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authorobscuren <geffobscura@gmail.com>2014-07-22 02:38:43 +0800
committerobscuren <geffobscura@gmail.com>2014-07-22 02:38:43 +0800
commit20ee1ae65e57ef7d60404277162c84c572c6bb10 (patch)
treedbb43cc384068a98650b035d9f8a157e9de263f9 /ethutil
parenteab0b2a90a3e33d0be4d09cbb99d193ba2219844 (diff)
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Refactored CALLDATALOAD to use big int
* Added BigMin
Diffstat (limited to 'ethutil')
-rw-r--r--ethutil/big.go19
-rw-r--r--ethutil/common.go12
2 files changed, 18 insertions, 13 deletions
diff --git a/ethutil/big.go b/ethutil/big.go
index 7af6f7414..ec263b818 100644
--- a/ethutil/big.go
+++ b/ethutil/big.go
@@ -4,14 +4,6 @@ import (
"math/big"
)
-var BigInt0 *big.Int = big.NewInt(0)
-
-// True
-var BigTrue *big.Int = big.NewInt(1)
-
-// False
-var BigFalse *big.Int = big.NewInt(0)
-
// Big pow
//
// Returns the power of two big integers
@@ -73,3 +65,14 @@ func BigMax(x, y *big.Int) *big.Int {
return x
}
+
+// Big min
+//
+// Returns the minimum size big integer
+func BigMin(x, y *big.Int) *big.Int {
+ if x.Cmp(y) >= 0 {
+ return y
+ }
+
+ return x
+}
diff --git a/ethutil/common.go b/ethutil/common.go
index 2fd031a20..cbd94e7ad 100644
--- a/ethutil/common.go
+++ b/ethutil/common.go
@@ -58,9 +58,11 @@ func CurrencyToString(num *big.Int) string {
// Common big integers often used
var (
- Big1 = big.NewInt(1)
- Big2 = big.NewInt(2)
- Big0 = big.NewInt(0)
- Big32 = big.NewInt(32)
- Big256 = big.NewInt(0xff)
+ Big1 = big.NewInt(1)
+ Big2 = big.NewInt(2)
+ Big0 = big.NewInt(0)
+ BigTrue = Big1
+ BigFalse = Big0
+ Big32 = big.NewInt(32)
+ Big256 = big.NewInt(0xff)
)