Blockchain Development with Hyperledger

Loading account information

To load accounts, we define a drop-down menu with empty content, as follows:

<div class="form-group">                <label for="exampleFormControlSelect1">Accounts</label>                <select class="form-control" id="accts">                </select>              </div>

When we load the page, we will use web3.eth.accounts to get all 10 default accounts. Notice that the first account has an ether balance of 99.84; this is because we used the first account as the owner account to deploy the contract and burned some gas as the transaction fee, as shown in the following code:

    web3.eth.accounts.forEach( function(e){        $('#accts').append($('<option>', {            value:e,            text : e + " (" +web3.fromWei(web3.eth.getBalance(e), "ether") + " ether)"        }));})

Once the accounts are loaded, ...