What is Lock3r Network (LK3R) | What is LK3R token
Lock3r Network is a decentralized keeper network for projects that need external devops and for external teams to find locker jobs - a fundamental example of a MaaS (Maintenance as a Service) protocol.
Lock3rs
A Locker in our project is the term used to refer to an external person and/or team that executes a job, ordinarily these we’re called Keepers. This can be as simplistic as calling a transaction, or as complex as requiring extensive off-chain logic. The scope of Lock3r network is not to manage these jobs themselves, but to allow contracts to register as jobs for lockers, and lockers to register themselves as available to perform jobs. It is up to the individual locker to set up their devops and infrastructure and create their own rules based on what transactions they deem profitable.
Jobs
A Job is the term used to refer to a smart contract that wishes an external entity to perform an action. They would like the action to be performed in “good will” and not have a malicious result. For this reason they register as a job, and lockers can then execute on their contract.
Becoming a Locker
To join as a Locker you call bond(uint) on the Lock3r contract. You do not need to have LK3R tokens to join as a Locker, so you can join with bond(0). There is a 2 day bonding delay before you can activate as a Locker. Once the 2 days have passed, you can call activate(). Once activated your lastJob timestamp will be set to the current block timestamp.
Registering a Job
A job can be any system that requires external execution, the scope of Lock3r is not to define or restrict the action taken, but to create an incentive mechanism for all parties involved. There are two cores ways to create a Job;
Registering a Job via Governance
If you prefer, you can register as a job by simply submitting a proposal via Governance, to include the contract as a job. If governance approves, no further steps are required.
Registering a Job via Contract Interface
You can register as a job by calling addLiquidityToJob(address,uint) on the Lock3r contract. You must not have any current active jobs associated with this account. Calling addLiquidityToJob(address,uint) will create a pending Governance vote for the job specified by address in the function arguments. You are limited to submit a new job request via this address every 14 days.
Job Interface
Some contracts require external event execution, an example for this is the harvest() function in the yearn ecosystem, or the update(address,address) function in the uniquote ecosystem. These normally require a restricted access control list, however these can be difficult for fully decentralized projects to manage, as they lack devops infrastructure.
These interfaces can be broken down into two types, no risk delta (something like update(address,address) in uniquote, which needs to be executed, but not risk to execution), and harvest() in yearn, which can be exploited by malicious actors by front-running deposits.
For no, or low risk executions, you can simply call Lock3r.isLocker(msg.sender) which will let you know if the given actor is a locker in the network.
For high, sensitive, or critical risk executions, you can specify a minimum bond, minimum jobs completed, and minimum Locker age required to execute this function. Based on these 3 limits you can define your own trust ratio on these lockers.
So a function definition would look as follows;
function execute() external { require(Lock3r.isLocker(msg.sender), "Lock3r not allowed");}
At the end of the call, you simply need to call workReceipt(address,uint) to finalize the execution for the locker network. In the call you specify the locker being rewarded, and the amount of LK3R you would like to award them with. This is variable based on what you deem is a fair reward for the work executed.
Example Lock3rJob
interface UniOracleFactory { function update(address tokenA, address tokenB) external;}interface Lock3r { function isLocker(address) external view returns (bool); function workReceipt(address locker, uint amount) external;}contract Lock3rJob { UniOracleFactory constant JOB = UniOracleFactory(0x61da8b0808CEA5281A912Cd85421A6D12261D136); Lock3r constant LK3R = Lock3r(0x1cEB5cB57C4D4E2b2433641b95Dd330A33185A44); function update(address tokenA, address tokenB) external { require(LK3R.isLocker(msg.sender), "Lock3rJob::update: not a valid locker"); JOB.update(tokenA, tokenB); LK3R.workReceipt(msg.sender, 1e18); }}
Job Credits
As mentioned in Job Interface, a job has a set amount of credits that they can award lockers with. To receive credits you do not need to purchase LK3R tokens, instead you need to provide LK3R-WETH liquidity in Uniswap. This will give you an amount of credits equal to the amount of LK3R tokens in the liquidity you provide.
You can remove your liquidity at any time, so you do not have to keep buying new credits. Your liquidity provided is never reduced and as such you can remove it whenever you no longer would like a job to be executed.
To add credits, you simply need to have LK3R-WETH LP tokens, you then call addLiquidityToJob(address,uint) specifying the job in the address and the amount in the uint. This will then transfer your LP tokens to the contract and keep them in escrow. You can remove your liquidity at any time by calling unbondLiquidityFromJob(), this will allow you to remove the liquidity after 14 days by calling removeLiquidityFromJob()
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