Interface Provider

interface Provider {
    call(
        transaction: { data: string; to: string },
        block?: BlockTagOrNumber,
    ): Promise<string>;
    getAddress(name: string): Promise<string>;
    getCode(address: string, block?: BlockTagOrNumber): Promise<string>;
    getStorageAt(
        address: string,
        slot: string | number,
        block?: BlockTagOrNumber,
    ): Promise<string>;
}