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Track coinbase transactions #64

merged 1 commit into from Nov 6, 2018


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commented Nov 5, 2018

The current version of the server fails to account for coinbase transactions.

@andrewtoth andrewtoth force-pushed the andrewtoth:track-generated branch from 3921f9e to a77eeb4 Nov 5, 2018


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commented Nov 5, 2018

Thanks for this PR.

I've played around with regtest mode RPC to better understand these transactions, since I've never received newly-mined coins myself. I now understand that coinbase transactions are in the category "immature" and once they reach 100 confirmations they become "generate". Also coinbase transactions have the key "coinbase" in their inputs as a result of decoderawtransactions, because coinbase transactions don't have a previous input.

I think this line in check_for_new_txes should also check for ("generate", "immature")

if tx["category"] not in ("receive", "send"):
That would get triggered if a transaction arrives while the server is running, while the code you edited only gets triggered at the startup of the server.

Have you tested this with Electrum wallet? Does Electrum display immature or coinbase transactions in a special way?

@andrewtoth andrewtoth force-pushed the andrewtoth:track-generated branch from a77eeb4 to 01e1a94 Nov 6, 2018


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commented Nov 6, 2018

You're absolutely right. I didn't check for having the server running while receiving a coinbase transaction. I've updated the commit to check for coinbase transactions in check_for_new_txes.

I did test this with Electrum wallet. However, I haven't had the server running while receiving a coinbase. I can't think of a way it would break since the logic is handled the same as when starting up, but that is definitely something to think about. Electrum displays these transactions normally, except when immature it displays a separate balance in brackets next to the main balance indicating how much is not yet matured.

Also, I opened a PR bitcoin/bitcoin#14653 to fix the help text for listtransactions rpc. I believe that could have prevented this.

@chris-belcher chris-belcher force-pushed the chris-belcher:master branch from 5defe1b to e8b48e4 Nov 6, 2018

@chris-belcher chris-belcher merged commit 6e82d6f into chris-belcher:master Nov 6, 2018

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