Polkadot

getPolkadotSignedTransaction

This function is for:

• POLKADOT (DOT)

Parameters

Parameter	Type	Description
coinType	CoinType	polkadot coin type.
transaction	PolkadotTransaction	polkadot transaction parameters.

class PolkadotTransaction

Name	Type	Description
hdKeyPath	Bip44KeyPath	sign key path for polkadot transaction
sigHash	String	transaction that has not been signed of polkadot transaction
decimals	int	transaction decimals of polkadot transaction
symbol	String	transaction symbol of polkadot transaction
fee	String	transaction fee of polkadot transaction * Fee value is configured in polkadot(DOT) unit.
nonce	String	(optional)transaction nonce of polkadot transaction
optionParam	String	(optional)option parameter

Returns

String - signed transaction.

Requirements

• DCENT Biometric Wallet version 2.19.1 or higher is required.

Example

String keyPath = "m/44'/354'/0'/0/0";
PolkadotTransaction polkadotTransaction;

polkadotTransaction = new PolkadotTransaction.Builder()
                    .keyPath(Bip44KeyPath.valueOf(keyPath))
                    .sigHash("040000163a5ee36b1243ce5241c0a45010dd1717869e9918c040bf5d305be4a5af9e7a0b00407a10f35a003400a223000007000000e143f23803ac50e8f6f8e62695d1ce9e4e1d68aa36c1cd2cfd15340213f3423ee143f23803ac50e8f6f8e62695d1ce9e4e1d68aa36c1cd2cfd15340213f3423e")
                    .fee("0.0000000005")
                    .decimals(12)
                    .symbol("DOT")
                    .build();

String response = mDcentmanager.getPolkadotSignedTransaction(CoinType.POLKADOT, polkadotTransaction);