CoinMarketCap.psm1
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function Get-Coin { <# .SYNOPSIS Retrieve one or multiple Cryprocurrencies information .DESCRIPTION Retrieve one or multiple Cryprocurrencies information .PARAMETER CoinID Specify the Cryptocurrency you want to retrieve .PARAMETER Convert Show the value in a fiat currency .EXAMPLE Get-Coin .EXAMPLE Get-Coin -id bitcoin .EXAMPLE Get-Coin -convert EUR .EXAMPLE Get-Coin -id bitcoin -convert EUR .EXAMPLE Get-Coin -id btc .EXAMPLE Get-Coin -id btc -convert eur .EXAMPLE Coin btc .NOTES https://github.com/lazywinadmin/CoinMarketCap #> [CmdletBinding()] PARAM( $CoinId, [Parameter()] [ValidateSet("AUD", "BRL", "CAD", "CHF", "CLP", "CNY", "CZK", "DKK", "EUR", "GBP", "HKD", "HUF", "IDR", "ILS", "INR", "JPY", "KRW", "MXN", "MYR", "NOK", "NZD", "PHP", "PKR", "PLN", "RUB", "SEK", "SGD", "THB", "TRY", "TWD", "ZAR")] $Convert ) TRY { $FunctionName = $MyInvocation.MyCommand Write-Verbose -Message "[$FunctionName] Build Splatting" $Splat = @{ Uri = 'https://api.coinmarketcap.com/v1/ticker' } if ($CoinID) { if ($Convert) { Write-Verbose -Message "[$FunctionName] Coin '$CoinID' with Currency '$Convert'" $Splat.Uri = "https://api.coinmarketcap.com/v1/ticker/$CoinID/?convert=$Convert" Write-Verbose -Message "[$FunctionName] Uri '$($Splat.Uri)'" } else { Write-Verbose -Message "[$FunctionName] Coin '$CoinID'" $Splat.Uri = "https://api.coinmarketcap.com/v1/ticker/$CoinID/" Write-Verbose -Message "[$FunctionName] Uri '$($Splat.Uri)'" } } elseif ($Convert -and -not $CoinID) { Write-Verbose -Message "[$FunctionName] Currency '$Convert'" $Splat.Uri = "https://api.coinmarketcap.com/v1/ticker/?convert=$Convert" Write-Verbose -Message "[$FunctionName] Uri '$($Splat.Uri)'" } try{ Write-Verbose -Message "[$FunctionName] Querying API..." [pscustomobject](invoke-restmethod @splat -ErrorAction Continue -ErrorVariable Result) } catch{ if ($_ -match 'id not found'){ Write-Verbose -Message "[$FunctionName] did not find the CoinID '$CoinId', looking up for Symbol '$CoinId'..." if($Convert) { Get-Coin -Convert $Convert | Where-Object {$_.Symbol -eq $CoinId} } else {Get-Coin| Where-Object {$_.Symbol -eq $CoinId}} } else {throw $_} } } CATCH { $PSCmdlet.ThrowTerminatingError($_) } } function Get-CoinID { <# .SYNOPSIS Retrieve cryptocurrencies ID, Name, Symbol and Rank .DESCRIPTION Retrieve cryptocurrencies ID, Name, Symbol and Rank .EXAMPLE Get-CoinID .NOTES https://github.com/lazywinadmin/CoinMarketCap #> [CmdletBinding()] PARAM() TRY { $FunctionName = $MyInvocation.MyCommand Write-Verbose -Message "[$FunctionName] Retrieving id, name, symbol and rank" Get-Coin |Select-Object -Property id, name, symbol, rank } CATCH { $PSCmdlet.ThrowTerminatingError($_) } } function Get-CoinGlobal { <# .SYNOPSIS Retrieve cryptocurrencies ID, Name, Symbol and Rank .DESCRIPTION Retrieve cryptocurrencies ID, Name, Symbol and Rank .EXAMPLE Get-CoinGlobal .NOTES https://github.com/lazywinadmin/CoinMarketCap #> [CmdletBinding()] PARAM( [Parameter()] [ValidateSet("AUD", "BRL", "CAD", "CHF", "CLP", "CNY", "CZK", "DKK", "EUR", "GBP", "HKD", "HUF", "IDR", "ILS", "INR", "JPY", "KRW", "MXN", "MYR", "NOK", "NZD", "PHP", "PKR", "PLN", "RUB", "SEK", "SGD", "THB", "TRY", "TWD", "ZAR")] $Convert ) TRY { $FunctionName = $MyInvocation.MyCommand Write-Verbose -Message "[$FunctionName] Build Splatting" $Splat = @{ Uri = 'https://api.coinmarketcap.com/v1/global/' } if ($Convert) { Write-Verbose -Message "[$FunctionName] Currency '$Convert'" $Splat.Uri = "https://api.coinmarketcap.com/v1/global/?convert=$Convert" Write-Verbose -Message "[$FunctionName] Uri '$($Splat.Uri)'" } Write-Verbose -Message "[$FunctionName] Querying API..." [pscustomobject](invoke-restmethod @splat) } CATCH { $PSCmdlet.ThrowTerminatingError($_) } } function Get-CoinHistory { <# .SYNOPSIS Retrieve history information on .DESCRIPTION Retrieve one or multiple Cryprocurrencies information .PARAMETER CoinID Specify the Cryptocurrency you want to retrieve. Default is Bitcoin .PARAMETER Begin Specify the beginning of the range .PARAMETER End Specify the end of the range .EXAMPLE Get-CoinHistory -Begin '20170101' -end '20171101' .EXAMPLE Get-CoinHistory -Begin '20170102' -End '20171001' -CoinId ethereum .NOTES https://github.com/lazywinadmin/CoinMarketCap #> [CmdletBinding()] PARAM( [Alias('Id')] $CoinId = 'bitcoin', [parameter(Mandatory = $true)] $Begin, [parameter(Mandatory = $true)] $End ) TRY { $FunctionName = $MyInvocation.MyCommand Write-Verbose -Message "[$FunctionName] Build Splatting" $Splat = @{ Uri = "https://coinmarketcap.com/currencies/$Coinid/historical-data/?start=$Begin&end=$End" } # Helper function # Source: Lee Holmes - http://www.leeholmes.com/blog/2015/01/05/extracting-tables-from-powershells-invoke-webrequest/ function Get-HTMLTable { param( [Parameter(Mandatory = $true)] [Microsoft.PowerShell.Commands.HtmlWebResponseObject] $WebRequest, [Parameter(Mandatory = $true)] [int] $TableNumber) ## Extract the tables out of the web request $tables = @($WebRequest.ParsedHtml.getElementsByTagName("TABLE")) $table = $tables[$TableNumber] $titles = @() $rows = @($table.Rows) ## Go through all of the rows in the table foreach ($row in $rows) { $cells = @($row.Cells) ## If we've found a table header, remember its titles if ($cells[0].tagName -eq "TH") { $titles = @($cells | % { ("" + $_.InnerText).Trim() }) continue } ## If we haven't found any table headers, make up names "P1", "P2", etc. if (-not $titles) { $titles = @(1..($cells.Count + 2) | % { "P$_" }) } ## Now go through the cells in the the row. For each, try to find the ## title that represents that column and create a hashtable mapping those ## titles to content $resultObject = [Ordered] @{} for ($counter = 0; $counter -lt $cells.Count; $counter++) { $title = $titles[$counter] if (-not $title) { continue } $resultObject[$title] = ("" + $cells[$counter].InnerText).Trim() } ## And finally cast that hashtable to a PSCustomObject [PSCustomObject] $resultObject } } Write-Verbose -Message "[$FunctionName] Retrieving table..." $WebRequest = Invoke-WebRequest @Splat Get-HTMLTable -WebRequest $WebRequest -TableNumber 0 } CATCH { $PSCmdlet.ThrowTerminatingError($_) } } # Export only the functions using PowerShell standard verb-noun naming. # Be sure to list each exported functions in the FunctionsToExport field of the module manifest file. # This improves performance of command discovery in PowerShell. Export-ModuleMember -Function *-* |