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CTO Language Statements
What are Business Network Model CTO Language Statements? Business Network Model CTO language supports 8 types of statements. namespace - The "namespace" statement declares a namespace as the prefix for all data types defined in this CTO file. The "namespace" statement has the same syntax as the "nam...
2021-08-04, 448👍, 1💬

💬 2021-08-04 chelseaclark: Classical methods to analyze kinase activity involve the quantification of phosphoryl transfer by detecting the production of th...

What Is CTO Modeling Language
What is Business Network CTO Modeling Language? Business Network CTO Modeling Language is a special data modeling language to define complex data types from primitive data types. CTO source code can be stored in a single or multiple files with the *.cto file extension. Each CTO source code file shou...
2021-08-01, 428👍, 0💬

"participant" CTO Statement Syntax
What is the syntax of the "participant" CTO Statement The "participant" CTO statement declares a participant data type to represent someone who can interact with the business network under access control rules. Here is the syntax of a "participant" statement: [abstract] participant type_name [identi...
2021-08-01, 412👍, 0💬

"asset" CTO Statement Syntax
What is the syntax of the "asset" CTO Statement The "asset" statement declares a generic data type to represent primary data entities that can be referenced with their unique IDs. Here is the syntax of an "asset" statement: [abstract] asset type_name [identified by id_name] | [extends super_type] { ...
2021-08-01, 414👍, 0💬

"transaction" CTO Statement Syntax
What is the syntax of the "transaction" CTO Statement The "transaction" statement declares the input message structure of a transaction type, which can be submitted to the business network for processing. Here is the syntax of an "transaction" statement: transaction type_name [extends super_type] { ...
2021-08-01, 389👍, 0💬

"concept" CTO Statement Syntax
What is the syntax of the "concept" CTO Statement The "concept" statement declares a generic data type to represent secondary data entities to support primary data entities. Here is the syntax of an "concept" statement: concept type_name [extends super_type] { o|--> property_type property_nam...
2021-06-19, 436👍, 0💬

"event" CTO Statement Syntax
What is the syntax of the "event" CTO Statement? The "event" statement declares the output message structure of an event type, which can be emitted from the business network for external systems to consume. Here is the syntax of an "event" statement: event type_name [extends super_type] { o|--&g...
2021-06-19, 419👍, 0💬

CTO Language Primitive Data Types
What are CTO Language Primitive Data Types? CTO Language Primitive Data Types built-in system data types that you can use them to build new data types Currently, there are 6 primitive data types supported: String - Represets a string of Unicode characters. Double - Represets a double precision (64-b...
2021-06-19, 413👍, 0💬

Business Network JS Scripting Language
Where to find tutorials on Business Network JS Scripting Language. Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Business Network JS Scripting Language. What Is JS Scripting Language "transaction" Process Function Syntax "transaction" Data Ty...
2021-06-19, 413👍, 0💬

"enum" CTO Statement Syntax
What is the syntax of the "enum" CTO Statement The "enum" statement declares an enumeration data type to represent data values with predefined options. Here is the syntax of an "enum" statement: enum type_name [extends super_type] { o value_option ... } Syntax elements used in a "transaction" CTO St...
2021-06-19, 409👍, 0💬

What Is JS Scripting Language
What is Business Network JS Scripting Language? Business Network JS Scripting Language is the standard JavaScript language to define business logics on how each transaction is processed. JavaScript source code can be stored in a single or multiple files with the *.js file extension. Each JavaScript ...
2021-06-05, 418👍, 0💬

"transaction" Process Function Syntax
What is the syntax of "transaction" process function in the JavaScript file? A "transaction" process function is a regular JavaScription function that has two extra decorators: "@transaction" and "@param". Here is the syntax of a "transaction" process function statement: /* @transaction * @param {tr...
2021-06-05, 410👍, 0💬

"transaction" Data Type Declared in CTO
How to declare a "transaction" data type in the CTO model file? If you want your Hyplerledger Composer business network to accept a business transaction, you need to use the "transaction" CTO statement to declare a "transaction" data type in a CTO model file. The "transaction" data type specifies ho...
2021-06-05, 423👍, 0💬

"transaction" Process Function Defined in JS
How to define a "transaction" process function in the JS scripting file? If you want your Hyplerledger Composer business network to process a business transaction, you need to the "function" JavaScript statement to define a "transaction" process function in a JS scripting file. When Hyplerledger Com...
2021-06-05, 422👍, 0💬

View "console.log()" Output in Playground
How to view "console.log()" Output in Hyperledger Composer Playground? If you use "console.log()" to print out debug information in your transaction process functions, you can follow this tutorial to see the "console.log()" in Hyperledger Composer Playground. 1. Add the following CTO modeling file t...
2021-06-05, 426👍, 0💬

Hyplerledger Composer Environment Requirement
What are requirements for installing the a Hyplerledger Composer development environment? Here are requirements for installing the a Hyplerledger Composer development environment: Operating System - Ubuntu Linux 14.04 / 16.04 LTS, or Mac OS 10.12. Docker Engine - Version 17.03 or higher. Docker Engi...
2021-05-04, 449👍, 0💬

Verify Hyperledger Composer Prerequisites on Ubuntu
How to verify Hyplerledger Composer Prerequisites on Ubuntu? You can use the following commands to verify Hyplerledger Composer Prerequisites on Ubuntu: 1. Verify Docker Engine: $ docker --version Docker version 18.09.2, build 6247962 $ ps -e | grep dockerd 17939 ? 00:39:58 dockerd 2. Verify Docker ...
2021-05-04, 445👍, 0💬

Install Hyplerledger Composer Environment
Where to find tutorials on installing Hyplerledger Composer Environment on Ubuntu. Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on installing Hyplerledger Composer Environment on Ubuntu. Hyplerledger Composer Environment Requirement Install Com...
2021-05-04, 436👍, 0💬

Install Composer Prerequisites on Ubuntu
How to install Hyplerledger Composer Prerequisites on Ubuntu? The best way to install Hyplerledger Composer Prerequisites on Ubuntu is to download and run the prereqs-ubuntu.sh script. 1. Verify your Ubuntu version: $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: U...
2021-05-04, 417👍, 0💬

Install Hyperledger Composer on UBuntu
How to install Hyplerledger Composer on Ubuntu? You can follow this tutorial to install Hyplerledger Composer on Ubuntu 1. Install Hyplerledger Composer CLI: $ sudo npm install -g composer-cli ... installation messages ... $ composer --version v0.20.8 2. Install Hyplerledger Composer REST API Server...
2021-05-04, 408👍, 0💬

Install Hyperledger Fabric on UBuntu
How to install Hyplerledger Fabric on Ubuntu? You can follow this tutorial to install Hyplerledger Fabric on Ubuntu. 1. Download the Hyplerledger Fabric Dev Environment package: $ mkdir fabric-dev-servers $ cd fabric-dev-servers $ curl -O https://raw.githubusercontent. com/hyperledger/composer-tools...
2021-04-04, 435👍, 0💬

Issue to Install "npm 5.x" on Ubuntu 18
Why I can only install "npm 3.5.2" on Ubuntu 18? If you are running Ubuntu 18, the default "apt install npm" command will only insatlle "npm 3.5.2: $ sudo apt install npm ... installing the "npm" package $ sudo apt install npm Reading package lists... Done Building dependency tree Reading state info...
2021-04-04, 429👍, 0💬

Start/Stop Hyperledger Fabric Dev Environment
How to start and stop Hyplerledger Fabric Dev Environment? You can follow this tutorial to start and stop Hyplerledger Fabric on Ubuntu. 1. Make sure the Docker Engine is running: $ ps -e | grep dockerd 17939 ? 00:39:58 dockerd $ docker info Containers: 6 Running: 4 Paused: 0 Stopped: 2 Images: 88 S...
2021-04-04, 427👍, 0💬

Warning on Incompatible "npm" Version
Why I am getting the Incompatible "npm" Version warning with installating Hyplerledger Composer CLI on Ubuntu? You may get the Incompatible "npm" Version warning, if you install Hyplerledger Composer CLI with the "@0.20" version option: $ sudo npm install -g composer-cli@0.20 WARN engine composer-cl...
2021-04-04, 414👍, 0💬

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