chore(contracts): create script to add mock data on testnets

Former-commit-id: 76aba71eba

packages/contracts/package.json

@@ -6,6 +6,7 @@
         "compile": "hardhat compile",
         "deploy": "hardhat deploy",
         "verify": "hardhat run scripts/verify-contracts.ts",
+        "mock": "hardhat run scripts/create-mock-groups.ts",
         "test": "hardhat test",
         "test:report-gas": "REPORT_GAS=true hardhat test",
         "test:coverage": "hardhat coverage",

packages/contracts/scripts/create-mock-groups.ts

@@ -0,0 +1,62 @@
+import { Group } from "@semaphore-protocol/group"
+import { Identity } from "@semaphore-protocol/identity"
+import { generateProof } from "@semaphore-protocol/proof"
+import { ethers, hardhatArguments } from "hardhat"
+import { getDeployedContracts } from "./utils"
+
+async function main() {
+    const deployedContracts = getDeployedContracts(hardhatArguments.network)
+
+    if (deployedContracts) {
+        const semaphoreContract = await ethers.getContractAt("Semaphore", deployedContracts.Semaphore)
+
+        const [admin] = await ethers.getSigners()
+        const adminAddress = await admin.getAddress()
+
+        const identity = new Identity(0)
+        const members = Array.from({ length: 3 }, (_, i) => new Identity(i)).map(({ commitment }) => commitment)
+        const group = new Group(members)
+
+        const groupId = 42
+
+        console.info(`Creating group '${groupId}' with ${members.length} members...`)
+
+        // Create a group and add 3 members.
+        await semaphoreContract["createGroup(uint256,address)"](groupId, adminAddress)
+        await semaphoreContract.addMembers(groupId, members)
+
+        console.info(`Removing third member from group '${groupId}'...`)
+
+        // Remove the third member.
+        {
+            group.removeMember(2)
+            const { siblings } = group.generateMerkleProof(2)
+
+            await semaphoreContract.removeMember(groupId, members[2], siblings)
+        }
+
+        console.info(`Updating second member from group '${groupId}'...`)
+
+        // Update the second member.
+        {
+            group.updateMember(1, members[2])
+            const { siblings } = group.generateMerkleProof(1)
+
+            await semaphoreContract.updateMember(groupId, members[1], members[2], siblings)
+        }
+
+        console.info(`Validating a proof generated by the first member of group '${groupId}'...`)
+
+        // Validate a proof.
+        const proof = await generateProof(identity, group, 42, 9, 10)
+
+        await semaphoreContract.validateProof(groupId, proof)
+    }
+}
+
+main()
+    .then(() => process.exit(0))
+    .catch((error) => {
+        console.error(error)
+        process.exit(1)
+    })

packages/contracts/scripts/utils.ts

@@ -0,0 +1,15 @@
+import { readFileSync } from "fs"
+
+export type DeployedContracts = {
+    Poseidon: string
+    Semaphore: string
+    Verifier: string
+}
+
+export function getDeployedContracts(network: string | undefined): DeployedContracts | null {
+    try {
+        return JSON.parse(readFileSync(`./deployed-contracts/${network}.json`, "utf8"))
+    } catch (error) {
+        return null
+    }
+}

packages/contracts/scripts/verify-contracts.ts

@@ -1,19 +1,5 @@
 import { hardhatArguments, run } from "hardhat"
-import { readFileSync } from "fs"
-
-type DeployedContracts = {
-    Poseidon: string
-    Semaphore: string
-    Verifier: string
-}
-
-export function getDeployedContracts(network: string | undefined): DeployedContracts | null {
-    try {
-        return JSON.parse(readFileSync(`./deployed-contracts/${network}.json`, "utf8"))
-    } catch (error) {
-        return null
-    }
-}
+import { getDeployedContracts } from "./utils"
 
 async function verify(address: string, constructorArguments?: any[]): Promise<void> {
     try {