446 lines
16 KiB
Go
446 lines
16 KiB
Go
package protocol
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import (
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"crypto/ecdsa"
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crand "crypto/rand"
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"errors"
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"reflect"
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"github.com/golang/protobuf/proto"
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"github.com/status-im/status-go/protocol/common"
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"github.com/status-im/status-go/protocol/protobuf"
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)
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var errorNoAccountProvidedWithTokenOrCollectible = errors.New("no account provided with tokens or collectible")
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var errorDublicateAccountAddress = errors.New("duplicate account address")
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// NOTE: this error is temporary unused because we don't know account on this stage
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// var errorNoAccountAddressForCollectible = errors.New("no account found for collectible")
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var errorAccountVisibilityLowerThanCollectible = errors.New("account visibility lower than collectible")
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var errorDecryptingPayloadEncryptionKey = errors.New("decrypting the payload encryption key resulted in no error and a nil key")
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func toProfileShowcaseCommunityProto(preferences []*ProfileShowcaseCommunityPreference, visibility ProfileShowcaseVisibility) []*protobuf.ProfileShowcaseCommunity {
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communities := []*protobuf.ProfileShowcaseCommunity{}
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for _, preference := range preferences {
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if preference.ShowcaseVisibility != visibility {
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continue
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}
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communities = append(communities, &protobuf.ProfileShowcaseCommunity{
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CommunityId: preference.CommunityID,
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Order: uint32(preference.Order),
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})
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}
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return communities
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}
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func toProfileShowcaseAccountProto(preferences []*ProfileShowcaseAccountPreference, visibility ProfileShowcaseVisibility) []*protobuf.ProfileShowcaseAccount {
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accounts := []*protobuf.ProfileShowcaseAccount{}
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for _, preference := range preferences {
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if preference.ShowcaseVisibility != visibility {
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continue
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}
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accounts = append(accounts, &protobuf.ProfileShowcaseAccount{
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Address: preference.Address,
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Name: preference.Name,
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ColorId: preference.ColorID,
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Emoji: preference.Emoji,
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Order: uint32(preference.Order),
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})
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}
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return accounts
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}
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func toProfileShowcaseCollectibleProto(preferences []*ProfileShowcaseCollectiblePreference, visibility ProfileShowcaseVisibility) []*protobuf.ProfileShowcaseCollectible {
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collectibles := []*protobuf.ProfileShowcaseCollectible{}
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for _, preference := range preferences {
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if preference.ShowcaseVisibility != visibility {
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continue
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}
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collectibles = append(collectibles, &protobuf.ProfileShowcaseCollectible{
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ContractAddress: preference.ContractAddress,
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ChainId: preference.ChainID,
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TokenId: preference.TokenID,
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CommunityId: preference.CommunityID,
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AccountAddress: preference.AccountAddress,
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Order: uint32(preference.Order),
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})
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}
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return collectibles
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}
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func toProfileShowcaseVerifiedTokensProto(preferences []*ProfileShowcaseVerifiedTokenPreference, visibility ProfileShowcaseVisibility) []*protobuf.ProfileShowcaseVerifiedToken {
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tokens := []*protobuf.ProfileShowcaseVerifiedToken{}
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for _, preference := range preferences {
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if preference.ShowcaseVisibility != visibility {
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continue
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}
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tokens = append(tokens, &protobuf.ProfileShowcaseVerifiedToken{
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Symbol: preference.Symbol,
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Order: uint32(preference.Order),
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})
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}
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return tokens
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}
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func toProfileShowcaseUnverifiedTokensProto(preferences []*ProfileShowcaseUnverifiedTokenPreference, visibility ProfileShowcaseVisibility) []*protobuf.ProfileShowcaseUnverifiedToken {
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tokens := []*protobuf.ProfileShowcaseUnverifiedToken{}
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for _, preference := range preferences {
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if preference.ShowcaseVisibility != visibility {
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continue
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}
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tokens = append(tokens, &protobuf.ProfileShowcaseUnverifiedToken{
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ContractAddress: preference.ContractAddress,
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ChainId: preference.ChainID,
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Order: uint32(preference.Order),
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})
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}
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return tokens
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}
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func fromProfileShowcaseCommunityProto(messages []*protobuf.ProfileShowcaseCommunity) []*ProfileShowcaseCommunity {
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communities := []*ProfileShowcaseCommunity{}
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for _, entry := range messages {
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communities = append(communities, &ProfileShowcaseCommunity{
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CommunityID: entry.CommunityId,
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Order: int(entry.Order),
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})
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}
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return communities
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}
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func fromProfileShowcaseAccountProto(messages []*protobuf.ProfileShowcaseAccount) []*ProfileShowcaseAccount {
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accounts := []*ProfileShowcaseAccount{}
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for _, entry := range messages {
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accounts = append(accounts, &ProfileShowcaseAccount{
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Address: entry.Address,
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Name: entry.Name,
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ColorID: entry.ColorId,
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Emoji: entry.Emoji,
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Order: int(entry.Order),
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})
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}
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return accounts
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}
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func fromProfileShowcaseCollectibleProto(messages []*protobuf.ProfileShowcaseCollectible) []*ProfileShowcaseCollectible {
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collectibles := []*ProfileShowcaseCollectible{}
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for _, entry := range messages {
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collectibles = append(collectibles, &ProfileShowcaseCollectible{
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ContractAddress: entry.ContractAddress,
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ChainID: entry.ChainId,
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TokenID: entry.TokenId,
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CommunityID: entry.CommunityId,
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AccountAddress: entry.AccountAddress,
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Order: int(entry.Order),
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})
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}
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return collectibles
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}
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func fromProfileShowcaseVerifiedTokenProto(messages []*protobuf.ProfileShowcaseVerifiedToken) []*ProfileShowcaseVerifiedToken {
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tokens := []*ProfileShowcaseVerifiedToken{}
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for _, entry := range messages {
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tokens = append(tokens, &ProfileShowcaseVerifiedToken{
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Symbol: entry.Symbol,
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Order: int(entry.Order),
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})
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}
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return tokens
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}
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func fromProfileShowcaseUnverifiedTokenProto(messages []*protobuf.ProfileShowcaseUnverifiedToken) []*ProfileShowcaseUnverifiedToken {
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tokens := []*ProfileShowcaseUnverifiedToken{}
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for _, entry := range messages {
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tokens = append(tokens, &ProfileShowcaseUnverifiedToken{
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ContractAddress: entry.ContractAddress,
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ChainID: entry.ChainId,
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Order: int(entry.Order),
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})
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}
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return tokens
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}
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func Validate(preferences *ProfileShowcasePreferences) error {
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if (len(preferences.VerifiedTokens) > 0 || len(preferences.UnverifiedTokens) > 0 || len(preferences.Collectibles) > 0) &&
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len(preferences.Accounts) == 0 {
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return errorNoAccountProvidedWithTokenOrCollectible
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}
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accountsMap := make(map[string]*ProfileShowcaseAccountPreference)
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for _, account := range preferences.Accounts {
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if _, ok := accountsMap[account.Address]; ok {
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return errorDublicateAccountAddress
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}
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accountsMap[account.Address] = account
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}
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for _, collectible := range preferences.Collectibles {
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account, ok := accountsMap[collectible.AccountAddress]
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if !ok {
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return nil
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// NOTE: with current wallet collectible implementation we don't know account on this stage
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// return errorNoAccountAddressForCollectible
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}
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if account.ShowcaseVisibility < collectible.ShowcaseVisibility {
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return errorAccountVisibilityLowerThanCollectible
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}
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}
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return nil
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}
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func (m *Messenger) SetProfileShowcasePreferences(preferences *ProfileShowcasePreferences) error {
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err := Validate(preferences)
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if err != nil {
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return err
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}
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err = m.persistence.SaveProfileShowcasePreferences(preferences)
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if err != nil {
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return err
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}
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return m.publishContactCode()
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}
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func (m *Messenger) GetProfileShowcasePreferences() (*ProfileShowcasePreferences, error) {
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return m.persistence.GetProfileShowcasePreferences()
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}
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func (m *Messenger) GetProfileShowcaseForContact(contactID string) (*ProfileShowcase, error) {
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return m.persistence.GetProfileShowcaseForContact(contactID)
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}
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func (m *Messenger) EncryptProfileShowcaseEntriesWithContactPubKeys(entries *protobuf.ProfileShowcaseEntries, contacts []*Contact) (*protobuf.ProfileShowcaseEntriesEncrypted, error) {
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// Make AES key
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AESKey := make([]byte, 32)
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_, err := crand.Read(AESKey)
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if err != nil {
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return nil, err
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}
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// Encrypt showcase entries with the AES key
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data, err := proto.Marshal(entries)
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if err != nil {
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return nil, err
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}
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encrypted, err := common.Encrypt(data, AESKey, crand.Reader)
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if err != nil {
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return nil, err
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}
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eAESKeys := [][]byte{}
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// Sign for each contact
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for _, contact := range contacts {
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var pubK *ecdsa.PublicKey
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var sharedKey []byte
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var eAESKey []byte
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pubK, err = contact.PublicKey()
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if err != nil {
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return nil, err
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}
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// Generate a Diffie-Helman (DH) between the sender private key and the recipient's public key
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sharedKey, err = common.MakeECDHSharedKey(m.identity, pubK)
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if err != nil {
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return nil, err
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}
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// Encrypt the main AES key with AES encryption using the DH key
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eAESKey, err = common.Encrypt(AESKey, sharedKey, crand.Reader)
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if err != nil {
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return nil, err
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}
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eAESKeys = append(eAESKeys, eAESKey)
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}
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return &protobuf.ProfileShowcaseEntriesEncrypted{
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EncryptedEntries: encrypted,
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EncryptionKeys: eAESKeys,
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}, nil
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}
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func (m *Messenger) DecryptProfileShowcaseEntriesWithPubKey(senderPubKey *ecdsa.PublicKey, encrypted *protobuf.ProfileShowcaseEntriesEncrypted) (*protobuf.ProfileShowcaseEntries, error) {
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for _, eAESKey := range encrypted.EncryptionKeys {
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// Generate a Diffie-Helman (DH) between the recipient's private key and the sender's public key
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sharedKey, err := common.MakeECDHSharedKey(m.identity, senderPubKey)
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if err != nil {
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return nil, err
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}
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// Decrypt the main encryption AES key with AES encryption using the DH key
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dAESKey, err := common.Decrypt(eAESKey, sharedKey)
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if err != nil {
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if err.Error() == ErrCipherMessageAutentificationFailed {
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continue
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}
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return nil, err
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}
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if dAESKey == nil {
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return nil, errorDecryptingPayloadEncryptionKey
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}
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// Decrypt profile entries with the newly decrypted main encryption AES key
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entriesData, err := common.Decrypt(encrypted.EncryptedEntries, dAESKey)
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if err != nil {
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return nil, err
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}
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entries := &protobuf.ProfileShowcaseEntries{}
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err = proto.Unmarshal(entriesData, entries)
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if err != nil {
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return nil, err
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}
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return entries, nil
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}
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// Return empty if no matching key found
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return &protobuf.ProfileShowcaseEntries{}, nil
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}
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func (m *Messenger) GetProfileShowcaseForSelfIdentity() (*protobuf.ProfileShowcase, error) {
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preferences, err := m.GetProfileShowcasePreferences()
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if err != nil {
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return nil, err
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}
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forEveryone := &protobuf.ProfileShowcaseEntries{
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Communities: toProfileShowcaseCommunityProto(preferences.Communities, ProfileShowcaseVisibilityEveryone),
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Accounts: toProfileShowcaseAccountProto(preferences.Accounts, ProfileShowcaseVisibilityEveryone),
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Collectibles: toProfileShowcaseCollectibleProto(preferences.Collectibles, ProfileShowcaseVisibilityEveryone),
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VerifiedTokens: toProfileShowcaseVerifiedTokensProto(preferences.VerifiedTokens, ProfileShowcaseVisibilityEveryone),
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UnverifiedTokens: toProfileShowcaseUnverifiedTokensProto(preferences.UnverifiedTokens, ProfileShowcaseVisibilityEveryone),
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}
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forContacts := &protobuf.ProfileShowcaseEntries{
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Communities: toProfileShowcaseCommunityProto(preferences.Communities, ProfileShowcaseVisibilityContacts),
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Accounts: toProfileShowcaseAccountProto(preferences.Accounts, ProfileShowcaseVisibilityContacts),
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Collectibles: toProfileShowcaseCollectibleProto(preferences.Collectibles, ProfileShowcaseVisibilityContacts),
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VerifiedTokens: toProfileShowcaseVerifiedTokensProto(preferences.VerifiedTokens, ProfileShowcaseVisibilityContacts),
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UnverifiedTokens: toProfileShowcaseUnverifiedTokensProto(preferences.UnverifiedTokens, ProfileShowcaseVisibilityContacts),
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}
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forIDVerifiedContacts := &protobuf.ProfileShowcaseEntries{
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Communities: toProfileShowcaseCommunityProto(preferences.Communities, ProfileShowcaseVisibilityIDVerifiedContacts),
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Accounts: toProfileShowcaseAccountProto(preferences.Accounts, ProfileShowcaseVisibilityIDVerifiedContacts),
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Collectibles: toProfileShowcaseCollectibleProto(preferences.Collectibles, ProfileShowcaseVisibilityIDVerifiedContacts),
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VerifiedTokens: toProfileShowcaseVerifiedTokensProto(preferences.VerifiedTokens, ProfileShowcaseVisibilityIDVerifiedContacts),
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UnverifiedTokens: toProfileShowcaseUnverifiedTokensProto(preferences.UnverifiedTokens, ProfileShowcaseVisibilityIDVerifiedContacts),
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}
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mutualContacts := []*Contact{}
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iDVerifiedContacts := []*Contact{}
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m.allContacts.Range(func(_ string, contact *Contact) (shouldContinue bool) {
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if contact.mutual() {
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mutualContacts = append(mutualContacts, contact)
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if contact.IsVerified() {
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iDVerifiedContacts = append(iDVerifiedContacts, contact)
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}
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}
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return true
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})
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forContactsEncrypted, err := m.EncryptProfileShowcaseEntriesWithContactPubKeys(forContacts, mutualContacts)
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if err != nil {
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return nil, err
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}
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forIDVerifiedContactsEncrypted, err := m.EncryptProfileShowcaseEntriesWithContactPubKeys(forIDVerifiedContacts, iDVerifiedContacts)
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if err != nil {
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return nil, err
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}
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return &protobuf.ProfileShowcase{
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ForEveryone: forEveryone,
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ForContacts: forContactsEncrypted,
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ForIdVerifiedContacts: forIDVerifiedContactsEncrypted,
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}, nil
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}
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func (m *Messenger) BuildProfileShowcaseFromIdentity(state *ReceivedMessageState, message *protobuf.ProfileShowcase) error {
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communities := []*ProfileShowcaseCommunity{}
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accounts := []*ProfileShowcaseAccount{}
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collectibles := []*ProfileShowcaseCollectible{}
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verifiedTokens := []*ProfileShowcaseVerifiedToken{}
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unverifiedTokens := []*ProfileShowcaseUnverifiedToken{}
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communities = append(communities, fromProfileShowcaseCommunityProto(message.ForEveryone.Communities)...)
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accounts = append(accounts, fromProfileShowcaseAccountProto(message.ForEveryone.Accounts)...)
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collectibles = append(collectibles, fromProfileShowcaseCollectibleProto(message.ForEveryone.Collectibles)...)
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verifiedTokens = append(verifiedTokens, fromProfileShowcaseVerifiedTokenProto(message.ForEveryone.VerifiedTokens)...)
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unverifiedTokens = append(unverifiedTokens, fromProfileShowcaseUnverifiedTokenProto(message.ForEveryone.UnverifiedTokens)...)
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senderPubKey := state.CurrentMessageState.PublicKey
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contactID := state.CurrentMessageState.Contact.ID
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forContacts, err := m.DecryptProfileShowcaseEntriesWithPubKey(senderPubKey, message.ForContacts)
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if err != nil {
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return err
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}
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if forContacts != nil {
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communities = append(communities, fromProfileShowcaseCommunityProto(forContacts.Communities)...)
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accounts = append(accounts, fromProfileShowcaseAccountProto(forContacts.Accounts)...)
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collectibles = append(collectibles, fromProfileShowcaseCollectibleProto(forContacts.Collectibles)...)
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verifiedTokens = append(verifiedTokens, fromProfileShowcaseVerifiedTokenProto(forContacts.VerifiedTokens)...)
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unverifiedTokens = append(unverifiedTokens, fromProfileShowcaseUnverifiedTokenProto(forContacts.UnverifiedTokens)...)
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}
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forIDVerifiedContacts, err := m.DecryptProfileShowcaseEntriesWithPubKey(senderPubKey, message.ForIdVerifiedContacts)
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if err != nil {
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return err
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}
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if forIDVerifiedContacts != nil {
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communities = append(communities, fromProfileShowcaseCommunityProto(forIDVerifiedContacts.Communities)...)
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accounts = append(accounts, fromProfileShowcaseAccountProto(forIDVerifiedContacts.Accounts)...)
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collectibles = append(collectibles, fromProfileShowcaseCollectibleProto(forIDVerifiedContacts.Collectibles)...)
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verifiedTokens = append(verifiedTokens, fromProfileShowcaseVerifiedTokenProto(forIDVerifiedContacts.VerifiedTokens)...)
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unverifiedTokens = append(unverifiedTokens, fromProfileShowcaseUnverifiedTokenProto(forIDVerifiedContacts.UnverifiedTokens)...)
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}
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// TODO: validate community membership here (https://github.com/status-im/status-desktop/issues/13081)
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// TODO: validate collectible ownership here (https://github.com/status-im/status-desktop/issues/13073)
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newShowcase := &ProfileShowcase{
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ContactID: contactID,
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Communities: communities,
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Accounts: accounts,
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Collectibles: collectibles,
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VerifiedTokens: verifiedTokens,
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UnverifiedTokens: unverifiedTokens,
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}
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oldShowcase, err := m.persistence.GetProfileShowcaseForContact(contactID)
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if err != nil {
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return err
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}
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if reflect.DeepEqual(newShowcase, oldShowcase) {
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return nil
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}
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err = m.persistence.ClearProfileShowcaseForContact(contactID)
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if err != nil {
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return err
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}
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err = m.persistence.SaveProfileShowcaseForContact(newShowcase)
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if err != nil {
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return err
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}
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state.Response.AddProfileShowcase(newShowcase)
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return nil
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}
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