17834551818

Committed 18 Sep 2025 04:04PM UTC coverage: 60.651% (-0.3%) from 60.975%

Build # 17834551818

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push

github

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SWvheerden

Commit Message

chore: new release v5.1.0-pre.1

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/base_layer/node_components/src/blocks/new_block_template.rs

// Copyright 2019. The Tari Project
//
// Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
// following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following
// disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
// following disclaimer in the documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote
// products derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
// USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

use std::fmt::{Display, Formatter};

use borsh::{BorshDeserialize, BorshSerialize};
use serde::{Deserialize, Serialize};
use tari_transaction_components::{
    aggregated_body::AggregateBody,
    tari_proof_of_work::Difficulty,
    transaction_components::TransactionError,
    MicroMinotari,
};

use crate::blocks::{new_blockheader_template::NewBlockHeaderTemplate, Block};
/// The new block template is used constructing a new partial block, allowing a miner to added the coinbase utxo and as
/// a final step the Base node to add the MMR roots to the header.
#[derive(Clone, Debug, Serialize, Deserialize, BorshSerialize, BorshDeserialize)]
pub struct NewBlockTemplate {
    /// The NewBlockHeaderTemplate is used for the construction of a new mineable block. It contains all the metadata
    /// for the block that the Base Node is able to complete on behalf of a Miner.
    pub header: NewBlockHeaderTemplate,
    /// This flag indicates if the inputs, outputs and kernels have been sorted internally, that is, the sort() method
    /// has been called. This may be false even if all components are sorted.
    pub body: AggregateBody,
    /// The difficulty is defined as the maximum target divided by the block hash.
    pub target_difficulty: Difficulty,
    /// The reward is the sum of the coinbase utxo and the total fees.
    pub reward: MicroMinotari,
    /// The total fees is the sum of all the fees in the block.
    pub total_fees: MicroMinotari,
    /// Sometimes the mempool has not synced to the latest tip, this flag indicates if the mempool is out of sync.
    /// In most cases the next call to get_new_block_template will return a block with the mempool in sync.
    pub is_mempool_in_sync: bool,
}

impl NewBlockTemplate {
    pub fn from_block(
        block: Block,
        target_difficulty: Difficulty,
        reward: MicroMinotari,
        is_mempool_in_sync: bool,
    ) -> Result<Self, TransactionError> {
        let Block { header, body } = block;
        let total_fees = body.get_total_fee()?;
        Ok(Self {
            header: NewBlockHeaderTemplate::from_header(header),
            body,
            target_difficulty,
            reward,
            total_fees,
            is_mempool_in_sync,
        })
    }

    pub fn empty() -> Self {
        Self {
            header: NewBlockHeaderTemplate::empty(),
            body: AggregateBody::empty(),
            target_difficulty: Difficulty::default(),
            reward: MicroMinotari::default(),
            total_fees: MicroMinotari::default(),
            is_mempool_in_sync: false,
        }
    }
}

impl Display for NewBlockTemplate {
    fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), std::fmt::Error> {
        writeln!(f, "----------------- Block template-----------------")?;
        writeln!(f, "--- Header ---")?;
        writeln!(f, "{}", self.header)?;
        writeln!(f, "---  Body ---")?;
        writeln!(f, "{}", self.body)?;
        writeln!(
            f,
            "Target difficulty: {}\nReward: {}\nTotal fees: {}",
            self.target_difficulty, self.reward, self.total_fees
        )?;
        Ok(())
    }
}

1	// Copyright 2019. The Tari Project
2	//
3	// Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
4	// following conditions are met:
5	//
6	// 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following
7	// disclaimer.
8	//
9	// 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
10	// following disclaimer in the documentation and/or other materials provided with the distribution.
11	//
12	// 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote
13	// products derived from this software without specific prior written permission.
14	//
15	// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
16	// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17	// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
18	// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
19	// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
20	// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
21	// USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
22
23	use std::fmt::{Display, Formatter};
24
25	use borsh::{BorshDeserialize, BorshSerialize};
26	use serde::{Deserialize, Serialize};
27	use tari_transaction_components::{
28	aggregated_body::AggregateBody,
29	tari_proof_of_work::Difficulty,
30	transaction_components::TransactionError,
31	MicroMinotari,
32	};
33
34	use crate::blocks::{new_blockheader_template::NewBlockHeaderTemplate, Block};
35	/// The new block template is used constructing a new partial block, allowing a miner to added the coinbase utxo and as
36	/// a final step the Base node to add the MMR roots to the header.
37	#[derive(Clone, Debug, Serialize, Deserialize, BorshSerialize, BorshDeserialize)]	×
38	pub struct NewBlockTemplate {
39	/// The NewBlockHeaderTemplate is used for the construction of a new mineable block. It contains all the metadata
40	/// for the block that the Base Node is able to complete on behalf of a Miner.
41	pub header: NewBlockHeaderTemplate,
42	/// This flag indicates if the inputs, outputs and kernels have been sorted internally, that is, the sort() method
43	/// has been called. This may be false even if all components are sorted.
44	pub body: AggregateBody,
45	/// The difficulty is defined as the maximum target divided by the block hash.
46	pub target_difficulty: Difficulty,
47	/// The reward is the sum of the coinbase utxo and the total fees.
48	pub reward: MicroMinotari,
49	/// The total fees is the sum of all the fees in the block.
50	pub total_fees: MicroMinotari,
51	/// Sometimes the mempool has not synced to the latest tip, this flag indicates if the mempool is out of sync.
52	/// In most cases the next call to get_new_block_template will return a block with the mempool in sync.
53	pub is_mempool_in_sync: bool,
54	}
55
56	impl NewBlockTemplate {
57	pub fn from_block(	×
58	block: Block,	×
59	target_difficulty: Difficulty,	×
60	reward: MicroMinotari,	×
61	is_mempool_in_sync: bool,	×
62	) -> Result<Self, TransactionError> {	×
63	let Block { header, body } = block;	×
64	let total_fees = body.get_total_fee()?;	×
65	Ok(Self {	×
66	header: NewBlockHeaderTemplate::from_header(header),	×
67	body,	×
68	target_difficulty,	×
69	reward,	×
70	total_fees,	×
71	is_mempool_in_sync,	×
72	})	×
73	}	×
74
75	pub fn empty() -> Self {	×
76	Self {	×
77	header: NewBlockHeaderTemplate::empty(),	×
78	body: AggregateBody::empty(),	×
79	target_difficulty: Difficulty::default(),	×
80	reward: MicroMinotari::default(),	×
81	total_fees: MicroMinotari::default(),	×
82	is_mempool_in_sync: false,	×
83	}	×
84	}	×
85	}
86
87	impl Display for NewBlockTemplate {
88	fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), std::fmt::Error> {	×
89	writeln!(f, "----------------- Block template-----------------")?;	×
90	writeln!(f, "--- Header ---")?;	×
91	writeln!(f, "{}", self.header)?;	×
92	writeln!(f, "--- Body ---")?;	×
93	writeln!(f, "{}", self.body)?;	×
94	writeln!(	×
95	f,	×
96	"Target difficulty: {}\nReward: {}\nTotal fees: {}",	×
97	self.target_difficulty, self.reward, self.total_fees	×
98	)?;	×
99	Ok(())	×
100	}	×
101	}

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