### Install dependencies (viem and dotenv)

Source: https://docs.frax.com/frxusd/cross-chain-mint-and-redeem-quickstart

Installs the required dependencies, including viem and dotenv, using npm.

```bash
npm install dotenv@^16.4.7 viem@^2.23.4
```

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

### Install Solana wallet adapter dependencies

Source: https://docs.frax.com/frxusd/cross-chain-transfers-quickstarts/transfer-from-solana

Run this command in your project directory to install the required Solana wallet adapter packages. The command specifies versions @solana/wallet-adapter-react@^0.15.35 and @solana/wallet-adapter-wallets@^0.19.32.

```bash
npm install @solana/wallet-adapter-react@^0.15.35 @solana/wallet-adapter-wallets@^0.19.32
```

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

### Install Graph CLI

Source: https://docs.frax.com/fraxtal/tools/indexers

Install the Graph CLI globally using npm. Required before initializing a subgraph.

```bash
$ npm install -g @graphprotocol/graph-cli
```

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

### Set Up Wallet and Public Clients

Source: https://docs.frax.com/frxusd/stake-and-unstake-quickstart-ethereum

Creates a wallet client and a public client for Ethereum mainnet using viem. The wallet client uses the account from the configuration constants.

```javascript
// Set up wallet client
const ethereumWalletClient = createWalletClient({
  chain: mainnet,
  transport: http(),
  account,
});
 
// Set up public client
const ethereumPublicClient = createPublicClient({
  chain: mainnet,
  transport: http(),
});
```

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

### GET /processDeposit Response

Source: https://docs.frax.com/fraxnet/api/frxusd-endpoints

Example JSON response from the /processDeposit endpoint, showing a successful deposit processing with transaction hashes and USDC amount.

```json
{
  "ok": true,
  "createFraxNetDepositTx": "0x...",
  "contractAlreadyDeployed": false,
  "processDepositTx": "0x...",
  "depositAddress": "0x...",
  "usdcAmount": "1000000"
}
```

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

### Set up wallet client with viem for Ethereum mainnet

Source: https://docs.frax.com/frxusd/mint-and-redeem-quickstarts/buidl

Configures a wallet client on the source chain using viem. This example uses Ethereum mainnet and the account defined in the configuration constants. Required for minting and redeeming frxUSD with BUIDL.

```javascript
// Set up a wallet client on the source chain
const ethereumClient = createWalletClient({
  chain: mainnet,
  transport: http(),
  account,
});
```

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

### GET /fetchAddress Response

Source: https://docs.frax.com/fraxnet/api/frxusd-endpoints

Example JSON response from the /fetchAddress endpoint, showing a successful retrieval of a deterministic deposit address with beneficiary and targetEid parameters.

```json
{
  "ok": true,
  "deploymentAddress": "0x...",
  "params": {
    "beneficiary": "0x...",
    "targetEid": 30332
  }
}
```

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

### GET /processRedemption Response

Source: https://docs.frax.com/fraxnet/api/frxusd-endpoints

Example JSON response from the /processRedemption endpoint, showing a successful redemption with transaction hashes, frxUSD amount, and CCTP relay status.

```json
{
  "ok": true,
  "createFraxNetDepositTx": "0x...",
  "contractAlreadyDeployed": false,
  "processRedemptionTx": "0x...",
  "depositAddress": "0x...",
  "frxUSDAmount": "1000000000000000000",
  "cctpRelay": {
    "status": "pending_attestation",
    "jobId": "0x...",
    "destDomain": 13
  }
}
```

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

### Initialize a new Node.js project

Source: https://docs.frax.com/frxusd/cross-chain-mint-and-redeem-quickstart

Creates a new directory and initializes a Node.js project with default settings using npm init -y.

```bash
mkdir frxusd-cross-chain-minting
cd frxusd-cross-chain-minting
npm init -y
```

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

### Set Up Wallet and Public Clients for Arbitrum

Source: https://docs.frax.com/frxusd/stake-and-unstake-quickstart-evm-chains

Creates a wallet client and a public client for the Arbitrum network using viem. The wallet client uses the account from the configuration constants.

```javascript
// Set up wallet client
const arbitrumWalletClient = createWalletClient({
  chain: arbitrum,
  transport: http(),
  account,
});
 
// Set up public client
const arbitrumPublicClient = createPublicClient({
  chain: arbitrum,
  transport: http(),
});
```

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

### GET /fetchAddress

Source: https://docs.frax.com/fraxnet/api

Get deposit address for frxUSD operations.

```APIDOC
## GET /fetchAddress

### Description
Get deposit address for frxUSD operations.

### Method
GET

### Endpoint
/fetchAddress

### Response
#### Success Response (200)
- **ok** (boolean) - Indicates success.

#### Response Example
{
  "ok": true
}
```

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

### GET /branded/fetchAddress

Source: https://docs.frax.com/fraxnet/api

Get deposit address for branded stablecoin operations.

```APIDOC
## GET /branded/fetchAddress

### Description
Get deposit address for branded stablecoin operations.

### Method
GET

### Endpoint
/branded/fetchAddress

### Response
#### Success Response (200)
- **ok** (boolean) - Indicates success.

#### Response Example
{
  "ok": true
}
```

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

### Initialize Envio indexer with pnpx envio init

Source: https://docs.frax.com/fraxtal/tools/indexers

Run this command to auto-generate an indexer from any verified contract. Requires pnpm (pnpx) and an existing contract to verify.

```bash
$ pnpx envio init
```

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

### Create and initialize Node.js project

Source: https://docs.frax.com/frxusd/stake-and-unstake-quickstart-evm-chains

Commands to create a new directory and initialize a Node.js project with default settings. This sets up the project structure for the staking script.

```bash
mkdir frxusd-staking-arbitrum
cd frxusd-staking-arbitrum
npm init -y
```

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

### GET /activeJobs

Source: https://docs.frax.com/fraxnet/api/cctp-relay

Get a summary of all CCTP relay jobs and their statuses. No parameters required.

```APIDOC
## GET /activeJobs

### Description
Summary of all CCTP relay jobs and their statuses. No parameters required.

### Method
GET

### Endpoint
/activeJobs

### Parameters
None

### Response
#### Success Response (200)
- **ok** (boolean) - Indicates success
- **total_jobs** (number) - Total number of jobs
- **total_active** (number) - Number of active jobs
- **counts** (object) - Counts by status
  - **pending_attestation** (number) - Jobs pending attestation
  - **relaying** (number) - Jobs being relayed
  - **complete** (number) - Completed jobs
  - **already_relayed** (number) - Jobs already relayed
  - **failed** (number) - Failed jobs
- **active_jobs** (array) - List of active jobs
  - **job_id** (string) - Job ID
  - **status** (string) - Current status
  - **dest_domain** (number) - Destination domain ID
  - **created_at** (number) - Timestamp of job creation

#### Response Example
```
{
  "ok": true,
  "total_jobs": 42,
  "total_active": 5,
  "counts": {
    "pending_attestation": 3,
    "relaying": 2,
    "complete": 30,
    "already_relayed": 5,
    "failed": 2
  },
  "active_jobs": [
    {
      "job_id": "0x...",
      "status": "pending_attestation",
      "dest_domain": 0,
      "created_at": 1709729600
    }
  ]
}
```
```

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

### Set Up Wallet and Public Clients with viem

Source: https://docs.frax.com/frxusd/cross-chain-mint-and-redeem-quickstart

Creates wallet and public clients for Ethereum mainnet and Base mainnet using viem. The wallet client uses the configured account, and public clients are used for reading chain data.

```javascript
// Set up wallet and public clients
const ethereumWalletClient = createWalletClient({
  chain: mainnet,
  transport: http(),
  account,
});
 
const ethereumPublicClient = createPublicClient({
  chain: mainnet,
  transport: http(),
});
 
const baseWalletClient = createWalletClient({
  chain: base,
  transport: http(),
  account,
});
 
const basePublicClient = createPublicClient({
  chain: base,
  transport: http(),
});
```

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

### Set Up Wallet and Public Clients with viem

Source: https://docs.frax.com/frxusd/cross-chain-transfers-quickstarts/transfer-with-fraxtal

Creates wallet and public clients for Ethereum mainnet, Fraxtal mainnet, and Arbitrum mainnet using viem. These clients are used to conduct frxUSD transfers between the specified chains.

```javascript
// Set up wallet clients
const ethereumWalletClient = createWalletClient({
  chain: mainnet,
  transport: http(),
  account,
});
 
const fraxtalWalletClient = createWalletClient({
  chain: fraxtal,
  transport: http(),
  account,
});
 
const arbitrumWalletClient = createWalletClient({
  chain: arbitrum,
  transport: http(),
  account,
});
 
// Set up public clients for different chains
const ethereumPublicClient = createPublicClient({
  chain: mainnet,
  transport: http(),
});
 
const fraxtalPublicClient = createPublicClient({
  chain: fraxtal,
  transport: http(),
});
 
const arbitrumPublicClient = createPublicClient({
  chain: arbitrum,
  transport: http(),
});
```

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

### Install @fraxfinance/layerzero-v2-upgradeable

Source: https://docs.frax.com/protocol/crosschain/code

Install the Frax LayerZero V2 upgradeable package via npm to use the OFT contracts and Solidity libraries.

```bash
npm install @fraxfinance/layerzero-v2-upgradeable
```

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

### initialize(uint256 _maxSlippage)

Source: https://docs.frax.com/fraxnet/contracts/rwaRedemptionCoordinator

Can be used via upgradeToAndCall to initialize post-deployment. Fails if already initialized.

```APIDOC
## initialize(uint256 _maxSlippage)

### Description
Can be used via upgradeToAndCall to initialize post-deployment. Fails if already initialized.

### Parameters
- **_maxSlippage** (uint256) - Required - Maximum allowed slippage in base 1e5.

### Errors
- **AlreadyInitialized()** - Thrown if `initialize()` is called more than once.

```

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

### Install Goldsky CLI

Source: https://docs.frax.com/fraxtal/tools/indexers

Install the Goldsky CLI using the provided curl command. This is the first step to using Goldsky for indexing Fraxtal data.

```bash
$ curl https://goldsky.com | sh
```

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

### Subgraph Query URL Example

Source: https://docs.frax.com/fraxtal/tools/indexers

Example query URL for a subgraph on The Graph's decentralized network. Replace [api-key] with your own API key from Subgraph Studio.

```text
https://gateway.network.thegraph.com/api/[api-key]/subgraphs/id/HdVdERFUe8h61vm2fDyycgxjsde5PbB832NHgJfZNqK
```