# Colinear Core Module: Leasing & Settlement 

## Provider Flow

Providers are required to stake a set amount of CLR (which is dictated by the protocol, and can be changed by governance proposals). This CLR will be slashed if they go offline.

```mermaid
flowchart

subgraph u[Users]
r([Render])
p([Provider])
end

subgraph Chain
st{{CLR Staking}}
a[(Auctions)]
end

r -- Create Auction --> a

p -- Check staking requirement --> st
st -- Allow provider to bid --> a
```

## Audit Flow

To determine whether a provider is online, validators will read from the chain state to see which leases are active, and ping every provider every *n* blocks (determined by governance). If a quorum of validators does not receive a response, they will continuously slash the staked amount of the provider and end all leases they are providing for. If a provider runs out of staked CLR to slash, they will be removed from all leases and lease funds will be returned to the user.

```mermaid
flowchart LR

pOff(["Provider (Offline)"])

subgraph Active Validator Set
v1((Validator))
v2((Validator))
v3((Validator))
end

subgraph Chain State
ll[(Active Lease List)]
b{{Bank Module}}
end

ll -- Read --> v1
ll -- Read --> v2
ll -- Read --> v3

v1 -- Ping --> pOff
v2 -- Ping --> pOff
v3 -- Ping --> pOff

v2 -- Slash User --> b
v3 -- Slash User --> b
```