nemSignTransaction

NEM: Sign transaction

Asks device to sign given transaction. User is asked to confirm all transaction details on Ukey Wallet.

const response = await HardwareSDK.nvmSignTransaction(
  connectId,
  deviceId,
  params,
);

Params

Optional common params

• path - required string | Array<number> minimum length is 3. read more
• transaction - required NEMTransaction type

NEMTransaction Type

type MosaicID = {
  namespaceId: string;
  name: string;
};

type MosaicDefinition = {
  levy?: {
    type?: number;
    fee?: number;
    recipient?: string;
    mosaicId?: MosaicID;
  };
  id: MosaicID;
  description: string;
  properties?: Array<{
    name: "divisibility" | "initialSupply" | "supplyMutable" | "transferable";
    value: string;
  }>;
};

export type NEMMosaic = {
  mosaicId: MosaicID;
  quantity: number;
};

type Modification = {
  modificationType: number;
  cosignatoryAccount: string;
};

type Message = {
  payload?: string;
  type?: number;
  publicKey?: string;
};

type TransactionCommon = {
  version: number;
  timeStamp: number;
  fee: number;
  deadline?: number;
  signer?: string;
};

export type NEMTransferTransaction = TransactionCommon & {
  type: 0x0101;
  recipient: string;
  amount: number | string;
  mosaics?: NEMMosaic[];
  message?: Message;
};

export type NEMImportanceTransaction = TransactionCommon & {
  type: 0x0801;
  importanceTransfer: {
    mode: number;
    publicKey: string;
  };
};

export type NEMAggregateModificationTransaction = TransactionCommon & {
  type: 0x1001;
  modifications?: Modification[];
  minCosignatories: {
    relativeChange: number;
  };
};

export type NEMProvisionNamespaceTransaction = TransactionCommon & {
  type: 0x2001;
  newPart?: string;
  parent?: string;
  rentalFeeSink?: string;
  rentalFee?: number;
};

export type NEMMosaicCreationTransaction = TransactionCommon & {
  type: 0x4001;
  mosaicDefinition: MosaicDefinition;
  creationFeeSink?: string;
  creationFee?: number;
};

export type NEMSupplyChangeTransaction = TransactionCommon & {
  type: 0x4002;
  mosaicId: MosaicID;
  supplyType: number;
  delta?: number;
};

type Transaction =
  | NEMTransferTransaction
  | NEMImportanceTransaction
  | NEMAggregateModificationTransaction
  | NEMProvisionNamespaceTransaction
  | NEMMosaicCreationTransaction
  | NEMSupplyChangeTransaction;

export type NEMMultisigTransaction = TransactionCommon & {
  type: 0x0102 | 0x1002 | 0x1004;
  otherTrans: Transaction;
};

export type NEMTransaction = Transaction | NEMMultisigTransaction;

Example

NEMTransferTransaction

HardwareSDK.confluxSignMessage(connectId, deviceId, {
  path: "m/44'/43'/0'/0'/0",
  transaction: {
    type: 0x0101,
    recipient: "TALICE2GMA34CXHD7XLJQ536NM5UNKQHTORNNT2J",
    amount: 2000000,
    timeStamp: 74649215,
    fee: 2000000,
    deadline: 74735615,
    version: -1744830464,
  },
});

Result

{
    success: true,
    payload: {
        signature: string;
    }
}

Error

{
    success: false,
    payload: {
        error: string, // error message
        code: number // error code
    }
}