Coinbase

1.0.2

Scripts/Get-CoinbaseCurrencyConversion.ps1

                                
Function Get-CoinbaseCurrencyConversion {

    <#

    .SYNOPSIS

    Converts funds from currency to currency.

    .DESCRIPTION

    Converts funds from currency to currency.

    .PARAMETER From

    Currency to be converted from

    .PARAMETER To

    Currency to be converted to

    .EXAMPLE

    Get-CoinbaseCurrencyConversion -From BTC -To USD

    .NOTES

    .LINK

    #>

    [CmdletBinding ()]

    Param ()

    DynamicParam {

        $ParameterNameFromCurrency = 'From'

        $AttributeCollection = New-Object System.Collections.ObjectModel.Collection[System.Attribute]

        $ParameterAttribute = New-Object System.Management.Automation.ParameterAttribute

        $ParameterAttribute.Mandatory = $True

        $ParameterAttribute.HelpMessage = 'Enter from currency'

        $ParameterAttribute.Position = 0

        $AttributeCollection.Add($ParameterAttribute)

        $RuntimeParameterDictionary = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary

        $ArraySet = Get-Content -Path ("$env:ALLUSERSPROFILE\Coinbase\Currencies.txt")

        $ValidateSetAttribute = New-Object System.Management.Automation.ValidateSetAttribute($ArraySet)

        $AttributeCollection.Add($ValidateSetAttribute)

        $RuntimeParameter = New-Object System.Management.Automation.RuntimeDefinedParameter($ParameterNameFromCurrency, [String], $AttributeCollection)

        $RuntimeParameterDictionary.Add($ParameterNameFromCurrency, $RuntimeParameter)

        $ParameterNameToCurrency = 'To'

        $AttributeCollection = New-Object System.Collections.ObjectModel.Collection[System.Attribute]

        $ParameterAttribute = New-Object System.Management.Automation.ParameterAttribute

        $ParameterAttribute.Mandatory = $True

        $ParameterAttribute.HelpMessage = 'Enter to currency'

        $ParameterAttribute.Position = 1

        $AttributeCollection.Add($ParameterAttribute)

        $ArraySet = Get-Content -Path ("$env:ALLUSERSPROFILE\Coinbase\Currencies.txt")

        $ValidateSetAttribute = New-Object System.Management.Automation.ValidateSetAttribute($ArraySet)

        $AttributeCollection.Add($ValidateSetAttribute)

        $RuntimeParameter = New-Object System.Management.Automation.RuntimeDefinedParameter($ParameterNameToCurrency, [String], $AttributeCollection)

        $RuntimeParameterDictionary.Add($ParameterNameToCurrency, $RuntimeParameter)

        Return $RuntimeParameterDictionary

    }

    BEGIN {

        $FromCurrency = ($PSBoundParameters[$ParameterNameFromCurrency]).Trim()

        $ToCurrency = ($PSBoundParameters[$ParameterNameToCurrency]).Trim()

        Function Show-Output ($Values) {

            [PSCustomObject]@{

                From = $FromCurrency.ToUpper()

                To = $ToCurrency.ToUpper()

                Rate = $Values

                Status = $Status

            }

        }

    }

    PROCESS {

        Try {

            $Headers = New-Object 'System.Collections.Generic.Dictionary[[String],[String]]'

            $Headers.Add('Content-Type', 'application/json')

            $Response = Invoke-RestMethod "https://api.coinbase.com/v2/exchange-rates?currency=$FromCurrency" -Method 'GET' -Headers $Headers

            $Status = 'Ok'

            Show-Output ($Response.Data.Rates.$ToCurrency)

        }

        Catch {

            $Status = $PSItem.Exception.Message

            Show-Output ('')

        }

    }

    END {}

}