status-im
/
evmc
mirror of https://github.com/status-im/evmc.git
2
0
Fork 0
Code Issues Projects Releases Wiki Activity

EVM-C: Change store_storage() to update() function 

Change store_storage() function to more generic update() function for modifying a contract state. The update() function is going to be used also for logs and selfdesctruction.
This commit is contained in:
Paweł Bylica 2016-07-05 00:03:25 +02:00
parent 7db0430bd8
commit c7d4a57a90
1 changed files with 17 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
include/evm.h
View File

@ -111,6 +111,7 @@ enum evm_query_key {
EVM_CODE_BY_ADDRESS, ///< Code by an address for EXTCODE/SIZE.
EVM_BALANCE, ///< Balance of a given address for BALANCE.
EVM_BLOCKHASH, ///< Block hash of a given block number for BLOCKHASH.
/// TODO: Rename to EVM_SLOAD
EVM_STORAGE, ///< Storage value of a given key for SLOAD.
};
@ -178,13 +179,16 @@ typedef union evm_variant (*evm_query_fn)(struct evm_env* env,
union evm_variant arg);
/// Callback function for modifying the storage.
///
/// Endianness: host-endianness is used because C++'s storage API uses big ints,
/// not bytes. What do you use?
typedef void (*evm_store_storage_fn)(struct evm_env* env,
struct evm_uint256 key,
struct evm_uint256 value);
enum evm_update_key {
EVM_SSTORE,
};
/// Callback function for modifying a contract state.
typedef void (*evm_update_fn)(struct evm_env* env,
enum evm_update_key key,
union evm_variant arg1,
union evm_variant arg2);
/// The kind of call-like instruction.
enum evm_call_kind {
@ -250,13 +254,13 @@ struct evm_instance;
/// **multiple instances is safe but discouraged** as it has not benefits over
/// having the singleton.
///
/// @param query_fn Pointer to query callback function. Nonnull.
/// @param storage_fn Pointer to storage callback function. Nonnull.
/// @param call_fn Pointer to call callback function. Nonnull.
/// @param log_fn Pointer to log callback function. Nonnull.
/// @return Pointer to the created EVM instance.
/// @param query_fn Pointer to query callback function. Nonnull.
/// @param update_fn Pointer to update callback function. Nonnull.
/// @param call_fn Pointer to call callback function. Nonnull.
/// @param log_fn Pointer to log callback function. Nonnull.
/// @return Pointer to the created EVM instance.
struct evm_instance* evm_create(evm_query_fn query_fn,
evm_store_storage_fn storage_fn,
evm_update_fn update_fn,
evm_call_fn call_fn,
evm_log_fn log_fn);