# Stacks

## **getStacksSignedTransaction**

**This function for :**

* `.STACKS` - stacks (STX)
* `.SIP010` - stacks token
* `.STACKS_TESTNET` - stacks testnet (STXt)
* `.SIP010_TESTNET` - stacks testnet token

### **Parameters**

* coinType: stacks networks coin type
* stacksTransaction: ([StacksTransation](#class-stackstransaction))stacks transaction parameter

#### class StacksTransaction

<table><thead><tr><th width="162.33333333333331">Name</th><th width="129">Type</th><th>Description</th></tr></thead><tbody><tr><td>key</td><td><code>String</code></td><td>sign key path for stacks transaction</td></tr><tr><td>signHash</td><td><code>String</code></td><td>transaction that has not been signed of stacks transaction</td></tr><tr><td>authType</td><td><code>UInt32</code></td><td>transaction authorization type of stacks transaction (refer to<a href="https://docs.stacks.co/docs/stacks-academy/technical-specs#transactions">Stacks Doc</a>)<br>- standard authorization: 0x04<br>- sponsored authorization: 0x05</td></tr><tr><td>fee</td><td><code>String</code></td><td>transaction fee of stacks transaction<br>* fee value is configured in stacks(STX) unit</td></tr><tr><td>nonce</td><td><code>String</code></td><td>transaction nonce of stacks transaction</td></tr><tr><td>symbol</td><td><code>String</code></td><td>transaction symbol of stacks transaction</td></tr><tr><td>decimals</td><td><code>UInt32</code></td><td>transaction decimals of stacks transaction</td></tr><tr><td>optionParam</td><td><code>String</code></td><td>(optional)hexadecimal value of the token method type<br>- '01' : assert transfer<br>- '02' : token stake<br>- '03' + amount(8bytes) : token revoke (amount value is configured in micro-STX unit)<br>- '04' : dapp contract</td></tr></tbody></table>

### **Returns**

* result: (Bool) `true` if successful, `false` if error occurred
* txData: signed transaction

### **Requirements**

* D'CENT Biometric Wallet version 2.14.1 or higher is required.
  * (for SIP010): 2.16.7 or higher is required.

**Example**

```swift
let stacksTransaction : StacksTransaction = StacksTransaction(key: "m/44'/5757'/0'/0/0", sigHash: "00000000010400b8d4c2dbab9a59837ca0892080d9395199b3fa9d000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000302000000000005166c717c6701374d0db48dac262d1a85f906ae2d1e000000001ad2748031303638343134333900000000000000000000000000000000000000000000000000", authType: 4, fee: "0.12", nonce: "000000000000006c", symbol: "STX", decimals: 6, optionParam: "")
  
DcentMgr.getStacksSignedTransaction(coinType: .STACKS, stacksTransaction: stacksTransaction) { (result, txData) in
    print("Stacks Transaction closure")
    if result == false {
        print("FAIL !!!")
    }else{
        print(txData)
    }
}
```


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