Max mint formula has been changed

README.md

@@ -590,7 +590,7 @@ Maximum number of **shares** for minting
 |------|------|-------------|---------|
 | ltvPercent | `bigint` | **Require** | [getBaseData](#sdkostokengetbasedata) |
 | stakedAssets | `bigint` | **Require** | [getStakeBalance](#sdkvaultgetstakebalance) |
-| mintedShares | `bigint` | **Require** | [getPosition](#sdkostokengetposition) |
+| mintedAssets | `bigint` | **Require** | [getPosition](#sdkostokengetposition) |
 
 #### Returns:
 
@@ -602,7 +602,7 @@ type Output = bigint
 ```ts
 await sdk.osToken.getMaxMint({
   ltvPercent: 0n,
-  mintedShares: 0n,
+  mintedAssets: 0n,
   stakedAssets: 0n,
 })
 ```

src/methods/osToken/requests/getMaxMint.spec.ts

@@ -18,7 +18,7 @@ describe('getMaxMint', () => {
   it('should return 0n if ltvPercent is <= 0', async () => {
     const result = await getMaxMint({
       ltvPercent: 0n,
-      mintedShares: 100n,
+      mintedAssets: 100n,
       stakedAssets: 100n,
       contracts: mockContracts,
     })
@@ -29,7 +29,7 @@ describe('getMaxMint', () => {
   it('should return 0n if stakedAssets is <= 0', async () => {
     const result = await getMaxMint({
       ltvPercent: 5000n,
-      mintedShares: 100n,
+      mintedAssets: 100n,
       stakedAssets: 0n,
       contracts: mockContracts,
     })
@@ -39,16 +39,17 @@ describe('getMaxMint', () => {
 
   it('should return max mint shares based on calculations', async () => {
     mockContracts.tokens.mintToken.avgRewardPerSecond.mockResolvedValue(2n)
-    mockContracts.tokens.mintToken.convertToShares.mockResolvedValue(1500n)
 
-    const result = await getMaxMint({
-      ltvPercent: 5000n,
-      mintedShares: 1000n,
-      stakedAssets: 2000n,
+    await getMaxMint({
+      ltvPercent: 9000n,
+      mintedAssets: 2001547526745735889n,
+      stakedAssets: 15001277163464317262n,
       contracts: mockContracts,
     })
 
-    expect(result).toEqual(500n)
+    const result = mockContracts.tokens.mintToken.convertToShares.mock.calls[0][0]
+
+    expect(result).toEqual(11499601920372052438n)
   })
 
   it('should return 0n if max mint shares is less than or equal to minted shares', async () => {
@@ -57,7 +58,7 @@ describe('getMaxMint', () => {
 
     const result = await getMaxMint({
       ltvPercent: 5000n,
-      mintedShares: 1000n,
+      mintedAssets: 1000n,
       stakedAssets: 2000n,
       contracts: mockContracts,
     })

src/methods/osToken/requests/getMaxMint.ts

@@ -1,38 +1,32 @@
-import { BigDecimal, validateArgs } from '../../../utils'
+import { constants, validateArgs } from '../../../utils'
 
 
 type GetMaxMintInput = {
   ltvPercent: bigint
-  mintedShares: bigint
+  mintedAssets: bigint
   stakedAssets: bigint
   contracts: StakeWise.Contracts
 }
 
 const getMaxMint = async (values: GetMaxMintInput) => {
-  const { contracts, ltvPercent, mintedShares, stakedAssets } = values
+  const { contracts, ltvPercent, mintedAssets, stakedAssets } = values
 
-  validateArgs.bigint({ ltvPercent, mintedShares, stakedAssets })
+  validateArgs.bigint({ ltvPercent, mintedAssets, stakedAssets })
 
   if (ltvPercent <= 0 || stakedAssets <= 0) {
     return 0n
   }
 
-  const rewardPerSecond = await contracts.tokens.mintToken.avgRewardPerSecond()
-  const avgRewardPerHour = rewardPerSecond * 60n * 60n
+  const avgRewardPerSecond = await contracts.tokens.mintToken.avgRewardPerSecond()
 
-  const result = new BigDecimal(stakedAssets)
-    .multiply(ltvPercent)
-    .divide(10_000)
-    .minus(avgRewardPerHour)
-    .decimals(0)
-    .toString()
+  const maxMintedAssets = stakedAssets * ltvPercent / 10_000n
+  const maxMintedAssetsHourReward = (maxMintedAssets * avgRewardPerSecond * 3600n) / constants.blockchain.amount1
+  const canMintAssets = maxMintedAssets - maxMintedAssetsHourReward - mintedAssets
 
-  let maxMintShares = await contracts.tokens.mintToken.convertToShares(result)
+  if (canMintAssets > 0) {
+    const maxMintShares2 = await contracts.tokens.mintToken.convertToShares(canMintAssets)
 
-  if (maxMintShares > mintedShares) {
-    maxMintShares = maxMintShares - mintedShares
-
-    return maxMintShares
+    return maxMintShares2
   }
 
   return 0n