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sign_transaction_standalone implementation

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This commit is contained in:
gladcow 2020-03-21 13:03:42 +03:00
parent 13076ee73e
commit 8d3d70e23c
1 changed files with 40 additions and 10 deletions
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50
libraries/plugins/peerplays_sidechain/sidechain_net_handler_bitcoin.cpp
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@ -17,6 +17,7 @@
#include <graphene/chain/protocol/son_wallet.hpp>
#include <graphene/chain/son_info.hpp>
#include <graphene/chain/son_wallet_object.hpp>
#include <graphene/utilities/key_conversion.hpp>
namespace graphene { namespace peerplays_sidechain {
@ -870,7 +871,8 @@ void sidechain_net_handler_bitcoin::recreate_primary_wallet() {
boost::property_tree::ptree address_info_pt;
boost::property_tree::read_json(address_info_ss, address_info_pt);
std::string address = address_info_pt.get_child("result").get<std::string>("address");
std::string address = address_info_pt.get<std::string>("address");
std::string redeem_script = address_info_pt.get<std::string>("redeemScript");
son_wallet_update_operation op;
op.payer = gpo.parameters.son_account();
@ -933,7 +935,7 @@ void sidechain_net_handler_bitcoin::recreate_primary_wallet() {
fc::flat_map<std::string, double> outputs;
outputs[active_pw_address] = total_amount - min_amount;
std::string tx_str = create_transaction(inputs, outputs, "");
std::string tx_str = create_transaction(inputs, outputs, redeem_script);
if (!tx_str.empty()) {
@ -1263,22 +1265,23 @@ std::string sidechain_net_handler_bitcoin::create_transaction_standalone(const s
tx.nVersion = 2;
tx.nLockTime = 0;
tx.hasWitness = true;
vector<uint64_t> in_amounts;
for(const auto& in: inputs)
{
btc_in bin(in.txid_, in.out_num_, in.amount_);
tx.vin.push_back(bin);
tx.vin.push_back(btc_in(in.txid_, in.out_num_, in.amount_));
in_amounts.push_back(in.amount_);
}
for(const auto& out: outputs)
tx.vout.push_back(btc_out(out.first, out.second));
bytes buf;
tx.to_bytes(buf);
if (!redeem_script.empty()) {
if (redeem_script.size()) {
bytes redeem_script_bin;
redeem_script_bin.resize(redeem_script.size() / 2);
fc::from_hex(redeem_script, (char*)&redeem_script_bin[0], redeem_script_bin.size());
buf = add_dummy_signatures_for_pw_transfer(buf, redeem_script_bin, 15);
buf = add_dummy_signatures_for_pw_transfer(buf, redeem_script_bin, 15); // TODO: get son number from the script
}
return fc::to_hex((char*)&buf[0], buf.size());
return save_tx_data_to_string(buf, in_amounts);
}
std::string sidechain_net_handler_bitcoin::sign_transaction_raw(const sidechain_transaction_object &sto, bool &complete) {
@ -1378,10 +1381,37 @@ std::string sidechain_net_handler_bitcoin::sign_transaction_psbt(const sidechain
}
std::string sidechain_net_handler_bitcoin::sign_transaction_standalone(const sidechain_transaction_object &sto, bool &complete) {
complete = false;
if(complete)
return sto.transaction;
complete = true;
return "";
uint64_t total_votes = 0;
uint64_t already_signed = 0;
for (unsigned idx = 0; idx < sto.signatures.size(); ++idx) {
son_object son = plugin.get_son_object(sto.signatures[idx].first);
total_votes += son.total_votes;
if(!sto.signatures[idx].second.empty())
already_signed += son.total_votes;
}
set<son_id_type> owed_sons = plugin.get_sons();
bytes partially_signed_tx;
vector<uint64_t> in_amounts;
read_tx_data_from_string(sto.transaction, partially_signed_tx, in_amounts);
for (unsigned idx = 0; idx < sto.signatures.size(); ++idx) {
if(!sto.signatures[idx].second.empty())
continue;
if(!owed_sons.count(sto.signatures[idx].first))
continue;
son_object son = plugin.get_son_object(sto.signatures[idx].first);
std::string btc_public_key = son.sidechain_public_keys[sidechain_type::bitcoin];
fc::optional<fc::ecc::private_key> btc_private_key = graphene::utilities::wif_to_key(private_keys[btc_public_key]);
partially_signed_tx = partially_sign_pw_transfer_transaction(partially_signed_tx, in_amounts, *btc_private_key, idx);
already_signed += son.total_votes;
}
complete = (3 * already_signed > 2 * total_votes);
if(complete)
return fc::to_hex((const char*)&partially_signed_tx[0], partially_signed_tx.size());
return save_tx_data_to_string(partially_signed_tx, in_amounts);
}
bool sidechain_net_handler_bitcoin::send_transaction_raw(const sidechain_transaction_object &sto, std::string &sidechain_transaction) {