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Improve Chapter 15 - Regtest

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Bruno Volpato 2017-12-13 14:44:05 -08:00
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15_0_Setting_Up_a_Bitcoin_Regtest.md
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@ -10,9 +10,9 @@ After working through this chapter, a developer will be able to:
* Create your own Blockchain from scratch
* Create the Genesis block and more blocks on top of it
* Get balance and interact with Bitcoind in a private way
## Table of Contents
* [Section One: Building the Regtest](15_1_Building_the_Regtest.md)
* [Section Two: Testing with Regtest](15_2_Testing_with_Regtest.md)
* [Section Three: Mining with Regtest](15_3_Mining_with_Regtest.md)
* [Section Two: Mining with Regtest](15_2_Mining_with_Regtest.md)
* [Section Three: Testing with Regtest](15_3_Testing_with_Regtest.md)

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15_1_Building_the_Regtest.md
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@ -27,6 +27,5 @@ $ rm -rf regtest
## What's Next?
After starting your bitcoind in the Regtest mode, you can now use Regtest-specific RPC commands to [generate/mine blocks in your private chain](15_3_Mining_with_Regtest.md).
This will allow you to get balance in your wallet and [test the Regtest blockchain](15_2_Testing_with_Regtest.md).
After starting your bitcoind in the Regtest mode, you can now use Regtest-specific RPC commands to [generate/mine blocks in your private chain](15_2_Mining_with_Regtest.md).
This will allow you to get balance in your wallet and [test the Regtest blockchain](15_3_Testing_with_Regtest.md).

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15_2_Testing_with_Regtest.md
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# 15.2: Testing with Regtest
> **NOTE:** This is a draft in progress, so that I can get some feedback from early reviewers. It is not yet ready for learning.
This document explains how to test a Regtest (Regression Test).
## Verifying balance
After [mining blocks](15_3_Mining_with_Regtest.md) and getting the rewards, you can verify the balance on your wallet:
```
$ bitcoin-cli -regtest getbalance
```
## Testing the Regtest
Now you should be able to use this balance for any type of interaction with the private Blockchain, such as sending Bitcoin transactions according to [Chapter 4]((04_0_Sending_Bitcoin_Transactions.md)) in this guide. The only difference is that you need to use the flag `-regtest` when running the `bitcoin-cli` in order for the request to be sent to the Regtest Bitcoin daemon.
It is important to note that for your transactions to complete, you will have to generate/mine new blocks so that the transactions can be included into them.
For example, to create a transaction and include into a block:
```
$ bitcoin-cli -regtest sendtoaddress [address] 10.0
```
And after it, if your application requires 6 confirmations, you can mine additional 6 blocks into your Regtest chain:
```
$ bitcoin-cli -regtest generate 6
```

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15_3_Mining_with_Regtest.md
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# 15.3: Mining the Regtest
> **NOTE:** This is a draft in progress, so that I can get some feedback from early reviewers. It is not yet ready for learning.
This document explains how to generate (i.e. mine) blocks using a Regtest (Regression Test) blockchain.
To generate the Genesis block and the next blocks on a new blockchain requires very minimal proof-of-work, due to the low difficulty and that it follows the Testnet rules.
## Generating blocks
You can generate/mine new blocks using the RPC method `generate`. This method is only available in the Regtest mode, using the following command:
```
$ bitcoin-cli -regtest generate 101
[
"57f17afccf28b9296048b6370312678b6d8e48dc3a7b4ef7681d18ed3d91c122",
"631ff7b8135ce633c774828be3b8505726459eb65c339aab981b10363befe5a7",
...
"1162dbfe025c7da94ee1128dc26d518a94508f532c19edc0de6bc673a909d02c",
"20cb2e815c3d42d6a117a204a0b5e726ab641c826e441b5b3417aca33f2aba48"
]
```
The output is the block hash of every block generated (in our example, 101 hashes).
This command will generate 101 blocks using a special RPC which is only available in regtest mode. This takes less than a second on a generic PC.
Because this is a new block chain using Bitcoin’s default rules, the first blocks pay a block reward of 50 bitcoins.
Unlike mainnet, in regtest mode only the first 150 blocks pay a reward of 50 bitcoins.
However, a block must have 100 confirmations before that reward can be spent, so we generate 101 blocks to get access to the coinbase transaction from block #1.

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README.md
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@ -106,8 +106,8 @@ Add: HOW TO DO A REFUND (short answer: ask!)
* [15.0: Setting Up a Bitcoin Regtest](15_0_Setting_Up_a_Bitcoin_Regtest.md)
* [15.1: Building the Regtest](15_1_Building_the_Regtest.md)
* [15.2: Testing with Regtest](15_2_Testing_with_Regtest.md)
* [15.3: Mining with Regtest](15_3_Mining_with_Regtest.md)
* [15.2: Mining with Regtest](15_2_Mining_with_Regtest.md)
* [15.3: Testing with Regtest](15_3_Testing_with_Regtest.md)
** APPENDICES **