# atst cli docs

![preview](../assets/preview.gif)

## Installation

```bash
npm install @eth-optimism/atst --global
```

## Usage

```bash
npx atst <command> [options]
```

### Commands

- `read` read an attestation
- `write` write an attestation

For more info, run any command with the `--help` flag:

```bash
npx atst read --help
npx atst write --help
```

### General options

- `-h`, `--help` Display help message
- `-v`, `--version` Display version number


### Read

- `--creator <address>` Address of the creator of the attestation
- `--about <address>` Address of the subject of the attestation
- `--key <string>` Key of the attestation either as string or hex number
- `[--data-type <string>]` The DataType type `string` | `bytes` | `number` | `bool` | `address` (default: `string`)
- `[--rpc-url <url>]` Rpc url to use (default: `https://mainnet.optimism.io`)
- `[--contract <address>]` Contract address to read from (default: `0xEE36eaaD94d1Cc1d0eccaDb55C38bFfB6Be06C77`)
- `-h`, `--help` Display help message

Example:

```bash
npx atst read --key "optimist.base-uri" --about 0x2335022c740d17c2837f9C884Bfe4fFdbf0A95D5 \
    --creator 0x60c5C9c98bcBd0b0F2fD89B24c16e533BaA8CdA3
```

### Write

- `--private-key <string>` Private key of the creator of the attestation
- `[--data-type <string>]` The DataType type `string` | `bytes` | `number` | `bool` | `address` (default: `string`)
- `--about <address>` Address of the subject of the attestation
- `--key <address>` Key of the attestation either as string or hex number
- `--value <string>` undefined
- `[--rpc-url <url>]` Rpc url to use (default: `https://mainnet.optimism.io`)
- `[--contract <address>]` Contract address to read from (default: 0xEE36eaaD94d1Cc1d0eccaDb55C38bFfB6Be06C77) 
- `-h`, `--help` Display this message

Example: 

```bash
npx atst write --key "optimist.base-uri" \
    --about 0x2335022c740d17c2837f9C884Bfe4fFdbf0A95D5 \
    --value "my attestation" \
    --private-key 0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80 \
    --rpc-url http://goerli.optimism.io
```