Fixed a bad unwrap

Author: simzzz

primitives/src/targeting/eval.rs

@@ -895,8 +895,11 @@ fn eval(input: &Input, output: &mut Output, rule: &Rule) -> Result<Option<Value>
                 .try_bignum()?;
             let deposit_asset = &input.global.channel.deposit_asset;
 
-            let divisor = DEPOSIT_ASSETS_MAP.get(deposit_asset).unwrap();
-            Some(Value::BigNum(amount.div(divisor)))
+            let divisor = match DEPOSIT_ASSETS_MAP.get(deposit_asset) {
+                Some(d) => Ok(d),
+                None => Err(Error::TypeError),
+            };
+            Some(Value::BigNum(amount.div(divisor?)))
         }
         Function::Do(first_rule) => eval(input, output, first_rule)?,
         Function::Set(key, rule) => {

primitives/src/targeting/eval_test.rs

@@ -1306,7 +1306,7 @@ mod string_and_array {
     }
 
     #[test]
-    fn test_get_dai_price_in_usd_eval() {
+    fn test_get_price_in_usd_eval() {
         let mut input = get_default_input();
 
         let mut output = Output {
@@ -1323,11 +1323,5 @@ mod string_and_array {
             ))));
             assert_eq!(Ok(amount_usd), rule.eval(&input, &mut output));
         }
-        let amount_dai = BigNum::from_str("100000000000000000000").expect("Should create BigNum"); // 100 DAI
-        let amount_usd = Some(Value::BigNum(BigNum::from(100)));
-        let rule = Rule::Function(Function::new_get_price_in_usd(Rule::Value(Value::BigNum(
-            amount_dai,
-        ))));
-        assert_eq!(Ok(amount_usd), rule.eval(&input, &mut output));
     }
 }