// SPDX-FileCopyrightText: 2026 Demerzel Solutions Limited
// SPDX-License-Identifier: LGPL-3.0-only

namespace Nethermind.TxPool;

/// <summary>
/// User-facing rejection phrases for <see cref="AcceptTxResult"/> codes surfaced through the RPC layer.
/// </summary>
public static class TxPoolErrorMessages
{
    // Geth-canonical mempool rejection phrases
    public const string AlreadyKnown = "already known";
    public const string TransactionUnderpriced = "transaction underpriced";
    public const string ReplacementTransactionUnderpriced = "replacement transaction underpriced";
    public const string GasLimitReached = "gas limit reached";
    public const string NonceTooHigh = "nonce too high";
    public const string NonceTooLow = "nonce too low";
    public const string SenderNotEoa = "sender not an eoa";

    // Nethermind-specific mempool rejection phrases
    public const string FailedToRecoverSender = "failed to recover sender";
    public const string TransactionOverflow = "transaction cost overflow";
    public const string TransactionInvalid = "transaction invalid";
    public const string NonceTooFarInFuture = "nonce too far in future";
    public const string PendingTransactionTypeConflict = "pending transaction type conflict";
    public const string UnsupportedTransactionType = "unsupported transaction type";
    public const string TransactionTooLarge = "transaction too large";
    public const string DelegationNonceGap = "delegation nonce gap";
    public const string DelegationAuthorityHasPendingTx = "delegation authority has pending transaction";
    public const string NodeIsSyncing = "node is syncing";
    public const string FrameTxExpired = "frame transaction expired";
    public const string FrameTxVerifyGasTooHigh = "frame transaction validation prefix exceeds the node verification budget";
    public const string FrameTxVerifyStateGasTooHigh = "frame transaction validation prefix exceeds MAX_VERIFY_STATE_GAS";
    public const string KeyedNonceUnmet = "keyed nonce sequence not current";
    public const string FrameTxPayerExposureExceeded = "frame transaction payer exposure exceeds balance";
    public const string FrameTxUnrecognizedPrefix = "unrecognized frame transaction validation prefix";
    public const string FrameTxNoPayer = "frame transaction never approves a payer";
    public const string FrameSimulationFailed = "frame transaction validation-prefix simulation failed";
    public const string FrameSimulationDeferred = "frame transaction validation-prefix simulation deferred";
    public const string FramePeerValidationBudgetSpent = "peer spent its share of the frame transaction validation time";
    public const string FrameSignatureVerificationDeferred = "frame transaction signature verification deferred";
    public const string FrameSimulationBudgetSpent = "validation-prefix simulation budget exhausted for this head";
    public const string FrameTxMissingSidecar = "blob-carrying frame transaction is missing its blob sidecar";
    public const string FrameTxVerifyAfterPrefix = "frame transaction has a VERIFY frame after its validation prefix";
    public const string FrameTxMisplacedExpiryFrame = "frame transaction has an expiry verifier frame that does not lead its frame list";
    public const string FrameTxMisplacedRecentRootFrame = "frame transaction has a malformed or misplaced recent_root_verify frame";
    public const string FrameTxRecentRootWithPersistentBlobs = "blob-carrying frame transaction with a recent_root_verify frame is not accepted by a persistent blob pool";
    public const string NonCanonicalPaymasterLimitReached = "non-canonical paymaster already sponsors the maximum number of pending frame transactions";
    public const string FrameTxCodeDependencyLimitReached = "frame transaction validation prefix relies on an account whose code can change, or that EIP-8151 ecRecover returned, already relied on by the maximum number of pending frame transactions, or by the pay frames of the maximum number of paymasters";
    public const string WidthUnmet = "sender width insufficient for another pending keyed-nonce frame transaction";
    public const string PaymasterWidthUnmet = "paymaster width insufficient for another pending sponsored frame transaction";

    public const string KeyedNonceOverlap = "keyed nonce set intersects another pending frame transaction from the same sender";
}