/*
 * This file is part of the Flowee project
 * Copyright (C) 2009-2010 Satoshi Nakamoto
 * Copyright (C) 2009-2014 The Bitcoin Core developers
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef FLOWEE_SCRIPT_SCRIPT_ERROR_H
#define FLOWEE_SCRIPT_SCRIPT_ERROR_H

typedef enum ScriptError_t
{
    SCRIPT_ERR_OK = 0,
    SCRIPT_ERR_UNKNOWN_ERROR,
    SCRIPT_ERR_EVAL_FALSE,
    SCRIPT_ERR_OP_RETURN,

    /* Max sizes */
    SCRIPT_ERR_SCRIPT_SIZE,
    SCRIPT_ERR_PUSH_SIZE,
    SCRIPT_ERR_OP_COUNT,
    SCRIPT_ERR_STACK_SIZE,
    SCRIPT_ERR_SIG_COUNT,
    SCRIPT_ERR_PUBKEY_COUNT,
    SCRIPT_ERR_OP_COST,
    SCRIPT_ERR_TOO_MANY_HASH_ITERS,
    SCRIPT_ERR_CONDITIONAL_STACK_DEPTH,
    SCRIPT_ERR_CONTROL_STACK_DEPTH,

    /* Operands checks */
    SCRIPT_ERR_INVALID_OPERAND_SIZE,
    SCRIPT_ERR_INVALID_NUMBER_RANGE,
    SCRIPT_ERR_IMPOSSIBLE_ENCODING,
    SCRIPT_ERR_INVALID_SPLIT_RANGE,
    SCRIPT_ERR_INVALID_NUMBER_RANGE_BIG_INT,

    /* Failed verify operations */
    SCRIPT_ERR_VERIFY,
    SCRIPT_ERR_EQUALVERIFY,
    SCRIPT_ERR_CHECKMULTISIGVERIFY,
    SCRIPT_ERR_CHECKSIGVERIFY,
    SCRIPT_ERR_CHECKDATASIGVERIFY,
    SCRIPT_ERR_NUMEQUALVERIFY,

    /* Logical/Format/Canonical errors */
    SCRIPT_ERR_BAD_OPCODE,
    SCRIPT_ERR_DISABLED_OPCODE,
    SCRIPT_ERR_INVALID_STACK_OPERATION,
    SCRIPT_ERR_INVALID_ALTSTACK_OPERATION,
    SCRIPT_ERR_UNBALANCED_CONDITIONAL,
    SCRIPT_ERR_UNBALANCED_CONTROL_FLOW,

    /* Divisor errors */
    SCRIPT_ERR_DIV_BY_ZERO,
    SCRIPT_ERR_MOD_BY_ZERO,

    /* CHECKLOCKTIMEVERIFY and CHECKSEQUENCEVERIFY */
    SCRIPT_ERR_NEGATIVE_LOCKTIME,
    SCRIPT_ERR_UNSATISFIED_LOCKTIME,

    /* BIP62 */
    SCRIPT_ERR_SIG_HASHTYPE,
    SCRIPT_ERR_SIG_DER,
    SCRIPT_ERR_MINIMALDATA,
    SCRIPT_ERR_SIG_PUSHONLY,
    SCRIPT_ERR_SIG_HIGH_S,
    SCRIPT_ERR_SIG_NULLDUMMY,
    SCRIPT_ERR_PUBKEYTYPE,
    SCRIPT_ERR_CLEANSTACK,
    SCRIPT_ERR_SIG_NULLFAIL,

    /* softfork safeness */
    SCRIPT_ERR_DISCOURAGE_UPGRADABLE_NOPS,

    /* anti replay */
    SCRIPT_ERR_ILLEGAL_FORKID,
    SCRIPT_ERR_MUST_USE_FORKID,

    /* Schnorr */
    SCRIPT_ERR_SIG_BADLENGTH,

    // multi-sig bit-counts
    SCRIPT_ERR_INVALID_BIT_COUNT,
    SCRIPT_ERR_INVALID_BIT_RANGE,
    SCRIPT_ERR_INVALID_BITFIELD_SIZE,

    /* Native introspection */
    SCRIPT_ERR_CONTEXT_NOT_PRESENT,
    SCRIPT_ERR_LIMITED_CONTEXT_NO_SIBLING_INFO,
    SCRIPT_ERR_INVALID_TX_INPUT_INDEX,
    SCRIPT_ERR_INVALID_TX_OUTPUT_INDEX,

    /* May 2026 functions and bit shifts */
    SCRIPT_ERR_INVALID_FUNCTION_IDENTIFIER,
    SCRIPT_ERR_FUNCTION_OVERWRITE_DISALLOWED,
    SCRIPT_ERR_INVOKED_UNDEFINED_FUNCTION,
    SCRIPT_ERR_INVALID_BIT_SHIFT,

    SCRIPT_ERR_ERROR_COUNT
} ScriptError;

#define SCRIPT_ERR_LAST SCRIPT_ERR_ERROR_COUNT

const char* ScriptErrorString(const ScriptError error);

#endif