aboutsummaryrefslogtreecommitdiffstats
path: root/ethutil
diff options
context:
space:
mode:
authorobscuren <geffobscura@gmail.com>2014-12-02 18:52:56 +0800
committerobscuren <geffobscura@gmail.com>2014-12-02 18:52:56 +0800
commit64f35ba8d1f31d6821a0a1bf946c71396a996f30 (patch)
tree375a081536c7c0b329a3b0c2e812ff05f81dd64c /ethutil
parent616066a598933df7ef126186eb9c647094f665ca (diff)
parent99481a245adc2c4814ab6b38d94d63114f7bbb15 (diff)
downloadgo-tangerine-64f35ba8d1f31d6821a0a1bf946c71396a996f30.tar
go-tangerine-64f35ba8d1f31d6821a0a1bf946c71396a996f30.tar.gz
go-tangerine-64f35ba8d1f31d6821a0a1bf946c71396a996f30.tar.bz2
go-tangerine-64f35ba8d1f31d6821a0a1bf946c71396a996f30.tar.lz
go-tangerine-64f35ba8d1f31d6821a0a1bf946c71396a996f30.tar.xz
go-tangerine-64f35ba8d1f31d6821a0a1bf946c71396a996f30.tar.zst
go-tangerine-64f35ba8d1f31d6821a0a1bf946c71396a996f30.zip
merge errors fixed
Diffstat (limited to 'ethutil')
-rw-r--r--ethutil/big.go10
1 files changed, 10 insertions, 0 deletions
diff --git a/ethutil/big.go b/ethutil/big.go
index 07d1386e1..2ff1c72d8 100644
--- a/ethutil/big.go
+++ b/ethutil/big.go
@@ -62,6 +62,16 @@ func S256(x *big.Int) *big.Int {
}
}
+func FirstBitSet(v *big.Int) int {
+ for i := 0; i < v.BitLen(); i++ {
+ if v.Bit(i) > 0 {
+ return i
+ }
+ }
+
+ return v.BitLen()
+}
+
// Big to bytes
//
// Returns the bytes of a big integer with the size specified by **base**