While using Hyperledger Fabric, a user wants to define an asset named "vehicle" in chain code.Which of the following code formats can he use?Type Vehicle struct {<br /> Make string ‘json:”make”’ <br /> Category string ‘json:”category”’<br /> Model string ‘json:”model”’<br /> Color string ‘json:”color”’<br /> }Type Vehicle struct {<br /> String Make :”make” <br /> String Category :”category”<br /> String Model :”model”<br /> String Color: ”color”<br /> }Type Vehicle struct {<br /> String Make ‘xml:”make”’ <br /> String Category ‘xml:”category”’<br /> String Model ‘xml:”model”’<br /> String Color ‘xml:”color”’<br /> }Type Vehicle struct {<br /> Make string: “make” <br /> Category string: “category”<br /> Model string: “model”<br /> Color string: “color”<br /> }
Question
While using Hyperledger Fabric, a user wants to define an asset named "vehicle" in chain code.Which of the following code formats can he use?Type Vehicle struct {<br /> Make string ‘json:”make”’ <br /> Category string ‘json:”category”’<br /> Model string ‘json:”model”’<br /> Color string ‘json:”color”’<br /> }Type Vehicle struct {<br /> String Make :”make” <br /> String Category :”category”<br /> String Model :”model”<br /> String Color: ”color”<br /> }Type Vehicle struct {<br /> String Make ‘xml:”make”’ <br /> String Category ‘xml:”category”’<br /> String Model ‘xml:”model”’<br /> String Color ‘xml:”color”’<br /> }Type Vehicle struct {<br /> Make string: “make” <br /> Category string: “category”<br /> Model string: “model”<br /> Color string: “color”<br /> }
Solution
The correct format to define an asset named "vehicle" in chain code while using Hyperledger Fabric is:
type Vehicle struct {
Make string `json:"make"`
Category string `json:"category"`
Model string `json:"model"`
Color string `json:"color"`
}
This is because Hyperledger Fabric chaincode is written in Go, and this is the correct syntax for defining a struct (similar to an object in other languages) in Go. The json:"make" part is a struct tag that specifies how the struct field should be encoded to/decoded from JSON. This is useful when the JSON field name is different from the struct field name, or if you want to include or exclude certain fields when the struct is converted to JSON.
Similar Questions
While using Hyperledger, a user can represent the assets in which of the following formats?[i] XML[ii] JSON[iii] BinaryOnly i and iiOnly i and iiiOnly ii and iiiAll i, ii, and iii
Architecture of Hyperledger Fabric
In Hyperledger Fabric, the SDKs are written in which of the following programming languages?(This question has multiple correct answers; choose all that apply)Node.jsRESTPerlC++
In Hyperledger Fabric, the SDKs are written in which of the following programming languages?(This question has multiple correct answers; choose all that apply)C++Node.jsPerlREST
Examine the components and workflow of Hyperledger fabric
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