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ton/crypto/smartcont/simple-wallet-code.fc
2019-09-07 14:33:36 +04:00

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;; Simple wallet smart contract
() recv_internal(slice in_msg) impure {
;; do nothing for internal messages
}
() recv_external(slice in_msg) impure {
var signature = in_msg~load_bits(512);
var cs = in_msg;
int msg_seqno = cs~load_uint(32);
var cs2 = begin_parse(get_data());
var stored_seqno = cs2~load_uint(32);
var public_key = cs2~load_uint(256);
cs2.end_parse();
throw_unless(33, msg_seqno == stored_seqno);
throw_unless(34, check_signature(slice_hash(in_msg), signature, public_key));
accept_message();
cs~touch_slice();
if (cs.slice_refs()) {
var mode = cs~load_uint(8);
send_raw_message(cs~load_ref(), mode);
}
cs.end_parse();
set_data(begin_cell().store_uint(stored_seqno + 1, 32).store_uint(public_key, 256).end_cell());
}