### Quick Start Commands

Source: https://docs.theinterfold.com/CRISP/setup

Commands to install dependencies, build the project, and start all required services including Hardhat, contracts, and servers.

```bash
# Install dependencies and build everything
pnpm dev:setup
 
# Start all services (Hardhat, contracts, ciphernodes, program server, coordination server, and UI)
pnpm dev:up
```

--------------------------------

### Compile circuits for CRISP example

Source: https://docs.theinterfold.com/noir-circuits

Example entrypoint script for compiling circuits in the CRISP project.

```bash
cd examples/CRISP
./scripts/compile_circuits.sh
```

--------------------------------

### Start Node

Source: https://docs.theinterfold.com/ciphernode-operators/running

Commands to start the node in the foreground or manage multiple nodes using the supervisor.

```bash
# Start in foreground with verbose logging
interfold start -v
 
# Or use the node supervisor for multiple nodes
interfold nodes up --detach
interfold nodes ps          # Check status
interfold nodes logs cn1    # View logs
interfold nodes down        # Stop all nodes
```

--------------------------------

### Install rzup

Source: https://docs.theinterfold.com/compute-provider

Installs rzup, the RISC Zero toolchain installer. Follow the instructions provided by the installer.

```bash
curl -L https://risczero.com/install | bash
```

--------------------------------

### Start the development environment with pnpm dev:all

Source: https://docs.theinterfold.com/quick-start

Launches all local services: Hardhat Ethereum network, smart contract deployment, ciphernodes, coordination server, FHE program server, and frontend client. Wait 30-60 seconds for all services to start.

```bash
pnpm dev:all
```

--------------------------------

### Install and configure nargo toolchain

Source: https://docs.theinterfold.com/noir-circuits

Use the noirup script to install the Noir version manager, set the path, and install the pinned compiler version.

```bash
curl -L https://raw.githubusercontent.com/noir-lang/noirup/main/install | bash
export PATH="$PATH:$HOME/.nargo/bin"   # installer writes this to your shell profile, not this shell
noirup -v v1.0.0-beta.26               # NOIR_TOOLCHAIN in .github/workflows/ci.yml
nargo --version
```

--------------------------------

### Verify Interfold installation

Source: https://docs.theinterfold.com/installation

Run the help command to confirm the CLI is installed and working.

```bash
interfold --help
```

--------------------------------

### Install RISC Zero toolchain with rzup

Source: https://docs.theinterfold.com/compute-provider

Runs rzup to install the RISC Zero toolchain. Execute after installing rzup.

```bash
rzup
```

--------------------------------

### Install SDK and React packages

Source: https://docs.theinterfold.com/sdk

Install the TypeScript SDK and optional React hooks using pnpm.

```shell
pnpm add @interfold/sdk           # TypeScript SDK
pnpm add @interfold/react         # React hooks (optional)
```

--------------------------------

### Install Interfold CLI via wget

Source: https://docs.theinterfold.com/installation

Use the wget installer script to download and install interfoldup.

```bash
wget -qO- https://raw.githubusercontent.com/theinterfold/interfold/main/install | bash
```

--------------------------------

### Install Rust and Foundry

Source: https://docs.theinterfold.com/compute-provider

Installs Rust and Foundry, prerequisites for setting up RISC Zero with Boundless. Run these commands in a terminal and follow any prompts.

```bash
# Install Rust
curl https://sh.rustup.rs -sSf | sh
# Install Foundry
curl -L https://foundry.paradigm.xyz | bash
```

--------------------------------

### Install Interfold CLI

Source: https://docs.theinterfold.com/ciphernode-operators/running

Use these commands to download and install the Interfold CLI tool.

```bash
# Quick install
curl -fsSL https://raw.githubusercontent.com/theinterfold/interfold/main/install | bash
 
# Then install the CLI
interfoldup install
```

--------------------------------

### Install React Hook Helpers

Source: https://docs.theinterfold.com/setting-up-server

Install the Interfold SDK and React hook helpers for React applications.

```bash
pnpm add @interfold/sdk @interfold/react
```

--------------------------------

### Run the Ciphernode container

Source: https://docs.theinterfold.com/ciphernode-operators/running

Start the container with the required volume mounts for configuration, secrets, and persistent data.

```bash
docker run -d \
  --name ciphernode \
  --restart unless-stopped \
  --stop-timeout 300 \
  -v $(pwd)/config.yaml:/home/ciphernode/.config/interfold/config.yaml:ro \
  -v $(pwd)/secrets.json:/run/secrets/secrets.json:ro \
  -v ciphernode-data:/home/ciphernode/.local/share/interfold \
  -p 9091:9091/udp \
  "$CIPHERNODE_IMAGE"
```

--------------------------------

### Build Interfold binary from source

Source: https://docs.theinterfold.com/installation

Use cargo to build and install the binary from the local source.

```bash
cargo install --locked --path ./crates/cli --bin interfold -f
```

--------------------------------

### Server Logs for E3 Computation

Source: https://docs.theinterfold.com/CRISP/running-e3

Example server logs showing vote submission, computation start and completion, and ciphertext publishing.

```text
[2024-10-22 11:59:12] [handlers.rs:95] - Vote Count: 1
[2024-10-22 11:59:12] [handlers.rs:101] - Starting computation for E3: 0
Prove function execution time: 2 minutes and 37 seconds
[2024-10-22 12:01:49] [handlers.rs:109] - Computation completed for E3: 0
[2024-10-22 12:01:49] [handlers.rs:110] - RISC0 Output: Risc0Output { result: ComputeResult } ...
[2024-10-22 12:01:49] [handlers.rs:111] - Publishing ciphertext...
```

--------------------------------

### Set Up Credentials

Source: https://docs.theinterfold.com/ciphernode-operators/running

Configure your encryption password, network keypair, and wallet private key for node operations.

```bash
# Set encryption password (encrypts local keystore)
interfold password set
 
# Generate or set network keypair (for libp2p)
interfold net keypair generate
# Or import an existing key:
# interfold net keypair set --net-keypair 0x...
 
# Set your wallet private key (for on-chain transactions)
interfold wallet set --private-key 0xYourPrivateKey
```

--------------------------------

### Install Interfold CLI via curl

Source: https://docs.theinterfold.com/installation

Use the curl installer script to download and install interfoldup.

```bash
curl -fsSL https://raw.githubusercontent.com/theinterfold/interfold/main/install | bash
```

--------------------------------

### Initialize SDK with viem clients

Source: https://docs.theinterfold.com/sdk

Sets up the InterfoldSDK using viem public and wallet clients for the Sepolia chain. Pass contract addresses from environment variables and set thresholdBfvParamsPresetName to match the target E3's parameters.

```typescript
import { InterfoldSDK, InterfoldEventType, RegistryEventType } from '@interfold/sdk'
import { createPublicClient, createWalletClient, http, custom } from 'viem'
import { sepolia } from 'viem/chains'
 
const publicClient = createPublicClient({
  chain: sepolia,
  transport: http(import.meta.env.VITE_RPC_URL),
})
const walletClient = createWalletClient({
  chain: sepolia,
  transport: custom(window.ethereum),
})
 
const sdk = new InterfoldSDK({
  publicClient,
  walletClient,
  contracts: {
    interfold: import.meta.env.VITE_INTERFOLD_ADDRESS,
    ciphernodeRegistry: import.meta.env.VITE_REGISTRY_ADDRESS,
    feeToken: import.meta.env.VITE_FEE_TOKEN_ADDRESS,
  },
  chain: sepolia,
  // Match the parameter set selected by the target E3.
  thresholdBfvParamsPresetName: 'INSECURE_THRESHOLD_512',
})
```

--------------------------------

### Initialize Configuration

Source: https://docs.theinterfold.com/ciphernode-operators/running

Run this command to generate the initial configuration file at ~/.config/interfold/interfold.config.yaml.

```bash
interfold ciphernode setup
```

--------------------------------

### Start the coordination server

Source: https://docs.theinterfold.com/tutorials/deploy-to-testnet

Runs the development server with pnpm. The server connects to Sepolia via WebSocket and listens for E3 events.

```bash
pnpm dev:server
```

--------------------------------

### Install TypeScript SDK

Source: https://docs.theinterfold.com/setting-up-server

Install the Interfold SDK for TypeScript/JavaScript applications using pnpm.

```bash
pnpm add @interfold/sdk
```

--------------------------------

### Launch CRISP CLI

Source: https://docs.theinterfold.com/CRISP/running-e3

Launches the CRISP CLI from the example root. Use this to access the interactive menu for initializing a new E3 round.

```bash
pnpm cli
```

--------------------------------

### Verify RISC Zero installation

Source: https://docs.theinterfold.com/compute-provider

Verifies that the RISC Zero toolchain was installed successfully by checking the version.

```bash
cargo risczero --version
```

--------------------------------

### Initialize a new E3 project with interfold init

Source: https://docs.theinterfold.com/hello-world-tutorial

Creates a new E3 project named 'hello-world-e3' and navigates into it. Requires the Interfold CLI to be installed.

```bash
interfold init hello-world-e3
cd hello-world-e3
```

--------------------------------

### Install Interfold CLI using interfoldup

Source: https://docs.theinterfold.com/installation

Install the latest version of the Interfold CLI to the default directory or system-wide.

```bash
# Install to ~/.local/bin (default)
interfoldup install
 
# Install to /usr/local/bin (requires sudo)
interfoldup install --system
```

--------------------------------

### Example output for unregistered operator

Source: https://docs.theinterfold.com/ciphernode-operators/registration

Example output from the status command when the operator is not yet registered. It shows the operator key, bond owner as 'not configured', and registration/active flags as false.

```text
Ciphernode status on mainnet:
  Operator key: 0x70997970C51812dc3A010C7d01b50e0d17dc79C8
  Bond owner: not configured
  Registered: false
  Active: false
  Exit pending: false
  Ticket balance: 0 (0 available)
  Ciphernode bond: 0
  Pending exits: tickets=0, bond=0
  Requirements: minTickets=1, ticketPrice=1000 tFOLD, ciphernodeBond=32000 FOLD
```

--------------------------------

### Configure .env for Sepolia

Source: https://docs.theinterfold.com/tutorials/deploy-to-testnet

Set the RPC URLs, private key, chain ID, and existing contract addresses in your .env file.

```bash
# Sepolia RPC (WebSocket required for event listening)
WS_RPC_URL=wss://eth-sepolia.g.alchemy.com/v2/YOUR_KEY
HTTP_RPC_URL=https://eth-sepolia.g.alchemy.com/v2/YOUR_KEY
 
# Deployer private key (has Sepolia ETH)
PRIVATE_KEY=0x...
 
# Chain
CHAIN_ID=11155111
 
# Deployed Interfold contract addresses (Sepolia)
INTERFOLD_ADDRESS=0x3E856E24c7a95d0e04d387f847DA6FA9f6F6c20C
CIPHERNODE_REGISTRY_ADDRESS=0x374F4542eC634d5437Dd65020781A9D9Df9c2AB8
FEE_TOKEN_ADDRESS=0xC35B783cA97710be47Fc81D10dADc895EfcD865c
```

--------------------------------

### Fetching historical and live randomness provider events

Source: https://docs.theinterfold.com/sdk

To join history to a live watcher without overlap, read through a fixed head and start the watcher at the next block. The SDK rejects a conflicting explicit start block instead of silently dropping it.

```typescript
const historicalHead = await sdk.getPublicClient().getBlockNumber({ cacheTime: 0 })
const logs = await sdk.getHistoricalRandomnessProviderEvents(
  provider,
  RandomnessProviderEventType.RANDOMNESS_FULFILLED,
  providerDeployBlock,
  historicalHead,
)
await sdk.onRandomnessProviderEvent(
  provider,
  RandomnessProviderEventType.RANDOMNESS_FULFILLED,
  handleFulfillment,
  historicalHead + 1n,
)
```