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      132223 : std::string ScriptErrorString(const ScriptError serror)
      11             : {
      12      132223 :     switch (serror)
      13             :     {
      14             :         case SCRIPT_ERR_OK:
      15       67713 :             return "No error";
      16             :         case SCRIPT_ERR_EVAL_FALSE:
      17          37 :             return "Script evaluated without error but finished with a false/empty top stack element";
      18             :         case SCRIPT_ERR_VERIFY:
      19           1 :             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           2 :             return "Script failed an OP_CHECKMULTISIGVERIFY operation";
      24             :         case SCRIPT_ERR_CHECKSIGVERIFY:
      25           7 :             return "Script failed an OP_CHECKSIGVERIFY operation";
      26             :         case SCRIPT_ERR_NUMEQUALVERIFY:
      27           0 :             return "Script failed an OP_NUMEQUALVERIFY operation";
      28             :         case SCRIPT_ERR_SCRIPT_SIZE:
      29           0 :             return "Script is too big";
      30             :         case SCRIPT_ERR_PUSH_SIZE:
      31           1 :             return "Push value size limit exceeded";
      32             :         case SCRIPT_ERR_OP_COUNT:
      33           0 :             return "Operation limit exceeded";
      34             :         case SCRIPT_ERR_STACK_SIZE:
      35           0 :             return "Stack size limit exceeded";
      36             :         case SCRIPT_ERR_SIG_COUNT:
      37           0 :             return "Signature count negative or greater than pubkey count";
      38             :         case SCRIPT_ERR_PUBKEY_COUNT:
      39           0 :             return "Pubkey count negative or limit exceeded";
      40             :         case SCRIPT_ERR_BAD_OPCODE:
      41           2 :             return "Opcode missing or not understood";
      42             :         case SCRIPT_ERR_DISABLED_OPCODE:
      43          30 :             return "Attempted to use a disabled opcode";
      44             :         case SCRIPT_ERR_INVALID_STACK_OPERATION:
      45       16405 :             return "Operation not valid with the current stack size";
      46             :         case SCRIPT_ERR_INVALID_ALTSTACK_OPERATION:
      47           0 :             return "Operation not valid with the current altstack size";
      48             :         case SCRIPT_ERR_OP_RETURN:
      49           0 :             return "OP_RETURN was encountered";
      50             :         case SCRIPT_ERR_UNBALANCED_CONDITIONAL:
      51          12 :             return "Invalid OP_IF construction";
      52             :         case SCRIPT_ERR_NEGATIVE_LOCKTIME:
      53          10 :             return "Negative locktime";
      54             :         case SCRIPT_ERR_UNSATISFIED_LOCKTIME:
      55       16500 :             return "Locktime requirement not satisfied";
      56             :         case SCRIPT_ERR_SIG_HASHTYPE:
      57           0 :             return "Signature hash type missing or not understood";
      58             :         case SCRIPT_ERR_SIG_DER:
      59       16134 :             return "Non-canonical DER signature";
      60             :         case SCRIPT_ERR_MINIMALDATA:
      61           0 :             return "Data push larger than necessary";
      62             :         case SCRIPT_ERR_SIG_PUSHONLY:
      63           0 :             return "Only push operators allowed in signatures";
      64             :         case SCRIPT_ERR_SIG_HIGH_S:
      65           0 :             return "Non-canonical signature: S value is unnecessarily high";
      66             :         case SCRIPT_ERR_SIG_NULLDUMMY:
      67           8 :             return "Dummy CHECKMULTISIG argument must be zero";
      68             :         case SCRIPT_ERR_MINIMALIF:
      69           0 :             return "OP_IF/NOTIF argument must be minimal";
      70             :         case SCRIPT_ERR_SIG_NULLFAIL:
      71           0 :             return "Signature must be zero for failed CHECK(MULTI)SIG operation";
      72             :         case SCRIPT_ERR_DISCOURAGE_UPGRADABLE_NOPS:
      73           0 :             return "NOPx reserved for soft-fork upgrades";
      74             :         case SCRIPT_ERR_DISCOURAGE_UPGRADABLE_WITNESS_PROGRAM:
      75           3 :             return "Witness version reserved for soft-fork upgrades";
      76             :         case SCRIPT_ERR_PUBKEYTYPE:
      77           0 :             return "Public key is neither compressed or uncompressed";
      78             :         case SCRIPT_ERR_CLEANSTACK:
      79           2 :             return "Extra items left on stack after execution";
      80             :         case SCRIPT_ERR_WITNESS_PROGRAM_WRONG_LENGTH:
      81           2 :             return "Witness program has incorrect length";
      82             :         case SCRIPT_ERR_WITNESS_PROGRAM_WITNESS_EMPTY:
      83          12 :             return "Witness program was passed an empty witness";
      84             :         case SCRIPT_ERR_WITNESS_PROGRAM_MISMATCH:
      85       15321 :             return "Witness program hash mismatch";
      86             :         case SCRIPT_ERR_WITNESS_MALLEATED:
      87           1 :             return "Witness requires empty scriptSig";
      88             :         case SCRIPT_ERR_WITNESS_MALLEATED_P2SH:
      89           0 :             return "Witness requires only-redeemscript scriptSig";
      90             :         case SCRIPT_ERR_WITNESS_UNEXPECTED:
      91           2 :             return "Witness provided for non-witness script";
      92             :         case SCRIPT_ERR_WITNESS_PUBKEYTYPE:
      93           3 :             return "Using non-compressed keys in segwit";
      94             :         case SCRIPT_ERR_OP_CODESEPARATOR:
      95           7 :             return "Using OP_CODESEPARATOR in non-witness script";
      96             :         case SCRIPT_ERR_SIG_FINDANDDELETE:
      97           5 :             return "Signature is found in scriptCode";
      98             :         case SCRIPT_ERR_UNKNOWN_ERROR:
      99             :         case SCRIPT_ERR_ERROR_COUNT:
     100             :         default: break;
     101             :     }
     102           2 :     return "unknown error";
     103      132223 : }