package protocol import ( "crypto/ecdsa" "github.com/status-im/status-go/eth-node/crypto" "github.com/status-im/status-go/eth-node/types" "github.com/status-im/status-go/images" "github.com/status-im/status-go/multiaccounts/settings" "github.com/status-im/status-go/protocol/common" "github.com/status-im/status-go/protocol/identity" "github.com/status-im/status-go/protocol/identity/alias" "github.com/status-im/status-go/protocol/identity/identicon" "github.com/status-im/status-go/protocol/verification" ) type ContactRequestState int const ( ContactRequestStateNone ContactRequestState = iota ContactRequestStateMutual ContactRequestStateSent ContactRequestStateReceived ContactRequestStateDismissed ) // ContactDeviceInfo is a struct containing information about a particular device owned by a contact type ContactDeviceInfo struct { // The installation id of the device InstallationID string `json:"id"` // Timestamp represents the last time we received this info Timestamp int64 `json:"timestamp"` // FCMToken is to be used for push notifications FCMToken string `json:"fcmToken"` } func (c *Contact) CanonicalName() string { if c.LocalNickname != "" { return c.LocalNickname } if c.ENSVerified { return c.EnsName } return c.Alias } func (c *Contact) CanonicalImage(profilePicturesVisibility settings.ProfilePicturesVisibilityType) string { if profilePicturesVisibility == settings.ProfilePicturesVisibilityNone || (profilePicturesVisibility == settings.ProfilePicturesVisibilityContactsOnly && !c.Added) { return c.Identicon } if largeImage, ok := c.Images[images.LargeDimName]; ok { imageBase64, err := largeImage.GetDataURI() if err == nil { return imageBase64 } } if thumbImage, ok := c.Images[images.SmallDimName]; ok { imageBase64, err := thumbImage.GetDataURI() if err == nil { return imageBase64 } } return c.Identicon } type VerificationStatus int const ( VerificationStatusUNVERIFIED VerificationStatus = iota VerificationStatusVERIFYING VerificationStatusVERIFIED ) // Contact has information about a "Contact" type Contact struct { // ID of the contact. It's a hex-encoded public key (prefixed with 0x). ID string `json:"id"` // Ethereum address of the contact Address string `json:"address,omitempty"` // ENS name of contact EnsName string `json:"name,omitempty"` // EnsVerified whether we verified the name of the contact ENSVerified bool `json:"ensVerified"` // Generated username name of the contact Alias string `json:"alias,omitempty"` // Identicon generated from public key Identicon string `json:"identicon"` // LastUpdated is the last time we received an update from the contact // updates should be discarded if last updated is less than the one stored LastUpdated uint64 `json:"lastUpdated"` // LastUpdatedLocally is the last time we updated the contact locally LastUpdatedLocally uint64 `json:"lastUpdatedLocally"` LocalNickname string `json:"localNickname,omitempty"` // Display name of the contact DisplayName string `json:"displayName"` // Bio - description of the contact (tell us about yourself) Bio string `json:"bio"` SocialLinks identity.SocialLinks `json:"socialLinks"` Images map[string]images.IdentityImage `json:"images"` Added bool `json:"added"` Blocked bool `json:"blocked"` HasAddedUs bool `json:"hasAddedUs"` ContactRequestState ContactRequestState `json:"contactRequestState"` ContactRequestClock uint64 `json:"contactRequestClock"` IsSyncing bool Removed bool VerificationStatus VerificationStatus `json:"verificationStatus"` TrustStatus verification.TrustStatus `json:"trustStatus"` } func (c Contact) IsVerified() bool { return c.VerificationStatus == VerificationStatusVERIFIED } func (c Contact) IsVerifying() bool { return c.VerificationStatus == VerificationStatusVERIFYING } func (c Contact) IsUnverified() bool { return c.VerificationStatus == VerificationStatusUNVERIFIED } func (c Contact) IsUntrustworthy() bool { return c.TrustStatus == verification.TrustStatusUNTRUSTWORTHY } func (c Contact) IsTrusted() bool { return c.TrustStatus == verification.TrustStatusTRUSTED } func (c Contact) PublicKey() (*ecdsa.PublicKey, error) { b, err := types.DecodeHex(c.ID) if err != nil { return nil, err } return crypto.UnmarshalPubkey(b) } func (c *Contact) Block() { c.Blocked = true c.Added = false } func (c *Contact) BlockDesktop() { c.Blocked = true } func (c *Contact) Unblock() { c.Blocked = false } func (c *Contact) Remove() { c.Added = false c.Removed = true } func (c *Contact) Add() { c.Added = true c.Removed = false } func (c *Contact) ContactRequestSent() { switch c.ContactRequestState { case ContactRequestStateNone, ContactRequestStateDismissed: c.ContactRequestState = ContactRequestStateSent case ContactRequestStateReceived: c.ContactRequestState = ContactRequestStateMutual } } func (c *Contact) ContactRequestReceived() { switch c.ContactRequestState { case ContactRequestStateNone: c.ContactRequestState = ContactRequestStateReceived case ContactRequestStateSent: c.ContactRequestState = ContactRequestStateMutual } } func (c *Contact) ContactRequestAccepted() { switch c.ContactRequestState { case ContactRequestStateSent: c.ContactRequestState = ContactRequestStateMutual } } func (c *Contact) AcceptContactRequest() { switch c.ContactRequestState { case ContactRequestStateReceived, ContactRequestStateDismissed: c.ContactRequestState = ContactRequestStateMutual } } func (c *Contact) RetractContactRequest() { c.ContactRequestState = ContactRequestStateNone } func (c *Contact) ContactRequestRetracted() { c.ContactRequestState = ContactRequestStateNone } func (c *Contact) DismissContactRequest() { c.ContactRequestState = ContactRequestStateDismissed } func buildContactFromPkString(pkString string) (*Contact, error) { publicKeyBytes, err := types.DecodeHex(pkString) if err != nil { return nil, err } publicKey, err := crypto.UnmarshalPubkey(publicKeyBytes) if err != nil { return nil, err } return buildContact(pkString, publicKey) } func BuildContactFromPublicKey(publicKey *ecdsa.PublicKey) (*Contact, error) { id := common.PubkeyToHex(publicKey) return buildContact(id, publicKey) } func buildContact(publicKeyString string, publicKey *ecdsa.PublicKey) (*Contact, error) { newIdenticon, err := identicon.GenerateBase64(publicKeyString) if err != nil { return nil, err } contact := &Contact{ ID: publicKeyString, Alias: alias.GenerateFromPublicKey(publicKey), Identicon: newIdenticon, } return contact, nil } func contactIDFromPublicKey(key *ecdsa.PublicKey) string { return types.EncodeHex(crypto.FromECDSAPub(key)) }