Database writing multicall

[pikonha]

Database writing multicall

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Description

It add supports to writing multicall to the DatabaseResolver allowing users to send a batch of requests at one that will be handled by the API.

Related Issue

#119

Changes

• New feature implementation
• Bug fix
• Code refactoring
• Documentation update
• Other (please specify)

Changes to Core Features:

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• Have you written new tests for your core changes, as applicable?
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[alextnetto]

Why do we need a parameter here? My understanding is that a multicall would be treated as another call (setText for example).