alloy_consensus/transaction/
pooled.rs

//! Defines the exact transaction variant that are allowed to be propagated over the eth p2p
//! protocol.

use crate::{
    transaction::{RlpEcdsaTx, TxEip1559, TxEip2930, TxEip4844, TxLegacy},
    SignableTransaction, Signed, Transaction, TxEip4844WithSidecar, TxEip7702, TxEnvelope, TxType,
    Typed2718,
};
use alloy_eips::{
    eip2718::{Decodable2718, Eip2718Error, Eip2718Result, Encodable2718},
    eip2930::AccessList,
    eip7702::SignedAuthorization,
};
use alloy_primitives::{
    bytes, Bytes, ChainId, PrimitiveSignature as Signature, TxHash, TxKind, B256, U256,
};
use alloy_rlp::{Decodable, Encodable, Header};
use core::hash::{Hash, Hasher};

/// All possible transactions that can be included in a response to `GetPooledTransactions`.
/// A response to `GetPooledTransactions`. This can include either a blob transaction, or a
/// non-4844 signed transaction.
///
/// The difference between this and the [`TxEnvelope`] is that this type always requires the
/// [`TxEip4844WithSidecar`] variant, because EIP-4844 transaction can only be propagated with the
/// sidecar over p2p.
#[derive(Clone, Debug, PartialEq, Eq)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
#[cfg_attr(all(any(test, feature = "arbitrary"), feature = "k256"), derive(arbitrary::Arbitrary))]
pub enum PooledTransaction {
    /// An untagged [`TxLegacy`].
    Legacy(Signed<TxLegacy>),
    /// A [`TxEip2930`] tagged with type 1.
    Eip2930(Signed<TxEip2930>),
    /// A [`TxEip1559`] tagged with type 2.
    Eip1559(Signed<TxEip1559>),
    /// A EIP-4844 transaction, which includes the transaction, blob data, commitments, and proofs.
    Eip4844(Signed<TxEip4844WithSidecar>),
    /// A [`TxEip7702`] tagged with type 4.
    Eip7702(Signed<TxEip7702>),
}

impl PooledTransaction {
    /// Heavy operation that return signature hash over rlp encoded transaction.
    /// It is only for signature signing or signer recovery.
    pub fn signature_hash(&self) -> B256 {
        match self {
            Self::Legacy(tx) => tx.signature_hash(),
            Self::Eip2930(tx) => tx.signature_hash(),
            Self::Eip1559(tx) => tx.signature_hash(),
            Self::Eip7702(tx) => tx.signature_hash(),
            Self::Eip4844(tx) => tx.signature_hash(),
        }
    }

    /// Reference to transaction hash. Used to identify transaction.
    pub const fn hash(&self) -> &TxHash {
        match self {
            Self::Legacy(tx) => tx.hash(),
            Self::Eip2930(tx) => tx.hash(),
            Self::Eip1559(tx) => tx.hash(),
            Self::Eip7702(tx) => tx.hash(),
            Self::Eip4844(tx) => tx.hash(),
        }
    }

    /// Returns the signature of the transaction.
    pub const fn signature(&self) -> &Signature {
        match self {
            Self::Legacy(tx) => tx.signature(),
            Self::Eip2930(tx) => tx.signature(),
            Self::Eip1559(tx) => tx.signature(),
            Self::Eip7702(tx) => tx.signature(),
            Self::Eip4844(tx) => tx.signature(),
        }
    }

    /// The length of the 2718 encoded envelope in network format. This is the
    /// length of the header + the length of the type flag and inner encoding.
    fn network_len(&self) -> usize {
        let mut payload_length = self.encode_2718_len();
        if !Encodable2718::is_legacy(self) {
            payload_length += Header { list: false, payload_length }.length();
        }

        payload_length
    }

    /// Recover the signer of the transaction.
    #[cfg(feature = "k256")]
    pub fn recover_signer(
        &self,
    ) -> Result<alloy_primitives::Address, alloy_primitives::SignatureError> {
        match self {
            Self::Legacy(tx) => tx.recover_signer(),
            Self::Eip2930(tx) => tx.recover_signer(),
            Self::Eip1559(tx) => tx.recover_signer(),
            Self::Eip4844(tx) => tx.recover_signer(),
            Self::Eip7702(tx) => tx.recover_signer(),
        }
    }

    /// This encodes the transaction _without_ the signature, and is only suitable for creating a
    /// hash intended for signing.
    pub fn encode_for_signing(&self, out: &mut dyn bytes::BufMut) {
        match self {
            Self::Legacy(tx) => tx.tx().encode_for_signing(out),
            Self::Eip2930(tx) => tx.tx().encode_for_signing(out),
            Self::Eip1559(tx) => tx.tx().encode_for_signing(out),
            Self::Eip4844(tx) => tx.tx().encode_for_signing(out),
            Self::Eip7702(tx) => tx.tx().encode_for_signing(out),
        }
    }

    /// Converts the transaction into [`TxEnvelope`].
    pub fn into_envelope(self) -> TxEnvelope {
        match self {
            Self::Legacy(tx) => tx.into(),
            Self::Eip2930(tx) => tx.into(),
            Self::Eip1559(tx) => tx.into(),
            Self::Eip7702(tx) => tx.into(),
            Self::Eip4844(tx) => tx.into(),
        }
    }

    /// Returns the [`TxLegacy`] variant if the transaction is a legacy transaction.
    pub const fn as_legacy(&self) -> Option<&TxLegacy> {
        match self {
            Self::Legacy(tx) => Some(tx.tx()),
            _ => None,
        }
    }

    /// Returns the [`TxEip2930`] variant if the transaction is an EIP-2930 transaction.
    pub const fn as_eip2930(&self) -> Option<&TxEip2930> {
        match self {
            Self::Eip2930(tx) => Some(tx.tx()),
            _ => None,
        }
    }

    /// Returns the [`TxEip1559`] variant if the transaction is an EIP-1559 transaction.
    pub const fn as_eip1559(&self) -> Option<&TxEip1559> {
        match self {
            Self::Eip1559(tx) => Some(tx.tx()),
            _ => None,
        }
    }

    /// Returns the [`TxEip4844WithSidecar`] variant if the transaction is an EIP-4844 transaction.
    pub const fn as_eip4844_with_sidecar(&self) -> Option<&TxEip4844WithSidecar> {
        match self {
            Self::Eip4844(tx) => Some(tx.tx()),
            _ => None,
        }
    }

    /// Returns the [`TxEip4844`] variant if the transaction is an EIP-4844 transaction.
    pub const fn as_eip4844(&self) -> Option<&TxEip4844> {
        match self {
            Self::Eip4844(tx) => Some(tx.tx().tx()),
            _ => None,
        }
    }

    /// Returns the [`TxEip7702`] variant if the transaction is an EIP-7702 transaction.
    pub const fn as_eip7702(&self) -> Option<&TxEip7702> {
        match self {
            Self::Eip7702(tx) => Some(tx.tx()),
            _ => None,
        }
    }

    /// Attempts to unwrap the transaction into a legacy transaction variant.
    /// If the transaction is not a legacy transaction, it will return `Err(self)`.
    pub fn try_into_legacy(self) -> Result<Signed<TxLegacy>, Self> {
        match self {
            Self::Legacy(tx) => Ok(tx),
            tx => Err(tx),
        }
    }

    /// Attempts to unwrap the transaction into an EIP-2930 transaction variant.
    /// If the transaction is not an EIP-2930 transaction, it will return `Err(self)`.
    pub fn try_into_eip2930(self) -> Result<Signed<TxEip2930>, Self> {
        match self {
            Self::Eip2930(tx) => Ok(tx),
            tx => Err(tx),
        }
    }

    /// Attempts to unwrap the transaction into an EIP-1559 transaction variant.
    /// If the transaction is not an EIP-1559 transaction, it will return `Err(self)`.
    pub fn try_into_eip1559(self) -> Result<Signed<TxEip1559>, Self> {
        match self {
            Self::Eip1559(tx) => Ok(tx),
            tx => Err(tx),
        }
    }

    /// Attempts to unwrap the transaction into an EIP-4844 transaction variant.
    /// If the transaction is not an EIP-4844 transaction, it will return `Err(self)`.
    pub fn try_into_eip4844(self) -> Result<Signed<TxEip4844WithSidecar>, Self> {
        match self {
            Self::Eip4844(tx) => Ok(tx),
            tx => Err(tx),
        }
    }

    /// Attempts to unwrap the transaction into an EIP-7702 transaction variant.
    /// If the transaction is not an EIP-7702 transaction, it will return `Err(self)`.
    pub fn try_into_eip7702(self) -> Result<Signed<TxEip7702>, Self> {
        match self {
            Self::Eip7702(tx) => Ok(tx),
            tx => Err(tx),
        }
    }
}

impl From<Signed<TxLegacy>> for PooledTransaction {
    fn from(v: Signed<TxLegacy>) -> Self {
        Self::Legacy(v)
    }
}

impl From<Signed<TxEip2930>> for PooledTransaction {
    fn from(v: Signed<TxEip2930>) -> Self {
        Self::Eip2930(v)
    }
}

impl From<Signed<TxEip1559>> for PooledTransaction {
    fn from(v: Signed<TxEip1559>) -> Self {
        Self::Eip1559(v)
    }
}

impl From<Signed<TxEip4844WithSidecar>> for PooledTransaction {
    fn from(v: Signed<TxEip4844WithSidecar>) -> Self {
        let (tx, signature, hash) = v.into_parts();
        Self::Eip4844(Signed::new_unchecked(tx, signature, hash))
    }
}

impl From<Signed<TxEip7702>> for PooledTransaction {
    fn from(v: Signed<TxEip7702>) -> Self {
        Self::Eip7702(v)
    }
}

impl Hash for PooledTransaction {
    fn hash<H: Hasher>(&self, state: &mut H) {
        self.trie_hash().hash(state);
    }
}

impl Encodable for PooledTransaction {
    /// This encodes the transaction _with_ the signature, and an rlp header.
    ///
    /// For legacy transactions, it encodes the transaction data:
    /// `rlp(tx-data)`
    ///
    /// For EIP-2718 typed transactions, it encodes the transaction type followed by the rlp of the
    /// transaction:
    /// `rlp(tx-type || rlp(tx-data))`
    fn encode(&self, out: &mut dyn bytes::BufMut) {
        self.network_encode(out);
    }

    fn length(&self) -> usize {
        self.network_len()
    }
}

impl Decodable for PooledTransaction {
    /// Decodes an enveloped post EIP-4844 [`PooledTransaction`].
    ///
    /// CAUTION: this expects that `buf` is `rlp(tx_type || rlp(tx-data))`
    fn decode(buf: &mut &[u8]) -> alloy_rlp::Result<Self> {
        Ok(Self::network_decode(buf)?)
    }
}

impl Encodable2718 for PooledTransaction {
    fn type_flag(&self) -> Option<u8> {
        match self {
            Self::Legacy(_) => None,
            Self::Eip2930(_) => Some(0x01),
            Self::Eip1559(_) => Some(0x02),
            Self::Eip4844(_) => Some(0x03),
            Self::Eip7702(_) => Some(0x04),
        }
    }

    fn encode_2718_len(&self) -> usize {
        match self {
            Self::Legacy(tx) => tx.eip2718_encoded_length(),
            Self::Eip2930(tx) => tx.eip2718_encoded_length(),
            Self::Eip1559(tx) => tx.eip2718_encoded_length(),
            Self::Eip7702(tx) => tx.eip2718_encoded_length(),
            Self::Eip4844(tx) => tx.eip2718_encoded_length(),
        }
    }

    fn encode_2718(&self, out: &mut dyn alloy_rlp::BufMut) {
        match self {
            Self::Legacy(tx) => tx.eip2718_encode(out),
            Self::Eip2930(tx) => tx.eip2718_encode(out),
            Self::Eip1559(tx) => tx.eip2718_encode(out),
            Self::Eip7702(tx) => tx.eip2718_encode(out),
            Self::Eip4844(tx) => tx.eip2718_encode(out),
        }
    }

    fn trie_hash(&self) -> B256 {
        *self.hash()
    }
}

impl Decodable2718 for PooledTransaction {
    fn typed_decode(ty: u8, buf: &mut &[u8]) -> Eip2718Result<Self> {
        match ty.try_into().map_err(|_| alloy_rlp::Error::Custom("unexpected tx type"))? {
            TxType::Eip2930 => Ok(TxEip2930::rlp_decode_signed(buf)?.into()),
            TxType::Eip1559 => Ok(TxEip1559::rlp_decode_signed(buf)?.into()),
            TxType::Eip4844 => Ok(TxEip4844WithSidecar::rlp_decode_signed(buf)?.into()),
            TxType::Eip7702 => Ok(TxEip7702::rlp_decode_signed(buf)?.into()),
            TxType::Legacy => Err(Eip2718Error::UnexpectedType(0)),
        }
    }

    fn fallback_decode(buf: &mut &[u8]) -> Eip2718Result<Self> {
        TxLegacy::rlp_decode_signed(buf).map(Into::into).map_err(Into::into)
    }
}

impl Transaction for PooledTransaction {
    fn chain_id(&self) -> Option<ChainId> {
        match self {
            Self::Legacy(tx) => tx.tx().chain_id(),
            Self::Eip2930(tx) => tx.tx().chain_id(),
            Self::Eip1559(tx) => tx.tx().chain_id(),
            Self::Eip7702(tx) => tx.tx().chain_id(),
            Self::Eip4844(tx) => tx.tx().chain_id(),
        }
    }

    fn nonce(&self) -> u64 {
        match self {
            Self::Legacy(tx) => tx.tx().nonce(),
            Self::Eip2930(tx) => tx.tx().nonce(),
            Self::Eip1559(tx) => tx.tx().nonce(),
            Self::Eip7702(tx) => tx.tx().nonce(),
            Self::Eip4844(tx) => tx.tx().nonce(),
        }
    }

    fn gas_limit(&self) -> u64 {
        match self {
            Self::Legacy(tx) => tx.tx().gas_limit(),
            Self::Eip2930(tx) => tx.tx().gas_limit(),
            Self::Eip1559(tx) => tx.tx().gas_limit(),
            Self::Eip7702(tx) => tx.tx().gas_limit(),
            Self::Eip4844(tx) => tx.tx().gas_limit(),
        }
    }

    fn gas_price(&self) -> Option<u128> {
        match self {
            Self::Legacy(tx) => tx.tx().gas_price(),
            Self::Eip2930(tx) => tx.tx().gas_price(),
            Self::Eip1559(tx) => tx.tx().gas_price(),
            Self::Eip7702(tx) => tx.tx().gas_price(),
            Self::Eip4844(tx) => tx.tx().gas_price(),
        }
    }

    fn max_fee_per_gas(&self) -> u128 {
        match self {
            Self::Legacy(tx) => tx.tx().max_fee_per_gas(),
            Self::Eip2930(tx) => tx.tx().max_fee_per_gas(),
            Self::Eip1559(tx) => tx.tx().max_fee_per_gas(),
            Self::Eip7702(tx) => tx.tx().max_fee_per_gas(),
            Self::Eip4844(tx) => tx.tx().max_fee_per_gas(),
        }
    }

    fn max_priority_fee_per_gas(&self) -> Option<u128> {
        match self {
            Self::Legacy(tx) => tx.tx().max_priority_fee_per_gas(),
            Self::Eip2930(tx) => tx.tx().max_priority_fee_per_gas(),
            Self::Eip1559(tx) => tx.tx().max_priority_fee_per_gas(),
            Self::Eip7702(tx) => tx.tx().max_priority_fee_per_gas(),
            Self::Eip4844(tx) => tx.tx().max_priority_fee_per_gas(),
        }
    }

    fn max_fee_per_blob_gas(&self) -> Option<u128> {
        match self {
            Self::Legacy(tx) => tx.tx().max_fee_per_blob_gas(),
            Self::Eip2930(tx) => tx.tx().max_fee_per_blob_gas(),
            Self::Eip1559(tx) => tx.tx().max_fee_per_blob_gas(),
            Self::Eip7702(tx) => tx.tx().max_fee_per_blob_gas(),
            Self::Eip4844(tx) => tx.tx().max_fee_per_blob_gas(),
        }
    }

    fn priority_fee_or_price(&self) -> u128 {
        match self {
            Self::Legacy(tx) => tx.tx().priority_fee_or_price(),
            Self::Eip2930(tx) => tx.tx().priority_fee_or_price(),
            Self::Eip1559(tx) => tx.tx().priority_fee_or_price(),
            Self::Eip7702(tx) => tx.tx().priority_fee_or_price(),
            Self::Eip4844(tx) => tx.tx().priority_fee_or_price(),
        }
    }

    fn effective_gas_price(&self, base_fee: Option<u64>) -> u128 {
        match self {
            Self::Legacy(tx) => tx.tx().effective_gas_price(base_fee),
            Self::Eip2930(tx) => tx.tx().effective_gas_price(base_fee),
            Self::Eip1559(tx) => tx.tx().effective_gas_price(base_fee),
            Self::Eip7702(tx) => tx.tx().effective_gas_price(base_fee),
            Self::Eip4844(tx) => tx.tx().effective_gas_price(base_fee),
        }
    }

    fn is_dynamic_fee(&self) -> bool {
        match self {
            Self::Legacy(tx) => tx.tx().is_dynamic_fee(),
            Self::Eip2930(tx) => tx.tx().is_dynamic_fee(),
            Self::Eip1559(tx) => tx.tx().is_dynamic_fee(),
            Self::Eip7702(tx) => tx.tx().is_dynamic_fee(),
            Self::Eip4844(tx) => tx.tx().is_dynamic_fee(),
        }
    }

    fn kind(&self) -> TxKind {
        match self {
            Self::Legacy(tx) => tx.tx().kind(),
            Self::Eip2930(tx) => tx.tx().kind(),
            Self::Eip1559(tx) => tx.tx().kind(),
            Self::Eip7702(tx) => tx.tx().kind(),
            Self::Eip4844(tx) => tx.tx().kind(),
        }
    }

    fn is_create(&self) -> bool {
        match self {
            Self::Legacy(tx) => tx.tx().is_create(),
            Self::Eip2930(tx) => tx.tx().is_create(),
            Self::Eip1559(tx) => tx.tx().is_create(),
            Self::Eip7702(tx) => tx.tx().is_create(),
            Self::Eip4844(tx) => tx.tx().is_create(),
        }
    }

    fn value(&self) -> U256 {
        match self {
            Self::Legacy(tx) => tx.tx().value(),
            Self::Eip2930(tx) => tx.tx().value(),
            Self::Eip1559(tx) => tx.tx().value(),
            Self::Eip7702(tx) => tx.tx().value(),
            Self::Eip4844(tx) => tx.tx().value(),
        }
    }

    fn input(&self) -> &Bytes {
        match self {
            Self::Legacy(tx) => tx.tx().input(),
            Self::Eip2930(tx) => tx.tx().input(),
            Self::Eip1559(tx) => tx.tx().input(),
            Self::Eip7702(tx) => tx.tx().input(),
            Self::Eip4844(tx) => tx.tx().input(),
        }
    }

    fn access_list(&self) -> Option<&AccessList> {
        match self {
            Self::Legacy(tx) => tx.tx().access_list(),
            Self::Eip2930(tx) => tx.tx().access_list(),
            Self::Eip1559(tx) => tx.tx().access_list(),
            Self::Eip7702(tx) => tx.tx().access_list(),
            Self::Eip4844(tx) => tx.tx().access_list(),
        }
    }

    fn blob_versioned_hashes(&self) -> Option<&[B256]> {
        match self {
            Self::Legacy(tx) => tx.tx().blob_versioned_hashes(),
            Self::Eip2930(tx) => tx.tx().blob_versioned_hashes(),
            Self::Eip1559(tx) => tx.tx().blob_versioned_hashes(),
            Self::Eip7702(tx) => tx.tx().blob_versioned_hashes(),
            Self::Eip4844(tx) => tx.tx().blob_versioned_hashes(),
        }
    }

    fn authorization_list(&self) -> Option<&[SignedAuthorization]> {
        match self {
            Self::Legacy(tx) => tx.tx().authorization_list(),
            Self::Eip2930(tx) => tx.tx().authorization_list(),
            Self::Eip1559(tx) => tx.tx().authorization_list(),
            Self::Eip7702(tx) => tx.tx().authorization_list(),
            Self::Eip4844(tx) => tx.tx().authorization_list(),
        }
    }
}

impl Typed2718 for PooledTransaction {
    fn ty(&self) -> u8 {
        match self {
            Self::Legacy(tx) => tx.tx().ty(),
            Self::Eip2930(tx) => tx.tx().ty(),
            Self::Eip1559(tx) => tx.tx().ty(),
            Self::Eip7702(tx) => tx.tx().ty(),
            Self::Eip4844(tx) => tx.tx().ty(),
        }
    }
}

impl From<PooledTransaction> for TxEnvelope {
    fn from(tx: PooledTransaction) -> Self {
        tx.into_envelope()
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use alloy_primitives::{address, hex};
    use bytes::Bytes;

    #[test]
    fn invalid_legacy_pooled_decoding_input_too_short() {
        let input_too_short = [
            // this should fail because the payload length is longer than expected
            &hex!("d90b0280808bc5cd028083c5cdfd9e407c56565656")[..],
            // these should fail decoding
            //
            // The `c1` at the beginning is a list header, and the rest is a valid legacy
            // transaction, BUT the payload length of the list header is 1, and the payload is
            // obviously longer than one byte.
            &hex!("c10b02808083c5cd028883c5cdfd9e407c56565656"),
            &hex!("c10b0280808bc5cd028083c5cdfd9e407c56565656"),
            // this one is 19 bytes, and the buf is long enough, but the transaction will not
            // consume that many bytes.
            &hex!("d40b02808083c5cdeb8783c5acfd9e407c5656565656"),
            &hex!("d30102808083c5cd02887dc5cdfd9e64fd9e407c56"),
        ];

        for hex_data in &input_too_short {
            let input_rlp = &mut &hex_data[..];
            let res = PooledTransaction::decode(input_rlp);

            assert!(
                res.is_err(),
                "expected err after decoding rlp input: {:x?}",
                Bytes::copy_from_slice(hex_data)
            );

            // this is a legacy tx so we can attempt the same test with decode_enveloped
            let input_rlp = &mut &hex_data[..];
            let res = PooledTransaction::decode_2718(input_rlp);

            assert!(
                res.is_err(),
                "expected err after decoding enveloped rlp input: {:x?}",
                Bytes::copy_from_slice(hex_data)
            );
        }
    }

    // <https://holesky.etherscan.io/tx/0x7f60faf8a410a80d95f7ffda301d5ab983545913d3d789615df3346579f6c849>
    #[test]
    fn decode_eip1559_enveloped() {
        let data = hex!("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"
);

        let res = PooledTransaction::decode_2718(&mut &data[..]).unwrap();
        assert_eq!(res.to(), Some(address!("714b6a4ea9b94a8a7d9fd362ed72630688c8898c")));
    }

    #[test]
    fn legacy_valid_pooled_decoding() {
        // d3 <- payload length, d3 - c0 = 0x13 = 19
        // 0b <- nonce
        // 02 <- gas_price
        // 80 <- gas_limit
        // 80 <- to (Create)
        // 83 c5cdeb <- value
        // 87 83c5acfd9e407c <- input
        // 56 <- v (eip155, so modified with a chain id)
        // 56 <- r
        // 56 <- s
        let data = &hex!("d30b02808083c5cdeb8783c5acfd9e407c565656")[..];

        let input_rlp = &mut &data[..];
        let res = PooledTransaction::decode(input_rlp);
        assert!(res.is_ok());
        assert!(input_rlp.is_empty());

        // we can also decode_enveloped
        let res = PooledTransaction::decode_2718(&mut &data[..]);
        assert!(res.is_ok());
    }
}
alloy_consensus/transaction/pooled.rs

alloy_consensus/transaction/
pooled.rs
