Line data    Source code

       1             : // Copyright (c) 2009-2010 Satoshi Nakamoto
       2             : // Copyright (c) 2009-2020 The Bitcoin Core developers
       3             : // Distributed under the MIT software license, see the accompanying
       4             : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
       5             : 
       6             : #include <script/script_error.h>
       7             : 
       8             : #include <string>
       9             : 
      10       98247 : std::string ScriptErrorString(const ScriptError serror)
      11             : {
      12       98247 :     switch (serror)
      13             :     {
      14             :         case SCRIPT_ERR_OK:
      15       69995 :             return "No error";
      16             :         case SCRIPT_ERR_EVAL_FALSE:
      17          74 :             return "Script evaluated without error but finished with a false/empty top stack element";
      18             :         case SCRIPT_ERR_VERIFY:
      19          18 :             return "Script failed an OP_VERIFY operation";
      20             :         case SCRIPT_ERR_EQUALVERIFY:
      21           1 :             return "Script failed an OP_EQUALVERIFY operation";
      22             :         case SCRIPT_ERR_CHECKMULTISIGVERIFY:
      23           0 :             return "Script failed an OP_CHECKMULTISIGVERIFY operation";
      24             :         case SCRIPT_ERR_CHECKSIGVERIFY:
      25         120 :             return "Script failed an OP_CHECKSIGVERIFY operation";
      26             :         case SCRIPT_ERR_CHECKDATASIGVERIFY:
      27           0 :             return "Script failed an OP_CHECKDATASIGVERIFY operation";
      28             :         case SCRIPT_ERR_NUMEQUALVERIFY:
      29           0 :             return "Script failed an OP_NUMEQUALVERIFY operation";
      30             :         case SCRIPT_ERR_SCRIPT_SIZE:
      31           0 :             return "Script is too big";
      32             :         case SCRIPT_ERR_PUSH_SIZE:
      33           0 :             return "Push value size limit exceeded";
      34             :         case SCRIPT_ERR_OP_COUNT:
      35           0 :             return "Operation limit exceeded";
      36             :         case SCRIPT_ERR_STACK_SIZE:
      37           0 :             return "Stack size limit exceeded";
      38             :         case SCRIPT_ERR_SIG_COUNT:
      39           0 :             return "Signature count negative or greater than pubkey count";
      40             :         case SCRIPT_ERR_PUBKEY_COUNT:
      41           0 :             return "Pubkey count negative or limit exceeded";
      42             :         case SCRIPT_ERR_BAD_OPCODE:
      43           1 :             return "Opcode missing or not understood";
      44             :         case SCRIPT_ERR_DISABLED_OPCODE:
      45           0 :             return "Attempted to use a disabled opcode";
      46             :         case SCRIPT_ERR_INVALID_STACK_OPERATION:
      47        7698 :             return "Operation not valid with the current stack size";
      48             :         case SCRIPT_ERR_INVALID_ALTSTACK_OPERATION:
      49           0 :             return "Operation not valid with the current altstack size";
      50             :         case SCRIPT_ERR_OP_RETURN:
      51           0 :             return "OP_RETURN was encountered";
      52             :         case SCRIPT_ERR_UNBALANCED_CONDITIONAL:
      53          31 :             return "Invalid OP_IF construction";
      54             :         case SCRIPT_ERR_INVALID_SPLIT_RANGE:
      55           0 :             return "Invalid OP_SPLIT range";
      56             :         case SCRIPT_ERR_INVALID_OPERAND_SIZE:
      57           0 :             return "Invalid operand size";
      58             :         case SCRIPT_ERR_INVALID_NUMBER_RANGE:
      59           0 :             return "Given operand is not a number within the valid range "
      60             :                    "[-2^31...2^31]";
      61             :         case SCRIPT_ERR_IMPOSSIBLE_ENCODING:
      62           0 :             return "The requested encoding is impossible to satisfy";
      63             :         case SCRIPT_ERR_DIV_BY_ZERO:
      64           0 :             return "Division by zero error";
      65             :         case SCRIPT_ERR_MOD_BY_ZERO:
      66           0 :             return "Modulo by zero error";
      67             :         case SCRIPT_ERR_NEGATIVE_LOCKTIME:
      68         133 :             return "Negative locktime";
      69             :         case SCRIPT_ERR_UNSATISFIED_LOCKTIME:
      70       10816 :             return "Locktime requirement not satisfied";
      71             :         case SCRIPT_ERR_SIG_HASHTYPE:
      72           0 :             return "Signature hash type missing or not understood";
      73             :         case SCRIPT_ERR_SIG_DER:
      74        8871 :             return "Non-canonical DER signature";
      75             :         case SCRIPT_ERR_MINIMALDATA:
      76           8 :             return "Data push larger than necessary";
      77             :         case SCRIPT_ERR_SIG_PUSHONLY:
      78          70 :             return "Only push operators allowed in signatures";
      79             :         case SCRIPT_ERR_SIG_HIGH_S:
      80          30 :             return "Non-canonical signature: S value is unnecessarily high";
      81             :         case SCRIPT_ERR_SIG_NULLDUMMY:
      82          40 :             return "Dummy CHECKMULTISIG argument must be zero";
      83             :         case SCRIPT_ERR_SIG_NULLFAIL:
      84           0 :             return "Signature must be zero for failed CHECK(MULTI)SIG operation";
      85             :         case SCRIPT_ERR_DISCOURAGE_UPGRADABLE_NOPS:
      86           0 :             return "NOPx reserved for soft-fork upgrades";
      87             :         case SCRIPT_ERR_PUBKEYTYPE:
      88           0 :             return "Public key is neither compressed or uncompressed";
      89             :         case SCRIPT_ERR_CLEANSTACK:
      90           0 :             return "Stack size must be exactly one after execution";
      91             :         case SCRIPT_ERR_OP_CODESEPARATOR:
      92         175 :             return "Using OP_CODESEPARATOR";
      93             :         case SCRIPT_ERR_SIG_FINDANDDELETE:
      94         112 :             return "Signature is found in scriptCode";
      95             :         case SCRIPT_ERR_UNKNOWN_ERROR:
      96          54 :         case SCRIPT_ERR_ERROR_COUNT:
      97          54 :         default: break;
      98             :     }
      99          54 :     return "unknown error";
     100       98247 : }