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-rwxr-xr-xtests/functional_tests/blockchain.py158
1 files changed, 158 insertions, 0 deletions
diff --git a/tests/functional_tests/blockchain.py b/tests/functional_tests/blockchain.py
index d805fccda..3957200d8 100755
--- a/tests/functional_tests/blockchain.py
+++ b/tests/functional_tests/blockchain.py
@@ -46,6 +46,7 @@ from framework.daemon import Daemon
class BlockchainTest():
def run_test(self):
self._test_generateblocks(5)
+ self._test_alt_chains()
def _test_generateblocks(self, blocks):
assert blocks >= 2
@@ -152,6 +153,163 @@ class BlockchainTest():
except: ok = True
assert ok
+ # get transactions
+ res = daemon.get_info()
+ assert res.height == height + blocks - 1
+ nblocks = height + blocks - 1
+ res = daemon.getblockheadersrange(0, nblocks - 1)
+ assert len(res.headers) == nblocks
+ assert res.headers[-1] == block_header
+ txids = [x.miner_tx_hash for x in res.headers]
+ res = daemon.get_transactions(txs_hashes = txids)
+ assert len(res.txs) == nblocks
+ assert not 'missed_txs' in res or len(res.missed_txs) == 0
+ running_output_index = 0
+ for i in range(len(txids)):
+ tx = res.txs[i]
+ assert tx.tx_hash == txids[i]
+ assert not tx.double_spend_seen
+ assert not tx.in_pool
+ assert tx.block_height == i
+ if i > 0:
+ for idx in tx.output_indices:
+ assert idx == running_output_index
+ running_output_index += 1
+ res_out = daemon.get_outs([{'amount': 0, 'index': i} for i in tx.output_indices], get_txid = True)
+ assert len(res_out.outs) == len(tx.output_indices)
+ for out in res_out.outs:
+ assert len(out.key) == 64
+ assert len(out.mask) == 64
+ assert not out.unlocked
+ assert out.height == i + 1
+ assert out.txid == txids[i + 1]
+
+ for i in range(height + nblocks - 1):
+ res_sum = daemon.get_coinbase_tx_sum(i, 1)
+ res_header = daemon.getblockheaderbyheight(i)
+ assert res_sum.emission_amount == res_header.block_header.reward
+
+ res = daemon.get_coinbase_tx_sum(0, 1)
+ assert res.emission_amount == 17592186044415
+ assert res.fee_amount == 0
+ sum_blocks = height + nblocks - 1
+ res = daemon.get_coinbase_tx_sum(0, sum_blocks)
+ extrapolated = 17592186044415 + 17592186044415 * 2 * (sum_blocks - 1)
+ assert res.emission_amount < extrapolated and res.emission_amount > extrapolated - 1e12
+ assert res.fee_amount == 0
+ sum_blocks_emission = res.emission_amount
+ res = daemon.get_coinbase_tx_sum(1, sum_blocks)
+ assert res.emission_amount == sum_blocks_emission - 17592186044415
+ assert res.fee_amount == 0
+
+ res = daemon.get_output_distribution([0, 1, 17592186044415], 0, 0)
+ assert len(res.distributions) == 3
+ for a in range(3):
+ assert res.distributions[a].amount == [0, 1, 17592186044415][a]
+ assert res.distributions[a].start_height == 0
+ assert res.distributions[a].base == 0
+ assert len(res.distributions[a].distribution) == height + nblocks - 1
+ assert res.distributions[a].binary == False
+ for i in range(height + nblocks - 1):
+ assert res.distributions[a].distribution[i] == (1 if i > 0 and a == 0 else 1 if a == 2 and i == 0 else 0)
+
+ res = daemon.get_output_histogram([], min_count = 0, max_count = 0)
+ assert len(res.histogram) == 2
+ for i in range(2):
+ assert res.histogram[i].amount in [0, 17592186044415]
+ assert res.histogram[i].total_instances in [height + nblocks - 2, 1]
+ assert res.histogram[i].unlocked_instances == 0
+ assert res.histogram[i].recent_instances == 0
+
+ def _test_alt_chains(self):
+ print('Testing alt chains')
+ daemon = Daemon()
+ res = daemon.get_alt_blocks_hashes()
+ starting_alt_blocks = res.blks_hashes if 'blks_hashes' in res else []
+ res = daemon.get_info()
+ root_block_hash = res.top_block_hash
+ height = res.height
+ prev_hash = res.top_block_hash
+ res_template = daemon.getblocktemplate('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm')
+ nonce = 0
+
+ # 5 siblings
+ alt_blocks = [None] * 5
+ for i in range(len(alt_blocks)):
+ res = daemon.generateblocks('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 1, prev_block = prev_hash, starting_nonce = nonce)
+ assert res.height == height
+ assert len(res.blocks) == 1
+ txid = res.blocks[0]
+ res = daemon.getblockheaderbyhash(txid)
+ nonce = res.block_header.nonce
+ print('mined ' + ('alt' if res.block_header.orphan_status else 'tip') + ' block ' + str(height) + ', nonce ' + str(nonce))
+ assert res.block_header.prev_hash == prev_hash
+ assert res.block_header.orphan_status == (i > 0)
+ alt_blocks[i] = txid
+ nonce += 1
+
+ print 'mining 3 on 1'
+ # three more on [1]
+ chain1 = []
+ res = daemon.generateblocks('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 3, prev_block = alt_blocks[1], starting_nonce = nonce)
+ assert res.height == height + 3
+ assert len(res.blocks) == 3
+ blk_hash = res.blocks[2]
+ res = daemon.getblockheaderbyhash(blk_hash)
+ nonce = res.block_header.nonce
+ assert not res.block_header.orphan_status
+ nonce += 1
+ chain1.append(blk_hash)
+ chain1.append(res.block_header.prev_hash)
+
+ print('Checking alt blocks match')
+ res = daemon.get_alt_blocks_hashes()
+ assert len(res.blks_hashes) == len(starting_alt_blocks) + 4
+ for txid in alt_blocks:
+ assert txid in res.blks_hashes or txid == alt_blocks[1]
+
+ print 'mining 4 on 3'
+ # 4 more on [3], the chain will reorg when we mine the 4th
+ top_block_hash = blk_hash
+ prev_block = alt_blocks[3]
+ for i in range(4):
+ res = daemon.generateblocks('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 1, prev_block = prev_block)
+ assert res.height == height + 1 + i
+ assert len(res.blocks) == 1
+ prev_block = res.blocks[-1]
+ res = daemon.getblockheaderbyhash(res.blocks[-1])
+ assert res.block_header.orphan_status == (i < 3)
+
+ res = daemon.get_info()
+ assert res.height == ((height + 4) if i < 3 else height + 5)
+ assert res.top_block_hash == (top_block_hash if i < 3 else prev_block)
+
+ res = daemon.get_info()
+ assert res.height == height + 5
+ assert res.top_block_hash == prev_block
+
+ print('Checking alt blocks match')
+ res = daemon.get_alt_blocks_hashes()
+ blks_hashes = res.blks_hashes
+ assert len(blks_hashes) == len(starting_alt_blocks) + 7
+ for txid in alt_blocks:
+ assert txid in blks_hashes or txid == alt_blocks[3]
+ for txid in chain1:
+ assert txid in blks_hashes
+
+ res = daemon.get_alternate_chains()
+ assert len(res.chains) == 4
+ tips = [chain.block_hash for chain in res.chains]
+ for txid in tips:
+ assert txid in blks_hashes
+ for chain in res.chains:
+ assert chain.length in [1, 4]
+ assert chain.length == len(chain.block_hashes)
+ assert chain.height == height + chain.length - 1 # all happen start at the same height
+ assert chain.main_chain_parent_block == root_block_hash
+ for txid in [alt_blocks[0], alt_blocks[2], alt_blocks[4]]:
+ assert len([chain for chain in res.chains if chain.block_hash == txid]) == 1
+
if __name__ == '__main__':
BlockchainTest().run_test()