getWithdrawalFee

import { getWithdrawalFee } from '@paxoslabs/amplify-sdk'

import { getWithdrawalFee, getVaultsByConfig, YieldType } from '@paxoslabs/amplify-sdk'

const [vault] = await getVaultsByConfig({ yieldType: YieldType.CORE, chainId: 1 })

const fee = await getWithdrawalFee({
  vaultName: vault.name,
  chainId: 1,
  assetAddress: '0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48',
  amount: '1.0',
  offerAsset: '0x1234...5678', // vault shares
  wantAsset: '0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48',
  receiver: '0x5678...abcd',
})

console.log(fee.feeAmount) // bigint
console.log(fee.feePercentage) // bigint

interface GetWithdrawalFeeParams {
  vaultName: string
  chainId: ChainId
  assetAddress: Address
  amount: string
  offerAsset: Address
  wantAsset: Address
  receiver: Address
}

interface WithdrawalFeeResult {
  /** Fee amount in share token units */
  feeAmount: bigint
  /** Fee percentage from the FeeModule */
  feePercentage: bigint
}

import { getWithdrawalFee, getVaultsByConfig, YieldType } from '@paxoslabs/amplify-sdk'
import { formatUnits } from 'viem'

const [vault] = await getVaultsByConfig({ yieldType: YieldType.CORE, chainId: 1 })

const fee = await getWithdrawalFee({
  vaultName: vault.name,
  chainId: 1,
  assetAddress: usdcAddress,
  amount: withdrawAmount,
  offerAsset: vaultShareAddress,
  wantAsset: usdcAddress,
  receiver: userAddress,
})

const feeFormatted = formatUnits(fee.feeAmount, 18)
console.log(`Withdrawal fee: ${feeFormatted} shares`)