3 releases
0.1.16-alpha.0 | Mar 31, 2023 |
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0.1.12-alpha.0 | Jan 19, 2023 |
0.1.10-alpha.0 | Jan 18, 2023 |
#22 in #capturing
376 downloads per month
Used in 68 crates
(4 directly)
265KB
674 lines
bitcoin-validation
The bitcoin-validation
crate is a Rust
implementation of the validation logic used in the
Bitcoin system. It is a direct translation of the
corresponding C++ codebase and is currently in the
process of translation. As such, some function
bodies may still be in the process of being
translated.
This crate provides the ValidationState
and
ModeState
types, which encapsulate the state of
the validation process and allow for the tracking
of errors, rejection reasons, and results. These
types provide methods for checking the state of
validation and for retrieving information about
any errors or rejections that occurred during
validation.
While there are no specific mathematical equations
or concepts involved in the bitcoin-validation
crate, it is a critical component of the Bitcoin
system as it ensures that transactions and blocks
conform to the consensus rules of the network.
This crate can be used by Rust developers to build applications that interact with the Bitcoin network, validate transactions and blocks, and implement their own custom validation logic.
28> thanks -- what needs to be validated in the context of bitcoin
In the context of Bitcoin, validation typically refers to the process of checking whether a transaction or block conforms to the rules of the Bitcoin protocol. This involves verifying the digital signatures on transactions, checking that transactions do not double-spend previously spent inputs, and ensuring that blocks are constructed according to the consensus rules of the network.
More specifically, the Bitcoin validation process involves verifying the following:
-
Transactions:
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The transaction is properly formatted and includes a valid signature for each input.
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The transaction has not already been spent (i.e., it is not a double-spend).
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The transaction outputs do not exceed the inputs.
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Blocks:
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The block header meets the difficulty requirement.
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The transactions in the block are valid and properly formatted.
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The block does not contain any duplicate transactions.
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The block does not exceed the maximum block size.
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The block does not contain any invalid transactions or blocks that have already been spent.
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The ValidationState
and ModeState
types in the
bitcoin-validation
crate provide a way to keep
track of the state of the validation process and
handle any errors or warnings that arise during
validation. The functions is_valid()
,
is_invalid()
, and is_error()
can be used to
check the validation status of a given transaction
or block. Additionally, the to_string()
function
can be used to generate a string representation of
the validation state.
Dependencies
~89MB
~850K SLoC