flywithu/Learning-Bitcoin-from-the-Command-Line
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Prayank 2021-06-02 18:17:14 +05:30
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03_2_Knowing_Your_Bitcoin_Setup.md
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@ -196,7 +196,7 @@ Result:
} }
Examples: Examples:
> bitcoin-cli getmininginfo > 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/ > curl --user myusername --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "getmininginfo", "params": []}' -H 'content-type: text/plain;' http://127.0.0.1:8332/
``` ```
> :book: ***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. > :book: ***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.
@ -204,6 +204,37 @@ Examples:
## Optional: Know Your Bitcoin Info ## 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: A variety of bitcoin-cli commands can give you additional information on your bitcoin data. The most general ones are:
`bitcoin-cli -getinfo` returns information from different RPCs (user-friendly)
```diff
$ bitcoin-cli -getinfo
! Chain: test
Blocks: 1977694
Headers: 1977694
Verification progress: 0.9999993275374796
Difficulty: 1
+ Network: in 0, out 8, total 8
Version: 219900
Time offset (s): 0
Proxy: N/A
Min tx relay fee rate (BTC/kvB): 0.00001000
@@ Wallet: ""@@
Keypool size: 1000
Unlocked until: 0
Transaction fee rate (-paytxfee) (BTC/kvB): 0.00000000
# Balance: 0.02853102
- Warnings: unknown new rules activated (versionbit 28)
```
Other commands to get information about blockchain, mining, network, wallet etc.
``` ```
$ bitcoin-cli getblockchaininfo $ bitcoin-cli getblockchaininfo
$ bitcoin-cli getmininginfo $ bitcoin-cli getmininginfo