I tried to import an example Taproot descriptor using bitcoin-cli importmulti


I got the error "Missing checksum". How do I generate the checksum and where do I append it to the descriptor?

A checksum was added to descriptors in this PR.


You can obtain the checksum using:

bitcoin-cli getdescriptorinfo insert_descriptor_here.

This outputs the descriptor with the checksum appended at the end under "descriptor" and a separate "checksum" field with the checksum on its own.

  "descriptor": "tr(c6047f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b95c709ee5,{pk(fff97bd5755eeea420453a14355235d382f6472f8568a18b2f057a1460297556),pk(e493dbf1c10d80f3581e4904930b1404cc6c13900ee0758474fa94abe8c4cd13)})#2rqrdjrh",
  "checksum": "2rqrdjrh",
  "isrange": false,
  "issolvable": true,
  "hasprivatekeys": false

You can then use bitcoin-cli importmulti on that descriptor.

More guidance is in the descriptor doc.

Thanks to darosior for answering this on IRC.

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