SurveyToken solidity code and ABI interface:


Contract address:

0x795aFd4350049359A5ef359ec7bc8579b1E36D60

Symbol: SRT

Decimals: 18


ABI:

[{constant:!0,inputs:[{name:"key",type:"bytes32"}],name:"getSurveyInfo",outputs:[{name:"success",type:"bool"},{name:"toPay",type:"uint256"},{name:"tickets",type:"uint32"},{name:"reward",type:"uint256"}],payable:!1,stateMutability:"view",type:"function"},{constant:!0,inputs:[],name:"name",outputs:[{name:"",type:"string"}],payable:!1,stateMutability:"view",type:"function"},{constant:!1,inputs:[{name:"_spender",type:"address"},{name:"_value",type:"uint256"}],name:"approve",outputs:[{name:"success",type:"bool"}],payable:!1,stateMutability:"nonpayable",type:"function"},{constant:!0,inputs:[],name:"totalSupply",outputs:[{name:"",type:"uint256"}],payable:!1,stateMutability:"view",type:"function"},{constant:!1,inputs:[{name:"_from",type:"address"},{name:"_to",type:"address"},{name:"_value",type:"uint256"}],name:"transferFrom",outputs:[{name:"success",type:"bool"}],payable:!1,stateMutability:"nonpayable",type:"function"},{constant:!1,inputs:[{name:"surveyKey",type:"bytes32"}],name:"removeSurvey",outputs:[{name:"success",type:"bool"}],payable:!1,stateMutability:"nonpayable",type:"function"},{constant:!0,inputs:[],name:"decimals",outputs:[{name:"",type:"uint8"}],payable:!1,stateMutability:"view",type:"function"},{constant:!1,inputs:[{name:"_value",type:"uint256"}],name:"burn",outputs:[{name:"success",type:"bool"}],payable:!1,stateMutability:"nonpayable",type:"function"},{constant:!1,inputs:[{name:"oldRobot",type:"address"}],name:"removeRobot",outputs:[{name:"success",type:"bool"}],payable:!1,stateMutability:"nonpayable",type:"function"},{constant:!1,inputs:[{name:"newRobot",type:"address"}],name:"addRobot",outputs:[{name:"success",type:"bool"}],payable:!1,stateMutability:"nonpayable",type:"function"},{constant:!0,inputs:[{name:"",type:"address"}],name:"balanceOf",outputs:[{name:"",type:"uint256"}],payable:!1,stateMutability:"view",type:"function"},{constant:!1,inputs:[{name:"_from",type:"address"},{name:"_value",type:"uint256"}],name:"burnFrom",outputs:[{name:"success",type:"bool"}],payable:!1,stateMutability:"nonpayable",type:"function"},{constant:!0,inputs:[],name:"owner",outputs:[{name:"",type:"address"}],payable:!1,stateMutability:"view",type:"function"},{constant:!0,inputs:[],name:"symbol",outputs:[{name:"",type:"string"}],payable:!1,stateMutability:"view",type:"function"},{constant:!1,inputs:[{name:"_to",type:"address"},{name:"_value",type:"uint256"}],name:"transfer",outputs:[],payable:!1,stateMutability:"nonpayable",type:"function"},{constant:!1,inputs:[{name:"_spender",type:"address"},{name:"_value",type:"uint256"},{name:"_extraData",type:"bytes"}],name:"approveAndCall",outputs:[{name:"success",type:"bool"}],payable:!1,stateMutability:"nonpayable",type:"function"},{constant:!0,inputs:[{name:"",type:"address"},{name:"",type:"address"}],name:"allowance",outputs:[{name:"",type:"uint256"}],payable:!1,stateMutability:"view",type:"function"},{constant:!1,inputs:[{name:"surveyKey",type:"bytes32"},{name:"respondent",type:"address"},{name:"karma",type:"uint8"}],name:"giveReward",outputs:[{name:"success",type:"bool"}],payable:!1,stateMutability:"nonpayable",type:"function"},{constant:!1,inputs:[{name:"newReceiver",type:"address"}],name:"setFeeReceiver",outputs:[],payable:!1,stateMutability:"nonpayable",type:"function"},{constant:!1,inputs:[{name:"newOwner",type:"address"}],name:"transferOwnership",outputs:[],payable:!1,stateMutability:"nonpayable",type:"function"},{constant:!1,inputs:[{name:"key",type:"bytes32"},{name:"toPay",type:"uint256"},{name:"tickets",type:"uint32"},{name:"reward",type:"uint256"}],name:"placeNewSurvey",outputs:[{name:"success",type:"bool"}],payable:!1,stateMutability:"nonpayable",type:"function"},{inputs:[{name:"initialSupply",type:"uint256"}],payable:!1,stateMutability:"nonpayable",type:"constructor"},{anonymous:!1,inputs:[{indexed:!0,name:"from",type:"address"},{indexed:!0,name:"to",type:"address"},{indexed:!1,name:"value",type:"uint256"}],name:"Transfer",type:"event"},{anonymous:!1,inputs:[{indexed:!0,name:"from",type:"address"},{indexed:!1,name:"value",type:"uint256"}],name:"Burn",type:"event"}]


Code:

pragma solidity ^0.4.16; interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) external; } contract TokenERC20 { // Public variables of the token string public name = "SurveyToken"; string public symbol = "SRT"; uint8 public decimals = 18; uint256 public totalSupply; // This creates an array with all balances mapping (address => uint256) public balanceOf; mapping (address => mapping (address => uint256)) public allowance; // This generates a public event on the blockchain that will notify clients event Transfer(address indexed from, address indexed to, uint256 value); // This notifies clients about the amount burnt event Burn(address indexed from, uint256 value); /** * Constrctor function * * Initializes contract with initial supply tokens to the creator of the contract */ function TokenERC20(uint256 initialSupply) public { totalSupply = initialSupply * 10 ** uint256(decimals); // Update total supply with the decimal amount balanceOf[msg.sender] = totalSupply; } /** * Internal transfer, only can be called by this contract */ function _transfer(address _from, address _to, uint _value) internal { // Prevent transfer to 0x0 address. Use burn() instead require(_to != 0x0); // Check if the sender has enough require(balanceOf[_from] >= _value); // Check for overflows require(balanceOf[_to] + _value > balanceOf[_to]); // Save this for an assertion in the future uint previousBalances = balanceOf[_from] + balanceOf[_to]; // Subtract from the sender balanceOf[_from] -= _value; // Add the same to the recipient balanceOf[_to] += _value; emit Transfer(_from, _to, _value); // Asserts are used to use static analysis to find bugs in your code. They should never fail assert(balanceOf[_from] + balanceOf[_to] == previousBalances); } /** * Transfer tokens * * Send `_value` tokens to `_to` from your account * * @param _to The address of the recipient * @param _value the amount to send */ function transfer(address _to, uint256 _value) public { _transfer(msg.sender, _to, _value); } /** * Transfer tokens from other address * * Send `_value` tokens to `_to` in behalf of `_from` * * @param _from The address of the sender * @param _to The address of the recipient * @param _value the amount to send */ function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) { require(_value <= allowance[_from][msg.sender]); // Check allowance allowance[_from][msg.sender] -= _value; _transfer(_from, _to, _value); return true; } /** * Set allowance for other address * * Allows `_spender` to spend no more than `_value` tokens in your behalf * * @param _spender The address authorized to spend * @param _value the max amount they can spend */ function approve(address _spender, uint256 _value) public returns (bool success) { allowance[msg.sender][_spender] = _value; return true; } /** * Set allowance for other address and notify * * Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it * * @param _spender The address authorized to spend * @param _value the max amount they can spend * @param _extraData some extra information to send to the approved contract */ function approveAndCall(address _spender, uint256 _value, bytes _extraData) public returns (bool success) { tokenRecipient spender = tokenRecipient(_spender); if (approve(_spender, _value)) { spender.receiveApproval(msg.sender, _value, this, _extraData); return true; } } /** * Destroy tokens * * Remove `_value` tokens from the system irreversibly * * @param _value the amount of money to burn */ function burn(uint256 _value) public returns (bool success) { require(balanceOf[msg.sender] >= _value); // Check if the sender has enough balanceOf[msg.sender] -= _value; // Subtract from the sender totalSupply -= _value; // Updates totalSupply emit Burn(msg.sender, _value); return true; } /** * Destroy tokens from other account * * Remove `_value` tokens from the system irreversibly on behalf of `_from`. * * @param _from the address of the sender * @param _value the amount of money to burn */ function burnFrom(address _from, uint256 _value) public returns (bool success) { require(balanceOf[_from] >= _value); // Check if the targeted balance is enough require(_value <= allowance[_from][msg.sender]); // Check allowance balanceOf[_from] -= _value; // Subtract from the targeted balance allowance[_from][msg.sender] -= _value; // Subtract from the sender's allowance totalSupply -= _value; // Update totalSupply emit Burn(_from, _value); return true; } } contract owned { address public owner; function owned() public { owner = msg.sender; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address newOwner) public onlyOwner { owner = newOwner; } } contract SurveyToken is TokenERC20, owned { struct Survey { address initiator; uint256 toPay; uint256 balance; uint32 tickets; uint256 reward; mapping(address => bool) respondents; } address feeReceiver; mapping(bytes32 => Survey) surveys; mapping(address => bool) robots; modifier onlyRobot { require(robots[msg.sender]); _; } function SurveyToken(uint256 initialSupply) public TokenERC20(initialSupply) { feeReceiver = msg.sender; } function setFeeReceiver(address newReceiver) public onlyOwner { require(newReceiver != 0x0); feeReceiver = newReceiver; } function addRobot(address newRobot) public onlyOwner returns(bool success) { require(newRobot != 0x0); require(robots[newRobot] == false); robots[newRobot] = true; return true; } function removeRobot(address oldRobot) public onlyOwner returns(bool success) { require(oldRobot != 0x0); require(robots[oldRobot] == true); robots[oldRobot] = false; return true; } function placeNewSurvey(bytes32 key, uint256 toPay, uint32 tickets, uint256 reward) public returns(bool success) { require(surveys[key].initiator == 0x0); require(tickets > 0 && reward >= 0); uint256 rewardBalance = tickets * reward; require(rewardBalance < toPay && toPay > 0); require(balanceOf[msg.sender] >= toPay); uint256 fee = toPay - rewardBalance; require(balanceOf[feeReceiver] + fee > balanceOf[feeReceiver]); transfer(feeReceiver, fee); balanceOf[msg.sender] -= rewardBalance; surveys[key] = Survey(msg.sender, toPay, rewardBalance, tickets, reward); emit Transfer(msg.sender, 0x0, rewardBalance); return true; } function giveReward(bytes32 surveyKey, address respondent, uint8 karma) public onlyRobot returns(bool success) { require(respondent != 0x0); Survey storage surv = surveys[surveyKey]; require(surv.respondents[respondent] == false); require(surv.tickets > 0 && surv.reward > 0 && surv.balance >= surv.reward); require(karma >= 0 && karma <= 10); if (karma < 10) { uint256 fhalf = surv.reward / 2; uint256 shalf = ((surv.reward - fhalf) / 10) * karma; uint256 respReward = fhalf + shalf; uint256 fine = surv.reward - respReward; require(balanceOf[respondent] + respReward > balanceOf[respondent]); require(balanceOf[feeReceiver] + fine > balanceOf[feeReceiver]); balanceOf[respondent] += respReward; emit Transfer(0x0, respondent, respReward); balanceOf[feeReceiver] += fine; emit Transfer(0x0, feeReceiver, fine); } else { require(balanceOf[respondent] + surv.reward > balanceOf[respondent]); balanceOf[respondent] += surv.reward; emit Transfer(0x0, respondent, surv.reward); } surv.tickets--; surv.balance -= surv.reward; surv.respondents[respondent] = true; return true; } function removeSurvey(bytes32 surveyKey) public onlyRobot returns(bool success) { Survey storage surv = surveys[surveyKey]; require(surv.initiator != 0x0 && surv.balance > 0); require(balanceOf[surv.initiator] + surv.balance > balanceOf[surv.initiator]); balanceOf[surv.initiator] += surv.balance; emit Transfer(0x0, surv.initiator, surv.balance); surv.balance = 0; return true; } function getSurveyInfo(bytes32 key) public constant returns(bool success, uint256 toPay, uint32 tickets, uint256 reward) { Survey storage surv = surveys[key]; require(surv.initiator != 0x0); return (true, surv.toPay, surv.tickets, surv.reward); } }