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January 18, 2023 16:51
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| pragma solidity ^0.8.17; | |
| contract IBCF_Client { | |
| // The action counter is used in the Tezos blockchain for ordering the actions sequentially and as replay attack prevention. | |
| uint action_counter; | |
| // Proof slot | |
| mapping(uint => string) action_registry; | |
| /** | |
| * Modifier to increase the action counter | |
| */ | |
| modifier increase_counter() { | |
| action_counter += 1; | |
| _; | |
| return; | |
| } | |
| /** | |
| * @dev Create a increment action. | |
| */ | |
| function increment() public increase_counter { | |
| // Update registry (The registry is used for proof generation) | |
| action_registry[action_counter] = "INCREMENT"; | |
| } | |
| /** | |
| * @dev Create a decrement action. | |
| */ | |
| function decrement() public increase_counter { | |
| // Update registry (The registry is used for proof generation) | |
| action_registry[action_counter] = "DECREMENT"; | |
| } | |
| } |
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