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signature collection for withdraw operations

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This commit is contained in:
gladcow 2020-03-04 18:35:30 +03:00
parent ab9a7f2fca
commit ed19ccee25
1 changed files with 56 additions and 4 deletions
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60
libraries/plugins/peerplays_sidechain/sidechain_net_handler_bitcoin.cpp
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@ -954,19 +954,71 @@ std::string sidechain_net_handler_bitcoin::transfer_withdrawal_from_primary_wall
tx.nVersion = 2;
tx.nLockTime = 0;
tx.hasWitness = true;
std::vector<uint64_t> amounts;
for(const auto& utxo: unspent_utxo)
{
tx.vin.push_back(btc_in(utxo.txid_, utxo.amount_));
amounts.push_back(uint64_t(utxo.amount_ * 100000000.0));
}
tx.vout.push_back(btc_out(swwo.withdraw_address, swwo.withdraw_amount.value));
if((total_amount - min_amount) > 0.0)
{
tx.vout.push_back(btc_out(pw_address, (total_amount - min_amount) * 100000000.0));
}
bytes unsigned_tx;
tx.to_bytes(unsigned_tx);
auto from_sons = obj->sons;
std::string reply_str = fc::to_hex((char*)&unsigned_tx[0], unsigned_tx.size());
return sign_and_send_transaction_with_wallet(reply_str);
std::vector<std::pair<fc::ecc::public_key, uint64_t> > key_data;
for(auto si: from_sons)
{
fc::ecc::public_key pk = si.signing_key;
key_data.push_back(std::make_pair(pk, si.total_votes));
}
std::sort(key_data.begin(), key_data.end(),
[](std::pair<fc::ecc::public_key, uint64_t> p1, std::pair<fc::ecc::public_key, uint64_t> p2){
return (p1.second > p2.second);
}
);
bytes from_redeem_script = generate_redeem_script(key_data);
bitcoin_transaction_send_operation op;
op.payer = GRAPHENE_SON_ACCOUNT;
op.redeem_script = from_redeem_script;
op.in_amounts = amounts;
tx.to_bytes(op.unsigned_tx);
// add signatures
std::set<son_id_type> plugin_sons = plugin.get_sons();
for(auto si: from_sons)
{
if (plugin_sons.find(si.son_id) != plugin_sons.end())
{
fc::ecc::private_key k = plugin.get_private_key(si.son_id);
std::vector<bytes> signatures = signatures_for_raw_transaction(op.unsigned_tx, amounts, from_redeem_script, k);
op.signatures[si.son_id] = signatures;
}
else
{
op.signatures[si.son_id];
}
}
const chain::global_property_object& gpo = database.get_global_properties();
proposal_create_operation proposal_op;
proposal_op.fee_paying_account = plugin.get_son_object(plugin.get_current_son_id()).son_account;
proposal_op.proposed_ops.emplace_back( op_wrapper( op ) );
uint32_t lifetime = ( gpo.parameters.block_interval * gpo.active_witnesses.size() ) * 3;
proposal_op.expiration_time = time_point_sec( database.head_block_time().sec_since_epoch() + lifetime );
signed_transaction trx = database.create_signed_transaction(plugin.get_private_key(plugin.get_current_son_id()), proposal_op);
try {
database.push_transaction(trx, database::validation_steps::skip_block_size_check);
if(plugin.app().p2p_node())
plugin.app().p2p_node()->broadcast(net::trx_message(trx));
} catch(fc::exception e){
ilog("sidechain_net_handler: sending proposal for son wallet update operation failed with exception ${e}",("e", e.what()));
return "";
}
return "";
}
void sidechain_net_handler_bitcoin::publish_btc_tx(const bitcoin_transaction_object &tx_object)