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Replace MAX_OPCODE for OP_NOP10.

That OP_NOP10 is the last executable opcode is a bit of a obscure trivia, and the MAX_OPCODE constant already exists. This merely standardizes use of MAX_OPCODE over OP_NOP10 where it makes sense and is more clear.
0.15
Mark Friedenbach 7 years ago
parent
commit
c8e29d7ff0
  1. 2
      src/core_read.cpp
  2. 6
      src/test/data/script_tests.json

2
src/core_read.cpp

@ -27,7 +27,7 @@ CScript ParseScript(const std::string& s) @@ -27,7 +27,7 @@ CScript ParseScript(const std::string& s)
if (mapOpNames.empty())
{
for (int op = 0; op <= OP_NOP10; op++)
for (int op = 0; op <= MAX_OPCODE; op++)
{
// Allow OP_RESERVED to get into mapOpNames
if (op < OP_NOP && op != OP_RESERVED)

6
src/test/data/script_tests.json

@ -240,7 +240,7 @@ @@ -240,7 +240,7 @@
["0", "IF NOP10 ENDIF 1", "P2SH,STRICTENC,DISCOURAGE_UPGRADABLE_NOPS", "OK",
"Discouraged NOPs are allowed if not executed"],
["0", "IF 0xba ELSE 1 ENDIF", "P2SH,STRICTENC", "OK", "opcodes above NOP10 invalid if executed"],
["0", "IF 0xba ELSE 1 ENDIF", "P2SH,STRICTENC", "OK", "opcodes above MAX_OPCODE invalid if executed"],
["0", "IF 0xbb ELSE 1 ENDIF", "P2SH,STRICTENC", "OK"],
["0", "IF 0xbc ELSE 1 ENDIF", "P2SH,STRICTENC", "OK"],
["0", "IF 0xbd ELSE 1 ENDIF", "P2SH,STRICTENC", "OK"],
@ -878,7 +878,7 @@ @@ -878,7 +878,7 @@
"P2SH,DISCOURAGE_UPGRADABLE_NOPS", "DISCOURAGE_UPGRADABLE_NOPS", "Discouraged NOP10 in redeemScript"],
["0x50","1", "P2SH,STRICTENC", "BAD_OPCODE", "opcode 0x50 is reserved"],
["1", "IF 0xba ELSE 1 ENDIF", "P2SH,STRICTENC", "BAD_OPCODE", "opcodes above NOP10 invalid if executed"],
["1", "IF 0xba ELSE 1 ENDIF", "P2SH,STRICTENC", "BAD_OPCODE", "opcodes above MAX_OPCODE invalid if executed"],
["1", "IF 0xbb ELSE 1 ENDIF", "P2SH,STRICTENC", "BAD_OPCODE"],
["1", "IF 0xbc ELSE 1 ENDIF", "P2SH,STRICTENC", "BAD_OPCODE"],
["1", "IF 0xbd ELSE 1 ENDIF", "P2SH,STRICTENC", "BAD_OPCODE"],
@ -1001,7 +1001,7 @@ @@ -1001,7 +1001,7 @@
["1","RESERVED", "P2SH,STRICTENC", "BAD_OPCODE", "OP_RESERVED is reserved"],
["1","RESERVED1", "P2SH,STRICTENC", "BAD_OPCODE", "OP_RESERVED1 is reserved"],
["1","RESERVED2", "P2SH,STRICTENC", "BAD_OPCODE", "OP_RESERVED2 is reserved"],
["1","0xba", "P2SH,STRICTENC", "BAD_OPCODE", "0xba == OP_NOP10 + 1"],
["1","0xba", "P2SH,STRICTENC", "BAD_OPCODE", "0xba == MAX_OPCODE + 1"],
["2147483648", "1ADD 1", "P2SH,STRICTENC", "UNKNOWN_ERROR", "We cannot do math on 5-byte integers"],
["2147483648", "NEGATE 1", "P2SH,STRICTENC", "UNKNOWN_ERROR", "We cannot do math on 5-byte integers"],

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