Partial response to review

e2e/parse/partition.go

@@ -8,7 +8,7 @@
 package parse
 
 import (
-	e2eCrypto "gitlab.com/elixxir/crypto/e2e"
+	"gitlab.com/elixxir/crypto/e2e"
 	"time"
 
 	"github.com/pkg/errors"
@@ -80,7 +80,7 @@ func (p *Partitioner) Partition(recipient *id.ID, mt catalog.MessageType,
 
 func (p *Partitioner) HandlePartition(sender *id.ID,
 	contents []byte, relationshipFingerprint []byte,
-	residue e2eCrypto.KeyResidue) (receive.Message, e2eCrypto.KeyResidue, bool) {
+	residue e2e.KeyResidue) (receive.Message, e2e.KeyResidue, bool) {
 
 	if isFirst(contents) {
 		// If it is the first message in a set, then handle it as so

e2e/parse/partition/store.go

@@ -51,6 +51,7 @@ func NewOrLoad(kv *versioned.KV) *Store {
 	return partitionStore
 }
 
+// AddFirst adds the first partition message to the Store object.
 func (s *Store) AddFirst(partner *id.ID, mt catalog.MessageType,
 	messageID uint64, partNum, numParts uint8, senderTimestamp,
 	storageTimestamp time.Time, part []byte, relationshipFingerprint []byte,

e2e/processor.go

@@ -30,8 +30,8 @@ func (p *processor) Process(ecrMsg format.Message,
 		return
 	}
 
-	// todo: handle residue here
 	sess := p.cy.GetSession()
+	// todo: handle residue here
 	message, _, done := p.m.partitioner.HandlePartition(sess.GetPartner(),
 		contents, sess.GetRelationshipFingerprint(), residue)
 	if done {

e2e/ratchet/partner/session/cypher.go

@@ -70,7 +70,7 @@ type Cypher interface {
 	// Decrypt uses the E2E key to decrypt the message. It returns an error in
 	// case of HMAC verification failure or in case of a decryption error
 	// (related to padding). It generates a residue of the
-	//	// key used to encrypt the contents.
+	// key used to encrypt the contents.
 	Decrypt(msg format.Message) (decryptedPayload []byte, residue e2eCrypto.KeyResidue, err error)
 
 	// Use sets the key as used. It cannot be used again.

e2e/sendE2E.go

@@ -19,6 +19,19 @@ import (
 	"gitlab.com/xx_network/primitives/netTime"
 )
 
+// SendE2E send a message containing the payload to the
+// recipient of the passed message type, per the given
+// parameters - encrypted with end-to-end encryption.
+// Default parameters can be retrieved through
+// GetDefaultParams()
+// If too long, it will chunk a message up into its messages
+// and send each as a separate cmix message. It will return
+// the list of all rounds sent on, a unique ID for the
+// message, and the timestamp sent on.
+// the recipient must already have an e2e relationship,
+// otherwise an error will be returned.
+// Will return an error if the network is not healthy or in
+// the event of a failed send
 func (m *manager) SendE2E(mt catalog.MessageType, recipient *id.ID,
 	payload []byte, params Params) (e2e.SendReport, error) {