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blocks.rs
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blocks.rs
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//! Implements the `GetBlockHeaders`, `GetBlockBodies`, `BlockHeaders`, and `BlockBodies` message
//! types.
use reth_codecs::derive_arbitrary;
use reth_primitives::{BlockBody, BlockHashOrNumber, Header, HeadersDirection, H256};
use reth_rlp::{RlpDecodable, RlpDecodableWrapper, RlpEncodable, RlpEncodableWrapper};
#[cfg(feature = "serde")]
use serde::{Deserialize, Serialize};
/// A request for a peer to return block headers starting at the requested block.
/// The peer must return at most [`limit`](#structfield.limit) headers.
/// If the [`reverse`](#structfield.reverse) field is `true`, the headers will be returned starting
/// at [`start_block`](#structfield.start_block), traversing towards the genesis block.
/// Otherwise, headers will be returned starting at [`start_block`](#structfield.start_block),
/// traversing towards the latest block.
///
/// If the [`skip`](#structfield.skip) field is non-zero, the peer must skip that amount of headers
/// in the direction specified by [`reverse`](#structfield.reverse).
#[derive_arbitrary(rlp)]
#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, RlpEncodable, RlpDecodable)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct GetBlockHeaders {
/// The block number or hash that the peer should start returning headers from.
pub start_block: BlockHashOrNumber,
/// The maximum number of headers to return.
pub limit: u64,
/// The number of blocks that the node should skip while traversing and returning headers.
/// A skip value of zero denotes that the peer should return contiguous heaaders, starting from
/// [`start_block`](#structfield.start_block) and returning at most
/// [`limit`](#structfield.limit) headers.
pub skip: u32,
/// The direction in which the headers should be returned in.
pub direction: HeadersDirection,
}
/// The response to [`GetBlockHeaders`], containing headers if any headers were found.
#[derive_arbitrary(rlp)]
#[derive(Clone, Debug, PartialEq, Eq, RlpEncodableWrapper, RlpDecodableWrapper, Default)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct BlockHeaders(
/// The requested headers.
pub Vec<Header>,
);
impl From<Vec<Header>> for BlockHeaders {
fn from(headers: Vec<Header>) -> Self {
BlockHeaders(headers)
}
}
/// A request for a peer to return block bodies for the given block hashes.
#[derive_arbitrary(rlp)]
#[derive(Clone, Debug, PartialEq, Eq, RlpEncodableWrapper, RlpDecodableWrapper, Default)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct GetBlockBodies(
/// The block hashes to request bodies for.
pub Vec<H256>,
);
impl From<Vec<H256>> for GetBlockBodies {
fn from(hashes: Vec<H256>) -> Self {
GetBlockBodies(hashes)
}
}
/// The response to [`GetBlockBodies`], containing the block bodies that the peer knows about if
/// any were found.
#[derive_arbitrary(rlp, 16)]
#[derive(Clone, Debug, PartialEq, Eq, RlpEncodableWrapper, RlpDecodableWrapper, Default)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct BlockBodies(
/// The requested block bodies, each of which should correspond to a hash in the request.
#[cfg_attr(
any(test, feature = "arbitrary"),
proptest(
strategy = "proptest::collection::vec(proptest::arbitrary::any::<BlockBody>(), 0..=20)"
)
)]
pub Vec<BlockBody>,
);
impl From<Vec<BlockBody>> for BlockBodies {
fn from(bodies: Vec<BlockBody>) -> Self {
BlockBodies(bodies)
}
}
#[cfg(test)]
mod test {
use crate::types::{
message::RequestPair, BlockBodies, BlockHeaders, GetBlockBodies, GetBlockHeaders,
};
use hex_literal::hex;
use reth_primitives::{
BlockHashOrNumber, Header, HeadersDirection, Signature, Transaction, TransactionKind,
TransactionSigned, TxLegacy, U256,
};
use reth_rlp::{Decodable, Encodable};
use std::str::FromStr;
use super::BlockBody;
#[test]
fn decode_hash() {
// this is a valid 32 byte rlp string
let rlp = hex!("a0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
let decoded_number = BlockHashOrNumber::decode(&mut &rlp[..]).unwrap();
let full_bytes = [0xff; 32].into();
let expected = BlockHashOrNumber::Hash(full_bytes);
assert_eq!(expected, decoded_number);
}
#[test]
fn decode_number() {
// this is a valid 64 bit number
let rlp = hex!("88ffffffffffffffff");
let decoded_number = BlockHashOrNumber::decode(&mut &rlp[..]).unwrap();
let expected = BlockHashOrNumber::Number(u64::MAX);
assert_eq!(expected, decoded_number);
}
#[test]
fn decode_largest_single_byte() {
// the largest single byte is 0x7f, so we should be able to decode this into a u64
let rlp = hex!("7f");
let decoded_number = BlockHashOrNumber::decode(&mut &rlp[..]).unwrap();
let expected = BlockHashOrNumber::Number(0x7fu64);
assert_eq!(expected, decoded_number);
}
#[test]
fn decode_long_hash() {
// let's try a 33 byte long string
// 0xa1 = 0x80 (start of string) + 0x21 (33, length of string)
let long_rlp = hex!("a1ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
let decode_result = BlockHashOrNumber::decode(&mut &long_rlp[..]);
if decode_result.is_ok() {
panic!("Decoding a bytestring longer than 32 bytes should not decode successfully");
}
}
#[test]
fn decode_long_number() {
// let's try a 72 bit number
// 0x89 = 0x80 (start of string) + 0x09 (9, length of string)
let long_number = hex!("89ffffffffffffffffff");
let decode_result = BlockHashOrNumber::decode(&mut &long_number[..]);
if decode_result.is_ok() {
panic!("Decoding a number longer than 64 bits (but not exactly 32 bytes) should not decode successfully");
}
}
#[test]
// Test vector from: https://eips.ethereum.org/EIPS/eip-2481
fn encode_get_block_header() {
let expected = hex!(
"e8820457e4a000000000000000000000000000000000000000000000000000000000deadc0de050580"
);
let mut data = vec![];
RequestPair::<GetBlockHeaders> {
request_id: 1111,
message: GetBlockHeaders {
start_block: BlockHashOrNumber::Hash(
hex!("00000000000000000000000000000000000000000000000000000000deadc0de").into(),
),
limit: 5,
skip: 5,
direction: HeadersDirection::Rising,
},
}
.encode(&mut data);
assert_eq!(data, expected);
}
#[test]
// Test vector from: https://eips.ethereum.org/EIPS/eip-2481
fn decode_get_block_header() {
let data = hex!(
"e8820457e4a000000000000000000000000000000000000000000000000000000000deadc0de050580"
);
let expected = RequestPair::<GetBlockHeaders> {
request_id: 1111,
message: GetBlockHeaders {
start_block: BlockHashOrNumber::Hash(
hex!("00000000000000000000000000000000000000000000000000000000deadc0de").into(),
),
limit: 5,
skip: 5,
direction: HeadersDirection::Rising,
},
};
let result = RequestPair::decode(&mut &data[..]);
assert_eq!(result.unwrap(), expected);
}
#[test]
// Test vector from: https://eips.ethereum.org/EIPS/eip-2481
fn encode_get_block_header_number() {
let expected = hex!("ca820457c682270f050580");
let mut data = vec![];
RequestPair::<GetBlockHeaders> {
request_id: 1111,
message: GetBlockHeaders {
start_block: BlockHashOrNumber::Number(9999),
limit: 5,
skip: 5,
direction: HeadersDirection::Rising,
},
}
.encode(&mut data);
assert_eq!(data, expected);
}
#[test]
// Test vector from: https://eips.ethereum.org/EIPS/eip-2481
fn decode_get_block_header_number() {
let data = hex!("ca820457c682270f050580");
let expected = RequestPair::<GetBlockHeaders> {
request_id: 1111,
message: GetBlockHeaders {
start_block: BlockHashOrNumber::Number(9999),
limit: 5,
skip: 5,
direction: HeadersDirection::Rising,
},
};
let result = RequestPair::decode(&mut &data[..]);
assert_eq!(result.unwrap(), expected);
}
#[test]
// Test vector from: https://eips.ethereum.org/EIPS/eip-2481
fn encode_block_header() {
// [ (f90202) 0x0457 = 1111, [ (f901fc) [ (f901f9) header ] ] ]
let expected = hex!("f90202820457f901fcf901f9a00000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000000940000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000000b90100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008208ae820d0582115c8215b3821a0a827788a00000000000000000000000000000000000000000000000000000000000000000880000000000000000");
let mut data = vec![];
RequestPair::<BlockHeaders> {
request_id: 1111,
message: BlockHeaders(vec![
Header {
parent_hash: hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
ommers_hash: hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
beneficiary: hex!("0000000000000000000000000000000000000000").into(),
state_root: hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
transactions_root: hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
receipts_root: hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
logs_bloom: hex!("00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000").into(),
difficulty: U256::from(0x8aeu64),
number: 0xd05u64,
gas_limit: 0x115cu64,
gas_used: 0x15b3u64,
timestamp: 0x1a0au64,
extra_data: hex!("7788")[..].into(),
mix_hash: hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
nonce: 0x0000000000000000u64,
base_fee_per_gas: None,
withdrawals_root: None,
blob_gas_used: None,
excess_blob_gas: None,
parent_beacon_block_root: None,
},
]),
}.encode(&mut data);
assert_eq!(data, expected);
}
#[test]
// Test vector from: https://eips.ethereum.org/EIPS/eip-2481
fn decode_block_header() {
let data = hex!("f90202820457f901fcf901f9a00000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000000940000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000000b90100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008208ae820d0582115c8215b3821a0a827788a00000000000000000000000000000000000000000000000000000000000000000880000000000000000");
let expected = RequestPair::<BlockHeaders> {
request_id: 1111,
message: BlockHeaders(vec![
Header {
parent_hash: hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
ommers_hash: hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
beneficiary: hex!("0000000000000000000000000000000000000000").into(),
state_root: hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
transactions_root: hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
receipts_root: hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
logs_bloom: hex!("00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000").into(),
difficulty: U256::from(0x8aeu64),
number: 0xd05u64,
gas_limit: 0x115cu64,
gas_used: 0x15b3u64,
timestamp: 0x1a0au64,
extra_data: hex!("7788")[..].into(),
mix_hash: hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
nonce: 0x0000000000000000u64,
base_fee_per_gas: None,
withdrawals_root: None,
blob_gas_used: None,
excess_blob_gas: None,
parent_beacon_block_root: None,
},
]),
};
let result = RequestPair::decode(&mut &data[..]);
assert_eq!(result.unwrap(), expected);
}
#[test]
// Test vector from: https://eips.ethereum.org/EIPS/eip-2481
fn encode_get_block_bodies() {
let expected = hex!("f847820457f842a000000000000000000000000000000000000000000000000000000000deadc0dea000000000000000000000000000000000000000000000000000000000feedbeef");
let mut data = vec![];
RequestPair::<GetBlockBodies> {
request_id: 1111,
message: GetBlockBodies(vec![
hex!("00000000000000000000000000000000000000000000000000000000deadc0de").into(),
hex!("00000000000000000000000000000000000000000000000000000000feedbeef").into(),
]),
}
.encode(&mut data);
assert_eq!(data, expected);
}
#[test]
// Test vector from: https://eips.ethereum.org/EIPS/eip-2481
fn decode_get_block_bodies() {
let data = hex!("f847820457f842a000000000000000000000000000000000000000000000000000000000deadc0dea000000000000000000000000000000000000000000000000000000000feedbeef");
let expected = RequestPair::<GetBlockBodies> {
request_id: 1111,
message: GetBlockBodies(vec![
hex!("00000000000000000000000000000000000000000000000000000000deadc0de").into(),
hex!("00000000000000000000000000000000000000000000000000000000feedbeef").into(),
]),
};
let result = RequestPair::decode(&mut &data[..]);
assert_eq!(result.unwrap(), expected);
}
#[test]
// Test vector from: https://eips.ethereum.org/EIPS/eip-2481
fn encode_block_bodies() {
let expected =
hex!("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"
);
let mut data = vec![];
let request = RequestPair::<BlockBodies> {
request_id: 1111,
message: BlockBodies(vec![
BlockBody {
transactions: vec![
TransactionSigned::from_transaction_and_signature(Transaction::Legacy(TxLegacy {
chain_id: Some(1),
nonce: 0x8u64,
gas_price: 0x4a817c808,
gas_limit: 0x2e248u64,
to:
TransactionKind::Call(hex!("3535353535353535353535353535353535353535").into()),
value: 0x200u64.into(),
input: Default::default(),
}),
Signature {
odd_y_parity: false,
r:
U256::from_str("0x64b1702d9298fee62dfeccc57d322a463ad55ca201256d01f62b45b2e1c21c12").unwrap(),
s:
U256::from_str("0x64b1702d9298fee62dfeccc57d322a463ad55ca201256d01f62b45b2e1c21c10").unwrap(),
}
),
TransactionSigned::from_transaction_and_signature(Transaction::Legacy(TxLegacy {
chain_id: Some(1),
nonce: 0x9u64,
gas_price: 0x4a817c809,
gas_limit: 0x33450u64,
to:
TransactionKind::Call(hex!("3535353535353535353535353535353535353535").into()),
value: 0x2d9u64.into(),
input: Default::default(),
}), Signature {
odd_y_parity: false,
r:
U256::from_str("0x52f8f61201b2b11a78d6e866abc9c3db2ae8631fa656bfe5cb53668255367afb").unwrap(),
s:
U256::from_str("0x52f8f61201b2b11a78d6e866abc9c3db2ae8631fa656bfe5cb53668255367afb").unwrap(),
},
),
],
ommers: vec![
Header {
parent_hash:
hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
ommers_hash:
hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
beneficiary: hex!("0000000000000000000000000000000000000000").into(),
state_root:
hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
transactions_root:
hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
receipts_root:
hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
logs_bloom:
hex!("00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
).into(), difficulty: U256::from(0x8aeu64),
number: 0xd05u64,
gas_limit: 0x115cu64,
gas_used: 0x15b3u64,
timestamp: 0x1a0au64,
extra_data: hex!("7788")[..].into(),
mix_hash:
hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
nonce: 0x0000000000000000u64,
base_fee_per_gas: None,
withdrawals_root: None,
blob_gas_used: None,
excess_blob_gas: None,
parent_beacon_block_root: None,
},
],
withdrawals: None,
}
]),
};
request.encode(&mut data);
assert_eq!(data, expected);
}
#[test]
// Test vector from: https://eips.ethereum.org/EIPS/eip-2481
fn decode_block_bodies() {
let data =
hex!("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"
);
let expected = RequestPair::<BlockBodies> {
request_id: 1111,
message: BlockBodies(vec![
BlockBody {
transactions: vec![
TransactionSigned::from_transaction_and_signature(Transaction::Legacy(TxLegacy {
chain_id: Some(1),
nonce: 0x8u64,
gas_price: 0x4a817c808,
gas_limit: 0x2e248u64,
to:
TransactionKind::Call(hex!("3535353535353535353535353535353535353535").into()),
value: 0x200u64.into(),
input: Default::default(),
}),
Signature {
odd_y_parity: false,
r:
U256::from_str("0x64b1702d9298fee62dfeccc57d322a463ad55ca201256d01f62b45b2e1c21c12").unwrap(),
s:
U256::from_str("0x64b1702d9298fee62dfeccc57d322a463ad55ca201256d01f62b45b2e1c21c10").unwrap(),
}
),
TransactionSigned::from_transaction_and_signature(Transaction::Legacy(TxLegacy {
chain_id: Some(1),
nonce: 0x9u64,
gas_price: 0x4a817c809,
gas_limit: 0x33450u64,
to:
TransactionKind::Call(hex!("3535353535353535353535353535353535353535").into()),
value: 0x2d9u64.into(),
input: Default::default(),
}),
Signature {
odd_y_parity: false,
r:
U256::from_str("0x52f8f61201b2b11a78d6e866abc9c3db2ae8631fa656bfe5cb53668255367afb").unwrap(),
s:
U256::from_str("0x52f8f61201b2b11a78d6e866abc9c3db2ae8631fa656bfe5cb53668255367afb").unwrap(),
},
),
],
ommers: vec![
Header {
parent_hash:
hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
ommers_hash:
hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
beneficiary: hex!("0000000000000000000000000000000000000000").into(),
state_root:
hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
transactions_root:
hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
receipts_root:
hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
logs_bloom:
hex!("00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
).into(), difficulty: U256::from(0x8aeu64),
number: 0xd05u64,
gas_limit: 0x115cu64,
gas_used: 0x15b3u64,
timestamp: 0x1a0au64,
extra_data: hex!("7788")[..].into(),
mix_hash:
hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
nonce: 0x0000000000000000u64,
base_fee_per_gas: None,
withdrawals_root: None,
blob_gas_used: None,
excess_blob_gas: None,
parent_beacon_block_root: None,
},
],
withdrawals: None,
}
]),
};
let result = RequestPair::decode(&mut &data[..]).unwrap();
assert_eq!(result, expected);
}
}