES_PER_NODE, identityCommitments, identityCommitment);
```
**Semaphore**
In order to create semaphore proof, make sure to
```typescript
const signal = "0x111"
const externalNullifier = genExternalNullifier("voting_1")
const witness = Semaphore.genWitness(identity, merkleProof, externalNullifier, signal)
const fullProof = await Semaphore.genProof(witness, wasmFilePath, finalZkeyPath)
const fullProof = await Semaphore.genProof(witness, "./semaphore.wasm", "./semaphore.zkey")
```
## 📜 Final Note
For full examples of how to integrate with contracts check https://github.com/appliedzkp/semaphore repository.
For additional info check tests directory.