All Downloads are FREE. Search and download functionalities are using the official Maven repository.

contracts.wallets.new-wallet-v4r2.fc Maven / Gradle / Ivy

There is a newer version: 0.8.0
Show newest version
;; Wallet smart contract with plugins
#pragma version >=0.4.3;

#include "stdlib.fc";

(slice, int) dict_get?(cell dict, int key_len, slice index) asm(index dict key_len) "DICTGET" "NULLSWAPIFNOT";
(cell, int) dict_add_builder?(cell dict, int key_len, slice index, builder value) asm(value index dict key_len) "DICTADDB";
(cell, int) dict_delete?(cell dict, int key_len, slice index) asm(index dict key_len) "DICTDEL";

() recv_internal(int msg_value, cell in_msg_cell, slice in_msg) impure {
    var cs = in_msg_cell.begin_parse();
    var flags = cs~load_uint(4);  ;; int_msg_info$0 ihr_disabled:Bool bounce:Bool bounced:Bool
    if (flags & 1) {
        ;; ignore all bounced messages
        return ();
    }
    if (in_msg.slice_bits() < 32) {
        ;; ignore simple transfers
        return ();
    }
    int op = in_msg~load_uint(32);
    if (op != 0x706c7567) & (op != 0x64737472) {
        ;; "plug" & "dstr"
        ;; ignore all messages not related to plugins
        return ();
    }
    slice s_addr = cs~load_msg_addr();
    (int wc, int addr_hash) = parse_std_addr(s_addr);
    slice wc_n_address = begin_cell().store_int(wc, 8).store_uint(addr_hash, 256).end_cell().begin_parse();
    var ds = get_data().begin_parse().skip_bits(32 + 32 + 256);
    var plugins = ds~load_dict();
    var (_, success?) = plugins.dict_get?(8 + 256, wc_n_address);
    if ~ (success?) {
        ;; it may be a transfer
        return ();
    }
    int query_id = in_msg~load_uint(64);
    var msg = begin_cell();
    if (op == 0x706c7567) {
        ;; request funds

        (int r_toncoins, cell r_extra) = (in_msg~load_grams(), in_msg~load_dict());

        [int my_balance, _] = get_balance();
        throw_unless(80, my_balance - msg_value >= r_toncoins);

        msg = msg.store_uint(0x18, 6)
            .store_slice(s_addr)
            .store_grams(r_toncoins)
            .store_dict(r_extra)
            .store_uint(0, 4 + 4 + 64 + 32 + 1 + 1)
            .store_uint(0x706c7567 | 0x80000000, 32)
            .store_uint(query_id, 64);
        send_raw_message(msg.end_cell(), 64);

    }

    if (op == 0x64737472) {
        ;; remove plugin by its request

        plugins~dict_delete?(8 + 256, wc_n_address);
        var ds = get_data().begin_parse().first_bits(32 + 32 + 256);
        set_data(begin_cell().store_slice(ds).store_dict(plugins).end_cell());
        ;; return coins only if bounce expected
        if (flags & 2) {
            msg = msg.store_uint(0x18, 6)
                .store_slice(s_addr)
                .store_grams(0)
                .store_uint(0, 1 + 4 + 4 + 64 + 32 + 1 + 1)
                .store_uint(0x64737472 | 0x80000000, 32)
                .store_uint(query_id, 64);
            send_raw_message(msg.end_cell(), 64);
        }
    }
}

() recv_external(slice in_msg) impure {
    var signature = in_msg~load_bits(512);
    var cs = in_msg;
    var (subwallet_id, valid_until, msg_seqno) = (cs~load_uint(32), cs~load_uint(32), cs~load_uint(32));
    throw_if(36, valid_until <= now());
    var ds = get_data().begin_parse();
    var (stored_seqno, stored_subwallet, public_key, plugins) = (ds~load_uint(32), ds~load_uint(32), ds~load_uint(256), ds~load_dict());
    ds.end_parse();
    throw_unless(33, msg_seqno == stored_seqno);
    throw_unless(34, subwallet_id == stored_subwallet);
    throw_unless(35, check_signature(slice_hash(in_msg), signature, public_key));
    accept_message();
    set_data(begin_cell()
        .store_uint(stored_seqno + 1, 32)
        .store_uint(stored_subwallet, 32)
        .store_uint(public_key, 256)
        .store_dict(plugins)
        .end_cell());
    commit();
    cs~touch();
    int op = cs~load_uint(8);

    if (op == 0) {
        ;; simple send
        while (cs.slice_refs()) {
            var mode = cs~load_uint(8);
            send_raw_message(cs~load_ref(), mode);
        }
        return (); ;; have already saved the storage
    }

    if (op == 1) {
        ;; deploy and install plugin
        int plugin_workchain = cs~load_int(8);
        int plugin_balance = cs~load_grams();
        (cell state_init, cell body) = (cs~load_ref(), cs~load_ref());
        int plugin_address = cell_hash(state_init);
        slice wc_n_address = begin_cell().store_int(plugin_workchain, 8).store_uint(plugin_address, 256).end_cell().begin_parse();
        var msg = begin_cell()
            .store_uint(0x18, 6)
            .store_uint(4, 3).store_slice(wc_n_address)
            .store_grams(plugin_balance)
            .store_uint(4 + 2 + 1, 1 + 4 + 4 + 64 + 32 + 1 + 1 + 1)
            .store_ref(state_init)
            .store_ref(body);
        send_raw_message(msg.end_cell(), 3);
        (plugins, int success?) = plugins.dict_add_builder?(8 + 256, wc_n_address, begin_cell());
        throw_unless(39, success?);
    }

    if (op == 2) {
        ;; install plugin
        slice wc_n_address = cs~load_bits(8 + 256);
        int amount = cs~load_grams();
        int query_id = cs~load_uint(64);

        (plugins, int success?) = plugins.dict_add_builder?(8 + 256, wc_n_address, begin_cell());
        throw_unless(39, success?);

        builder msg = begin_cell()
            .store_uint(0x18, 6)
            .store_uint(4, 3).store_slice(wc_n_address)
            .store_grams(amount)
            .store_uint(0, 1 + 4 + 4 + 64 + 32 + 1 + 1)
            .store_uint(0x6e6f7465, 32) ;; op
            .store_uint(query_id, 64);
        send_raw_message(msg.end_cell(), 3);
    }

    if (op == 3) {
        ;; remove plugin
        slice wc_n_address = cs~load_bits(8 + 256);
        int amount = cs~load_grams();
        int query_id = cs~load_uint(64);

        (plugins, int success?) = plugins.dict_delete?(8 + 256, wc_n_address);
        throw_unless(39, success?);

        builder msg = begin_cell()
            .store_uint(0x18, 6)
            .store_uint(4, 3).store_slice(wc_n_address)
            .store_grams(amount)
            .store_uint(0, 1 + 4 + 4 + 64 + 32 + 1 + 1)
            .store_uint(0x64737472, 32) ;; op
            .store_uint(query_id, 64);
        send_raw_message(msg.end_cell(), 3);
    }

    set_data(begin_cell()
        .store_uint(stored_seqno + 1, 32)
        .store_uint(stored_subwallet, 32)
        .store_uint(public_key, 256)
        .store_dict(plugins)
        .end_cell());
}

;; Get methods

int seqno() method_id {
    return get_data().begin_parse().preload_uint(32);
}

int get_subwallet_id() method_id {
    return get_data().begin_parse().skip_bits(32).preload_uint(32);
}

int get_public_key() method_id {
    var cs = get_data().begin_parse().skip_bits(64);
    return cs.preload_uint(256);
}

int is_plugin_installed(int wc, int addr_hash) method_id {
    var ds = get_data().begin_parse().skip_bits(32 + 32 + 256);
    var plugins = ds~load_dict();
    var (_, success?) = plugins.dict_get?(8 + 256, begin_cell().store_int(wc, 8).store_uint(addr_hash, 256).end_cell().begin_parse());
    return success?;
}

tuple get_plugin_list() method_id {
    var list = null();
    var ds = get_data().begin_parse().skip_bits(32 + 32 + 256);
    var plugins = ds~load_dict();
    do {
        var (wc_n_address, _, f) = plugins~dict::delete_get_min(8 + 256);
        if (f) {
            (int wc, int addr) = (wc_n_address~load_int(8), wc_n_address~load_uint(256));
            list = cons(pair(wc, addr), list);
        }
    } until (~ f);
    return list;
}




© 2015 - 2024 Weber Informatics LLC | Privacy Policy