Blockchain Oráculos para contratos inteligentes híbridos

  • 2022-01-01Data de coleta
  • 2022-02-15Atualizada
Blockchain Oráculos para contratos inteligentes híbridos
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BlockchainOraclesforHybridSmartContracts|Chainlinkbody{-webkit-font-smoothing:antialiased;-moz-font-smoothing:antialiased;-o-font-smoothing:antialiased;}input[type='email'],textarea{font-size:16px;-webkit-appearance:none;}Weglot.initialize({api_key:'wg_bda6a3a01b5a6a4f4737'});(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':newDate().getTime(),event:'gtm.js'});varf=d.getElementsByTName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-W7GVBFK');body{-webkit-font-smoothing:antialiased;-moz-font-smoothing:antialiased;-o-font-smoothing:antialiased;}input[type='email'],textarea{font-size:16px;-webkit-appearance:none;}(function(h,o,t,j,a,r){h.hj=h.hj||function(){(h.hj.q=h.hj.q||[]).push(arguments)};h._hjSettings={hjid:,hjsv:6};a=o.getElementsByTName('head')[0];r=o.createElement('script');r.async=1;r.src=t+h._hjSettings.hjid+j+h._hjSettings.hjsv;a.appendChild(r);})(window,document,'static.hotjar.com/c/hotjar-','.js?sv=');DevelopersDevelopersDocsStartbuildingyouruniversallyconnectedsmartcontractsDeveloperResourcesTools,tutorials,andtechnicalsupportDeveloperExpertsProgramChainlink’smostactiveandsupportivetechnicalcommunitymembersProductsProductsMarketandDataFeedsDecentralizedandhigh-qualitydatafeedsforDeFi,sports,weather,andmoreVRFVerifiable,tamper-proofrandomnumbergeneratorforblockchaingamingandNFTprojectsAutomationReliable,high-performance,decentralizedautomationforsmartcontractsProofofReserveAutonomous,reliable,andtimelyauditsofon-chainandoff-chainreserves Cross-ChainCommunicationGlobal,open-sourcestandardforbuildingsecurecross-chainapplicationsUseCasesUseCasesOverviewDecentralizedservicespoweringhybridsmartcontractusecasesacrossawide-varietyofindustriesLearnmoreDeFiEnterpriseInsuranceNFTsandGamingSocialImpactClimateMarketsEcosystemEcosystemChainlink EcosystemProvideoraclecomputationdirectlytosmartcontractsandearnrevenuebyrunningcriticaldatainfrastructureDataProvidersLeveretheChainlinkNetworktomakeyourdataaccessibleon-chaindirectlythroughyourownChainlinknodesCommunityCommunityCBlockchain Oráculos para contratos inteligentes híbridoshainlinkCommunityGainaccesstoresourcesandeventsforChainlink’sglobalcommunityLearnmoreGrantProgramFundingandsupportingthecreationofnewsmartcontractapplicationsbuiltbythecommunityEventsUpcomingChainlinkvirtualandin-personevents,hackathons,meetups,andmoreResourcesResourcesBlogDiscoverthelatestproductnews,deepdives,developertutorials,andmoreLearnmoreWhitepaperCaseStudiesTechTalksFAQsEducationHubEconomicsEconomics.menu-alert{background:linear-gradient(225deg,#375bd2,#8ca5e1);background-size:400%400%;-webkit-animation:AnimationName3seaseinfinite;-moz-animation:AnimationName3seaseinfinite;animation:AnimationName3seaseinfinite;}@-webkit-keyframesAnimationName{0%{background-position:0%79%}50%{background-position:100%22%}100%{background-position:0%79%}}@-moz-keyframesAnimationName{0%{background-position:0%79%}50%{background-position:100%22%}100%{background-position:0%79%}}@keyframesAnimationName{0%{background-position:0%79%}50%{background-position:100%22%}100%{background-position:0%79%}}newStakingappStakeyourLINKtohelpsecuretheChainlinkNetworkandearnrewardsViewtheappEconomics2.0Discoverthearrayofinitiativesusheringinaneweraofsustainablegrowth,enhancedsecurity,anddeepervaluecapturefortheChainlinkNetworkStakingExplorethenewlayerofcryptoeconomicsecurityunderpinningChainlinkoracleservicesStartbuildingMenuhtml[lang="ko"].wg-dd-1-list{min-width:104px;}StartbuildingNEWChainlinkStakingv0.1isnowliveonmainnet.SmartConisLIVErightnow.Discover200+leadingDeFi,NFT,andblockchainprojects.SignuptodayChainlinkLabsishiring.Comejoinanindustry-leadingteam.SeecurrentopeningsSecurelyconnectsmartcontractswithoff-chaindataandservicesChainlinkdecentralizedoraclenetworksprovidetamper-proofinputs,outputs,andcomputationstosupportadvancedsmartcontractsonanyblockchain.DevelopwithChainlinkExploresolutionsQuestions? Contactus.TransactionValueEnabled:$6,703,366,307,654TVEiscalculatedbytakingthesumoftheUSDvalueassociatedwitheachtransactionutilizingaChainlinkoracle.ChainlinkTVEcurrentlyreflectsthegregateUSDvalueofcryptotransactionsfacilitatedbyChainlinkin2022onalanche,BNBChain,Ethereum,Fantom,Gnosis,Heco,Optimism,andPolygon.UpdatedNovember30,2022StartbuildingyourhybridsmartcontractwithChainlinkData& ServicesRUNMarketData□□□int256:000functiongetThePrice()publicviewreturns(int){    (      uint80roundID,      intprice,      uintstartedAt,      uinttimeStamp,      uint80answeredInRound    )=priceFeed.latestRoundData();    returnprice;  }IntegratePriceFeedsRUNWeatherData□□□uint256:4000functionrequestgTemp(  )external{    Chainlink.Requestmemoryreq=buildChainlinkRequest(      Blockchain Oráculos para contratos inteligentes híbridosgTempJobId,      address(this),      this.fulfillgTemp.selector    );    sendChainlinkRequest(req,fee);  }IntegrateweatherdataRUNSportsData□□□int256:00functionrequestScore(  )external{    Chainlink.Requestmemoryreq=buildChainlinkRequest(      sportScoreJobId,      address(this),      this.fulfillWinner.selector    );    sendChainlinkRequest(req,fee);  }IntegratesportsdataRUNKeepers□□□TRUEfunctioncheckUpkeep(  bytescalldatacheckData )  external  returns(    boolupkeepNeeded,    bytesmemoryperformData  );IntegrateChainlinkAutomationRUNRandomness□□□int256:11131unit256publicrandomResult;functionfulfillRandomness(uint256requestId,unit256[]randomness)internaloverride{   randomResult=(randomness[0]%50)+1;}IntegrateChainlinkVRFRUNAnyApi□□□int256:functionrequestData()publicreturns(bytes32requestId){  Chainlink.Requestmemoryrequest=buildChainlinkRequest(jobId,address(this),this.fulfill.selector);  request.add("get","my-api.com/endpoint");  request.add("path","status");    returnsendChainlinkRequestTo(oracle,request,fee);}functionfulfill(bytes32_requestId,uint256_response)publicrecordChainlinkFulfillment(_requestId){  response=_response;}AccessanyexternaldataMarketDataWeatherDataSportsDataAutomationRandomnessAnyAPIHighlysecureandflexibleinfrastructureReliable,tamper-proofnetworkUsedecentralization,trustednodes,premiumdata,andcryptographicproofstoconnecthighlyaccurateandailabledata/APIstoanysmartcontract.SeamlessconnectiontoanyAPIBuildonaflexibleframeworkthatcanretrievedatafromanyAPI,connectwithexistingsystems,andintegratewithanycurrentorfutureblockchain.Proven,ready-madesolutionsIntegratepre-built,time-testedoraclesolutionsthatalreadysecuretensofbillionsinsmartcontractvalueformarket-leadingdecentralizedapplications.HighlyreliableautomationUseadecentralizednetworkofChainlinkAutomationnodestoautomatecontracts,mitigatingriskofmanualinterventionsandcentralizedservers. DeployyourChainlinksmartcontractWhatisChainlink?TheindustrystandardoraclenetworkChainlinkgreatlyexpandsthecapabilitiesofsmartcontractsbyenablingaccesstoreal-worlddataandoff-chaincomputationwhilemaintainingthesecurityandreliabilityguaranteesinherenttoblockchaintechnology.WatchavideoexplainingwhyChainlinkistheindustrystandardoraclenetwork.{"items":[{"url":"youtube.com/watch?v=tIUHQ7sDoaU","originalUrl":"youtube.com/watch?v=tIUHQ7sDoaU","width":940,"height":528,"thumbnailUrl":"i.ytimg.com/vi/tIUHQ7sDoaU/hqdefault.jpg","html":"","type":"video"}],"group":""}Poweringthefutureofsmartcontracts“Partofcomposabilityisthatyoudon’thetobuildeverythingbyyourself.Chainlink’soracleisverygood,andit’spartofthiswholecomposabilityidea,it’svital.”StaniKulechovCEO“Wereallydidourduediligenceandlookedaround...Chainlinkisdefinitelythemostestablished,andeverytimewedealtwiththemthelevelofexpertisewasincrediblesoIfeellikeweareingoodhands.”JustinMosesCTO“ThisproductisbuiltonthefoundationofblockchaintechnologyandutilizesArbol’ssmartcontractsalongwithdecentralizedweatherdataprovidedbyChainlinktoofferusersaproductunlikeanyotheronthemarket.”SiddharthaJhaCEO andFounder“Manypeopleoverlooktheimportanceoforaclesintheirsmartcontractapplication.Therealitythatweseetimeandtimeainisthatasmartcontractapplication’ssecurityisonlyasstrongasitsoracle.That’swhyitwassoimportantforourteamtofindanoraclethatmatchedTraderJoe’sstrongcommitmenttosecurity.”0xMurlocCo-founderViewChainlink DataFeedsExploresolutionsStartbuildingwithChainlinkGuides/ProofofReserveVerifyStablecoinCollateralWithChainlinkGuides/ExternalAPIsHowtoConnectAnyAPIwithChainlinkGuides/PriceFeedsHowtoFetchCryptocurrencyPricesinSolidityGuides/VerifiablerandomnessBuild,Deploy,andSellYourOwnDynamicNFTReadmoredeveloperguidesJoinChainlink’sglobalopen-sourcecommunityChainlinkisopen-sourcetechnologythatiscollectivelydevelopedbyalargecommunityofdevelopers,researchers,anduserswhosharethegoalofbuildingChainlinkintoapublicgoodforthebenefitoftheentireblockchainecosystem.DiscordGetinvolvedTwitterReadthelatestYouTubeWatchvideosTelegramJoindiscussionGitHubBuildwithusGetinvolvedthroughourgrantprogramsCommunitygrantprogramRewardingdeveloperswhoexpandtheamountofdataailableon-chain,enhancethesecurityoftheChainlinknodeinfrastructure,andintegrateChainlinkacrossnewsystems.ApplyforacommunitygrantIntegrationgrantsEncouringprojectsandteamsfromallovertheworldtoprocurespecifictechnologicalworkandservicesfromChainlink.ApplyforanintegrationgrantSocialImpactprogramWorkingwithnonprofits,NGOs,andsociallyconsciousprojectstoacceleratehybridsmartcontractdevelopmentandenableaneconomicallyfairworld.ApplyforasocialimpactgrantResearchprogramFundingacademicsandspecialistswhoconductandpublishinnovativeresearchthatenhancesthesecurityandperformanceoftheChainlinkNetwork.ApplyforaresearchgrantChainlink news‘ProofofReserves’EmergesasaForedWaytoPreventAnotherFTXTheblowuphasreinvigoratedthediscussionaboutapotentialsolution,somethingcalled"proofofreserves,"orPoR,awayofshowing–withlittleornodoubt–exactlyhowmanytokensareatanyexchangethatadoptsthetechnique.FormerGoogleCEOEricSchmidtSharesWhatItTakesToWinInWeb3AtSmartCon2022OneofthemosthighlyanticipatedspeakersatSmartCon2022wasformerGoogleCEOEricSchmidt,whobecameastrategicadvisortoChainlinkLabslastDecember.ChainlinkAnnouncesStakingPlans,AimingtoBeAWSofWeb3AtSmartCon2022,ChainlinkCo-founderSergeyNazarovunveilsplanstolaunchstakinginDecember,plusaneweconomicmodelfortheWeb3servicesplatform.‘ProofofReserves’EmergesasaForedWaytoPreventAnotherFTXTheblowuphasreinvigoratedthediscussionaboutapotentialsolution,somethingcalled"proofofreserves,"orPoR,awayofshowing–withlittleornodoubt–exactlyhowmanytokensareatanyexchangethatadoptsthetechnique.FormerGoogleCEOEricSchmidtSharesWhatItTakesToWinInWeb3AtSmartCon2022OneofthemosthighlyanticipatedspeakersatSmartCon2022wasformerGoogleCEOEricSchmidt,whobecameastrategicadvisortoChainlinkLabslastDecember.ChainlinkAnnouncesStakingPlans,AimingtoBeAWSofWeb3AtSmartCon2022,ChainlinkCo-founderSergeyNazarovunveilsplanstolaunchstakinginDecember,plusaneweconomicmodelfortheWeb3servicesplatform.Canproof-of-reservespreventfuturecryptoexchangecollapses?Proof-of-reserves(PoR)areindependentauditsbythirdpartiesthataimtoprovidetransparencyandevidencethatacustodianholdstheassetsitclaimstoownonbehalfofitsclients.ReadmorenewsGetthelatestChainlinkcontentstraighttoyourinbox.EmailAddressYes,IreetoreceiveemailcommunicationsfromChainlink.Thankyouforsigningup!Pleasecheckyourinboxtoconfirmyoursubscription.Oops!Somethingwentwrongwhilesubmittingtheform.PleasetryainDevelopersDocsDeveloperResourcesDeveloperExpertsAPPLYChainlinkHackathonBootcampUsingDataFeedsUseRandomness(VRF)UsingChainlinkAutomationUsingAnyAPINodeoperatorsProductsMarketandData FeedsVRFAutomationProofofReserveCross-ChainBridgingUseCasesOverviewDeFiEnterpriseInsuranceNFTandGamingSocialImpactClimateMarketsCommunityCommunityOverviewGrantProgramEventsBecomeanAdvocateCodeofConductResourcesWhitepaperCaseStudiesTechTalksBlogEconomics2.0StakingFAQsWhatIsDeFi?WhatIsanOracle?WhatIsaSmartContract?WhatIsanNFT?WhatIstheMeterse?WhatIsWeb3?ChainlinkEcosystemDataProvidersPressTeamCirculatingsupplyCareersWE ARE HIRING!BrandAssetsChainlinkBadgingContactTalktoanexpertSecuritySupportCustomChainlinksPressinquiriesSocialTwitterYouTubeDiscordTelegramWeChatRedditKakaoHomeChainlink®©2022ChainlinkFoundationenZH//initWeglotWeglot.initialize({ 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