### TON DNS Client Setup and Domain Resolution

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-dns.md

Demonstrates the setup and usage of the TON DNS client, including obtaining the DNS root contract address, creating a client instance, and resolving a domain. This example also shows how to retrieve and update wallet records.

```go
import (
    "github.com/xssnick/tonutils-go/ton/dns"
    "github.com/xssnick/tonutils-go/ton/wallet"
    "github.com/xssnick/tonutils-go/tlb"
)

// Get DNS root
root, err := dns.GetRootContractAddr(ctx, api)
if err != nil {
    log.Fatal(err)
}

// Create DNS client
dnsClient := dns.NewDNSClient(api, root)

// Resolve domain
domainInfo, err := dnsClient.Resolve(ctx, "mysite.ton")
if err != nil {
    log.Fatal(err)
}

// Get current wallet record
currentWallet := domainInfo.GetWalletRecord()
fmt.Printf("Current wallet: %s\n", currentWallet.String())

// Update wallet record using owner wallet
newWallet := address.MustParseAddr("EQCD39VS5jcptHL8vMjEXrzGaRcCVYto7HUn4bpAOg8xqB2N")
body := domainInfo.BuildSetWalletRecordPayload(newWallet)

// ownerWallet is the wallet that owns the domain (from seed)
err = ownerWallet.Send(ctx, &wallet.Message{
    Mode: 1, // pay fees separately
    InternalMessage: &tlb.InternalMessage{
        Bounce:  true,
        DstAddr: domainInfo.GetNFTAddress(),
        Amount:  tlb.MustFromTON("0.03"),
        Body:    body,
    },
}, true)

if err != nil {
    log.Fatal(err)
}

fmt.Println("Domain record updated successfully")

```

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

### Get Jetton Balance and Transfer Example

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-nft-jetton.md

Demonstrates how to get a jetton balance and initiate a transfer. This involves fetching jetton master data, obtaining the owner's jetton wallet, checking the balance, and then performing a transfer if sufficient balance exists.

```go
jettonMasterAddr := address.MustParseAddr("EQAbMQzuuGiCne0R7QEj9nrXsjM7gNjeVmrlBZouyC-SCLlO")
ownerAddr := address.MustParseAddr("EQC9bWZd29foipyPOGWlVNVCQzpGAjvi1rGWF7EbNcSVClpA")

// Get master info
master := jetton.NewJettonMasterClient(api, jettonMasterAddr)
jettonData, err := master.GetJettonData(ctx)
if err != nil {
    log.Fatal(err)
}

// Get wallet for owner
jettonWallet, err := master.GetJettonWallet(ctx, ownerAddr)
if err != nil {
    log.Fatal(err)
}

// Check balance
balance, err := jettonWallet.GetBalance(ctx)
if err != nil {
    log.Fatal(err)
}

fmt.Printf("Balance: %s\n", balance.String())

// Transfer
if balance.Cmp(big.NewInt(1000000000)) > 0 {
    recipient := address.MustParseAddr("EQCD39VS5jcptHL8vMjEXrzGaRcCVYto7HUn4bpAOg8xqB2N")
    err = jettonWallet.Transfer(ctx, myWallet, recipient, big.NewInt(1000000000))
    if err != nil {
        log.Fatal(err)
    }
}

```

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

### Development Setup with Testnet Configuration

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/configuration-reference.md

Configure the connection pool to use testnet servers with lenient proof validation. This setup is suitable for development and testing.

```go
// Testnet with lenient configuration
pool := liteclient.NewConnectionPool()
pool.AddConnectionsFromConfigUrl(context.Background(),
    "https://ton-blockchain.github.io/testnet-global.config.json")

api := ton.NewAPIClient(pool, ton.ProofCheckPolicyFast).
    WithRetryTimeout(3, 5*time.Second)
```

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

### Run Contract GET Method

Source: https://github.com/xssnick/tonutils-go/blob/master/README.md

Shows how to execute a contract's GET method (e.g., 'mult') with integer arguments and parse the returned cell result. Ensure you have fresh block information before running GET methods.

```Go
// api = initialized ton.APIClient, see Connection in readme

// we need fresh block info to run get methods
block, err := api.CurrentMasterchainInfo(context.Background())
if err != nil {
    panic(err)
}

// contract address
addr := address.MustParseAddr("kQB3P0cDOtkFDdxB77YX-F2DGkrIszmZkmyauMnsP1gg0inM")

// run get method `mult` of contract with int arguments 7 and 8
res, err := api.RunGetMethod(context.Background(), block, addr, "mult", 7, 8)
if err != nil {
    // if contract exit code != 0 it will be treated as an error too
    panic(err)
}

// we are sure that return value is 1 cell, we can directly cast it and parse
slice, err := res.MustCell(0).BeginParse()
if err != nil {
    panic(err)
}
val, err := slice.LoadUInt(64)
if err != nil {
    panic(err)
}

// prints 56
println(val)
```

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

### StoreAddr Example

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-cells.md

Stores a TON address.

```go
func (b *Builder) StoreAddr(addr *address.Address) (*Builder, error)
```

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

### Custom Unmarshaler Implementation Example

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-tlb.md

Example of implementing the Unmarshaler interface for custom parsing logic within LoadFromCell.

```go
type CustomType struct {
    // Fields
}

func (c *CustomType) LoadFromCell(s *cell.Slice) error {
    // Custom parsing logic
    val, err := s.LoadUInt(32)
    if err != nil {
        return err
    }
    // ... more parsing
    return nil
}
```

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

### Parse Account State Example

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-tlb.md

Demonstrates fetching account information and printing its balance, status, code hash, and data.

```go
block, _ := api.CurrentMasterchainInfo(ctx)
account, _ := api.GetAccount(ctx, block, addr)

fmt.Printf("Balance: %s TON\n", account.State.Balance.String())
fmt.Printf("Status: %s\n", account.State.Status)

if account.State.Status == tlb.AccountStatusActive {
    fmt.Printf("Code hash: %x\n", account.Code.Hash())
    fmt.Printf("Data: %s\n", account.Data.Dump())
}
```

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

### StoreBoolBit Example

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-cells.md

Stores a single bit, representing true as 1 and false as 0.

```go
func (b *Builder) StoreBoolBit(value bool) (*Builder, error)
```

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

### BeginParse Example

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-cells.md

Creates a reader slice from a cell for parsing its data. Handles potential errors during slice creation.

```go
slice, err := cell.BeginParse()
if err != nil {
    log.Fatal(err)
}

value, err := slice.LoadUInt(32)
fmt.Println("Value:", value)
```

```go
func (c *Cell) BeginParse() (*Slice, error)
```

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

### Build Merkle Proof Example

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-cells.md

Demonstrates how to use MerkleProofBuilder to load a value from a dictionary and create a Merkle proof. Ensure the root cell is correctly provided during initialization.

```go
proofBuilder := cell.NewMerkleProofBuilder(dictRoot)
dict := proofBuilder.Root().AsDict(256)

value, err := dict.LoadValue(myKey)
if err != nil {
    log.Fatal(err)
}

proof, err := proofBuilder.CreateProof()
if err != nil {
    log.Fatal(err)
}
```

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

### StoreDict Example

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-cells.md

Stores a dictionary reference. A nil dictionary will be stored as empty.

```go
func (b *Builder) StoreDict(dict *Dictionary) (*Builder, error)
```

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

### Production Setup with Mainnet Configuration

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/configuration-reference.md

Configure the connection pool for mainnet with secure proof validation. Includes setting a trusted block for validation and enabling error details.

```go
// Mainnet with strict validation
pool := liteclient.NewConnectionPool()
pool.AddConnectionsFromConfigUrl(context.Background(),
    "https://ton-blockchain.github.io/global.config.json")

api := ton.NewAPIClient(pool, ton.ProofCheckPolicySecure).
    WithRetryTimeout(5, 15*time.Second).
    WithLSInfoInErrors()

// Set trusted block for proof validation
api.SetTrustedBlockFromConfig(cfg)
```

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

### Call Smart Contract GET Method

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/integration-guide.md

Executes a 'GET' method on a smart contract and logs the results. This is useful for querying contract state without sending a transaction.

```go
package main

import (
    "context"
    "log"
    "time"

    "github.com/xssnick/tonutils-go/address"
    "github.com/xssnick/tonutils-go/liteclient"
    "github.com/xssnick/tonutils-go/ton"
)

func main() {
    client := liteclient.NewConnectionPool()
    defer client.Stop()

    ctx := context.Background()
    client.AddConnectionsFromConfigUrl(ctx,
        "https://ton-blockchain.github.io/testnet-global.config.json")

    api := ton.NewAPIClient(client).WithRetryTimeout(3, 5*time.Second)

    block, _ := api.CurrentMasterchainInfo(ctx)

    // Contract address
    contractAddr := address.MustParseAddr("EQArzJx8_WHsF2KTZeS7VBGHeurT0DtjfDOPA2BtMscSwXMe")

    // Call get method with parameters
    result, err := api.RunGetMethod(ctx, block, contractAddr, "get_contract_state")
    if err != nil {
        log.Fatal(err)
    }

    // Parse result cells
    if result.ExitCode == 0 {
        for i := 0; i < result.CellsCount(); i++ {
            cell := result.MustCell(i)
            log.Printf("Result cell %d: %s\n", i, cell.Dump())
        }
    }
}
```

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

### DumpBits Example

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-cells.md

Returns a binary representation of the cell, showing individual bits.

```go
func (c *Cell) DumpBits() string
```

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

### StoreCoins Example

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-cells.md

Stores a coin amount in the compact format used by TON. The amount is specified in nanotons.

```go
func (b *Builder) StoreCoins(amount *big.Int) (*Builder, error)
```

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

### Roundtrip Serialization Example

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-tlb.md

Demonstrates serializing a struct to a cell and then deserializing it back to verify the roundtrip process.

```go
// Struct -> Cell
payloadCell, err := tlb.ToCell(myPayload)

// Cell -> Struct (verify roundtrip)
var decoded MyPayloadType
err = tlb.Parse(&decoded, payloadCell)
```

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

### Build Custom Cells Example

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-tlb.md

Shows how to construct a custom cell by storing various data types like unsigned integers, addresses, and coins, then serializing it to BOC.

```go
cell := cell.BeginCell().
    MustStoreUInt(0x12345678, 32).
    MustStoreUInt(42, 256).
    MustStoreAddr(myAddr).
    MustStoreCoins(tlb.MustFromTON("1.0")),
    EndCell()

// Serialize to BoC
boc := cell.ToBOC()
```

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

### Execute GET Method on a Smart Contract

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-ton-client.md

Use RunGetMethod to execute a GET method of a smart contract. Parameters can be integers, cells, or slices. Ensure you have the correct block information, contract address, and method name.

```go
func (c *APIClient) RunGetMethod(ctx context.Context, blockInfo *BlockIDExt, addr *address.Address, 
    method string, params ...interface{}) (*ExecutionResult, error)
```

```go
block, err := api.CurrentMasterchainInfo(ctx)
if err != nil {
    log.Fatal(err)
}

addr := address.MustParseAddr("kQB3P0cDOtkFDdxB77YX-F2DGkrIszmZkmyauMnsP1gg0inM")
result, err := api.RunGetMethod(ctx, block, addr, "mult", 7, 8)
if err != nil {
    log.Fatal(err)
}

// Extract result (assuming single cell return)
cell := result.MustCell(0)
slice, err := cell.BeginParse()
if err != nil {
    log.Fatal(err)
}
value, err := slice.LoadUInt(64)
if err != nil {
    log.Fatal(err)
}
fmt.Println("Result:", value) // 56
```

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

### Create Wallet from Private Key with Options

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-wallet.md

Creates a wallet from a private key, allowing for custom configuration options. This is useful for advanced setups requiring specific wallet behaviors.

```go
func FromPrivateKeyWithOptions(ctx context.Context, api *ton.APIClient, key ed25519.PrivateKey, 
    version Version, options ...wallet.Option) (Wallet, error)
```

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

### BitsSize Example

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-cells.md

Returns the total number of bits stored in the cell. The size is capped at 1024 bits.

```go
func (c *Cell) BitsSize() int
```

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

### Hash Example

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-cells.md

Returns the SHA-256 hash of the cell's representation. The output is a 32-byte slice.

```go
func (c *Cell) Hash() []byte
```

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

### Setup TON Lite Client Connection

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/README.md

Initializes a connection pool for TON lite servers and adds connections from a configuration URL. It's recommended to defer stopping the client pool.

```go
client := liteclient.NewConnectionPool()
defer client.Stop()

client.AddConnectionsFromConfigUrl(ctx,
    "https://ton-blockchain.github.io/testnet-global.config.json")

api := ton.NewAPIClient(client).WithRetryTimeout(3, 5*time.Second)
```

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

### Iterate and Print Dictionary Items

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-cells.md

Example of iterating through all items loaded from a dictionary using LoadAll(). It demonstrates how to extract and print key and value data after loading.

```go
items, err := dict.LoadAll()
if err != nil {
    log.Fatal(err)
}

for _, item := range items {
    keyData, _ := item.Key.LoadUInt(256)
    valData, _ := item.Value.LoadUInt(32)
    fmt.Printf("Key: %d, Value: %d\n", keyData, valData)
}
```

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

### StoreInt Example

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-cells.md

Stores a signed integer in two's complement form. The bit length must be between 1 and 64.

```go
func (b *Builder) StoreInt(value int64, bits int) (*Builder, error)
```

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

### Dump Example

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-cells.md

Returns a human-readable string representation of the cell structure, including bit counts and hexadecimal data. It also shows nested cell references.

```go
cell := cell.BeginCell().
    MustStoreUInt(0xABCD, 16).
    MustStoreRef(
        cell.BeginCell().MustStoreUInt(42, 32).EndCell(),
    ).
    EndCell()

fmt.Println(cell.Dump())
```

```go
func (c *Cell) Dump() string
```

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

### Get Wallet State Initialization

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-wallet.md

Retrieves the StateInit (code and data) for a wallet, which is necessary for wallet deployment. Requires the public key, wallet version configuration, and subwallet ID.

```go
func GetStateInit(pubKey ed25519.PublicKey, version VersionConfig, subWallet uint32) (*tlb.StateInit, error)
```

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

### Handle Request Timeout

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/errors-reference.md

Handle request timeouts by setting a context deadline. This example demonstrates how to use context.WithTimeout and check for context.DeadlineExceeded to implement retries with a longer deadline.

```Go
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
def cancel()

err := client.QueryLiteserver(ctx, request, result)
if err == context.DeadlineExceeded {
    log.Println("Request timed out, retrying with longer deadline")
}
```

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

### Initialize and Use Wallet

Source: https://github.com/xssnick/tonutils-go/blob/master/README.md

Demonstrates how to initialize a wallet from a seed phrase, check its balance, and send a transfer if the balance is sufficient. The library handles wallet deployment if it's not already initialized.

```Go
words := strings.Split("birth pattern ...", " ")

w, err := wallet.FromSeedWithOptions(api, words, wallet.V3)
if err != nil {
    panic(err)
}

block, err := api.CurrentMasterchainInfo(context.Background())
if err != nil {
    panic(err)
}

balance, err := w.GetBalance(context.Background(), block)
if err != nil {
    panic(err)
}

if balance.Nano().Uint64() >= 3000000 {
    addr := address.MustParseAddr("EQCD39VS5jcptHL8vMjEXrzGaRcCVYto7HUn4bpAOg8xqB2N")
    err = w.Transfer(context.Background(), addr, tlb.MustFromTON("0.003"), "Hey bro, happy birthday!")
    if err != nil {
        panic(err)
    }
}
```

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

### StoreSlice Example

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-cells.md

Stores raw bits from a byte slice. The specified bit length determines how many bits are stored from the data.

```go
func (b *Builder) StoreSlice(data []byte, bits int) (*Builder, error)
```

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

### Safe Mode API Client Setup

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/configuration-reference.md

Configure the TON API client for maximum safety using ProofCheckPolicySecure and set retry timeouts. This is recommended for critical operations.

```go
// Maximum safety for important operations
api := ton.NewAPIClient(pool, ton.ProofCheckPolicySecure).
    WithRetryTimeout(10, 30*time.Second)

// Use sticky context for related operations
ctx := pool.StickyContext(context.Background())

// Always verify wallet state before sending
account, _ := api.GetAccount(ctx, block, w.GetAddress())
balance, _ := w.GetBalance(ctx, block)

if account.State.Status != tlb.AccountStatusActive {
    log.Println("Wallet not active")
    return
}
```

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

### Create and Dump Low-Level Proof Skeleton

Source: https://github.com/xssnick/tonutils-go/blob/master/README.md

Demonstrates creating a proof skeleton by specifying exact references to keep and then generating and dumping the merkle proof. Use this when you know the exact refs you want to keep.

```golang
sk := cell.CreateProofSkeleton()
sk.ProofRef(0).ProofRef(1)

// Tips:
//   you could also do SetRecursive() on needed ref to add all its child cells to proof
//   you can merge 2 proof skeletons using Merge

merkleProof, err := someCell.CreateProof(sk)
if err != nil {
    t.Fatal(err)
}

fmt.Println(merkleProof.Dump())
```

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

### High-Throughput Setup with Multiple Pools

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/configuration-reference.md

Distribute requests across multiple independent connection pools to achieve high throughput. Requests are distributed using a modulo operation on the request ID.

```go
// Multiple independent pools for parallel requests
pools := []*liteclient.ConnectionPool{}
for i := 0; i < 4; i++ {
    p := liteclient.NewConnectionPool()
    p.AddConnectionsFromConfigUrl(ctx, configURL)
    pools = append(pools, p)
}

// Distribute requests across pools
api := ton.NewAPIClient(pools[requestID % 4]).
    WithRetryTimeout(2, 3*time.Second)
```

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

### Execute GET Method by ID on a Smart Contract

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-ton-client.md

Use RunGetMethodByID to execute a GET method of a smart contract using its numeric ID. This is an alternative to using the method name string.

```go
func (c *APIClient) RunGetMethodByID(ctx context.Context, blockInfo *BlockIDExt, addr *address.Address, 
    methodID uint64, params ...interface{}) (*ExecutionResult, error)
```

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

### Build and Verify Proof with MerkleProofBuilder

Source: https://github.com/xssnick/tonutils-go/blob/master/README.md

Illustrates building a proof for data loaded from a dictionary using MerkleProofBuilder, then unwrapping and verifying the proof to load the data again. This is the recommended approach for proof generation.

```golang
dict := cell.NewDict(32)

key := cell.BeginCell().MustStoreUInt(7, 32).EndCell()
value := cell.BeginCell().
    MustStoreUInt(0xAB, 8).
    MustStoreRef(
        cell.BeginCell().
            MustStoreUInt(0xCDEF, 16).
            EndCell(),
    ).
    EndCell()

if err := dict.Set(key, value); err != nil {
    panic(err)
}

root := dict.AsCell()
proofBuilder := cell.NewMerkleProofBuilder(root)
observed := proofBuilder.Root().AsDict(32)

loaded, err := observed.LoadValue(key)
if err != nil {
    panic(err)
}

// LoadValue marks the dictionary path and the terminal cell with the value as used.
// LoadRef calls BeginParse on the child ref, so this ref will also stay ordinary in proof.
_, err = loaded.LoadRef()
if err != nil {
    panic(err)
}

proof, err := proofBuilder.CreateProof()
if err != nil {
    panic(err)
}

proofBody, err := cell.UnwrapProof(proof, root.Hash())
if err != nil {
    panic(err)
}

loadedFromProof, err := proofBody.AsDict(32).LoadValue(key)
if err != nil {
    panic(err)
}

fmt.Println(loadedFromProof.MustLoadUInt(8)) // 171

child, err := loadedFromProof.LoadRef()
if err != nil {
    panic(err)
}

fmt.Println(child.MustLoadUInt(16)) // 52719
```

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

### Call Smart Contract GET Method

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/README.md

Executes a 'GET' method on a smart contract, retrieves the result, and extracts a cell from the first output. This is useful for querying contract state without transactions.

```go
result, _ := api.RunGetMethod(ctx, block, contractAddr, "method_name")
cell := result.MustCell(0)
```

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

### Create and Populate a Cell

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-cells.md

Use BeginCell to start building a new cell, then chain MustStoreUInt to add unsigned integers of specified bit lengths. Finally, call EndCell to finalize the immutable cell.

```go
cell := cell.BeginCell().
    MustStoreUInt(42, 8).
    MustStoreUInt(1000, 64).
    EndCell()
```

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

### Initialize API Client

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/configuration-reference.md

Creates a new API client using a connection pool and a specified proof check policy. The `ProofCheckPolicyFast` is the default, offering basic validation without master block checks.

```go
api := ton.NewAPIClient(pool, ton.ProofCheckPolicyFast)
```

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

### GetBlockchainConfig

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-ton-client.md

Gets blockchain configuration parameters.

```APIDOC
## GetBlockchainConfig

### Description
Gets blockchain configuration parameters.

### Method
`GetBlockchainConfig`

### Parameters
#### Path Parameters
- **ctx** (`context.Context`) - Required - Request context
- **block** (`*BlockIDExt`) - Required - Block for config
- **onlyParams** (`...int32`) - Optional - Specific config param IDs to fetch

### Returns
- `(*tlb.BlockchainConfig, error)` — Configuration and error
```

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

### Create and Configure Lite Client Connection Pool

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-liteclient.md

Initializes a new connection pool and adds lite servers from a remote configuration URL. Ensure to defer the Stop() method for proper cleanup.

```go
client := liteclient.NewConnectionPool()
defer client.Stop()

// Add liteservers from TON config
err := client.AddConnectionsFromConfigUrl(context.Background(), 
    "https://ton-blockchain.github.io/testnet-global.config.json")
if err != nil {
    log.Fatal(err)
}
```

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

### Send Transaction to Update Wallet Record

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-dns.md

Sends a transaction to update a domain's wallet record. This example shows how to use the `BuildSetWalletRecordPayload` to send an update via an owner wallet.

```go
newWallet := address.MustParseAddr("EQCD39VS5jcptHL8vMjEXrzGaRcCVYto7HUn4bpAOg8xqB2N")
body := domain.BuildSetWalletRecordPayload(newWallet)

// Send via wallet
err := ownerWallet.Send(ctx, &wallet.Message{
    Mode: 1,
    InternalMessage: &tlb.InternalMessage{
        Bounce:  true,
        DstAddr: domain.GetNFTAddress(),
        Amount:  tlb.MustFromTON("0.03"),
        Body:    body,
    },
}, true)

if err != nil {
    log.Fatal(err)
}

```

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

### GetTransaction

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-ton-client.md

Gets a specific transaction by logical time.

```APIDOC
## GetTransaction

### Description
Gets a specific transaction by logical time.

### Method
`GetTransaction`

### Parameters
#### Path Parameters
- **ctx** (`context.Context`) - Required - Request context
- **block** (`*BlockIDExt`) - Required - Block for lookup
- **addr** (`*address.Address`) - Required - Account address
- **lt** (`uint64`) - Required - Logical time

### Returns
- `(*tlb.Transaction, error)` — Transaction and error
```

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

### GetJettonWallet

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-nft-jetton.md

Gets the jetton wallet address for an owner and returns a client for it.

```APIDOC
## GetJettonWallet

### Description
Gets the jetton wallet address for an owner and returns a client for it.

### Method
Go Function

### Parameters
#### Path Parameters
- `ctx` (context.Context) - Required - Request context
- `owner` (*address.Address) - Required - Owner account address

### Returns
- `(*JettonWalletClient, error)` - Jetton wallet client and error

### Example
```go
owner := address.MustParseAddr("EQC9bWZd29foipyPOGWlVNVCQzpGAjvi1rGWF7EbNcSVClpA")
wallet, err := master.GetJettonWallet(ctx, owner)
if err != nil {
    log.Fatal(err)
}
```
```

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

### Create Wallet from Seed with Options

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/configuration-reference.md

Initializes a wallet instance from a seed phrase with custom workchain and subwallet IDs. This allows for more specific wallet configurations.

```go
w, err := wallet.FromSeedWithOptions(ctx, api, seed, wallet.V5R1Final,
    wallet.WithWorkchain(0),
    wallet.WithSubwallet(0),
)
```

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

### Configure Context with Timeout

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/configuration-reference.md

Sets a per-request timeout for context. This is recommended for various operations like balance queries, GET method calls, sending transactions, and block queries to prevent indefinite waiting.

```go
// Per-request timeout
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()

result, err := api.CurrentMasterchainInfo(ctx)
```

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

### Deploy a Smart Contract

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-wallet.md

This function deploys a new smart contract. Provide the contract's code, initial data, and an initial balance. Optional send options can be specified.

```go
func (w Wallet) DeployContract(ctx context.Context, msgBody, contractCode, contractData *cell.Cell, 
    amount *big.Int, opts ...SendOption) error
```

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

### GetBlockData

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-ton-client.md

Gets complete block data (header, transactions, state updates).

```APIDOC
## GetBlockData

### Description
Gets complete block data (header, transactions, state updates).

### Method
`GetBlockData`

### Parameters
#### Path Parameters
- **ctx** (`context.Context`) - Required - Request context
- **block** (`*BlockIDExt`) - Required - Block ID

### Returns
- `(*tlb.Block, error)` — Full block and error
```

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

### CreateProofSkeleton

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-cells.md

Creates a low-level proof skeleton for manual proof construction.

```APIDOC
## CreateProofSkeleton

### Description
Creates a low-level proof skeleton for manual proof construction.

### Method
CreateProofSkeleton

### Returns
- **(*ProofSkeleton)** - New skeleton
```

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

### GetCollectionData

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-nft-jetton.md

Gets collection metadata including owner, next item index, and content.

```APIDOC
## GetCollectionData

### Description
Gets collection metadata including owner, next item index, and content.

### Method
Go Function

### Parameters
#### Path Parameters
- `ctx` (context.Context) - Required - Request context

### Returns
- `(*CollectionData, error)` - Collection data and error

### Example
```go
collectionAddr := address.MustParseAddr("EQDnxWxVdW0nEY0K5LuWrC3e2HCeEwJCHj62uxLLKk_9dPMg")
collectionClient := nft.NewCollectionClient(api, collectionAddr)

data, err := collectionClient.GetCollectionData(ctx)
if err != nil {
    log.Fatal(err)
}

fmt.Printf("Owner: %s\n", data.OwnerAddress.String())
fmt.Printf("Next Item Index: %d\n", data.NextItemIndex)
```
```

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

### Create and Populate a Dictionary

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-cells.md

Initialize a dictionary with a specific key size using NewDict. Use BeginCell and EndCell to create key and value cells, then use the Set method to add them to the dictionary.

```go
dict := cell.NewDict(256)

key := cell.BeginCell().MustStoreUInt(1, 256).EndCell()
value := cell.BeginCell().MustStoreUInt(42, 32).EndCell()

dict.Set(key, value)
```

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

### GetJettonData

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-nft-jetton.md

Gets jetton master contract data including total supply, admin, and metadata.

```APIDOC
## GetJettonData

### Description
Gets jetton master contract data including total supply, admin, and metadata.

### Method
Go Function

### Parameters
#### Path Parameters
- `ctx` (context.Context) - Required - Request context

### Returns
- `(*JettonData, error)` - Jetton data and error

### Example
```go
masterAddr := address.MustParseAddr("EQAbMQzuuGiCne0R7QEj9nrXsjM7gNjeVmrlBZouyC-SCLlO")
master := jetton.NewJettonMasterClient(api, masterAddr)

data, err := master.GetJettonData(ctx)
if err != nil {
    log.Fatal(err)
}

fmt.Printf("Total Supply: %s\n", data.TotalSupply.String())
fmt.Printf("Mintable: %v\n", data.Mintable)
fmt.Printf("Admin: %s\n", data.AdminAddress.String())
```
```

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

### Create Proof Skeleton

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-cells.md

Initializes and returns a new, low-level proof skeleton. This is used as a base for manually constructing proofs in TON.

```go
func CreateProofSkeleton() *ProofSkeleton
```

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

### Add Lite Servers from Configuration URL

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-liteclient.md

Downloads TON global configuration from a URL and adds all listed lite servers to the connection pool. Handles potential download or connection errors.

```go
err := client.AddConnectionsFromConfigUrl(context.Background(),
    "https://ton-blockchain.github.io/testnet-global.config.json")
if err != nil {
    log.Fatal(err)
}
```

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

### Create and Use TON Wallet

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/integration-guide.md

Demonstrates creating a wallet from a seed phrase, checking its balance, and sending a transfer. Ensure you replace "your seed phrase here (12 or 24 words)" with your actual seed phrase.

```go
package main

import (
    "context"
    "log"
    "strings"
    "time"

    "github.com/xssnick/tonutils-go/address"
    "github.com/xssnick/tonutils-go/liteclient"
    "github.com/xssnick/tonutils-go/tlb"
    "github.com/xssnick/tonutils-go/ton"
    "github.com/xssnick/tonutils-go/ton/wallet"
)

func main() {
    // Setup API
    client := liteclient.NewConnectionPool()
    defer client.Stop()

    ctx := context.Background()
    client.AddConnectionsFromConfigUrl(ctx,
        "https://ton-blockchain.github.io/testnet-global.config.json")

    api := ton.NewAPIClient(client).WithRetryTimeout(3, 5*time.Second)

    // Create wallet from seed phrase
    seed := strings.Split("your seed phrase here (12 or 24 words)", " ")
    w, err := wallet.FromSeed(ctx, api, seed, wallet.V4R2)
    if err != nil {
        log.Fatal(err)
    }

    walletAddr := w.GetAddress()
    log.Printf("Wallet address: %s\n", walletAddr.String())

    // Get current state
    block, err := api.CurrentMasterchainInfo(ctx)
    if err != nil {
        log.Fatal(err)
    }

    // Check balance
    balance, err := w.GetBalance(ctx, block)
    if err != nil {
        log.Fatal(err)
    }

    log.Printf("Balance: %s\n", tlb.FromNanotonsBig(balance).String())

    // Send transfer if balance sufficient
    recipient, err := address.ParseAddr("EQCD39VS5jcptHL8vMjEXrzGaRcCVYto7HUn4bpAOg8xqB2N")
    if err != nil {
        log.Fatal(err)
    }

    amount := tlb.MustFromTON("0.5")
    err = w.Transfer(ctx, recipient, amount, "Hello from tonutils-go!")
    if err != nil {
        log.Fatal(err)
    }

    log.Println("Transfer sent successfully")
}
```

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

### RunGetMethod

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-ton-client.md

Executes a GET method of a smart contract and returns the result. Parameters can be integers, cells, or slices.

```APIDOC
## RunGetMethod

### Description
Executes a GET method of a smart contract and returns the result. Parameters can be integers, cells, or slices.

### Method
POST (Assumed, as it modifies state or performs complex operations)

### Endpoint
/runGetMethod (Assumed, based on function name)

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
- **ctx** (`context.Context`) - Required - Request context
- **blockInfo** (`*BlockIDExt`) - Required - Block for state
- **addr** (`*address.Address`) - Required - Contract address
- **method** (`string`) - Required - Method name (or ID as "method_id")
- **params** (`...interface{}`) - Optional - Method parameters (int, []byte, *cell.Cell, *cell.Slice)

### Response
#### Success Response (200)
- **ExecutionResult** (`*ExecutionResult`) - Execution result

#### Error Response
- **error** (`error`) - Contract execution failed or method not found
- **ContractExecError** (`ContractExecError`) - Contract returned non-zero exit code
```

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

### Get Address Workchain ID

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-address.md

The Workchain method returns the workchain identifier for standard and variable addresses.

```go
func (a *Address) Workchain() int32
```

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

### Create Jetton Wallet Client

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-nft-jetton.md

Initializes a client for interacting with a Jetton wallet contract. Requires a TON API client and the Jetton wallet address.

```go
func NewJettonWalletClient(api *ton.APIClient, addr *address.Address) *JettonWalletClient
```

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

### ListTransactions

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-ton-client.md

Gets a list of recent transactions for an account. Use the LT and hash from the previous transaction to paginate backwards.

```APIDOC
## ListTransactions

### Description
Gets a list of recent transactions for an account. Use the LT and hash from the previous transaction to paginate backwards.

### Method
`ListTransactions`

### Parameters
#### Path Parameters
- **ctx** (`context.Context`) - Required - Request context
- **addr** (`*address.Address`) - Required - Account address
- **num** (`uint32`) - Required - Number of transactions to fetch
- **lt** (`uint64`) - Required - Logical time of last known transaction (0 to start from latest)
- **txHash** (`[]byte`) - Required - Hash of last known transaction (empty to start from latest)

### Returns
- `([]*tlb.Transaction, error)` — Transaction list (newest first) and error

### Example
```go
addr := address.MustParseAddr("EQCD39VS5jcptHL8vMjEXrzGaRcCVYto7HUn4bpAOg8xqB2N")
block, _ := api.CurrentMasterchainInfo(ctx)

account, _ := api.GetAccount(ctx, block, addr)
txList, err := api.ListTransactions(ctx, addr, 10, account.LastTxLT, account.LastTxHash)
if err != nil {
    log.Fatal(err)
}

for _, tx := range txList {
    fmt.Printf("LT: %d, Hash: %x\n", tx.LT, tx.Hash())
}
```
```

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

### Creating Dictionaries with Specified Key Sizes

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/configuration-reference.md

Initialize a dictionary with a specific key size, such as 256 bits. Other common key sizes like 8, 64, or 128 bits can also be used.

```go
// Create dictionary with 256-bit keys
dict := cell.NewDict(256)

// Create dictionary with other key sizes
dict8 := cell.NewDict(8)
dict64 := cell.NewDict(64)
```

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

### Get Wallet Address

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-wallet.md

Retrieves the address associated with a wallet instance. This is a common operation after creating or loading a wallet.

```go
func (w Wallet) GetAddress() *address.Address
```

```go
addr := w.GetAddress()
fmt.Println(addr.String())
```

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

### Get Jetton Wallet Balance

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-nft-jetton.md

Retrieves the balance of jettons held by a specific wallet. Ensure the context is valid.

```go
balance, err := wallet.GetBalance(ctx)
if err != nil {
    log.Fatal(err)
}

fmt.Printf("Balance: %s\n", balance.String())

```

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

### Create Wallet from Seed Phrase

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-wallet.md

Initializes a wallet using a BIP39 seed phrase and a specified wallet version. Requires a TON API client and context.

```go
import (
    "strings"
    "github.com/xssnick/tonutils-go/ton/wallet"
)

seed := strings.Split("your twelve word seed phrase here", " ")
w, err := wallet.FromSeed(ctx, api, seed, wallet.V3R2)
if err != nil {
    log.Fatal(err)
}

addr := w.GetAddress()
fmt.Println("Wallet address:", addr.String())
```

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

### Create TON API Client

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-ton-client.md

Initializes a new APIClient by wrapping a LiteClient connection pool. Proof check policy defaults to `ProofCheckPolicyFast`.

```go
import (
    "github.com/xssnick/tonutils-go/liteclient"
    "github.com/xssnick/tonutils-go/ton"
)

pool := liteclient.NewConnectionPool()
err := pool.AddConnectionsFromConfigUrl(ctx, 
    "https://ton-blockchain.github.io/testnet-global.config.json")
if err != nil {
    log.Fatal(err)
}

api := ton.NewAPIClient(pool)
```

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

### RefsCount Example

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-cells.md

Returns the number of cell references contained within the cell. The count ranges from 0 to 4.

```go
func (c *Cell) RefsCount() int
```

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

### ToBOC Example

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-cells.md

Serializes the cell into BOC (Bag of Cells) format bytes, suitable for network transmission or storage.

```go
boc := myCell.ToBOC()
// Send boc over network or store to file
```

```go
func (c *Cell) ToBOC() []byte
```

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

### Create Jetton Master Client

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-nft-jetton.md

Initializes a client for interacting with a Jetton master contract. Requires a TON API client and the Jetton master address.

```go
func NewJettonMasterClient(api *ton.APIClient, addr *address.Address) *JettonMasterClient
```

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

### FromPrivateKeyWithOptions

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-wallet.md

Creates a wallet from a private key with additional custom configuration options. It takes the context, API client, private key, wallet version, and a variadic list of options.

```APIDOC
## FromPrivateKeyWithOptions

### Description
Creates a wallet from a private key with custom options.

### Method
```go
func FromPrivateKeyWithOptions(ctx context.Context, api *ton.APIClient, key ed25519.PrivateKey, version Version, options ...wallet.Option) (Wallet, error)
```

### Parameters
#### Path Parameters
- **ctx** (context.Context) - Required - Request context
- **api** (*ton.APIClient) - Required - TON API client
- **key** (ed25519.PrivateKey) - Required - Private key
- **version** (Version) - Required - Wallet contract version
- **options** (...wallet.Option) - Optional - Configuration options

### Response
#### Success Response
- **Wallet** (Wallet) - Configured wallet instance
- **error** (error) - Error if creation fails
```

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

### StoreRef and MustStoreRef Examples

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-cells.md

Stores a reference to another cell. Cells can have up to 4 references. MustStoreRef panics on error.

```go
innerCell := cell.BeginCell().MustStoreUInt(42, 32).EndCell()
outerCell := cell.BeginCell().
    MustStoreUInt(1, 8).
    MustStoreRef(innerCell).
    EndCell()
```

```go
func (b *Builder) StoreRef(cell *Cell) (*Builder, error)
```

```go
func (b *Builder) MustStoreRef(cell *Cell) *Builder
```

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

### Download and Parse TON Global Configuration from URL

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-liteclient.md

Fetches TON global configuration from a specified URL and parses it. Requires a context for the request.

```go
cfg, err := liteclient.GetConfigFromUrl(ctx, 
    "https://ton-blockchain.github.io/global.config.json")
if err != nil {
    log.Fatal(err)
}
```

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

### Coins Methods for Amount Handling

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-tlb.md

Provides methods for the Coins type to get string representation, nanotons, or float values.

```go
func (c *Coins) String() string
func (c *Coins) Nano() *big.Int
func (c *Coins) NanoInt64() int64
func (c *Coins) ToFloat() float64
```

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

### Initialize New Connection Pool

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/configuration-reference.md

Creates a new connection pool with default settings. Default settings include a randomly generated authentication key, a reconnection policy of 3 retries with 3-second backoff, a 5-second ping interval, and round-robin load balancing with fallback.

```go
pool := liteclient.NewConnectionPool()
```

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

### Get NFT Data and Display

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-nft-jetton.md

Retrieves NFT data including owner and content. Handles offchain content display.

```go
itemAddr := address.MustParseAddr("EQDuPc-3EoqH72Gd6M45vmFsktQ8AzqaN14mweJhCjxg0d_b")
itemClient := nft.NewItemClient(api, itemAddr)

nftData, err := itemClient.GetNFTData(ctx)
if err != nil {
    log.Fatal(err)
}

fmt.Printf("Owner: %s\n", nftData.OwnerAddress.String())
fmt.Printf("Index: %d\n", nftData.Index)
if content, ok := nftData.Content.(*nft.ContentOffchain); ok {
    fmt.Printf("Content URL: %s\n", content.URI)
}
```

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

### Loading Public Lite Server Configurations

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/configuration-reference.md

Load network configurations from public URLs for mainnet or testnet. These URLs provide the addresses of public lite servers.

```go
config := "https://ton-blockchain.github.io/global.config.json"

// Public testnet servers
config := "https://ton-blockchain.github.io/testnet-global.config.json"
```

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

### Get Address Type

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-address.md

The Type method returns a constant indicating the address's classification (e.g., NoneAddress, ExtAddress).

```go
func (a *Address) Type() AddrType
```

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

### Handle Config Download Failed Error

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/errors-reference.md

When `AddConnectionsFromConfigUrl()` or `GetConfigFromUrl()` fail to download the TON global configuration due to network issues. Consider using cached configurations or a fallback URL.

```go
err := pool.AddConnectionsFromConfigUrl(ctx, configUrl)
if err != nil {
    log.Printf("Config download failed: %v\n", err)
    // Use cached config or fallback URL
}
```

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

### Get Raw Address String

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-address.md

The StringRaw method returns the address in the format 'workchain:hex', providing the raw components.

```go
addr := address.MustParseAddr("EQCD39VS5jcptHL8vMjEXrzGaRcCVYto7HUn4bpAOg8xqB2N")
fmt.Println(addr.StringRaw()) // 0:03dfb552e637aeb4dffb083f60e87edb8207d34e4599fe83968f0d0769d69d9b
```

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

### Build and Parse Custom TLB Structures

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/integration-guide.md

Demonstrates building a custom payload structure using TLB tags and serializing it into a cell. It also shows how to parse this cell back into the Go struct, including accessing nested cells.

```go
package main

import (
    "log"

    "github.com/xssnick/tonutils-go/tlb"
    "github.com/xssnick/tonutils-go/tvm/cell"
)

type MyPayload struct {
    Magic   tlb.Magic  `tlb:"#a1b2c3d4"`
    QueryID uint64     `tlb:"## 64"`
    Flags   uint8      `tlb:"## 8"`
    Body    *cell.Cell `tlb:"^"`
}

func main() {
    // Build payload using TLB
    payload := MyPayload{
        QueryID: 123,
        Flags:   7,
        Body: cell.BeginCell().
            MustStoreUInt(0xCAFE, 16).
            EndCell(),
    }

    // Serialize to cell
    payloadCell, err := tlb.ToCell(payload)
    if err != nil {
        log.Fatal(err)
    }

    log.Printf("Serialized: %s\n", payloadCell.Dump())

    // Parse back from cell
    var decoded MyPayload
    err = tlb.Parse(&decoded, payloadCell)
    if err != nil {
        log.Fatal(err)
    }

    log.Printf("QueryID: %d\n", decoded.QueryID)
    log.Printf("Flags: %d\n", decoded.Flags)

    // Access referenced cell
    bodySlice, _ := decoded.Body.BeginParse()
    val, _ := bodySlice.LoadUInt(16)
    log.Printf("Body value: 0x%x\n", val)
}
```

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

### GetRootContractAddr

Source: https://github.com/xssnick/tonutils-go/blob/master/_autodocs/api-reference-dns.md

Gets the address of the TON DNS root contract by querying the masterchain configuration. This is a prerequisite for initializing a DNS client.

```APIDOC
## GetRootContractAddr

### Description
Gets the address of the TON DNS root contract by querying the masterchain configuration.

### Method
GET (conceptual, as it queries blockchain config)

### Endpoint
N/A (Function call)

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Parameters
- **ctx** (`context.Context`) - Required - Request context
- **api** (`*ton.APIClient`) - Required - TON API client

### Returns
- **(*address.Address, error)** - Root contract address and error

### Example:
```go
import (
    "github.com/xssnick/tonutils-go/ton/dns"
)

root, err := dns.GetRootContractAddr(ctx, api)
if err != nil {
    log.Fatal(err)
}
fmt.Printf("DNS Root: %s\n", root.String())
```
```