def test_tc3():
raw = '000000208b04e3a08be31c35257492f18bfac10c5ead328b5a4012473ef20a903cd49850bd11c56cf26bf256e4cdd00cd21b68c37f3b71d9614e9630226f5fa09b4104c1d7a1bf5affff7f20020000000202000000010000000000000000000000000000000000000000000000000000000000000000ffffffff04016c0101ffffffff02a803062a01000000232102a2f9ed878030526366b30093c00e32934f3c04a884f2844af2883ee453f0228dac0000000000000000266a24aa21a9ede8d2abc7618be366fa6688272429dac8512666a1610a72c6a72527c4698ccafc000000000200000001a88649b2ec24cb6fa07011acb68749461d7c438e8b89ddbcea3f5bac89e3ad2b010000006b483045022100ca652e20c2a0ceae370a2c037d8bbce09498c883a7a98a541e8f9fcea294d8c902207a16331540cd8a892186926646f99220489de0a9a9713f870b1c6989cf22948c012103f9fa8e3fba8af74b6c8ba4bd530000df4cc62bf0a50aeff58b6462888f79a5cefeffffff0280d1f008000000001976a914625d8e5d40a1b797b47cb66eee958724a668d8d288acd87adfa9000000001976a914731a59d04408789756ae353eeba6eefc975bfe7688ac1f000000'
block = btc.block.block()
block.deserialize(raw)
#
# First check block header fields
#
blockHeader = block.getBlockHeader()
assert (blockHeader.getVersion() == 0x20000000)
#
# Now check transactions
#
tx = block.getTx()
assert (2 == len(tx))
#
# Re-serialize the block manually and compare. The block header
# has 80 bytes
#
_raw = raw[:2 * 80] + "02" + tx[0].serialize() + tx[1].serialize()
assert (_raw == raw)
#
# Also check the transaction hashes
#
assert (tx[0].getTxnId(byteorder="big") ==
'7a2470e0242a5dc141f3d260dd3e4c43a06bf2f827ac26d9d3686ad1949bcd66')
assert (tx[1].getTxnId(byteorder="big") ==
'b257a1ff6503d2d93fd5c8fc49c91c3cfc14f38f34788217320b32e4a30e9b40')
def test_tc7():
raw = '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'
block = btc.block.block()
block.deserialize(raw)
#
# Get the Merkle root
#
merkleRoot = block.getBlockHeader().getMerkleRoot()
#
# Update - but overwrite first so that we really know
# that we do something
#
block.getBlockHeader().merkleRoot = "ff"
block.updateMerkleRoot()
#
# this should not change anything
#
assert (block.getBlockHeader().getMerkleRoot() == merkleRoot)
def test_tc11():
raw = btc.utils.getRawBlock("00000000000080b66c911bd5ba14a74260057311eaeb1982802f7010f1a9f090")
block = btc.block.block()
block.deserialize(raw)
#
# Get the blocks Merkle Root in little endian
#
m = btc.utils.blockMerkleRoot(block)
#
# Convert to big endian to be able to compare it
#
m = btc.serialize.serializeString(m, len(m))
assert(block.getBlockHeader().getMerkleRoot() == m)
def test_tc10():
raw = '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'
block = btc.block.block()
block.deserialize(raw)
#
# Get the blocks Merkle Root in little endian
#
m = btc.utils.blockMerkleRoot(block)
#
# Convert to big endian to be able to compare it
#
m = btc.serialize.serializeString(m, len(m))
assert(block.getBlockHeader().getMerkleRoot() == m)
def test_tc2():
raw = '00000020df9e03f6f3b6089704150a0627841c9fb86adbf265fc8f31c95bb6b99e4a604c187d9b8d7dad469812834e9f4f72af649656b4179880d0102499118c7fd488d9bc69b65affff7f20030000000102000000010000000000000000000000000000000000000000000000000000000000000000ffffffff04016b0101ffffffff0200f2052a01000000232103bacc76145b9800c24b519cf659e6add26db1ea0b23806ae361f058e67d84bd04ac0000000000000000266a24aa21a9ede2f61c3f71d1defd3fa999dfa36953755c690689799962b48bebd836974e8cf900000000'
block = btc.block.block()
raw = block.deserialize(raw)
#
# First check block header fields
#
blockHeader = block.getBlockHeader()
assert (blockHeader.getVersion() == 0x20000000)
assert (blockHeader.getPrevBlockId() ==
'4c604a9eb9b65bc9318ffc65f2db6ab89f1c8427060a15049708b6f3f6039edf')
assert (blockHeader.getMerkleRoot() ==
'd988d47f8c11992410d0809817b4569664af724f9f4e83129846ad7d8d9b7d18')
assert (blockHeader.getCreationTime() == 1521904060)
assert (blockHeader.getBits() == 545259519)
assert (blockHeader.getNonce() == 3)
#
# Now check transactions
#
tx = block.getTx()
assert (1 == len(tx))