ContestContract

Helps people contribute money to a project, and choose judges to distribute it for various solutions.

Deploy

when deploy it is need to pass parameters in to init method Params: name | type | description --|--|-- stagesCount|uint256|count of stages for Contest stagesMinAmount|uint256|array of minimum amount that need to reach at each stage. length array should be the same as stagesCount contestPeriodInSeconds|uint256|duration in seconds for contest period(exclude before reach minimum amount) votePeriodInSeconds|uint256|duration in seconds for voting period revokePeriodInSeconds|uint256|duration in seconds for revoking period percentForWinners|uint256[]|array of values in percentages of overall amount that will gain winners judges|address[]|array of judges' addresses. if empty than everyone can vote

Settings

name|type|value|description --|--|--|-- revokeFee|uint256|10e4|10% mul at 1e6. penalty for revoke tokens

Overview

once installed will be use methods:

Methods

isContestOnline

Checking online Contest Params: name | type | description --|--|-- stageID|uint256|Stage number

pledge

can be used only with Constest.sol to send external token into the contract, and issue internal token balance Params: name | type | description --|--|-- amount|uint256|amount to pledge stageID|uint256|Stage number

pledgeETH

can be used only with ConstestETHOnly.sol to send ETH into the contract, and issue internal token balance Note that ETH need to send with transaction/ not directly to contract via native recieve() Params: name | type | description --|--|-- amount|uint256|amount to pledge stageID|uint256|Stage number

delegate

Params: name | type | description --|--|-- judge|address|address of judge which user want to delegate own vote stageID|uint256|Stage number

vote

Params: name | type | description --|--|-- contestantAddress|address|address of contestant which user want to vote stageID|uint256|Stage number

claim

Params: name | type | description --|--|-- stageID|uint256|Stage number

enter

Params: name | type | description --|--|-- stageID|uint256|Stage number

leave

Params: name | type | description --|--|-- stageID|uint256|Stage number

revoke

Params: name | type | description --|--|-- stageID|uint256|Stage number

Lifecycle of Contest

• creation Contest. emitting event ContestStart. Starting Contest Period with StageID = 0
  • anyone can enter to contest calling method enter() and become contestant
  • anyone can leave to contest calling method leave() and remove itself from contestant list
  • anyone can pledge smth to contest calling method pledge() if didn't not become contestant earlier
• as soon as pledging by people become more than "stagesMinAmount" Contest Period will be extended for contestPeriodInSeconds seconds. and stop there
  • emitting StageStartAnnounced
• starting Voting period for votePeriodInSeconds seconds.
  • judge can vote for contestants
  • if judgeList was empty then anyone who pledged before can vote
  • anyone who pledged before can revoke own tokens with gradually increased penalty from 0 to revokeFee
• starting Revoking period for revokePeriodInSeconds seconds.
  • anyone who pledged before can revoke own tokens with revokeFee penalty
• Stage completed.(after any request with stageID).
  • emitting ContestWinnerAnnounced
  • if winners exists, then
    • reward winners
    • reward losers (if left smth from winners) they will get equally
  • if winners does not exists, then all who pledged will get equally
  • next stage will begin if current stage < stagesCount