Ensure network transaction type only passed in a network transaction chain

[ghost]

Is your feature request related to a problem?

Network transactions are transaction which have a direct impact on the network and replications from shared secrets, to oracle and miner rewards.
Hence not other transaction chain should have the same type, ex: single shared secrets, single miner reward chain, ...

Describe the solution you'd like

We can check the previous public key of the transaction to get previous and perform verification about the last address known by its type of transaction, and hence validate it or not.

So the network transaction types cannot be used by anybody.

Additional context

No response

[ghost]

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[Neylix]

We can create a common function which takes the previous public key and the transaction type ine parameters and depending of the type it will get the good transaction chain and check if the previous public key is part of this chain

[samuelmanzanera]

Closed by #495