libmonero 0.1.9

Batteries-included Monero Library
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289

/*
 * This file is part of Monume's library libmonero
 *
 * Copyright (c) 2023-2024, Monume (monume.xyz)
 * All Rights Reserved
 * The code is distributed under MIT license, see LICENSE file for details.
 * Generated by Monume
 *
 */

use std::io::Cursor;

use super::{block::{Block, BlockDetailsJSON, BlockHeader, EcdhInfo, Gen, KeyRawTx, MinerTxInfo, RawTx, RctSignatures, RctsigPrunable, TaggedKey, Target, Vin, VinRawTx, Vout, BPP, CLSAG}, nodes::DaemonNode};

fn get_json_rpc_url(node: DaemonNode) -> String {
    match node.tls {
        true => format!("https://{}:{}/json_rpc", node.url, node.port),
        false => format!("http://{}:{}/json_rpc", node.url, node.port),
    }
}

fn get_rpc_url(node: DaemonNode) -> String {
    match node.tls {
        true => format!("https://{}:{}", node.url, node.port),
        false => format!("http://{}:{}", node.url, node.port),
    }
}

/// Gets the block from the given daemon by its height
/// Returns the block as a Block struct if succesfull
/// Returns an error message if not succesfull
/// 
/// Example:
/// ```
/// use libmonero::blocks::get_block_from_height;
/// use libmonero::blocks::DaemonNode;
/// 
/// let block = get_block_from_height(3000000, DaemonNode::cake_wallet_default()).unwrap();
/// println!("Block hash: {}", block.block_header.hash);
/// ```
pub fn get_block_from_height(block_height: u64, node: DaemonNode) -> Result<Block, String> {
    let rpc_url = get_json_rpc_url(node);
    let response = ureq::post(&rpc_url)
        .set("Content-Type", "application/json")
        .send_json(ureq::json!({
            "jsonrpc": "2.0",
            "id": "0",
            "method": "get_block",
            "params": {
                "height": block_height
            }
        }));
    if let Err(e) = response.as_ref() {
        return Err(format!("Error while getting the block from daemon: {}", e));
    }
    let response:  serde_json::Value = response.unwrap().into_json().unwrap();
    let block_header = BlockHeader {
        block_size: response["result"]["block_header"]["block_size"].as_u64().unwrap(),
        block_weight: response["result"]["block_header"]["block_weight"].as_u64().unwrap(),
        cumulative_difficulty: response["result"]["block_header"]["cumulative_difficulty"].as_u64().unwrap(),
        cumulative_difficulty_top64: response["result"]["block_header"]["cumulative_difficulty_top64"].as_u64().unwrap(),
        depth: response["result"]["block_header"]["depth"].as_u64().unwrap(),
        difficulty: response["result"]["block_header"]["difficulty"].as_u64().unwrap(),
        difficulty_top64: response["result"]["block_header"]["difficulty_top64"].as_u64().unwrap(),
        hash: response["result"]["block_header"]["hash"].as_str().unwrap().to_string(),
        height: response["result"]["block_header"]["height"].as_u64().unwrap(),
        long_term_weight: response["result"]["block_header"]["long_term_weight"].as_u64().unwrap(),
        major_version: response["result"]["block_header"]["major_version"].as_u64().unwrap(),
        miner_tx_hash: response["result"]["block_header"]["miner_tx_hash"].as_str().unwrap().to_string(),
        minor_version: response["result"]["block_header"]["minor_version"].as_u64().unwrap(),
        nonce: response["result"]["block_header"]["nonce"].as_u64().unwrap(),
        num_txes: response["result"]["block_header"]["num_txes"].as_u64().unwrap(),
        orphan_status: response["result"]["block_header"]["orphan_status"].as_bool().unwrap(),
        pow_hash: response["result"]["block_header"]["pow_hash"].as_str().unwrap().to_string(),
        prev_hash: response["result"]["block_header"]["prev_hash"].as_str().unwrap().to_string(),
        reward: response["result"]["block_header"]["reward"].as_u64().unwrap(),
        timestamp: response["result"]["block_header"]["timestamp"].as_u64().unwrap(),
        wide_cumulative_difficulty: response["result"]["block_header"]["wide_cumulative_difficulty"].as_str().unwrap().to_string(),
        wide_difficulty: response["result"]["block_header"]["wide_difficulty"].as_str().unwrap().to_string(),
    };
    let json = response["result"]["json"].as_str().unwrap().to_string();
    let parsed_json: serde_json::Value = serde_json::from_str(&json).unwrap_or(serde_json::Value::Null);
    if parsed_json.is_null() {
        return Err("Error while parsing the block JSON".to_string());
    }
    let vin_array = parsed_json["miner_tx"]["vin"].as_array().unwrap();
    let mut vin_vec: Vec<Vin> = Vec::new();
    for vin in vin_array {
        vin_vec.push(Vin {
            gen: Gen {
                height: vin["gen"]["height"].as_u64().unwrap_or(0),
            }
        });
    };
    let vout_array = parsed_json["miner_tx"]["vout"].as_array().unwrap();
    let mut vout_vec: Vec<Vout> = Vec::new();
    for vout in vout_array {
        vout_vec.push(Vout {
            amount: vout["amount"].as_u64().unwrap_or(0),
            target: Target {
                tagged_key: TaggedKey {
                    key: vout["target"]["key"].as_str().unwrap_or("").to_string(),
                    view_tag: vout["target"]["view_tag"].as_str().unwrap_or("").to_string(),
                }
            }
        });
    };
    Ok(Block {
        blob: response["result"]["blob"].as_str().unwrap_or("").to_string(),
        block_header,
        credits: response["result"]["credits"].as_u64().unwrap_or(0),
        json: BlockDetailsJSON {
            major_version: parsed_json["major_version"].as_u64().unwrap_or(0),
            minor_version: parsed_json["minor_version"].as_u64().unwrap_or(0),
            timestamp: parsed_json["timestamp"].as_u64().unwrap_or(0),
            prev_id: parsed_json["prev_id"].as_str().unwrap_or("").to_string(),
            nonce: parsed_json["nonce"].as_u64().unwrap_or(0),
            miner_tx: MinerTxInfo {
                version: parsed_json["miner_tx"]["version"].as_u64().unwrap_or(0),
                unlock_time: parsed_json["miner_tx"]["unlock_time"].as_u64().unwrap_or(0),
                vin: vin_vec,
                vout: vout_vec,
                extra: parsed_json["miner_tx"]["extra"].as_str().unwrap_or("").as_bytes().to_vec(),
                rct_signatures: RctSignatures {
                    type_int: parsed_json["miner_tx"]["rct_signatures"]["type"].as_u64().unwrap_or(0),
                    txn_fee: 0,
                    ecdh_info: Vec::new(),
                    out_pk: Vec::new(),
                }
            },
            tx_hashes: parsed_json["tx_hashes"].as_array().unwrap().to_vec().iter().map(|x| x.as_str().unwrap().to_string()).collect(),
        },
        miner_tx_hash: response["result"]["miner_tx_hash"].as_str().unwrap_or("").to_string(),
        status: response["result"]["status"].as_str().unwrap_or("ERROR").to_string(),
        top_hash: response["result"]["top_hash"].as_str().unwrap_or("").to_string(),
        untrusted: response["result"]["untrusted"].as_bool().unwrap_or(false),
    })
}

/// Gets the current height of the blockchain from the given daemon
/// Returns the height as a u64 if succesfull
/// Returns an error message if not succesfull
/// 
/// Example:
/// ```
/// use libmonero::blocks::get_height;
/// use libmonero::blocks::DaemonNode;
/// 
/// let height = get_height(DaemonNode::cake_wallet_default()).unwrap();
/// println!("Current height: {}", height);
/// ```
pub fn get_height(node: DaemonNode) -> Result<u64, String> {
    let rpc_url = get_rpc_url(node);
    let reader = Cursor::new(Vec::new());
    let response = ureq::get(format!("{}/get_height", &rpc_url).as_str())
        .set("Content-Type", "application/json").send(reader);
    if let Err(e) = response.as_ref() {
        return Err(format!("Error while getting the block count (height) from daemon: {}", e));
    }
    let response:  serde_json::Value = response.unwrap().into_json().unwrap_or(serde_json::Value::Null);
    if response.is_null() {
        return Err("Error while parsing the block count (height) JSON".to_string());
    }
    Ok(response["height"].as_u64().unwrap_or(0))
}

/// Gets the transaction from the given daemon by its hash
/// Returns the transaction as a RawTx struct if succesfull
/// Returns an error message if not succesfull
/// 
/// Example:
/// ```
/// use libmonero::blocks::get_transaction_from_hash;
/// use libmonero::blocks::DaemonNode;
/// 
/// let tx_hash = "e4516854a5984eaf5f8750ac7af41d1e0b2c602a2297a673001e8c0af88eba11";
/// let tx = get_transaction_from_hash(tx_hash.to_string(), DaemonNode::cake_wallet_default()).unwrap();
/// println!("Unlock time: {}", tx.unlock_time);
/// ```
pub fn get_transaction_from_hash(hash: String, node: DaemonNode) -> Result<RawTx, String> {
    let rpc_url = format!("{}/get_transactions", get_rpc_url(node));
    let response = ureq::post(&rpc_url)
        .set("Content-Type", "application/json")
        .send_json(ureq::json!({
            "txs_hashes": [hash],
            "decode_as_json": true,
        }));
    if let Err(e) = response.as_ref() {
        return Err(format!("Error while getting the transaction from daemon: {}", e));
    }
    let response: serde_json::Value = response.unwrap().into_json().unwrap_or(serde_json::Value::Null);
    if response.is_null() {
        return Err("Error while parsing the transaction JSON".to_string());
    }
    let json_part = response["txs"][0]["as_json"].as_str().unwrap_or("").to_string();
    if json_part.is_empty() {
        return Err("Error while getting the as_json part".to_string());
    }
    let json_final = serde_json::from_str(&json_part).unwrap_or(serde_json::Value::Null);
    if json_final.is_null() {
        return Err("Error while parsing the as_json part".to_string());
    }
    let mut vin_raw_tx = Vec::new();
    for vin in json_final["vin"].as_array().unwrap().iter() {
        vin_raw_tx.push(VinRawTx {
            key: KeyRawTx {
                amount: vin["key"]["amount"].as_u64().unwrap_or(0),
                key_offsets: vin["key"]["key_offsets"].as_array().unwrap_or(&Vec::new()).to_vec().iter().map(|x| x.as_u64().unwrap_or(0)).collect(),
                k_image: vin["key"]["k_image"].as_str().unwrap_or("").to_string(),
            }
        });
    }
    let mut vout_raw_tx = Vec::new();
    for vout in json_final["vout"].as_array().unwrap().iter() {
        vout_raw_tx.push(Vout {
            amount: vout["amount"].as_u64().unwrap_or(0),
            target: Target {
                tagged_key: TaggedKey {
                    key: vout["target"]["tagged_key"]["key"].as_str().unwrap_or("").to_string(),
                    view_tag: vout["target"]["tagged_key"]["view_tag"].as_str().unwrap_or("").to_string(),
                }
            }
        });
    }
    let mut ecdh_raw_tx = Vec::new();
    for ecdh in json_final["rct_signatures"]["ecdhInfo"].as_array().unwrap().iter() {
        ecdh_raw_tx.push(EcdhInfo {
            trunc_amount: ecdh["trunc_amount"].as_str().unwrap_or("").to_string(),
        });
    }
    let mut bpp_raw_tx = Vec::new();
    for bpp in json_final["rctsig_prunable"]["bpp"].as_array().unwrap().iter() {
        bpp_raw_tx.push(BPP {
            A: bpp["A"].as_str().unwrap_or("").to_string(),
            A1: bpp["A1"].as_str().unwrap_or("").to_string(),
            B: bpp["B"].as_str().unwrap_or("").to_string(),
            r1: bpp["r1"].as_str().unwrap_or("").to_string(),
            s1: bpp["s1"].as_str().unwrap_or("").to_string(),
            d1: bpp["d1"].as_str().unwrap_or("").to_string(),
            L: {
                let mut l = Vec::new();
                for l_part in bpp["L"].as_array().unwrap_or(&Vec::new()).to_vec().iter() {
                    l.push(l_part.as_str().unwrap_or("").to_string());
                }
                l
            },
            R: {
                let mut r = Vec::new();
                for r_part in bpp["R"].as_array().unwrap_or(&Vec::new()).to_vec().iter() {
                    r.push(r_part.as_str().unwrap_or("").to_string());
                }
                r
            }
        });
    }
    let mut clsags_raw_tx = Vec::new();
    for clsag in json_final["rctsig_prunable"]["CLSAGs"].as_array().unwrap().iter() {
        clsags_raw_tx.push(CLSAG {
            s: {
                let mut s = Vec::new();
                for s_part in clsag["s"].as_array().unwrap_or(&Vec::new()).to_vec().iter() {
                    s.push(s_part.as_str().unwrap_or("").to_string());
                }
                s
            },
            c1: clsag["c1"].as_str().unwrap_or("").to_string(),
            D: clsag["D"].as_str().unwrap_or("").to_string(),
        });
    }
    Ok(RawTx {
        version: json_final["version"].as_u64().unwrap_or(0),
        unlock_time: json_final["unlock_time"].as_u64().unwrap_or(0),
        vin: vin_raw_tx,
        vout: vout_raw_tx,
        extra: json_final["extra"].as_str().unwrap_or("").as_bytes().to_vec(),
        rct_signatures: RctSignatures {
            type_int: json_final["rct_signatures"]["type"].as_u64().unwrap_or(0),
            txn_fee: json_final["rct_signatures"]["txnFee"].as_u64().unwrap_or(0),
            ecdh_info: ecdh_raw_tx,
            out_pk: json_final["rct_signatures"]["outPk"].as_array().unwrap().to_vec().iter().map(|x| x.as_str().unwrap_or("").to_string()).collect(),
        },
        rctsig_prunable: RctsigPrunable {
            nbp: json_final["rctsig_prunable"]["nbp"].as_u64().unwrap_or(0),
            bpp: bpp_raw_tx,
            CLSAGs: clsags_raw_tx,
            pseudo_outs: json_final["rctsig_prunable"]["pseudoOuts"].as_array().unwrap().to_vec().iter().map(|x| x.as_str().unwrap_or("").to_string()).collect(),
        }
    })
}