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EVM-C: Extend evm_result

This commit is contained in:
Paweł Bylica 2016-08-25 12:11:24 +02:00
parent 6d2b6efa90
commit cd72d30018
1 changed files with 22 additions and 20 deletions
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42
include/evm.h
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@ -60,43 +60,45 @@ struct evm_hash256 {
}; };
/// The outcome of an execution. /// The outcome of an execution.
enum evm_result_outcome { enum evm_result_error_code {
EVM_SUCCESS = 1, EVM_SUCCESS = 0,
EVM_FAILURE = 1,
EVM_OUT_OF_GAS = 2, EVM_OUT_OF_GAS = 2,
EVM_BAD_INSTRUCTION = 3, EVM_BAD_INSTRUCTION = 3,
EVM_BAD_JUMP_DESTINATION = 4, EVM_BAD_JUMP_DESTINATION = 4,
EVM_STACK_OVERFLOW = 5, EVM_STACK_OVERFLOW = 5,
EVM_STACK_UNDERFLOW = 6, EVM_STACK_UNDERFLOW = 6,
EVM_EXCEPTION = 7
}; };
/// Complex struct representing execution result. /// The EVM code execution result.
struct evm_result { struct evm_result {
/// The outcome of the execution. /// The result error code.
enum evm_result_outcome outcome; enum evm_result_error_code error_code;
/// Optional reason why the execution didn't succeed. /// The amount of gas left after the execution.
/// @see outcome. ///
const char *outcome_reason; /// The value is valid only if error_code == ::EVM_SUCCESS.
/// The last program counter position
/// It can be optionally present when certain conditions are hit.
/// @see outcome.
int32_t last_pc;
/// Gas left after execution.
int64_t gas_left; int64_t gas_left;
/// Rerefence to output data. The memory containing the output data /// The rerefence to output data. The memory containing the output data
/// is owned by EVM and is freed with evm_destroy_result(). /// is owned by EVM and is freed with evm_release_result().
uint8_t const* output_data; uint8_t const* output_data;
/// Size of the output data. /// The size of the output data.
size_t output_size; size_t output_size;
/// Pointer to EVM-owned memory. /// @defgroup Optional
/// The optional information that EVM is not required to provide.
/// @{
/// The pointer to EVM-owned memory. For EVM internal use.
/// @see output_data. /// @see output_data.
void* internal_memory; void* internal_memory;
/// The error message explaining the error_code.
char const* error_message;
/// @}
}; };
/// The query callback key. /// The query callback key.