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block.rs
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block.rs
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//! Contains types that represent ethereum types in [reth_primitives] when used in RPC
use crate::Transaction;
use reth_primitives::{
Address, Bloom, Bytes, Header as PrimitiveHeader, SealedHeader, Withdrawal, H256, H64, U256,
U64,
};
use serde::{ser::Error, Deserialize, Serialize, Serializer};
use std::{collections::BTreeMap, ops::Deref};
/// Block Transactions depending on the boolean attribute of `eth_getBlockBy*`,
/// or if used by `eth_getUncle*`
#[derive(Debug, Clone, Eq, PartialEq, Serialize, Deserialize)]
#[serde(untagged)]
pub enum BlockTransactions {
/// Only hashes
Hashes(Vec<H256>),
/// Full transactions
Full(Vec<Transaction>),
/// Special case for uncle response.
Uncle,
}
impl BlockTransactions {
/// Check if the enum variant is
/// used for an uncle response.
pub fn is_uncle(&self) -> bool {
matches!(self, Self::Uncle)
}
}
/// Determines how the `transactions` field of [Block] should be filled.
///
/// This essentially represents the `full:bool` argument in RPC calls that determine whether the
/// response should include full transaction objects or just the hashes.
#[derive(Debug, Clone, Eq, PartialEq)]
pub enum BlockTransactionsKind {
/// Only include hashes: [BlockTransactions::Hashes]
Hashes,
/// Include full transaction objects: [BlockTransactions::Full]
Full,
}
impl From<bool> for BlockTransactionsKind {
fn from(is_full: bool) -> Self {
if is_full {
BlockTransactionsKind::Full
} else {
BlockTransactionsKind::Hashes
}
}
}
/// Error that can occur when converting other types to blocks
#[derive(Debug, thiserror::Error)]
pub enum BlockError {
/// A transaction failed sender recovery
#[error("transaction failed sender recovery")]
InvalidSignature,
/// A raw block failed to decode
#[error("failed to decode raw block {0}")]
RlpDecodeRawBlock(reth_rlp::DecodeError),
}
/// Block representation
#[derive(Debug, Clone, Eq, PartialEq, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct Block {
/// Header of the block
#[serde(flatten)]
pub header: Header,
/// Total difficulty, this field is None only if representing
/// an Uncle block.
#[serde(skip_serializing_if = "Option::is_none")]
pub total_difficulty: Option<U256>,
/// Uncles' hashes
pub uncles: Vec<H256>,
/// Transactions
#[serde(skip_serializing_if = "BlockTransactions::is_uncle")]
pub transactions: BlockTransactions,
/// Integer the size of this block in bytes.
pub size: Option<U256>,
/// Withdrawals in the block
#[serde(default, skip_serializing_if = "Option::is_none")]
pub withdrawals: Option<Vec<Withdrawal>>,
}
/// Block header representation.
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct Header {
/// Hash of the block
pub hash: Option<H256>,
/// Hash of the parent
pub parent_hash: H256,
/// Hash of the uncles
#[serde(rename = "sha3Uncles")]
pub uncles_hash: H256,
/// Alias of `author`
pub miner: Address,
/// State root hash
pub state_root: H256,
/// Transactions root hash
pub transactions_root: H256,
/// Transactions receipts root hash
pub receipts_root: H256,
/// Logs bloom
pub logs_bloom: Bloom,
/// Difficulty
pub difficulty: U256,
/// Block number
pub number: Option<U256>,
/// Gas Limit
pub gas_limit: U256,
/// Gas Used
pub gas_used: U256,
/// Timestamp
pub timestamp: U256,
/// Extra data
pub extra_data: Bytes,
/// Mix Hash
pub mix_hash: H256,
/// Nonce
pub nonce: Option<H64>,
/// Base fee per unit of gas (if past London)
#[serde(rename = "baseFeePerGas", skip_serializing_if = "Option::is_none")]
pub base_fee_per_gas: Option<U256>,
/// Withdrawals root hash added by EIP-4895 and is ignored in legacy headers.
#[serde(skip_serializing_if = "Option::is_none")]
pub withdrawals_root: Option<H256>,
/// Blob gas used
#[serde(rename = "blobGasUsed", skip_serializing_if = "Option::is_none")]
pub blob_gas_used: Option<U64>,
/// Excess blob gas
#[serde(rename = "excessBlobGas", skip_serializing_if = "Option::is_none")]
pub excess_blob_gas: Option<U64>,
/// Parent beacon block root
#[serde(rename = "parentBeaconBlockRoot", skip_serializing_if = "Option::is_none")]
pub parent_beacon_block_root: Option<H256>,
}
// === impl Header ===
impl Header {
/// Converts the primitive header type to this RPC type
///
/// CAUTION: this takes the header's hash as is and does _not_ calculate the hash.
pub fn from_primitive_with_hash(primitive_header: SealedHeader) -> Self {
let SealedHeader {
header:
PrimitiveHeader {
parent_hash,
ommers_hash,
beneficiary,
state_root,
transactions_root,
receipts_root,
logs_bloom,
difficulty,
number,
gas_limit,
gas_used,
timestamp,
mix_hash,
nonce,
base_fee_per_gas,
extra_data,
withdrawals_root,
blob_gas_used,
excess_blob_gas,
parent_beacon_block_root,
},
hash,
} = primitive_header;
Header {
hash: Some(hash),
parent_hash,
uncles_hash: ommers_hash,
miner: beneficiary,
state_root,
transactions_root,
receipts_root,
withdrawals_root,
number: Some(U256::from(number)),
gas_used: U256::from(gas_used),
gas_limit: U256::from(gas_limit),
extra_data,
logs_bloom,
timestamp: U256::from(timestamp),
difficulty,
mix_hash,
nonce: Some(nonce.to_be_bytes().into()),
base_fee_per_gas: base_fee_per_gas.map(U256::from),
blob_gas_used: blob_gas_used.map(U64::from),
excess_blob_gas: excess_blob_gas.map(U64::from),
parent_beacon_block_root,
}
}
}
/// A Block representation that allows to include additional fields
pub type RichBlock = Rich<Block>;
impl From<Block> for RichBlock {
fn from(block: Block) -> Self {
Rich { inner: block, extra_info: Default::default() }
}
}
/// Header representation with additional info.
pub type RichHeader = Rich<Header>;
impl From<Header> for RichHeader {
fn from(header: Header) -> Self {
Rich { inner: header, extra_info: Default::default() }
}
}
/// Value representation with additional info
#[derive(Debug, Clone, PartialEq, Eq, Deserialize)]
pub struct Rich<T> {
/// Standard value.
pub inner: T,
/// Additional fields that should be serialized into the `Block` object
#[serde(flatten)]
pub extra_info: BTreeMap<String, serde_json::Value>,
}
impl<T> Deref for Rich<T> {
type Target = T;
fn deref(&self) -> &Self::Target {
&self.inner
}
}
impl<T: Serialize> Serialize for Rich<T> {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
if self.extra_info.is_empty() {
return self.inner.serialize(serializer)
}
let inner = serde_json::to_value(&self.inner);
let extras = serde_json::to_value(&self.extra_info);
if let (Ok(serde_json::Value::Object(mut value)), Ok(serde_json::Value::Object(extras))) =
(inner, extras)
{
value.extend(extras);
value.serialize(serializer)
} else {
Err(S::Error::custom("Unserializable structures: expected objects"))
}
}
}
/// BlockOverrides is a set of header fields to override.
#[derive(Clone, Debug, PartialEq, Eq, Default, Serialize, Deserialize)]
#[serde(default, rename_all = "camelCase", deny_unknown_fields)]
#[allow(missing_docs)]
pub struct BlockOverrides {
#[serde(default, skip_serializing_if = "Option::is_none")]
pub number: Option<U256>,
#[serde(default, skip_serializing_if = "Option::is_none")]
pub difficulty: Option<U256>,
#[serde(default, skip_serializing_if = "Option::is_none")]
pub time: Option<U64>,
#[serde(default, skip_serializing_if = "Option::is_none")]
pub gas_limit: Option<U64>,
#[serde(default, skip_serializing_if = "Option::is_none")]
pub coinbase: Option<Address>,
#[serde(default, skip_serializing_if = "Option::is_none")]
pub random: Option<H256>,
#[serde(default, skip_serializing_if = "Option::is_none")]
pub base_fee: Option<U256>,
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_full_conversion() {
let full = true;
assert_eq!(BlockTransactionsKind::Full, full.into());
let full = false;
assert_eq!(BlockTransactionsKind::Hashes, full.into());
}
#[test]
#[cfg(feature = "jsonrpsee-types")]
fn serde_json_header() {
use jsonrpsee_types::SubscriptionResponse;
let resp = r#"{"jsonrpc":"2.0","method":"eth_subscribe","params":{"subscription":"0x7eef37ff35d471f8825b1c8f67a5d3c0","result":{"hash":"0x7a7ada12e140961a32395059597764416499f4178daf1917193fad7bd2cc6386","parentHash":"0xdedbd831f496e705e7f2ec3c8dcb79051040a360bf1455dbd7eb8ea6ad03b751","sha3Uncles":"0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347","miner":"0x0000000000000000000000000000000000000000","stateRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","transactionsRoot":"0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421","receiptsRoot":"0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421","number":"0x8","gasUsed":"0x0","gasLimit":"0x1c9c380","extraData":"0x","logsBloom":"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000","timestamp":"0x642aa48f","difficulty":"0x0","mixHash":"0x0000000000000000000000000000000000000000000000000000000000000000","nonce":"0x0000000000000000"}}}"#;
let _header: SubscriptionResponse<'_, Header> = serde_json::from_str(resp).unwrap();
let resp = r#"{"jsonrpc":"2.0","method":"eth_subscription","params":{"subscription":"0x1a14b6bdcf4542fabf71c4abee244e47","result":{"author":"0x000000568b9b5a365eaa767d42e74ed88915c204","difficulty":"0x1","extraData":"0x4e65746865726d696e6420312e392e32322d302d6463373666616366612d32308639ad8ff3d850a261f3b26bc2a55e0f3a718de0dd040a19a4ce37e7b473f2d7481448a1e1fd8fb69260825377c0478393e6055f471a5cf839467ce919a6ad2700","gasLimit":"0x7a1200","gasUsed":"0x0","hash":"0xa4856602944fdfd18c528ef93cc52a681b38d766a7e39c27a47488c8461adcb0","logsBloom":"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000","miner":"0x0000000000000000000000000000000000000000","mixHash":"0x0000000000000000000000000000000000000000000000000000000000000000","nonce":"0x0000000000000000","number":"0x434822","parentHash":"0x1a9bdc31fc785f8a95efeeb7ae58f40f6366b8e805f47447a52335c95f4ceb49","receiptsRoot":"0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421","sha3Uncles":"0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347","size":"0x261","stateRoot":"0xf38c4bf2958e541ec6df148e54ce073dc6b610f8613147ede568cb7b5c2d81ee","totalDifficulty":"0x633ebd","timestamp":"0x604726b0","transactions":[],"transactionsRoot":"0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421","uncles":[]}}}"#;
let _header: SubscriptionResponse<'_, Header> = serde_json::from_str(resp).unwrap();
}
#[test]
fn serde_block() {
let block = Block {
header: Header {
hash: Some(H256::from_low_u64_be(1)),
parent_hash: H256::from_low_u64_be(2),
uncles_hash: H256::from_low_u64_be(3),
miner: Address::from_low_u64_be(4),
state_root: H256::from_low_u64_be(5),
transactions_root: H256::from_low_u64_be(6),
receipts_root: H256::from_low_u64_be(7),
withdrawals_root: Some(H256::from_low_u64_be(8)),
number: Some(U256::from(9)),
gas_used: U256::from(10),
gas_limit: U256::from(11),
extra_data: Bytes::from(vec![1, 2, 3]),
logs_bloom: Bloom::default(),
timestamp: U256::from(12),
difficulty: U256::from(13),
mix_hash: H256::from_low_u64_be(14),
nonce: Some(H64::from_low_u64_be(15)),
base_fee_per_gas: Some(U256::from(20)),
blob_gas_used: None,
excess_blob_gas: None,
parent_beacon_block_root: None,
},
total_difficulty: Some(U256::from(100000)),
uncles: vec![H256::from_low_u64_be(17)],
transactions: BlockTransactions::Hashes(vec![H256::from_low_u64_be(18)]),
size: Some(U256::from(19)),
withdrawals: Some(vec![]),
};
let serialized = serde_json::to_string(&block).unwrap();
assert_eq!(
serialized,
r#"{"hash":"0x0000000000000000000000000000000000000000000000000000000000000001","parentHash":"0x0000000000000000000000000000000000000000000000000000000000000002","sha3Uncles":"0x0000000000000000000000000000000000000000000000000000000000000003","miner":"0x0000000000000000000000000000000000000004","stateRoot":"0x0000000000000000000000000000000000000000000000000000000000000005","transactionsRoot":"0x0000000000000000000000000000000000000000000000000000000000000006","receiptsRoot":"0x0000000000000000000000000000000000000000000000000000000000000007","logsBloom":"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000","difficulty":"0xd","number":"0x9","gasLimit":"0xb","gasUsed":"0xa","timestamp":"0xc","extraData":"0x010203","mixHash":"0x000000000000000000000000000000000000000000000000000000000000000e","nonce":"0x000000000000000f","baseFeePerGas":"0x14","withdrawalsRoot":"0x0000000000000000000000000000000000000000000000000000000000000008","totalDifficulty":"0x186a0","uncles":["0x0000000000000000000000000000000000000000000000000000000000000011"],"transactions":["0x0000000000000000000000000000000000000000000000000000000000000012"],"size":"0x13","withdrawals":[]}"#
);
let deserialized: Block = serde_json::from_str(&serialized).unwrap();
assert_eq!(block, deserialized);
}
#[test]
fn serde_block_with_withdrawals_set_as_none() {
let block = Block {
header: Header {
hash: Some(H256::from_low_u64_be(1)),
parent_hash: H256::from_low_u64_be(2),
uncles_hash: H256::from_low_u64_be(3),
miner: Address::from_low_u64_be(4),
state_root: H256::from_low_u64_be(5),
transactions_root: H256::from_low_u64_be(6),
receipts_root: H256::from_low_u64_be(7),
withdrawals_root: None,
number: Some(U256::from(9)),
gas_used: U256::from(10),
gas_limit: U256::from(11),
extra_data: Bytes::from(vec![1, 2, 3]),
logs_bloom: Bloom::default(),
timestamp: U256::from(12),
difficulty: U256::from(13),
mix_hash: H256::from_low_u64_be(14),
nonce: Some(H64::from_low_u64_be(15)),
base_fee_per_gas: Some(U256::from(20)),
blob_gas_used: None,
excess_blob_gas: None,
parent_beacon_block_root: None,
},
total_difficulty: Some(U256::from(100000)),
uncles: vec![H256::from_low_u64_be(17)],
transactions: BlockTransactions::Hashes(vec![H256::from_low_u64_be(18)]),
size: Some(U256::from(19)),
withdrawals: None,
};
let serialized = serde_json::to_string(&block).unwrap();
assert_eq!(
serialized,
r#"{"hash":"0x0000000000000000000000000000000000000000000000000000000000000001","parentHash":"0x0000000000000000000000000000000000000000000000000000000000000002","sha3Uncles":"0x0000000000000000000000000000000000000000000000000000000000000003","miner":"0x0000000000000000000000000000000000000004","stateRoot":"0x0000000000000000000000000000000000000000000000000000000000000005","transactionsRoot":"0x0000000000000000000000000000000000000000000000000000000000000006","receiptsRoot":"0x0000000000000000000000000000000000000000000000000000000000000007","logsBloom":"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000","difficulty":"0xd","number":"0x9","gasLimit":"0xb","gasUsed":"0xa","timestamp":"0xc","extraData":"0x010203","mixHash":"0x000000000000000000000000000000000000000000000000000000000000000e","nonce":"0x000000000000000f","baseFeePerGas":"0x14","totalDifficulty":"0x186a0","uncles":["0x0000000000000000000000000000000000000000000000000000000000000011"],"transactions":["0x0000000000000000000000000000000000000000000000000000000000000012"],"size":"0x13"}"#
);
let deserialized: Block = serde_json::from_str(&serialized).unwrap();
assert_eq!(block, deserialized);
}
}