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A bunch of other spelling and grammer mistakes in chapter 3

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Minh T. Nguyen 2014-04-30 10:13:31 -07:00
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@ -47,7 +47,7 @@ $
The instructions and resulting output may vary from version to version. Follow the documentation that comes with the code even if it differs from the instructions you see here and don't be surprised if the output displayed on your screen is slightly different from the examples here.
====
When the git cloning operation has complete, you will have a complete local copy of the source code repository in the directory _bitcoin_. Change to this directory by typing +cd bitcoin+ at the prompt:
When the git cloning operation has completed, you will have a complete local copy of the source code repository in the directory _bitcoin_. Change to this directory by typing +cd bitcoin+ at the prompt:
----
$ cd bitcoin
@ -86,7 +86,7 @@ $
The source code includes documentation, which can be found in a number of files. Review the main documentation located in README.md in the bitcoin directory, by typing +more README.md+ at the prompt, using the space bar to progress to the next page. In this chapter we will build the command-line bitcoin client, also known as +bitcoind+ on Linux. Review the instructions for compiling the bitcoind command-line client on your platform by typing +more doc/build-unix.md+. Alternative instructions for Mac OSX and Windows can be found in the doc directory, as +build-os.md+ or +build-msw.md+ respectively.
Carefully review the build pre-requisited which are in the first part of the build documentation. These are libraries that must be present on your system before you can begin to compile bitcoin. If these pre-requisites are missing the build process will fail with an error. If this happens because you missed a pre-requisite, you can install it and then resume the build process from where you left off. Assuming the pre-requisites are installed, we start the build process by generating a set of build scripts using the +autogen.sh+ script.
Carefully review the build pre-requisites which are in the first part of the build documentation. These are libraries that must be present on your system before you can begin to compile bitcoin. If these pre-requisites are missing the build process will fail with an error. If this happens because you missed a pre-requisite, you can install it and then resume the build process from where you left off. Assuming the pre-requisites are installed, we start the build process by generating a set of build scripts using the +autogen.sh+ script.
[TIP]
====
@ -103,7 +103,7 @@ src/Makefile.am: installing `src/build-aux/depcomp'
$
----
The +autogen.sh+ script creates a set of automatic configuation scripts that will interrogate your system to discover the correct settings and ensure you have all the necessary libraries to compile the code. The most important of these is the +configure+ script that offers a number of different options to customize the build process. Type +./configure --help+ to see the various options:
The +autogen.sh+ script creates a set of automatic configuration scripts that will interrogate your system to discover the correct settings and ensure you have all the necessary libraries to compile the code. The most important of these is the +configure+ script that offers a number of different options to customize the build process. Type +./configure --help+ to see the various options:
----
$ ./configure --help
@ -378,7 +378,7 @@ $ bitcoind getinfo
}
----
The data is returned as a JavaScript Object Notation (JSON), a format which can easily be "consumed" by all programming languages but is also quite human-readable. Among this data we see the version of the bitcoin software client (9000), protocol (70002) and wallet file (60000). We see the current balance contained in the wallet, which is zero. We see the current block height, showing us how many blocks are known to this client, 286216. We also see various statistics about the bitcoin network and the settings related to this client. We will explore these settings in more detail in the rest of this chapter.
The data is returned in JavaScript Object Notation (JSON), a format which can easily be "consumed" by all programming languages but is also quite human-readable. Among this data we see the version of the bitcoin software client (9000), protocol (70002) and wallet file (60000). We see the current balance contained in the wallet, which is zero. We see the current block height, showing us how many blocks are known to this client, 286216. We also see various statistics about the bitcoin network and the settings related to this client. We will explore these settings in more detail in the rest of this chapter.
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====
@ -544,7 +544,7 @@ $ bitcoind getbalance
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====
If the transaction has not yet confirmed, the balance returned by getbalance will be zero. The configuration option "minconf" determines the minimum number of confirmations that are required before a transaction shows in the balance
If the transaction has not yet confirmed, the balance returned by getbalance will be zero. The configuration option "minconf" determines the minimum number of confirmations that are required before a transaction shows in the balance.
====
@ -634,7 +634,7 @@ $ bitcoind decoderawtransaction 0100000001d717...388ac00000000
}
----
The transaction decode shows all the compoenents of this transaction, including the transaction inputs, and outputs. In this case we see that the transaction that credited our new address with 50 milibits used one input and generated two outputs. The input to this transaction was the output from a previously confirmed transaction (shown as the vin txid starting with +d3c7+ above). The two outputs correspond to the 50 milibit credit and an output with change back to the sender.
The transaction decode shows all the components of this transaction, including the transaction inputs, and outputs. In this case we see that the transaction that credited our new address with 50 millibits used one input and generated two outputs. The input to this transaction was the output from a previously confirmed transaction (shown as the vin txid starting with +d3c7+ above). The two outputs correspond to the 50 millibit credit and an output with change back to the sender.
We can further explore the blockchain by examining the previous transaction referenced by its txid in this transaction, using the same commands (eg. +gettransaction+). Jumping from transaction to transaction we can follow a chain of transactions back as the coins are transmitted from owner address to owner address.
@ -867,7 +867,7 @@ $ bitcoind decoderawtransaction 0100000001e34ac1e2baac09c366fce1c2245536bda8f7db
That looks correct! Our new transaction "consumes" the unspent output from our confirmed transaction and then spends it in two outputs, one for 25 millibits to our new address and one for 24.5 millibits as change back to the original address. The difference of 0.5 millibits represents the transaction fee and will be credited to the miner who finds the block that includes our transaction.
As you may notice, the transaction contains an empty +scriptSig+, because we haven't signed it yet. Without a signature, this transaction is meaningless, we haven't yet proven that we *own* the address from which the unpsent output is sourced. By signing, we remove the encumberance on the output and prove that we own this output and can spend it. We use the +signrawtransaction+ command to sign the transaction. It takes the raw transaction hex string as the parameter.
As you may notice, the transaction contains an empty +scriptSig+, because we haven't signed it yet. Without a signature, this transaction is meaningless, we haven't yet proven that we *own* the address from which the unspent output is sourced. By signing, we remove the encumberance on the output and prove that we own this output and can spend it. We use the +signrawtransaction+ command to sign the transaction. It takes the raw transaction hex string as the parameter.
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====
@ -1004,7 +1004,7 @@ Many more libraries exist in a variety of other programming languages and more a
==== Libbitcoin and sx tools
The libbitcoin library is a C++ scalable multi-threaded and modular implemntation that supports a full-node client and a command-line toolset named "sx", which offers many of the same capabilities as the bitcoind client commands we illustrated in this chapter. The sx tools also offer some key management and manipulation tools that are not offered by bitcoind, including type-2 deterministic keys and key mnemonics.
The libbitcoin library is a C++ scalable multi-threaded and modular implementation that supports a full-node client and a command-line toolset named "sx", which offers many of the same capabilities as the bitcoind client commands we illustrated in this chapter. The sx tools also offer some key management and manipulation tools that are not offered by bitcoind, including type-2 deterministic keys and key mnemonics.
===== Installing sx