Class ERC20

Hierarchy

BaseContract
- ERC20

Constructors

constructor

new ERC20(addressOrName: string, contractInterface: ContractInterface, signerOrProvider?: Signer | Provider): ERC20
Parameters
- addressOrName: string
- contractInterface: ContractInterface
- Optional signerOrProvider: Signer | Provider
Returns ERC20
Inherited from BaseContract.constructor
- Defined in node_modules/@ethersproject/contracts/lib/index.d.ts:103

Properties

_deployedPromise

_deployedPromise: Promise<Contract>

_runningEvents

_runningEvents: {
[eventTag: string]: RunningEvent;
}

Type declaration

[eventTag: string]: RunningEvent

_wrappedEmits

_wrappedEmits: {
[eventTag: string]: ((...args: any[]) => void);
}

Type declaration

[eventTag: string]: ((...args: any[]) => void)
- - (...args: any[]): void
  - Parameters
    - Rest ...args: any[]
    Returns void

`Readonly` address

address: string

callStatic

callStatic: {
    allowance(owner: string, spender: string, overrides?: CallOverrides): Promise<BigNumber>;
    approve(spender: string, amount: BigNumberish, overrides?: CallOverrides): Promise<boolean>;
    balanceOf(account: string, overrides?: CallOverrides): Promise<BigNumber>;
    decimals(overrides?: CallOverrides): Promise<number>;
    decreaseAllowance(spender: string, subtractedValue: BigNumberish, overrides?: CallOverrides): Promise<boolean>;
    increaseAllowance(spender: string, addedValue: BigNumberish, overrides?: CallOverrides): Promise<boolean>;
    name(overrides?: CallOverrides): Promise<string>;
    symbol(overrides?: CallOverrides): Promise<string>;
    totalSupply(overrides?: CallOverrides): Promise<BigNumber>;
    transfer(recipient: string, amount: BigNumberish, overrides?: CallOverrides): Promise<boolean>;
    transferFrom(sender: string, recipient: string, amount: BigNumberish, overrides?: CallOverrides): Promise<boolean>;
}

Type declaration

allowance:function
- allowance(owner: string, spender: string, overrides?: CallOverrides): Promise<BigNumber>
- Parameters
  - owner: string
  - spender: string
  - Optional overrides: CallOverrides
  Returns Promise<BigNumber>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:243
approve:function
- approve(spender: string, amount: BigNumberish, overrides?: CallOverrides): Promise<boolean>
- Parameters
  - spender: string
  - amount: BigNumberish
  - Optional overrides: CallOverrides
  Returns Promise<boolean>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:249
balanceOf:function
- balanceOf(account: string, overrides?: CallOverrides): Promise<BigNumber>
- Parameters
  - account: string
  - Optional overrides: CallOverrides
  Returns Promise<BigNumber>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:255
decimals:function
- decimals(overrides?: CallOverrides): Promise<number>
- Parameters
  - Optional overrides: CallOverrides
  Returns Promise<number>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:257
decreaseAllowance:function
- decreaseAllowance(spender: string, subtractedValue: BigNumberish, overrides?: CallOverrides): Promise<boolean>
- Parameters
  - spender: string
  - subtractedValue: BigNumberish
  - Optional overrides: CallOverrides
  Returns Promise<boolean>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:259
increaseAllowance:function
- increaseAllowance(spender: string, addedValue: BigNumberish, overrides?: CallOverrides): Promise<boolean>
- Parameters
  - spender: string
  - addedValue: BigNumberish
  - Optional overrides: CallOverrides
  Returns Promise<boolean>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:265
name:function
- name(overrides?: CallOverrides): Promise<string>
- Parameters
  - Optional overrides: CallOverrides
  Returns Promise<string>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:271
symbol:function
- symbol(overrides?: CallOverrides): Promise<string>
- Parameters
  - Optional overrides: CallOverrides
  Returns Promise<string>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:273
totalSupply:function
- totalSupply(overrides?: CallOverrides): Promise<BigNumber>
- Parameters
  - Optional overrides: CallOverrides
  Returns Promise<BigNumber>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:275
transfer:function
- transfer(recipient: string, amount: BigNumberish, overrides?: CallOverrides): Promise<boolean>
- Parameters
  - recipient: string
  - amount: BigNumberish
  - Optional overrides: CallOverrides
  Returns Promise<boolean>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:277
transferFrom:function
- transferFrom(sender: string, recipient: string, amount: BigNumberish, overrides?: CallOverrides): Promise<boolean>
- Parameters
  - sender: string
  - recipient: string
  - amount: BigNumberish
  - Optional overrides: CallOverrides
  Returns Promise<boolean>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:283

`Readonly` deployTransaction

deployTransaction: TransactionResponse

estimateGas

estimateGas: {
    allowance(owner: string, spender: string, overrides?: CallOverrides): Promise<BigNumber>;
    approve(spender: string, amount: BigNumberish, overrides?: Overrides & {
        from?: string | Promise<string>;
    }): Promise<BigNumber>;
    balanceOf(account: string, overrides?: CallOverrides): Promise<BigNumber>;
    decimals(overrides?: CallOverrides): Promise<BigNumber>;
    decreaseAllowance(spender: string, subtractedValue: BigNumberish, overrides?: Overrides & {
        from?: string | Promise<string>;
    }): Promise<BigNumber>;
    increaseAllowance(spender: string, addedValue: BigNumberish, overrides?: Overrides & {
        from?: string | Promise<string>;
    }): Promise<BigNumber>;
    name(overrides?: CallOverrides): Promise<BigNumber>;
    symbol(overrides?: CallOverrides): Promise<BigNumber>;
    totalSupply(overrides?: CallOverrides): Promise<BigNumber>;
    transfer(recipient: string, amount: BigNumberish, overrides?: Overrides & {
        from?: string | Promise<string>;
    }): Promise<BigNumber>;
    transferFrom(sender: string, recipient: string, amount: BigNumberish, overrides?: Overrides & {
        from?: string | Promise<string>;
    }): Promise<BigNumber>;
}

Type declaration

allowance:function
- allowance(owner: string, spender: string, overrides?: CallOverrides): Promise<BigNumber>
- Parameters
  - owner: string
  - spender: string
  - Optional overrides: CallOverrides
  Returns Promise<BigNumber>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:312
approve:function
- approve(spender: string, amount: BigNumberish, overrides?: Overrides & {
  from?: string | Promise<string>;
  }): Promise<BigNumber>
- Parameters
  - spender: string
  - amount: BigNumberish
  - Optional overrides: Overrides & {
    from?: string | Promise<string>;
    }
  Returns Promise<BigNumber>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:318
balanceOf:function
- balanceOf(account: string, overrides?: CallOverrides): Promise<BigNumber>
- Parameters
  - account: string
  - Optional overrides: CallOverrides
  Returns Promise<BigNumber>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:324
decimals:function
- decimals(overrides?: CallOverrides): Promise<BigNumber>
- Parameters
  - Optional overrides: CallOverrides
  Returns Promise<BigNumber>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:326
decreaseAllowance:function
- decreaseAllowance(spender: string, subtractedValue: BigNumberish, overrides?: Overrides & {
  from?: string | Promise<string>;
  }): Promise<BigNumber>
- Parameters
  - spender: string
  - subtractedValue: BigNumberish
  - Optional overrides: Overrides & {
    from?: string | Promise<string>;
    }
  Returns Promise<BigNumber>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:328
increaseAllowance:function
- increaseAllowance(spender: string, addedValue: BigNumberish, overrides?: Overrides & {
  from?: string | Promise<string>;
  }): Promise<BigNumber>
- Parameters
  - spender: string
  - addedValue: BigNumberish
  - Optional overrides: Overrides & {
    from?: string | Promise<string>;
    }
  Returns Promise<BigNumber>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:334
name:function
- name(overrides?: CallOverrides): Promise<BigNumber>
- Parameters
  - Optional overrides: CallOverrides
  Returns Promise<BigNumber>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:340
symbol:function
- symbol(overrides?: CallOverrides): Promise<BigNumber>
- Parameters
  - Optional overrides: CallOverrides
  Returns Promise<BigNumber>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:342
totalSupply:function
- totalSupply(overrides?: CallOverrides): Promise<BigNumber>
- Parameters
  - Optional overrides: CallOverrides
  Returns Promise<BigNumber>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:344
transfer:function
- transfer(recipient: string, amount: BigNumberish, overrides?: Overrides & {
  from?: string | Promise<string>;
  }): Promise<BigNumber>
- Parameters
  - recipient: string
  - amount: BigNumberish
  - Optional overrides: Overrides & {
    from?: string | Promise<string>;
    }
  Returns Promise<BigNumber>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:346
transferFrom:function
- transferFrom(sender: string, recipient: string, amount: BigNumberish, overrides?: Overrides & {
  from?: string | Promise<string>;
  }): Promise<BigNumber>
- Parameters
  - sender: string
  - recipient: string
  - amount: BigNumberish
  - Optional overrides: Overrides & {
    from?: string | Promise<string>;
    }
  Returns Promise<BigNumber>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:352

filters

filters: {
    Approval(owner?: null | string, spender?: null | string, value?: null): TypedEventFilter<[string, string, BigNumber], {
        owner: string;
        spender: string;
        value: BigNumber;
    }>;
    Transfer(from?: null | string, to?: null | string, value?: null): TypedEventFilter<[string, string, BigNumber], {
        from: string;
        to: string;
        value: BigNumber;
    }>;
}

Type declaration

Approval:function
- Approval(owner?: null | string, spender?: null | string, value?: null): TypedEventFilter<[string, string, BigNumber], {
      owner: string;
      spender: string;
      value: BigNumber;
  }>
- Parameters
  - Optional owner: null | string
  - Optional spender: null | string
  - Optional value: null
  Returns TypedEventFilter<[string, string, BigNumber], {
      owner: string;
      spender: string;
      value: BigNumber;
  }>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:292
Transfer:function
- Transfer(from?: null | string, to?: null | string, value?: null): TypedEventFilter<[string, string, BigNumber], {
      from: string;
      to: string;
      value: BigNumber;
  }>
- Parameters
  - Optional from: null | string
  - Optional to: null | string
  - Optional value: null
  Returns TypedEventFilter<[string, string, BigNumber], {
      from: string;
      to: string;
      value: BigNumber;
  }>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:301

functions

functions: {
    allowance(owner: string, spender: string, overrides?: CallOverrides): Promise<[BigNumber]>;
    approve(spender: string, amount: BigNumberish, overrides?: Overrides & {
        from?: string | Promise<string>;
    }): Promise<ContractTransaction>;
    balanceOf(account: string, overrides?: CallOverrides): Promise<[BigNumber]>;
    decimals(overrides?: CallOverrides): Promise<[number]>;
    decreaseAllowance(spender: string, subtractedValue: BigNumberish, overrides?: Overrides & {
        from?: string | Promise<string>;
    }): Promise<ContractTransaction>;
    increaseAllowance(spender: string, addedValue: BigNumberish, overrides?: Overrides & {
        from?: string | Promise<string>;
    }): Promise<ContractTransaction>;
    name(overrides?: CallOverrides): Promise<[string]>;
    symbol(overrides?: CallOverrides): Promise<[string]>;
    totalSupply(overrides?: CallOverrides): Promise<[BigNumber]>;
    transfer(recipient: string, amount: BigNumberish, overrides?: Overrides & {
        from?: string | Promise<string>;
    }): Promise<ContractTransaction>;
    transferFrom(sender: string, recipient: string, amount: BigNumberish, overrides?: Overrides & {
        from?: string | Promise<string>;
    }): Promise<ContractTransaction>;
}

Type declaration

allowance:function
- allowance(owner: string, spender: string, overrides?: CallOverrides): Promise<[BigNumber]>
- Parameters
  - owner: string
  - spender: string
  - Optional overrides: CallOverrides
  Returns Promise<[BigNumber]>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:147
approve:function
- approve(spender: string, amount: BigNumberish, overrides?: Overrides & {
  from?: string | Promise<string>;
  }): Promise<ContractTransaction>
- Parameters
  - spender: string
  - amount: BigNumberish
  - Optional overrides: Overrides & {
    from?: string | Promise<string>;
    }
  Returns Promise<ContractTransaction>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:153
balanceOf:function
- balanceOf(account: string, overrides?: CallOverrides): Promise<[BigNumber]>
- Parameters
  - account: string
  - Optional overrides: CallOverrides
  Returns Promise<[BigNumber]>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:159
decimals:function
- decimals(overrides?: CallOverrides): Promise<[number]>
- Parameters
  - Optional overrides: CallOverrides
  Returns Promise<[number]>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:161
decreaseAllowance:function
- decreaseAllowance(spender: string, subtractedValue: BigNumberish, overrides?: Overrides & {
  from?: string | Promise<string>;
  }): Promise<ContractTransaction>
- Parameters
  - spender: string
  - subtractedValue: BigNumberish
  - Optional overrides: Overrides & {
    from?: string | Promise<string>;
    }
  Returns Promise<ContractTransaction>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:163
increaseAllowance:function
- increaseAllowance(spender: string, addedValue: BigNumberish, overrides?: Overrides & {
  from?: string | Promise<string>;
  }): Promise<ContractTransaction>
- Parameters
  - spender: string
  - addedValue: BigNumberish
  - Optional overrides: Overrides & {
    from?: string | Promise<string>;
    }
  Returns Promise<ContractTransaction>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:169
name:function
- name(overrides?: CallOverrides): Promise<[string]>
- Parameters
  - Optional overrides: CallOverrides
  Returns Promise<[string]>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:175
symbol:function
- symbol(overrides?: CallOverrides): Promise<[string]>
- Parameters
  - Optional overrides: CallOverrides
  Returns Promise<[string]>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:177
totalSupply:function
- totalSupply(overrides?: CallOverrides): Promise<[BigNumber]>
- Parameters
  - Optional overrides: CallOverrides
  Returns Promise<[BigNumber]>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:179
transfer:function
- transfer(recipient: string, amount: BigNumberish, overrides?: Overrides & {
  from?: string | Promise<string>;
  }): Promise<ContractTransaction>
- Parameters
  - recipient: string
  - amount: BigNumberish
  - Optional overrides: Overrides & {
    from?: string | Promise<string>;
    }
  Returns Promise<ContractTransaction>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:181
transferFrom:function
- transferFrom(sender: string, recipient: string, amount: BigNumberish, overrides?: Overrides & {
  from?: string | Promise<string>;
  }): Promise<ContractTransaction>
- Parameters
  - sender: string
  - recipient: string
  - amount: BigNumberish
  - Optional overrides: Overrides & {
    from?: string | Promise<string>;
    }
  Returns Promise<ContractTransaction>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:187

interface

interface: ERC20Interface

populateTransaction

populateTransaction: {
    allowance(owner: string, spender: string, overrides?: CallOverrides): Promise<PopulatedTransaction>;
    approve(spender: string, amount: BigNumberish, overrides?: Overrides & {
        from?: string | Promise<string>;
    }): Promise<PopulatedTransaction>;
    balanceOf(account: string, overrides?: CallOverrides): Promise<PopulatedTransaction>;
    decimals(overrides?: CallOverrides): Promise<PopulatedTransaction>;
    decreaseAllowance(spender: string, subtractedValue: BigNumberish, overrides?: Overrides & {
        from?: string | Promise<string>;
    }): Promise<PopulatedTransaction>;
    increaseAllowance(spender: string, addedValue: BigNumberish, overrides?: Overrides & {
        from?: string | Promise<string>;
    }): Promise<PopulatedTransaction>;
    name(overrides?: CallOverrides): Promise<PopulatedTransaction>;
    symbol(overrides?: CallOverrides): Promise<PopulatedTransaction>;
    totalSupply(overrides?: CallOverrides): Promise<PopulatedTransaction>;
    transfer(recipient: string, amount: BigNumberish, overrides?: Overrides & {
        from?: string | Promise<string>;
    }): Promise<PopulatedTransaction>;
    transferFrom(sender: string, recipient: string, amount: BigNumberish, overrides?: Overrides & {
        from?: string | Promise<string>;
    }): Promise<PopulatedTransaction>;
}

Type declaration

allowance:function
- allowance(owner: string, spender: string, overrides?: CallOverrides): Promise<PopulatedTransaction>
- Parameters
  - owner: string
  - spender: string
  - Optional overrides: CallOverrides
  Returns Promise<PopulatedTransaction>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:361
approve:function
- approve(spender: string, amount: BigNumberish, overrides?: Overrides & {
  from?: string | Promise<string>;
  }): Promise<PopulatedTransaction>
- Parameters
  - spender: string
  - amount: BigNumberish
  - Optional overrides: Overrides & {
    from?: string | Promise<string>;
    }
  Returns Promise<PopulatedTransaction>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:367
balanceOf:function
- balanceOf(account: string, overrides?: CallOverrides): Promise<PopulatedTransaction>
- Parameters
  - account: string
  - Optional overrides: CallOverrides
  Returns Promise<PopulatedTransaction>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:373
decimals:function
- decimals(overrides?: CallOverrides): Promise<PopulatedTransaction>
- Parameters
  - Optional overrides: CallOverrides
  Returns Promise<PopulatedTransaction>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:378
decreaseAllowance:function
- decreaseAllowance(spender: string, subtractedValue: BigNumberish, overrides?: Overrides & {
  from?: string | Promise<string>;
  }): Promise<PopulatedTransaction>
- Parameters
  - spender: string
  - subtractedValue: BigNumberish
  - Optional overrides: Overrides & {
    from?: string | Promise<string>;
    }
  Returns Promise<PopulatedTransaction>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:380
increaseAllowance:function
- increaseAllowance(spender: string, addedValue: BigNumberish, overrides?: Overrides & {
  from?: string | Promise<string>;
  }): Promise<PopulatedTransaction>
- Parameters
  - spender: string
  - addedValue: BigNumberish
  - Optional overrides: Overrides & {
    from?: string | Promise<string>;
    }
  Returns Promise<PopulatedTransaction>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:386
name:function
- name(overrides?: CallOverrides): Promise<PopulatedTransaction>
- Parameters
  - Optional overrides: CallOverrides
  Returns Promise<PopulatedTransaction>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:392
symbol:function
- symbol(overrides?: CallOverrides): Promise<PopulatedTransaction>
- Parameters
  - Optional overrides: CallOverrides
  Returns Promise<PopulatedTransaction>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:394
totalSupply:function
- totalSupply(overrides?: CallOverrides): Promise<PopulatedTransaction>
- Parameters
  - Optional overrides: CallOverrides
  Returns Promise<PopulatedTransaction>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:396
transfer:function
- transfer(recipient: string, amount: BigNumberish, overrides?: Overrides & {
  from?: string | Promise<string>;
  }): Promise<PopulatedTransaction>
- Parameters
  - recipient: string
  - amount: BigNumberish
  - Optional overrides: Overrides & {
    from?: string | Promise<string>;
    }
  Returns Promise<PopulatedTransaction>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:398
transferFrom:function
- transferFrom(sender: string, recipient: string, amount: BigNumberish, overrides?: Overrides & {
  from?: string | Promise<string>;
  }): Promise<PopulatedTransaction>
- Parameters
  - sender: string
  - recipient: string
  - amount: BigNumberish
  - Optional overrides: Overrides & {
    from?: string | Promise<string>;
    }
  Returns Promise<PopulatedTransaction>
  - Defined in src/ledger/backend/contracts/ERC20.d.ts:404

`Readonly` provider

provider: Provider

`Readonly` resolvedAddress

resolvedAddress: Promise<string>

`Readonly` signer

signer: Signer

Methods

_checkRunningEvents

_checkRunningEvents(runningEvent: RunningEvent): void
Parameters
- runningEvent: RunningEvent
Returns void
Inherited from BaseContract._checkRunningEvents
- Defined in node_modules/@ethersproject/contracts/lib/index.d.ts:117

_deployed

_deployed(blockTag?: BlockTag): Promise<Contract>
Parameters
- Optional blockTag: BlockTag
Returns Promise<Contract>
Inherited from BaseContract._deployed
- Defined in node_modules/@ethersproject/contracts/lib/index.d.ts:110

_wrapEvent

_wrapEvent(runningEvent: RunningEvent, log: Log, listener: Listener): Event
Parameters
- runningEvent: RunningEvent
- log: Log
- listener: Listener
Returns Event
Inherited from BaseContract._wrapEvent
- Defined in node_modules/@ethersproject/contracts/lib/index.d.ts:118

allowance

allowance(owner: string, spender: string, overrides?: CallOverrides): Promise<BigNumber>
Parameters
- owner: string
- spender: string
- Optional overrides: CallOverrides
Returns Promise<BigNumber>
- Defined in src/ledger/backend/contracts/ERC20.d.ts:195

approve

approve(spender: string, amount: BigNumberish, overrides?: Overrides & {
from?: string | Promise<string>;
}): Promise<ContractTransaction>
Parameters
- spender: string
- amount: BigNumberish
- Optional overrides: Overrides & {
  from?: string | Promise<string>;
  }
Returns Promise<ContractTransaction>
- Defined in src/ledger/backend/contracts/ERC20.d.ts:201

attach

attach(addressOrName: string): ERC20
Parameters
- addressOrName: string
Returns ERC20
Overrides BaseContract.attach
- Defined in src/ledger/backend/contracts/ERC20.d.ts:105

balanceOf

balanceOf(account: string, overrides?: CallOverrides): Promise<BigNumber>
Parameters
- account: string
- Optional overrides: CallOverrides
Returns Promise<BigNumber>
- Defined in src/ledger/backend/contracts/ERC20.d.ts:207

connect

connect(signerOrProvider: string | Signer | Provider): ERC20
Parameters
- signerOrProvider: string | Signer | Provider
Returns ERC20
Overrides BaseContract.connect
- Defined in src/ledger/backend/contracts/ERC20.d.ts:104

decimals

decimals(overrides?: CallOverrides): Promise<number>
Parameters
- Optional overrides: CallOverrides
Returns Promise<number>
- Defined in src/ledger/backend/contracts/ERC20.d.ts:209

decreaseAllowance

decreaseAllowance(spender: string, subtractedValue: BigNumberish, overrides?: Overrides & {
from?: string | Promise<string>;
}): Promise<ContractTransaction>
Parameters
- spender: string
- subtractedValue: BigNumberish
- Optional overrides: Overrides & {
  from?: string | Promise<string>;
  }
Returns Promise<ContractTransaction>
- Defined in src/ledger/backend/contracts/ERC20.d.ts:211

deployed

deployed(): Promise<ERC20>
Returns Promise<ERC20>
Overrides BaseContract.deployed
- Defined in src/ledger/backend/contracts/ERC20.d.ts:106

emit

emit(eventName: string | EventFilter, ...args: any[]): boolean
Parameters
- eventName: string | EventFilter
- Rest ...args: any[]
Returns boolean
Inherited from BaseContract.emit
- Defined in node_modules/@ethersproject/contracts/lib/index.d.ts:123

fallback

fallback(overrides?: TransactionRequest): Promise<TransactionResponse>
Parameters
- Optional overrides: TransactionRequest
Returns Promise<TransactionResponse>
Inherited from BaseContract.fallback
- Defined in node_modules/@ethersproject/contracts/lib/index.d.ts:111

increaseAllowance

increaseAllowance(spender: string, addedValue: BigNumberish, overrides?: Overrides & {
from?: string | Promise<string>;
}): Promise<ContractTransaction>
Parameters
- spender: string
- addedValue: BigNumberish
- Optional overrides: Overrides & {
  from?: string | Promise<string>;
  }
Returns Promise<ContractTransaction>
- Defined in src/ledger/backend/contracts/ERC20.d.ts:217

listenerCount

listenerCount(eventName?: string | EventFilter): number
Parameters
- Optional eventName: string | EventFilter
Returns number
Inherited from BaseContract.listenerCount
- Defined in node_modules/@ethersproject/contracts/lib/index.d.ts:124

listeners

listeners<EventArgsArray, EventArgsObject>(eventFilter?: TypedEventFilter<EventArgsArray, EventArgsObject>): TypedListener<EventArgsArray, EventArgsObject>[]
Type Parameters
- EventArgsArray extends any[]
- EventArgsObject
Parameters
- Optional eventFilter: TypedEventFilter<EventArgsArray, EventArgsObject>
Returns TypedListener<EventArgsArray, EventArgsObject>[]
Overrides BaseContract.listeners
- Defined in src/ledger/backend/contracts/ERC20.d.ts:108
listeners(eventName?: string): Listener[]
Parameters
- Optional eventName: string
Returns Listener[]
Overrides BaseContract.listeners
- Defined in src/ledger/backend/contracts/ERC20.d.ts:131

name

name(overrides?: CallOverrides): Promise<string>
Parameters
- Optional overrides: CallOverrides
Returns Promise<string>
- Defined in src/ledger/backend/contracts/ERC20.d.ts:223

off

off<EventArgsArray, EventArgsObject>(eventFilter: TypedEventFilter<EventArgsArray, EventArgsObject>, listener: TypedListener<EventArgsArray, EventArgsObject>): ERC20
Type Parameters
- EventArgsArray extends any[]
- EventArgsObject
Parameters
- eventFilter: TypedEventFilter<EventArgsArray, EventArgsObject>
- listener: TypedListener<EventArgsArray, EventArgsObject>
Returns ERC20
Overrides BaseContract.off
- Defined in src/ledger/backend/contracts/ERC20.d.ts:111
off(eventName: string, listener: Listener): ERC20
Parameters
- eventName: string
- listener: Listener
Returns ERC20
Overrides BaseContract.off
- Defined in src/ledger/backend/contracts/ERC20.d.ts:132

on

on<EventArgsArray, EventArgsObject>(eventFilter: TypedEventFilter<EventArgsArray, EventArgsObject>, listener: TypedListener<EventArgsArray, EventArgsObject>): ERC20
Type Parameters
- EventArgsArray extends any[]
- EventArgsObject
Parameters
- eventFilter: TypedEventFilter<EventArgsArray, EventArgsObject>
- listener: TypedListener<EventArgsArray, EventArgsObject>
Returns ERC20
Overrides BaseContract.on
- Defined in src/ledger/backend/contracts/ERC20.d.ts:115
on(eventName: string, listener: Listener): ERC20
Parameters
- eventName: string
- listener: Listener
Returns ERC20
Overrides BaseContract.on
- Defined in src/ledger/backend/contracts/ERC20.d.ts:133

once

once<EventArgsArray, EventArgsObject>(eventFilter: TypedEventFilter<EventArgsArray, EventArgsObject>, listener: TypedListener<EventArgsArray, EventArgsObject>): ERC20
Type Parameters
- EventArgsArray extends any[]
- EventArgsObject
Parameters
- eventFilter: TypedEventFilter<EventArgsArray, EventArgsObject>
- listener: TypedListener<EventArgsArray, EventArgsObject>
Returns ERC20
Overrides BaseContract.once
- Defined in src/ledger/backend/contracts/ERC20.d.ts:119
once(eventName: string, listener: Listener): ERC20
Parameters
- eventName: string
- listener: Listener
Returns ERC20
Overrides BaseContract.once
- Defined in src/ledger/backend/contracts/ERC20.d.ts:134

queryFilter

queryFilter<EventArgsArray, EventArgsObject>(event: TypedEventFilter<EventArgsArray, EventArgsObject>, fromBlockOrBlockhash?: string | number, toBlock?: string | number): Promise<TypedEvent<EventArgsArray & EventArgsObject>[]>
Type Parameters
- EventArgsArray extends any[]
- EventArgsObject
Parameters
- event: TypedEventFilter<EventArgsArray, EventArgsObject>
- Optional fromBlockOrBlockhash: string | number
- Optional toBlock: string | number
Returns Promise<TypedEvent<EventArgsArray & EventArgsObject>[]>
Overrides BaseContract.queryFilter
- Defined in src/ledger/backend/contracts/ERC20.d.ts:138

removeAllListeners

removeAllListeners<EventArgsArray, EventArgsObject>(eventFilter: TypedEventFilter<EventArgsArray, EventArgsObject>): ERC20
Type Parameters
- EventArgsArray extends any[]
- EventArgsObject
Parameters
- eventFilter: TypedEventFilter<EventArgsArray, EventArgsObject>
Returns ERC20
Overrides BaseContract.removeAllListeners
- Defined in src/ledger/backend/contracts/ERC20.d.ts:127
removeAllListeners(eventName?: string): ERC20
Parameters
- Optional eventName: string
Returns ERC20
Overrides BaseContract.removeAllListeners
- Defined in src/ledger/backend/contracts/ERC20.d.ts:136

removeListener

removeListener<EventArgsArray, EventArgsObject>(eventFilter: TypedEventFilter<EventArgsArray, EventArgsObject>, listener: TypedListener<EventArgsArray, EventArgsObject>): ERC20
Type Parameters
- EventArgsArray extends any[]
- EventArgsObject
Parameters
- eventFilter: TypedEventFilter<EventArgsArray, EventArgsObject>
- listener: TypedListener<EventArgsArray, EventArgsObject>
Returns ERC20
Overrides BaseContract.removeListener
- Defined in src/ledger/backend/contracts/ERC20.d.ts:123
removeListener(eventName: string, listener: Listener): ERC20
Parameters
- eventName: string
- listener: Listener
Returns ERC20
Overrides BaseContract.removeListener
- Defined in src/ledger/backend/contracts/ERC20.d.ts:135

symbol

symbol(overrides?: CallOverrides): Promise<string>
Parameters
- Optional overrides: CallOverrides
Returns Promise<string>
- Defined in src/ledger/backend/contracts/ERC20.d.ts:225

totalSupply

totalSupply(overrides?: CallOverrides): Promise<BigNumber>
Parameters
- Optional overrides: CallOverrides
Returns Promise<BigNumber>
- Defined in src/ledger/backend/contracts/ERC20.d.ts:227

transfer

transfer(recipient: string, amount: BigNumberish, overrides?: Overrides & {
from?: string | Promise<string>;
}): Promise<ContractTransaction>
Parameters
- recipient: string
- amount: BigNumberish
- Optional overrides: Overrides & {
  from?: string | Promise<string>;
  }
Returns Promise<ContractTransaction>
- Defined in src/ledger/backend/contracts/ERC20.d.ts:229

transferFrom

transferFrom(sender: string, recipient: string, amount: BigNumberish, overrides?: Overrides & {
from?: string | Promise<string>;
}): Promise<ContractTransaction>
Parameters
- sender: string
- recipient: string
- amount: BigNumberish
- Optional overrides: Overrides & {
  from?: string | Promise<string>;
  }
Returns Promise<ContractTransaction>
- Defined in src/ledger/backend/contracts/ERC20.d.ts:235

`Static` getContractAddress

getContractAddress(transaction: {
from: string;
nonce: BigNumberish;
}): string
Parameters
- transaction: {
  from: string;
  nonce: BigNumberish;
  }
  - from: string
  - nonce: BigNumberish
Returns string
Inherited from BaseContract.getContractAddress
- Defined in node_modules/@ethersproject/contracts/lib/index.d.ts:104

`Static` getInterface

getInterface(contractInterface: ContractInterface): Interface
Parameters
- contractInterface: ContractInterface
Returns Interface
Inherited from BaseContract.getInterface
- Defined in node_modules/@ethersproject/contracts/lib/index.d.ts:108

`Static` isIndexed

isIndexed(value: any): value is Indexed
Parameters
- value: any
Returns value is Indexed
Inherited from BaseContract.isIndexed
- Defined in node_modules/@ethersproject/contracts/lib/index.d.ts:114

Class ERC20

Hierarchy

Index

Constructors

Properties

Methods

Constructors

constructor

Parameters

addressOrName: string

contractInterface: ContractInterface

Optional signerOrProvider: Signer | Provider

Returns ERC20

Properties

_deployedPromise

_runningEvents

Type declaration

[eventTag: string]: RunningEvent

_wrappedEmits

Type declaration

[eventTag: string]: ((...args: any[]) => void)

Parameters

Rest ...args: any[]

Returns void

Readonly address

callStatic

Type declaration

allowance:function

Parameters

owner: string

spender: string

Optional overrides: CallOverrides

Returns Promise<BigNumber>

approve:function

Parameters

spender: string

amount: BigNumberish

Optional overrides: CallOverrides

Returns Promise<boolean>

balanceOf:function

Parameters

account: string

Optional overrides: CallOverrides

Returns Promise<BigNumber>

decimals:function

Parameters

Optional overrides: CallOverrides

Returns Promise<number>

decreaseAllowance:function

Parameters

spender: string

subtractedValue: BigNumberish

Optional overrides: CallOverrides

Returns Promise<boolean>

increaseAllowance:function

Parameters

spender: string

addedValue: BigNumberish

Optional overrides: CallOverrides

Returns Promise<boolean>

name:function

Parameters

Optional overrides: CallOverrides

Returns Promise<string>

symbol:function

Parameters

Optional overrides: CallOverrides

Returns Promise<string>

totalSupply:function

Parameters

Optional overrides: CallOverrides

Returns Promise<BigNumber>

transfer:function

Parameters

recipient: string

amount: BigNumberish

Optional overrides: CallOverrides

Returns Promise<boolean>

transferFrom:function

Parameters

`Optional` signerOrProvider: Signer | Provider

`Rest` ...args: any[]

`Readonly` address

`Optional` overrides: CallOverrides

`Optional` overrides: CallOverrides

`Optional` overrides: CallOverrides

`Optional` overrides: CallOverrides

`Optional` overrides: CallOverrides

`Optional` overrides: CallOverrides

`Optional` overrides: CallOverrides

`Optional` overrides: CallOverrides

`Optional` overrides: CallOverrides

`Optional` overrides: CallOverrides

`Optional` overrides: CallOverrides

`Readonly` deployTransaction

`Optional` overrides: CallOverrides

`Optional` overrides: Overrides & {
from?: string | Promise<string>;
}

`Optional` overrides: CallOverrides

`Optional` overrides: CallOverrides

`Optional` overrides: Overrides & {
from?: string | Promise<string>;
}

`Optional` overrides: Overrides & {
from?: string | Promise<string>;
}

`Optional` overrides: CallOverrides

`Optional` overrides: CallOverrides

`Optional` overrides: CallOverrides

`Optional` overrides: Overrides & {
from?: string | Promise<string>;
}

`Optional` overrides: Overrides & {
from?: string | Promise<string>;
}