diff options
Diffstat (limited to 'ethutil/big.go')
| -rw-r--r-- | ethutil/big.go | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/ethutil/big.go b/ethutil/big.go index d8f54ad10..e23d8f659 100644 --- a/ethutil/big.go +++ b/ethutil/big.go @@ -39,12 +39,14 @@ func BigD(data []byte) *big.Int { // "cast" the big int to a 256 big int (i.e., limit to) var tt256 = new(big.Int).Sub(new(big.Int).Lsh(big.NewInt(1), 256), big.NewInt(1)) -func To256(x *big.Int) { +func To256(x *big.Int) *big.Int { x.And(x, tt256) if x.Cmp(new(big.Int)) < 0 { x.SetInt64(0) } + + return x } // Big to bytes |