/api/v0/id/genfrompk ?

[reardenlife]

PULL REQUEST proposal

There seems to be no strict policy on such basic things as a generation of PeerId ( #6133 ) meaning that if I am attempting to generate peer id on my own (see below), there will be no guarantee that my code will not break with a next IPFS update.

// recovery of public key from ethereum transaction
  pkbin, err := secp256k1.RecoverPubkey(msg, sig)
  check(err)

// generation of a peerid from the recovered PK
        pk, err := UnmarshalSecp256k1PublicKey(pkbin)
        check(err)

  pid, err := peer.IDFromPublicKey(pk)
  check(err)
  fmt.Println(pid.Pretty())

So it would be great to put all that code on PeerId generation into the IPFS and provide an interface to obtain the PeerId from public key.

Please let me know if you agree so I will write the code.

[Stebalien]

So, we're trying to work out the policy, that's why this is changing. I'm not sure adding an API to work around what's effectively a temporary bug is the best idea.