351 lines
18 KiB
Rust
351 lines
18 KiB
Rust
// Copyright 2015-2017 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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use std::ops::Deref;
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use std::collections::BTreeMap;
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use ethcore::encoded::Header as EthHeader;
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use serde::{Serialize, Serializer};
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use serde::ser::Error;
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use v1::types::{Bytes, Transaction, H160, H256, H2048, U256};
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/// Block Transactions
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#[derive(Debug)]
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pub enum BlockTransactions {
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/// Only hashes
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Hashes(Vec<H256>),
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/// Full transactions
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Full(Vec<Transaction>)
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}
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impl Serialize for BlockTransactions {
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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
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where S: Serializer {
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match *self {
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BlockTransactions::Hashes(ref hashes) => hashes.serialize(serializer),
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BlockTransactions::Full(ref ts) => ts.serialize(serializer)
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}
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}
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}
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/// Block representation
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#[derive(Debug, Serialize)]
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pub struct Block {
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/// Hash of the block
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pub hash: Option<H256>,
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/// Hash of the parent
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#[serde(rename="parentHash")]
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pub parent_hash: H256,
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/// Hash of the uncles
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#[serde(rename="sha3Uncles")]
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pub uncles_hash: H256,
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/// Authors address
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pub author: H160,
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// TODO: get rid of this one
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/// ?
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pub miner: H160,
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/// State root hash
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#[serde(rename="stateRoot")]
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pub state_root: H256,
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/// Transactions root hash
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#[serde(rename="transactionsRoot")]
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pub transactions_root: H256,
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/// Transactions receipts root hash
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#[serde(rename="receiptsRoot")]
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pub receipts_root: H256,
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/// Block number
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pub number: Option<U256>,
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/// Gas Used
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#[serde(rename="gasUsed")]
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pub gas_used: U256,
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/// Gas Limit
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#[serde(rename="gasLimit")]
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pub gas_limit: U256,
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/// Extra data
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#[serde(rename="extraData")]
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pub extra_data: Bytes,
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/// Logs bloom
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#[serde(rename="logsBloom")]
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pub logs_bloom: H2048,
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/// Timestamp
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pub timestamp: U256,
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/// Difficulty
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pub difficulty: U256,
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/// Total difficulty
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#[serde(rename="totalDifficulty")]
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pub total_difficulty: Option<U256>,
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/// Seal fields
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#[serde(rename="sealFields")]
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pub seal_fields: Vec<Bytes>,
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/// Uncles' hashes
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pub uncles: Vec<H256>,
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/// Transactions
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pub transactions: BlockTransactions,
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/// Size in bytes
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pub size: Option<U256>,
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}
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/// Block header representation.
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#[derive(Debug, Serialize, PartialEq, Eq)]
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pub struct Header {
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/// Hash of the block
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pub hash: Option<H256>,
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/// Hash of the parent
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#[serde(rename="parentHash")]
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pub parent_hash: H256,
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/// Hash of the uncles
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#[serde(rename="sha3Uncles")]
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pub uncles_hash: H256,
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/// Authors address
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pub author: H160,
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// TODO: get rid of this one
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/// ?
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pub miner: H160,
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/// State root hash
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#[serde(rename="stateRoot")]
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pub state_root: H256,
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/// Transactions root hash
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#[serde(rename="transactionsRoot")]
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pub transactions_root: H256,
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/// Transactions receipts root hash
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#[serde(rename="receiptsRoot")]
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pub receipts_root: H256,
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/// Block number
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pub number: Option<U256>,
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/// Gas Used
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#[serde(rename="gasUsed")]
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pub gas_used: U256,
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/// Gas Limit
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#[serde(rename="gasLimit")]
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pub gas_limit: U256,
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/// Extra data
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#[serde(rename="extraData")]
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pub extra_data: Bytes,
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/// Logs bloom
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#[serde(rename="logsBloom")]
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pub logs_bloom: H2048,
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/// Timestamp
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pub timestamp: U256,
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/// Difficulty
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pub difficulty: U256,
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/// Seal fields
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#[serde(rename="sealFields")]
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pub seal_fields: Vec<Bytes>,
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/// Size in bytes
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pub size: Option<U256>,
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}
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impl From<EthHeader> for Header {
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fn from(h: EthHeader) -> Self {
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(&h).into()
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}
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}
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impl<'a> From<&'a EthHeader> for Header {
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fn from(h: &'a EthHeader) -> Self {
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Header {
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hash: Some(h.hash().into()),
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size: Some(h.rlp().as_raw().len().into()),
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parent_hash: h.parent_hash().into(),
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uncles_hash: h.uncles_hash().into(),
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author: h.author().into(),
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miner: h.author().into(),
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state_root: h.state_root().into(),
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transactions_root: h.transactions_root().into(),
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receipts_root: h.receipts_root().into(),
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number: Some(h.number().into()),
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gas_used: h.gas_used().into(),
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gas_limit: h.gas_limit().into(),
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logs_bloom: h.log_bloom().into(),
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timestamp: h.timestamp().into(),
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difficulty: h.difficulty().into(),
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seal_fields: h.seal().into_iter().map(Into::into).collect(),
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extra_data: h.extra_data().into(),
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}
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}
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}
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/// Block representation with additional info.
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pub type RichBlock = Rich<Block>;
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/// Header representation with additional info.
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pub type RichHeader = Rich<Header>;
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/// Value representation with additional info
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#[derive(Debug, PartialEq, Eq)]
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pub struct Rich<T> {
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/// Standard value.
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pub inner: T,
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/// Engine-specific fields with additional description.
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/// Should be included directly to serialized block object.
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// TODO [ToDr] #[serde(skip_serializing)]
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pub extra_info: BTreeMap<String, String>,
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}
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impl<T> Deref for Rich<T> {
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type Target = T;
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fn deref(&self) -> &Self::Target {
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&self.inner
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}
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}
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impl<T: Serialize> Serialize for Rich<T> {
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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where S: Serializer {
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use serde_json::{to_value, Value};
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let serialized = (to_value(&self.inner), to_value(&self.extra_info));
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if let (Ok(Value::Object(mut value)), Ok(Value::Object(extras))) = serialized {
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// join two objects
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value.extend(extras);
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// and serialize
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value.serialize(serializer)
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} else {
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Err(S::Error::custom("Unserializable structures."))
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}
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}
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}
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#[cfg(test)]
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mod tests {
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use std::collections::BTreeMap;
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use serde_json;
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use v1::types::{Transaction, H64, H160, H256, H2048, Bytes, U256};
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use super::{Block, RichBlock, BlockTransactions, Header, RichHeader};
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#[test]
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fn test_serialize_block_transactions() {
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let t = BlockTransactions::Full(vec![Transaction::default()]);
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let serialized = serde_json::to_string(&t).unwrap();
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assert_eq!(serialized, r#"[{"hash":"0x0000000000000000000000000000000000000000000000000000000000000000","nonce":"0x0","blockHash":null,"blockNumber":null,"transactionIndex":null,"from":"0x0000000000000000000000000000000000000000","to":null,"value":"0x0","gasPrice":"0x0","gas":"0x0","input":"0x","creates":null,"raw":"0x","publicKey":null,"networkId":null,"standardV":"0x0","v":"0x0","r":"0x0","s":"0x0","condition":null}]"#);
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let t = BlockTransactions::Hashes(vec![H256::default().into()]);
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let serialized = serde_json::to_string(&t).unwrap();
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assert_eq!(serialized, r#"["0x0000000000000000000000000000000000000000000000000000000000000000"]"#);
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}
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#[test]
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fn test_serialize_block() {
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let block = Block {
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hash: Some(H256::default()),
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parent_hash: H256::default(),
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uncles_hash: H256::default(),
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author: H160::default(),
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miner: H160::default(),
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state_root: H256::default(),
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transactions_root: H256::default(),
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receipts_root: H256::default(),
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number: Some(U256::default()),
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gas_used: U256::default(),
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gas_limit: U256::default(),
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extra_data: Bytes::default(),
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logs_bloom: H2048::default(),
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timestamp: U256::default(),
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difficulty: U256::default(),
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total_difficulty: Some(U256::default()),
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seal_fields: vec![Bytes::default(), Bytes::default()],
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uncles: vec![],
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transactions: BlockTransactions::Hashes(vec![].into()),
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size: Some(69.into()),
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};
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let serialized_block = serde_json::to_string(&block).unwrap();
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let rich_block = RichBlock {
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inner: block,
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extra_info: map![
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"mixHash".into() => format!("0x{:?}", H256::default()),
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"nonce".into() => format!("0x{:?}", H64::default())
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],
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};
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let serialized_rich_block = serde_json::to_string(&rich_block).unwrap();
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assert_eq!(serialized_block, r#"{"hash":"0x0000000000000000000000000000000000000000000000000000000000000000","parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000","sha3Uncles":"0x0000000000000000000000000000000000000000000000000000000000000000","author":"0x0000000000000000000000000000000000000000","miner":"0x0000000000000000000000000000000000000000","stateRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","transactionsRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","receiptsRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","number":"0x0","gasUsed":"0x0","gasLimit":"0x0","extraData":"0x","logsBloom":"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000","timestamp":"0x0","difficulty":"0x0","totalDifficulty":"0x0","sealFields":["0x","0x"],"uncles":[],"transactions":[],"size":"0x45"}"#);
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assert_eq!(serialized_rich_block, r#"{"author":"0x0000000000000000000000000000000000000000","difficulty":"0x0","extraData":"0x","gasLimit":"0x0","gasUsed":"0x0","hash":"0x0000000000000000000000000000000000000000000000000000000000000000","logsBloom":"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000","miner":"0x0000000000000000000000000000000000000000","mixHash":"0x0000000000000000000000000000000000000000000000000000000000000000","nonce":"0x0000000000000000","number":"0x0","parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000","receiptsRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","sealFields":["0x","0x"],"sha3Uncles":"0x0000000000000000000000000000000000000000000000000000000000000000","size":"0x45","stateRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","timestamp":"0x0","totalDifficulty":"0x0","transactions":[],"transactionsRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","uncles":[]}"#);
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}
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#[test]
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fn none_size_null() {
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let block = Block {
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hash: Some(H256::default()),
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parent_hash: H256::default(),
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uncles_hash: H256::default(),
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author: H160::default(),
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miner: H160::default(),
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state_root: H256::default(),
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transactions_root: H256::default(),
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receipts_root: H256::default(),
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number: Some(U256::default()),
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gas_used: U256::default(),
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gas_limit: U256::default(),
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extra_data: Bytes::default(),
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logs_bloom: H2048::default(),
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timestamp: U256::default(),
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difficulty: U256::default(),
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total_difficulty: Some(U256::default()),
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seal_fields: vec![Bytes::default(), Bytes::default()],
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uncles: vec![],
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transactions: BlockTransactions::Hashes(vec![].into()),
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size: None,
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};
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let serialized_block = serde_json::to_string(&block).unwrap();
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let rich_block = RichBlock {
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inner: block,
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extra_info: map![
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"mixHash".into() => format!("0x{:?}", H256::default()),
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"nonce".into() => format!("0x{:?}", H64::default())
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],
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};
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let serialized_rich_block = serde_json::to_string(&rich_block).unwrap();
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assert_eq!(serialized_block, r#"{"hash":"0x0000000000000000000000000000000000000000000000000000000000000000","parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000","sha3Uncles":"0x0000000000000000000000000000000000000000000000000000000000000000","author":"0x0000000000000000000000000000000000000000","miner":"0x0000000000000000000000000000000000000000","stateRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","transactionsRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","receiptsRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","number":"0x0","gasUsed":"0x0","gasLimit":"0x0","extraData":"0x","logsBloom":"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000","timestamp":"0x0","difficulty":"0x0","totalDifficulty":"0x0","sealFields":["0x","0x"],"uncles":[],"transactions":[],"size":null}"#);
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assert_eq!(serialized_rich_block, r#"{"author":"0x0000000000000000000000000000000000000000","difficulty":"0x0","extraData":"0x","gasLimit":"0x0","gasUsed":"0x0","hash":"0x0000000000000000000000000000000000000000000000000000000000000000","logsBloom":"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000","miner":"0x0000000000000000000000000000000000000000","mixHash":"0x0000000000000000000000000000000000000000000000000000000000000000","nonce":"0x0000000000000000","number":"0x0","parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000","receiptsRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","sealFields":["0x","0x"],"sha3Uncles":"0x0000000000000000000000000000000000000000000000000000000000000000","size":null,"stateRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","timestamp":"0x0","totalDifficulty":"0x0","transactions":[],"transactionsRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","uncles":[]}"#);
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}
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#[test]
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fn test_serialize_header() {
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let header = Header {
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hash: Some(H256::default()),
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parent_hash: H256::default(),
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uncles_hash: H256::default(),
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author: H160::default(),
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miner: H160::default(),
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state_root: H256::default(),
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transactions_root: H256::default(),
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receipts_root: H256::default(),
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number: Some(U256::default()),
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gas_used: U256::default(),
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gas_limit: U256::default(),
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extra_data: Bytes::default(),
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logs_bloom: H2048::default(),
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timestamp: U256::default(),
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difficulty: U256::default(),
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seal_fields: vec![Bytes::default(), Bytes::default()],
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size: Some(69.into()),
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};
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let serialized_header = serde_json::to_string(&header).unwrap();
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let rich_header = RichHeader {
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inner: header,
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extra_info: map![
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"mixHash".into() => format!("0x{:?}", H256::default()),
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"nonce".into() => format!("0x{:?}", H64::default())
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],
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};
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let serialized_rich_header = serde_json::to_string(&rich_header).unwrap();
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assert_eq!(serialized_header, r#"{"hash":"0x0000000000000000000000000000000000000000000000000000000000000000","parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000","sha3Uncles":"0x0000000000000000000000000000000000000000000000000000000000000000","author":"0x0000000000000000000000000000000000000000","miner":"0x0000000000000000000000000000000000000000","stateRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","transactionsRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","receiptsRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","number":"0x0","gasUsed":"0x0","gasLimit":"0x0","extraData":"0x","logsBloom":"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000","timestamp":"0x0","difficulty":"0x0","sealFields":["0x","0x"],"size":"0x45"}"#);
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assert_eq!(serialized_rich_header, r#"{"author":"0x0000000000000000000000000000000000000000","difficulty":"0x0","extraData":"0x","gasLimit":"0x0","gasUsed":"0x0","hash":"0x0000000000000000000000000000000000000000000000000000000000000000","logsBloom":"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000","miner":"0x0000000000000000000000000000000000000000","mixHash":"0x0000000000000000000000000000000000000000000000000000000000000000","nonce":"0x0000000000000000","number":"0x0","parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000","receiptsRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","sealFields":["0x","0x"],"sha3Uncles":"0x0000000000000000000000000000000000000000000000000000000000000000","size":"0x45","stateRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","timestamp":"0x0","transactionsRoot":"0x0000000000000000000000000000000000000000000000000000000000000000"}"#);
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}
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}
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