text: #!/usr/bin/env python3
  # Copyright (c) 2018 The Bitcoin Core developers
  # Distributed under the MIT software license, see the accompanying
  # file COPYING or http://www.opensource.org/licenses/mit-license.php.
  """Test the wallet balance RPC methods."""
  from decimal import Decimal
  
  from test_framework.test_framework import BitcoinTestFramework
  from test_framework.util import (
      assert_equal,
      assert_raises_rpc_error,
  )
  from test_framework.eurekacoin import convert_btc_address_to_eurekacoin
  from test_framework.eurekacoinconfig import INITIAL_BLOCK_REWARD, COINBASE_MATURITY
  
  RANDOM_COINBASE_ADDRESS = convert_btc_address_to_eurekacoin('mneYUmWYsuk7kySiURxCi3AGxrAqZxLgPZ')
  
  def create_transactions(node, address, amt, fees):
      # Create and sign raw transactions from node to address for amt.
      # Creates a transaction for each fee and returns an array
      # of the raw transactions.
      utxos = node.listunspent(0)
  
      # Create transactions
      inputs = []
      ins_total = 0
      for utxo in utxos:
          inputs.append({"txid": utxo["txid"], "vout": utxo["vout"]})
          ins_total += utxo['amount']
          if ins_total > amt:
              break
  
      txs = []
      for fee in fees:
          outputs = {address: amt, node.getrawchangeaddress(): ins_total - amt - fee}
          raw_tx = node.createrawtransaction(inputs, outputs, 0, True)
          raw_tx = node.signrawtransactionwithwallet(raw_tx)
          txs.append(raw_tx)
  
      return txs
  
  class WalletTest(BitcoinTestFramework):
      def set_test_params(self):
          self.num_nodes = 3
          self.setup_clean_chain = True
  
      def skip_test_if_missing_module(self):
          self.skip_if_no_wallet()
  
      def run_test(self):
          # Check that nodes don't own any UTXOs
          assert_equal(len(self.nodes[0].listunspent()), 0)
          assert_equal(len(self.nodes[1].listunspent()), 0)
  
          self.log.info("We use a third node here that sends 50 eurekacoin to each of the two other nodes to keep compatibility with bitcoin")
  
          self.nodes[2].generate(1)
          self.sync_all()
          self.nodes[2].generate(1)
          self.nodes[2].generatetoaddress(COINBASE_MATURITY, RANDOM_COINBASE_ADDRESS)
          self.sync_all()
          self.nodes[2].sendmany("", {self.nodes[0].getnewaddress(): 50, self.nodes[1].getnewaddress(): 50})
          self.nodes[2].generatetoaddress(COINBASE_MATURITY, RANDOM_COINBASE_ADDRESS)
  
          assert_equal(self.nodes[0].getbalance(), 50)
          assert_equal(self.nodes[1].getbalance(), 50)
  
          self.log.info("Test getbalance with different arguments")
          assert_equal(self.nodes[0].getbalance("*"), 50)
          assert_equal(self.nodes[0].getbalance("*", 1), 50)
          assert_equal(self.nodes[0].getbalance("*", 1, True), 50)
          assert_equal(self.nodes[0].getbalance(minconf=1), 50)
  
          # Send 40 BTC from 0 to 1 and 60 BTC from 1 to 0.
          txs = create_transactions(self.nodes[0], self.nodes[1].getnewaddress(), 40, [Decimal('0.01')])
          self.nodes[0].sendrawtransaction(txs[0]['hex'])
          self.nodes[1].sendrawtransaction(txs[0]['hex'])  # sending on both nodes is faster than waiting for propagation
  
          self.sync_all()
          txs = create_transactions(self.nodes[1], self.nodes[0].getnewaddress(), 60, [Decimal('0.01'), Decimal('0.02')])
          self.nodes[1].sendrawtransaction(txs[0]['hex'])
          self.nodes[0].sendrawtransaction(txs[0]['hex'])  # sending on both nodes is faster than waiting for propagation
          self.sync_all()
  
          # First argument of getbalance must be set to "*"
          assert_raises_rpc_error(-32, "dummy first argument must be excluded or set to \"*\"", self.nodes[1].getbalance, "")
  
          self.log.info("Test getbalance and getunconfirmedbalance with unconfirmed inputs")
  
          # getbalance without any arguments includes unconfirmed transactions, but not untrusted transactions
          assert_equal(self.nodes[0].getbalance(), Decimal('9.99'))  # change from node 0's send
          assert_equal(self.nodes[1].getbalance(), Decimal('29.99'))  # change from node 1's send
          # Same with minconf=0
          assert_equal(self.nodes[0].getbalance(minconf=0), Decimal('9.99'))
          assert_equal(self.nodes[1].getbalance(minconf=0), Decimal('29.99'))
          # getbalance with a minconf incorrectly excludes coins that have been spent more recently than the minconf blocks ago
          # TODO: fix getbalance tracking of coin spentness depth
          assert_equal(self.nodes[0].getbalance(minconf=1), Decimal('0'))
          assert_equal(self.nodes[1].getbalance(minconf=1), Decimal('0'))
          # getunconfirmedbalance
          assert_equal(self.nodes[0].getunconfirmedbalance(), Decimal('60'))  # output of node 1's spend
          assert_equal(self.nodes[1].getunconfirmedbalance(), Decimal('0'))  # Doesn't include output of node 0's send since it was spent
  
          # Node 1 bumps the transaction fee and resends
          self.nodes[1].sendrawtransaction(txs[1]['hex'])
          self.sync_all()
  
          self.log.info("Test getbalance and getunconfirmedbalance with conflicted unconfirmed inputs")
  
          assert_equal(self.nodes[0].getwalletinfo()["unconfirmed_balance"], Decimal('60'))  # output of node 1's send
          assert_equal(self.nodes[0].getunconfirmedbalance(), Decimal('60'))
          assert_equal(self.nodes[1].getwalletinfo()["unconfirmed_balance"], Decimal('0'))  # Doesn't include output of node 0's send since it was spent
          assert_equal(self.nodes[1].getunconfirmedbalance(), Decimal('0'))
  
          self.nodes[1].generatetoaddress(1, RANDOM_COINBASE_ADDRESS)
          self.sync_all()
  
          # balances are correct after the transactions are confirmed
          assert_equal(self.nodes[0].getbalance(), Decimal('69.99'))  # node 1's send plus change from node 0's send
          assert_equal(self.nodes[1].getbalance(), Decimal('29.98'))  # change from node 0's send
  
          # Send total balance away from node 1
          txs = create_transactions(self.nodes[1], self.nodes[0].getnewaddress(), Decimal('29.97'), [Decimal('0.01')])
          self.nodes[1].sendrawtransaction(txs[0]['hex'])
          self.nodes[1].generatetoaddress(2, RANDOM_COINBASE_ADDRESS)
          self.sync_all()
  
          # getbalance with a minconf incorrectly excludes coins that have been spent more recently than the minconf blocks ago
          # TODO: fix getbalance tracking of coin spentness depth
          # getbalance with minconf=3 should still show the old balance
          assert_equal(self.nodes[1].getbalance(minconf=3), Decimal('0'))
  
          # getbalance with minconf=2 will show the new balance.
          assert_equal(self.nodes[1].getbalance(minconf=2), Decimal('0'))
  
          # check mempool transactions count for wallet unconfirmed balance after
          # dynamically loading the wallet.
          before = self.nodes[1].getunconfirmedbalance()
          dst = self.nodes[1].getnewaddress()
          self.nodes[1].unloadwallet('')
          self.nodes[0].sendtoaddress(dst, 0.1)
          self.sync_all()
          self.nodes[1].loadwallet('')
          after = self.nodes[1].getunconfirmedbalance()
          assert_equal(before + Decimal('0.1'), after)
  
  
  if __name__ == '__main__':
      WalletTest().main()
  