Enum stellar_xdr::next::ContractCostType

#[repr(i32)]
pub enum ContractCostType {
    WasmInsnExec = 0,
    MemAlloc = 1,
    MemCpy = 2,
    MemCmp = 3,
    DispatchHostFunction = 4,
    VisitObject = 5,
    ValSer = 6,
    ValDeser = 7,
    ComputeSha256Hash = 8,
    ComputeEd25519PubKey = 9,
    VerifyEd25519Sig = 10,
    VmInstantiation = 11,
    VmCachedInstantiation = 12,
    InvokeVmFunction = 13,
    ComputeKeccak256Hash = 14,
    ComputeEcdsaSecp256k1Sig = 15,
    RecoverEcdsaSecp256k1Key = 16,
    Int256AddSub = 17,
    Int256Mul = 18,
    Int256Div = 19,
    Int256Pow = 20,
    Int256Shift = 21,
    ChaCha20DrawBytes = 22,
}

Available on crate feature next only.

ContractCostType is an XDR Enum defines as:

enum ContractCostType {
    // Cost of running 1 wasm instruction
    WasmInsnExec = 0,
    // Cost of allocating a slice of memory (in bytes)
    MemAlloc = 1,
    // Cost of copying a slice of bytes into a pre-allocated memory
    MemCpy = 2,
    // Cost of comparing two slices of memory
    MemCmp = 3,
    // Cost of a host function dispatch, not including the actual work done by
    // the function nor the cost of VM invocation machinary
    DispatchHostFunction = 4,
    // Cost of visiting a host object from the host object storage. Exists to
    // make sure some baseline cost coverage, i.e. repeatly visiting objects
    // by the guest will always incur some charges.
    VisitObject = 5,
    // Cost of serializing an xdr object to bytes
    ValSer = 6,
    // Cost of deserializing an xdr object from bytes
    ValDeser = 7,
    // Cost of computing the sha256 hash from bytes
    ComputeSha256Hash = 8,
    // Cost of computing the ed25519 pubkey from bytes
    ComputeEd25519PubKey = 9,
    // Cost of verifying ed25519 signature of a payload.
    VerifyEd25519Sig = 10,
    // Cost of instantiation a VM from wasm bytes code.
    VmInstantiation = 11,
    // Cost of instantiation a VM from a cached state.
    VmCachedInstantiation = 12,
    // Cost of invoking a function on the VM. If the function is a host function,
    // additional cost will be covered by `DispatchHostFunction`.
    InvokeVmFunction = 13,
    // Cost of computing a keccak256 hash from bytes.
    ComputeKeccak256Hash = 14,
    // Cost of computing an ECDSA secp256k1 signature from bytes.
    ComputeEcdsaSecp256k1Sig = 15,
    // Cost of recovering an ECDSA secp256k1 key from a signature.
    RecoverEcdsaSecp256k1Key = 16,
    // Cost of int256 addition (`+`) and subtraction (`-`) operations
    Int256AddSub = 17,
    // Cost of int256 multiplication (`*`) operation
    Int256Mul = 18,
    // Cost of int256 division (`/`) operation
    Int256Div = 19,
    // Cost of int256 power (`exp`) operation
    Int256Pow = 20,
    // Cost of int256 shift (`shl`, `shr`) operation
    Int256Shift = 21,
    // Cost of drawing random bytes using a ChaCha20 PRNG
    ChaCha20DrawBytes = 22
};

Variants

WasmInsnExec = 0

MemAlloc = 1

MemCpy = 2

MemCmp = 3

DispatchHostFunction = 4

VisitObject = 5

ValSer = 6

ValDeser = 7

ComputeSha256Hash = 8

ComputeEd25519PubKey = 9

VerifyEd25519Sig = 10

VmInstantiation = 11

VmCachedInstantiation = 12

InvokeVmFunction = 13

ComputeKeccak256Hash = 14

ComputeEcdsaSecp256k1Sig = 15

RecoverEcdsaSecp256k1Key = 16

Int256AddSub = 17

Int256Mul = 18

Int256Div = 19

Int256Pow = 20

Int256Shift = 21

ChaCha20DrawBytes = 22

Implementations

impl ContractCostType

pub const VARIANTS: [ContractCostType; 23] = _

pub const VARIANTS_STR: [&'static str; 23] = _

pub const fn name(&self) -> &'static str

pub const fn variants() -> [ContractCostType; 23]

Trait Implementations

impl<'arbitrary> Arbitrary<'arbitrary> for ContractCostType

fn arbitrary(u: &mut Unstructured<'arbitrary>) -> Result<Self>

Generate an arbitrary value of Self from the given unstructured data.

fn arbitrary_take_rest(u: Unstructured<'arbitrary>) -> Result<Self>

Generate an arbitrary value of Self from the entirety of the given unstructured data.

fn size_hint(depth: usize) -> (usize, Option<usize>)

Get a size hint for how many bytes out of an Unstructured this type needs to construct itself.

impl Clone for ContractCostType

fn clone(&self) -> ContractCostType

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ContractCostType

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ContractCostType

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for ContractCostType

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl From<ContractCostType> for i32

fn from(e: ContractCostType) -> Self

Converts to this type from the input type.

impl Hash for ContractCostType

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Name for ContractCostType

fn name(&self) -> &'static str

impl Ord for ContractCostType

fn cmp(&self, other: &ContractCostType) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized + PartialOrd,

Restrict a value to a certain interval.

impl PartialEq for ContractCostType

fn eq(&self, other: &ContractCostType) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for ContractCostType

fn partial_cmp(&self, other: &ContractCostType) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl ReadXdr for ContractCostType

fn read_xdr<R: Read>(r: &mut Limited<R>) -> Result<Self, Error>

Available on crate feature std only.

Read the XDR and construct the type.

fn read_xdr_base64<R: Read>(r: &mut Limited<R>) -> Result<Self, Error>

Available on crate feature base64 only.

Construct the type from the XDR bytes base64 encoded.

fn read_xdr_to_end<R: Read>(r: &mut Limited<R>) -> Result<Self, Error>

Available on crate feature std only.

Read the XDR and construct the type, and consider it an error if the read does not completely consume the read implementation.

fn read_xdr_base64_to_end<R: Read>(r: &mut Limited<R>) -> Result<Self, Error>

Available on crate feature base64 only.

Construct the type from the XDR bytes base64 encoded.

fn read_xdr_into<R: Read>(&mut self, r: &mut Limited<R>) -> Result<(), Error>

Available on crate feature std only.

Read the XDR and construct the type.

fn read_xdr_into_to_end<R: Read>( &mut self, r: &mut Limited<R> ) -> Result<(), Error>

Available on crate feature std only.

Read the XDR into the existing value, and consider it an error if the read does not completely consume the read implementation.

fn read_xdr_iter<R: Read>(r: &mut Limited<R>) -> ReadXdrIter<&mut R, Self>

Available on crate feature std only.

Create an iterator that reads the read implementation as a stream of values that are read into the implementing type.

fn read_xdr_base64_iter<R: Read>( r: &mut Limited<R> ) -> ReadXdrIter<DecoderReader<'_, R>, Self>

Available on crate feature base64 only.

Create an iterator that reads the read implementation as a stream of values that are read into the implementing type.

fn from_xdr(bytes: impl AsRef<[u8]>, limits: Limits) -> Result<Self, Error>

Available on crate feature std only.

Construct the type from the XDR bytes.

fn from_xdr_base64(b64: impl AsRef<[u8]>, limits: Limits) -> Result<Self, Error>

Available on crate feature base64 only.

Construct the type from the XDR bytes base64 encoded.

impl Serialize for ContractCostType

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl TryFrom<i32> for ContractCostType

type Error = Error

The type returned in the event of a conversion error.

fn try_from(i: i32) -> Result<Self, Error>

Performs the conversion.

impl Variants<ContractCostType> for ContractCostType

fn variants() -> Iter<'static, ContractCostType>

impl WriteXdr for ContractCostType

fn write_xdr<W: Write>(&self, w: &mut Limited<W>) -> Result<(), Error>

Available on crate feature std only.

fn to_xdr(&self, limits: Limits) -> Result<Vec<u8>, Error>

Available on crate feature std only.

fn to_xdr_base64(&self, limits: Limits) -> Result<String, Error>

Available on crate feature base64 only.

impl Copy for ContractCostType

impl Enum for ContractCostType

impl Eq for ContractCostType

impl StructuralEq for ContractCostType

impl StructuralPartialEq for ContractCostType