Improve ltv percent logic (#193)

* improve ltv percent logic

* remove unused

Author: dfkadyr

src/methods/osToken/helpers/getBurnAmount.ts

@@ -1,4 +1,4 @@
-import { validateArgs, getValidLtvPercent } from '../../../utils'
+import { constants, validateArgs } from '../../../utils'
 import { wrapAbortPromise } from '../../../modules/gql-module'
 
 
@@ -23,9 +23,8 @@ const getBurnAmount = async (values: GetBurnAmountInput) => {
     return 0n
   }
 
-  const percent = await getValidLtvPercent({ vaultAddress, ltvPercent, contracts })
+  const stakedWithPercent = (stakedAssets - newStakedAssets) * ltvPercent / constants.blockchain.amount1
 
-  const stakedWithPercent = (stakedAssets - newStakedAssets) * percent / 10_000n
   const assetsToBurn = mintedAssets - stakedWithPercent
 
   if (assetsToBurn > 0) {

src/methods/osToken/requests/getMaxMint.ts

@@ -1,4 +1,4 @@
-import { constants, validateArgs, getValidLtvPercent } from '../../../utils'
+import { constants, validateArgs } from '../../../utils'
 import { wrapAbortPromise } from '../../../modules/gql-module'
 
 
@@ -20,12 +20,9 @@ const getMaxMint = async (values: GetMaxMintInput) => {
     return 0n
   }
 
-  const [ avgRewardPerSecond, percent ] = await Promise.all([
-    contracts.base.mintTokenController.avgRewardPerSecond(),
-    getValidLtvPercent({ vaultAddress, ltvPercent, contracts }),
-  ])
+  const avgRewardPerSecond = await contracts.base.mintTokenController.avgRewardPerSecond()
 
-  const maxMintedAssets = stakedAssets * percent / 10_000n
+  const maxMintedAssets = stakedAssets * ltvPercent / constants.blockchain.amount1
   const maxMintedAssetsHourReward = (maxMintedAssets * avgRewardPerSecond * 3600n) / constants.blockchain.amount1
   const canMintAssets = maxMintedAssets - maxMintedAssetsHourReward - mintedAssets
 

src/methods/vault/requests/getMaxWithdraw.ts

@@ -1,6 +1,6 @@
 import { parseEther } from 'ethers'
 
-import { constants, validateArgs, getValidLtvPercent } from '../../../utils'
+import { constants, validateArgs } from '../../../utils'
 import { wrapAbortPromise } from '../../../modules/gql-module'
 
 
@@ -28,14 +28,11 @@ const getMaxWithdraw = async (values: GetMaxWithdrawInput) => {
     return 0n
   }
 
-  const [ avgRewardPerSecond, percent ] = await Promise.all([
-    contracts.base.mintTokenController.avgRewardPerSecond(),
-    getValidLtvPercent({ vaultAddress, ltvPercent, contracts }),
-  ])
+  const avgRewardPerSecond = await contracts.base.mintTokenController.avgRewardPerSecond()
 
   const secondsInHour = 60n * 60n
   const gap = avgRewardPerSecond * secondsInHour * mintedAssets / constants.blockchain.amount1
-  const lockedAssets = (mintedAssets + gap) * 10_000n / percent
+  const lockedAssets = (mintedAssets + gap) * constants.blockchain.amount1 / ltvPercent
   const maxWithdrawAssets = stakedAssets - lockedAssets
 
   return maxWithdrawAssets > min ? maxWithdrawAssets : 0n

src/utils/getValidLtvPercent.ts

@@ -10,4 +10,3 @@ export { default as createProvider } from './createProvider'
 export { default as getVaultVersion } from './getVaultVersion'
 export { default as getNetworkTypes } from './getNetworkTypes'
 export { default as getVaultFactory } from './getVaultFactory'
-export { default as getValidLtvPercent } from './getValidLtvPercent'