Enum eq_balances::SignedBalance

pub enum SignedBalance<Balance> where
    Balance: Member,  {
    Positive(Balance),
    Negative(Balance),
}

Balance representation based on number generic Balance

Variants

Positive(Balance)

Negative(Balance)

Implementations

impl<Balance> SignedBalance<Balance> where
    Balance: Member + AtLeast32Bit, 

pub fn sub_balance(&self, other: Balance) -> Option<SignedBalance<Balance>>

pub fn add_balance(&self, other: Balance) -> Option<SignedBalance<Balance>>

pub fn abs(&self) -> Balance

pub fn negate(&self) -> SignedBalance<Balance>

Trait Implementations

impl<Balance> Add<SignedBalance<Balance>> for SignedBalance<Balance> where
    Balance: Member + AtLeast32Bit, 

type Output = SignedBalance<Balance>

The resulting type after applying the + operator.

fn add(self, rhs: SignedBalance<Balance>) -> SignedBalance<Balance>

Performs the + operation.

impl<Balance> Clone for SignedBalance<Balance> where
    Balance: Clone + Member, 

fn clone(&self) -> SignedBalance<Balance>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<Balance> Debug for SignedBalance<Balance> where
    Balance: Member + Debug, 

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

Formats the value using the given formatter.

impl<Balance> Decode for SignedBalance<Balance> where
    Balance: Member + Decode, 

fn decode<__CodecInputEdqy>(
    __codec_input_edqy: &mut __CodecInputEdqy
) -> Result<SignedBalance<Balance>, Error> where
    __CodecInputEdqy: Input, 

Attempt to deserialise the value from input.

impl<Balance> Default for SignedBalance<Balance> where
    Balance: Member + Default, 

fn default() -> SignedBalance<Balance>

Returns the "default value" for a type.

impl<'de, Balance> Deserialize<'de> for SignedBalance<Balance> where
    Balance: Member + Deserialize<'de>, 

fn deserialize<__D>(
    __deserializer: __D
) -> Result<SignedBalance<Balance>, <__D as Deserializer<'de>>::Error> where
    __D: Deserializer<'de>, 

Deserialize this value from the given Serde deserializer.

impl<Balance> Encode for SignedBalance<Balance> where
    Balance: Member + Encode, 

fn encode_to<__CodecOutputEdqy>(
    &self,
    __codec_dest_edqy: &mut __CodecOutputEdqy
) where
    __CodecOutputEdqy: Output, 

Convert self to a slice and append it to the destination.

fn size_hint(&self) -> usize

If possible give a hint of expected size of the encoding.

fn encode(&self) -> Vec<u8>

Convert self to an owned vector.

fn using_encoded<R, F>(&self, f: F) -> R where
    F: FnOnce(&[u8]) -> R, 

Convert self to a slice and then invoke the given closure with it.

impl<Balance> EncodeLike<SignedBalance<Balance>> for SignedBalance<Balance> where
    Balance: Member + Encode, 

impl<'_, B, P, N> From<&'_ SignedImbalance<B, P>> for SignedBalance<B> where
    B: Copy + Debug + FullCodec + Member + MaybeSerializeDeserialize + AtLeast32Bit + Default,
    N: Imbalance<B, Opposite = P>,
    P: Imbalance<B, Opposite = N>, 

fn from(imbalance: &SignedImbalance<B, P>) -> SignedBalance<B>

Performs the conversion.

impl<Balance> PartialEq<SignedBalance<Balance>> for SignedBalance<Balance> where
    Balance: PartialEq<Balance> + Member, 

fn eq(&self, other: &SignedBalance<Balance>) -> bool

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

fn ne(&self, other: &SignedBalance<Balance>) -> bool

This method tests for !=.

impl<Balance> Serialize for SignedBalance<Balance> where
    Balance: Member + Serialize, 

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

Serialize this value into the given Serde serializer.

impl<T: Trait> StorageDoubleMap<<T as Trait>::AccountId, Currency, SignedBalance<<T as Trait>::Balance>> for Account<T>

type Query = SignedBalance<T::Balance>

The type that get/take returns.

type Hasher1 = Blake2_128Concat

Hasher for the first key.

type Hasher2 = Blake2_128Concat

Hasher for the second key.

fn module_prefix() -> &'static [u8]

Module prefix. Used for generating final key.

fn storage_prefix() -> &'static [u8]

Storage prefix. Used for generating final key.

fn from_optional_value_to_query(
    v: Option<SignedBalance<T::Balance>>
) -> Self::Query

Convert an optional value retrieved from storage to the type queried.

fn from_query_to_optional_value(
    v: Self::Query
) -> Option<SignedBalance<T::Balance>>

Convert a query to an optional value into storage.

fn prefix_hash() -> Vec<u8>

The full prefix; just the hash of module_prefix concatenated to the hash of storage_prefix.

fn storage_double_map_final_key1<KArg1>(k1: KArg1) -> Vec<u8> where
    KArg1: EncodeLike<K1>, 

Generate the first part of the key used in top storage.

fn storage_double_map_final_key<KArg1, KArg2>(k1: KArg1, k2: KArg2) -> Vec<u8> where
    KArg1: EncodeLike<K1>,
    KArg2: EncodeLike<K2>, 

Generate the full key used in top storage.

impl<T: Trait> StoragePrefixedMap<SignedBalance<<T as Trait>::Balance>> for Account<T>

fn module_prefix() -> &'static [u8]

Module prefix. Used for generating final key.

fn storage_prefix() -> &'static [u8]

Storage prefix. Used for generating final key.

fn final_prefix() -> [u8; 32]

Final full prefix that prefixes all keys.

fn remove_all()

Remove all value of the storage.

fn iter_values() -> PrefixIterator<Value>

Iter over all value of the storage.

fn translate_values<OldValue, TV>(translate_val: TV) -> Result<(), u32> where
    OldValue: Decode,
    TV: Fn(OldValue) -> Value, 

Translate the values from some previous OldValue to the current type.

impl<Balance> StructuralPartialEq for SignedBalance<Balance> where
    Balance: Member, 

impl<Balance> Sub<SignedBalance<Balance>> for SignedBalance<Balance> where
    Balance: Member + AtLeast32Bit, 

type Output = SignedBalance<Balance>

The resulting type after applying the - operator.

fn sub(self, rhs: SignedBalance<Balance>) -> SignedBalance<Balance>

Performs the - operation.

impl<Balance> Zero for SignedBalance<Balance> where
    Balance: Member + AtLeast32Bit, 

fn zero() -> SignedBalance<Balance>

Returns the additive identity element of Self, 0. # Purity

fn is_zero(&self) -> bool

Returns true if self is equal to the additive identity.

fn set_zero(&mut self)

Sets self to the additive identity element of Self, 0.