test: add new elements_code_tutorial functional test

Author: jamesdorfman

test/functional/example_elements_code_tutorial.py

@@ -0,0 +1,73 @@
+#!/usr/bin/env python3
+# Copyright (c) 2017-2020 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+"""Tests reissuance functionality from the elements code tutorial
+See: https://elementsproject.org/elements-code-tutorial/reissuing-assets
+
+TODO: add functionality from contrib/assets_tutorial/assets_tutorial.py into here
+"""
+from test_framework.blocktools import COINBASE_MATURITY
+from test_framework.test_framework import BitcoinTestFramework
+
+class WalletTest(BitcoinTestFramework):
+    def set_test_params(self):
+        self.setup_clean_chain = True
+        self.num_nodes = 2
+        self.extra_args = [[
+            "-blindedaddresses=1",
+            "-initialfreecoins=2100000000000000",
+            "-con_blocksubsidy=0",
+            "-con_connect_genesis_outputs=1",
+            "-txindex=1",
+        ]] * self.num_nodes
+        self.extra_args[0].append("-anyonecanspendaremine=1")
+
+    def skip_test_if_missing_module(self):
+        self.skip_if_no_wallet()
+
+    def run_test(self):
+        self.generate(self.nodes[0], COINBASE_MATURITY + 1)
+        self.sync_all()
+
+        assert self.nodes[0].dumpassetlabels() == {'bitcoin': 'b2e15d0d7a0c94e4e2ce0fe6e8691b9e451377f6e46e8045a86f7c4b5d4f0f23'}
+
+        issuance = self.nodes[0].issueasset(100, 1)
+        asset = issuance['asset']
+        #token = issuance['token']
+        issuance_txid = issuance['txid']
+        issuance_vin = issuance['vin']
+
+        assert len(self.nodes[0].listissuances()) == 2  # asset & reisuance token
+
+        self.nodes[0].generatetoaddress(1, self.nodes[0].getnewaddress(), invalid_call=False)  # confirm the tx
+
+        issuance_addr = self.nodes[0].gettransaction(issuance_txid)['details'][0]['address']
+        self.nodes[1].importaddress(issuance_addr)
+
+        issuance_key = self.nodes[0].dumpissuanceblindingkey(issuance_txid, issuance_vin)
+        self.nodes[1].importissuanceblindingkey(issuance_txid, issuance_vin, issuance_key)
+        issuances = self.nodes[1].listissuances()
+        assert (issuances[0]['tokenamount'] == 1 and issuances[0]['assetamount'] == 100) \
+            or (issuances[1]['tokenamount'] == 1 and issuances[1]['assetamount'] == 100)
+
+        self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1)
+        self.generate(self.nodes[0], 10)
+
+        reissuance_tx = self.nodes[0].reissueasset(asset, 99)
+        reissuance_txid = reissuance_tx['txid']
+        issuances = self.nodes[0].listissuances(asset)
+        assert len(issuances) == 2
+        assert issuances[0]['isreissuance'] or issuances[1]['isreissuance']
+
+        self.generate(self.nodes[0], 1)
+
+        expected_amt = {
+            'bitcoin': 0,
+            '8f1560e209f6bcac318569a935a0b2513c54f326ee4820ccd5b8c1b1b4632373': 0,
+            '4fa41f2929d4bf6975a55967d9da5b650b6b9bfddeae4d7b54b04394be328f7f': 99
+        }
+        assert self.nodes[0].gettransaction(reissuance_txid)['amount'] == expected_amt
+
+if __name__ == '__main__':
+    WalletTest().main()

test/functional/test_runner.py

@@ -88,6 +88,7 @@
 BASE_SCRIPTS = [
     # Scripts that are run by default.
     # vv First elements tests vv
+    'example_elements_code_tutorial.py',
     'feature_fedpeg.py --legacy-wallet',
     'feature_fedpeg.py --pre_transition --legacy-wallet',
     'feature_fedpeg.py --post_transition --legacy-wallet',