Icon LinkWallet Smart Contract

library;
 
abi Wallet {
	#[storage(read, write), payable]
	fn receive_funds();
 
	#[storage(read, write)]
	fn send_funds(amount_to_send: u64, recipient_address: Address);
}

contract;
 
use std::{
	call_frames::msg_asset_id,
	constants::BASE_ASSET_ID,
	context::msg_amount,
	token::transfer_to_address,
};
 
use wallet_abi::Wallet;
const OWNER_ADDRESS = Address::from(0x8900c5bec4ca97d4febf9ceb4754a60d782abbf3cd815836c1872116f203f861);
 
storage {
	balance: u64 = 0,
}
 
impl Wallet for Contract {
	#[storage(read, write), payable]
	fn receive_funds() {
		if msg_asset_id() == BASE_ASSET_ID {
			// If we received `BASE_ASSET_ID` then keep track of the balance.
			// Otherwise, we're receiving other native assets and don't care
			// about our balance of tokens.
			storage.balance.write(storage.balance.read() + msg_amount());
		}
	}
 
	#[storage(read, write)]
	fn send_funds(amount_to_send: u64, recipient_address: Address) {
		let sender = msg_sender().unwrap();
		match sender {
			Identity::Address(addr) => assert(addr == OWNER_ADDRESS),
			_ => revert(0),
		};
 
		let current_balance = storage.balance.read();
		assert(current_balance >= amount_to_send);
 
		storage.balance.write(current_balance - amount_to_send);
 
		// Note: `transfer_to_address()` is not a call and thus not an
		// interaction. Regardless, this code conforms to
		// checks-effects-interactions to avoid re-entrancy.
		transfer_to_address(recipient_address, BASE_ASSET_ID, amount_to_send);
	}
}