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| author | obscuren <geffobscura@gmail.com> | 2014-10-10 23:00:06 +0800 |
|---|---|---|
| committer | obscuren <geffobscura@gmail.com> | 2014-10-10 23:00:06 +0800 |
| commit | e02c0fa8088943bc995d290e58a7226f4a0ece91 (patch) | |
| tree | 1bc2ac212b46d3892dd2720304efb2ab97e43528 /ethutil/big.go | |
| parent | 9b494c68698cbcaa4d8d6e0f2b964d29db815da5 (diff) | |
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Added generic big to 256 method. Implemented new iterator
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 |