path: root/p2p/client_identity.go

package p2p

import (
    "fmt"
    "runtime"
)

// ClientIdentity represents the identity of a peer.
type ClientIdentity interface {
    String() string // human readable identity
    Pubkey() []byte // 512-bit public key
}

type SimpleClientIdentity struct {
    clientIdentifier string
    version          string
    customIdentifier string
    os               string
    implementation   string
    pubkey           []byte
}

func NewSimpleClientIdentity(clientIdentifier string, version string, customIdentifier string, pubkey []byte) *SimpleClientIdentity {
    clientIdentity := &SimpleClientIdentity{
        clientIdentifier: clientIdentifier,
        version:          version,
        customIdentifier: customIdentifier,
        os:               runtime.GOOS,
        implementation:   runtime.Version(),
        pubkey:           pubkey,
    }

    return clientIdentity
}

func (c *SimpleClientIdentity) init() {
}

func (c *SimpleClientIdentity) String() string {
    var id string
    if len(c.customIdentifier) > 0 {
        id = "/" + c.customIdentifier
    }

    return fmt.Sprintf("%s/v%s%s/%s/%s",
        c.clientIdentifier,
        c.version,
        id,
        c.os,
        c.implementation)
}

func (c *SimpleClientIdentity) Pubkey() []byte {
    return []byte(c.pubkey)
}

func (c *SimpleClientIdentity) SetCustomIdentifier(customIdentifier string) {
    c.customIdentifier = customIdentifier
}

func (c *SimpleClientIdentity) GetCustomIdentifier() string {
    return c.customIdentifier
}