Coverage Report

Created: 2026-05-06 07:53

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/tmp/bitcoin/src/script/script_error.cpp
Line
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Source
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// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-present The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <script/script_error.h>
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#include <string>
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std::string ScriptErrorString(const ScriptError serror)
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137k
{
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137k
    switch (serror)
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137k
    {
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75.2k
        case SCRIPT_ERR_OK:
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75.2k
            return "No error";
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460
        case SCRIPT_ERR_EVAL_FALSE:
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460
            return "Script evaluated without error but finished with a false/empty top stack element";
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26
        case SCRIPT_ERR_VERIFY:
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26
            return "Script failed an OP_VERIFY operation";
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1
        case SCRIPT_ERR_EQUALVERIFY:
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1
            return "Script failed an OP_EQUALVERIFY operation";
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45
        case SCRIPT_ERR_CHECKMULTISIGVERIFY:
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45
            return "Script failed an OP_CHECKMULTISIGVERIFY operation";
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183
        case SCRIPT_ERR_CHECKSIGVERIFY:
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183
            return "Script failed an OP_CHECKSIGVERIFY operation";
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0
        case SCRIPT_ERR_NUMEQUALVERIFY:
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0
            return "Script failed an OP_NUMEQUALVERIFY operation";
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2
        case SCRIPT_ERR_SCRIPT_SIZE:
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2
            return "Script is too big";
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324
        case SCRIPT_ERR_PUSH_SIZE:
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324
            return "Push value size limit exceeded";
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0
        case SCRIPT_ERR_OP_COUNT:
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0
            return "Operation limit exceeded";
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559
        case SCRIPT_ERR_STACK_SIZE:
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559
            return "Stack size limit exceeded";
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0
        case SCRIPT_ERR_SIG_COUNT:
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0
            return "Signature count negative or greater than pubkey count";
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0
        case SCRIPT_ERR_PUBKEY_COUNT:
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0
            return "Pubkey count negative or limit exceeded";
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427
        case SCRIPT_ERR_BAD_OPCODE:
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427
            return "Opcode missing or not understood";
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45
        case SCRIPT_ERR_DISABLED_OPCODE:
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45
            return "Attempted to use a disabled opcode";
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9.02k
        case SCRIPT_ERR_INVALID_STACK_OPERATION:
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9.02k
            return "Operation not valid with the current stack size";
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0
        case SCRIPT_ERR_INVALID_ALTSTACK_OPERATION:
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0
            return "Operation not valid with the current altstack size";
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482
        case SCRIPT_ERR_OP_RETURN:
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482
            return "OP_RETURN was encountered";
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46
        case SCRIPT_ERR_UNBALANCED_CONDITIONAL:
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46
            return "Invalid OP_IF construction";
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209
        case SCRIPT_ERR_NEGATIVE_LOCKTIME:
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209
            return "Negative locktime";
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11.2k
        case SCRIPT_ERR_UNSATISFIED_LOCKTIME:
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11.2k
            return "Locktime requirement not satisfied";
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46
        case SCRIPT_ERR_SIG_HASHTYPE:
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46
            return "Signature hash type missing or not understood";
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8.92k
        case SCRIPT_ERR_SIG_DER:
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8.92k
            return "Non-canonical DER signature";
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19
        case SCRIPT_ERR_MINIMALDATA:
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19
            return "Data push larger than necessary";
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115
        case SCRIPT_ERR_SIG_PUSHONLY:
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115
            return "Only push operators allowed in signatures";
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91
        case SCRIPT_ERR_SIG_HIGH_S:
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            return "Non-canonical signature: S value is unnecessarily high";
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        case SCRIPT_ERR_SIG_NULLDUMMY:
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            return "Dummy CHECKMULTISIG argument must be zero";
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0
        case SCRIPT_ERR_MINIMALIF:
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0
            return "OP_IF/NOTIF argument must be minimal";
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144
        case SCRIPT_ERR_SIG_NULLFAIL:
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144
            return "Signature must be zero for failed CHECK(MULTI)SIG operation";
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0
        case SCRIPT_ERR_DISCOURAGE_UPGRADABLE_NOPS:
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0
            return "NOPx reserved for soft-fork upgrades";
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150
        case SCRIPT_ERR_DISCOURAGE_UPGRADABLE_WITNESS_PROGRAM:
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150
            return "Witness version reserved for soft-fork upgrades";
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401
        case SCRIPT_ERR_DISCOURAGE_UPGRADABLE_TAPROOT_VERSION:
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401
            return "Taproot version reserved for soft-fork upgrades";
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442
        case SCRIPT_ERR_DISCOURAGE_OP_SUCCESS:
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442
            return "OP_SUCCESSx reserved for soft-fork upgrades";
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3
        case SCRIPT_ERR_DISCOURAGE_UPGRADABLE_PUBKEYTYPE:
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3
            return "Public key version reserved for soft-fork upgrades";
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2
        case SCRIPT_ERR_PUBKEYTYPE:
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2
            return "Public key is neither compressed or uncompressed";
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550
        case SCRIPT_ERR_CLEANSTACK:
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550
            return "Stack size must be exactly one after execution";
86
86
        case SCRIPT_ERR_WITNESS_PROGRAM_WRONG_LENGTH:
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            return "Witness program has incorrect length";
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2.51k
        case SCRIPT_ERR_WITNESS_PROGRAM_WITNESS_EMPTY:
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2.51k
            return "Witness program was passed an empty witness";
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24.0k
        case SCRIPT_ERR_WITNESS_PROGRAM_MISMATCH:
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24.0k
            return "Witness program hash mismatch";
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46
        case SCRIPT_ERR_WITNESS_MALLEATED:
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46
            return "Witness requires empty scriptSig";
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0
        case SCRIPT_ERR_WITNESS_MALLEATED_P2SH:
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0
            return "Witness requires only-redeemscript scriptSig";
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5
        case SCRIPT_ERR_WITNESS_UNEXPECTED:
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5
            return "Witness provided for non-witness script";
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14
        case SCRIPT_ERR_WITNESS_PUBKEYTYPE:
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14
            return "Using non-compressed keys in segwit";
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26
        case SCRIPT_ERR_SCHNORR_SIG_SIZE:
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26
            return "Invalid Schnorr signature size";
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633
        case SCRIPT_ERR_SCHNORR_SIG_HASHTYPE:
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633
            return "Invalid Schnorr signature hash type";
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87
        case SCRIPT_ERR_SCHNORR_SIG:
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87
            return "Invalid Schnorr signature";
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8
        case SCRIPT_ERR_TAPROOT_WRONG_CONTROL_SIZE:
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8
            return "Invalid Taproot control block size";
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50
        case SCRIPT_ERR_TAPSCRIPT_VALIDATION_WEIGHT:
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50
            return "Too much signature validation relative to witness weight";
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2
        case SCRIPT_ERR_TAPSCRIPT_CHECKMULTISIG:
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2
            return "OP_CHECKMULTISIG(VERIFY) is not available in tapscript";
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5
        case SCRIPT_ERR_TAPSCRIPT_MINIMALIF:
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5
            return "OP_IF/NOTIF argument must be minimal in tapscript";
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11
        case SCRIPT_ERR_TAPSCRIPT_EMPTY_PUBKEY:
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11
            return "Empty public key in tapscript";
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316
        case SCRIPT_ERR_OP_CODESEPARATOR:
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316
            return "Using OP_CODESEPARATOR in non-witness script";
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215
        case SCRIPT_ERR_SIG_FINDANDDELETE:
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215
            return "Signature is found in scriptCode";
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90
        case SCRIPT_ERR_SCRIPTNUM:
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90
            return "Script number overflowed or is non-minimally encoded";
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0
        case SCRIPT_ERR_UNKNOWN_ERROR:
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0
        case SCRIPT_ERR_ERROR_COUNT:
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0
            break;
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137k
    } // no default case, so the compiler can warn about missing cases
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0
    return "unknown error";
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137k
}