     fee: asset
     amount: asset
     to: protocol_id_type "account"
-    blinding_factor: sha256
+    blinding_factor: bytes 32
     inputs: array blind_input
 )
 

    fee: asset
    amount: asset
    from: protocol_id_type "account"
    blinding_factor: sha256
    outputs: array blind_output
)


When updating generated code
Replace:  operation = static_variant [
with:     operation.st_operations = [

replace: sha256 
with: bytes 32

Delete:
operation  = new Serializer( 
