(Lianja) Egypt ITIDA Generate eReceipt UUID

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Demonstrates how to generate the eReceipt UUID for Egypt ITIDA.

Note: This example requires Chilkat v9.5.0.92 or greater.

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// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// Note: This example requires Chilkat v9.5.0.92 or greater.
// (In v9.5.0.92, the "itida" encoding was added to StringBuilder's Encode method.)
loSb = createobject("CkStringBuilder")

// Load the eReceipt JSON into a StringBuilder object.
llSuccess = loSb.LoadFile("qa_data/itida/EReceipt_ex.json","utf-8")
if (llSuccess = .F.) then
    ? "Failed to load input file."
    release loSb
    return
endif

// Convert the contents of sb to the ITIDA canonical form.
// Always pass utf-8 for the 2nd arg.
loSb.Encode("itida","utf-8")

// Get the lowercase hex encoded SHA256 hash of the canonicalized JSON
// (always use utf-8)
lcUuid = loSb.GetHash("sha256","hex_lower","utf-8")
? "eInvoicing UUID = " + lcUuid


release loSb