sig-proxy 0.5.0

Signature-Based (Web3) Authenticating Proxy
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
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
#[allow(dead_code)]
pub mod proxy_admin {
  # [rustfmt :: skip] use ethcontract as ethcontract ;
  #[doc = "Generated by `ethcontract`"]
  #[derive(Clone)]
  pub struct Contract {
    methods: Methods,
  }
  impl Contract {
    #[doc = r" Retrieves the truffle artifact used to generate the type safe"]
    #[doc = r" API for this contract."]
    pub fn artifact() -> &'static self::ethcontract::Artifact {
      use self::ethcontract::private::lazy_static;
      use self::ethcontract::Artifact;
      lazy_static! {
        pub static ref ARTIFACT: Artifact = {
          # [allow (unused_mut)] let mut artifact = Artifact :: from_json ("{\n  \"_format\": \"hh-sol-artifact-1\",\n  \"contractName\": \"ProxyAdmin\",\n  \"sourceName\": \"contracts/proxy/transparent/ProxyAdmin.sol\",\n  \"abi\": [\n    {\n      \"anonymous\": false,\n      \"inputs\": [\n        {\n          \"indexed\": true,\n          \"internalType\": \"address\",\n          \"name\": \"previousOwner\",\n          \"type\": \"address\"\n        },\n        {\n          \"indexed\": true,\n          \"internalType\": \"address\",\n          \"name\": \"newOwner\",\n          \"type\": \"address\"\n        }\n      ],\n      \"name\": \"OwnershipTransferred\",\n      \"type\": \"event\"\n    },\n    {\n      \"inputs\": [\n        {\n          \"internalType\": \"contract TransparentUpgradeableProxy\",\n          \"name\": \"proxy\",\n          \"type\": \"address\"\n        },\n        {\n          \"internalType\": \"address\",\n          \"name\": \"newAdmin\",\n          \"type\": \"address\"\n        }\n      ],\n      \"name\": \"changeProxyAdmin\",\n      \"outputs\": [],\n      \"stateMutability\": \"nonpayable\",\n      \"type\": \"function\"\n    },\n    {\n      \"inputs\": [\n        {\n          \"internalType\": \"contract TransparentUpgradeableProxy\",\n          \"name\": \"proxy\",\n          \"type\": \"address\"\n        }\n      ],\n      \"name\": \"getProxyAdmin\",\n      \"outputs\": [\n        {\n          \"internalType\": \"address\",\n          \"name\": \"\",\n          \"type\": \"address\"\n        }\n      ],\n      \"stateMutability\": \"view\",\n      \"type\": \"function\"\n    },\n    {\n      \"inputs\": [\n        {\n          \"internalType\": \"contract TransparentUpgradeableProxy\",\n          \"name\": \"proxy\",\n          \"type\": \"address\"\n        }\n      ],\n      \"name\": \"getProxyImplementation\",\n      \"outputs\": [\n        {\n          \"internalType\": \"address\",\n          \"name\": \"\",\n          \"type\": \"address\"\n        }\n      ],\n      \"stateMutability\": \"view\",\n      \"type\": \"function\"\n    },\n    {\n      \"inputs\": [],\n      \"name\": \"owner\",\n      \"outputs\": [\n        {\n          \"internalType\": \"address\",\n          \"name\": \"\",\n          \"type\": \"address\"\n        }\n      ],\n      \"stateMutability\": \"view\",\n      \"type\": \"function\"\n    },\n    {\n      \"inputs\": [],\n      \"name\": \"renounceOwnership\",\n      \"outputs\": [],\n      \"stateMutability\": \"nonpayable\",\n      \"type\": \"function\"\n    },\n    {\n      \"inputs\": [\n        {\n          \"internalType\": \"address\",\n          \"name\": \"newOwner\",\n          \"type\": \"address\"\n        }\n      ],\n      \"name\": \"transferOwnership\",\n      \"outputs\": [],\n      \"stateMutability\": \"nonpayable\",\n      \"type\": \"function\"\n    },\n    {\n      \"inputs\": [\n        {\n          \"internalType\": \"contract TransparentUpgradeableProxy\",\n          \"name\": \"proxy\",\n          \"type\": \"address\"\n        },\n        {\n          \"internalType\": \"address\",\n          \"name\": \"implementation\",\n          \"type\": \"address\"\n        }\n      ],\n      \"name\": \"upgrade\",\n      \"outputs\": [],\n      \"stateMutability\": \"nonpayable\",\n      \"type\": \"function\"\n    },\n    {\n      \"inputs\": [\n        {\n          \"internalType\": \"contract TransparentUpgradeableProxy\",\n          \"name\": \"proxy\",\n          \"type\": \"address\"\n        },\n        {\n          \"internalType\": \"address\",\n          \"name\": \"implementation\",\n          \"type\": \"address\"\n        },\n        {\n          \"internalType\": \"bytes\",\n          \"name\": \"data\",\n          \"type\": \"bytes\"\n        }\n      ],\n      \"name\": \"upgradeAndCall\",\n      \"outputs\": [],\n      \"stateMutability\": \"payable\",\n      \"type\": \"function\"\n    }\n  ],\n  \"bytecode\": \"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\",\n  \"deployedBytecode\": \"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\",\n  \"linkReferences\": {},\n  \"deployedLinkReferences\": {}\n}\n") . expect ("valid artifact JSON") ;
          artifact
        };
      }
      &ARTIFACT
    }
    #[doc = r" Creates a new contract instance with the specified `web3`"]
    #[doc = r" provider at the given `Address`."]
    #[doc = r""]
    #[doc = r" Note that this does not verify that a contract with a matching"]
    #[doc = r" `Abi` is actually deployed at the given address."]
    pub fn at<F, T>(
      web3: &self::ethcontract::web3::api::Web3<T>,
      address: self::ethcontract::Address,
    ) -> Self
    where
      F: std::future::Future<
          Output = Result<self::ethcontract::json::Value, self::ethcontract::web3::Error>,
        > + Send
        + 'static,
      T: self::ethcontract::web3::Transport<Out = F> + Send + Sync + 'static,
    {
      Contract::with_deployment_info(web3, address, None)
    }
    #[doc = r" Creates a new contract instance with the specified `web3` provider with"]
    #[doc = r" the given `Abi` at the given `Address` and an optional transaction hash."]
    #[doc = r" This hash is used to retrieve contract related information such as the"]
    #[doc = r" creation block (which is useful for fetching all historic events)."]
    #[doc = r""]
    #[doc = r" Note that this does not verify that a contract with a matching `Abi` is"]
    #[doc = r" actually deployed at the given address nor that the transaction hash,"]
    #[doc = r" when provided, is actually for this contract deployment."]
    pub fn with_deployment_info<F, T>(
      web3: &self::ethcontract::web3::api::Web3<T>,
      address: self::ethcontract::Address,
      deployment_information: Option<ethcontract::common::DeploymentInformation>,
    ) -> Self
    where
      F: std::future::Future<
          Output = Result<self::ethcontract::json::Value, self::ethcontract::web3::Error>,
        > + Send
        + 'static,
      T: self::ethcontract::web3::Transport<Out = F> + Send + Sync + 'static,
    {
      use self::ethcontract::transport::DynTransport;
      use self::ethcontract::web3::api::Web3;
      use self::ethcontract::Instance;
      let transport = DynTransport::new(web3.transport().clone());
      let web3 = Web3::new(transport);
      let abi = Self::artifact().abi.clone();
      let instance = Instance::with_deployment_info(web3, abi, address, deployment_information);
      Contract::from_raw(instance)
    }
    #[doc = r" Creates a contract from a raw instance."]
    fn from_raw(instance: self::ethcontract::dyns::DynInstance) -> Self {
      let methods = Methods { instance };
      Contract { methods }
    }
    #[doc = r" Returns the contract address being used by this instance."]
    pub fn address(&self) -> self::ethcontract::Address {
      self.raw_instance().address()
    }
    #[doc = r" Returns the deployment information of the contract"]
    #[doc = r" if it is known, `None` otherwise."]
    pub fn deployment_information(&self) -> Option<ethcontract::common::DeploymentInformation> {
      self.raw_instance().deployment_information()
    }
    #[doc = r" Returns a reference to the default method options used by this"]
    #[doc = r" contract."]
    pub fn defaults(&self) -> &self::ethcontract::contract::MethodDefaults {
      &self.raw_instance().defaults
    }
    #[doc = r" Returns a mutable reference to the default method options used"]
    #[doc = r" by this contract."]
    pub fn defaults_mut(&mut self) -> &mut self::ethcontract::contract::MethodDefaults {
      &mut self.raw_instance_mut().defaults
    }
    #[doc = r" Returns a reference to the raw runtime instance used by this"]
    #[doc = r" contract."]
    pub fn raw_instance(&self) -> &self::ethcontract::dyns::DynInstance {
      &self.methods.instance
    }
    #[doc = r" Returns a mutable reference to the raw runtime instance used by"]
    #[doc = r" this contract."]
    fn raw_instance_mut(&mut self) -> &mut self::ethcontract::dyns::DynInstance {
      &mut self.methods.instance
    }
  }
  impl std::fmt::Debug for Contract {
    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
      f.debug_tuple(stringify!(ProxyAdmin))
        .field(&self.address())
        .finish()
    }
  }
  impl Contract {
    #[doc = "Generated by `ethcontract`"]
    #[allow(clippy::too_many_arguments)]
    pub fn builder<F, T>(
      web3: &self::ethcontract::web3::api::Web3<T>,
    ) -> self::ethcontract::dyns::DynDeployBuilder<Self>
    where
      F: std::future::Future<
          Output = Result<self::ethcontract::json::Value, self::ethcontract::web3::Error>,
        > + Send
        + 'static,
      T: self::ethcontract::web3::Transport<Out = F> + Send + Sync + 'static,
    {
      use self::ethcontract::contract::DeployBuilder;
      use self::ethcontract::dyns::DynTransport;
      use self::ethcontract::web3::api::Web3;
      let transport = DynTransport::new(web3.transport().clone());
      let web3 = Web3::new(transport);
      let bytecode = Self::artifact().bytecode.clone();
      DeployBuilder::new(web3, bytecode, ()).expect("valid deployment args")
    }
  }
  impl self::ethcontract::contract::Deploy<self::ethcontract::dyns::DynTransport> for Contract {
    type Context = self::ethcontract::common::Bytecode;
    fn bytecode(cx: &Self::Context) -> &self::ethcontract::common::Bytecode {
      cx
    }
    fn abi(_: &Self::Context) -> &self::ethcontract::common::Abi {
      &Self::artifact().abi
    }
    fn from_deployment(
      web3: self::ethcontract::dyns::DynWeb3,
      address: self::ethcontract::Address,
      transaction_hash: self::ethcontract::H256,
      _: Self::Context,
    ) -> Self {
      Self::with_deployment_info(&web3, address, Some(transaction_hash.into()))
    }
  }
  impl Contract {
    #[doc = r" Retrieves a reference to type containing all the generated"]
    #[doc = r" contract methods. This can be used for methods where the name"]
    #[doc = r" would collide with a common method (like `at` or `deployed`)."]
    pub fn methods(&self) -> &Methods {
      &self.methods
    }
  }
  #[doc = r" Type containing all contract methods for generated contract type."]
  #[derive(Clone)]
  pub struct Methods {
    instance: self::ethcontract::dyns::DynInstance,
  }
  #[allow(clippy::too_many_arguments, clippy::type_complexity)]
  impl Methods {
    #[doc = "Generated by `ethcontract`"]
    pub fn change_proxy_admin(
      &self,
      proxy: self::ethcontract::Address,
      new_admin: self::ethcontract::Address,
    ) -> self::ethcontract::dyns::DynMethodBuilder<()> {
      self
        .instance
        .method([126, 255, 39, 94], (proxy, new_admin))
        .expect("generated call")
    }
    #[doc = "Generated by `ethcontract`"]
    pub fn get_proxy_admin(
      &self,
      proxy: self::ethcontract::Address,
    ) -> self::ethcontract::dyns::DynViewMethodBuilder<self::ethcontract::Address> {
      self
        .instance
        .view_method([243, 183, 222, 173], (proxy,))
        .expect("generated call")
    }
    #[doc = "Generated by `ethcontract`"]
    pub fn renounce_ownership(&self) -> self::ethcontract::dyns::DynMethodBuilder<()> {
      self
        .instance
        .method([113, 80, 24, 166], ())
        .expect("generated call")
    }
    #[doc = "Generated by `ethcontract`"]
    pub fn upgrade(
      &self,
      proxy: self::ethcontract::Address,
      implementation: self::ethcontract::Address,
    ) -> self::ethcontract::dyns::DynMethodBuilder<()> {
      self
        .instance
        .method([153, 168, 142, 196], (proxy, implementation))
        .expect("generated call")
    }
    #[doc = "Generated by `ethcontract`"]
    pub fn transfer_ownership(
      &self,
      new_owner: self::ethcontract::Address,
    ) -> self::ethcontract::dyns::DynMethodBuilder<()> {
      self
        .instance
        .method([242, 253, 227, 139], (new_owner,))
        .expect("generated call")
    }
    #[doc = "Generated by `ethcontract`"]
    pub fn upgrade_and_call(
      &self,
      proxy: self::ethcontract::Address,
      implementation: self::ethcontract::Address,
      data: self::ethcontract::tokens::Bytes<Vec<u8>>,
    ) -> self::ethcontract::dyns::DynMethodBuilder<()> {
      self
        .instance
        .method([150, 35, 96, 157], (proxy, implementation, data))
        .expect("generated call")
    }
    #[doc = "Generated by `ethcontract`"]
    pub fn owner(
      &self,
    ) -> self::ethcontract::dyns::DynViewMethodBuilder<self::ethcontract::Address> {
      self
        .instance
        .view_method([141, 165, 203, 91], ())
        .expect("generated call")
    }
    #[doc = "Generated by `ethcontract`"]
    pub fn get_proxy_implementation(
      &self,
      proxy: self::ethcontract::Address,
    ) -> self::ethcontract::dyns::DynViewMethodBuilder<self::ethcontract::Address> {
      self
        .instance
        .view_method([32, 78, 28, 122], (proxy,))
        .expect("generated call")
    }
  }
  impl std::ops::Deref for Contract {
    type Target = Methods;
    fn deref(&self) -> &Self::Target {
      &self.methods
    }
  }
  #[doc = r" Module containing all generated data models for this contract's"]
  #[doc = r" events."]
  pub mod event_data {
    use super::ethcontract;
    #[derive(Clone, Debug, Default, Eq, PartialEq, serde :: Deserialize, serde :: Serialize)]
    pub struct OwnershipTransferred {
      pub previous_owner: self::ethcontract::Address,
      pub new_owner: self::ethcontract::Address,
    }
    impl OwnershipTransferred {
      #[doc = r" Retrieves the signature for the event this data corresponds to."]
      #[doc = r" This signature is the Keccak-256 hash of the ABI signature of"]
      #[doc = r" this event."]
      pub fn signature() -> self::ethcontract::H256 {
        self::ethcontract::H256([
          139, 224, 7, 156, 83, 22, 89, 20, 19, 68, 205, 31, 208, 164, 242, 132, 25, 73, 127, 151,
          34, 163, 218, 175, 227, 180, 24, 111, 107, 100, 87, 224,
        ])
      }
      #[doc = r" Retrieves the ABI signature for the event this data corresponds"]
      #[doc = r" to. For this event the value should always be:"]
      #[doc = r""]
      #[doc = "`OwnershipTransferred(address,address)`"]
      pub fn abi_signature() -> &'static str {
        "OwnershipTransferred(address,address)"
      }
    }
    impl self::ethcontract::tokens::Tokenize for OwnershipTransferred {
      fn from_token(
        token: self::ethcontract::common::abi::Token,
      ) -> Result<Self, self::ethcontract::tokens::Error> {
        let (previous_owner, new_owner) = self::ethcontract::tokens::Tokenize::from_token(token)?;
        Ok(OwnershipTransferred {
          previous_owner,
          new_owner,
        })
      }
      fn into_token(self) -> self::ethcontract::common::abi::Token {
        unimplemented!("events are only decoded, not encoded")
      }
    }
  }
  impl Contract {
    #[doc = r" Retrieves a handle to a type containing for creating event"]
    #[doc = r" streams for all the contract events."]
    pub fn events(&self) -> Events<'_> {
      Events {
        instance: self.raw_instance(),
      }
    }
  }
  pub struct Events<'a> {
    instance: &'a self::ethcontract::dyns::DynInstance,
  }
  impl Events<'_> {
    #[doc = r" Generated by `ethcontract`."]
    pub fn ownership_transferred(&self) -> self::event_builders::OwnershipTransferredBuilder {
      self::event_builders::OwnershipTransferredBuilder(
        self
          .instance
          .event(self::ethcontract::H256([
            139, 224, 7, 156, 83, 22, 89, 20, 19, 68, 205, 31, 208, 164, 242, 132, 25, 73, 127,
            151, 34, 163, 218, 175, 227, 180, 24, 111, 107, 100, 87, 224,
          ]))
          .expect("generated event filter"),
      )
    }
  }
  #[doc = r" Module containing the generated event stream builders with type safe"]
  #[doc = r" filter methods for this contract's events."]
  pub mod event_builders {
    use super::ethcontract;
    use super::event_data;
    #[doc = "A builder for creating a filtered stream of `OwnershipTransferred` events."]
    pub struct OwnershipTransferredBuilder(
      #[doc = r" The inner event builder."]
      pub  self::ethcontract::dyns::DynEventBuilder<self::event_data::OwnershipTransferred>,
    );
    impl OwnershipTransferredBuilder {
      #[doc = r" Sets the starting block from which to stream logs for."]
      #[doc = r""]
      #[doc = r" If left unset defaults to the latest block."]
      #[allow(clippy::wrong_self_convention)]
      pub fn from_block(mut self, block: self::ethcontract::BlockNumber) -> Self {
        self.0 = (self.0).from_block(block);
        self
      }
      #[doc = r" Sets the last block from which to stream logs for."]
      #[doc = r""]
      #[doc = r" If left unset defaults to the streaming until the end of days."]
      #[allow(clippy::wrong_self_convention)]
      pub fn to_block(mut self, block: self::ethcontract::BlockNumber) -> Self {
        self.0 = (self.0).to_block(block);
        self
      }
      #[doc = r" Limit the number of events that can be retrieved by this filter."]
      #[doc = r""]
      #[doc = r" Note that this parameter is non-standard."]
      pub fn limit(mut self, value: usize) -> Self {
        self.0 = (self.0).limit(value);
        self
      }
      #[doc = r" The polling interval. This is used as the interval between"]
      #[doc = r" consecutive `eth_getFilterChanges` calls to get filter updates."]
      pub fn poll_interval(mut self, value: std::time::Duration) -> Self {
        self.0 = (self.0).poll_interval(value);
        self
      }
      #[doc = "Adds a filter for the previousOwner event parameter."]
      pub fn previous_owner(
        mut self,
        topic: self::ethcontract::Topic<self::ethcontract::Address>,
      ) -> Self {
        self.0 = (self.0).topic0(topic);
        self
      }
      #[doc = "Adds a filter for the newOwner event parameter."]
      pub fn new_owner(
        mut self,
        topic: self::ethcontract::Topic<self::ethcontract::Address>,
      ) -> Self {
        self.0 = (self.0).topic1(topic);
        self
      }
      #[doc = r" Returns a future that resolves with a collection of all existing"]
      #[doc = r" logs matching the builder parameters."]
      pub async fn query(
        self,
      ) -> std::result::Result<
        std::vec::Vec<self::ethcontract::Event<self::event_data::OwnershipTransferred>>,
        self::ethcontract::errors::EventError,
      > {
        (self.0).query().await
      }
      #[doc = r" Creates an event stream from the current event builder."]
      pub fn stream(
        self,
      ) -> impl self::ethcontract::futures::stream::Stream<
        Item = std::result::Result<
          self::ethcontract::StreamEvent<self::event_data::OwnershipTransferred>,
          self::ethcontract::errors::EventError,
        >,
      > {
        (self.0).stream()
      }
    }
  }
  impl Contract {
    #[doc = r" Returns a log stream with all events."]
    pub fn all_events(&self) -> self::ethcontract::dyns::DynAllEventsBuilder<Event> {
      self::ethcontract::dyns::DynAllEventsBuilder::new(
        self.raw_instance().web3(),
        self.address(),
        self.deployment_information(),
      )
    }
  }
  #[doc = r" A contract event."]
  #[derive(Clone, Debug, Eq, PartialEq, serde :: Deserialize, serde :: Serialize)]
  pub enum Event {
    OwnershipTransferred(self::event_data::OwnershipTransferred),
  }
  impl self::ethcontract::contract::ParseLog for Event {
    fn parse_log(
      log: self::ethcontract::RawLog,
    ) -> Result<Self, self::ethcontract::errors::ExecutionError> {
      let standard_event = log . topics . get (0) . copied () . map (| topic | match topic { self :: ethcontract :: H256 ([139 , 224 , 7 , 156 , 83 , 22 , 89 , 20 , 19 , 68 , 205 , 31 , 208 , 164 , 242 , 132 , 25 , 73 , 127 , 151 , 34 , 163 , 218 , 175 , 227 , 180 , 24 , 111 , 107 , 100 , 87 , 224]) => Ok (Event :: OwnershipTransferred (log . clone () . decode (Contract :: artifact () . abi . event ("OwnershipTransferred") . expect ("generated event decode")) ?)) , _ => Err (self :: ethcontract :: errors :: ExecutionError :: from (self :: ethcontract :: common :: abi :: Error :: InvalidData)) , }) ;
      if let Some(Ok(data)) = standard_event {
        return Ok(data);
      }
      Err(self::ethcontract::errors::ExecutionError::from(
        self::ethcontract::common::abi::Error::InvalidData,
      ))
    }
  }
}
pub use self::proxy_admin::Contract as ProxyAdmin;