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author | obscuren <geffobscura@gmail.com> | 2014-02-28 19:21:12 +0800 |
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committer | obscuren <geffobscura@gmail.com> | 2014-02-28 19:21:12 +0800 |
commit | 839bd73fbb525f6c51e4205ce6519b6154cda2f0 (patch) | |
tree | 8bbb80d53425cfdb0391798eea77ff3af09ffe78 /ethutil/big.go | |
parent | 30ee32a7254658878b35c6a89e463427f99bd1b4 (diff) | |
parent | 3f7ec1a83fe13dc934d92a405ff01b0be6c04ac0 (diff) | |
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Merge branch 'release/0.3.0'
Diffstat (limited to 'ethutil/big.go')
-rw-r--r-- | ethutil/big.go | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/ethutil/big.go b/ethutil/big.go index 979078bef..1a3902fa3 100644 --- a/ethutil/big.go +++ b/ethutil/big.go @@ -35,3 +35,18 @@ func BigD(data []byte) *big.Int { return n } + +func BigToBytes(num *big.Int, base int) []byte { + ret := make([]byte, base/8) + + return append(ret[:len(ret)-len(num.Bytes())], num.Bytes()...) +} + +// Functions like the build in "copy" function +// but works on big integers +func BigCopy(src *big.Int) (ret *big.Int) { + ret = new(big.Int) + ret.Add(ret, src) + + return +} |