github.com/theQRL/go-zond@v0.1.1/accounts/abi/bind/template.go (about) 1 // Copyright 2016 The go-ethereum Authors 2 // This file is part of the go-ethereum library. 3 // 4 // The go-ethereum library is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU Lesser General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // The go-ethereum library is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU Lesser General Public License for more details. 13 // 14 // You should have received a copy of the GNU Lesser General Public License 15 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>. 16 17 package bind 18 19 import "github.com/theQRL/go-zond/accounts/abi" 20 21 // tmplData is the data structure required to fill the binding template. 22 type tmplData struct { 23 Package string // Name of the package to place the generated file in 24 Contracts map[string]*tmplContract // List of contracts to generate into this file 25 Libraries map[string]string // Map the bytecode's link pattern to the library name 26 Structs map[string]*tmplStruct // Contract struct type definitions 27 } 28 29 // tmplContract contains the data needed to generate an individual contract binding. 30 type tmplContract struct { 31 Type string // Type name of the main contract binding 32 InputABI string // JSON ABI used as the input to generate the binding from 33 InputBin string // Optional EVM bytecode used to generate deploy code from 34 FuncSigs map[string]string // Optional map: string signature -> 4-byte signature 35 Constructor abi.Method // Contract constructor for deploy parametrization 36 Calls map[string]*tmplMethod // Contract calls that only read state data 37 Transacts map[string]*tmplMethod // Contract calls that write state data 38 Fallback *tmplMethod // Additional special fallback function 39 Receive *tmplMethod // Additional special receive function 40 Events map[string]*tmplEvent // Contract events accessors 41 Libraries map[string]string // Same as tmplData, but filtered to only keep what the contract needs 42 Library bool // Indicator whether the contract is a library 43 } 44 45 // tmplMethod is a wrapper around an abi.Method that contains a few preprocessed 46 // and cached data fields. 47 type tmplMethod struct { 48 Original abi.Method // Original method as parsed by the abi package 49 Normalized abi.Method // Normalized version of the parsed method (capitalized names, non-anonymous args/returns) 50 Structured bool // Whether the returns should be accumulated into a struct 51 } 52 53 // tmplEvent is a wrapper around an abi.Event that contains a few preprocessed 54 // and cached data fields. 55 type tmplEvent struct { 56 Original abi.Event // Original event as parsed by the abi package 57 Normalized abi.Event // Normalized version of the parsed fields 58 } 59 60 // tmplField is a wrapper around a struct field with binding language 61 // struct type definition and relative filed name. 62 type tmplField struct { 63 Type string // Field type representation depends on target binding language 64 Name string // Field name converted from the raw user-defined field name 65 SolKind abi.Type // Raw abi type information 66 } 67 68 // tmplStruct is a wrapper around an abi.tuple and contains an auto-generated 69 // struct name. 70 type tmplStruct struct { 71 Name string // Auto-generated struct name(before solidity v0.5.11) or raw name. 72 Fields []*tmplField // Struct fields definition depends on the binding language. 73 } 74 75 // tmplSource is language to template mapping containing all the supported 76 // programming languages the package can generate to. 77 var tmplSource = map[Lang]string{ 78 LangGo: tmplSourceGo, 79 } 80 81 // tmplSourceGo is the Go source template that the generated Go contract binding 82 // is based on. 83 const tmplSourceGo = ` 84 // Code generated - DO NOT EDIT. 85 // This file is a generated binding and any manual changes will be lost. 86 87 package {{.Package}} 88 89 import ( 90 "math/big" 91 "strings" 92 "errors" 93 94 ethereum "github.com/theQRL/go-zond" 95 "github.com/theQRL/go-zond/accounts/abi" 96 "github.com/theQRL/go-zond/accounts/abi/bind" 97 "github.com/theQRL/go-zond/common" 98 "github.com/theQRL/go-zond/core/types" 99 "github.com/theQRL/go-zond/event" 100 ) 101 102 // Reference imports to suppress errors if they are not otherwise used. 103 var ( 104 _ = errors.New 105 _ = big.NewInt 106 _ = strings.NewReader 107 _ = zond.NotFound 108 _ = bind.Bind 109 _ = common.Big1 110 _ = types.BloomLookup 111 _ = event.NewSubscription 112 _ = abi.ConvertType 113 ) 114 115 {{$structs := .Structs}} 116 {{range $structs}} 117 // {{.Name}} is an auto generated low-level Go binding around an user-defined struct. 118 type {{.Name}} struct { 119 {{range $field := .Fields}} 120 {{$field.Name}} {{$field.Type}}{{end}} 121 } 122 {{end}} 123 124 {{range $contract := .Contracts}} 125 // {{.Type}}MetaData contains all meta data concerning the {{.Type}} contract. 126 var {{.Type}}MetaData = &bind.MetaData{ 127 ABI: "{{.InputABI}}", 128 {{if $contract.FuncSigs -}} 129 Sigs: map[string]string{ 130 {{range $strsig, $binsig := .FuncSigs}}"{{$binsig}}": "{{$strsig}}", 131 {{end}} 132 }, 133 {{end -}} 134 {{if .InputBin -}} 135 Bin: "0x{{.InputBin}}", 136 {{end}} 137 } 138 // {{.Type}}ABI is the input ABI used to generate the binding from. 139 // Deprecated: Use {{.Type}}MetaData.ABI instead. 140 var {{.Type}}ABI = {{.Type}}MetaData.ABI 141 142 {{if $contract.FuncSigs}} 143 // Deprecated: Use {{.Type}}MetaData.Sigs instead. 144 // {{.Type}}FuncSigs maps the 4-byte function signature to its string representation. 145 var {{.Type}}FuncSigs = {{.Type}}MetaData.Sigs 146 {{end}} 147 148 {{if .InputBin}} 149 // {{.Type}}Bin is the compiled bytecode used for deploying new contracts. 150 // Deprecated: Use {{.Type}}MetaData.Bin instead. 151 var {{.Type}}Bin = {{.Type}}MetaData.Bin 152 153 // Deploy{{.Type}} deploys a new Ethereum contract, binding an instance of {{.Type}} to it. 154 func Deploy{{.Type}}(auth *bind.TransactOpts, backend bind.ContractBackend {{range .Constructor.Inputs}}, {{.Name}} {{bindtype .Type $structs}}{{end}}) (common.Address, *types.Transaction, *{{.Type}}, error) { 155 parsed, err := {{.Type}}MetaData.GetAbi() 156 if err != nil { 157 return common.Address{}, nil, nil, err 158 } 159 if parsed == nil { 160 return common.Address{}, nil, nil, errors.New("GetABI returned nil") 161 } 162 {{range $pattern, $name := .Libraries}} 163 {{decapitalise $name}}Addr, _, _, _ := Deploy{{capitalise $name}}(auth, backend) 164 {{$contract.Type}}Bin = strings.ReplaceAll({{$contract.Type}}Bin, "__${{$pattern}}$__", {{decapitalise $name}}Addr.String()[2:]) 165 {{end}} 166 address, tx, contract, err := bind.DeployContract(auth, *parsed, common.FromHex({{.Type}}Bin), backend {{range .Constructor.Inputs}}, {{.Name}}{{end}}) 167 if err != nil { 168 return common.Address{}, nil, nil, err 169 } 170 return address, tx, &{{.Type}}{ {{.Type}}Caller: {{.Type}}Caller{contract: contract}, {{.Type}}Transactor: {{.Type}}Transactor{contract: contract}, {{.Type}}Filterer: {{.Type}}Filterer{contract: contract} }, nil 171 } 172 {{end}} 173 174 // {{.Type}} is an auto generated Go binding around an Ethereum contract. 175 type {{.Type}} struct { 176 {{.Type}}Caller // Read-only binding to the contract 177 {{.Type}}Transactor // Write-only binding to the contract 178 {{.Type}}Filterer // Log filterer for contract events 179 } 180 181 // {{.Type}}Caller is an auto generated read-only Go binding around an Ethereum contract. 182 type {{.Type}}Caller struct { 183 contract *bind.BoundContract // Generic contract wrapper for the low level calls 184 } 185 186 // {{.Type}}Transactor is an auto generated write-only Go binding around an Ethereum contract. 187 type {{.Type}}Transactor struct { 188 contract *bind.BoundContract // Generic contract wrapper for the low level calls 189 } 190 191 // {{.Type}}Filterer is an auto generated log filtering Go binding around an Ethereum contract events. 192 type {{.Type}}Filterer struct { 193 contract *bind.BoundContract // Generic contract wrapper for the low level calls 194 } 195 196 // {{.Type}}Session is an auto generated Go binding around an Ethereum contract, 197 // with pre-set call and transact options. 198 type {{.Type}}Session struct { 199 Contract *{{.Type}} // Generic contract binding to set the session for 200 CallOpts bind.CallOpts // Call options to use throughout this session 201 TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session 202 } 203 204 // {{.Type}}CallerSession is an auto generated read-only Go binding around an Ethereum contract, 205 // with pre-set call options. 206 type {{.Type}}CallerSession struct { 207 Contract *{{.Type}}Caller // Generic contract caller binding to set the session for 208 CallOpts bind.CallOpts // Call options to use throughout this session 209 } 210 211 // {{.Type}}TransactorSession is an auto generated write-only Go binding around an Ethereum contract, 212 // with pre-set transact options. 213 type {{.Type}}TransactorSession struct { 214 Contract *{{.Type}}Transactor // Generic contract transactor binding to set the session for 215 TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session 216 } 217 218 // {{.Type}}Raw is an auto generated low-level Go binding around an Ethereum contract. 219 type {{.Type}}Raw struct { 220 Contract *{{.Type}} // Generic contract binding to access the raw methods on 221 } 222 223 // {{.Type}}CallerRaw is an auto generated low-level read-only Go binding around an Ethereum contract. 224 type {{.Type}}CallerRaw struct { 225 Contract *{{.Type}}Caller // Generic read-only contract binding to access the raw methods on 226 } 227 228 // {{.Type}}TransactorRaw is an auto generated low-level write-only Go binding around an Ethereum contract. 229 type {{.Type}}TransactorRaw struct { 230 Contract *{{.Type}}Transactor // Generic write-only contract binding to access the raw methods on 231 } 232 233 // New{{.Type}} creates a new instance of {{.Type}}, bound to a specific deployed contract. 234 func New{{.Type}}(address common.Address, backend bind.ContractBackend) (*{{.Type}}, error) { 235 contract, err := bind{{.Type}}(address, backend, backend, backend) 236 if err != nil { 237 return nil, err 238 } 239 return &{{.Type}}{ {{.Type}}Caller: {{.Type}}Caller{contract: contract}, {{.Type}}Transactor: {{.Type}}Transactor{contract: contract}, {{.Type}}Filterer: {{.Type}}Filterer{contract: contract} }, nil 240 } 241 242 // New{{.Type}}Caller creates a new read-only instance of {{.Type}}, bound to a specific deployed contract. 243 func New{{.Type}}Caller(address common.Address, caller bind.ContractCaller) (*{{.Type}}Caller, error) { 244 contract, err := bind{{.Type}}(address, caller, nil, nil) 245 if err != nil { 246 return nil, err 247 } 248 return &{{.Type}}Caller{contract: contract}, nil 249 } 250 251 // New{{.Type}}Transactor creates a new write-only instance of {{.Type}}, bound to a specific deployed contract. 252 func New{{.Type}}Transactor(address common.Address, transactor bind.ContractTransactor) (*{{.Type}}Transactor, error) { 253 contract, err := bind{{.Type}}(address, nil, transactor, nil) 254 if err != nil { 255 return nil, err 256 } 257 return &{{.Type}}Transactor{contract: contract}, nil 258 } 259 260 // New{{.Type}}Filterer creates a new log filterer instance of {{.Type}}, bound to a specific deployed contract. 261 func New{{.Type}}Filterer(address common.Address, filterer bind.ContractFilterer) (*{{.Type}}Filterer, error) { 262 contract, err := bind{{.Type}}(address, nil, nil, filterer) 263 if err != nil { 264 return nil, err 265 } 266 return &{{.Type}}Filterer{contract: contract}, nil 267 } 268 269 // bind{{.Type}} binds a generic wrapper to an already deployed contract. 270 func bind{{.Type}}(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) { 271 parsed, err := {{.Type}}MetaData.GetAbi() 272 if err != nil { 273 return nil, err 274 } 275 return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil 276 } 277 278 // Call invokes the (constant) contract method with params as input values and 279 // sets the output to result. The result type might be a single field for simple 280 // returns, a slice of interfaces for anonymous returns and a struct for named 281 // returns. 282 func (_{{$contract.Type}} *{{$contract.Type}}Raw) Call(opts *bind.CallOpts, result *[]interface{}, method string, params ...interface{}) error { 283 return _{{$contract.Type}}.Contract.{{$contract.Type}}Caller.contract.Call(opts, result, method, params...) 284 } 285 286 // Transfer initiates a plain transaction to move funds to the contract, calling 287 // its default method if one is available. 288 func (_{{$contract.Type}} *{{$contract.Type}}Raw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) { 289 return _{{$contract.Type}}.Contract.{{$contract.Type}}Transactor.contract.Transfer(opts) 290 } 291 292 // Transact invokes the (paid) contract method with params as input values. 293 func (_{{$contract.Type}} *{{$contract.Type}}Raw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) { 294 return _{{$contract.Type}}.Contract.{{$contract.Type}}Transactor.contract.Transact(opts, method, params...) 295 } 296 297 // Call invokes the (constant) contract method with params as input values and 298 // sets the output to result. The result type might be a single field for simple 299 // returns, a slice of interfaces for anonymous returns and a struct for named 300 // returns. 301 func (_{{$contract.Type}} *{{$contract.Type}}CallerRaw) Call(opts *bind.CallOpts, result *[]interface{}, method string, params ...interface{}) error { 302 return _{{$contract.Type}}.Contract.contract.Call(opts, result, method, params...) 303 } 304 305 // Transfer initiates a plain transaction to move funds to the contract, calling 306 // its default method if one is available. 307 func (_{{$contract.Type}} *{{$contract.Type}}TransactorRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) { 308 return _{{$contract.Type}}.Contract.contract.Transfer(opts) 309 } 310 311 // Transact invokes the (paid) contract method with params as input values. 312 func (_{{$contract.Type}} *{{$contract.Type}}TransactorRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) { 313 return _{{$contract.Type}}.Contract.contract.Transact(opts, method, params...) 314 } 315 316 {{range .Calls}} 317 // {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.ID}}. 318 // 319 // Solidity: {{.Original.String}} 320 func (_{{$contract.Type}} *{{$contract.Type}}Caller) {{.Normalized.Name}}(opts *bind.CallOpts {{range .Normalized.Inputs}}, {{.Name}} {{bindtype .Type $structs}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type $structs}};{{end}} },{{else}}{{range .Normalized.Outputs}}{{bindtype .Type $structs}},{{end}}{{end}} error) { 321 var out []interface{} 322 err := _{{$contract.Type}}.contract.Call(opts, &out, "{{.Original.Name}}" {{range .Normalized.Inputs}}, {{.Name}}{{end}}) 323 {{if .Structured}} 324 outstruct := new(struct{ {{range .Normalized.Outputs}} {{.Name}} {{bindtype .Type $structs}}; {{end}} }) 325 if err != nil { 326 return *outstruct, err 327 } 328 {{range $i, $t := .Normalized.Outputs}} 329 outstruct.{{.Name}} = *abi.ConvertType(out[{{$i}}], new({{bindtype .Type $structs}})).(*{{bindtype .Type $structs}}){{end}} 330 331 return *outstruct, err 332 {{else}} 333 if err != nil { 334 return {{range $i, $_ := .Normalized.Outputs}}*new({{bindtype .Type $structs}}), {{end}} err 335 } 336 {{range $i, $t := .Normalized.Outputs}} 337 out{{$i}} := *abi.ConvertType(out[{{$i}}], new({{bindtype .Type $structs}})).(*{{bindtype .Type $structs}}){{end}} 338 339 return {{range $i, $t := .Normalized.Outputs}}out{{$i}}, {{end}} err 340 {{end}} 341 } 342 343 // {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.ID}}. 344 // 345 // Solidity: {{.Original.String}} 346 func (_{{$contract.Type}} *{{$contract.Type}}Session) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type $structs}};{{end}} }, {{else}} {{range .Normalized.Outputs}}{{bindtype .Type $structs}},{{end}} {{end}} error) { 347 return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.CallOpts {{range .Normalized.Inputs}}, {{.Name}}{{end}}) 348 } 349 350 // {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.ID}}. 351 // 352 // Solidity: {{.Original.String}} 353 func (_{{$contract.Type}} *{{$contract.Type}}CallerSession) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type $structs}};{{end}} }, {{else}} {{range .Normalized.Outputs}}{{bindtype .Type $structs}},{{end}} {{end}} error) { 354 return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.CallOpts {{range .Normalized.Inputs}}, {{.Name}}{{end}}) 355 } 356 {{end}} 357 358 {{range .Transacts}} 359 // {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.ID}}. 360 // 361 // Solidity: {{.Original.String}} 362 func (_{{$contract.Type}} *{{$contract.Type}}Transactor) {{.Normalized.Name}}(opts *bind.TransactOpts {{range .Normalized.Inputs}}, {{.Name}} {{bindtype .Type $structs}} {{end}}) (*types.Transaction, error) { 363 return _{{$contract.Type}}.contract.Transact(opts, "{{.Original.Name}}" {{range .Normalized.Inputs}}, {{.Name}}{{end}}) 364 } 365 366 // {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.ID}}. 367 // 368 // Solidity: {{.Original.String}} 369 func (_{{$contract.Type}} *{{$contract.Type}}Session) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) (*types.Transaction, error) { 370 return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.TransactOpts {{range $i, $_ := .Normalized.Inputs}}, {{.Name}}{{end}}) 371 } 372 373 // {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.ID}}. 374 // 375 // Solidity: {{.Original.String}} 376 func (_{{$contract.Type}} *{{$contract.Type}}TransactorSession) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) (*types.Transaction, error) { 377 return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.TransactOpts {{range $i, $_ := .Normalized.Inputs}}, {{.Name}}{{end}}) 378 } 379 {{end}} 380 381 {{if .Fallback}} 382 // Fallback is a paid mutator transaction binding the contract fallback function. 383 // 384 // Solidity: {{.Fallback.Original.String}} 385 func (_{{$contract.Type}} *{{$contract.Type}}Transactor) Fallback(opts *bind.TransactOpts, calldata []byte) (*types.Transaction, error) { 386 return _{{$contract.Type}}.contract.RawTransact(opts, calldata) 387 } 388 389 // Fallback is a paid mutator transaction binding the contract fallback function. 390 // 391 // Solidity: {{.Fallback.Original.String}} 392 func (_{{$contract.Type}} *{{$contract.Type}}Session) Fallback(calldata []byte) (*types.Transaction, error) { 393 return _{{$contract.Type}}.Contract.Fallback(&_{{$contract.Type}}.TransactOpts, calldata) 394 } 395 396 // Fallback is a paid mutator transaction binding the contract fallback function. 397 // 398 // Solidity: {{.Fallback.Original.String}} 399 func (_{{$contract.Type}} *{{$contract.Type}}TransactorSession) Fallback(calldata []byte) (*types.Transaction, error) { 400 return _{{$contract.Type}}.Contract.Fallback(&_{{$contract.Type}}.TransactOpts, calldata) 401 } 402 {{end}} 403 404 {{if .Receive}} 405 // Receive is a paid mutator transaction binding the contract receive function. 406 // 407 // Solidity: {{.Receive.Original.String}} 408 func (_{{$contract.Type}} *{{$contract.Type}}Transactor) Receive(opts *bind.TransactOpts) (*types.Transaction, error) { 409 return _{{$contract.Type}}.contract.RawTransact(opts, nil) // calldata is disallowed for receive function 410 } 411 412 // Receive is a paid mutator transaction binding the contract receive function. 413 // 414 // Solidity: {{.Receive.Original.String}} 415 func (_{{$contract.Type}} *{{$contract.Type}}Session) Receive() (*types.Transaction, error) { 416 return _{{$contract.Type}}.Contract.Receive(&_{{$contract.Type}}.TransactOpts) 417 } 418 419 // Receive is a paid mutator transaction binding the contract receive function. 420 // 421 // Solidity: {{.Receive.Original.String}} 422 func (_{{$contract.Type}} *{{$contract.Type}}TransactorSession) Receive() (*types.Transaction, error) { 423 return _{{$contract.Type}}.Contract.Receive(&_{{$contract.Type}}.TransactOpts) 424 } 425 {{end}} 426 427 {{range .Events}} 428 // {{$contract.Type}}{{.Normalized.Name}}Iterator is returned from Filter{{.Normalized.Name}} and is used to iterate over the raw logs and unpacked data for {{.Normalized.Name}} events raised by the {{$contract.Type}} contract. 429 type {{$contract.Type}}{{.Normalized.Name}}Iterator struct { 430 Event *{{$contract.Type}}{{.Normalized.Name}} // Event containing the contract specifics and raw log 431 432 contract *bind.BoundContract // Generic contract to use for unpacking event data 433 event string // Event name to use for unpacking event data 434 435 logs chan types.Log // Log channel receiving the found contract events 436 sub zond.Subscription // Subscription for errors, completion and termination 437 done bool // Whether the subscription completed delivering logs 438 fail error // Occurred error to stop iteration 439 } 440 // Next advances the iterator to the subsequent event, returning whether there 441 // are any more events found. In case of a retrieval or parsing error, false is 442 // returned and Error() can be queried for the exact failure. 443 func (it *{{$contract.Type}}{{.Normalized.Name}}Iterator) Next() bool { 444 // If the iterator failed, stop iterating 445 if (it.fail != nil) { 446 return false 447 } 448 // If the iterator completed, deliver directly whatever's available 449 if (it.done) { 450 select { 451 case log := <-it.logs: 452 it.Event = new({{$contract.Type}}{{.Normalized.Name}}) 453 if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil { 454 it.fail = err 455 return false 456 } 457 it.Event.Raw = log 458 return true 459 460 default: 461 return false 462 } 463 } 464 // Iterator still in progress, wait for either a data or an error event 465 select { 466 case log := <-it.logs: 467 it.Event = new({{$contract.Type}}{{.Normalized.Name}}) 468 if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil { 469 it.fail = err 470 return false 471 } 472 it.Event.Raw = log 473 return true 474 475 case err := <-it.sub.Err(): 476 it.done = true 477 it.fail = err 478 return it.Next() 479 } 480 } 481 // Error returns any retrieval or parsing error occurred during filtering. 482 func (it *{{$contract.Type}}{{.Normalized.Name}}Iterator) Error() error { 483 return it.fail 484 } 485 // Close terminates the iteration process, releasing any pending underlying 486 // resources. 487 func (it *{{$contract.Type}}{{.Normalized.Name}}Iterator) Close() error { 488 it.sub.Unsubscribe() 489 return nil 490 } 491 492 // {{$contract.Type}}{{.Normalized.Name}} represents a {{.Normalized.Name}} event raised by the {{$contract.Type}} contract. 493 type {{$contract.Type}}{{.Normalized.Name}} struct { {{range .Normalized.Inputs}} 494 {{capitalise .Name}} {{if .Indexed}}{{bindtopictype .Type $structs}}{{else}}{{bindtype .Type $structs}}{{end}}; {{end}} 495 Raw types.Log // Blockchain specific contextual infos 496 } 497 498 // Filter{{.Normalized.Name}} is a free log retrieval operation binding the contract event 0x{{printf "%x" .Original.ID}}. 499 // 500 // Solidity: {{.Original.String}} 501 func (_{{$contract.Type}} *{{$contract.Type}}Filterer) Filter{{.Normalized.Name}}(opts *bind.FilterOpts{{range .Normalized.Inputs}}{{if .Indexed}}, {{.Name}} []{{bindtype .Type $structs}}{{end}}{{end}}) (*{{$contract.Type}}{{.Normalized.Name}}Iterator, error) { 502 {{range .Normalized.Inputs}} 503 {{if .Indexed}}var {{.Name}}Rule []interface{} 504 for _, {{.Name}}Item := range {{.Name}} { 505 {{.Name}}Rule = append({{.Name}}Rule, {{.Name}}Item) 506 }{{end}}{{end}} 507 508 logs, sub, err := _{{$contract.Type}}.contract.FilterLogs(opts, "{{.Original.Name}}"{{range .Normalized.Inputs}}{{if .Indexed}}, {{.Name}}Rule{{end}}{{end}}) 509 if err != nil { 510 return nil, err 511 } 512 return &{{$contract.Type}}{{.Normalized.Name}}Iterator{contract: _{{$contract.Type}}.contract, event: "{{.Original.Name}}", logs: logs, sub: sub}, nil 513 } 514 515 // Watch{{.Normalized.Name}} is a free log subscription operation binding the contract event 0x{{printf "%x" .Original.ID}}. 516 // 517 // Solidity: {{.Original.String}} 518 func (_{{$contract.Type}} *{{$contract.Type}}Filterer) Watch{{.Normalized.Name}}(opts *bind.WatchOpts, sink chan<- *{{$contract.Type}}{{.Normalized.Name}}{{range .Normalized.Inputs}}{{if .Indexed}}, {{.Name}} []{{bindtype .Type $structs}}{{end}}{{end}}) (event.Subscription, error) { 519 {{range .Normalized.Inputs}} 520 {{if .Indexed}}var {{.Name}}Rule []interface{} 521 for _, {{.Name}}Item := range {{.Name}} { 522 {{.Name}}Rule = append({{.Name}}Rule, {{.Name}}Item) 523 }{{end}}{{end}} 524 525 logs, sub, err := _{{$contract.Type}}.contract.WatchLogs(opts, "{{.Original.Name}}"{{range .Normalized.Inputs}}{{if .Indexed}}, {{.Name}}Rule{{end}}{{end}}) 526 if err != nil { 527 return nil, err 528 } 529 return event.NewSubscription(func(quit <-chan struct{}) error { 530 defer sub.Unsubscribe() 531 for { 532 select { 533 case log := <-logs: 534 // New log arrived, parse the event and forward to the user 535 event := new({{$contract.Type}}{{.Normalized.Name}}) 536 if err := _{{$contract.Type}}.contract.UnpackLog(event, "{{.Original.Name}}", log); err != nil { 537 return err 538 } 539 event.Raw = log 540 541 select { 542 case sink <- event: 543 case err := <-sub.Err(): 544 return err 545 case <-quit: 546 return nil 547 } 548 case err := <-sub.Err(): 549 return err 550 case <-quit: 551 return nil 552 } 553 } 554 }), nil 555 } 556 557 // Parse{{.Normalized.Name}} is a log parse operation binding the contract event 0x{{printf "%x" .Original.ID}}. 558 // 559 // Solidity: {{.Original.String}} 560 func (_{{$contract.Type}} *{{$contract.Type}}Filterer) Parse{{.Normalized.Name}}(log types.Log) (*{{$contract.Type}}{{.Normalized.Name}}, error) { 561 event := new({{$contract.Type}}{{.Normalized.Name}}) 562 if err := _{{$contract.Type}}.contract.UnpackLog(event, "{{.Original.Name}}", log); err != nil { 563 return nil, err 564 } 565 event.Raw = log 566 return event, nil 567 } 568 569 {{end}} 570 {{end}} 571 `