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Calculate fee for Omni TXs dynamically
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#!/usr/bin/env python3 | ||
# Copyright (c) 2017-2018 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 Omni fee calculation.""" | ||
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from test_framework.test_framework import BitcoinTestFramework | ||
from test_framework.util import assert_equal | ||
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class OmniFeeCalculation(BitcoinTestFramework): | ||
def set_test_params(self): | ||
self.num_nodes = 2 | ||
self.setup_clean_chain = True | ||
self.extra_args = [[], ["-omnidebug=all", "-paytxfee=0.00003"]] # 3,000 Sats per KB | ||
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def run_test(self): | ||
self.log.info("test fee calculation") | ||
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node0 = self.nodes[0] | ||
node1 = self.nodes[1] | ||
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# Preparing some mature Bitcoins | ||
coinbase_address = node0.getnewaddress() | ||
node0.generatetoaddress(130, coinbase_address) | ||
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# Obtaining a master address to work with | ||
address = node1.getnewaddress() | ||
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# Send lots of small dust inputs to create a large TX | ||
for _ in range(3): | ||
for _ in range(50): | ||
node0.sendtoaddress(address, 0.00002000) | ||
node0.generatetoaddress(10, coinbase_address) | ||
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# Test small transaction with single input | ||
txid = node1.omni_sendissuancefixed(address, 1, 2, 0, "", "", "TST", "", "", "1000") | ||
node1.generatetoaddress(2, coinbase_address) | ||
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# Checking the transaction was valid... | ||
result = node1.omni_gettransaction(txid) | ||
print(result) | ||
assert_equal(result['valid'], True) | ||
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# Minimum fee is 1KB and 3Sats/byte rate vins to cover 3,000 Sats will be selected. | ||
assert_equal(len(node1.getrawtransaction(txid, 1)['vin']), 2) | ||
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# Large data | ||
large_data = "111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111" | ||
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# Create large transaction, will fail if fee requirement not met | ||
txid = node1.omni_sendissuancecrowdsale(address, 1, 2, 0, large_data, large_data, large_data, large_data, large_data, 1, "1", 32533598549, 0, 0) | ||
node1.generatetoaddress(1, coinbase_address) | ||
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# Checking the transaction was valid... | ||
result = node1.omni_gettransaction(txid) | ||
assert_equal(result['valid'], True) | ||
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# Test DEx calls | ||
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# Create and fund new address | ||
omni_address = node0.getnewaddress() | ||
node0.sendtoaddress(omni_address, 20) | ||
node0.generatetoaddress(1, coinbase_address) | ||
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# Participating in the Exodus crowdsale to obtain some OMNI | ||
txid = node0.sendmany("", {"moneyqMan7uh8FqdCA2BV5yZ8qVrc9ikLP": 10, omni_address: 4}) | ||
node0.generatetoaddress(10, coinbase_address) | ||
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# Create Offer | ||
txid = node0.omni_senddexsell(omni_address, 1, "1", "1", 10, "0.0001", 1) | ||
node0.generatetoaddress(1, coinbase_address) | ||
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# Checking the transaction was valid... | ||
result = node0.omni_gettransaction(txid) | ||
assert_equal(result['valid'], True) | ||
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# Accept the DEx offer | ||
txid = node1.omni_senddexaccept(address, omni_address, 1, "1") | ||
node1.generatetoaddress(1, coinbase_address) | ||
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# Checking the transaction was valid... | ||
result = node1.omni_gettransaction(txid) | ||
print(result) | ||
assert_equal(result['valid'], True) | ||
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# Give buyer bitcoin to pay with, only fee left to pay | ||
node0.sendtoaddress(address, 1) | ||
node0.generatetoaddress(1, coinbase_address) | ||
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# Pay for the DEx offer, tests min fee arg to WalletTxBuilder | ||
txid = node1.omni_senddexpay(address, omni_address, 1, "1") | ||
node1.generatetoaddress(1, coinbase_address) | ||
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# Checking the transaction was valid... | ||
result = node1.omni_gettransaction(txid) | ||
assert_equal(result['purchases'][0]['valid'], True) | ||
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if __name__ == '__main__': | ||
OmniFeeCalculation().main() |
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