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Edits to the common/schema/README.md file

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Troy McConaghy 2018-02-16 15:48:12 +01:00
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bigchaindb/common/schema/README.md
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@ -4,22 +4,24 @@ This directory contains the schemas for the different JSON documents BigchainDB
The aim is to provide:
- a strict definition of the data structures used in BigchainDB
- a language independent tool to validate the structure of incoming/outcoming
data (there are several ready to use
- a strict definition of the data structures used in BigchainDB,
- a language-independent tool to validate the structure of incoming/outcoming
data. (There are several ready to use
[implementations](http://json-schema.org/implementations.html) written in
different languages)
different languages.)
## Sources
The file defining the JSON Schema for votes (`vote.yaml`) is BigchainDB-specific.
The files defining the JSON Schema for transactions (`transaction_*.yaml`)
are copied from the [IPDB Protocol](https://github.com/ipdb/ipdb-protocol).
If you want to add a new version, you must add it to the IPDB Protocol first.
(You can't change existing versions. Those were used to validate old transactions
are based on the [IPDB Transaction Spec](https://github.com/ipdb/ipdb-tx-spec).
If you want to add a new transaction version,
you must add it to the IPDB Transaction Spec first.
(You can't change the JSON Schema files for old versions.
Those were used to validate old transactions
and are needed to re-check those transactions.)
The file defining the JSON Schema for votes (`vote.yaml`) is BigchainDB-specific.
## Learn about JSON Schema
A good resource is [Understanding JSON Schema](http://spacetelescope.github.io/understanding-json-schema/index.html).