2

I'm fighting with PSBT to do a 2: 2 multisig with bitcoin-cli on testnet. Those are the steps I follow:

  • Create a multisig with bitcoin-cli createmultisig 2 "["pubkey1", "pubkey2"]"

  • Create the psbt with createpsbt:

    bitcoin-cli createpsbt '[{"txid": "578b667a5b2498bce06cf4b31e027a5a045af321f2465d3a7d8f302ac61759e6", "vout": 1 }, { "txid": "237bda433527d32ddce8da640e96efcbf3fddc1fbde8add362abe197cc3c151f", "vout": 0 }]' '{"data": "49879816ffbca992d07559d56c0cb8cbc14aa7eb896bc79f532d272595b5906f", "tb1q369frc2yk5vfly8ya57ed2qr7p3jef6fzaqyz6": 0.00009500 }'

  • On one signer, call to walletprocesspsbt: bitcoin-cli walletprocesspsbt $psbt

  • If I call here to analyzepsbt $psbt, this is what I get:

{
  "inputs": [
    {
      "has_utxo": true,
      "is_final": false,
      "next": "updater",
      "missing": {
        "redeemscript": "e6b13137de705c19718f1aaf6f80709a9e6c1a7c"
      }
    },
    {
      "has_utxo": true,
      "is_final": false,
      "next": "updater",
      "missing": {
        "redeemscript": "e6b13137de705c19718f1aaf6f80709a9e6c1a7c"
      }
    }
  ],
  "fee": 0.00000500,
  "next": "updater"
}

To add the redeemscript it says is missing, ¿can I use walletcreatefundedpsbt? I try this:

bitcoin-cli walletcreatefundedpsbt '[{"txid": "578b667a5b2498bce06cf4b31e027a5a045af321f2465d3a7d8f302ac61759e6", "vout": 1, "scriptPubKey": "a914e6b13137de705c19718f1aaf6f80709a9e6c1a7c87", "witnessScript": "5221021efcdb8d9afb724ae7c58a3886656b56e3311e26f80a1d88e5f1f49e04d30d4b210345beb99ed5fd6ecad0e4a26b797b604495ebf85630c34e126a83c110b76dffdd52ae","amount":0.00005000}, {"txid": "237bda433527d32ddce8da640e96efcbf3fddc1fbde8add362abe197cc3c151f", "vout": 0, "scriptPubKey": "a914e6b13137de705c19718f1aaf6f80709a9e6c1a7c87", "witnessScript": "5221021efcdb8d9afb724ae7c58a3886656b56e3311e26f80a1d88e5f1f49e04d30d4b210345beb99ed5fd6ecad0e4a26b797b604495ebf85630c34e126a83c110b76dffdd52ae","amount":0.00005000}]'  '[{"data": "49879816ffbca992d07559d56c0cb8cbc14aa7eb896bc79f532d272595b5906f"}, {"tb1q369frc2yk5vfly8ya57ed2qr7p3jef6fzaqyz6": 0.00009500 }']

but I get "Insufficient funds" (error -4) ¿What I' missing or put it wrong on walletcreatefundedpsbt command?

Thank you very much! :-D

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2 Answers 2

Reset to default
4

Create a multisig with bitcoin-cli createmultisig 2 "["pubkey1", "pubkey2"]"

Here is your problem. createmultisig is a utility function that only computes the multisig address. It doesn't store or otherwise add that address to your wallet. As a result, when you invoke walletprocesspsbt to update/sign, the wallet has no idea what that address is, or how to sign for it.

You want to use addmultisigaddress instead.

To add the redeemscript it says is missing, can I use walletcreatefundedpsbt?

walletcreatefundedpsbt is an RPC to construct a PSBT from scratch; it's an alternative to the more manual createpsbt call, not a way to update an existing PSBT. You need to use walletprocesspsbt PSBT for that, but as I said, you first need to teach the wallet about the address you're using.

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11
  • You mean we need invoke addmultisigaddress for both wallets? but error occurs: Only legacy wallets are supported by this command (code -4), how to fix it?
    – foolbear
    Commented May 25 at 10:46
  • In descriptor wallets you need to use descriptors. For a 2-of-3 multisig that is multi(2,KEY1,KEY2,KEY3) where each KEY is an xpub, xprv, hex pubkey, or WIF key. You'll need to add a checksum, which can be computed using getdescriptorinfo.
    – Pieter Wuille
    Commented May 25 at 11:56
  • Do you mean, In descriptor wallet, we cannot use addmultisigaddress or createmultisig to generate multisig address? Where i can find the article about it?
    – foolbear
    Commented May 25 at 12:13
  • createmultisig still works, as it is just a utility for computing a multisig address which doesn't affect your wallet. addmultisigaddress indeed does not work for descriptor wallets, you need to use importdescriptors instead. See github.com/bitcoin/bitcoin/blob/master/doc/descriptors.md
    – Pieter Wuille
    Commented May 25 at 12:17
  • 1
    You need a separate watch-only wallet to manage the multisig, see github.com/bitcoin/bitcoin/blob/master/doc/multisig-tutorial.md.
    – Pieter Wuille
    Commented May 25 at 12:47
0

Here is your problem. createmultisig is a utility function that only computes the multisig address. It doesn't store or otherwise add that address to your wallet. As a result, when you invoke walletprocesspsbt to update/sign, the wallet has no idea what that address is, or how to sign for it.

You want to use addmultisigaddress instead.

I try with

bitcoin-cli addmultisigaddress 2 "[\"02861fb3e2cb63816fa8019513cea0bd931d4c1530e3261b466ab9788d7d216521\",\"035333ad355e76dddecce5514b9a999f4ec3002f9a00833b7b0fcfbc495c629349\"]"

{
  "address": "tb1qvj2w46y4cx0kjdsnep4ajt6gclreatvwwawazzyw2gqklwaakgzs8l24zr",
  "redeemScript": "522102861fb3e2cb63816fa8019513cea0bd931d4c1530e3261b466ab9788d7d21652121035333ad355e76dddecce5514b9a999f4ec3002f9a00833b7b0fcfbc495c62934952ae",
  "descriptor": "wsh(multi(2,[ac6d6edb/0'/0'/2']02861fb3e2cb63816fa8019513cea0bd931d4c1530e3261b466ab9788d7d216521,[9e497453]035333ad355e76dddecce5514b9a999f4ec3002f9a00833b7b0fcfbc495c629349))#cpxsl54h"
}

I send some coins to this address. If I do:

bitcoin-cli listunspent 0 99999 [\"tb1qvj2w46y4cx0kjdsnep4ajt6gclreatvwwawazzyw2gqklwaakgzs8l24zr\"]
[]

Empty. I need to importaddress to appear some UTXOs inside listunspent. I import address using this command:

bitcoin-cli importaddress "tb1qvj2w46y4cx0kjdsnep4ajt6gclreatvwwawazzyw2gqklwaakgzs8l24zr" "multisig" false

When you say "It doesn't store or otherwise add that address to your wallet". ¿If you see inside listunspent the UTXO associated with this address, I'm ok with PSBT to can fill the data it needs?

(have an update that fix the problem)

I create psbt with the command in my question, with importaddress I have the utxos associated with the multisig, I walletprocesspsbt with the first signer. This is what I get:

bitcoin-cli decodepsbt 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
{
  "tx": {
    "txid": "5fa020d46c8b64698b326d87635e212842889d2cca2bc23539b84321b6d90460",
    "hash": "5fa020d46c8b64698b326d87635e212842889d2cca2bc23539b84321b6d90460",
    "version": 2,
    "size": 166,
    "vsize": 166,
    "weight": 664,
    "locktime": 0,
    "vin": [
      {
        "txid": "ce36ea0dec529a9161b98a2e2c38b221ad296c265ce6de4e9f32706edcf6e215",
        "vout": 0,
        "scriptSig": {
          "asm": "",
          "hex": ""
        },
        "sequence": 4294967295
      },
      {
        "txid": "5d51933b9c291ab41dad0ef5ff0476707c2deee3f8f23aafdb7a452fd2281db0",
        "vout": 0,
        "scriptSig": {
          "asm": "",
          "hex": ""
        },
        "sequence": 4294967295
      }
    ],
    "vout": [
      {
        "value": 0.00000000,
        "n": 0,
        "scriptPubKey": {
          "asm": "OP_RETURN 49879816ffbca992d07559d56c0cb8cbc14aa7eb896bc79f532d272595b5906f",
          "hex": "6a2049879816ffbca992d07559d56c0cb8cbc14aa7eb896bc79f532d272595b5906f",
          "type": "nulldata"
        }
      },
      {
        "value": 0.00019150,
        "n": 1,
        "scriptPubKey": {
          "asm": "0 9bfeff9ff54997f8b4ac1ae695216c67f368cc46",
          "hex": "00149bfeff9ff54997f8b4ac1ae695216c67f368cc46",
          "reqSigs": 1,
          "type": "witness_v0_keyhash",
          "addresses": [
            "tb1qn0l0l8l4fxtl3d9vrtnf2gtvvlek3nzxtrctvx"
          ]
        }
      }
    ]
  },
  "unknown": {
  },
  "inputs": [
    {
      "witness_utxo": {
        "amount": 0.00009450,
        "scriptPubKey": {
          "asm": "0 6494eae895c19f693613c86bd92f48c7c79ead8e775dd1088e52016fbbbdb205",
          "hex": "00206494eae895c19f693613c86bd92f48c7c79ead8e775dd1088e52016fbbbdb205",
          "type": "witness_v0_scripthash",
          "address": "tb1qvj2w46y4cx0kjdsnep4ajt6gclreatvwwawazzyw2gqklwaakgzs8l24zr"
        }
      },
      "non_witness_utxo": {
        "txid": "ce36ea0dec529a9161b98a2e2c38b221ad296c265ce6de4e9f32706edcf6e215",
        "hash": "ce36ea0dec529a9161b98a2e2c38b221ad296c265ce6de4e9f32706edcf6e215",
        "version": 2,
        "size": 94,
        "vsize": 94,
        "weight": 376,
        "locktime": 1834648,
        "vin": [
          {
            "txid": "5d51933b9c291ab41dad0ef5ff0476707c2deee3f8f23aafdb7a452fd2281db0",
            "vout": 1,
            "scriptSig": {
              "asm": "",
              "hex": ""
            },
            "sequence": 4294967294
          }
        ],
        "vout": [
          {
            "value": 0.00009450,
            "n": 0,
            "scriptPubKey": {
              "asm": "0 6494eae895c19f693613c86bd92f48c7c79ead8e775dd1088e52016fbbbdb205",
              "hex": "00206494eae895c19f693613c86bd92f48c7c79ead8e775dd1088e52016fbbbdb205",
              "reqSigs": 1,
              "type": "witness_v0_scripthash",
              "addresses": [
                "tb1qvj2w46y4cx0kjdsnep4ajt6gclreatvwwawazzyw2gqklwaakgzs8l24zr"
              ]
            }
          }
        ]
      },
      "partial_signatures": {
        "02861fb3e2cb63816fa8019513cea0bd931d4c1530e3261b466ab9788d7d216521": "304402203ea65774220d43e9e8423079a7a7671de49075356eba3c9d09f53d2991b7664502203102527538fb62c34949350fd591b64e67eb3fa270d1582de7440bc032f328ae01"
      },
      "witness_script": {
        "asm": "2 02861fb3e2cb63816fa8019513cea0bd931d4c1530e3261b466ab9788d7d216521 035333ad355e76dddecce5514b9a999f4ec3002f9a00833b7b0fcfbc495c629349 2 OP_CHECKMULTISIG",
        "hex": "522102861fb3e2cb63816fa8019513cea0bd931d4c1530e3261b466ab9788d7d21652121035333ad355e76dddecce5514b9a999f4ec3002f9a00833b7b0fcfbc495c62934952ae",
        "type": "multisig"
      },
      "bip32_derivs": [
        {
          "pubkey": "02861fb3e2cb63816fa8019513cea0bd931d4c1530e3261b466ab9788d7d216521",
          "master_fingerprint": "ac6d6edb",
          "path": "m/0'/0'/2'"
        },
        {
          "pubkey": "035333ad355e76dddecce5514b9a999f4ec3002f9a00833b7b0fcfbc495c629349",
          "master_fingerprint": "9e497453",
          "path": "m"
        }
      ]
    },
    {
      "witness_utxo": {
        "amount": 0.00010000,
        "scriptPubKey": {
          "asm": "0 6494eae895c19f693613c86bd92f48c7c79ead8e775dd1088e52016fbbbdb205",
          "hex": "00206494eae895c19f693613c86bd92f48c7c79ead8e775dd1088e52016fbbbdb205",
          "type": "witness_v0_scripthash",
          "address": "tb1qvj2w46y4cx0kjdsnep4ajt6gclreatvwwawazzyw2gqklwaakgzs8l24zr"
        }
      },
      "non_witness_utxo": {
        "txid": "5d51933b9c291ab41dad0ef5ff0476707c2deee3f8f23aafdb7a452fd2281db0",
        "hash": "5d51933b9c291ab41dad0ef5ff0476707c2deee3f8f23aafdb7a452fd2281db0",
        "version": 2,
        "size": 166,
        "vsize": 166,
        "weight": 664,
        "locktime": 1834648,
        "vin": [
          {
            "txid": "df63442f66ee2805db4c90cd1864e9f9752b17ba25095b4d1749a123db18f721",
            "vout": 1,
            "scriptSig": {
              "asm": "",
              "hex": ""
            },
            "sequence": 4294967294
          },
          {
            "txid": "2e6da1c2a6d5d066da22e4285a1e6d3eb580734ac4be11ad950404c56a49f4e6",
            "vout": 1,
            "scriptSig": {
              "asm": "",
              "hex": ""
            },
            "sequence": 4294967294
          }
        ],
        "vout": [
          {
            "value": 0.00010000,
            "n": 0,
            "scriptPubKey": {
              "asm": "0 6494eae895c19f693613c86bd92f48c7c79ead8e775dd1088e52016fbbbdb205",
              "hex": "00206494eae895c19f693613c86bd92f48c7c79ead8e775dd1088e52016fbbbdb205",
              "reqSigs": 1,
              "type": "witness_v0_scripthash",
              "addresses": [
                "tb1qvj2w46y4cx0kjdsnep4ajt6gclreatvwwawazzyw2gqklwaakgzs8l24zr"
              ]
            }
          },
          {
            "value": 0.00009780,
            "n": 1,
            "scriptPubKey": {
              "asm": "0 e6136f30c88d327db59ecdbc2dec0339a82d74a8",
              "hex": "0014e6136f30c88d327db59ecdbc2dec0339a82d74a8",
              "reqSigs": 1,
              "type": "witness_v0_keyhash",
              "addresses": [
                "tb1qucfk7vxg35e8mdv7ek7zmmqr8x5z6a9geyj9ae"
              ]
            }
          }
        ]
      },
      "partial_signatures": {
        "02861fb3e2cb63816fa8019513cea0bd931d4c1530e3261b466ab9788d7d216521": "30440220070aee8223bcf2bc6e6b63fe5624111556180ac79042c76379e6ed28e978ad17022023c14049e4b3638e863aa205ce6151dcb2b217846b5c437e472feaa12b9dfa8b01"
      },
      "witness_script": {
        "asm": "2 02861fb3e2cb63816fa8019513cea0bd931d4c1530e3261b466ab9788d7d216521 035333ad355e76dddecce5514b9a999f4ec3002f9a00833b7b0fcfbc495c629349 2 OP_CHECKMULTISIG",
        "hex": "522102861fb3e2cb63816fa8019513cea0bd931d4c1530e3261b466ab9788d7d21652121035333ad355e76dddecce5514b9a999f4ec3002f9a00833b7b0fcfbc495c62934952ae",
        "type": "multisig"
      },
      "bip32_derivs": [
        {
          "pubkey": "02861fb3e2cb63816fa8019513cea0bd931d4c1530e3261b466ab9788d7d216521",
          "master_fingerprint": "ac6d6edb",
          "path": "m/0'/0'/2'"
        },
        {
          "pubkey": "035333ad355e76dddecce5514b9a999f4ec3002f9a00833b7b0fcfbc495c629349",
          "master_fingerprint": "9e497453",
          "path": "m"
        }
      ]
    }
  ],
  "outputs": [
    {
    },
    {
      "bip32_derivs": [
        {
          "pubkey": "02600d77abeecd9efc19fea943ed47ebf388cf4d924bc2a332cd37f01908255ddf",
          "master_fingerprint": "ac6d6edb",
          "path": "m/0'/0'/4'"
        }
      ]
    }
  ],
  "fee": 0.00000300
}

I sign with the second signer.

 bitcoin-cli --datadir=/home/biteskola/.daniel walletprocesspsbt 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
{
  "psbt": "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",
  "complete": true
}

but now the signatures are missing:

bitcoin-cli analyzepsbt 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
{
  "inputs": [
    {
      "has_utxo": true,
      "is_final": false,
      "next": "signer",
      "missing": {
        "signatures": [
          "9e497453046a2170505985012c40e447b24a0c9a"
        ]
      }
    },
    {
      "has_utxo": true,
      "is_final": false,
      "next": "signer",
      "missing": {
        "signatures": [
          "9e497453046a2170505985012c40e447b24a0c9a"
        ]
      }
    }
  ],
  "estimated_vsize": 276,
  "estimated_feerate": 0.00001086,
  "fee": 0.00000300,
  "next": "signer"
}

I thought that using walletprocesspsbt among other things it signed the UTXOS.

Thank you very much! :-D

UPDATE1:

The signature missing was fixed combining both signatures:

bitcoin-cli combinepsbt '["signer1_psbt","signer2_psbt" ]'

https://blockstream.info/testnet/tx/5fa020d46c8b64698b326d87635e212842889d2cca2bc23539b84321b6d90460?expand

As I understand, one signer can createpsbt and walletprocesspsbt. The other signer make the same and then combine both psbt ¿right?

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