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Merge pull request #1099 from ipfs/fix-randperm

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core: bugfix: bootstrap random permutation
This commit is contained in:
Juan Batiz-Benet
2015-04-20 06:13:36 -07:00
parent b948bd65f9 ce7914063f
commit d7c91992a4
1 changed files with 4 additions and 1 deletions
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5
core/bootstrap.go
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@ -225,8 +225,11 @@ func toPeerInfo(bp config.BootstrapPeer) peer.PeerInfo {
func randomSubsetOfPeers(in []peer.PeerInfo, max int) []peer.PeerInfo { func randomSubsetOfPeers(in []peer.PeerInfo, max int) []peer.PeerInfo {
n := math2.IntMin(max, len(in)) n := math2.IntMin(max, len(in))
var out []peer.PeerInfo var out []peer.PeerInfo
for _, val := range rand.Perm(n) { for _, val := range rand.Perm(len(in)) {
out = append(out, in[val]) out = append(out, in[val])
if len(out) >= n {
break
}
} }
return out return out
} }