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D'CENT WalletConnect

The Structural Diagram to Know How WalletConnect Works
connector event subscription
function on(event : string , callback : (error : Error | null , payload : any | null ) => void ) : void
event : connect, disconnect, session_request, session_update, call_request, wc_sessionRequest, wc_sessionUpdate
create session (session_request)
async function createSession() : Promise<void>;
kill session (disconnect)
function killSession() : void
example code
import WalletConnect from "@dcentwallet/walletconnect-client";
import QRcodeModal from "@dcentwallet/qrcode-modal"
​
​
// if connect func exec , modal must be opened
const connect = async () => {
   const qrcodeModalOptions = {};
   const connector = new WalletConnect({ qrcodeModal: QRCodeModal, qrcodeModalOptions });
   // create session
   if(!connector.connected){
        await connector.createSession({chainId : '' }) // in order to open modal, createSession is required
   }
   // subscribe connector event
   subscribeToEvents();
}
​
// subscribe event function
// callback : (err, payload) => void
const subscribeToEvent = () => {
   connector.on('session_update', async callback )
   connector.on('connect', callback )
   connector.on('disconnect', callback ) // kill session
}
​
const killSession = async () => {
   if(connector) {
       connector.killSession();
   }
   // attach reset your app state code
}type
​
sendTransaction, signTransaction
async function sendTransaction({
  from : string, // required
  to : string,  // required
  gas : string, // required
  gasPrice : string, //required
  value : string, // required
  data : string, // required
  nonce : string, // required
}) : Promise<string> //required
​
async function signTransaction({
  from: string, // required
  to: string, // required
  gas: string, // required
  gasPrice: string, // required
  value: string, // required
  data: string, // required
  nonce: string, // required
}): Promise<string>;
const tx = { from, to, nonce, gasPrice, gasLimit, value, data };
const sendTransactionResult = await connector.sendTransaction(tx) // sendTransactionResult returns transaction hash
const signTransactionResult = await connector.signTransaction(tx) // signTransactionResult returns signed transaction 
// result returns transaction hash 
Other connector methods : signMessage, signPersonalMessage, signTypedData
For more information, refer to the following:
Client API Reference | WalletConnect Docs
​
Get D’CENT Wallet Address
connector.on('connect', (err, payload) => {
    const { chainId, accounts }  = payload.params[0];
    const address = accounts[0] // D'CENT Wallet Address
}
​
Request D’CENT to create accounts
const qrcodeModalOptions = {}; // see below more details
const connector = new WalletConnect({ qrcodeModal: QRCodeModal, qrcodeModalOptions})
qrcodeModalOptions
qrcodeModalOptions interface
property
type
required
serviceName
string
required
accounts
IAccount []
not required
IAccount interface
property
type
required
example
contractAddress
string
required
0x4c665BBafd28Ec9e5D792345f470ebFcA21E3d15
networkType
string
required
ETHEREUM / POLYGON / …
name
string
required
only when networkType supports contract
symbol
string
required
only when networkType supports contract
example
const qrcodeModalOptions = {
  serviceName: "insert your dapp name",
  accounts: [
    {
      contractAddress: '',
      networkType: 'XRP'
    },
    {
      contractAddress: '0x2791bca1f2de4661ed88a30c99a7a9449aa84174',
      networkType: 'POLYGON',
      name: 'USD Coin',
      symbol: 'USDC',
    },
    {
      contractAddress: '0xc2132d05d31c914a87c6611c10748aeb04b58e8f',
      networkType: 'POLYGON',
      name: 'Tether',
      symbol: 'USDT'
    }
  ]
};
​
const connector = new WalletConnect({ qrcodeModal : QRcodeModal, qrcodeModalOptions });
​
NetworkType List
Network types where you can create accounts. (Main Account & Token Account Support)
networkType
support contract
BITCOIN
X
BTC-SEGWIT
X
ETHEREUM
O
RSK
O
XRP
O
MONACOIN
X
KLAYTN
O
BITCOINCASH
X
BCH-ABC
X
ECASH
X
ZCASH
X
LITECOIN
X
LTC-SEGWIT
X
BITCOIN-GOLD
X
DASH
X
DIGIBYTE
X
DGB-SEGWIT
X
RAVENCOIN
X
BINANCE
O
STELLAR
O
ETH-CLASSIC
X
BITCOIN-SV
X
TRON
O
DOGECOIN
X
LUNIVERSE
O
PALM
X
FLARE
X
XINFIN
O
CARDANO
X
BSC
O
POLYGON
O
HORIZEN
X
HEDERA
O
STACKS
O
SOLANA
O
POLKADOT
X
CONFLUX
O
HECO
O
XDAI
O
FANTOM
O
CELO
O
METADIUM
O
KUCOIN
O
SONGBIRD
O
AVALANCHE
O
EWT
O
ARBITRUM
O
BODA
O
OEC
O
HARMONY
O
ORBITCHAIN
O
OPENCOIN
O
CRONOS
O
​

property	type	required
serviceName	string	required
accounts	IAccount []	not required

property	type	required	example
contractAddress	string	required	0x4c665BBafd28Ec9e5D792345f470ebFcA21E3d15
networkType	string	required	ETHEREUM / POLYGON / …
name	string	required	only when networkType supports contract
symbol	string	required	only when networkType supports contract

networkType	support contract
BITCOIN	X
BTC-SEGWIT	X
ETHEREUM	O
RSK	O
XRP	O
MONACOIN	X
KLAYTN	O
BITCOINCASH	X
BCH-ABC	X
ECASH	X
ZCASH	X
LITECOIN	X
LTC-SEGWIT	X
BITCOIN-GOLD	X
DASH	X
DIGIBYTE	X
DGB-SEGWIT	X
RAVENCOIN	X
BINANCE	O
STELLAR	O
ETH-CLASSIC	X
BITCOIN-SV	X
TRON	O
DOGECOIN	X
LUNIVERSE	O
PALM	X
FLARE	X
XINFIN	O
CARDANO	X
BSC	O
POLYGON	O
HORIZEN	X
HEDERA	O
STACKS	O
SOLANA	O
POLKADOT	X
CONFLUX	O
HECO	O
XDAI	O
FANTOM	O
CELO	O
METADIUM	O
KUCOIN	O
SONGBIRD	O
AVALANCHE	O
EWT	O
ARBITRUM	O
BODA	O
OEC	O
HARMONY	O
ORBITCHAIN	O
OPENCOIN	O
CRONOS	O

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