Move Big* vars to big.go

common/big.go

@@ -2,6 +2,19 @@ package common
 
 import "math/big"
 
+// Common big integers often used
+var (
+	Big1     = big.NewInt(1)
+	Big2     = big.NewInt(2)
+	Big3     = big.NewInt(3)
+	Big0     = big.NewInt(0)
+	BigTrue  = Big1
+	BigFalse = Big0
+	Big32    = big.NewInt(32)
+	Big256   = big.NewInt(0xff)
+	Big257   = big.NewInt(257)
+)
+
 // Big pow
 //
 // Returns the power of two big integers

common/common.go

@@ -2,23 +2,9 @@ package common
 
 import (
 	"fmt"
-	"math/big"
 	"time"
 )
 
-// Common big integers often used
-var (
-	Big1     = big.NewInt(1)
-	Big2     = big.NewInt(2)
-	Big3     = big.NewInt(3)
-	Big0     = big.NewInt(0)
-	BigTrue  = Big1
-	BigFalse = Big0
-	Big32    = big.NewInt(32)
-	Big256   = big.NewInt(0xff)
-	Big257   = big.NewInt(257)
-)
-
 func Bench(pre string, cb func()) {
 	start := time.Now()
 	cb()