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SampleOffer.sol
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SampleOffer.sol
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/*
This file is part of the DAO.
The DAO is free software: you can redistribute it and/or modify
it under the terms of the GNU lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
The DAO is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU lesser General Public License for more details.
You should have received a copy of the GNU lesser General Public License
along with the DAO. If not, see <http://www.gnu.org/licenses/>.
*/
/*
Sample Proposal from a Contractor to the DAO.
Feel free to use as a template for your own proposal.
*/
import "./DAO.sol";
contract SampleOffer {
uint totalCosts;
uint oneTimeCosts;
uint dailyCosts;
address contractor;
bytes32 hashOfTheTerms;
uint minDailyCosts;
uint paidOut;
uint dateOfSignature;
DAO client; // address of DAO
bool public promiseValid;
uint public rewardDivisor;
uint public deploymentReward;
modifier callingRestriction {
if (promiseValid) {
if (msg.sender != address(client))
throw;
} else if (msg.sender != contractor) {
throw;
}
_
}
modifier onlyClient {
if (msg.sender != address(client))
throw;
_
}
function SampleOffer(
address _contractor,
bytes32 _hashOfTheTerms,
uint _totalCosts,
uint _oneTimeCosts,
uint _minDailyCosts,
uint _rewardDivisor,
uint _deploymentReward
) {
contractor = _contractor;
hashOfTheTerms = _hashOfTheTerms;
totalCosts = _totalCosts;
oneTimeCosts = _oneTimeCosts;
minDailyCosts = _minDailyCosts;
dailyCosts = _minDailyCosts;
rewardDivisor = _rewardDivisor;
deploymentReward = _deploymentReward;
}
function sign() {
if (msg.value < totalCosts && dateOfSignature != 0)
throw;
if (!contractor.send(oneTimeCosts))
throw;
client = DAO(msg.sender);
dateOfSignature = now;
promiseValid = true;
}
function setDailyCosts(uint _dailyCosts) onlyClient {
dailyCosts = _dailyCosts;
if (dailyCosts < minDailyCosts)
promiseValid = false;
}
function returnRemainingMoney() onlyClient {
if (client.receiveEther.value(this.balance)())
promiseValid = false;
}
function getDailyPayment() {
if (msg.sender != contractor)
throw;
uint amount = (now - dateOfSignature) / (1 days) * dailyCosts - paidOut;
if (contractor.send(amount))
paidOut += amount;
}
function setRewardDivisor(uint _rewardDivisor) callingRestriction {
if (_rewardDivisor < 50)
throw; // 2% is the default max reward
rewardDivisor = _rewardDivisor;
}
function setDeploymentFee(uint _deploymentReward) callingRestriction {
if (deploymentReward > 10 ether)
throw; // TODO, set a max defined by Curator, or ideally oracle (set in euro)
deploymentReward = _deploymentReward;
}
// interface for Ethereum Computer
function payOneTimeReward() returns(bool) {
if (msg.value < deploymentReward)
throw;
if (promiseValid) {
if (client.DAOrewardAccount().call.value(msg.value)()) {
return true;
} else {
throw;
}
} else {
if (contractor.send(msg.value)) {
return true;
} else {
throw;
}
}
}
// pay reward
function payReward() returns(bool) {
if (promiseValid) {
if (client.DAOrewardAccount().call.value(msg.value)()) {
return true;
} else {
throw;
}
} else {
if (contractor.send(msg.value)) {
return true;
} else {
throw;
}
}
}
}