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Added 'what is RPC?'

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Shannon Appelcline 2017-04-19 11:10:37 -07:00 committed by GitHub
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3_2_Knowing_Your_Bitcoin_Setup.md
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@ -25,7 +25,7 @@ You shouldn't mess with most of these files and directories — particularly not
## Know Your Bitcoin-cli Commands
Most of your early work will be done with the "bitcoin-cli" command, which offers an easy interface to bitcoind. If you ever want more information on its usage, just run it with the help argument. Without any other arguments, it shows you ever possible command:
Most of your early work will be done with the `bitcoin-cli` command, which offers an easy interface to `bitcoind`. If you ever want more information on its usage, just run it with the `help` argument. Without any other arguments, it shows you ever possible command:
```
$ bitcoin-cli help
== Blockchain ==
@ -163,6 +163,8 @@ Examples:
> bitcoin-cli getmininginfo
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "getmininginfo", "params": [] }' -H 'content-type: text/plain;' http://127.0.0.1:8332/
```
_What is RPC?_ `bitcoin-cli` is just a handy interface that lets you send commands to the `bitcoind`. More specifically, it's an interface that lets you send RPC (or Remote Procedure Protocol) commands to the `bitcoind`. Often, the `bitcoin-cli` command and the RPC command have identical names and interfaces, but some `bitcoin-cli` commands instead provide shortcuts for more complex RPC requests. Generally, the `bitcoin-cli` interface is much cleaner and simpler than trying to send RPC commands by hand, using `curl` or some other method. However, it also has limitations as to what you can ultimately do.
## Optional: Know Your Bitcoin Info
A variety of bitcoin-cli commands can give you additional information on your bitcoin data. The most general ones are: