Merge branch 'main' into ind-bootstrap

2022-12-29 14:41:53 +00:00
parent c044375fd0 893ca306c2
commit 62c5bfe263
13 changed files with 271 additions and 156 deletions
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -22,7 +22,7 @@ jobs:
        go-version: 1.19

    - name: Build
-      run: go release -v ./...
+      run: go build -v ./...

    - name: Test
      run: go test -v ./...
--- a/pkg/client/client.go
+++ b/pkg/client/client.go
@@ -13,23 +13,25 @@ import (
 	"github.com/Indra-Labs/indra/pkg/key/pub"
 	"github.com/Indra-Labs/indra/pkg/key/signer"
 	"github.com/Indra-Labs/indra/pkg/node"
+	"github.com/Indra-Labs/indra/pkg/nonce"
 	"github.com/Indra-Labs/indra/pkg/slice"
 	"github.com/Indra-Labs/indra/pkg/types"
 	"github.com/Indra-Labs/indra/pkg/wire"
 	"github.com/Indra-Labs/indra/pkg/wire/cipher"
-	"github.com/Indra-Labs/indra/pkg/wire/confirmation"
+	"github.com/Indra-Labs/indra/pkg/wire/confirm"
 	"github.com/Indra-Labs/indra/pkg/wire/delay"
 	"github.com/Indra-Labs/indra/pkg/wire/exit"
 	"github.com/Indra-Labs/indra/pkg/wire/forward"
 	"github.com/Indra-Labs/indra/pkg/wire/layer"
 	"github.com/Indra-Labs/indra/pkg/wire/noop"
 	"github.com/Indra-Labs/indra/pkg/wire/purchase"
-	"github.com/Indra-Labs/indra/pkg/wire/reply"
 	"github.com/Indra-Labs/indra/pkg/wire/response"
+	"github.com/Indra-Labs/indra/pkg/wire/reverse"
 	"github.com/Indra-Labs/indra/pkg/wire/session"
 	"github.com/Indra-Labs/indra/pkg/wire/token"
 	log2 "github.com/cybriq/proc/pkg/log"
 	"github.com/cybriq/qu"
+	"go.uber.org/atomic"
 )

 const DefaultDeadline = 10 * time.Minute
@@ -47,8 +49,10 @@ type Client struct {
 	*address.ReceiveCache
 	Circuits
 	Sessions
+	*confirm.Confirms
 	sync.Mutex
 	*signer.KeySet
+	atomic.Bool
 	qu.C
 }

@@ -56,9 +60,10 @@ func New(tpt ifc.Transport, hdrPrv *prv.Key, no *node.Node,
 	nodes node.Nodes) (c *Client, e error) {

 	no.Transport = tpt
-	no.HeaderPriv = hdrPrv
+	no.HeaderPrv = hdrPrv
 	no.HeaderPub = pub.Derive(hdrPrv)
 	c = &Client{
+		Confirms:     confirm.NewConfirms(),
 		Node:         no,
 		Nodes:        nodes,
 		ReceiveCache: address.NewReceiveCache(),
@@ -69,158 +74,175 @@ func New(tpt ifc.Transport, hdrPrv *prv.Key, no *node.Node,
 }

 // Start a single thread of the Client.
-func (c *Client) Start() {
+func (cl *Client) Start() {
 out:
 	for {
-		if c.runner() {
+		if cl.runner() {
 			break out
 		}
 	}
 }

-func (c *Client) runner() (out bool) {
+func (cl *Client) runner() (out bool) {
 	select {
-	case <-c.C.Wait():
-		c.Cleanup()
+	case <-cl.C.Wait():
+		cl.Cleanup()
 		out = true
 		break
-	case b := <-c.Node.Receive():
+	case b := <-cl.Node.Receive():
 		// process received message
 		var onion types.Onion
 		var e error
-		cur := slice.NewCursor()
-		if onion, e = wire.PeelOnion(b, cur); check(e) {
+		c := slice.NewCursor()
+		if onion, e = wire.PeelOnion(b, c); check(e) {
 			break
 		}
 		switch on := onion.(type) {
 		case *cipher.OnionSkin:
-			log.I.Ln(reflect.TypeOf(on))
-			c.cipher(on, b, cur)
-		case *confirmation.OnionSkin:
-			log.I.Ln(reflect.TypeOf(on))
-			c.confirmation(on, b, cur)
+			log.T.Ln(reflect.TypeOf(on))
+			cl.cipher(on, b, c)
+		case *confirm.OnionSkin:
+			log.T.Ln(reflect.TypeOf(on))
+			cl.confirm(on, b, c)
 		case *delay.OnionSkin:
-			log.I.Ln(reflect.TypeOf(on))
-			c.delay(on, b, cur)
+			log.T.Ln(reflect.TypeOf(on))
+			cl.delay(on, b, c)
 		case *exit.OnionSkin:
-			log.I.Ln(reflect.TypeOf(on))
-			c.exit(on, b, cur)
+			log.T.Ln(reflect.TypeOf(on))
+			cl.exit(on, b, c)
 		case *forward.OnionSkin:
-			log.I.Ln(reflect.TypeOf(on))
-			c.forward(on, b, cur)
+			log.T.Ln(reflect.TypeOf(on))
+			cl.forward(on, b, c)
 		case *layer.OnionSkin:
-			log.I.Ln(reflect.TypeOf(on))
-			c.layer(on, b, cur)
+			log.T.Ln(reflect.TypeOf(on))
+			cl.layer(on, b, c)
 		case *noop.OnionSkin:
-			log.I.Ln(reflect.TypeOf(on))
-			c.noop(on, b, cur)
+			log.T.Ln(reflect.TypeOf(on))
+			cl.noop(on, b, c)
 		case *purchase.OnionSkin:
-			log.I.Ln(reflect.TypeOf(on))
-			c.purchase(on, b, cur)
-		case *reply.OnionSkin:
-			log.I.Ln(reflect.TypeOf(on))
-			c.reply(on, b, cur)
+			log.T.Ln(reflect.TypeOf(on))
+			cl.purchase(on, b, c)
+		case *reverse.OnionSkin:
+			log.T.Ln(reflect.TypeOf(on))
+			cl.reply(on, b, c)
 		case *response.OnionSkin:
-			log.I.Ln(reflect.TypeOf(on))
-			c.response(on, b, cur)
+			log.T.Ln(reflect.TypeOf(on))
+			cl.response(on, b, c)
 		case *session.OnionSkin:
-			log.I.Ln(reflect.TypeOf(on))
-			c.session(on, b, cur)
+			log.T.Ln(reflect.TypeOf(on))
+			cl.session(on, b, c)
 		case *token.OnionSkin:
-			log.I.Ln(reflect.TypeOf(on))
-			c.token(on, b, cur)
+			log.T.Ln(reflect.TypeOf(on))
+			cl.token(on, b, c)
 		default:
 			log.I.S("unrecognised packet", b)
 		}
 	}
-	return false
+	return
 }

-func (c *Client) cipher(on *cipher.OnionSkin, b slice.Bytes, cur *slice.Cursor) {
+func (cl *Client) cipher(on *cipher.OnionSkin, b slice.Bytes, cur *slice.Cursor) {
 	// This either is in a forward only SendKeys message or we are the buyer
 	// and these are our session keys.
 }

-func (c *Client) confirmation(on *confirmation.OnionSkin, b slice.Bytes,
-	cur *slice.Cursor) {
-	// This will be an 8 byte nonce that confirms a message passed, ping and
-	// cipher onions return these, as they are pure forward messages that
-	// send a message one way and the confirmation is the acknowledgement.
-	log.I.S(on)
+func (cl *Client) confirm(on *confirm.OnionSkin, b slice.Bytes,
+	c *slice.Cursor) {
+	// When a confirm arrives check if it is registered for and run
+	// the hook that was registered with it.
+	cl.Confirms.Lock()
+	for i := range (*cl).Cnf {
+		if on.ID == (*cl).Cnf[i].ID {
+			(*cl).Cnf[i].Hook(on)
+		}
+	}
+	cl.Confirms.Unlock()
 }

-func (c *Client) delay(on *delay.OnionSkin, b slice.Bytes, cur *slice.Cursor) {
+func (cl *Client) RegisterConfirmation(id nonce.ID, hook confirm.Hook) {
+	cl.Confirms.Lock()
+	cl.Cnf = append((*cl).Cnf, confirm.Callback{
+		ID:   id,
+		Time: time.Now(),
+		Hook: hook,
+	})
+	cl.Confirms.Unlock()
+}
+
+func (cl *Client) delay(on *delay.OnionSkin, b slice.Bytes, cur *slice.Cursor) {
 	// this is a message to hold the message in the buffer until a duration
 	// elapses. The accounting for the remainder of the message adds a
 	// factor to the effective byte consumption in accordance with the time
 	// to be stored.
 }

-func (c *Client) exit(on *exit.OnionSkin, b slice.Bytes, cur *slice.Cursor) {
+func (cl *Client) exit(on *exit.OnionSkin, b slice.Bytes, cur *slice.Cursor) {
 	// payload is forwarded to a local port and the response is forwarded
 	// back with a reply header.
 }

-func (c *Client) forward(on *forward.OnionSkin, b slice.Bytes, cur *slice.Cursor) {
+func (cl *Client) forward(on *forward.OnionSkin, b slice.Bytes, c *slice.Cursor) {
 	// forward the whole buffer received onwards. Usually there will be a
 	// layer.OnionSkin under this which will be unwrapped by the receiver.
-	if on.AddrPort.String() == c.Node.AddrPort.String() {
+	if on.AddrPort.String() == cl.Node.AddrPort.String() {
 		// it is for us, we want to unwrap the next
 		// part.
-		log.I.Ln("processing new message")
-		c.Node.Send(b[*cur:])
+		log.T.Ln("processing new message", *c)
+		b = append(b[*c:], slice.NoisePad(int(*c))...)
+		cl.Node.Send(b)
 	} else {
 		// we need to forward this message onion.
-		log.I.Ln("forwarding")
-		c.Send(on.AddrPort, b)
+		log.T.Ln("forwarding")
+		cl.Send(on.AddrPort, b)
 	}
 }

-func (c *Client) layer(on *layer.OnionSkin, b slice.Bytes, cur *slice.Cursor) {
+func (cl *Client) layer(on *layer.OnionSkin, b slice.Bytes, c *slice.Cursor) {
 	// this is probably an encrypted layer for us.
-	log.I.Ln("decrypting onion skin")
-	// log.I.S(on, b[*cur:].ToBytes())
-	rcv := c.ReceiveCache.FindCloaked(on.Cloak)
+	log.T.Ln("decrypting onion skin")
+	// log.I.S(on, b[*c:].ToBytes())
+	rcv := cl.ReceiveCache.FindCloaked(on.Cloak)
 	if rcv == nil {
-		log.I.Ln("no matching key found from cloaked key")
+		log.T.Ln("no matching key found from cloaked key")
 		return
 	}
-	on.Decrypt(rcv.Key, b, cur)
-	log.I.S(b[*cur:].ToBytes())
-	c.Node.Send(b[*cur:])
+	on.Decrypt(rcv.Key, b, c)
+	b = append(b[*c:], slice.NoisePad(int(*c))...)
+	log.T.S(b.ToBytes())
+	cl.Node.Send(b)
 }

-func (c *Client) noop(on *noop.OnionSkin, b slice.Bytes, cur *slice.Cursor) {
+func (cl *Client) noop(on *noop.OnionSkin, b slice.Bytes, c *slice.Cursor) {
 	// this won't happen normally
 }

-func (c *Client) purchase(on *purchase.OnionSkin, b slice.Bytes, cur *slice.Cursor) {
+func (cl *Client) purchase(on *purchase.OnionSkin, b slice.Bytes, c *slice.Cursor) {
 	// Create a new Session.
 	s := &Session{}
-	c.Mutex.Lock()
+	cl.Mutex.Lock()
 	s.Deadline = time.Now().Add(DefaultDeadline)
-	c.Sessions = append(c.Sessions, s)
-	c.Mutex.Unlock()
+	cl.Sessions = append(cl.Sessions, s)
+	cl.Mutex.Unlock()
 }

-func (c *Client) reply(on *reply.OnionSkin, b slice.Bytes, cur *slice.Cursor) {
+func (cl *Client) reply(on *reverse.OnionSkin, b slice.Bytes, c *slice.Cursor) {
 	// Reply means another OnionSkin is coming and the payload encryption
 	// uses the Payload key.
-	if on.AddrPort.String() == c.Node.AddrPort.String() {
+	if on.AddrPort.String() == cl.Node.AddrPort.String() {
 		// it is for us, we want to unwrap the next part.
-		c.Node.Send(b)
+		cl.Node.Send(b)
 	} else {
 		// we need to forward this message onion.
-		c.Send(on.AddrPort, b)
+		cl.Send(on.AddrPort, b)
 	}

 }

-func (c *Client) response(on *response.OnionSkin, b slice.Bytes, cur *slice.Cursor) {
+func (cl *Client) response(on *response.OnionSkin, b slice.Bytes, cur *slice.Cursor) {
 	// Response is a payload from an exit message.
 }

-func (c *Client) session(s *session.OnionSkin, b slice.Bytes, cur *slice.Cursor) {
+func (cl *Client) session(s *session.OnionSkin, b slice.Bytes, cur *slice.Cursor) {
 	// Session is returned from a Purchase message in the reply layers.
 	//
 	// Session has a nonce.ID that is given in the last layer of a LN sphinx
@@ -229,26 +251,31 @@ func (c *Client) session(s *session.OnionSkin, b slice.Bytes, cur *slice.Cursor)
 	// nonce, so long as it has not yet expired.
 }

-func (c *Client) token(t *token.OnionSkin, b slice.Bytes, cur *slice.Cursor) {
+func (cl *Client) token(t *token.OnionSkin, b slice.Bytes, cur *slice.Cursor) {
 	// not really sure if we are using these.
 	return
 }

-func (c *Client) Cleanup() {
+func (cl *Client) Cleanup() {
 	// Do cleanup stuff before shutdown.
 }

-func (c *Client) Shutdown() {
-	c.C.Q()
+func (cl *Client) Shutdown() {
+	if cl.Bool.Load() {
+		return
+	}
+	log.I.Ln("shutting down client", cl.Node.AddrPort.String())
+	cl.Bool.Store(true)
+	cl.C.Q()
 }

-func (c *Client) Send(addr *netip.AddrPort, b slice.Bytes) {
+func (cl *Client) Send(addr *netip.AddrPort, b slice.Bytes) {
 	// first search if we already have the node available with connection
 	// open.
 	as := addr.String()
-	for i := range c.Nodes {
-		if as == c.Nodes[i].Addr {
-			c.Nodes[i].Transport.Send(b)
+	for i := range cl.Nodes {
+		if as == cl.Nodes[i].Addr {
+			cl.Nodes[i].Transport.Send(b)
 			return
 		}
 	}
--- a/pkg/client/client_test.go
+++ b/pkg/client/client_test.go
@@ -13,11 +13,14 @@ import (
 	"github.com/Indra-Labs/indra/pkg/slice"
 	"github.com/Indra-Labs/indra/pkg/transport"
 	"github.com/Indra-Labs/indra/pkg/wire"
+	"github.com/Indra-Labs/indra/pkg/wire/confirm"
 	log2 "github.com/cybriq/proc/pkg/log"
+	"github.com/cybriq/qu"
 )

 func TestPing(t *testing.T) {
 	log2.CodeLoc = true
+	// log2.SetLogLevel(log2.Trace)
 	var clients [4]*Client
 	var nodes [4]*node.Node
 	var transports [4]ifc.Transport
@@ -38,7 +41,6 @@ func TestPing(t *testing.T) {
 		}
 		pldPub := pub.Derive(pldPrv)
 		addr := slice.GenerateRandomAddrPortIPv4()
-		log.I.S(addr)
 		nodes[i], _ = node.New(addr, hdrPub, pldPub, hdrPrv, pldPrv, transports[i])
 		if clients[i], e = New(transports[i], hdrPrv, nodes[i], nil); check(e) {
 			t.Error(e)
@@ -70,12 +72,25 @@ func TestPing(t *testing.T) {
 		hop[i] = clients[0].Nodes[i]
 	}
 	os := wire.Ping(pn, clients[0].Node, hop, ks)
-	log.I.S(os)
+	// log.I.S(os)
+	quit := qu.T()
+	log.I.S("sending ping with ID", os[len(os)-1].(*confirm.OnionSkin))
+	clients[0].RegisterConfirmation(
+		os[len(os)-1].(*confirm.OnionSkin).ID,
+		func(cf *confirm.OnionSkin) {
+			log.I.S("received ping confirmation ID", cf)
+			quit.Q()
+		},
+	)
 	o := os.Assemble()
 	b := wire.EncodeOnion(o)
-	// log.I.S(b.ToBytes())
 	hop[0].Send(b)
-	time.Sleep(time.Second * 5)
+	go func() {
+		time.Sleep(time.Second * 2)
+		quit.Q()
+		t.Error("ping got stuck")
+	}()
+	<-quit.Wait()
 	for _, v := range clients {
 		v.Shutdown()
 	}
--- a/pkg/node/node.go
+++ b/pkg/node/node.go
@@ -25,28 +25,28 @@ var (
 // except when the netip.AddrPort is known via the packet sender address.
 type Node struct {
 	nonce.ID
-	Addr                    string
-	AddrPort                *netip.AddrPort
-	HeaderPub, PayloadPub   *pub.Key
-	HeaderPriv, PayloadPriv *prv.Key
+	Addr                  string
+	AddrPort              *netip.AddrPort
+	HeaderPub, PayloadPub *pub.Key
+	HeaderPrv, PayloadPrv *prv.Key
 	ifc.Transport
 }

 // New creates a new Node. netip.AddrPort is optional if the counterparty is not
 // in direct connection.
-func New(addr *netip.AddrPort, hdr, pld *pub.Key, hdrPriv, pldPriv *prv.Key,
+func New(addr *netip.AddrPort, hdr, pld *pub.Key, hdrPrv, pldPrv *prv.Key,
 	tpt ifc.Transport) (n *Node, id nonce.ID) {

 	id = nonce.NewID()
 	n = &Node{
-		ID:          id,
-		Addr:        addr.String(),
-		AddrPort:    addr,
-		Transport:   tpt,
-		HeaderPub:   hdr,
-		PayloadPub:  pld,
-		HeaderPriv:  hdrPriv,
-		PayloadPriv: pldPriv,
+		ID:         id,
+		Addr:       addr.String(),
+		AddrPort:   addr,
+		Transport:  tpt,
+		HeaderPub:  hdr,
+		PayloadPub: pld,
+		HeaderPrv:  hdrPrv,
+		PayloadPrv: pldPrv,
 	}
 	return
 }
--- a/pkg/wire/cipher/cipher.go
+++ b/pkg/wire/cipher/cipher.go
@@ -23,10 +23,6 @@ var (
 //
 // After ~10 seconds these can be purged from the cache as they are otherwise a
 // DoS vector buffer flooding.
-//
-// The Decode function wipes the original message data for security as the
-// private keys inside it are no longer needed and any secret should only have
-// one storage, so it doesn't appear in any GC later.
 type OnionSkin struct {
 	Header, Payload *pub.Key
 	types.Onion
--- a/pkg/wire/codec.go
+++ b/pkg/wire/codec.go
@@ -7,15 +7,15 @@ import (
 	"github.com/Indra-Labs/indra/pkg/slice"
 	"github.com/Indra-Labs/indra/pkg/types"
 	"github.com/Indra-Labs/indra/pkg/wire/cipher"
-	"github.com/Indra-Labs/indra/pkg/wire/confirmation"
+	"github.com/Indra-Labs/indra/pkg/wire/confirm"
 	"github.com/Indra-Labs/indra/pkg/wire/delay"
 	"github.com/Indra-Labs/indra/pkg/wire/exit"
 	"github.com/Indra-Labs/indra/pkg/wire/forward"
 	"github.com/Indra-Labs/indra/pkg/wire/layer"
 	"github.com/Indra-Labs/indra/pkg/wire/magicbytes"
 	"github.com/Indra-Labs/indra/pkg/wire/purchase"
-	"github.com/Indra-Labs/indra/pkg/wire/reply"
 	"github.com/Indra-Labs/indra/pkg/wire/response"
+	"github.com/Indra-Labs/indra/pkg/wire/reverse"
 	"github.com/Indra-Labs/indra/pkg/wire/session"
 	"github.com/Indra-Labs/indra/pkg/wire/token"
 	log2 "github.com/cybriq/proc/pkg/log"
@@ -42,8 +42,8 @@ func PeelOnion(b slice.Bytes, c *slice.Cursor) (on types.Onion, e error) {
 			return
 		}
 		on = o
-	case confirmation.MagicString:
-		o := &confirmation.OnionSkin{}
+	case confirm.MagicString:
+		o := &confirm.OnionSkin{}
 		if e = o.Decode(b, c); check(e) {
 			return
 		}
@@ -78,8 +78,8 @@ func PeelOnion(b slice.Bytes, c *slice.Cursor) (on types.Onion, e error) {
 			return
 		}
 		on = o
-	case reply.MagicString:
-		o := &reply.OnionSkin{}
+	case reverse.MagicString:
+		o := &reverse.OnionSkin{}
 		if e = o.Decode(b, c); check(e) {
 			return
 		}
--- a/pkg/wire/codec_test.go
+++ b/pkg/wire/codec_test.go
@@ -17,14 +17,14 @@ import (
 	"github.com/Indra-Labs/indra/pkg/testutils"
 	"github.com/Indra-Labs/indra/pkg/types"
 	"github.com/Indra-Labs/indra/pkg/wire/cipher"
-	"github.com/Indra-Labs/indra/pkg/wire/confirmation"
+	"github.com/Indra-Labs/indra/pkg/wire/confirm"
 	"github.com/Indra-Labs/indra/pkg/wire/delay"
 	"github.com/Indra-Labs/indra/pkg/wire/exit"
 	"github.com/Indra-Labs/indra/pkg/wire/forward"
 	"github.com/Indra-Labs/indra/pkg/wire/layer"
 	"github.com/Indra-Labs/indra/pkg/wire/purchase"
-	"github.com/Indra-Labs/indra/pkg/wire/reply"
 	"github.com/Indra-Labs/indra/pkg/wire/response"
+	"github.com/Indra-Labs/indra/pkg/wire/reverse"
 	"github.com/Indra-Labs/indra/pkg/wire/session"
 	"github.com/Indra-Labs/indra/pkg/wire/token"
 	log2 "github.com/cybriq/proc/pkg/log"
@@ -73,9 +73,9 @@ func TestOnionSkins_Confirmation(t *testing.T) {
 	if oncn, e = PeelOnion(onb, c); check(e) {
 		t.FailNow()
 	}
-	var cf *confirmation.OnionSkin
+	var cf *confirm.OnionSkin
 	var ok bool
-	if cf, ok = oncn.(*confirmation.OnionSkin); !ok {
+	if cf, ok = oncn.(*confirm.OnionSkin); !ok {
 		t.Error("did not unwrap expected type")
 		t.FailNow()
 	}
@@ -226,8 +226,8 @@ func TestOnionSkins_Layer(t *testing.T) {
 		t.Error(e)
 		t.FailNow()
 	}
-	oc := &confirmation.OnionSkin{}
-	if oc, ok = onc.(*confirmation.OnionSkin); !ok {
+	oc := &confirm.OnionSkin{}
+	if oc, ok = onc.(*confirm.OnionSkin); !ok {
 		t.Error("did not unwrap expected type")
 		t.FailNow()
 	}
@@ -300,8 +300,8 @@ func TestOnionSkins_Reply(t *testing.T) {
 		if onf, e = PeelOnion(onb, c); check(e) {
 			t.FailNow()
 		}
-		var cf *reply.OnionSkin
-		if cf, ok = onf.(*reply.OnionSkin); !ok {
+		var cf *reverse.OnionSkin
+		if cf, ok = onf.(*reverse.OnionSkin); !ok {
 			t.Error("did not unwrap expected type", reflect.TypeOf(onf))
 			t.FailNow()
 		}
--- a/pkg/wire/confirmation/confirmation.go
+++ b/pkg/wire/confirmation/confirmation.go
@@ -1,4 +1,4 @@
-package confirmation
+package confirm

 import (
 	"fmt"
--- a/pkg/wire/confirm/confirms.go
+++ b/pkg/wire/confirm/confirms.go
@@ -0,0 +1,77 @@
+package confirm
+
+import (
+	"sync"
+	"time"
+
+	"github.com/Indra-Labs/indra/pkg/nonce"
+)
+
+type Hook func(cf *OnionSkin)
+
+type Callback struct {
+	nonce.ID
+	time.Time
+	Onion *OnionSkin
+	Hook  Hook
+}
+
+type Confirms struct {
+	sync.Mutex
+	Cnf []Callback
+}
+
+func NewConfirms() *Confirms {
+	cn := Confirms{
+		Cnf: make([]Callback, 0),
+	}
+	return &cn
+}
+
+func (cn *Confirms) Add(cb *Callback) {
+	cn.Lock()
+	(*cn).Cnf = append((*cn).Cnf, *cb)
+	cn.Unlock()
+}
+
+func (cn *Confirms) Confirm(id nonce.ID) bool {
+	cn.Lock()
+	defer cn.Unlock()
+	for i := range (*cn).Cnf {
+		if id == (*cn).Cnf[i].ID {
+			(*cn).Cnf[i].Hook((*cn).Cnf[i].Onion)
+			// delete Callback.
+			end := i + 1
+			// if this is the last one, the end is the last one
+			// also.
+			if end > len((*cn).Cnf)-1 {
+				end = len((*cn).Cnf) - 1
+			}
+			(*cn).Cnf = append((*cn).Cnf[:i], (*cn).Cnf[end:]...)
+			return true
+		}
+	}
+	return false
+}
+
+// Flush clears out entries older than timePast.
+func (cn *Confirms) Flush(timePast time.Time) {
+	cn.Lock()
+	defer cn.Unlock()
+	var foundCount int
+	for i := range (*cn).Cnf {
+		if (*cn).Cnf[i].Time.Before(timePast) {
+			foundCount++
+		}
+	}
+	if foundCount > 0 {
+		cnNew := NewConfirms()
+		for i := range (*cn).Cnf {
+			if !(*cn).Cnf[i].Time.Before(timePast) {
+				(*cnNew).Cnf = append((*cnNew).Cnf,
+					(*cn).Cnf[i])
+			}
+		}
+		(*cn).Cnf = (*cnNew).Cnf
+	}
+}
--- a/pkg/wire/layers.go
+++ b/pkg/wire/layers.go
@@ -13,15 +13,15 @@ import (
 	"github.com/Indra-Labs/indra/pkg/slice"
 	"github.com/Indra-Labs/indra/pkg/types"
 	"github.com/Indra-Labs/indra/pkg/wire/cipher"
-	"github.com/Indra-Labs/indra/pkg/wire/confirmation"
+	"github.com/Indra-Labs/indra/pkg/wire/confirm"
 	"github.com/Indra-Labs/indra/pkg/wire/delay"
 	"github.com/Indra-Labs/indra/pkg/wire/exit"
 	"github.com/Indra-Labs/indra/pkg/wire/forward"
 	"github.com/Indra-Labs/indra/pkg/wire/layer"
 	"github.com/Indra-Labs/indra/pkg/wire/noop"
 	"github.com/Indra-Labs/indra/pkg/wire/purchase"
-	"github.com/Indra-Labs/indra/pkg/wire/reply"
 	"github.com/Indra-Labs/indra/pkg/wire/response"
+	"github.com/Indra-Labs/indra/pkg/wire/reverse"
 	"github.com/Indra-Labs/indra/pkg/wire/session"
 	"github.com/Indra-Labs/indra/pkg/wire/token"
 )
@@ -46,7 +46,7 @@ func (o OnionSkins) Cipher(hdr, pld *pub.Key) OnionSkins {
 }

 func (o OnionSkins) Confirmation(id nonce.ID) OnionSkins {
-	return append(o, &confirmation.OnionSkin{ID: id})
+	return append(o, &confirm.OnionSkin{ID: id})
 }

 func (o OnionSkins) Delay(d time.Duration) OnionSkins {
@@ -86,7 +86,7 @@ func (o OnionSkins) Purchase(nBytes uint64, prvs [3]*prv.Key,
 	})
 }
 func (o OnionSkins) Reply(ip *netip.AddrPort) OnionSkins {
-	return append(o, &reply.OnionSkin{AddrPort: ip, Onion: os})
+	return append(o, &reverse.OnionSkin{AddrPort: ip, Onion: os})
 }
 func (o OnionSkins) Response(res slice.Bytes) OnionSkins {
 	rs := response.OnionSkin(res)
--- a/pkg/wire/onion_test.go
+++ b/pkg/wire/onion_test.go
@@ -14,12 +14,12 @@ import (
 	"github.com/Indra-Labs/indra/pkg/testutils"
 	"github.com/Indra-Labs/indra/pkg/types"
 	"github.com/Indra-Labs/indra/pkg/wire/cipher"
-	"github.com/Indra-Labs/indra/pkg/wire/confirmation"
+	"github.com/Indra-Labs/indra/pkg/wire/confirm"
 	"github.com/Indra-Labs/indra/pkg/wire/exit"
 	"github.com/Indra-Labs/indra/pkg/wire/forward"
 	"github.com/Indra-Labs/indra/pkg/wire/layer"
 	"github.com/Indra-Labs/indra/pkg/wire/purchase"
-	"github.com/Indra-Labs/indra/pkg/wire/reply"
+	"github.com/Indra-Labs/indra/pkg/wire/reverse"
 	log2 "github.com/cybriq/proc/pkg/log"
 )

@@ -54,7 +54,7 @@ func PeelOnionSkin(t *testing.T, b slice.Bytes,
 }

 func PeelConfirmation(t *testing.T, b slice.Bytes,
-	c *slice.Cursor) (cn *confirmation.OnionSkin) {
+	c *slice.Cursor) (cn *confirm.OnionSkin) {

 	var ok bool
 	var e error
@@ -62,7 +62,7 @@ func PeelConfirmation(t *testing.T, b slice.Bytes,
 	if on, e = PeelOnion(b, c); check(e) {
 		t.Error(e)
 	}
-	if cn, ok = on.(*confirmation.OnionSkin); !ok {
+	if cn, ok = on.(*confirm.OnionSkin); !ok {
 		t.Error("did not unwrap expected type", reflect.TypeOf(on))
 	}
 	return
@@ -84,7 +84,7 @@ func PeelPurchase(t *testing.T, b slice.Bytes,
 }

 func PeelReply(t *testing.T, b slice.Bytes,
-	c *slice.Cursor) (rp *reply.OnionSkin) {
+	c *slice.Cursor) (rp *reverse.OnionSkin) {

 	var ok bool
 	var e error
@@ -92,7 +92,7 @@ func PeelReply(t *testing.T, b slice.Bytes,
 	if on, e = PeelOnion(b, c); check(e) {
 		t.Error(e)
 	}
-	if rp, ok = on.(*reply.OnionSkin); !ok {
+	if rp, ok = on.(*reverse.OnionSkin); !ok {
 		t.Error("did not unwrap expected type", reflect.TypeOf(on))
 	}
 	return
@@ -151,7 +151,7 @@ func TestPing(t *testing.T) {
 	}

 	// OnionSkin(address.FromPubKey(hop[0].HeaderPub), set.Next()).
-	PeelOnionSkin(t, b, c).Decrypt(hop[0].HeaderPriv, b, c)
+	PeelOnionSkin(t, b, c).Decrypt(hop[0].HeaderPrv, b, c)

 	// Forward(hop[1].AddrPort).
 	f1 := PeelForward(t, b, c)
@@ -162,7 +162,7 @@ func TestPing(t *testing.T) {
 	}

 	// OnionSkin(address.FromPubKey(hop[1].HeaderPub), set.Next()).
-	PeelOnionSkin(t, b, c).Decrypt(hop[1].HeaderPriv, b, c)
+	PeelOnionSkin(t, b, c).Decrypt(hop[1].HeaderPrv, b, c)

 	// Forward(hop[2].AddrPort).
 	f2 := PeelForward(t, b, c)
@@ -173,7 +173,7 @@ func TestPing(t *testing.T) {
 	}

 	// OnionSkin(address.FromPubKey(hop[2].HeaderPub), set.Next()).
-	PeelOnionSkin(t, b, c).Decrypt(hop[2].HeaderPriv, b, c)
+	PeelOnionSkin(t, b, c).Decrypt(hop[2].HeaderPrv, b, c)

 	// Forward(client.AddrPort).
 	f3 := PeelForward(t, b, c)
@@ -184,7 +184,7 @@ func TestPing(t *testing.T) {
 	}

 	// OnionSkin(address.FromPubKey(client.HeaderPub), set.Next()).
-	PeelOnionSkin(t, b, c).Decrypt(client.HeaderPriv, b, c)
+	PeelOnionSkin(t, b, c).Decrypt(client.HeaderPrv, b, c)

 	// Confirmation(id).
 	co := PeelConfirmation(t, b, c)
@@ -232,7 +232,7 @@ func TestSendKeys(t *testing.T) {
 	}

 	// OnionSkin(address.FromPubKey(hop[0].HeaderPub), set.Next()).
-	PeelOnionSkin(t, b, c).Decrypt(hop[0].HeaderPriv, b, c)
+	PeelOnionSkin(t, b, c).Decrypt(hop[0].HeaderPrv, b, c)

 	// Forward(hop[1].AddrPort).
 	f1 := PeelForward(t, b, c)
@@ -243,7 +243,7 @@ func TestSendKeys(t *testing.T) {
 	}

 	// OnionSkin(address.FromPubKey(hop[1].HeaderPub), set.Next()).
-	PeelOnionSkin(t, b, c).Decrypt(hop[1].HeaderPriv, b, c)
+	PeelOnionSkin(t, b, c).Decrypt(hop[1].HeaderPrv, b, c)

 	// Forward(hop[2].AddrPort).
 	f2 := PeelForward(t, b, c)
@@ -254,7 +254,7 @@ func TestSendKeys(t *testing.T) {
 	}

 	// OnionSkin(address.FromPubKey(hop[2].HeaderPub), set.Next()).
-	PeelOnionSkin(t, b, c).Decrypt(hop[2].HeaderPriv, b, c)
+	PeelOnionSkin(t, b, c).Decrypt(hop[2].HeaderPrv, b, c)

 	// Cipher(hdr, pld).
 	var onc types.Onion
@@ -285,7 +285,7 @@ func TestSendKeys(t *testing.T) {
 	}

 	// OnionSkin(address.FromPubKey(hop[3].HeaderPub), set.Next()).
-	PeelOnionSkin(t, b, c).Decrypt(hop[3].HeaderPriv, b, c)
+	PeelOnionSkin(t, b, c).Decrypt(hop[3].HeaderPrv, b, c)

 	// Forward(hop[4].AddrPort).
 	f4 := PeelForward(t, b, c)
@@ -296,7 +296,7 @@ func TestSendKeys(t *testing.T) {
 	}

 	// OnionSkin(address.FromPubKey(hop[4].HeaderPub), set.Next()).
-	PeelOnionSkin(t, b, c).Decrypt(hop[4].HeaderPriv, b, c)
+	PeelOnionSkin(t, b, c).Decrypt(hop[4].HeaderPrv, b, c)

 	// Forward(client.AddrPort).
 	f5 := PeelForward(t, b, c)
@@ -307,7 +307,7 @@ func TestSendKeys(t *testing.T) {
 	}

 	// OnionSkin(address.FromPubKey(client.HeaderPub), set.Next()).
-	PeelOnionSkin(t, b, c).Decrypt(client.HeaderPriv, b, c)
+	PeelOnionSkin(t, b, c).Decrypt(client.HeaderPrv, b, c)

 	// Confirmation(id).
 	co := PeelConfirmation(t, b, c)
@@ -355,7 +355,7 @@ func TestSendPurchase(t *testing.T) {
 	}

 	// OnionSkin(address.FromPubKey(hop[0].HeaderPub), set.Next()).
-	PeelOnionSkin(t, b, c).Decrypt(hop[0].HeaderPriv, b, c)
+	PeelOnionSkin(t, b, c).Decrypt(hop[0].HeaderPrv, b, c)

 	// Forward(hop[1].AddrPort).
 	f1 := PeelForward(t, b, c)
@@ -366,7 +366,7 @@ func TestSendPurchase(t *testing.T) {
 	}

 	// OnionSkin(address.FromPubKey(hop[1].HeaderPub), set.Next()).
-	PeelOnionSkin(t, b, c).Decrypt(hop[1].HeaderPriv, b, c)
+	PeelOnionSkin(t, b, c).Decrypt(hop[1].HeaderPrv, b, c)

 	// Forward(hop[2].AddrPort).
 	f2 := PeelForward(t, b, c)
@@ -377,7 +377,7 @@ func TestSendPurchase(t *testing.T) {
 	}

 	// OnionSkin(address.FromPubKey(hop[2].HeaderPub), set.Next()).
-	PeelOnionSkin(t, b, c).Decrypt(hop[2].HeaderPriv, b, c)
+	PeelOnionSkin(t, b, c).Decrypt(hop[2].HeaderPrv, b, c)

 	// Purchase(nBytes, prvs, pubs).
 	pr := PeelPurchase(t, b, c)
@@ -394,7 +394,7 @@ func TestSendPurchase(t *testing.T) {
 	}

 	// OnionSkin(address.FromPubKey(hop[3].HeaderPub), replies[0]).
-	PeelOnionSkin(t, b, c).Decrypt(hop[3].HeaderPriv, b, c)
+	PeelOnionSkin(t, b, c).Decrypt(hop[3].HeaderPrv, b, c)

 	// Reply(hop[4].AddrPort).
 	rp2 := PeelReply(t, b, c)
@@ -404,7 +404,7 @@ func TestSendPurchase(t *testing.T) {
 	}

 	// OnionSkin(address.FromPubKey(hop[4].HeaderPub), replies[1]).
-	PeelOnionSkin(t, b, c).Decrypt(hop[4].HeaderPriv, b, c)
+	PeelOnionSkin(t, b, c).Decrypt(hop[4].HeaderPrv, b, c)

 	// Reply(client.AddrPort).
 	rp3 := PeelReply(t, b, c)
@@ -414,7 +414,7 @@ func TestSendPurchase(t *testing.T) {
 	}

 	// OnionSkin(address.FromPubKey(client.HeaderPub), replies[2]).
-	PeelOnionSkin(t, b, c).Decrypt(client.HeaderPriv, b, c)
+	PeelOnionSkin(t, b, c).Decrypt(client.HeaderPrv, b, c)

 }

@@ -454,7 +454,7 @@ func TestSendExit(t *testing.T) {
 	}

 	// OnionSkin(address.FromPubKey(hop[0].HeaderPub), set.Next()).
-	PeelOnionSkin(t, b, c).Decrypt(hop[0].HeaderPriv, b, c)
+	PeelOnionSkin(t, b, c).Decrypt(hop[0].HeaderPrv, b, c)

 	// Forward(hop[1].AddrPort).
 	f1 := PeelForward(t, b, c)
@@ -465,7 +465,7 @@ func TestSendExit(t *testing.T) {
 	}

 	// OnionSkin(address.FromPubKey(hop[1].HeaderPub), set.Next()).
-	PeelOnionSkin(t, b, c).Decrypt(hop[1].HeaderPriv, b, c)
+	PeelOnionSkin(t, b, c).Decrypt(hop[1].HeaderPrv, b, c)

 	// Forward(hop[2].AddrPort).
 	f2 := PeelForward(t, b, c)
@@ -476,7 +476,7 @@ func TestSendExit(t *testing.T) {
 	}

 	// OnionSkin(address.FromPubKey(hop[2].HeaderPub), set.Next()).
-	PeelOnionSkin(t, b, c).Decrypt(hop[2].HeaderPriv, b, c)
+	PeelOnionSkin(t, b, c).Decrypt(hop[2].HeaderPrv, b, c)

 	// Exit(port, prvs, pubs, payload).
 	pr := PeelExit(t, b, c)
@@ -498,7 +498,7 @@ func TestSendExit(t *testing.T) {
 	}

 	// OnionSkin(address.FromPubKey(hop[3].HeaderPub), replies[0]).
-	PeelOnionSkin(t, b, c).Decrypt(hop[3].HeaderPriv, b, c)
+	PeelOnionSkin(t, b, c).Decrypt(hop[3].HeaderPrv, b, c)

 	// Reply(hop[4].AddrPort).
 	rp2 := PeelReply(t, b, c)
@@ -508,7 +508,7 @@ func TestSendExit(t *testing.T) {
 	}

 	// OnionSkin(address.FromPubKey(hop[4].HeaderPub), replies[1]).
-	PeelOnionSkin(t, b, c).Decrypt(hop[4].HeaderPriv, b, c)
+	PeelOnionSkin(t, b, c).Decrypt(hop[4].HeaderPrv, b, c)

 	// Reply(client.AddrPort).
 	rp3 := PeelReply(t, b, c)
@@ -518,6 +518,6 @@ func TestSendExit(t *testing.T) {
 	}

 	// OnionSkin(address.FromPubKey(client.HeaderPub), replies[2]).
-	PeelOnionSkin(t, b, c).Decrypt(client.HeaderPriv, b, c)
+	PeelOnionSkin(t, b, c).Decrypt(client.HeaderPrv, b, c)

 }
--- a/pkg/wire/reverse/reply.go
+++ b/pkg/wire/reverse/reply.go
@@ -1,4 +1,4 @@
-package reply
+package reverse

 import (
 	"net"
--- a/version.go
+++ b/version.go
@@ -8,21 +8,21 @@ var (
 	// URL is the git URL for the repository.
 	URL = "github.com/Indra-Labs/indra"
 	// GitRef is the gitref, as in refs/heads/branchname.
-	GitRef = "refs/heads/ind-bootstrap"
+	GitRef = "refs/heads/protocol"
 	// ParentGitCommit is the commit hash of the parent HEAD.
-	ParentGitCommit = "2dc3027cf28b04b52b8bca3839a96267122f8b92"
+	ParentGitCommit = "83a692da2d96ef804e799e802d6815b07aa66c77"
 	// BuildTime stores the time when the current binary was built.
-	BuildTime = "2022-12-29T02:49:15Z"
+	BuildTime = "2022-12-29T12:06:37Z"
 	// SemVer lists the (latest) git tag on the release.
-	SemVer = "v0.0.255"
+	SemVer = "v0.0.259"
 	// PathBase is the path base returned from runtime caller.
-	PathBase = "/home/lyo/Seafile/Git/indra-labs/indra/"
+	PathBase = "/home/loki/src/github.com/Indra-Labs/indra/"
 	// Major is the major number from the tag.
 	Major = 0
 	// Minor is the minor number from the tag.
 	Minor = 0
 	// Patch is the patch version number from the tag.
-	Patch = 255
+	Patch = 259
 )

 // Version returns a pretty printed version information string.