protocol v0.4: use position for branching
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@ -144,7 +144,7 @@ class WalletVerifier(threading.Thread):
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def verify_merkle(self, tx_hash, result):
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tx_height = result.get('block_height')
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self.merkle_roots[tx_hash] = self.hash_merkle_root(result['merkle'], tx_hash)
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self.merkle_roots[tx_hash] = self.hash_merkle_root(result['merkle'], tx_hash, result.get('pos'))
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header = self.read_header(tx_height)
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if header:
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assert header.get('merkle_root') == self.merkle_roots[tx_hash]
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@ -239,16 +239,14 @@ class WalletVerifier(threading.Thread):
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h['nonce'] = hex_to_int(s[76:80])
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return h
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def hash_header(self, header):
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return rev_hex(Hash(self.header_to_string(header).decode('hex')).encode('hex'))
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def hash_merkle_root(self, merkle_s, target_hash):
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def hash_merkle_root(self, merkle_s, target_hash, pos):
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h = hash_decode(target_hash)
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for item in merkle_s:
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is_left = item[0] == 'L'
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h = Hash( h + hash_decode(item[1:]) ) if is_left else Hash( hash_decode(item[1:]) + h )
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for i in range(len(merkle_s)):
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item = merkle_s[i]
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h = Hash( hash_decode(item) + h ) if ((pos >> i) & 1) else Hash( h + hash_decode(item) )
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return hash_encode(h)
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def path(self):
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