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			110 lines
		
	
	
	
		
			3.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			110 lines
		
	
	
	
		
			3.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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    This file is part of TON Blockchain Library.
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    TON Blockchain Library is free software: you can redistribute it and/or modify
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    it under the terms of the GNU Lesser General Public License as published by
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    the Free Software Foundation, either version 2 of the License, or
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    (at your option) any later version.
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    TON Blockchain Library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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    GNU Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public License
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    along with TON Blockchain Library.  If not, see <http://www.gnu.org/licenses/>.
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    Copyright 2017-2020 Telegram Systems LLP
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*/
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#include "Wallet.h"
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#include "GenericAccount.h"
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#include "SmartContractCode.h"
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#include "vm/boc.h"
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#include "vm/cells/CellString.h"
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#include "td/utils/base64.h"
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#include <limits>
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namespace ton {
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td::Ref<vm::Cell> Wallet::get_init_state(const td::Ed25519::PublicKey& public_key, td::int32 revision) noexcept {
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  auto code = get_init_code(revision);
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  auto data = get_init_data(public_key);
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  return GenericAccount::get_init_state(std::move(code), std::move(data));
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}
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td::Ref<vm::Cell> Wallet::get_init_message_new(const td::Ed25519::PrivateKey& private_key) noexcept {
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  td::uint32 seqno = 0;
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  td::uint32 valid_until = std::numeric_limits<td::uint32>::max();
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  auto signature =
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      private_key
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          .sign(vm::CellBuilder().store_long(seqno, 32).store_long(valid_until, 32).finalize()->get_hash().as_slice())
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          .move_as_ok();
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  return vm::CellBuilder().store_bytes(signature).store_long(seqno, 32).store_long(valid_until, 32).finalize();
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}
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td::Ref<vm::Cell> Wallet::make_a_gift_message(const td::Ed25519::PrivateKey& private_key, td::uint32 seqno,
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                                              td::uint32 valid_until, td::Span<Gift> gifts) noexcept {
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  CHECK(gifts.size() <= max_gifts_size);
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  vm::CellBuilder cb;
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  cb.store_long(seqno, 32).store_long(valid_until, 32);
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  for (auto& gift : gifts) {
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    td::int32 send_mode = 3;
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    if (gift.gramms == -1) {
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      send_mode += 128;
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    }
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    cb.store_long(send_mode, 8).store_ref(create_int_message(gift));
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  }
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  auto message_outer = cb.finalize();
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  auto signature = private_key.sign(message_outer->get_hash().as_slice()).move_as_ok();
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  return vm::CellBuilder().store_bytes(signature).append_cellslice(vm::load_cell_slice(message_outer)).finalize();
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}
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td::Ref<vm::Cell> Wallet::get_init_code(td::int32 revision) noexcept {
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  return SmartContractCode::get_code(ton::SmartContractCode::WalletV2, revision);
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}
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vm::CellHash Wallet::get_init_code_hash() noexcept {
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  return get_init_code()->get_hash();
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}
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td::Ref<vm::Cell> Wallet::get_data(const td::Ed25519::PublicKey& public_key, td::uint32 seqno) noexcept {
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  return vm::CellBuilder().store_long(seqno, 32).store_bytes(public_key.as_octet_string()).finalize();
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}
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td::Ref<vm::Cell> Wallet::get_init_data(const td::Ed25519::PublicKey& public_key) noexcept {
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  return get_data(public_key, 0);
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}
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td::Result<td::uint32> Wallet::get_seqno() const {
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  return TRY_VM(get_seqno_or_throw());
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}
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td::Result<td::uint32> Wallet::get_seqno_or_throw() const {
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  if (state_.data.is_null()) {
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    return 0;
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  }
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  //FIXME use get method
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  return static_cast<td::uint32>(vm::load_cell_slice(state_.data).fetch_ulong(32));
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}
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td::Result<td::Ed25519::PublicKey> Wallet::get_public_key() const {
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  return TRY_VM(get_public_key_or_throw());
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}
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td::Result<td::Ed25519::PublicKey> Wallet::get_public_key_or_throw() const {
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  if (state_.data.is_null()) {
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    return td::Status::Error("data is null");
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  }
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  //FIXME use get method
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  auto cs = vm::load_cell_slice(state_.data);
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  cs.skip_first(32);
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  td::SecureString res(td::Ed25519::PublicKey::LENGTH);
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  cs.fetch_bytes(res.as_mutable_slice().ubegin(), td::narrow_cast<td::int32>(res.size()));
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  return td::Ed25519::PublicKey(std::move(res));
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}
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}  // namespace ton
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