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Enumeration EvmcStorageStatus

The effect of an attempt to modify a contract storage item.

For the purpose of explaining the meaning of each element, the following notation is used:

  • 0 is zero value,
  • X != 0 (X is any value other than 0),
  • Y != X, Y != 0 (Y is any value other than X and 0),
  • Z != Y (Z is any value other than Y),
  • the "->" means the change from one value to another.

Index

Enumeration members

Enumeration members

EVMC_STORAGE_ADDED

EVMC_STORAGE_ADDED: = 3

A new storage item has been added: 0 -> X.

EVMC_STORAGE_DELETED

EVMC_STORAGE_DELETED: = 4

A storage item has been deleted: X -> 0.

EVMC_STORAGE_MODIFIED

EVMC_STORAGE_MODIFIED: = 1

The value of a storage item has been modified: X -> Y.

EVMC_STORAGE_MODIFIED_AGAIN

EVMC_STORAGE_MODIFIED_AGAIN: = 2

A storage item has been modified after being modified before: X -> Y -> Z.

EVMC_STORAGE_UNCHANGED

EVMC_STORAGE_UNCHANGED: = 0

The value of a storage item has been left unchanged: 0 -> 0 and X -> X.

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