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create_transaction_standalone implementation

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This commit is contained in:
gladcow 2020-03-20 16:19:46 +03:00
parent 734e34b667
commit 727541d2b7
2 changed files with 30 additions and 66 deletions
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4
libraries/plugins/peerplays_sidechain/include/graphene/peerplays_sidechain/sidechain_net_handler_bitcoin.hpp
View file

@ -103,13 +103,13 @@ private:
fc::future<void> on_changed_objects_task;
std::string create_transaction(const std::vector<btc_txout> &inputs, const fc::flat_map<std::string, double> outputs);
std::string create_transaction(const std::vector<btc_txout> &inputs, const fc::flat_map<std::string, double> outputs, const std::string& extra_data);
std::string sign_transaction(const sidechain_transaction_object &sto, bool &complete);
bool send_transaction(const sidechain_transaction_object &sto, std::string &sidechain_transaction);
std::string create_transaction_raw(const std::vector<btc_txout> &inputs, const fc::flat_map<std::string, double> outputs);
std::string create_transaction_psbt(const std::vector<btc_txout> &inputs, const fc::flat_map<std::string, double> outputs);
std::string create_transaction_standalone(const std::vector<btc_txout> &inputs, const fc::flat_map<std::string, double> outputs);
std::string create_transaction_standalone(const std::vector<btc_txout> &inputs, const fc::flat_map<std::string, double> outputs, const std::string& redeem_script);
std::string sign_transaction_raw(const sidechain_transaction_object &sto, bool &complete);
std::string sign_transaction_psbt(const sidechain_transaction_object &sto, bool &complete);

92
libraries/plugins/peerplays_sidechain/sidechain_net_handler_bitcoin.cpp
View file

@ -1,4 +1,5 @@
#include <graphene/peerplays_sidechain/sidechain_net_handler_bitcoin.hpp>
#include <graphene/peerplays_sidechain/bitcoin_utils.hpp>
#include <algorithm>
#include <thread>
@ -8,6 +9,7 @@
#include <boost/property_tree/ptree.hpp>
#include <fc/crypto/base64.hpp>
#include <fc/crypto/hex.hpp>
#include <fc/log/logger.hpp>
#include <fc/network/ip.hpp>
@ -931,7 +933,7 @@ 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, "");
if (!tx_str.empty()) {
@ -1000,7 +1002,7 @@ bool sidechain_net_handler_bitcoin::process_deposit(const son_wallet_deposit_obj
outputs[pw_address] = transfer_amount;
std::string tx_str = create_transaction(inputs, outputs);
std::string tx_str = create_transaction(inputs, outputs, "");
if (!tx_str.empty()) {
const chain::global_property_object &gpo = database.get_global_properties();
@ -1076,7 +1078,7 @@ bool sidechain_net_handler_bitcoin::process_withdrawal(const son_wallet_withdraw
outputs[pw_address] = total_amount - min_amount;
}
std::string tx_str = create_transaction(inputs, outputs);
std::string tx_str = create_transaction(inputs, outputs, "");
if (!tx_str.empty()) {
const chain::global_property_object &gpo = database.get_global_properties();
@ -1137,11 +1139,11 @@ bool sidechain_net_handler_bitcoin::send_sidechain_transaction(const sidechain_t
// Creates transaction in any format
// Function to actually create transaction should return transaction string, or empty string in case of failure
std::string sidechain_net_handler_bitcoin::create_transaction(const std::vector<btc_txout> &inputs, const fc::flat_map<std::string, double> outputs) {
std::string sidechain_net_handler_bitcoin::create_transaction(const std::vector<btc_txout> &inputs, const fc::flat_map<std::string, double> outputs, const std::string& extra_data) {
std::string new_tx = "";
//new_tx = create_transaction_raw(inputs, outputs);
new_tx = create_transaction_psbt(inputs, outputs);
//new_tx = create_transaction_standalone(inputs, outputs);
//new_tx = create_transaction_standalone(inputs, outputs, extra_data);
return new_tx;
}
@ -1170,65 +1172,27 @@ std::string sidechain_net_handler_bitcoin::create_transaction_psbt(const std::ve
return bitcoin_client->createpsbt(inputs, outputs);
}
std::string sidechain_net_handler_bitcoin::create_transaction_standalone(const std::vector<btc_txout> &inputs, const fc::flat_map<std::string, double> outputs) {
// Examples
// Transaction with no inputs and outputs
//bitcoin-core.cli -rpcuser=1 -rpcpassword=1 -rpcwallet="" createrawtransaction '[]' '[]'
//02000000000000000000
//bitcoin-core.cli -rpcuser=1 -rpcpassword=1 -rpcwallet="" decoderawtransaction 02000000000000000000
//{
// "txid": "4ebd325a4b394cff8c57e8317ccf5a8d0e2bdf1b8526f8aad6c8e43d8240621a",
// "hash": "4ebd325a4b394cff8c57e8317ccf5a8d0e2bdf1b8526f8aad6c8e43d8240621a",
// "version": 2,
// "size": 10,
// "vsize": 10,
// "weight": 40,
// "locktime": 0,
// "vin": [
// ],
// "vout": [
// ]
//}
// Transaction with input and output
//{
// "txid": "ff60f48f767bbf70d79efc1347b5554b481f14fda68709839091286e035e669b",
// "hash": "ff60f48f767bbf70d79efc1347b5554b481f14fda68709839091286e035e669b",
// "version": 2,
// "size": 83,
// "vsize": 83,
// "weight": 332,
// "locktime": 0,
// "vin": [
// {
// "txid": "3d322dc2640239a2e68e182b254d19c88e5172a61947f94a105c3f57618092ff",
// "vout": 0,
// "scriptSig": {
// "asm": "",
// "hex": ""
// },
// "sequence": 4294967295
// }
// ],
// "vout": [
// {
// "value": 1.00000000,
// "n": 0,
// "scriptPubKey": {
// "asm": "OP_HASH160 b87c323018cae236eb03a1f63000c85b672270f6 OP_EQUAL",
// "hex": "a914b87c323018cae236eb03a1f63000c85b672270f687",
// "reqSigs": 1,
// "type": "scripthash",
// "addresses": [
// "2NA4h6sc9oZ4ogfNKU9Wp6fkqPZLZPqqpgf"
// ]
// }
// }
// ]
//}
return "";
std::string sidechain_net_handler_bitcoin::create_transaction_standalone(const std::vector<btc_txout> &inputs, const fc::flat_map<std::string, double> outputs, const std::string& redeem_script) {
btc_tx tx;
tx.nVersion = 2;
tx.nLockTime = 0;
tx.hasWitness = true;
for(const auto& in: inputs)
{
btc_in bin(in.txid_, in.out_num_, in.amount_);
tx.vin.push_back(bin);
}
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()) {
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);
}
return fc::to_hex((char*)&buf[0], buf.size());
}
std::string sidechain_net_handler_bitcoin::sign_transaction_raw(const sidechain_transaction_object &sto, bool &complete) {