Klaytn

getKlaytnSignedTransaction

The DCENT iOS SDK provides functions for signing transaction of coins.

This function is for:

• .KLAYTN - klaytn (KLAY)
• .KLAYTN_TESTNET - klaytn baobab (KLAYt)

Parameters

• coinType: klaytn networks coin type
• kalytnTransaction: (KlaytnTransaction)klaytn transaction parameter

class KlaytnTransaction

Name	Type	Description
addressPath	String	sign key path for klaytn transaction
nonce	String	account nonce for klaytn transaction
to	String	recipient's address of klaytn transaction
amount	String	amount of ether to be sent. ( wei unit value )
gasLimit	String	gas limit value of klaytn transaction
gasPrice	String	gas price for klaytn transaction
data	String	transaction data of klaytn transaction
chainId	String	chain id
from	String	(optional) Signer's Address of klaytn transaction
tx_type	UInt8	(optional) Type of klaytn transaction The default value is KlaytnType.LEGACY.rawValue
fee_ratio	UInt32	(optional)Fee Ratio of klaytn transaction

enum KlaytnType

Defines Transaction type of Klaytn (refer to klaytn doc)

• LEGACY
• VALUE_TRANSFER
• FEE_DELEGATED_VALUE_TRANSFER
• FEE_DELEGATED_VALUE_TRANSFER_WITH_RATIO
• VALUE_TRANSFER_MEMO
• FEE_DELEGATED_VALUE_TRANSFER_MEMO
• FEE_DELEGATED_VALUE_TRANSFER_MEMO_WITH_RATIO
• SMART_CONTRACT_DEPLOY
• FEE_DELEGATED_SMART_CONTRACT_DEPLOY
• FEE_DELEGATED_SMART_CONTRACT_DEPLOY_WITH_RATIO
• SMART_CONTRACT_EXECUTION
• FEE_DELEGATED_SMART_CONTRACT_EXECUTION
• FEE_DELEGATED_SMART_CONTRACT_EXECUTION_WITH_RATIO
• CANCEL
• FEE_DELEGATED_CANCEL
• FEE_DELEGATED_CANCEL_WITH_RATIO
• FEE_PAYER

Returns

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

Example

let klaytnTransaction : KlaytnTransaction = KlaytnTransaction(addressPath: "0", nonce: "", to: "", amount: "", gasLimit: "", gasPrice: "", data: "", chainId: 0)
  
// test data (legacy)
klaytnTransaction.addressPath = "m/44'/8217'/0'/0/0"
klaytnTransaction.nonce = "8"
klaytnTransaction.to = "0xe5c23dAa6480e45141647E5AeB321832150a28D4"
klaytnTransaction.amount = "60000000000000000"
klaytnTransaction.gasLimit = "25000"
klaytnTransaction.gasPrice = "25000000000"
klaytnTransaction.data = ""
klaytnTransaction.chainId = "1001"
  
DcentMgr.getKlaytnSignedTransaction(coinType:.KLAYTN, klaytnTransaction:klaytnTransaction){ (result, txData) in
    print("Klaytn Transaction closure")
    if result == false {
        print("FAIL !!!")
    }else{
        print(txData)
    }
}

getKlaytnBasedTokenTransaction

This Function for:

• .KLAYTN_ERC20 - klaytn erc20 token (krc20)
• .KRC20_TESTNET - klaytn testnet erc20 token

Parameters

• coinType: klaytn networks coin type
• tokenTransaction: (KlaytnTokenTransaction)klaytn token transaction parameter

class KlaytnTokenTransaction

Name	Type	Description
addressPath	String	sign key path for klaytn transaction
nonce	String	account nonce for klaytn transaction
to	String	recipient's address of klaytn transaction
amount	String	amount of ether to be sent. ( wei unit value )
gasLimit	String	gas limit value of klaytn transaction
gasPrice	String	gas price for klaytn transaction
data	String	transaction data of klaytn transaction
chainId	String	chain id
tokenName	String	token name of contract for KLAYTN_ERC20 transaction
decimals	UInt32	decimals of contract for KLAYTN_ERC20 transaction
tokenSymbol	String	symbol of contract for KLAYTN_ERC20 transaction
from	String	(optional) Signer's Address of klaytn transaction
tx_type	UInt8	(optional) Type of klaytn transaction The default value is KlaytnType.LEGACY.rawValue
fee_ratio	UInt32	(optional)Fee Ratio of klaytn transaction

Returns

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

Example

let krc20Transaction : KlaytnTokenTransaction = KlaytnTokenTransaction(addressPath: "", nonce: "", to: "", amount: "", gasLimit: "", gasPrice: "", data: "", chainId: 0, tokenName: "", decimals: 0, tokenSymbol: "")
  
// test data
krc20Transaction.addressPath = "m/44'/8217'/0'/0/0"
krc20Transaction.nonce = "6"
krc20Transaction.to = "0x92c1b39556d5322dac96e9e13d35a146297fcf43"
krc20Transaction.amount = "100000000"
krc20Transaction.gasLimit = "100000"
krc20Transaction.gasPrice = "25000000000"
krc20Transaction.data = "0xa9059cbb000000000000000000000000732E035fBdb9E5AB5Ef80c08f6aA081d029984dc"
krc20Transaction.chainId = "1001"
krc20Transaction.tx_type = KlaytnType.FEE_DELEGATED_SMART_CONTRACT_EXECUTION.rawValue
krc20Transaction.fromAddr = "0x689dfa2C77335722f333EeA102ba8A5E13d2AD1a"
krc20Transaction.fee_ratio = 0
krc20Transaction.tokenName = "BAOBABTOKEN"
krc20Transaction.decimals = 8
krc20Transaction.tokenSymbol = "BAO"  

DcentMgr.getKlaytnBasedTokenTransaction(coinType: .KLAYTN_ERC20, tokenTransaction: krc20Transaction){ (result, txData) in
    print("Klaytn token Transaction closure")
    if result == false {
        print("FAIL !!!")
    }else{
        print(txData)
    }
}