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// Copyright (c) 2016 The Zcash developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef ASYNCRPCOPERATION_SENDMANY_H
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#define ASYNCRPCOPERATION_SENDMANY_H
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#include "asyncrpcoperation.h"
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#include "amount.h"
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#include "base58.h"
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#include "primitives/transaction.h"
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#include "zcash/JoinSplit.hpp"
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#include "zcash/Address.hpp"
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#include "json/json_spirit_value.h"
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#include "wallet.h"
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#include <tuple>
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// TODO: Compute fee based on a heuristic, e.g. (num tx output * dust threshold) + joinsplit bytes * ?
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#define ASYNC_RPC_OPERATION_DEFAULT_MINERS_FEE 10000
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using namespace libzcash;
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using namespace json_spirit;
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// A recipient is a tuple of address, amount, memo (optional if zaddr)
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typedef std::tuple<std::string, CAmount, std::string> SendManyRecipient;
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// Input UTXO is a tuple (quadruple) of txid, vout, amount, coinbase)
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typedef std::tuple<uint256, int, CAmount, bool> SendManyInputUTXO;
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// Input JSOP is a tuple of JSOutpoint, note and amount
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typedef std::tuple<JSOutPoint, Note, CAmount> SendManyInputJSOP;
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// Package of info which is passed to perform_joinsplit methods.
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struct AsyncJoinSplitInfo
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{
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std::vector<JSInput> vjsin;
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std::vector<JSOutput> vjsout;
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std::vector<Note> notes;
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CAmount vpub_old = 0;
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CAmount vpub_new = 0;
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};
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class AsyncRPCOperation_sendmany : public AsyncRPCOperation {
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public:
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AsyncRPCOperation_sendmany(std::string fromAddress, std::vector<SendManyRecipient> tOutputs, std::vector<SendManyRecipient> zOutputs, int minDepth);
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virtual ~AsyncRPCOperation_sendmany();
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// We don't want to be copied or moved around
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AsyncRPCOperation_sendmany(AsyncRPCOperation_sendmany const&) = delete; // Copy construct
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AsyncRPCOperation_sendmany(AsyncRPCOperation_sendmany&&) = delete; // Move construct
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AsyncRPCOperation_sendmany& operator=(AsyncRPCOperation_sendmany const&) = delete; // Copy assign
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AsyncRPCOperation_sendmany& operator=(AsyncRPCOperation_sendmany &&) = delete; // Move assign
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virtual void main();
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bool testmode = false; // Set this to true to disable sending transactions to the network
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private:
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friend class TEST_FRIEND_AsyncRPCOperation_sendmany; // class for unit testing
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int mindepth_;
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std::string fromaddress_;
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bool isfromtaddr_;
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bool isfromzaddr_;
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CBitcoinAddress fromtaddr_;
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PaymentAddress frompaymentaddress_;
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SpendingKey spendingkey_;
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uint256 joinSplitPubKey_;
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unsigned char joinSplitPrivKey_[crypto_sign_SECRETKEYBYTES];
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std::vector<SendManyRecipient> t_outputs_;
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std::vector<SendManyRecipient> z_outputs_;
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std::vector<SendManyInputUTXO> t_inputs_;
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std::vector<SendManyInputJSOP> z_inputs_;
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CTransaction tx_;
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void add_taddr_change_output_to_tx(CAmount amount);
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void add_taddr_outputs_to_tx();
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bool find_unspent_notes();
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bool find_utxos(bool fAcceptCoinbase);
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boost::array<unsigned char, ZC_MEMO_SIZE> get_memo_from_hex_string(std::string s);
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bool main_impl();
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// JoinSplit without any input notes to spend
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Object perform_joinsplit(AsyncJoinSplitInfo &);
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// JoinSplit with input notes to spend (JSOutPoints))
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Object perform_joinsplit(AsyncJoinSplitInfo &, std::vector<JSOutPoint> & );
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// JoinSplit where you have the witnesses and anchor
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Object perform_joinsplit(
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AsyncJoinSplitInfo & info,
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std::vector<boost::optional < ZCIncrementalWitness>> witnesses,
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uint256 anchor);
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void sign_send_raw_transaction(Object obj); // throws exception if there was an error
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};
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// To test private methods, a friend class can act as a proxy
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class TEST_FRIEND_AsyncRPCOperation_sendmany {
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public:
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std::shared_ptr<AsyncRPCOperation_sendmany> delegate;
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TEST_FRIEND_AsyncRPCOperation_sendmany(std::shared_ptr<AsyncRPCOperation_sendmany> ptr) : delegate(ptr) {}
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CTransaction getTx() {
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return delegate->tx_;
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}
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void setTx(CTransaction tx) {
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delegate->tx_ = tx;
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}
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// Delegated methods
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void add_taddr_change_output_to_tx(CAmount amount) {
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delegate->add_taddr_change_output_to_tx(amount);
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}
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void add_taddr_outputs_to_tx() {
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delegate->add_taddr_outputs_to_tx();
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}
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bool find_unspent_notes() {
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return delegate->find_unspent_notes();
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}
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bool find_utxos(bool fAcceptCoinbase) {
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return delegate->find_utxos(fAcceptCoinbase);
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}
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boost::array<unsigned char, ZC_MEMO_SIZE> get_memo_from_hex_string(std::string s) {
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return delegate->get_memo_from_hex_string(s);
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}
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bool main_impl() {
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return delegate->main_impl();
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}
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Object perform_joinsplit(AsyncJoinSplitInfo &info) {
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return delegate->perform_joinsplit(info);
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}
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Object perform_joinsplit(AsyncJoinSplitInfo &info, std::vector<JSOutPoint> &v ) {
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return delegate->perform_joinsplit(info, v);
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}
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Object perform_joinsplit(
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AsyncJoinSplitInfo & info,
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std::vector<boost::optional < ZCIncrementalWitness>> witnesses,
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uint256 anchor)
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{
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return delegate->perform_joinsplit(info, witnesses, anchor);
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}
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void sign_send_raw_transaction(Object obj) {
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delegate->sign_send_raw_transaction(obj);
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}
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};
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#endif /* ASYNCRPCOPERATION_SENDMANY_H */
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