Type Sample Supported by the contract platform Supported as an input parameter bool bool a=true Yes Yes uint uint a=1 Yes Yes uint8~uint256 uint8 a=1 Yes Yes int int a=1 Yes Yes int8~int256 int8 a=1 Yes Yes bytes bytes a=...
it is a unique readable hash value.Ledger data Ledger data refers to the data written into a blockchain.A blockchain is a tamper-resistant ledger.Data written into a blockchain cannot be tampered and therefore can be ...
In the process of developing apps based on the mPaaS iOS framework,the independent service with a UI is often configured as a micro application(such as transfer in Alipay and recharging for mobile phones),which is isolated...
This topic describes how to create a card in the mPaaS console.Procedure Log on to the mPaaS console.In the left-side navigation pane,select an application.In the left-side navigation pane,choose Mobile Delivery Service ...
To ensure the security of your Alibaba Cloud account and cloud resources,we recommend that you do not use your Alibaba Cloud account to access Blockchain as a Service as a Service(BaaS).In most cases,we recommend that you ...
a message that is being pushed will not be pushed.A message that has been pushed but is not displayed will not be displayed.Revoke a message by calling APIs A message pushed in the simple push mode can be revoked by the ...
To query contracts or perform contract calculations,the local execution of smart contracts is performed on the local nodes of a blockchain without broadcasting or consensus.The parameters of locally executed transactions ...
This topic describes how to apply to create or join the notary blockchain of Ant Blockchain.You can apply to create consortium blockchains to deploy your own blockchains and become a blockchain administrator.An ...
Alibaba Cloud BaaS(Blockchain as a Service)is an enterprise-level PaaS(Platform as a Service)based on leading blockchain technologies,and is powered by Ant Financial Blockchain Team.This service helps you build a stable,...
'0xc60a9d48105950a0cca07a4c6320b98c303ad42d694a634529e8e1a0a16fcdb5' },(err,data)={ console.log('QueryAccount:',data)})Query contract accounts You can call the QueryContract operation to query a specified contract account....
In this topic,you will create an application on which a toast pops up when you click the text,and get a signed APK package.This process mainly includes the following four steps:Create a project Compile the project Create a...
Alibaba Cloud BaaS allows you to add a new node from another environment into an existing Quorum netowrk.Add a new node from another environment You can create a Quorum node on another cloud platform or in your local ...
You can call this operation to query the latest blocks on a blockchain in Ant Blockchain.Debugging OpenAPI Explorer automatically calculates the signature value.For your convenience,we recommend that you call this ...
This topic describes how to connect mPaaS to a project in the native AAR mode.Procedure In Android Studio,open the existing project,and choose mPaaS Native AAR mode.In the pop-up access panel,click Start Importing under ...
and compliance audit.mPaaS is integrated with Alibaba Cloud ActionTrail.mPaaS operation ...a global sync message.mPaaS Synchronization Service(MSS)CreateMssSingleSyncData Create a single sync message.Message Push Service(MPS)...
An event is used for communication between the view layer and the logical layer.An event can pass user behavior to the logical layer for processing.You can bind an event to a component.When the event is triggered,the ...
You can perform the following operations on a blockchain in the BaaS console:Create a blockchain Apply for blockchain permissions Reset a certificate View the blockchain details Manage a blockchain Create a blockchain To ...
In this section,you will create an app that causes a Toast to appear when a user clicks a button,and obtain the installation package in APK format.This process mainly includes the following four steps:Create a project ...
In practice,a complete process usually covers multiple steps and each step can record an event.Funnel analysis helps analyze the conversion rate from the first step to subsequent steps.In the case of a step with a low ...
This topic guides you to create a marketing activity.The whole process is divided into the following four steps:Configure basic information Configure user groups Configure marketing events Configure marketing actions About...
app.acss is used to configure a global style that applies to all the pages of current Mini Program.For more information about acss,see ACSS syntax reference.
This topic describes how to view and process to-do tasks,including applications for joining a consortium and joining a channel.Process to-do tasks Log on to the Alibaba Cloud BaaS console.In the left-side navigation pane,...
Due to the immutable nature of blockchains,illegal information on a blockchain cannot be deleted separately.To prevent illegal information from being uploaded to a blockchain,we recommend that you integrate Alibaba Cloud ...
up box.When it appears,the page will be covered by a semitransparent mask.ActivityIndicator The loading component visualizes the loading process of the page content,reducing the anxiety of the user during the waiting ...
The mPaaS framework provides the global method getApp()to obtain the current Mini Program instance.The method is generally used to obtain a top-layer application from a page.var app=getApp();console.log(app.globalData);...
This section introduces how to create a native project where a Toast pops up upon click on text,and obtain an APK installation package.The procedure falls into four steps:Create a project Compile code Create signature file...
Start an interactive JavaScript console to connect to a Quorum node,you can refer to the document Setup geth interactive JavaScript console to establish an interactive JavaScript console.Create an Ethereum account by ...
This topic mainly introduces how to add other organizations to the consortium.After a consortium is created,it takes three steps for other organizations to join the consortium:Invite organizations.Organizations accept the ...
String key)Deletes a specified key from a specified private dataset public void setPrivateDataValidationParameter(String collection,String key,byte[]value)Set the endorsement policy for a specified key in a private dataset...
View the list of common questions about the mPaaS framework and click a question to view its answer.View the list of common questions about the mPaaS framework and click a question to view its answer.When upgrading ...
data:'eyJu.In0=' } Data pushed to blockchain with transaction 7810e0496a1c91a16102736b00a6f26da0baa42874a907fff26bff1b7eb3bf27 { id:'7810e0496a1c91a16102736b00a6f26da0baa42874a907fff26bff1b7eb3bf27',status:'200',events:[]...
the first screen refers to the first page that is meaningfully rendered from the perspective of business logic.For example,for a list page,the first screen refers to the content that is rendered from the list for the first...
This document describes the procedures of using the blockchain service.Steps 1 to 4 describe how to create a blockchain network in standard mode,and how to manually create an organization,create and join a consortium,and ...
different RAM users can be granted different resource access permissions.In detail,RAM users are a type of entity identities.A RAM user has a fixed identity ID and certificate and corresponds to a specific person or app....
the creation mode of a message.You can push a message through the mPaaS console or by calling APIs.Push status:indicates whether a scheduled push task has been implemented.Cancel a scheduled push task A scheduled push task...
transaction_type:40,timestamp:1551861396256,nonce:'64',period:100,from:'0xc60a9d48105950a0cca07a4c6320b98c303ad42d694a634529e8e1a0a16fcdb5',to:'0xc60a9d48105950a0cca07a4c6320b98c303ad42d694a634529e8e1a0a16fcdb5',value:0,...
You can call this operation to query the accounts on a blockchain in Ant Blockchain.Debugging OpenAPI Explorer automatically calculates the signature value.For your convenience,we recommend that you call this operation in ...
data:'eyJu.In0=' } Data pushed to blockchain with transaction 7810e0496a1c91a16102736b00a6f26da0baa42874a907fff26bff1b7eb3bf27 { id:'7810e0496a1c91a16102736b00a6f26da0baa42874a907fff26bff1b7eb3bf27',status:'200',events:[]...
account:Tester001 Identity identity=new Identity("c60a9d48105950a0cca07a4c6320b98c303ad42d694a634529e8e1a0a16fcdb5");listen account boolean result=sdk.getEventService().listenAccount(identity,handler,EventModelType.PUSH)...
Monitoring and logging can help you ensure the availability,performance,and healthiness of your services.You can enable monitoring to collect metrics.Alibaba Cloud provides a wide variety of monitoring and auditing ...