Add Transaction::fee getter

stevenroose · stevenroose · commit 413c3c7f8602 · 2020-03-30T17:27:46.000+01:00
diff --git a/src/transaction.rs b/src/transaction.rs
@@ -612,6 +612,12 @@ impl Transaction {
         self.consensus_encode(&mut enc).unwrap();
         bitcoin::Wtxid::from_engine(enc)
     }
+
+    /// Get the total transaction fee.
+    pub fn fee(&self) -> u64 {
+        // All values should be explicit, so we don't have to assert that here.
+        self.output.iter().filter(|o| o.is_fee()).filter_map(|o| o.value.explicit()).sum()
+    }
 }
 
 //TODO(stevenroose) remove this, it's incorrect

Original file line number	Diff line number	Diff line change
`@@ -612,6 +612,12 @@ impl Transaction {`
`612`	`612`	`self.consensus_encode(&mut enc).unwrap();`
`613`	`613`	`bitcoin::Wtxid::from_engine(enc)`
`614`	`614`	`}`
	`615`	`+`
	`616`	`+ /// Get the total transaction fee.`
	`617`	`+ pub fn fee(&self) -> u64 {`
	`618`	`+ // All values should be explicit, so we don't have to assert that here.`
	`619`	`+ self.output.iter().filter(\|o\| o.is_fee()).filter_map(\|o\| o.value.explicit()).sum()`
	`620`	`+ }`
`615`	`621`	`}`
`616`	`622`
`617`	`623`	`//TODO(stevenroose) remove this, it's incorrect`