Content - RPC - Add DIP2 fields to raw tx

- Applies to decoderawtransaction and getrawtransaction
 - Related to dashpay/dash#2239

_includes/helpers/vars.md

@@ -157,6 +157,11 @@ NOT IN DASH
   p: "Required<br>(exactly 1)"
   d: "The transaction format version number"
 
+- n: "{{DEPTH}} →<br>`type`"
+  t: "number (int)"
+  p: "Required<br>(exactly 1)"
+  d: "*Added in Dash Core 0.12.4.0*<br><br>The transaction format type"
+
 - n: "{{DEPTH}} →<br>`locktime`"
   t: "number (int)"
   p: "Required<br>(exactly 1)"
@@ -295,6 +300,15 @@ NOT IN DASH
   p: "Required<br>(1 or more)"
   d: "A P2PKH or P2SH address"
 
+- n: "{{DEPTH}} →<br>`extraPayloadSize`"
+  t: "number (int)"
+  p: "Optional<br>(0 or 1)"
+  d: "*Added in Dash Core 0.12.4.0*<br><br>Size of the DIP2 extra payload. Only present if it's a DIP2 special transaction"
+
+- n: "{{DEPTH}} →<br>`extraPayload`"
+  t: "string (hex)"
+  p: "Optional<br>(0 or 1)"
+  d: "*Added in Dash Core 0.12.4.0*<br><br>Hex encoded DIP2 extra payload data. Only present if it's a DIP2 special transaction"
 {% endcapture %}
 
 {% assign INCLUDE_WALLET_UNLOCKED="If the wallet has been encrypted either through the GUI or with the `encryptwallet` RPC, it must first be unlocked with the `walletpassphrase` RPC" %}