feat(toolkit): allow dry running data requests without an SLA

fix #2365

toolkit/src/cli/data_requests.rs

@@ -27,7 +27,7 @@ pub(crate) fn decode_from_args(
             .map_err(Error::SolidityFileCantRead)?;
 
         let pb_bytes = extract_pb_bytes_from_solidity(&contents)?;
-        witnet_toolkit::data_requests::decode_from_pb_bytes(&pb_bytes)
+        witnet_toolkit::data_requests::decode_dro_from_pb_bytes(&pb_bytes)
     } else {
         Err(Error::DataRequestNoBytes)
     }

toolkit/src/data_requests.rs

@@ -11,17 +11,32 @@ use crate::errors::Error;
 pub fn decode_from_hex_string(hex: &str) -> Result<DataRequestOutput, Error> {
     let pb_bytes = hex::decode(hex).map_err(Error::DataRequestHexNotValid)?;
 
-    decode_from_pb_bytes(&pb_bytes)
+    decode_dro_from_pb_bytes(&pb_bytes).or(decode_rad_from_pb_bytes(&pb_bytes))
 }
 
-/// Decode a data request from its Protocol Buffers bytecode.
-pub fn decode_from_pb_bytes(pb_bytes: &[u8]) -> Result<DataRequestOutput, Error> {
+/// Decode a data request output from its Protocol Buffers bytecode.
+pub fn decode_dro_from_pb_bytes(pb_bytes: &[u8]) -> Result<DataRequestOutput, Error> {
     let request =
         DataRequestOutput::from_pb_bytes(pb_bytes).map_err(Error::DataRequestProtoBufNotValid)?;
 
     Ok(request)
 }
 
+/// Decode a RAD request from its Protocol Buffers bytecode.
+pub fn decode_rad_from_pb_bytes(pb_bytes: &[u8]) -> Result<DataRequestOutput, Error> {
+    let rad = RADRequest::from_pb_bytes(pb_bytes).map_err(Error::DataRequestProtoBufNotValid)?;
+    let request = DataRequestOutput {
+        data_request: rad,
+        witness_reward: 0,
+        witnesses: 0,
+        commit_and_reveal_fee: 0,
+        min_consensus_percentage: 0,
+        collateral: 0,
+    };
+
+    Ok(request)
+}
+
 /// Locally try a data request.
 ///
 /// By default, a full trace is provided, i.e.: all execution details including the partial results
@@ -41,3 +56,24 @@ pub fn try_data_request(
 
     Ok(report)
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn decode_dro_from_hex_string() {
+        let hex = "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";
+        let request = decode_from_hex_string(hex);
+
+        assert!(request.is_ok())
+    }
+
+    #[test]
+    fn decode_rad_from_hex_string() {
+        let hex = "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";
+        let request = decode_from_hex_string(hex);
+
+        assert!(request.is_ok())
+    }
+}