# Solana Meteora DAMM v2 Account Parsing

For **trading bots** operating on Meteora DAMM v2, tracking real-time account state is as critical as monitoring transactions. These accounts hold the live data necessary for optimizing strategies, including **dynamic fee adjustments, concentrated liquidity positions, and even anti-sniper mechanism statuses**. This document will show you how to stream and parse Meteora DAMM v2 account data, providing your bots with the immediate, precise insights needed to navigate and profit from these advanced liquidity pools.

{% hint style="success" %}
The complete source code for this project is available on GitHub. 

* [<mark style="color:yellow;">TypeScript</mark>](https://github.com/Shyft-to/solana-defi/tree/main/Meteora/Typescript/stream_and_parse_meteora_damm_v2_accounts)

Please feel free to clone the repository and try it out. Additionally, you will find other relevant and useful code examples related to gRPC and streaming [<mark style="color:yellow;">here</mark>](https://github.com/Shyft-to/solana-defi).
{% endhint %}

## Step-by-Step Breakdown

This project consists of two key components:

1. Streaming Meteora DAMM v2 Accounts via Yellowstone gRPC
2. Decoding those accounts using the program's IDL

### Streaming Accounts Using gRPC

The first step involves initializing the Solana Yellowstone Client. You can get Solana Yellowstone gRPC access from the Shyft Dashboard. Please check out our [gRPC Authentication Docs](https://docs.shyft.to/docs#authentication) for more details.&#x20;

#### Initializing the Client

Once you have the authentication details, you can initialize the client in the following manner,

{% tabs %}
{% tab title="TypeScript" %}

```typescript
import Client from "@triton-one/yellowstone-grpc";

const client = new Client(
  "YOUR-GRPC-ENDPOINT", //yellowstone grpc url
  "GRPC-ACCESS-TOKEN", //authentication token
  undefined
);
```

{% endtab %}

{% tab title="Rust" %}

```rust
use yellowstone_grpc_client::{GeyserGrpcClient, Interceptor}

async fn connect(&self) -> anyhow::Result<GeyserGrpcClient<impl Interceptor>> {
     GeyserGrpcClient::build_from_shared(self.endpoint.clone())? //grpc url
            .x_token(Some(self.x_token.clone()))? //grpc auth token
            .connect_timeout(Duration::from_secs(10))
            .timeout(Duration::from_secs(10))
            .tls_config(ClientTlsConfig::new().with_native_roots())?
            .max_decoding_message_size(1024 * 1024 * 1024)
            .connect()
            .await
            .map_err(Into::into)
}
```

{% endtab %}
{% endtabs %}

You can use any **Yellowstone** gRPC endpoint with this client. An access token is **optional**, as some gRPC services don't require authentication.

The Rust client supports several additional options, as demonstrated in the example above. Most of these options are also available for the TS client, where they are passed as the third argument to the `Client` constructor.

#### Specifying what data to stream from gRPC

To specify what on-chain data,  we send a `SubscribeRequest` over the existing **Solana Yellowstone gRPC** client. These Request allows you to filter for specific **accounts**, **transactions**, **slots**, or other **Solana on-chain events**, giving you full control over the data you receive.

[SubscribeRequests ](https://docs.shyft.to/docs#what-are-subscribe-requests)use filters to determine what type of on-chain data to stream. When streaming account-level data, the <mark style="color:yellow;">account filter</mark> plays a crucial role. Specifically, the `owner` field within the filter allows you to stream data for accounts owned by a particular Solana program.

{% tabs %}
{% tab title="TypeScript" %}
{% code overflow="wrap" %}

```typescript
const req: SubscribeRequest = {
  "slots": {},
  "accounts": {
    "pumpfun": {
      "account": [],
      "filters": [],
      "owner": ["LanMV9sAd7wArD4vJFi2qDdfnVhFxYSUg6eADduJ3uj"] // This field indicates 
    }
  },
  "transactions": {},
  "blocks": {},
  "blocksMeta": {},
  "accountsDataSlice": [],
  "commitment": CommitmentLevel.PROCESSED, // Subscribe to processed blocks for the fastest updates
  "entry": {},
  "transactionsStatus": {}
}
```

{% endcode %}
{% endtab %}
{% endtabs %}

Once established, the stream will begin sending data directly to your application. You have the flexibility to [**modify your subscription**](https://docs.shyft.to/solana-yellowstone-grpc/docs/getting-started/modify-grpc-subscribe-request) **on the fly**, allowing you to change the data specifications you receive without stopping your stream. For more details on [**reconnecting and re-starting the stream from a specific slot**](https://docs.shyft.to/solana-yellowstone-grpc/docs/getting-started/replaying-slots-with-grpc)**, or** [**closing your gRPC connection**](https://docs.shyft.to/solana-yellowstone-grpc/docs/getting-started/gracefully-closing-a-grpc-connection), you can find additional information in our [documentation](https://docs.shyft.to/solana-yellowstone-grpc/docs).

### Decoding the received accounts

When account data updates on-chain, it's immediately sent over the stream. To make sense of this raw information, we need to decode it. In JavaScript/TypeScript, we typically use `BorshAccountCoder` from <mark style="color:yellow;">`@coral-xyz/anchor`</mark> to parse the account data like this.

On Rust however, we can use the Solores generated IDL like in our [transaction parsing](https://docs.shyft.to/solana-yellowstone-grpc/examples/pumpfun/solana-grpc-pumpfun-transaction-parsing) example.

{% tabs %}
{% tab title="TypeScript" %}
{% code overflow="wrap" %}

```typescript
import { BorshAccountsCoder } from "@coral-xyz/anchor";

const program_idl = JSON.parse(fs.readFileSync('./idls/meteora_damm_v2.json', "utf8"));

const coder = new BorshAccountsCoder(program_idl); //initializing BorshCoder with IDL

export async function getParsedMeteoraDammV2Account(data) {
    if (!data || !data.account || !data.account.account) return;

    const dataTx = data.account.account;

    let parsedAccount;
    try {
        parsedAccount = coder.decodeAny(dataTx?.data); //decoding account
    } catch (error) {
        console.error("Failed to decode pool state:", error);
    }
}
```

{% endcode %}
{% endtab %}
{% endtabs %}

### Important Links

* [**Solana gRPC Documentation**](https://docs.shyft.to/solana-yellowstone-grpc/docs) – In-depth technical docs for implementing real-time streaming with **Yellowstone gRPC** and **Geyser plugin** on Solana.
* [**Blogs on Solana gRPC Streaming**](https://blogs.shyft.to/) – Guides, use cases, and performance benchmarks for building **low-latency Solana applications** using **gRPC-based infrastructure**.
* [**Solana DeFi Code Snippets & Examples**](https://github.com/Shyft-to/solana-defi/) – Ready-to-use code snippets and integrations for common **DeFi protocols**, **transaction parsers**, and **real-time Solana data streaming** use cases.