The public table of operation parameters
Each operation has a unique hash. If there are multiple transactions in a single operation, the hash is calculated separately for each transaction. To calculate the hash of an operation, you must first understand which parameters are used in the operation.
The parameters' composition is determined by the type of operation. Some operations may have a set of parameters, whereas others may have their own set. The number of parameters varies as well. Parameters can be complex, containing an entire file, image, or digital signature, or simple, containing only letters or numbers, such as the Nonce parameter, which is always present in every transaction.
To calculate the hash of an operation correctly, the system employs a special parameter table from which it is possible to determine how to calculate the values of each parameter, as well as the correct order of values, to obtain the correct hash of the operation.
There is also a version of the parameter table.
When the parameter table is modified, the new table is registered in the blockchain via the system contract, and its version is updated and changed.
When checking transaction values, if an older version of the table was used in earlier operations, the version of the parameter table that was current at the time of the operation is used.
A public parameter table enables anyone to independently verify the accuracy of any operation.
Another important and necessary step in successfully launching the network was the publication of a public and up-to-date table of operation parameters.
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