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Merge #10229: Tests: Add test for getdifficulty

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821dd5e Tests: Add test for getdifficulty (Jimmy Song)

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This commit is contained in:
Wladimir J. van der Laan 2017-04-21 17:12:12 +02:00
commit f3db4c6013
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1 changed files with 13 additions and 1 deletions
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14
test/functional/blockchain.py
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@ -6,6 +6,10 @@
Test the following RPCs: Test the following RPCs:
- gettxoutsetinfo - gettxoutsetinfo
- getdifficulty
- getbestblockhash
- getblockhash
- getblockheader
- verifychain - verifychain
Tests correspond to code in rpc/blockchain.cpp. Tests correspond to code in rpc/blockchain.cpp.
@ -40,6 +44,7 @@ class BlockchainTest(BitcoinTestFramework):
def run_test(self): def run_test(self):
self._test_gettxoutsetinfo() self._test_gettxoutsetinfo()
self._test_getblockheader() self._test_getblockheader()
self._test_getdifficulty()
self.nodes[0].verifychain(4, 0) self.nodes[0].verifychain(4, 0)
def _test_gettxoutsetinfo(self): def _test_gettxoutsetinfo(self):
@ -57,7 +62,8 @@ class BlockchainTest(BitcoinTestFramework):
def _test_getblockheader(self): def _test_getblockheader(self):
node = self.nodes[0] node = self.nodes[0]
assert_raises_jsonrpc(-5, "Block not found", node.getblockheader, "nonsense") assert_raises_jsonrpc(-5, "Block not found",
node.getblockheader, "nonsense")
besthash = node.getbestblockhash() besthash = node.getbestblockhash()
secondbesthash = node.getblockhash(199) secondbesthash = node.getblockhash(199)
@ -79,5 +85,11 @@ class BlockchainTest(BitcoinTestFramework):
assert isinstance(int(header['versionHex'], 16), int) assert isinstance(int(header['versionHex'], 16), int)
assert isinstance(header['difficulty'], Decimal) 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
if __name__ == '__main__': if __name__ == '__main__':
BlockchainTest().main() BlockchainTest().main()