From Proposal Framework 1.0, DAO 1.1 draft!.
Read the specifications from the wiki at Proposal Framework v.1.0.
And here is a proposal submission guide: How to submit a Proposal to the DAO.
See also How to Create Gorgeous Proposals.
Offer.sol
Proposal with prevote.
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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/>. */ /* An Offer from a Contractor to the DAO. No logic about the DAO reward is included in this contract. Feel free to use as a base contract for your own proposal. Actors: - Offerer: the entity that creates the Offer. Usually it is the initial Contractor. - Contractor: the entity that has rights to withdraw ether to perform its project. - Client: the DAO that gives ether to the Contractor. It accepts the Offer, can adjust daily withdraw limit or even fire the Contractor. */ import "./DAO.sol"; contract Offer { // Period of time after the passing of a proposal during which the offer // contract can not be signed in order to provide enough time to anyone // who may want to split off the DAO to do so. uint constant splitGracePeriod = 8 days; // The total cost of the Offer for the Client. Exactly this amount is // transfered from the Client to the Offer contract when the Offer is // accepted by the Client. Set once by the Offerer. uint totalCost; // Initial withdrawal to the Contractor. It is done the moment the // Offer is accepted. Set once by the Offerer. uint initialWithdrawal; // The minimum daily withdrawal limit that the Contractor accepts. // Set once by the Offerer. uint128 minDailyWithdrawalLimit; // The amount of wei the Contractor has right to withdraw daily above the // initial withdrawal. The Contractor does not have to perform the // withdrawals every day as this amount accumulates. uint128 dailyWithdrawalLimit; // Period of time after which money can be withdrawn from this contract uint payoutFreezePeriod; // The address of the Contractor. address contractor; // The hash of the Proposal/Offer document. bytes32 hashOfTheProposalDocument; // The time of the last withdrawal to the Contractor. uint lastWithdrawal; // The timestamp when the offer contract was accepted. uint dateOfSignature; // Voting deadline of the proposal uint votingDeadline; // The address of the current Client. DAO client; // The address of the Client who accepted the Offer. DAO originalClient; // Flag denoting whether the contract is still considered valid bool isContractValid; // Flag denoting if the initial withdrawal sum was drawn from the contract bool initialWithdrawalDone; modifier onlyClient { if (msg.sender != address(client)) throw; _ } // Prevents methods from perfoming any value transfer modifier noEther() {if (msg.value > 0) throw; _} function Offer( address _contractor, address _client, bytes32 _hashOfTheProposalDocument, uint _totalCost, uint _initialWithdrawal, uint128 _minDailyWithdrawalLimit, uint _payoutFreezePeriod ) { contractor = _contractor; originalClient = DAO(_client); client = DAO(_client); hashOfTheProposalDocument = _hashOfTheProposalDocument; totalCost = _totalCost; initialWithdrawal = _initialWithdrawal; minDailyWithdrawalLimit = _minDailyWithdrawalLimit; dailyWithdrawalLimit = _minDailyWithdrawalLimit; payoutFreezePeriod = _payoutFreezePeriod; } // non-value-transfer getters function getTotalCost() noEther constant returns (uint) { return totalCost; } function getInitialWithdrawal() noEther constant returns (uint) { return initialWithdrawal; } function getMinDailyWithdrawalLimit() noEther constant returns (uint128) { return minDailyWithdrawalLimit; } function getDailyWithdrawalLimit() noEther constant returns (uint128) { return dailyWithdrawalLimit; } function getPayoutFreezePeriod() noEther constant returns (uint) { return payoutFreezePeriod; } function getContractor() noEther constant returns (address) { return contractor; } function getHashOfTheProposalDocument() noEther constant returns (bytes32) { return hashOfTheProposalDocument; } function getLastWithdrawal() noEther constant returns (uint) { return lastWithdrawal; } function getDateOfSignature() noEther constant returns (uint) { return dateOfSignature; } function getClient() noEther constant returns (DAO) { return client; } function getOriginalClient() noEther constant returns (DAO) { return originalClient; } function getIsContractValid() noEther constant returns (bool) { return isContractValid; } function getInitialWithdrawalDone() noEther constant returns (bool) { return initialWithdrawalDone; } function getVotingDeadline() noEther constant returns (uint) { return votingDeadline; } function sign() { if (msg.sender != address(originalClient) // no good samaritans give us ether || msg.value != totalCost // no under/over payment || dateOfSignature != 0 // don't accept twice || votingDeadline == 0 // votingDeadline needs to be set || now < votingDeadline + splitGracePeriod) // give people time to split throw; lastWithdrawal = votingDeadline + payoutFreezePeriod; if (payoutFreezePeriod == 0) { if (!contractor.send(initialWithdrawal)) throw; initialWithdrawalDone = true; } dateOfSignature = now; isContractValid = true; } // Once a proposal is submitted, the Contractor should call this // function to set the voting deadline of the proposal function setVotingDeadline(uint _votingDeadline) noEther { if (msg.sender != contractor || votingDeadline != 0) throw; votingDeadline = _votingDeadline; } function setDailyWithdrawLimit(uint128 _dailyWithdrawalLimit) onlyClient noEther { if (_dailyWithdrawalLimit >= minDailyWithdrawalLimit) dailyWithdrawalLimit = _dailyWithdrawalLimit; } // Terminate the ongoing Offer. // // The Client can terminate the ongoing Offer using this method. Using it // on an invalid (balance 0) Offer has no effect. The Contractor loses // right to any ether left in the Offer. function terminate() noEther onlyClient { if (originalClient.DAOrewardAccount().call.value(this.balance)()) isContractValid = false; } // Withdraw to the Contractor. // // Withdraw the amount of ether the Contractor has right to according to // the current withdraw limit. // Executing this function before the Offer is accepted by the Client // makes no sense as this contract has no ether. function withdraw() noEther { if (msg.sender != contractor || now < votingDeadline + payoutFreezePeriod) throw; uint timeSincelastWithdrawal = now - lastWithdrawal; // Calculate the amount using 1 second precision. uint amount = (timeSincelastWithdrawal * dailyWithdrawalLimit) / (1 days); if (amount > this.balance) { amount = this.balance; } var lastWithdrawalReset = lastWithdrawal; lastWithdrawal = now; if (!contractor.send(amount)) lastWithdrawal = lastWithdrawalReset; } // Perform the withdrawal of the initial sum of money to the contractor // if that did not already happen during the signing function performInitialWithdrawal() noEther { if (msg.sender != contractor || now < votingDeadline + payoutFreezePeriod || initialWithdrawalDone ) { throw; } initialWithdrawalDone = true; if (!contractor.send(initialWithdrawal)) throw; } // Change the client DAO by giving the new DAO's address // warning: The new DAO must come either from a split of the original // DAO or an update via `newContract()` so that it can claim rewards function updateClientAddress(DAO _newClient) onlyClient noEther { client = _newClient; } function () { throw; // This is a business contract, no donations. } } |
PFOffer.sol
Proposal with NO prevote.
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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/>. */ /* An Offer from a Contractor to the DAO without any reward going back to the DAO. Feel free to use as a template for your own proposal. Actors: - Offerer: the entity that creates the Offer. Usually it is the initial Contractor. - Contractor: the entity that has rights to withdraw ether to perform its project. - Client: the DAO that gives ether to the Contractor. It signs off the Offer, can adjust daily withdraw limit or even fire the Contractor. -- Important Note For Compilation -- This contract also reads from the DAO's proposal struct array. There used to be a solidity bug (https://github.com/ethereum/solidity/issues/598#issuecomment-224015639) that is now fixed which would result in wrong values when reading from the proposals array. Use a solc that includes commit: 0a0fc04641787ce057a9fcc9e366ea898b1fd8d6 to be sure that the contract is compiled with the fix and that the proposals member attributes are read correctly. This comment will be updated as soon as the fix makes it into a solc release. */ import "./DAO.sol"; contract PFOffer { // Period of time after which money can be withdrawn from this contract uint constant payoutFreezePeriod = 18 days; // Time before the end of the voting period after which // checkVoteStatus() can no longer be called uint constant voteStatusDeadline = 48 hours; // Time before the proposal can get executed. This allows token holders // to split after they have voted. uint constant splitGracePeriod = 8 days; // The total cost of the Offer for the Client. Exactly this amount is // transfered from the Client to the Offer contract when the Offer is // accepted by the Client. Set once by the Offerer. uint totalCost; // Initial withdrawal to the Contractor. It is done the moment the // Offer is accepted. Set once by the Offerer. uint initialWithdrawal; bool initialWithdrawalDone; // The minimum daily withdrawal limit that the Contractor accepts. // Set once by the Offerer. uint128 minDailyWithdrawalLimit; // The amount of wei the Contractor has right to withdraw daily above the // initial withdrawal. The Contractor does not have to perform the // withdrawals every day as this amount accumulates. uint128 dailyWithdrawalLimit; // The address of the Contractor. address contractor; // The hash of the Proposal/Offer document. bytes32 hashOfTheProposalDocument; // The time of the last withdrawal to the Contractor. uint lastWithdrawal; // The timestamp when the offer contract was accepted. uint dateOfSignature; // The address of the current Client. DAO client; // The address of the Client who accepted the Offer. DAO originalClient; bool isContractValid; // The ID of the proposal that represents this contract in the DAO uint proposalID; bool wasApprovedBeforeDeadline; modifier onlyClient { if (msg.sender != address(client)) throw; _ } modifier onlyContractor { if (msg.sender != address(contractor)) throw; _ } // Prevents methods from perfoming any value transfer modifier noEther() {if (msg.value > 0) throw; _} function PFOffer( address _contractor, address _client, bytes32 _hashOfTheProposalDocument, uint _totalCost, uint _initialWithdrawal, uint128 _minDailyWithdrawalLimit ) { contractor = _contractor; originalClient = DAO(_client); client = DAO(_client); hashOfTheProposalDocument = _hashOfTheProposalDocument; totalCost = _totalCost; initialWithdrawal = _initialWithdrawal; minDailyWithdrawalLimit = _minDailyWithdrawalLimit; dailyWithdrawalLimit = _minDailyWithdrawalLimit; } // non-value-transfer getters function getTotalCost() noEther constant returns (uint) { return totalCost; } function getInitialWithdrawal() noEther constant returns (uint) { return initialWithdrawal; } function getMinDailyWithdrawalLimit() noEther constant returns (uint128) { return minDailyWithdrawalLimit; } function getDailyWithdrawalLimit() noEther constant returns (uint128) { return dailyWithdrawalLimit; } function getContractor() noEther constant returns (address) { return contractor; } function getHashOfTheProposalDocument() noEther constant returns (bytes32) { return hashOfTheProposalDocument; } function getLastWithdrawal() noEther constant returns (uint) { return lastWithdrawal; } function getDateOfSignature() noEther constant returns (uint) { return dateOfSignature; } function getClient() noEther constant returns (DAO) { return client; } function getOriginalClient() noEther constant returns (DAO) { return originalClient; } function getIsContractValid() noEther constant returns (bool) { return isContractValid; } function getInitialWithdrawalDone() noEther constant returns (bool) { return initialWithdrawalDone; } function getWasApprovedBeforeDeadline() noEther constant returns (bool) { return wasApprovedBeforeDeadline; } function getProposalID() noEther constant returns (uint) { return proposalID; } function sign() { var (_,,,votingDeadline,,) = client.proposals(proposalID); if (msg.sender != address(originalClient) // no good samaritans give us ether || msg.value != totalCost // no under/over payment || dateOfSignature != 0 // don't sign twice || !wasApprovedBeforeDeadline // fail if the voteStatusCheck was not done || now < votingDeadline + splitGracePeriod) // allow splitting within the split grace period throw; dateOfSignature = now; isContractValid = true; lastWithdrawal = now + payoutFreezePeriod; } function setDailyWithdrawLimit(uint128 _dailyWithdrawalLimit) onlyClient noEther { if (_dailyWithdrawalLimit >= minDailyWithdrawalLimit) dailyWithdrawalLimit = _dailyWithdrawalLimit; } // Terminate the ongoing Offer. // // The Client can terminate the ongoing Offer using this method. Using it // on an invalid (balance 0) Offer has no effect. The Contractor loses // right to any ether left in the Offer. function terminate() noEther onlyClient { if (originalClient.DAOrewardAccount().call.value(this.balance)()) isContractValid = false; } // Withdraw to the Contractor. // // Withdraw the amount of ether the Contractor has right to according to // the current withdraw limit. // Executing this function before the Offer is signed off by the Client // makes no sense as this contract has no ether. function withdraw() noEther { if (msg.sender != contractor || now < dateOfSignature + payoutFreezePeriod) throw; uint timeSinceLastPayment = now - lastWithdrawal; // Calculate the amount using 1 second precision. uint amount = (timeSinceLastPayment * dailyWithdrawalLimit) / (1 days); if (amount > this.balance) { amount = this.balance; } var lastWithdrawalReset = lastWithdrawal; lastWithdrawal = now; if (!contractor.send(amount)) lastWithdrawal = lastWithdrawalReset; } // Perform the withdrawal of the initial sum of money to the contractor function performInitialWithdrawal() noEther { if (msg.sender != contractor || now < dateOfSignature + payoutFreezePeriod || initialWithdrawalDone ) { throw; } initialWithdrawalDone = true; if (!contractor.send(initialWithdrawal)) throw; } // Once a proposal is submitted, the Contractor should call this // function to register its proposal ID with the offer contract // so that the vote can be watched and checked with `checkVoteStatus()` function watchProposal(uint _proposalID) noEther onlyContractor { var (recipient,,,votingDeadline,open,) = client.proposals(_proposalID); if (recipient == address(this) && votingDeadline > now && open && proposalID == 0) { proposalID = _proposalID; } } // The proposal will not accept the results of the vote if it wasn't able // to be sure that YEA was able to succeed 48 hours before the deadline function checkVoteStatus() noEther { var (,,,votingDeadline,,,,,,yea,nay,) = client.proposals(proposalID); uint quorum = yea * 100 / client.totalSupply(); // Only execute until 48 hours before the deadline if (now > votingDeadline - voteStatusDeadline) { throw; } // If quorum is met and majority is for it then the prevote // check can be considered as succesfull wasApprovedBeforeDeadline = (quorum >= 100 / client.minQuorumDivisor() && yea > nay); } // Change the client DAO by giving the new DAO's address // warning: The new DAO must come either from a split of the original // DAO or an update via `newContract()` so that it can claim rewards function updateClientAddress(DAO _newClient) onlyClient noEther { client = _newClient; } function () { throw; // this is a business contract, no donations } } |