hook

The main function of your hook

Concepts

• Compiling Hooks

Behaviour

• hook is a user defined function called by xahaud in order to fire your hook.

• Your hook function calls either accept or reject to pass or reject the originating transaction.

• If execution reaches the end of the function it is implicitly an accept.

Definition

C

int64_t hook (
    uint32_t reserved
)

Example

C

int64_t hook(uint32_t reserved)
{
  return 0;
}

Parameters

Name	Type	Description
reserved	uint32_t	Reserved for future use.

Return Code

Type	Description
int64_t	An arbitrary return code you wish to return from your hook. This will be present in the metadata of the originating transaction.