scripted-diff: test: Use py3.5 bytes::hex() method

-BEGIN VERIFY SCRIPT-
sed -i -e "s/def bytes_to_hex_str/def b_2_x/g" $(git grep -l bytes_to_hex_str)

export RE_B_0="[^()]*"                          # match no bracket
export RE_B_1="${RE_B_0}\(${RE_B_0}\)${RE_B_0}" # match exactly one ()
export RE_B_2="${RE_B_0}\(${RE_B_1}\)${RE_B_0}" # match wrapped (())

export RE_M="(b2x|bytes_to_hex_str)\(((${RE_B_0}|${RE_B_1}|${RE_B_2})*)\)"

sed -i --regexp-extended -e "s/${RE_M}/\2.hex()/g"      $(git grep -l -E '(b2x|bytes_to_hex_str)')

sed -i --regexp-extended -e "/  +bytes_to_hex_str( as b2x)?,/d"    $(git grep -l bytes_to_hex_str)
sed -i --regexp-extended -e "s/ +bytes_to_hex_str( as b2x)?,//g"   $(git grep -l bytes_to_hex_str)
sed -i --regexp-extended -e "s/, bytes_to_hex_str( as b2x)?//g"    $(git grep -l bytes_to_hex_str)

export RE_M="(binascii\.)?hexlify\(((${RE_B_0}|${RE_B_1}|${RE_B_2})*)\).decode\(${RE_B_0}\)"

sed -i --regexp-extended -e "s/${RE_M}/\2.hex()/g" $(git grep -l hexlify -- ':(exclude)share')

sed -i --regexp-extended -e  "/from binascii import hexlify$/d" $(git grep -l hexlify -- ':(exclude)share')
sed -i --regexp-extended -e "s/(from binascii import) .*hexlify/\1 unhexlify/g" $(git grep -l hexlify -- ':(exclude)share')

sed -i -e 's/ignore-names "/ignore-names "b_2_x,/g' ./test/lint/lint-python-dead-code.sh
-END VERIFY SCRIPT-

test/functional/rpc_signrawtransaction.py

@@ -5,7 +5,7 @@
 """Test transaction signing using the signrawtransaction* RPCs."""
 
 from test_framework.test_framework import BitcoinTestFramework
-from test_framework.util import assert_equal, assert_raises_rpc_error, bytes_to_hex_str, hex_str_to_bytes
+from test_framework.util import assert_equal, assert_raises_rpc_error, hex_str_to_bytes
 from test_framework.messages import sha256
 from test_framework.script import CScript, OP_0
 
@@ -161,7 +161,7 @@ class SignRawTransactionsTest(BitcoinTestFramework):
         unspent_output = self.nodes[1].listunspent(0, 999999, [p2sh_p2wsh_address["address"]])[0]
         assert_equal(unspent_output["witnessScript"], p2sh_p2wsh_address["redeemScript"])
         p2sh_redeemScript = CScript([OP_0, sha256(hex_str_to_bytes(p2sh_p2wsh_address["redeemScript"]))])
-        assert_equal(unspent_output["redeemScript"], bytes_to_hex_str(p2sh_redeemScript))
+        assert_equal(unspent_output["redeemScript"], p2sh_redeemScript.hex())
         # Now create and sign a transaction spending that output on node[0], which doesn't know the scripts or keys
         spending_tx = self.nodes[0].createrawtransaction([unspent_output], {self.nodes[1].getnewaddress(): Decimal("49.998")})
         spending_tx_signed = self.nodes[0].signrawtransactionwithkey(spending_tx, [embedded_privkey], [unspent_output])