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-rw-r--r--ethutil/big.go37
1 files changed, 37 insertions, 0 deletions
diff --git a/ethutil/big.go b/ethutil/big.go
new file mode 100644
index 000000000..979078bef
--- /dev/null
+++ b/ethutil/big.go
@@ -0,0 +1,37 @@
+package ethutil
+
+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)
+
+// Returns the power of two integers
+func BigPow(a, b int) *big.Int {
+ c := new(big.Int)
+ c.Exp(big.NewInt(int64(a)), big.NewInt(int64(b)), big.NewInt(0))
+
+ return c
+}
+
+// Like big.NewInt(uint64); this takes a string instead.
+func Big(num string) *big.Int {
+ n := new(big.Int)
+ n.SetString(num, 0)
+
+ return n
+}
+
+// Like big.NewInt(uint64); this takes a byte buffer instead.
+func BigD(data []byte) *big.Int {
+ n := new(big.Int)
+ n.SetBytes(data)
+
+ return n
+}