https://docs.multiversx.com/developers/developer-reference/sc-contract-calls/#proxies-from-contracts

Constants

• ONE_EGLD: The amount in EGLD used for participation in the lottery, consistent with the main lottery contract.

Proxy Trait

• LotteryProxy
  • This trait includes methods to facilitate interactions with the lottery contract, such as participating in the lottery and invoking the winner drawing mechanism.

Functions

• lottery_contract_proxy(lottery_sc_address) -> lottery::Proxy
  • Creates a proxy instance to interact with the lottery contract at the specified address.
• participate(lottery_sc_address)
  • Enables participation in the lottery by sending ONE_EGLD to the lottery contract's address.
• draw_winner_endpoint(lottery_sc_address, amount)
  • Triggers the winner drawing function in the lottery contract, along with the transfer of an EGLD amount.
• fund_lottery(lottery_sc_address, amount)
  • A function to fund the lottery with a specified amount of EGLD.