Class ChainStorageService

get the default supported chain list, get the specified chain information, add, delete and update chain information

Example

get the current chain/network list:

//
//	get the current chain/network list
//
const chainStorageService = new ChainStorageService();

//    flush the default chains into database
await chainStorageService.flushDefault();

//    query all items
const chainList : Array<ChainEntityItem | null > | null = await chainStorageService.getAll();

//    should return:
[
   {
     name: 'Ethereum Mainnet',
     chainId: 1,
     token: 'ETH',
     rpcs: [ [Object] ],
     explorers: [ 'https://etherscan.io' ]
   },
   {
     name: 'Ethereum Testnet Sepolia',
     chainId: 11155111,
     token: 'ETH',
     rpcs: [ [Object] ],
     explorers: [ 'https://sepolia.etherscan.io' ]
   }
]

//
//    get the logo url of a specified chain/network
//
const chainId = 1;
const contractAddress : string = new TokenService( chainId ).nativeTokenAddress;
const logoUrl = await new TokenService( chainId ).getItemLogo( contractAddress );

//    should return:
'https://tokens.1inch.io/0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee.png'
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