Writes a bad request error in the form of JSON to the HTTP response.

Writes a internal server error in the form of JSON to the HTTP response.

Writes a internal server error in the form of JSON to the HTTP response (takes an error as a string).

Returns a JSON response with a 404 status.

Returns a response with a 200 status Encodes the provided content into JSON format.

The endpoint that accepts the DataItems as described in AND-104 wraps it with a Cosmos transaction and broadcasts it to the network.

The endpoint that returns the account address and nonce for the given fields of the DataItem: owner (in Base64URL format) and signature type.

The endpoint that returns the transaction hash for a given data item id.

The endpoint that returns the transaction hash for a given sender and nonce.