status-go/eth-node/types/mailserver.go

85 lines
2.4 KiB
Go

package types
import (
"time"
)
const (
// MaxLimitInMessagesRequest represents the maximum number of messages
// that can be requested from the mailserver
MaxLimitInMessagesRequest = 1000
)
// MessagesRequest contains details of a request of historic messages.
type MessagesRequest struct {
// ID of the request. The current implementation requires ID to be 32-byte array,
// however, it's not enforced for future implementation.
ID []byte `json:"id"`
// From is a lower bound of time range.
From uint32 `json:"from"`
// To is a upper bound of time range.
To uint32 `json:"to"`
// Limit determines the number of messages sent by the mail server
// for the current paginated request.
Limit uint32 `json:"limit"`
// Cursor is used as starting point for paginated requests.
Cursor []byte `json:"cursor"`
// StoreCursor is used as starting point for WAKUV2 paginatedRequests
StoreCursor StoreRequestCursor `json:"storeCursor"`
// Bloom is a filter to match requested messages.
Bloom []byte `json:"bloom"`
// PubsubTopic is the gossipsub topic on which the message was broadcasted
PubsubTopic string `json:"pubsubTopic"`
// ContentTopics is a list of topics. A returned message should
// belong to one of the topics from the list.
ContentTopics [][]byte `json:"contentTopics"`
}
type StoreRequestCursor []byte
// SetDefaults sets the From and To defaults
func (r *MessagesRequest) SetDefaults(now time.Time) {
// set From and To defaults
if r.To == 0 {
r.To = uint32(now.UTC().Unix())
}
if r.From == 0 {
oneDay := uint32(86400) // -24 hours
if r.To < oneDay {
r.From = 0
} else {
r.From = r.To - oneDay
}
}
}
// MailServerResponse is the response payload sent by the mailserver.
type MailServerResponse struct {
LastEnvelopeHash Hash
Cursor []byte
Error error
}
// SyncMailRequest contains details which envelopes should be synced
// between Mail Servers.
type SyncMailRequest struct {
// Lower is a lower bound of time range for which messages are requested.
Lower uint32
// Upper is a lower bound of time range for which messages are requested.
Upper uint32
// Bloom is a bloom filter to filter envelopes.
Bloom []byte
// Limit is the max number of envelopes to return.
Limit uint32
// Cursor is used for pagination of the results.
Cursor []byte
}
// SyncEventResponse is a response from the Mail Server
// form which the peer received envelopes.
type SyncEventResponse struct {
Cursor []byte
Error string
}