How to use Start method of api Package

Best Gauge code snippet using api.Start

api.go

Source:api.go Github

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...78// NewPrivateMinerAPI create a new RPC service which controls the miner of this node.79func NewPrivateMinerAPI(e *Ethereum) *PrivateMinerAPI {80 return &PrivateMinerAPI{e: e}81}82// Start starts the miner with the given number of threads. If threads is nil,83// the number of workers started is equal to the number of logical CPUs that are84// usable by this process. If mining is already running, this method adjust the85// number of threads allowed to use and updates the minimum price required by the86// transaction pool.87func (api *PrivateMinerAPI) Start(threads *int) error {88 if threads == nil {89 return api.e.StartMining(runtime.NumCPU())90 }91 return api.e.StartMining(*threads)92}93// Stop terminates the miner, both at the consensus engine level as well as at94// the block creation level.95func (api *PrivateMinerAPI) Stop() {96 api.e.StopMining()97}98// SetExtra sets the extra data string that is included when this miner mines a block.99func (api *PrivateMinerAPI) SetExtra(extra string) (bool, error) {100 if err := api.e.Miner().SetExtra([]byte(extra)); err != nil {101 return false, err102 }103 return true, nil104}105// SetGasPrice sets the minimum accepted gas price for the miner.106func (api *PrivateMinerAPI) SetGasPrice(gasPrice hexutil.Big) bool {107 api.e.lock.Lock()108 api.e.gasPrice = (*big.Int)(&gasPrice)109 api.e.lock.Unlock()110 api.e.txPool.SetGasPrice((*big.Int)(&gasPrice))111 return true112}113// SetEtherbase sets the etherbase of the miner114func (api *PrivateMinerAPI) SetEtherbase(etherbase common.Address) bool {115 api.e.SetEtherbase(etherbase)116 return true117}118// SetRecommitInterval updates the interval for miner sealing work recommitting.119func (api *PrivateMinerAPI) SetRecommitInterval(interval int) {120 api.e.Miner().SetRecommitInterval(time.Duration(interval) * time.Millisecond)121}122// PrivateAdminAPI is the collection of Ethereum full node-related APIs123// exposed over the private admin endpoint.124type PrivateAdminAPI struct {125 eth *Ethereum126}127// NewPrivateAdminAPI creates a new API definition for the full node private128// admin methods of the Ethereum service.129func NewPrivateAdminAPI(eth *Ethereum) *PrivateAdminAPI {130 return &PrivateAdminAPI{eth: eth}131}132// ExportChain exports the current blockchain into a local file,133// or a range of blocks if first and last are non-nil134func (api *PrivateAdminAPI) ExportChain(file string, first *uint64, last *uint64) (bool, error) {135 if first == nil && last != nil {136 return false, errors.New("last cannot be specified without first")137 }138 if first != nil && last == nil {139 head := api.eth.BlockChain().CurrentHeader().Number.Uint64()140 last = &head141 }142 if _, err := os.Stat(file); err == nil {143 // File already exists. Allowing overwrite could be a DoS vecotor,144 // since the 'file' may point to arbitrary paths on the drive145 return false, errors.New("location would overwrite an existing file")146 }147 // Make sure we can create the file to export into148 out, err := os.OpenFile(file, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, os.ModePerm)149 if err != nil {150 return false, err151 }152 defer out.Close()153 var writer io.Writer = out154 if strings.HasSuffix(file, ".gz") {155 writer = gzip.NewWriter(writer)156 defer writer.(*gzip.Writer).Close()157 }158 // Export the blockchain159 if first != nil {160 if err := api.eth.BlockChain().ExportN(writer, *first, *last); err != nil {161 return false, err162 }163 } else if err := api.eth.BlockChain().Export(writer); err != nil {164 return false, err165 }166 return true, nil167}168func hasAllBlocks(chain *core.BlockChain, bs []*types.Block) bool {169 for _, b := range bs {170 if !chain.HasBlock(b.Hash(), b.NumberU64()) {171 return false172 }173 }174 return true175}176// ImportChain imports a blockchain from a local file.177func (api *PrivateAdminAPI) ImportChain(file string) (bool, error) {178 // Make sure the can access the file to import179 in, err := os.Open(file)180 if err != nil {181 return false, err182 }183 defer in.Close()184 var reader io.Reader = in185 if strings.HasSuffix(file, ".gz") {186 if reader, err = gzip.NewReader(reader); err != nil {187 return false, err188 }189 }190 // Run actual the import in pre-configured batches191 stream := rlp.NewStream(reader, 0)192 blocks, index := make([]*types.Block, 0, 2500), 0193 for batch := 0; ; batch++ {194 // Load a batch of blocks from the input file195 for len(blocks) < cap(blocks) {196 block := new(types.Block)197 if err := stream.Decode(block); err == io.EOF {198 break199 } else if err != nil {200 return false, fmt.Errorf("block %d: failed to parse: %v", index, err)201 }202 blocks = append(blocks, block)203 index++204 }205 if len(blocks) == 0 {206 break207 }208 if hasAllBlocks(api.eth.BlockChain(), blocks) {209 blocks = blocks[:0]210 continue211 }212 // Import the batch and reset the buffer213 if _, err := api.eth.BlockChain().InsertChain(blocks); err != nil {214 return false, fmt.Errorf("batch %d: failed to insert: %v", batch, err)215 }216 blocks = blocks[:0]217 }218 return true, nil219}220// PublicDebugAPI is the collection of Ethereum full node APIs exposed221// over the public debugging endpoint.222type PublicDebugAPI struct {223 eth *Ethereum224}225// NewPublicDebugAPI creates a new API definition for the full node-226// related public debug methods of the Ethereum service.227func NewPublicDebugAPI(eth *Ethereum) *PublicDebugAPI {228 return &PublicDebugAPI{eth: eth}229}230// DumpBlock retrieves the entire state of the database at a given block.231func (api *PublicDebugAPI) DumpBlock(blockNr rpc.BlockNumber) (state.Dump, error) {232 opts := &state.DumpConfig{233 OnlyWithAddresses: true,234 Max: AccountRangeMaxResults, // Sanity limit over RPC235 }236 if blockNr == rpc.PendingBlockNumber {237 // If we're dumping the pending state, we need to request238 // both the pending block as well as the pending state from239 // the miner and operate on those240 _, stateDb := api.eth.miner.Pending()241 return stateDb.RawDump(opts), nil242 }243 var block *types.Block244 if blockNr == rpc.LatestBlockNumber {245 block = api.eth.blockchain.CurrentBlock()246 } else {247 block = api.eth.blockchain.GetBlockByNumber(uint64(blockNr))248 }249 if block == nil {250 return state.Dump{}, fmt.Errorf("block #%d not found", blockNr)251 }252 stateDb, err := api.eth.BlockChain().StateAt(block.Root())253 if err != nil {254 return state.Dump{}, err255 }256 return stateDb.RawDump(opts), nil257}258// PrivateDebugAPI is the collection of Ethereum full node APIs exposed over259// the private debugging endpoint.260type PrivateDebugAPI struct {261 eth *Ethereum262}263// NewPrivateDebugAPI creates a new API definition for the full node-related264// private debug methods of the Ethereum service.265func NewPrivateDebugAPI(eth *Ethereum) *PrivateDebugAPI {266 return &PrivateDebugAPI{eth: eth}267}268// Preimage is a debug API function that returns the preimage for a sha3 hash, if known.269func (api *PrivateDebugAPI) Preimage(ctx context.Context, hash common.Hash) (hexutil.Bytes, error) {270 if preimage := rawdb.ReadPreimage(api.eth.ChainDb(), hash); preimage != nil {271 return preimage, nil272 }273 return nil, errors.New("unknown preimage")274}275// BadBlockArgs represents the entries in the list returned when bad blocks are queried.276type BadBlockArgs struct {277 Hash common.Hash `json:"hash"`278 Block map[string]interface{} `json:"block"`279 RLP string `json:"rlp"`280}281// GetBadBlocks returns a list of the last 'bad blocks' that the client has seen on the network282// and returns them as a JSON list of block-hashes283func (api *PrivateDebugAPI) GetBadBlocks(ctx context.Context) ([]*BadBlockArgs, error) {284 var (285 err error286 blocks = rawdb.ReadAllBadBlocks(api.eth.chainDb)287 results = make([]*BadBlockArgs, 0, len(blocks))288 )289 for _, block := range blocks {290 var (291 blockRlp string292 blockJSON map[string]interface{}293 )294 if rlpBytes, err := rlp.EncodeToBytes(block); err != nil {295 blockRlp = err.Error() // Hacky, but hey, it works296 } else {297 blockRlp = fmt.Sprintf("0x%x", rlpBytes)298 }299 if blockJSON, err = ethapi.RPCMarshalBlock(block, true, true); err != nil {300 blockJSON = map[string]interface{}{"error": err.Error()}301 }302 results = append(results, &BadBlockArgs{303 Hash: block.Hash(),304 RLP: blockRlp,305 Block: blockJSON,306 })307 }308 return results, nil309}310// AccountRangeMaxResults is the maximum number of results to be returned per call311const AccountRangeMaxResults = 256312// AccountRange enumerates all accounts in the given block and start point in paging request313func (api *PublicDebugAPI) AccountRange(blockNrOrHash rpc.BlockNumberOrHash, start []byte, maxResults int, nocode, nostorage, incompletes bool) (state.IteratorDump, error) {314 var stateDb *state.StateDB315 var err error316 if number, ok := blockNrOrHash.Number(); ok {317 if number == rpc.PendingBlockNumber {318 // If we're dumping the pending state, we need to request319 // both the pending block as well as the pending state from320 // the miner and operate on those321 _, stateDb = api.eth.miner.Pending()322 } else {323 var block *types.Block324 if number == rpc.LatestBlockNumber {325 block = api.eth.blockchain.CurrentBlock()326 } else {327 block = api.eth.blockchain.GetBlockByNumber(uint64(number))328 }329 if block == nil {330 return state.IteratorDump{}, fmt.Errorf("block #%d not found", number)331 }332 stateDb, err = api.eth.BlockChain().StateAt(block.Root())333 if err != nil {334 return state.IteratorDump{}, err335 }336 }337 } else if hash, ok := blockNrOrHash.Hash(); ok {338 block := api.eth.blockchain.GetBlockByHash(hash)339 if block == nil {340 return state.IteratorDump{}, fmt.Errorf("block %s not found", hash.Hex())341 }342 stateDb, err = api.eth.BlockChain().StateAt(block.Root())343 if err != nil {344 return state.IteratorDump{}, err345 }346 } else {347 return state.IteratorDump{}, errors.New("either block number or block hash must be specified")348 }349 opts := &state.DumpConfig{350 SkipCode: nocode,351 SkipStorage: nostorage,352 OnlyWithAddresses: !incompletes,353 Start: start,354 Max: uint64(maxResults),355 }356 if maxResults > AccountRangeMaxResults || maxResults <= 0 {357 opts.Max = AccountRangeMaxResults358 }359 return stateDb.IteratorDump(opts), nil360}361// StorageRangeResult is the result of a debug_storageRangeAt API call.362type StorageRangeResult struct {363 Storage storageMap `json:"storage"`364 NextKey *common.Hash `json:"nextKey"` // nil if Storage includes the last key in the trie.365}366type storageMap map[common.Hash]storageEntry367type storageEntry struct {368 Key *common.Hash `json:"key"`369 Value common.Hash `json:"value"`370}371// StorageRangeAt returns the storage at the given block height and transaction index.372func (api *PrivateDebugAPI) StorageRangeAt(blockHash common.Hash, txIndex int, contractAddress common.Address, keyStart hexutil.Bytes, maxResult int) (StorageRangeResult, error) {373 // Retrieve the block374 block := api.eth.blockchain.GetBlockByHash(blockHash)375 if block == nil {376 return StorageRangeResult{}, fmt.Errorf("block %#x not found", blockHash)377 }378 _, _, statedb, err := api.eth.stateAtTransaction(block, txIndex, 0)379 if err != nil {380 return StorageRangeResult{}, err381 }382 st := statedb.StorageTrie(contractAddress)383 if st == nil {384 return StorageRangeResult{}, fmt.Errorf("account %x doesn't exist", contractAddress)385 }386 return storageRangeAt(st, keyStart, maxResult)387}388func storageRangeAt(st state.Trie, start []byte, maxResult int) (StorageRangeResult, error) {389 it := trie.NewIterator(st.NodeIterator(start))390 result := StorageRangeResult{Storage: storageMap{}}391 for i := 0; i < maxResult && it.Next(); i++ {392 _, content, _, err := rlp.Split(it.Value)393 if err != nil {394 return StorageRangeResult{}, err395 }396 e := storageEntry{Value: common.BytesToHash(content)}397 if preimage := st.GetKey(it.Key); preimage != nil {398 preimage := common.BytesToHash(preimage)399 e.Key = &preimage400 }...

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Using AI Code Generation

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1import (2func main() {3 conn, err := ethclient.Dial("/Users/username/Library/Ethereum/geth.ipc")4 if err != nil {5 fmt.Println(err)6 }7 auth := bind.NewKeyedTransactor(common.HexToECDSA("private key"))8 address, tx, instance, err := DeployApi(auth, conn)9 if err != nil {10 fmt.Println(err)11 }12 tx, err = instance.Set(auth, big.NewInt(5))13 if err != nil {14 fmt.Println(err)15 }16 _, err = bind.WaitMined(context.Background(), conn, tx)17 if err != nil {18 fmt.Println(err)19 }20 ret, err := instance.Get(nil)21 if err != nil {22 fmt.Println(err)23 }24}25import (26func main() {27 conn, err := ethclient.Dial("/Users/username/Library/Ethereum/geth.ipc")28 if err != nil {29 fmt.Println(err)30 }31 auth := bind.NewKeyedTransactor(common.HexToECDSA("private key"))

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1import (2type MainController struct {3}4func (this *MainController) Get() {5 this.Ctx.WriteString("hello world")6}7func main() {8 beego.Router("/", &MainController{})9 beego.Run()10}11import (12type MainController struct {13}14func (this *MainController) Get() {15 this.Ctx.WriteString("hello world")16}17func main() {18 beego.Router("/", &MainController{})19 http.ListenAndServe(":8080", nil)20}21Your name to display (optional):

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1func main() {2 api := api.New()3 api.Start()4}5func main() {6 api := api.New()7 api.Start()8}9type api struct {10}11func New() *api {12 return &api{}13}14func (a *api) Start() {15}

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1import (2func main() {3 fmt.Println("Hello World!")4 api := Api{}5 api.Start()6}7import (8func main() {9 fmt.Println("Hello World!")10 api := Api{}11 api.Start()12}13import (14func main() {15 fmt.Println("Hello World!")16 api := Api{}17 api.Start()18}19import (20func main() {21 fmt.Println("Hello World!")22 api := Api{}23 api.Start()24}25import (26func main() {27 fmt.Println("Hello World!")28 api := Api{}29 api.Start()30}31import (32func main() {33 fmt.Println("Hello World!")34 api := Api{}35 api.Start()36}37import (38func main() {39 fmt.Println("Hello World!")40 api := Api{}41 api.Start()42}43import (44func main() {45 fmt.Println("Hello World!")46 api := Api{}47 api.Start()48}49import (50func main() {51 fmt.Println("Hello World!")52 api := Api{}53 api.Start()54}55import (56func main() {57 fmt.Println("Hello World!")58 api := Api{}59 api.Start()60}61import (62func main() {63 fmt.Println("Hello World!")64 api := Api{}

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1import (2func main() {3 anaconda.SetConsumerKey("ConsumerKey")4 anaconda.SetConsumerSecret("ConsumerSecret")5 api := anaconda.NewTwitterApi("AccessToken", "AccessTokenSecret")6 stream := api.PublicStreamSample(nil)7 for {8 select {9 fmt.Println(v)10 }11 }12}13import (14func main() {15 anaconda.SetConsumerKey("ConsumerKey")16 anaconda.SetConsumerSecret("ConsumerSecret")17 api := anaconda.NewTwitterApi("AccessToken", "AccessTokenSecret")18 stream := api.UserStream(nil)19 for {20 select {21 fmt.Println(v)22 }23 }24}25import (26func main() {27 anaconda.SetConsumerKey("ConsumerKey")28 anaconda.SetConsumerSecret("ConsumerSecret")29 api := anaconda.NewTwitterApi("AccessToken", "AccessTokenSecret")30 stream := api.PublicStreamFilter(nil)31 for {32 select {33 fmt.Println(v)34 }35 }36}37import (38func main() {39 anaconda.SetConsumerKey("ConsumerKey")40 anaconda.SetConsumerSecret("ConsumerSecret")41 api := anaconda.NewTwitterApi("AccessToken", "AccessTokenSecret")42 stream := api.FirehoseStream(nil

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