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Ethereum: Understand the Bitcoin test frame
As a leading decentralized platform, Ethereum’s test suite is crucial to guarantee the correction and reliability of its blockchain technology. The test framework, which is written mainly in C ++, plays a vital role in validating the behavior of several components, including Bitcoin Core (BTC). In this article, we will deepen how the test framework interacts with the Central Code of Bitcoin and the so -called RPC to provide regression test capabilities.
Background
Bitcoin Core is an open source implementation of the Bitcoin protocol. Its development is led by the team inherited from Satoshi Nakamoto, which has published the source code for the central components under a permissive license (MIT). Although Bitcoin Core itself is not publicly available as a binary package, its underlying components, including the test suite, are accessible through several APIs and tools.
Ethereum, being a layer 1 block chain platform, depends largely on the functionality of Bitcoin Core to guarantee the integrity of its network. The Ethereum test suite is composed of multiple modules, each responsible for trying specific aspects of the blockchain ecosystem. These modules interact with the Bitcoin code code using several interfaces, which include:
* Bitcoin Core API : The Official API Core Bitcoin provides a set of functions that allow developers to interact with the central components, such as transaction processing, wallet management and network communication.
* RPC (remote procedure call) called
: Bitcoin Core USA RPC calls to communicate between nodes on the network. This allows asynchronous communication between nodes, which allows characteristics such as the execution of intelligent contracts and decentralized applications.
How to interact the test frame with the Bitcoin core code
The Ethereum test suite uses a combination of C ++ functions and object -oriented programming principles to interact with the Bitcoin nucleus code. Here is a general description of how it works:
- Mocking
: The test frame uses mockery to isolate dependencies and simplify the interactions with the Bitcoin core code. This allows developers to focus on testing specific components without worrying about complex units.
- The calls of the API of the Bitcoin nucleus : The test set uses the official functions of the Bitcoin nucleus API to make applications to the central components, such as
GettransactionO’Getbalance. These API calls are often implemented using C ++ and trust the underlying Bitcoin Central Code for execution.
- Call RPC : When necessary, the test frame makes RPC calls through the APIEIP-155
, which allows asynchronous communication between nodes in the Ethereum network.
Example: Try a simple transaction
Let's illustrate how the test frame interacts with the Bitcoin core code using an example of a simple transaction test:
CPP
// Testransaction.cpp (called Bitcoin Core API)
#Include
emptiness testransaction :: testgettransaction () {
// Create a new transaction object
Auto Tx = Createtransaction ();
// Obtain the transaction ID using the getTransaction function
Uint256 Txid;
Tx-> Gettransactionid (Txid);
// Print the transaction ID (expected: "1234567890ABCDEF")
STD :: COUT << "Transaction ID:" << Txid << STD :: Endl;
// Delete the transaction object
eliminate tx;
}
` CPP
// testransaction.cpp (called RPC)
#Include <libitcoin/core/rpc.
