Aniket-Engg

contract EthereumClaimsRegistry {

    mapping(address => mapping(address => mapping(bytes32 => bytes32))) public registry;

    event ClaimSet(
        address indexed issuer,
        address indexed subject,
        bytes32 indexed key,
        bytes32 value,
        uint updatedAt);

Aniket-Engg

export var write = (ws, message) => 
{
    if(message.hasOwnProperty('data')){
        var temp = JSON.parse(message.data);
        if(temp.length == 1)
            delete temp[0]['extraData'];
        else{
            for(var i=1;i<temp.length;i++)
                delete temp[i]['extraData'];
        }        

Aniket-Engg

var calculateHashForBlock = (block) => {
    return calculateHash(block.index, block.previousHash, block.timestamp, block.data);
};


var calculateHash = (index, previousHash, timestamp, data) => {
    return CryptoJS.SHA256(index + previousHash + timestamp + data).toString();
};