Klaytn

getKlaytnSignedTransaction

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

This function is for:

• KLAYTN (KLAY)
• KLAYTN_ERC20 - klaytn token
• KLAY_BAOBAB (KLAYt)
• KRC20_BAOBAB

Parameters

Parameter	Type	Description
coinType	CoinType	klaytn coin type.
transaction	KlaytnTransaction	klaytn transaction parameters.

class KlaytnTransaction

Name	Type	Description
hdKeyPath	Bip44KeyPath	sign key path for klaytn transaction
nonce	String	account nonce for klaytn transaction
toAddr	String	address to send
amount	String	amount of KLAY to send
gasLimit	String	gas limit value
gasPrice	String	gas price for klaytn transaction
data	String	transaction data of klaytn transaction
chainId	String	chain id
txType	KlaytnTxType	(optional)Type of klaytn transaction This can be set using the setOptionAttribute() method. The default is TX_TYPE_LEGACY
fromAddr	String	(optional)Signer's Address of klaytn transaction This can be set using the setOptionAttribute() method.
feeRatio	int	(optional)Fee Ratio of klaytn transaction This can be set using the setOptionAttribute() method.
tokenName	String	(optional)token name of contract for KLAYTN_ERC20 transaction This can be set using the setTokenAttribute()method.
decimals	String	(optional)decimals of contract for KLAYTN_ERC20 transaction This can be set using the setTokenAttribute()method.
symbol	String	(optional)symbol of contract for KLAYTN_ERC20 transaction This can be set using the setTokenAttribute()method.

Returns

String - signed transaction.

Example

KlaytnTransaction klaytnTransanction;
klaytnTransanction = new KlaytnTransaction.Builder()
                .keyPath(Bip44KeyPath.valueOf("m/44'/8217'/0'/0/0"))
                .nonce("0")
                .toAddr("0x732E035fBdb9E5AB5Ef80c08f6aA081d029984dc")
                .amount("1000000000000000000")
                .gasLimit("25000")
                .gasPrice("25000000000")
                .data("")
                .chainId(1001)
                .build();

String response = mDcentmanager.getKlaytnSignedTransaction(CoinType.KLAYTN, klaytnTransanction);