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script_error.cpp
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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2016 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 ScriptError::OK:
return "No error";
case ScriptError::EVAL_FALSE:
return "Script evaluated without error but finished with a "
"false/empty top stack element";
case ScriptError::VERIFY:
return "Script failed an OP_VERIFY operation";
case ScriptError::EQUALVERIFY:
return "Script failed an OP_EQUALVERIFY operation";
case ScriptError::CHECKMULTISIGVERIFY:
return "Script failed an OP_CHECKMULTISIGVERIFY operation";
case ScriptError::CHECKSIGVERIFY:
return "Script failed an OP_CHECKSIGVERIFY operation";
case ScriptError::CHECKDATASIGVERIFY:
return "Script failed an OP_CHECKDATASIGVERIFY operation";
case ScriptError::NUMEQUALVERIFY:
return "Script failed an OP_NUMEQUALVERIFY operation";
case ScriptError::SCRIPT_SIZE:
return "Script is too big";
case ScriptError::PUSH_SIZE:
return "Push value size limit exceeded";
case ScriptError::OP_COUNT:
return "Operation limit exceeded";
case ScriptError::STACK_SIZE:
return "Stack size limit exceeded";
case ScriptError::SIG_COUNT:
return "Signature count negative or greater than pubkey count";
case ScriptError::PUBKEY_COUNT:
return "Pubkey count negative or limit exceeded";
case ScriptError::INPUT_SIGCHECKS:
return "Input SigChecks limit exceeded";
case ScriptError::INVALID_OPERAND_SIZE:
return "Invalid operand size";
case ScriptError::INVALID_NUMBER_RANGE:
return "Given operand is not a number within the valid range "
"[-2^31...2^31]";
case ScriptError::IMPOSSIBLE_ENCODING:
return "The requested encoding is impossible to satisfy";
case ScriptError::INVALID_SPLIT_RANGE:
return "Invalid OP_SPLIT range";
case ScriptError::INVALID_BIT_COUNT:
return "Invalid number of bit set in OP_CHECKMULTISIG";
case ScriptError::BAD_OPCODE:
return "Opcode missing or not understood";
case ScriptError::DISABLED_OPCODE:
return "Attempted to use a disabled opcode";
case ScriptError::INVALID_STACK_OPERATION:
return "Operation not valid with the current stack size";
case ScriptError::INVALID_ALTSTACK_OPERATION:
return "Operation not valid with the current altstack size";
case ScriptError::OP_RETURN:
return "OP_RETURN was encountered";
case ScriptError::UNBALANCED_CONDITIONAL:
return "Invalid OP_IF construction";
case ScriptError::DIV_BY_ZERO:
return "Division by zero error";
case ScriptError::MOD_BY_ZERO:
return "Modulo by zero error";
case ScriptError::INVALID_BITFIELD_SIZE:
return "Bitfield of unexpected size error";
case ScriptError::INVALID_BIT_RANGE:
return "Bitfield's bit out of the expected range";
case ScriptError::NEGATIVE_LOCKTIME:
return "Negative locktime";
case ScriptError::UNSATISFIED_LOCKTIME:
return "Locktime requirement not satisfied";
case ScriptError::SIG_HASHTYPE:
return "Signature hash type missing or not understood";
case ScriptError::SIG_DER:
return "Non-canonical DER signature";
case ScriptError::MINIMALDATA:
return "Data push larger than necessary";
case ScriptError::SIG_PUSHONLY:
return "Only push operators allowed in signatures";
case ScriptError::SIG_HIGH_S:
return "Non-canonical signature: S value is unnecessarily high";
case ScriptError::MINIMALIF:
return "OP_IF/NOTIF argument must be minimal";
case ScriptError::SIG_NULLFAIL:
return "Signature must be zero for failed CHECK(MULTI)SIG "
"operation";
case ScriptError::SIG_BADLENGTH:
return "Signature cannot be 65 bytes in CHECKMULTISIG";
case ScriptError::SIG_NONSCHNORR:
return "Only Schnorr signatures allowed in this operation";
case ScriptError::DISCOURAGE_UPGRADABLE_NOPS:
return "NOPx reserved for soft-fork upgrades";
case ScriptError::PUBKEYTYPE:
return "Public key is neither compressed or uncompressed";
case ScriptError::CLEANSTACK:
return "Stack size must be exactly one after execution";
case ScriptError::ILLEGAL_FORKID:
return "Illegal use of SIGHASH_FORKID";
case ScriptError::MUST_USE_FORKID:
return "Signature must use SIGHASH_FORKID";
case ScriptError::SIGCHECKS_LIMIT_EXCEEDED:
return "Validation resources exceeded (SigChecks)";
case ScriptError::UNKNOWN:
case ScriptError::ERROR_COUNT:
default:
break;
}
return "unknown error";
}

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