February 2019
Intermediate to advanced
450 pages
9h 59m
English
Content preview from Hands-On Blockchain for Python Developers
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Launching a private Ethereum blockchain
Let's launch our private Ethereum blockchain using geth. We will not use Ganache here, because events are not supported in the stable version of Ganache yet (however, the beta version of Ganache (v 2.0.0 beta 2) already supports events):
- We will use the following code block to launch the block:
(videos-venv) $ cd videos_sharing_smart_contract(videos-venv) $ populus chain new localblock(videos-venv) $ ./chains/localblock/init_chain.sh
- Now edit chains/localblock/run_chain.sh. Find --ipcpath, then change the value (the word after --ipcpath) to /tmp/geth.ipc.
- Then edit the project.json file. The chains object points to four keys: tester, temp, ropsten, and mainnet. Add another key, localblock, in the ...
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