@spec allowance(Ethers.Types.t_address(), Ethers.Types.t_address(), Keyword.t()) ::
  {:ok, [non_neg_integer()]}
  | {:ok, Ethers.Types.t_hash()}
  | {:ok, Ethers.Contract.t_function_output()}
  | {:error, term()}

Executes allowance(address _owner, address _spender) on the contract.

Default action for this function is :call. To override default action see Execution Options in Ethers.Contract.

parameters

Parameters

• _owner: :address
• _spender: :address
• overrides: Overrides and options for the call. See Execution Options in Ethers.Contract.

return-types

Return Types

• {:uint, 256}

@spec allowance!(Ethers.Types.t_address(), Ethers.Types.t_address(), Keyword.t()) ::
  [non_neg_integer()]
  | Ethers.Types.t_hash()
  | Ethers.Contract.t_function_output()
  | no_return()

Same as allowance/3 but raises Ethers.ExecutionError on errors.

@spec approve(Ethers.Types.t_address(), non_neg_integer(), Keyword.t()) ::
  {:ok, [boolean()]}
  | {:ok, Ethers.Types.t_hash()}
  | {:ok, Ethers.Contract.t_function_output()}
  | {:error, term()}

Executes approve(address _spender, uint256 _value) on the contract.

Default action for this function is :send. To override default action see Execution Options in Ethers.Contract.

parameters

Parameters

• _spender: :address
• _value: {:uint, 256}
• overrides: Overrides and options for the call. See Execution Options in Ethers.Contract.

return-types

Return Types

• :bool

@spec approve!(Ethers.Types.t_address(), non_neg_integer(), Keyword.t()) ::
  [boolean()]
  | Ethers.Types.t_hash()
  | Ethers.Contract.t_function_output()
  | no_return()

Same as approve/3 but raises Ethers.ExecutionError on errors.

@spec balance_of(Ethers.Types.t_address(), Keyword.t()) ::
  {:ok, [non_neg_integer()]}
  | {:ok, Ethers.Types.t_hash()}
  | {:ok, Ethers.Contract.t_function_output()}
  | {:error, term()}

Executes balanceOf(address _owner) on the contract.

Default action for this function is :call. To override default action see Execution Options in Ethers.Contract.

parameters

Parameters

• _owner: :address
• overrides: Overrides and options for the call. See Execution Options in Ethers.Contract.

return-types

Return Types

• {:uint, 256}

@spec balance_of!(Ethers.Types.t_address(), Keyword.t()) ::
  [non_neg_integer()]
  | Ethers.Types.t_hash()
  | Ethers.Contract.t_function_output()
  | no_return()

Same as balance_of/2 but raises Ethers.ExecutionError on errors.

@spec constructor() :: binary()

Prepares contract constructor values.

To deploy a contracts see Ethers.deploy/3.

parameters

Parameters

@spec decimals(Keyword.t()) ::
  {:ok, [non_neg_integer()]}
  | {:ok, Ethers.Types.t_hash()}
  | {:ok, Ethers.Contract.t_function_output()}
  | {:error, term()}

Executes decimals() on the contract.

Default action for this function is :call. To override default action see Execution Options in Ethers.Contract.

parameters

Parameters

• overrides: Overrides and options for the call. See Execution Options in Ethers.Contract.

return-types

Return Types

• {:uint, 8}

@spec decimals!(Keyword.t()) ::
  [non_neg_integer()]
  | Ethers.Types.t_hash()
  | Ethers.Contract.t_function_output()
  | no_return()

Same as decimals/1 but raises Ethers.ExecutionError on errors.

@spec default_address() :: Ethers.Types.t_address() | nil

Default address of the contract. Returns nil if not specified.

To specify a default address see Ethers.Contract

@spec name(Keyword.t()) ::
  {:ok, [String.t()]}
  | {:ok, Ethers.Types.t_hash()}
  | {:ok, Ethers.Contract.t_function_output()}
  | {:error, term()}

Executes name() on the contract.

Default action for this function is :call. To override default action see Execution Options in Ethers.Contract.

parameters

Parameters

• overrides: Overrides and options for the call. See Execution Options in Ethers.Contract.

return-types

Return Types

• :string

@spec name!(Keyword.t()) ::
  [String.t()]
  | Ethers.Types.t_hash()
  | Ethers.Contract.t_function_output()
  | no_return()

Same as name/1 but raises Ethers.ExecutionError on errors.

@spec symbol(Keyword.t()) ::
  {:ok, [String.t()]}
  | {:ok, Ethers.Types.t_hash()}
  | {:ok, Ethers.Contract.t_function_output()}
  | {:error, term()}

Executes symbol() on the contract.

Default action for this function is :call. To override default action see Execution Options in Ethers.Contract.

parameters

Parameters

• overrides: Overrides and options for the call. See Execution Options in Ethers.Contract.

return-types

Return Types

• :string

@spec symbol!(Keyword.t()) ::
  [String.t()]
  | Ethers.Types.t_hash()
  | Ethers.Contract.t_function_output()
  | no_return()

Same as symbol/1 but raises Ethers.ExecutionError on errors.

@spec total_supply(Keyword.t()) ::
  {:ok, [non_neg_integer()]}
  | {:ok, Ethers.Types.t_hash()}
  | {:ok, Ethers.Contract.t_function_output()}
  | {:error, term()}

Executes totalSupply() on the contract.

Default action for this function is :call. To override default action see Execution Options in Ethers.Contract.

parameters

Parameters

• overrides: Overrides and options for the call. See Execution Options in Ethers.Contract.

return-types

Return Types

• {:uint, 256}

@spec total_supply!(Keyword.t()) ::
  [non_neg_integer()]
  | Ethers.Types.t_hash()
  | Ethers.Contract.t_function_output()
  | no_return()

Same as total_supply/1 but raises Ethers.ExecutionError on errors.

@spec transfer(Ethers.Types.t_address(), non_neg_integer(), Keyword.t()) ::
  {:ok, [boolean()]}
  | {:ok, Ethers.Types.t_hash()}
  | {:ok, Ethers.Contract.t_function_output()}
  | {:error, term()}

Executes transfer(address _to, uint256 _value) on the contract.

Default action for this function is :send. To override default action see Execution Options in Ethers.Contract.

parameters

Parameters

• _to: :address
• _value: {:uint, 256}
• overrides: Overrides and options for the call. See Execution Options in Ethers.Contract.

return-types

Return Types

• :bool

@spec transfer!(Ethers.Types.t_address(), non_neg_integer(), Keyword.t()) ::
  [boolean()]
  | Ethers.Types.t_hash()
  | Ethers.Contract.t_function_output()
  | no_return()

Same as transfer/3 but raises Ethers.ExecutionError on errors.

@spec transfer_from(
  Ethers.Types.t_address(),
  Ethers.Types.t_address(),
  non_neg_integer(),
  Keyword.t()
) ::
  {:ok, [boolean()]}
  | {:ok, Ethers.Types.t_hash()}
  | {:ok, Ethers.Contract.t_function_output()}
  | {:error, term()}

Executes transferFrom(address _from, address _to, uint256 _value) on the contract.

Default action for this function is :send. To override default action see Execution Options in Ethers.Contract.

parameters

Parameters

• _from: :address
• _to: :address
• _value: {:uint, 256}
• overrides: Overrides and options for the call. See Execution Options in Ethers.Contract.

return-types

Return Types

• :bool

@spec transfer_from!(
  Ethers.Types.t_address(),
  Ethers.Types.t_address(),
  non_neg_integer(),
  Keyword.t()
) ::
  [boolean()]
  | Ethers.Types.t_hash()
  | Ethers.Contract.t_function_output()
  | no_return()

Same as transfer_from/4 but raises Ethers.ExecutionError on errors.