[tests] Rename rpc_* functional tests.

1 files changed, 227 insertions, 0 deletions

diff --git a/test/functional/rpc_blockchain.py b/test/functional/rpc_blockchain.py
new file mode 100755
index 0000000000..11acff4be1
--- /dev/null
+++ b/test/functional/rpc_blockchain.py
@@ -0,0 +1,227 @@
+#!/usr/bin/env python3
+# Copyright (c) 2014-2017 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 RPCs related to blockchainstate.
+
+Test the following RPCs:
+    - getblockchaininfo
+    - gettxoutsetinfo
+    - getdifficulty
+    - getbestblockhash
+    - getblockhash
+    - getblockheader
+    - getchaintxstats
+    - getnetworkhashps
+    - verifychain
+
+Tests correspond to code in rpc/blockchain.cpp.
+"""
+
+from decimal import Decimal
+import http.client
+import subprocess
+
+from test_framework.test_framework import BitcoinTestFramework
+from test_framework.util import (
+    assert_equal,
+    assert_greater_than,
+    assert_greater_than_or_equal,
+    assert_raises,
+    assert_raises_rpc_error,
+    assert_is_hex_string,
+    assert_is_hash_string,
+)
+
+class BlockchainTest(BitcoinTestFramework):
+    def set_test_params(self):
+        self.num_nodes = 1
+        self.extra_args = [['-stopatheight=207', '-prune=1']]
+
+    def run_test(self):
+        self._test_getblockchaininfo()
+        self._test_getchaintxstats()
+        self._test_gettxoutsetinfo()
+        self._test_getblockheader()
+        self._test_getdifficulty()
+        self._test_getnetworkhashps()
+        self._test_stopatheight()
+        assert self.nodes[0].verifychain(4, 0)
+
+    def _test_getblockchaininfo(self):
+        self.log.info("Test getblockchaininfo")
+
+        keys = [
+            'bestblockhash',
+            'bip9_softforks',
+            'blocks',
+            'chain',
+            'chainwork',
+            'difficulty',
+            'headers',
+            'initialblockdownload',
+            'mediantime',
+            'pruned',
+            'size_on_disk',
+            'softforks',
+            'verificationprogress',
+            'warnings',
+        ]
+        res = self.nodes[0].getblockchaininfo()
+
+        # result should have these additional pruning keys if manual pruning is enabled
+        assert_equal(sorted(res.keys()), sorted(['pruneheight', 'automatic_pruning'] + keys))
+
+        # size_on_disk should be > 0
+        assert_greater_than(res['size_on_disk'], 0)
+
+        # pruneheight should be greater or equal to 0
+        assert_greater_than_or_equal(res['pruneheight'], 0)
+
+        # check other pruning fields given that prune=1
+        assert res['pruned']
+        assert not res['automatic_pruning']
+
+        self.restart_node(0, ['-stopatheight=207'])
+        res = self.nodes[0].getblockchaininfo()
+        # should have exact keys
+        assert_equal(sorted(res.keys()), keys)
+
+        self.restart_node(0, ['-stopatheight=207', '-prune=550'])
+        res = self.nodes[0].getblockchaininfo()
+        # result should have these additional pruning keys if prune=550
+        assert_equal(sorted(res.keys()), sorted(['pruneheight', 'automatic_pruning', 'prune_target_size'] + keys))
+
+        # check related fields
+        assert res['pruned']
+        assert_equal(res['pruneheight'], 0)
+        assert res['automatic_pruning']
+        assert_equal(res['prune_target_size'], 576716800)
+        assert_greater_than(res['size_on_disk'], 0)
+
+    def _test_getchaintxstats(self):
+        chaintxstats = self.nodes[0].getchaintxstats(1)
+        # 200 txs plus genesis tx
+        assert_equal(chaintxstats['txcount'], 201)
+        # tx rate should be 1 per 10 minutes, or 1/600
+        # we have to round because of binary math
+        assert_equal(round(chaintxstats['txrate'] * 600, 10), Decimal(1))
+
+        b1 = self.nodes[0].getblock(self.nodes[0].getblockhash(1))
+        b200 = self.nodes[0].getblock(self.nodes[0].getblockhash(200))
+        time_diff = b200['mediantime'] - b1['mediantime']
+
+        chaintxstats = self.nodes[0].getchaintxstats()
+        assert_equal(chaintxstats['time'], b200['time'])
+        assert_equal(chaintxstats['txcount'], 201)
+        assert_equal(chaintxstats['window_block_count'], 199)
+        assert_equal(chaintxstats['window_tx_count'], 199)
+        assert_equal(chaintxstats['window_interval'], time_diff)
+        assert_equal(round(chaintxstats['txrate'] * time_diff, 10), Decimal(199))
+
+        chaintxstats = self.nodes[0].getchaintxstats(blockhash=b1['hash'])
+        assert_equal(chaintxstats['time'], b1['time'])
+        assert_equal(chaintxstats['txcount'], 2)
+        assert_equal(chaintxstats['window_block_count'], 0)
+        assert('window_tx_count' not in chaintxstats)
+        assert('window_interval' not in chaintxstats)
+        assert('txrate' not in chaintxstats)
+
+        assert_raises_rpc_error(-8, "Invalid block count: should be between 0 and the block's height - 1", self.nodes[0].getchaintxstats, 201)
+
+    def _test_gettxoutsetinfo(self):
+        node = self.nodes[0]
+        res = node.gettxoutsetinfo()
+
+        assert_equal(res['total_amount'], Decimal('8725.00000000'))
+        assert_equal(res['transactions'], 200)
+        assert_equal(res['height'], 200)
+        assert_equal(res['txouts'], 200)
+        assert_equal(res['bogosize'], 17000),
+        assert_equal(res['bestblock'], node.getblockhash(200))
+        size = res['disk_size']
+        assert size > 6400
+        assert size < 64000
+        assert_equal(len(res['bestblock']), 64)
+        assert_equal(len(res['hash_serialized_2']), 64)
+
+        self.log.info("Test that gettxoutsetinfo() works for blockchain with just the genesis block")
+        b1hash = node.getblockhash(1)
+        node.invalidateblock(b1hash)
+
+        res2 = node.gettxoutsetinfo()
+        assert_equal(res2['transactions'], 0)
+        assert_equal(res2['total_amount'], Decimal('0'))
+        assert_equal(res2['height'], 0)
+        assert_equal(res2['txouts'], 0)
+        assert_equal(res2['bogosize'], 0),
+        assert_equal(res2['bestblock'], node.getblockhash(0))
+        assert_equal(len(res2['hash_serialized_2']), 64)
+
+        self.log.info("Test that gettxoutsetinfo() returns the same result after invalidate/reconsider block")
+        node.reconsiderblock(b1hash)
+
+        res3 = node.gettxoutsetinfo()
+        assert_equal(res['total_amount'], res3['total_amount'])
+        assert_equal(res['transactions'], res3['transactions'])
+        assert_equal(res['height'], res3['height'])
+        assert_equal(res['txouts'], res3['txouts'])
+        assert_equal(res['bogosize'], res3['bogosize'])
+        assert_equal(res['bestblock'], res3['bestblock'])
+        assert_equal(res['hash_serialized_2'], res3['hash_serialized_2'])
+
+    def _test_getblockheader(self):
+        node = self.nodes[0]
+
+        assert_raises_rpc_error(-5, "Block not found",
+                              node.getblockheader, "nonsense")
+
+        besthash = node.getbestblockhash()
+        secondbesthash = node.getblockhash(199)
+        header = node.getblockheader(besthash)
+
+        assert_equal(header['hash'], besthash)
+        assert_equal(header['height'], 200)
+        assert_equal(header['confirmations'], 1)
+        assert_equal(header['previousblockhash'], secondbesthash)
+        assert_is_hex_string(header['chainwork'])
+        assert_is_hash_string(header['hash'])
+        assert_is_hash_string(header['previousblockhash'])
+        assert_is_hash_string(header['merkleroot'])
+        assert_is_hash_string(header['bits'], length=None)
+        assert isinstance(header['time'], int)
+        assert isinstance(header['mediantime'], int)
+        assert isinstance(header['nonce'], int)
+        assert isinstance(header['version'], int)
+        assert isinstance(int(header['versionHex'], 16), int)
+        assert isinstance(header['difficulty'], Decimal)
+
+    def _test_getdifficulty(self):
+        difficulty = self.nodes[0].getdifficulty()
+        # 1 hash in 2 should be valid, so difficulty should be 1/2**31
+        # binary => decimal => binary math is why we do this check
+        assert abs(difficulty * 2**31 - 1) < 0.0001
+
+    def _test_getnetworkhashps(self):
+        hashes_per_second = self.nodes[0].getnetworkhashps()
+        # This should be 2 hashes every 10 minutes or 1/300
+        assert abs(hashes_per_second * 300 - 1) < 0.0001
+
+    def _test_stopatheight(self):
+        assert_equal(self.nodes[0].getblockcount(), 200)
+        self.nodes[0].generate(6)
+        assert_equal(self.nodes[0].getblockcount(), 206)
+        self.log.debug('Node should not stop at this height')
+        assert_raises(subprocess.TimeoutExpired, lambda: self.nodes[0].process.wait(timeout=3))
+        try:
+            self.nodes[0].generate(1)
+        except (ConnectionError, http.client.BadStatusLine):
+            pass  # The node already shut down before response
+        self.log.debug('Node should stop at this height...')
+        self.nodes[0].wait_until_stopped()
+        self.start_node(0)
+        assert_equal(self.nodes[0].getblockcount(), 207)
+
+
+if __name__ == '__main__':
+    BlockchainTest().main()