Interface IERC20

Interface that represents a smart contract, which implements EIP20

interface IERC20 {
    allowance(owner: string, spender: string): Promise<bigint>;
    approve(spender: string, amount: bigint): Promise<Transaction>;
    balanceOf(account: string): Promise<bigint>;
    totalSupply(): Promise<bigint>;
    transfer(recipient: string, amount: bigint): Promise<Transaction>;
    transferFrom(sender: string, recipient: string, amount: bigint): Promise<Transaction>;
}

Hierarchy (view full)

Methods

allowance approve balanceOf totalSupply transfer transferFrom

Methods

allowance

  • allowance(owner, spender): Promise<bigint>

  • Returns the remaining number of tokens that spender will be allowed to spend on behalf of owner through transferFrom. This is zero by default. This value changes when approve or transferFrom are called.

    Parameters

    • owner: string
    • spender: string

    Returns Promise<bigint>

approve

balanceOf

  • balanceOf(account): Promise<bigint>

  • Returns the amount of tokens owned by account.

    Parameters

    • account: string

    Returns Promise<bigint>

totalSupply

transfer

transferFrom

  • transferFrom(sender, recipient, amount): Promise<Transaction>

  • Moves amount tokens from sender to recipient using the allowance mechanism. amount is then deducted from the caller's allowance.

    Emits a Transfer event.

    Parameters

    • sender: string
    • recipient: string
    • amount: bigint

    Returns Promise<Transaction>

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