145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 #pragma version =0.2.0; ;; Wallet smart contract with plugins

(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 = csload_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_msgload_uint(32); if (op != 0x706c7567) & (op != 0x64737472) { ;; "plug" & "dstr" ;; ignore all messages not related to plugins return (); } slice s_addr = csload_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 = dsload_dict(); var (_, success?) = plugins.dict_get?(8 + 256, wc_n_address); if (success?) { ;; it may be a transfer return (); } int query_id = in_msgload_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_msgload_bits(512); var cs = in_msg; var (subwallet_id, valid_until, msg_seqno) = (csload_uint(32), csload_uint(32), csload_uint(32)); throw_if(36, valid_until <= now()); var ds = get_data().begin_parse(); var (stored_seqno, stored_subwallet, public_key, plugins) = (dsload_uint(32), dsload_uint(32), dsload_uint(256), dsload_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(); cstouch(); int op = csload_uint(8);

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

if (op == 1) { ;; deploy and install plugin int plugin_workchain = csload_int(8); int plugin_balance = csload_grams(); (cell state_init, cell body) = (csload_ref(), csload_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 = csload_bits(8 + 256); int amount = csload_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 = csload_bits(8 + 256); int amount = csload_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 = dsload_dict(); do { var (wc_n_address, _, f) = pluginsdict::delete_get_min(8 + 256); if (f) { (int wc, int addr) = (wc_n_addressload_int(8), wc_n_addressload_uint(256)); list = cons(pair(wc, addr), list); } } until (~ f); return list;