Refactoring and added documentation comments

1 files changed, 9 insertions, 3 deletions

diff --git a/ethutil/common.go b/ethutil/common.go
index d0ee7b538..983ea5d1b 100644
--- a/ethutil/common.go
+++ b/ethutil/common.go
@@ -5,16 +5,20 @@ import (
 	"math/big"
 )
 
+// The different number of units
 var (
 	Ether  = BigPow(10, 18)
 	Finney = BigPow(10, 15)
 	Szabo  = BigPow(10, 12)
-	Vito   = BigPow(10, 9)
+	Vita   = BigPow(10, 9)
 	Turing = BigPow(10, 6)
 	Eins   = BigPow(10, 3)
 	Wei    = big.NewInt(1)
 )
 
+// Currency to string
+//
+// Returns a string representing a human readable format
 func CurrencyToString(num *big.Int) string {
 	switch {
 	case num.Cmp(Ether) >= 0:
@@ -23,8 +27,8 @@ func CurrencyToString(num *big.Int) string {
 		return fmt.Sprintf("%v Finney", new(big.Int).Div(num, Finney))
 	case num.Cmp(Szabo) >= 0:
 		return fmt.Sprintf("%v Szabo", new(big.Int).Div(num, Szabo))
-	case num.Cmp(Vito) >= 0:
-		return fmt.Sprintf("%v Vito", new(big.Int).Div(num, Vito))
+	case num.Cmp(Vita) >= 0:
+		return fmt.Sprintf("%v Vita", new(big.Int).Div(num, Vita))
 	case num.Cmp(Turing) >= 0:
 		return fmt.Sprintf("%v Turing", new(big.Int).Div(num, Turing))
 	case num.Cmp(Eins) >= 0:
@@ -34,6 +38,7 @@ func CurrencyToString(num *big.Int) string {
 	return fmt.Sprintf("%v Wei", num)
 }
 
+// Common big integers often used
 var (
 	Big1   = big.NewInt(1)
 	Big2   = big.NewInt(1)
@@ -42,6 +47,7 @@ var (
 	Big256 = big.NewInt(0xff)
 )
 
+// Creates an ethereum address given the bytes and the nonce
 func CreateAddress(b []byte, nonce *big.Int) []byte {
 	addrBytes := append(b, nonce.Bytes()...)