def calc_witness_merkle_root(self):
hashes = []
for tx in self.vtx:
# Calculate the hashes with witness data
hashes.append(tx.calc_witness_hash())
# returns bitcoin hash print order hex string
return calcfastmerkleroot(hashes)
def calc_witness_hash(self):
leaves = [
encode(hash256(ser_string(self.vchIssuanceAmountRangeproof))[::-1], 'hex_codec').decode('ascii'),
encode(hash256(ser_string(self.vchInflationKeysRangeproof))[::-1], 'hex_codec').decode('ascii'),
encode(hash256(ser_string_vector(self.scriptWitness.stack))[::-1], 'hex_codec').decode('ascii'),
encode(hash256(ser_string_vector(self.peginWitness.stack))[::-1], 'hex_codec').decode('ascii')
]
return calcfastmerkleroot(leaves)
def calc_witness_hash(self):
leaves = []
for i in range(len(self.vin)):
if i >= len(self.wit.vtxinwit) or self.vin[i].prevout.isNull():
wit = CTxInWitness()
else:
wit = self.wit.vtxinwit[i]
leaves.append(wit.calc_witness_hash())
inwitroot = calcfastmerkleroot(leaves)
leaves = []
for i in range(len(self.vout)):
wit = self.wit.vtxoutwit[i] if i < len(self.wit.vtxoutwit) else CTxOutWitness()
leaves.append(wit.calc_witness_hash())
outwitroot = calcfastmerkleroot(leaves)
# returns bitcoin hash print style string
return calcfastmerkleroot([inwitroot, outwitroot])
def run_test(self):
util.node_fastmerkle = self.nodes[0]
test_leaves = ["b66b041650db0f297b53f8d93c0e8706925bf3323f8c59c14a6fac37bfdcd06f", "99cb2fa68b2294ae133550a9f765fc755d71baa7b24389fed67d1ef3e5cb0255", "257e1b2fa49dd15724c67bac4df7911d44f6689860aa9f65a881ae0a2f40a303", "b67b0b9f093fa83d5e44b707ab962502b7ac58630e556951136196e65483bb80"]
test_roots = ["0000000000000000000000000000000000000000000000000000000000000000", "b66b041650db0f297b53f8d93c0e8706925bf3323f8c59c14a6fac37bfdcd06f", "f752938da0cb71c051aabdd5a86658e8d0b7ac00e1c2074202d8d2a79d8a6cf6", "245d364a28e9ad20d522c4a25ffc6a7369ab182f884e1c7dcd01aa3d32896bd3", "317d6498574b6ca75ee0368ec3faec75e096e245bdd5f36e8726fa693f775dfc"]
leaves = []
for i in range(4):
root = calcfastmerkleroot(leaves)
assert_equal(root, test_roots[i])
leaves.append(test_leaves[i])
def run_test(self):
util.node_fastmerkle = self.nodes[0]
test_leaves = [
"b66b041650db0f297b53f8d93c0e8706925bf3323f8c59c14a6fac37bfdcd06f",
"99cb2fa68b2294ae133550a9f765fc755d71baa7b24389fed67d1ef3e5cb0255",
"257e1b2fa49dd15724c67bac4df7911d44f6689860aa9f65a881ae0a2f40a303",
"b67b0b9f093fa83d5e44b707ab962502b7ac58630e556951136196e65483bb80"
]
test_roots = [
"0000000000000000000000000000000000000000000000000000000000000000",
"b66b041650db0f297b53f8d93c0e8706925bf3323f8c59c14a6fac37bfdcd06f",
"f752938da0cb71c051aabdd5a86658e8d0b7ac00e1c2074202d8d2a79d8a6cf6",
"245d364a28e9ad20d522c4a25ffc6a7369ab182f884e1c7dcd01aa3d32896bd3",
"317d6498574b6ca75ee0368ec3faec75e096e245bdd5f36e8726fa693f775dfc"
]
leaves = []
for i in range(4):
root = calcfastmerkleroot(leaves)
assert_equal(root, test_roots[i])
leaves.append(test_leaves[i])
def calc_witness_hash(self):
leaves = [
encode(hash256(ser_string(self.vchSurjectionproof))[::-1], 'hex_codec').decode('ascii'),
encode(hash256(ser_string(self.vchRangeproof))[::-1], 'hex_codec').decode('ascii')
]
return calcfastmerkleroot(leaves)