ant_protocol/messages/
response.rs

1// Copyright 2024 MaidSafe.net limited.
2//
3// This SAFE Network Software is licensed to you under The General Public License (GPL), version 3.
4// Unless required by applicable law or agreed to in writing, the SAFE Network Software distributed
5// under the GPL Licence is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
6// KIND, either express or implied. Please review the Licences for the specific language governing
7// permissions and limitations relating to use of the SAFE Network Software.
8
9use crate::{error::Result, NetworkAddress};
10
11use super::ChunkProof;
12use ant_evm::PaymentQuote;
13use bytes::Bytes;
14use core::fmt;
15use libp2p::Multiaddr;
16use serde::{Deserialize, Serialize};
17use std::fmt::Debug;
18
19/// The response to a query, containing the query result.
20#[derive(Clone, PartialEq, Eq, Serialize, Deserialize)]
21pub enum QueryResponse {
22    // ===== GetStoreQuote =====
23    //
24    /// Response to [`GetStoreQuote`]
25    ///
26    /// [`GetStoreQuote`]: crate::messages::Query::GetStoreQuote
27    GetStoreQuote {
28        /// The store cost quote for storing the next record.
29        quote: Result<PaymentQuote>,
30        /// Node's Peer Address
31        peer_address: NetworkAddress,
32        /// Storage proofs based on requested target address and difficulty
33        storage_proofs: Vec<(NetworkAddress, Result<ChunkProof>)>,
34    },
35    CheckNodeInProblem {
36        /// Address of the peer that queried
37        reporter_address: NetworkAddress,
38        /// Address of the target to be queried
39        target_address: NetworkAddress,
40        /// Status flag indicating whether the target is in trouble
41        is_in_trouble: bool,
42    },
43    // ===== ReplicatedRecord =====
44    //
45    /// Response to [`GetReplicatedRecord`]
46    ///
47    /// [`GetReplicatedRecord`]: crate::messages::Query::GetReplicatedRecord
48    GetReplicatedRecord(Result<(NetworkAddress, Bytes)>),
49    // ===== ChunkExistenceProof =====
50    //
51    /// Response to [`GetChunkExistenceProof`]
52    ///
53    /// [`GetChunkExistenceProof`]: crate::messages::Query::GetChunkExistenceProof
54    GetChunkExistenceProof(Vec<(NetworkAddress, Result<ChunkProof>)>),
55    // ===== GetClosestPeers =====
56    //
57    /// Response to [`GetClosestPeers`]
58    ///
59    /// [`GetClosestPeers`]: crate::messages::Query::GetClosestPeers
60    GetClosestPeers {
61        // The target address that the original request is about.
62        target: NetworkAddress,
63        // `Multiaddr` is required to allow the requester to dial the peer
64        // Note: the list doesn't contain the node that being queried.
65        peers: Vec<(NetworkAddress, Vec<Multiaddr>)>,
66        // Signature of signing the above (if requested), for future economic model usage.
67        signature: Option<Vec<u8>>,
68    },
69    /// *** From now on, the order of variants shall be retained to be backward compatible
70    // ===== GetVersion =====
71    //
72    /// Response to [`GetVersion`]
73    ///
74    /// [`GetVersion`]: crate::messages::Query::GetVersion
75    GetVersion {
76        peer: NetworkAddress,
77        version: String,
78    },
79    /// Response to [`PutRecord`]
80    ///
81    /// [`PutRecord`]: crate::messages::Query::PutRecord
82    PutRecord {
83        /// Result of record upload.
84        result: Result<()>,
85        /// Node's Peer Address
86        peer_address: NetworkAddress,
87        /// Correspondent Record Address
88        record_addr: NetworkAddress,
89    },
90}
91
92// Debug implementation for QueryResponse, to avoid printing Vec<u8>
93impl Debug for QueryResponse {
94    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
95        match self {
96            QueryResponse::GetStoreQuote {
97                quote,
98                peer_address,
99                storage_proofs,
100            } => {
101                let payment_address = quote.as_ref().map(|q| q.rewards_address).ok();
102                write!(
103                    f,
104                    "GetStoreQuote(quote: {quote:?}, from {peer_address:?} w/ payment_address: {payment_address:?}, and {} storage proofs)",
105                    storage_proofs.len()
106                )
107            }
108            QueryResponse::CheckNodeInProblem {
109                reporter_address,
110                target_address,
111                is_in_trouble,
112            } => {
113                write!(
114                    f,
115                    "CheckNodeInProblem({reporter_address:?} report target {target_address:?} as {is_in_trouble:?} in problem"
116                )
117            }
118            QueryResponse::GetReplicatedRecord(result) => match result {
119                Ok((holder, data)) => {
120                    write!(
121                        f,
122                        "GetReplicatedRecord(Ok((holder: {:?}, datalen: {:?})))",
123                        holder,
124                        data.len()
125                    )
126                }
127                Err(err) => {
128                    write!(f, "GetReplicatedRecord(Err({err:?}))")
129                }
130            },
131            QueryResponse::GetChunkExistenceProof(proofs) => {
132                let addresses: Vec<_> = proofs.iter().map(|(addr, _)| addr.clone()).collect();
133                write!(f, "GetChunkExistenceProof(checked chunks: {addresses:?})")
134            }
135            QueryResponse::GetClosestPeers { target, peers, .. } => {
136                let addresses: Vec<_> = peers.iter().map(|(addr, _)| addr.clone()).collect();
137                write!(
138                    f,
139                    "GetClosestPeers target {target:?} close peers {addresses:?}"
140                )
141            }
142            QueryResponse::GetVersion { peer, version } => {
143                write!(f, "GetVersion peer {peer:?} has version of {version:?}")
144            }
145            QueryResponse::PutRecord {
146                result,
147                peer_address,
148                record_addr,
149            } => {
150                write!(
151                    f,
152                    "PutRecord(Record {record_addr:?} uploaded to {peer_address:?} with result {result:?})",
153                )
154            }
155        }
156    }
157}
158
159/// The response to a Cmd, containing the query result.
160#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
161pub enum CmdResponse {
162    //
163    // ===== Replication =====
164    //
165    /// Response to replication cmd
166    Replicate(Result<()>),
167    /// Response to fresh replication cmd
168    FreshReplicate(Result<()>),
169    //
170    // ===== PeerConsideredAsBad =====
171    //
172    /// Response to the considered as bad notification
173    PeerConsideredAsBad(Result<()>),
174}