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@ -224,7 +224,10 @@ class BlockchainTest():
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def _test_alt_chains(self):
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print('Testing alt chains')
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daemon = Daemon()
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res = daemon.get_alt_blocks_hashes()
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starting_alt_blocks = res.blks_hashes if 'blks_hashes' in res else []
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res = daemon.get_info()
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root_block_hash = res.top_block_hash
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height = res.height
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prev_hash = res.top_block_hash
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res_template = daemon.getblocktemplate('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm')
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@ -247,15 +250,23 @@ class BlockchainTest():
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print 'mining 3 on 1'
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# three more on [1]
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chain1 = []
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res = daemon.generateblocks('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 3, prev_block = alt_blocks[1], starting_nonce = nonce)
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assert res.height == height + 3
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assert len(res.blocks) == 3
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blk_hash = res.blocks[2]
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res = daemon.getblockheaderbyhash(blk_hash)
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nonce = res.block_header.nonce
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print('mined 3 blocks to height ' + str(height + 3))
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assert not res.block_header.orphan_status
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nonce += 1
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chain1.append(blk_hash)
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chain1.append(res.block_header.prev_hash)
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print('Checking alt blocks match')
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res = daemon.get_alt_blocks_hashes()
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assert len(res.blks_hashes) == len(starting_alt_blocks) + 4
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for txid in alt_blocks:
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assert txid in res.blks_hashes or txid == alt_blocks[1]
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print 'mining 4 on 3'
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# 4 more on [3], the chain will reorg when we mine the 4th
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@ -277,6 +288,28 @@ class BlockchainTest():
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assert res.height == height + 5
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assert res.top_block_hash == prev_block
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print('Checking alt blocks match')
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res = daemon.get_alt_blocks_hashes()
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blks_hashes = res.blks_hashes
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assert len(blks_hashes) == len(starting_alt_blocks) + 7
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for txid in alt_blocks:
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assert txid in blks_hashes or txid == alt_blocks[3]
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for txid in chain1:
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assert txid in blks_hashes
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res = daemon.get_alternate_chains()
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assert len(res.chains) == 4
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tips = [chain.block_hash for chain in res.chains]
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for txid in tips:
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assert txid in blks_hashes
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for chain in res.chains:
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assert chain.length in [1, 4]
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assert chain.length == len(chain.block_hashes)
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assert chain.height == height + chain.length - 1 # all happen start at the same height
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assert chain.main_chain_parent_block == root_block_hash
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for txid in [alt_blocks[0], alt_blocks[2], alt_blocks[4]]:
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assert len([chain for chain in res.chains if chain.block_hash == txid]) == 1
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if __name__ == '__main__':
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BlockchainTest().run_test()
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