Functions/Scripts/Find-KEZeroProfitPrice.ps1
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function Find-KEZeroProfitPrice { <# .SYNOPSIS Finds the zero-profit sell price for a given cryptocurrency on Kraken exchange. .DESCRIPTION The Find-ZeroProfitPriceKraken function calculates and returns the zero-profit sell price for a given cryptocurrency on the Kraken exchange. It uses the Find-ProfitKraken function to calculate the profit at each sell price, and increases the sell price in a given step range until it reaches the zero-profit sell price. .PARAMETER Crypto Specifies the cryptocurrency to find the zero-profit sell price for. Default is ETH. .PARAMETER Currency Specifies the currency to find the zero-profit sell price in. Default is USD. .PARAMETER Amount Specifies the amount of cryptocurrency to find the zero-profit sell price for. Default is 1. .PARAMETER BuyFee Specifies the buy fee for the cryptocurrency. Default is 0.0026. .PARAMETER SellFee Specifies the sell fee for the cryptocurrency. Default is 0.0026. .PARAMETER StepRange Specifies the step range to increase the sell price by for each iteration. Default is 0.001. .PARAMETER CurrentCryptPrice Specifies the current price of the cryptocurrency. If not specified, the function will get the current price from the Kraken API. .EXAMPLE Find-ZeroProfitPriceKraken -Crypto ETH -Currency USD -Amount 2 -BuyFee 0.0026 -SellFee 0.0026 -StepRange 0.001 -Verbose Calculates the zero-profit sell price for 2 ETH in USD with 0.26% buy and sell fees, increasing the sell price by 0.1% for each iteration, and displays verbose output. .INPUTS None. .OUTPUTS Returns the zero-profit sell price for the specified cryptocurrency and currency. .NOTES The KrakenExchange PowerShell module is not affiliated with or endorsed by Kraken exchange. Author: wnapierala [@] hotmail.com, chatGPT Date: 03.2023 #> [CmdletBinding()] param( [Parameter(ValueFromPipeline = $true)] [ValidatePattern("^[A-Za-z0-9]{1,10}(\.[A-Za-z0-9]{1,10})?$")] [string]$Crypto = "ETH", [Parameter(ValueFromPipeline = $true)] [ValidatePattern("^[A-Za-z0-9]{1,10}(\.[A-Za-z0-9]{1,10})?$")] [string]$Currency = "USD", [Parameter(Mandatory = $false)] [ValidateRange(0, [double]::MaxValue)] [double]$Amount = 1, [Parameter()] [ValidateRange(0, 0.0026)] [double]$BuyFee = 0.0026, [Parameter()] [ValidateRange(0, 0.0026)] [double]$SellFee = 0.0026, [Parameter()] [ValidateRange(0, [double]::MaxValue)] [double]$StepRange = 0.001, [Parameter()] [Alias("BuyPrice", "Price")] [ValidateRange(0, [double]::MaxValue)] [double]$CurrentCryptPrice = (Invoke-RestMethod -Method GET -Uri "https://api.kraken.com/0/public/Ticker?pair=${Crypto}${Currency}").result."X${Crypto}Z${Currency}".'c'[0] ) if (-not(Test-Connection api.kraken.com -Count 1 -ErrorAction SilentlyContinue)) { Write-Error "Unable to connect to api.kraken.com. Please check your internet connection and try again." return } <# if (-not(Get-Command Find-ProfitKraken -ErrorAction SilentlyContinue)) { # Import Find-ProfitKraken function . $PSScriptRoot\Find-ProfitKraken.ps1 } #> $Crypto = $Crypto.ToUpper() $Currency = $Currency.ToUpper() $newSellPrice = $CurrentCryptPrice # Loop until zero-profit price is found while ($true) { # Calculate profit and target profit $profit = Find-KEProfit -Crypto $Crypto -Amount $Amount -BuyFee $BuyFee -SellFee $SellFee -SellPrice $newSellPrice -buyprice $CurrentCryptPrice # Check if accuracy condition is met if ($profit.profitNet -gt 0) { Write-Verbose "Crypto: ${crypto}, buy price: ${CurrentCryptPrice} USD, zero profit price: $($newSellPrice.ToString('N2')) USD, profit: $($profit.profitNet)" return $newSellPrice } # Update price range $newSellPrice += $StepRange } } |