Evacuate or Send a bunch of tokens to an address on Sui

evacuate.move

module rendevous::evacuate;

use sui::coin:: Coin;
use sui::event;


/// Event for each evacuation.
public struct AirdropEvent has copy, drop {
    recipient: address,
    num_tokens: u64,
}

const E_LENGTH_MISMATCH: u64 = 0;

/// Transfers specific amounts from multiple coins to the `recipient` in a single transaction.
public entry fun evacuate_wallet<T: store>(
    recipient: address,
    mut coins: vector<Coin<T>>,
    amounts: vector<u64>,
    ctx: &mut TxContext,
) {
    let num_coins = vector::length(&coins);
    let num_amounts = vector::length(&amounts);
    assert!(num_coins == num_amounts, E_LENGTH_MISMATCH);

    let mut i = 0;
    while (i < num_coins) {
        let mut coin = vector::pop_back(&mut coins);
        let amount = *vector::borrow(&amounts, i);
        let portion = sui::coin::split(&mut coin, amount, ctx);
        transfer::public_transfer(portion, recipient);
        transfer::public_transfer(coin, recipient);
        
        i = i + 1;
    };
    event::emit(AirdropEvent {
        recipient,
        num_tokens: num_coins,
    });

    vector::destroy_empty(coins);
}