Crate pallet_revive_uapi

External C API to communicate with substrate contracts runtime module.

Refer to substrate FRAME contract module for more documentation.

Macros

• input
  Utility macro to read input passed to a contract.
• output
  Utility macro to invoke a host function that expect a output: &mut &mut [u8] as last argument.
• u64_output
  Call the host function and convert the [u8; 32] output to u64.
• unwrap_output
  Similar to output! but unwraps the result.

Structs

• CallFlags
  Flags used to change the behaviour of seal_call and seal_delegate_call.
• ReturnCode
  The raw return code returned by the host side.
• ReturnFlags
  Flags used by a contract to customize exit behaviour.
• StorageFlags
  Flags used by a contract to customize storage behaviour.

Enums

• HostFnImpl
  Implements HostFn when compiled on supported architectures (RISC-V).
• ReturnErrorCode
  Every error that can be returned to a contract when it calls any of the host functions.

Traits

• HostFn
  Defines all the host apis available to contracts.

Functions

• pack_hi_lo
  Helper to pack two u32 values into a u64 register.
• u256_bytes
  Convert a u64 into a [u8; 32].