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I am using Bitcoin Core bitcoin-cli with getdescriptorinfo like so:

curl --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "getdescriptorinfo", "params":["sh(multi(2,[3c60330a/1]03061b79f20d49790c15bdaf15ec8db6d75275f62f04a56eaac31f5c2db48736fc,[d54e4481/1]0396bd8d30f0128dcc67e143cf46efd686bf9e4dc8587facc07f81bb248d1b0209,[1e132a06/1]03c77aa842edc8af76b76f5c29a1133b45b78c8c26a170090184e500232abd15a4))#3qpdv9la"] }' -H 'content-type: text/plain;' http://bitcoin:[email protected]:18332/

But it returns Invalid descriptor (code -5)

What am I doing wrong?

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1
  • 2
    If you are willing to compile Bitcoin Core from source, there is a change in the current master branch that will return more specific errors about descriptors (github.com/bitcoin/bitcoin/pull/16542). This change will be available in 0.19.
    – Andrew Chow ♦
    Sep 28, 2019 at 16:29

1 Answer 1

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1

Descriptors in Bitcoin Core can have a suffixed checksum. 

sh(multi(2,
[3c60330a/1]03061b79f20d49790c15bdaf15ec8db6d75275f62f04a56eaac31f5c2db48736fc,
[d54e4481/1]0396bd8d30f0128dcc67e143cf46efd686bf9e4dc8587facc07f81bb248d1b0209,
[1e132a06/1]03c77aa842edc8af76b76f5c29a1133b45b78c8c26a170090184e500232abd15a4))
#3qpdv9la

You pass the checksum 3qpdv9la. However if I call getdescriptorinfo without the checksum (see below) a checksum of 539k404m is calculated for that descriptor. 

bitcoin-cli getdescriptorinfo "sh(multi(2,[3c60330a/1]03061b79f20d49790c15bdaf15ec8db6d75275f62f04a56eaac31f5c2db48736fc,[d54e4481/1]0396bd8d30f0128dcc67e143cf46efd686bf9e4dc8587facc07f81bb248d1b0209,[1e132a06/1]03c77aa842edc8af76b76f5c29a1133b45b78c8c26a170090184e500232abd15a4))"
{
  "descriptor": "sh(multi(2,[3c60330a/1]03061b79f20d49790c15bdaf15ec8db6d75275f62f04a56eaac31f5c2db48736fc,[d54e4481/1]0396bd8d30f0128dcc67e143cf46efd686bf9e4dc8587facc07f81bb248d1b0209,[1e132a06/1]03c77aa842edc8af76b76f5c29a1133b45b78c8c26a170090184e500232abd15a4))#539k404m",
  "isrange": false,
  "issolvable": true,
  "hasprivatekeys": false
}

Invalid descriptor (code -5) is returned, because your descriptor doesn't match the checksum you provide.

Did you enter the descriptor by hand (i.e. not copy pasting)? Where did you get the descriptor from?

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3
  • The descriptor came from the json result Bitcoin Core returned when calling bitcoin-cli getaddressinfo, I will try and replicate the whole process and edit the OP.
    – Fontaine
    Sep 28, 2019 at 12:50
  • would a descriptor in regtest create a different checksum then a descriptor in testnet or mainnet? Maybe that is it.
    – Fontaine
    Sep 28, 2019 at 12:59
  • 2
    The xpub/xprv and address format used inside descriptors is network dependent.
    – Pieter Wuille
    Jul 21, 2021 at 19:33

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