# How Keys Price Calculate

Keys base price is $350, $50 first we get the LRSN price from the swap and convert it to USD using the LRS exchange price after this calculation Node Dao Contract calculates the spend LRSN amount then the contract calculates 20% of this LRSN amount then also calculate LRS after calculation, contract got LRSN from staking locker contact for add liquidity in LRSN/LRS pair after add liquidity if any extra LRS remaining the back to user wallet. now Node Dao Contract swaps the main $350 worth of LRS and converts to LRSN (also here any extra LRS, LRSN given back to user portal wallet) then the buying process is done

#### Now Lets Understand this via Example

For Example we pick random transaction of $50 key buy (<https://scan.larissa.network/tx/0x8637832d07f379f566e7f40d3a6ecfee7cae5d17401506e3310cd016892b458e>)\
\
At Transaction Time Price are:\
1 LRS = $0.0931\
1 LRSN = 59.3451 LRS\
1 LRSN = $5.52502881 `(59.3451 * 0.0931)`\
\
Transaction Send 775.71292929332 LRS to Node Dao Contract to Buy Key.

<figure><img src="/files/pjAH5JOGdwbo0RQykJhV" alt=""><figcaption></figcaption></figure>

Now See How Contract Handle this Amount

<figure><img src="/files/nneKIRA1jS4Kfap8w7Pt" alt=""><figcaption></figcaption></figure>

* The first transfer of 1.809945313208240085 LRSN from Skating Locker Contract to Node Dao Contract for add liquidity
* Second & Third transfer of (1.809945313208240085 LRSN, 107.415741748225217209 WLRS) its add liquidity in the LRSN/LRS Pair
* Forth & Fifth transfer is 537.279578573648402851 WLRS to LRSN swap and Node Dao Contract got 9.049726566041200425 LRSN after swap
* In the Token Minted Section First & Third transfer shows LRS to WLRS conversion and Second Token Minting transfer is LP tokens of Liquidity transfer
* Last Token Burnt transfer is Burning LP Tokens

Now Lets Calculate Everything:\
\
User Spend LRS is  `107.41574 + 537.27957 = 644.69531`

644.69531 LRS worth of  `644.69531 * 0.0931 = $60.021133361`

User Spend LRSN is `9.04972` (this LRSN Node Dao got from swap)

9.04972 LRSN worth of `5.52502881 * 9.04972 = $49.9999637224`

Spend LRS 644.69531 - 775.71292929332 transaction value = 131.0176 remaining LRS contract send back to user wallet

<figure><img src="/files/u3bszHttyFOcIK9WqXBI" alt=""><figcaption></figcaption></figure>

So final words are we not charge any extra amounts, all keys calculation are transparent.


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