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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2020 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <script/script_error.h>
#include <string>
std::string ScriptErrorString(const ScriptError serror)
{
switch (serror)
{
case SCRIPT_ERR_OK:
return "No error";
case SCRIPT_ERR_EVAL_FALSE:
return "Script evaluated without error but finished with a false/empty top stack element";
case SCRIPT_ERR_VERIFY:
return "Script failed an OP_VERIFY operation";
case SCRIPT_ERR_EQUALVERIFY:
return "Script failed an OP_EQUALVERIFY operation";
case SCRIPT_ERR_CHECKMULTISIGVERIFY:
return "Script failed an OP_CHECKMULTISIGVERIFY operation";
case SCRIPT_ERR_CHECKSIGVERIFY:
return "Script failed an OP_CHECKSIGVERIFY operation";
case SCRIPT_ERR_NUMEQUALVERIFY:
return "Script failed an OP_NUMEQUALVERIFY operation";
case SCRIPT_ERR_SCRIPT_SIZE:
return "Script is too big";
case SCRIPT_ERR_PUSH_SIZE:
return "Push value size limit exceeded";
case SCRIPT_ERR_OP_COUNT:
return "Operation limit exceeded";
case SCRIPT_ERR_STACK_SIZE:
return "Stack size limit exceeded";
case SCRIPT_ERR_SIG_COUNT:
return "Signature count negative or greater than pubkey count";
case SCRIPT_ERR_PUBKEY_COUNT:
return "Pubkey count negative or limit exceeded";
case SCRIPT_ERR_BAD_OPCODE:
return "Opcode missing or not understood";
case SCRIPT_ERR_DISABLED_OPCODE:
return "Attempted to use a disabled opcode";
case SCRIPT_ERR_INVALID_STACK_OPERATION:
return "Operation not valid with the current stack size";
case SCRIPT_ERR_INVALID_ALTSTACK_OPERATION:
return "Operation not valid with the current altstack size";
case SCRIPT_ERR_OP_RETURN:
return "OP_RETURN was encountered";
case SCRIPT_ERR_UNBALANCED_CONDITIONAL:
return "Invalid OP_IF construction";
case SCRIPT_ERR_NEGATIVE_LOCKTIME:
return "Negative locktime";
case SCRIPT_ERR_UNSATISFIED_LOCKTIME:
return "Locktime requirement not satisfied";
case SCRIPT_ERR_SIG_HASHTYPE:
return "Signature hash type missing or not understood";
case SCRIPT_ERR_SIG_DER:
return "Non-canonical DER signature";
case SCRIPT_ERR_MINIMALDATA:
return "Data push larger than necessary";
case SCRIPT_ERR_SIG_PUSHONLY:
return "Only push operators allowed in signatures";
case SCRIPT_ERR_SIG_HIGH_S:
return "Non-canonical signature: S value is unnecessarily high";
case SCRIPT_ERR_SIG_NULLDUMMY:
return "Dummy CHECKMULTISIG argument must be zero";
case SCRIPT_ERR_MINIMALIF:
return "OP_IF/NOTIF argument must be minimal";
case SCRIPT_ERR_SIG_NULLFAIL:
return "Signature must be zero for failed CHECK(MULTI)SIG operation";
case SCRIPT_ERR_DISCOURAGE_UPGRADABLE_NOPS:
return "NOPx reserved for soft-fork upgrades";
case SCRIPT_ERR_DISCOURAGE_UPGRADABLE_WITNESS_PROGRAM:
return "Witness version reserved for soft-fork upgrades";
case SCRIPT_ERR_DISCOURAGE_UPGRADABLE_TAPROOT_VERSION:
return "Taproot version reserved for soft-fork upgrades";
case SCRIPT_ERR_DISCOURAGE_OP_SUCCESS:
return "OP_SUCCESSx reserved for soft-fork upgrades";
case SCRIPT_ERR_DISCOURAGE_UPGRADABLE_PUBKEYTYPE:
return "Public key version reserved for soft-fork upgrades";
case SCRIPT_ERR_PUBKEYTYPE:
return "Public key is neither compressed or uncompressed";
case SCRIPT_ERR_CLEANSTACK:
return "Stack size must be exactly one after execution";
case SCRIPT_ERR_WITNESS_PROGRAM_WRONG_LENGTH:
return "Witness program has incorrect length";
case SCRIPT_ERR_WITNESS_PROGRAM_WITNESS_EMPTY:
return "Witness program was passed an empty witness";
case SCRIPT_ERR_WITNESS_PROGRAM_MISMATCH:
return "Witness program hash mismatch";
case SCRIPT_ERR_WITNESS_MALLEATED:
return "Witness requires empty scriptSig";
case SCRIPT_ERR_WITNESS_MALLEATED_P2SH:
return "Witness requires only-redeemscript scriptSig";
case SCRIPT_ERR_WITNESS_UNEXPECTED:
return "Witness provided for non-witness script";
case SCRIPT_ERR_WITNESS_PUBKEYTYPE:
return "Using non-compressed keys in segwit";
case SCRIPT_ERR_SCHNORR_SIG_SIZE:
return "Invalid Schnorr signature size";
case SCRIPT_ERR_SCHNORR_SIG_HASHTYPE:
return "Invalid Schnorr signature hash type";
case SCRIPT_ERR_SCHNORR_SIG:
return "Invalid Schnorr signature";
case SCRIPT_ERR_TAPROOT_WRONG_CONTROL_SIZE:
return "Invalid Taproot control block size";
case SCRIPT_ERR_TAPSCRIPT_VALIDATION_WEIGHT:
return "Too much signature validation relative to witness weight";
case SCRIPT_ERR_TAPSCRIPT_CHECKMULTISIG:
return "OP_CHECKMULTISIG(VERIFY) is not available in tapscript";
case SCRIPT_ERR_TAPSCRIPT_MINIMALIF:
return "OP_IF/NOTIF argument must be minimal in tapscript";
case SCRIPT_ERR_OP_CODESEPARATOR:
return "Using OP_CODESEPARATOR in non-witness script";
case SCRIPT_ERR_SIG_FINDANDDELETE:
return "Signature is found in scriptCode";
case SCRIPT_ERR_UNKNOWN_ERROR:
case SCRIPT_ERR_ERROR_COUNT:
default: break;
}
return "unknown error";
}
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