Issues with the Bitcoin Core block minting (basic_bitcoin example)

Developers
1

Hi all,

I’m experimenting with the (Rust) basic_bitcoin example project, but have an issue with Bitcoin Core.

Everything seems to be running fine, but I can’t mine/generate blocks. I run this command:

./bin/bitcoin-cli -conf=$(pwd)/bitcoin.conf generatetoaddress 1 bc1q0ravk9wecxynsze55rq0jk5jv9hnncz5kfe3yk

The address is one I created using the CLI. Instead of the expected array with a hash of a generated block I just get an empty array [ ] and the balance is still 0.

I’ve read docs and searched for answers, but haven’t been succesful at generating blocks. I use Bitcoin Core v25.0 if that makes a difference.

2

Hi @Carsten :wave:

You probably need to mine a few blocks more. Coinbase UTXOs are only spendable after 100 blocks. So the first coins can be spent in block 101.

3

For local Bitcoin development, you can use these scripts.
regtest_wallet.sh will help you set up a Bitcoin wallet locally.

1 Like
4

Hey @domwoe

The problem is that I can’t even mine 1, or 101. I’m running Bitcoin Core locally and using regtest mode. When I use the generatetoaddress command, the response is [ ].

I’m expecting something like this:

generatetoaddress 101 bcrt1qgwev460zqprwlvnv45nq3tyuwgj4t8ukx8qs53
[
  "724e85de66945bb2bb3de206e73b2016bd40f43822281c7b8ffa05e1d52641a9",
  "68a1bcc819e8fcb571014f65ab21dcfb2ccda7deda941660b3dd85b55623c82d",
  ...
  "1fb51410422b2bb7482db31beefc7508bcd66b3c22be88508616602658e65cb0"
]

But I get this:

generatetoaddress 11 bcrt1qgwev460zqprwlvnv45nq3tyuwgj4t8ukx8qs53
[
]

I read something about that response is expected when you use the generatetoaddress on testnet, but I have set the network to regtest in the bitcoin.cont file…

5

Hey @zohaib29
That’s a really nice collection of scripts!
Unfortunately I’m still struggling with this issue. It might be a config thing since everything else seems to be working.

6

You can have a look at this repo: GitHub - domwoe/inscription_canister: Ordinal Inscription Testbed on ICP.
It includes running a bitcoind regtest instance inside a Docker container, and I’d be interested if it works for others :slight_smile:

7

Thanks, I’ll try it out.
So far I’ve just been deploying the code to the IC instead of locally, but it would be nice with a local version too.

8

hm, then I don’t understand your setup. How would you connect to your local Bitcoin node if you are working with IC mainnet?