Dapp Portal SDK
npm install @linenext/dapp-portal-sdkWalletProvider, one of the features provided in the Mini Dapp SDK, is available to anyone upon request. You can apply through this link.
clientId. The SDK operates only on pre-approved host addresses.bash
npm install @linenext/dapp-portal-sdk
`
or
bash
yarn add @linenext/dapp-portal-sdk
`$3
Initialize the SDK with the clientId confirmed during the project creation step, and obtain a WalletProvider.
typescript
import DappPortalSDK from '@linenext/dapp-portal-sdk'const sdk = await DappPortalSDK.init({ clientId: '' });
const provider = sdk.getWalletProvider()
`
If you wish to use the mainnet, initialize the SDK with chainId *default : testnet (1001)
typescript
const sdk = await DappPortalSDK.init({
clientId: '',
chainId: '8217',
});
`Send a
request to the wallet to check the address of the connected wallet. During this process, the user will see a screen to select the wallet type and confirm the connection.
`typescript
const accounts = await provider.request({ method: 'kaia_requestAccounts' });
const accountAddress = accounts[0]
`Create a transaction that requires the user's signature. The address used in the from field should match the wallet address obtained in the previous step.
typescript
const tx = {
from: accountAddress,
to: '0xBBBBBBBBBBBB',
value: '10',
gas: '21000',
};
`Send a
request to the wallet. During this process, a popup will open for the user to verify the transaction to be signed. If successful, it returns the Tx hash.
`typescript
const txHash = await provider.request({method: 'kaia_sendTransaction', params: [tx]});
`$3
You can use the method to connect to a wallet and sign a message in a single step. This method simplifies the process by combining wallet connection and message signing.
`typescript
const [address, signature] = await provider.request({method: 'kaia_connectAndSign', params: [someMessage]});
``