dns2.solidity

contract dns2
{
    struct nameData
    {
        address owner;
        uint32 ipv4;
        uint128 ipv6;
        bool isIpv6;
    }
    mapping (string => nameData) names;
    address deployer;
    
    function dns2()
    {
        deployer = msg.sender;
    }
    
    function claim(string name) returns (bool success)
    {
        if (names[name].owner != 0) return false;
        names[name].owner = msg.sender;
        return true;
    }
    
    function setIpv4(string name, uint32 ip) returns (bool success)
    {
        if (names[name].owner != msg.sender) return false;
        names[name].ipv4 = ip;
        names[name].ipv6 = 0;
        names[name].isIpv6 = false;
        return true;
    }
    
    function setIpv6(string name, uint128 ip) returns (bool success)
    {
        if (names[name].owner != msg.sender) return false;
        names[name].ipv6 = ip;
        names[name].ipv4 = 0;
        names[name].isIpv6 = true;
        return true;
    }
    
    function give(string name, address recipient) returns (bool success)
    {
        if (names[name].owner != msg.sender) return false;
        names[name].owner = recipient;
        return true;
    }
    
    function owner(string name) returns (address retVal)
    {
        return names[name].owner;
    }
    
    function ipv4(string name) returns (uint32 retVal)
    {
        return names[name].ipv4;
    }
    
    function ipv6(string name) returns (uint128 retVal)
    {
        return names[name].ipv6;
    }
    
    function isIpv6(string name) returns (bool retVal)
    {
        return names[name].isIpv6;
    }
    
    function getDonations()
    {
        if (msg.sender != deployer) return;
        deployer.send(this.balance);
    }
}