November 2018
Intermediate to advanced
528 pages
13h 21m
English
Content preview from Blockchain By Example
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Access control definition
It's possible, optionally, to define an access control list (ACL) to set the permissions of the business network. The rules in the ACL can determine which user (roles) are permitted to create, read, update, or delete the business network domain model elements. There are two types of ACL rules: simple and conditional.
Simple ACL rules are used to control the resources that participants can access, for example:
rule ExampleSimpleRule { description: "Example Description of Simple Rule" participant: "org.example.SampleParticipant" operation: ALL resource: "org.example.SampleAsset" action: ALLOW}
The preceding simple rule, shows that the participant SampleParticipant can perform all operations on the resources of the ...
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