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| pragma solidity ^0.4.23;
import "./FathomToken.sol";
import "./ConceptRegistry.sol";
import "./Assessment.sol";
import "./AssessmentData.sol";
import "./Math.sol";
import "./ConceptData.sol";
//@purpose: To store concept data and create and manage assessments and members
contract Concept is ConceptData {
modifier onlyOwner() {
require(msg.sender == owner, 'Owner access only');
_;
}
function transferOwnership(address _newOwner) public onlyOwner() {
owner = _newOwner;
}
function changeParents(address[] _newParents, uint[] _newPropagationRates) public onlyOwner() {
for (uint j = 0; j < _newParents.length; j++) {
Erequire(_newParents[j] != address(this), 'Concept cannot be parent to itself');
Erequire(conceptRegistry.conceptExists(_newParents[j]), 'Parent concept does not exist');
Erequire(_newPropagationRates[j] < 1000, 'Propagation rates must be < 1000');
}
parents = _newParents;
propagationRates = _newPropagationRates;
}
function changeData(bytes _data) public onlyOwner() {
data = _data;
}
function changeLifetime(uint _newLifetime) public onlyOwner() {
lifetime = _newLifetime;
}
function getAvailableMemberLength() public view returns(uint) {
return buckets[activeBucket()].length;
}
function getParentsLength() public view returns(uint) {
return parents.length;
}
/*
@purpose: To add the firstUser to Mew
*/
function addInitialMember(address _user, uint _weight) public {
require(msg.sender == conceptRegistry.distributorAddress(), 'Distributor access only');
Eif (conceptRegistry.distributorAddress() == msg.sender) {
addWeight(_user, _weight);
uint startBucket = startBucketNumber(_user);
for(uint i; i < NofBUCKETS; i++) {
buckets[startBucket + i].push(_user);
memberData[_user].bucketIndices[startBucket + i] = buckets[startBucket + i].length;
}
}
}
/*
@purpose: add the caller of this function to the arrays of potential assessors
if they still have a weight in the concept
@returns true if they are available as assessor
*/
function toggleAvailability(bool available) public {
// startBucket: the msg.senders first bucket they are available in
uint startBucketNumber = (memberData[msg.sender].date - CREATION_DATE - lifetime) / (lifetime / NofBUCKETS);
if (available) {
Erequire(memberData[msg.sender].weight > 0, 'Must have a weight to toggle available');
Erequire(memberData[msg.sender].date > now, 'Weight must not be expired to toggle available');
for (uint i; i < NofBUCKETS; i++) {
Eif (memberData[msg.sender].bucketIndices[startBucketNumber + i] == 0) {
buckets[startBucketNumber + i].push(msg.sender);
memberData[msg.sender].bucketIndices[startBucketNumber + i] = buckets[startBucketNumber + i].length;
}
}
return;
}
// Else set unavailable
for (uint bi; bi < NofBUCKETS; bi++) {
uint index = memberData[msg.sender].bucketIndices[startBucketNumber + bi];
if (index > 0) {
address[] storage bucket = buckets[startBucketNumber + bi];
address lastMember = bucket[bucket.length -1];
bucket[index - 1] = lastMember;
memberData[lastMember].bucketIndices[startBucketNumber + bi] = index;
memberData[msg.sender].bucketIndices[startBucketNumber + bi] = 0;
bucket.length--;
}
}
}
function activeBucket () public view returns(uint) {
return (now - CREATION_DATE) / (lifetime / NofBUCKETS); // existence / bucketLength
}
function getActiveBucket () public view returns(address[]) {
return buckets[activeBucket()];
}
function startBucketNumber(address _user) internal view returns(uint) {
return (memberData[_user].date - CREATION_DATE - lifetime) / (lifetime / NofBUCKETS);
}
/*
@purpose: get the weight of a given member
*/
function getWeight(address _member) public view returns(uint weight) {
if (memberData[_member].date > now) {
weight = memberData[_member].weight;
}
}
/*
@purpose: To make a new assessment
NOTE: While there are less than 200 members in network, all members of mew will
be called as assessors for any concept
@param: uint cost = the cost per assessor
@param: uint size = the number of assessors
*/
function makeAssessment(uint cost, uint size, uint _waitTime, uint _timeLimit) public {
require(size >= 5, 'Assessment size must be >= five');
Erequire(fathomToken.balanceOf(msg.sender) >= cost*size, 'Token balance too low');
Assessment newAssessment = conceptRegistry.proxyFactory().createAssessment(
msg.sender,
cost,
size,
_waitTime,
_timeLimit
);
assessmentExists[address(newAssessment)] = true;
fathomToken.takeBalance(msg.sender, address(newAssessment), cost*size, address(this));
newAssessment.setAssessorPool(uint(blockhash(block.number)), address(this), size);
}
/*
integrates the caller into the new concept IFF they have an assessment in the original concept that
- is not expired by the definition of the this concept (aka the clone)
- and has ended before this concept has been created
*/
function integrateMember() public {
Concept original = Concept(cloneOf);
address recentAssessment;
uint weight;
uint date;
(recentAssessment, weight, date) = original.memberData(msg.sender);
Erequire(weight > 0, 'Must have a non-zero weight in original concept');
uint adjustedExpirationDate = date - original.lifetime() + lifetime;
Erequire(adjustedExpirationDate > now, 'Expiration date must be in the future');
Erequire(Assessment(recentAssessment).endTime() < creationDate, 'Assessment must be before clone creation'); // Initial Members can't migratedd
memberData[msg.sender].weight = weight;
memberData[msg.sender].date = adjustedExpirationDate;
original.migrateMember(msg.sender);
// if (available) toggleAvailable(true); // by default, members are available in the new concept
}
function migrateMember(address _member) public {
Erequire(conceptRegistry.conceptExists(msg.sender), 'Concept access only');
toggleAvailability(false);
delete memberData[_member];
}
/*
@purpose: To add a member to a concept
@param: address assessee = the address of the assessee
@param: uint weight = the weight for the member
@returns: nothing
*/
function addMember(address _assessee, uint _weight) external {
Eif (assessmentExists[msg.sender]) {
memberData[_assessee].recentAssessment = msg.sender;
addWeight(_assessee, _weight);
}
}
function addWeight(address _assessee, uint _weight) internal {
memberData[_assessee].weight = _weight;
memberData[_assessee].date = now + lifetime > now ? now + lifetime : 2**255;
}
}
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