exitcode

const (
	// Indicates a method parameter is invalid.
	ErrIllegalArgument = FirstActorErrorCode + iota
	// Indicates a requested resource does not exist.
	ErrNotFound
	// Indicates an action is disallowed.
	ErrForbidden
	// Indicates a balance of funds is insufficient.
	ErrInsufficientFunds
	// Indicates an actor's internal state is invalid.
	ErrIllegalState
	// Indicates de/serialization failure within actor code.
	ErrSerialization

	// Common error codes stop here.  If you define a common error code above
	// this value it will have conflicting interpretations
	FirstActorSpecificExitCode = ExitCode(32)
)

const (
	Ok = ExitCode(0)

	// Indicates that the actor identified as the sender of a message is not valid as a message sender:
	// - not present in the state tree
	// - not an account actor (for top-level messages)
	// - code CID is not found or invalid
	// (not found in the state tree, not an account, has no code).
	SysErrSenderInvalid = ExitCode(1)

	// Indicates that the sender of a message is not in a state to send the message:
	// - invocation out of sequence (mismatched CallSeqNum)
	// - insufficient funds to cover execution
	SysErrSenderStateInvalid = ExitCode(2)

	// Indicates failure to find a method in an actor.
	SysErrInvalidMethod = ExitCode(3)

	// Unused.
	SysErrReserved1 = ExitCode(4)

	// Indicates that the receiver of a message is not valid (and cannot be implicitly created).
	SysErrInvalidReceiver = ExitCode(5)

	// Indicates that a message sender has insufficient balance for the value being sent.
	// Note that this is distinct from SysErrSenderStateInvalid when a top-level sender can't cover
	// value transfer + gas. This code is only expected to come from inter-actor sends.
	SysErrInsufficientFunds = ExitCode(6)

	// Indicates message execution (including subcalls) used more gas than the specified limit.
	SysErrOutOfGas = ExitCode(7)

	// Indicates message execution is forbidden for the caller by runtime caller validation.
	SysErrForbidden = ExitCode(8)

	// Indicates actor code performed a disallowed operation. Disallowed operations include:
	// - mutating state outside of a state acquisition block
	// - failing to invoke caller validation
	// - aborting with a reserved exit code (including success or a system error).
	SysErrorIllegalActor = ExitCode(9)

	// Indicates an invalid argument passed to a runtime method.
	SysErrorIllegalArgument = ExitCode(10)

	// Unused
	SysErrReserved2 = ExitCode(11)
	SysErrReserved3 = ExitCode(12)
	SysErrReserved4 = ExitCode(13)
	SysErrReserved5 = ExitCode(14)
	SysErrReserved6 = ExitCode(15)
)

const FirstActorErrorCode = ExitCode(16)