81 lines
2.3 KiB
Go
81 lines
2.3 KiB
Go
package statusproto
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import (
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"crypto/ecdsa"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/crypto"
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)
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const (
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contactBlocked = "contact/blocked"
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contactAdded = "contact/added"
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contactRequestReceived = "contact/request-received"
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)
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// ContactDeviceInfo is a struct containing information about a particular device owned by a contact
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type ContactDeviceInfo struct {
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// The installation id of the device
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InstallationID string `json:"id"`
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// Timestamp represents the last time we received this info
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Timestamp int64 `json:"timestamp"`
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// FCMToken is to be used for push notifications
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FCMToken string `json:"fcmToken"`
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}
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// Contact has information about a "Contact". A contact is not necessarily one
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// that we added or added us, that's based on SystemTags.
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type Contact struct {
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// ID of the contact. It's a hex-encoded public key (prefixed with 0x).
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ID string `json:"id"`
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// Ethereum address of the contact
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Address string `json:"address"`
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// Name of contact
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Name string `json:"name,omitempty"`
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// Generated username name of the contact
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Alias string `json:"alias,omitempty"`
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// Identicon generated from public key
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Identicon string `json:"identicon"`
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// Photo is the base64 encoded photo
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Photo string `json:"photoPath,omitempty"`
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// LastUpdated is the last time we received an update from the contact
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// updates should be discarded if last updated is less than the one stored
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LastUpdated int64 `json:"lastUpdated"`
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// SystemTags contains information about whether we blocked/added/have been
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// added.
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SystemTags []string `json:"systemTags"`
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DeviceInfo []ContactDeviceInfo `json:"deviceInfo"`
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TributeToTalk string `json:"tributeToTalk"`
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}
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func (c Contact) PublicKey() (*ecdsa.PublicKey, error) {
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b, err := hexutil.Decode(c.ID)
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if err != nil {
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return nil, err
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}
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return crypto.UnmarshalPubkey(b)
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}
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func (c Contact) IsAdded() bool {
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return existsInStringSlice(c.SystemTags, contactAdded)
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}
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func (c Contact) HasBeenAdded() bool {
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return existsInStringSlice(c.SystemTags, contactRequestReceived)
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}
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func (c Contact) IsBlocked() bool {
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return existsInStringSlice(c.SystemTags, contactBlocked)
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}
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// existsInStringSlice checks if a string is in a set.
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func existsInStringSlice(set []string, find string) bool {
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for _, s := range set {
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if s == find {
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return true
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}
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}
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return false
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}
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