Can I sign multisig transaction only with private key in a descriptor based wallet?
Can I sign multisig transaction only with private key in a descriptor based wallet?
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Mohit Singh · External communityPost link
External question — Bitcoin Stack Exchange
Author: Mohit Singh
Original post: https://bitcoin.stackexchange.com/questions/115237
License: CC BY-SA 4.0 — https://creativecommons.org/licenses/by-sa/4.0/
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I created a multisig wallet using bdk. It seems to accept descriptor with owner wallet's private key and other participating wallet's public key. Is it possible to create a multisig wallet where only one wallet can create transaction and will get access to other's public keys but other wallets don't need other participant's public keys for signing the transaction?
For example, If I create a 2 of 3 multisig with participants A,B,C. I created transaction with A who has access to public keys of both B and C using descriptor
thresh(key(A_xprv),key(B_xpub),key(C_xpub)
. Can I sign the transaction with B with only with its private key if it does not have access to public keys of A and C? I'm unable to create a descriptor which can sign the transaction for B without requiring public keys of A and C.
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user133407 · External communityPost link
External answer — Bitcoin Stack Exchange
Author: user133407
Original post: https://bitcoin.stackexchange.com/a/115246
License: CC BY-SA 4.0 — https://creativecommons.org/licenses/by-sa/4.0/
Adaptation: HTML converted to plain text; contact email addresses removed.
All public keys or redeem script/witness script is required to sign the transaction when spending bitcoin multisig UTXO.
An experiment to see if you can sign the transaction without public keys:
Run
bitcoind -signet=1 -rpcport=38332 -rpcuser=user -rpcpassword=password
Create 3 wallets m1, m2 and m3
$ bitcoin-cli -named createwallet wallet_name=m1 descriptors=false
Get 3 public keys from each wallet:
$ bitcoin-cli -rpcwallet=m1 getnewaddress
tb1q8hz93lwkmzjq2yapxr6mnsfwjt5wvp2f5zgm98
$ bitcoin-cli -rpcwallet=m1 getaddressinfo tb1q8hz93lwkmzjq2yapxr6mnsfwjt5wvp2f5zgm98
{
"address": "tb1q8hz93lwkmzjq2yapxr6mnsfwjt5wvp2f5zgm98",
"scriptPubKey": "00143dc458fdd6d8a40513a130f5b9c12e92e8e60549",
"ismine": true,
"solvable": true,
"desc": "wpkh([045471ed/0'/0'/1']039927842080cc4a22d2d4a63c13b3d9a66564e230775981f03976787afe6cf716)#wht4f5zk",
"iswatchonly": false,
"isscript": false,
"iswitness": true,
"witness_version": 0,
"witness_program": "3dc458fdd6d8a40513a130f5b9c12e92e8e60549",
"pubkey": "039927842080cc4a22d2d4a63c13b3d9a66564e230775981f03976787afe6cf716",
"ischange": false,
"timestamp": 1663309171,
"hdkeypath": "m/0'/0'/1'",
"hdseedid": "ccd54fe6a42efde5251f8443f1edd7ebcf25fefa",
"hdmasterfingerprint": "045471ed",
"labels": [
""
]
}
Create 2 of 3 multisig with the public keys:
$ bitcoin-cli createmultisig 2 "[\"039927842080cc4a22d2d4a63c13b3d9a66564e230775981f03976787afe6cf716\",\"0359591df29bbcdb8fb2e4cde5d92ecc8c6698d9f0ab27f2f76938cdddc2323279\",\"037e44526a83fdb2c89de80356eeda1bbfdb3738a1b3b70c3c71ea95feaeec4046\"]"
{
"address": "2N7WpySLj8bBGFrZE8hxQUm29ZCwaqz5FvT",
"redeemScript": "5221039927842080cc4a22d2d4a63c13b3d9a66564e230775981f03976787afe6cf716210359591df29bbcdb8fb2e4cde5d92ecc8c6698d9f0ab27f2f76938cdddc232327921037e44526a83fdb2c89de80356eeda1bbfdb3738a1b3b70c3c71ea95feaeec404653ae",
"descriptor": "sh(multi(2,039927842080cc4a22d2d4a63c13b3d9a66564e230775981f03976787afe6cf716,0359591df29bbcdb8fb2e4cde5d92ecc8c6698d9f0ab27f2f76938cdddc2323279,037e44526a83fdb2c89de80356eeda1bbfdb3738a1b3b70c3c71ea95feaeec4046))#jqk9dcqj"
}
Send 0.001 sBTC to multisig address using
signet faucet
:
0b30a06e2653b84b0b976559a0efc9018a6da2a4ea6c71c346496d2ac36e43b5
Create a PSBT to spend this UTXO:
$ bitcoin-cli createpsbt "[{\"txid\":\"0b30a06e2653b84b0b976559a0efc9018a6da2a4ea6c71c346496d2ac36e43b5\",\"vout\":1}]" "[{\"tb1qvl3a3l8ejuyk62qfz2kjjxdndcrk99ldxchqvx\":\"0.0009\"}]"
cHNidP8BAFICAAAAAbVDbsMqbUlGw3Fs6qSibYoBye+gWWWXC0u4UyZuoDALAQAAAAD9////AZBfAQAAAAAAFgAUZ+PY/PmXCW0oCRKtKRmzbgdil+0AAAAAAAAA
You will get
"complete": false
in the output if you try signing it with any 2 wallets using
walletprocesspsbt
or individually sign, combine with
combinepsbt
followed by
finalizepsbt
Import multisig address in m1, descriptor (has all public keys) in m2 and redeemscript in m3 wallet:
$ bitcoin-cli -rpcwallet=m1 importmulti '[{ "scriptPubKey": { "address": "2N7WpySLj8bBGFrZE8hxQUm29ZCwaqz5FvT" }, "timestamp":"now", "watchonly": true }]'
[
{
"success": true
}
]
$ bitcoin-cli -rpcwallet=m2 importmulti '[{ "desc": "sh(multi(2,039927842080cc4a22d2d4a63c13b3d9a66564e230775981f03976787afe6cf716,0359591df29bbcdb8fb2e4cde5d92ecc8c6698d9f0ab27f2f76938cdddc2323279,037e44526a83fdb2c89de80356eeda1bbfdb3738a1b3b70c3c71ea95feaeec4046))#jqk9dcqj", "timestamp":"now", "watchonly": true }]'
[
{
"success": true
}
]
$ bitcoin-cli -rpcwallet=m3 importmulti '[{ "scriptPubKey": "a9149c85346a6ea0c2b6c6904e5c464df6ef84fe170587", "redeemscript": "5221039927842080cc4a22d2d4a63c13b3d9a66564e230775981f03976787afe6cf716210359591df29bbcdb8fb2e4cde5d92ecc8c6698d9f0ab27f2f76938cdddc232327921037e44526a83fdb2c89de80356eeda1bbfdb3738a1b3b70c3c71ea95feaeec404653ae", "timestamp":"now", "watchonly": true }]'
[
{
"success": true
}
]
Try signing it with m1 and m2 or m1 and m3. It won't work.
$ bitcoin-cli -rpcwallet=m1 walletprocesspsbt cHNidP8BAFICAAAAAbVDbsMqbUlGw3Fs6qSibYoBye+gWWWXC0u4UyZuoDALAQAAAAD9////AZBfAQAAAAAAFgAUZ+PY/PmXCW0oCRKtKRmzbgdil+0AAAAAAAAA
{
"psbt": "cHNidP8BAFICAAAAAbVDbsMqbUlGw3Fs6qSibYoBye+gWWWXC0u4UyZuoDALAQAAAAD9////AZBfAQAAAAAAFgAUZ+PY/PmXCW0oCRKtKRmzbgdil+0AAAAAAAEAcgIAAAABf9MjFLP83xBP8nl17j6VId+Y2UW/5seoLnxCqNnLOAcAAAAAAP7///8CMew0w1QGAAAWABRA3SSDttwD9s5g86KiG+bhufb1caCGAQAAAAAAF6kUnIU0am6gwrbGkE5cRk3274T+FwWH1qYBAAAA",
"complete": false
}
$ bitcoin-cli -rpcwallet=m2 walletprocesspsbt cHNidP8BAFICAAAAAbVDbsMqbUlGw3Fs6qSibYoBye+gWWWXC0u4UyZuoDALAQAAAAD9////AZBfAQAAAAAAFgAUZ+PY/PmXCW0oCRKtKRmzbgdil+0AAAAAAAEAcgIAAAABf9MjFLP83xBP8nl17j6VId+Y2UW/5seoLnxCqNnLOAcAAAAAAP7///8CMew0w1QGAAAWABRA3SSDttwD9s5g86KiG+bhufb1caCGAQAAAAAAF6kUnIU0am6gwrbGkE5cRk3274T+FwWH1qYBAAAA
{
"psbt": "cHNidP8BAFICAAAAAbVDbsMqbUlGw3Fs6qSibYoBye+gWWWXC0u4UyZuoDALAQAAAAD9////AZBfAQAAAAAAFgAUZ+PY/PmXCW0oCRKtKRmzbgdil+0AAAAAAAEAcgIAAAABf9MjFLP83xBP8nl17j6VId+Y2UW/5seoLnxCqNnLOAcAAAAAAP7///8CMew0w1QGAAAWABRA3SSDttwD9s5g86KiG+bhufb1caCGAQAAAAAAF6kUnIU0am6gwrbGkE5cRk3274T+FwWH1qYBACICA1lZHfKbvNuPsuTN5dkuzIxmmNnwqyfy92k4zd3CMjJ5RzBEAiB1+POriSk9sPSZnMxkCE6oDKiLmYNW5KxuRN/q0nJJmgIgWM3ZX3ryJEDKhcyM4NI9wnLpMqkIXZwTueM33kYUysgBAQRpUiEDmSeEIIDMSiLS1KY8E7PZpmVk4jB3WYHwOXZ4ev5s9xYhA1lZHfKbvNuPsuTN5dkuzIxmmNnwqyfy92k4zd3CMjJ5IQN+RFJqg/2yyJ3oA1bu2hu/2zc4obO3DDxx6pX+ruxARlOuIgYDWVkd8pu824+y5M3l2S7MjGaY2fCrJ/L3aTjN3cIyMnkExzmGAiIGA35EUmqD/bLInegDVu7aG7/bNzihs7cMPHHqlf6u7EBGBIup2JAiBgOZJ4QggMxKItLUpjwTs9mmZWTiMHdZgfA5dnh6/mz3FgQ9xFj9AAA=",
"complete": false
}
However, it will work with m2 and m3:
$ bitcoin-cli -rpcwallet=m2 walletprocesspsbt cHNidP8BAFICAAAAAbVDbsMqbUlGw3Fs6qSibYoBye+gWWWXC0u4UyZuoDALAQAAAAD9////AZBfAQAAAAAAFgAUZ+PY/PmXCW0oCRKtKRmzbgdil+0AAAAAAAAA
{
"psbt": "cHNidP8BAFICAAAAAbVDbsMqbUlGw3Fs6qSibYoBye+gWWWXC0u4UyZuoDALAQAAAAD9////AZBfAQAAAAAAFgAUZ+PY/PmXCW0oCRKtKRmzbgdil+0AAAAAAAEAcgIAAAABf9MjFLP83xBP8nl17j6VId+Y2UW/5seoLnxCqNnLOAcAAAAAAP7///8CMew0w1QGAAAWABRA3SSDttwD9s5g86KiG+bhufb1caCGAQAAAAAAF6kUnIU0am6gwrbGkE5cRk3274T+FwWH1qYBACICA1lZHfKbvNuPsuTN5dkuzIxmmNnwqyfy92k4zd3CMjJ5RzBEAiB1+POriSk9sPSZnMxkCE6oDKiLmYNW5KxuRN/q0nJJmgIgWM3ZX3ryJEDKhcyM4NI9wnLpMqkIXZwTueM33kYUysgBAQRpUiEDmSeEIIDMSiLS1KY8E7PZpmVk4jB3WYHwOXZ4ev5s9xYhA1lZHfKbvNuPsuTN5dkuzIxmmNnwqyfy92k4zd3CMjJ5IQN+RFJqg/2yyJ3oA1bu2hu/2zc4obO3DDxx6pX+ruxARlOuIgYDWVkd8pu824+y5M3l2S7MjGaY2fCrJ/L3aTjN3cIyMnkExzmGAiIGA35EUmqD/bLInegDVu7aG7/bNzihs7cMPHHqlf6u7EBGBIup2JAiBgOZJ4QggMxKItLUpjwTs9mmZWTiMHdZgfA5dnh6/mz3FgQ9xFj9AAA=",
"complete": false
}
$ bitcoin-cli -rpcwallet=m3 walletprocesspsbt cHNidP8BAFICAAAAAbVDbsMqbUlGw3Fs6qSibYoBye+gWWWXC0u4UyZuoDALAQAAAAD9////AZBfAQAAAAAAFgAUZ+PY/PmXCW0oCRKtKRmzbgdil+0AAAAAAAEAcgIAAAABf9MjFLP83xBP8nl17j6VId+Y2UW/5seoLnxCqNnLOAcAAAAAAP7///8CMew0w1QGAAAWABRA3SSDttwD9s5g86KiG+bhufb1caCGAQAAAAAAF6kUnIU0am6gwrbGkE5cRk3274T+FwWH1qYBACICA1lZHfKbvNuPsuTN5dkuzIxmmNnwqyfy92k4zd3CMjJ5RzBEAiB1+POriSk9sPSZnMxkCE6oDKiLmYNW5KxuRN/q0nJJmgIgWM3ZX3ryJEDKhcyM4NI9wnLpMqkIXZwTueM33kYUysgBAQRpUiEDmSeEIIDMSiLS1KY8E7PZpmVk4jB3WYHwOXZ4ev5s9xYhA1lZHfKbvNuPsuTN5dkuzIxmmNnwqyfy92k4zd3CMjJ5IQN+RFJqg/2yyJ3oA1bu2hu/2zc4obO3DDxx6pX+ruxARlOuIgYDWVkd8pu824+y5M3l2S7MjGaY2fCrJ/L3aTjN3cIyMnkExzmGAiIGA35EUmqD/bLInegDVu7aG7/bNzihs7cMPHHqlf6u7EBGBIup2JAiBgOZJ4QggMxKItLUpjwTs9mmZWTiMHdZgfA5dnh6/mz3FgQ9xFj9AAA=
{
"psbt": "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",
"complete": true
}
This transaction can be finalized and broadcasted:
$ bitcoin-cli finalizepsbt 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
{
"hex": "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",
"complete": true
}
$ bitcoin-cli sendrawtransaction 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
6f56b1b93a6053cb9e7b91ae4786a20f8d34f1d183022142c2fbf8a16d780766
Tx:
6f56b1b93a6053cb9e7b91ae4786a20f8d34f1d183022142c2fbf8a16d780766
You might also find this interesting:
https://github.com/1440000bytes/p2p
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Quoted from Forex.com.bd-Editorial External answer — Bitcoin Stack Exchange Author: user133407 Source score (net votes, not local likes): 0 Original post: https://bitcoin.stackexchange.com/a/115246 License: CC BY-SA 4.0 — https://creativecommons.org/licenses/by-sa/4.0/ Adaptation: HTML converted to plain text; contact email addresses removed. All public keys or redeem script/witness script is required to sign the transaction when spending bitcoin multisig UTXO. An experiment to see if you can sign the transaction without public keys: Run bitcoind -signet=1 -rpcport=38332 -rpcuser=user -rpcpassword=password Create 3 wallets m1, m2 and m3 $ bitcoin-cli -named createwallet wallet_name=m1 descriptors=false Get 3 public keys from each wallet: $ bitcoin-cli -rpcwallet=m1 getnewaddress tb1q8hz93lwkmzjq2yapxr6mnsfwjt5wvp2f5zgm98 $ bitcoin-cli -rpcwallet=m1 getaddressinfo tb1q8hz93lwkmzjq2yapxr6mnsfwjt5wvp2f5zgm98 { "address": "tb1q8hz93lwkmzjq2yapxr6mnsfwjt5wvp2f5zgm98", "scriptPubKey": "00143dc458fdd6d8a40513a130f5b9c12e92e8e60549", "ismine": true, "solvable": true, "desc": "wpkh([045471ed/0'/0'/1']039927842080cc4a22d2d4a63c13b3d9a66564e230775981f03976787afe6cf716)#wht4f5zk", "iswatchonly": false, "isscript": false, "iswitness": true, "witness_version": 0, "witness_program": "3dc458fdd6d8a40513a130f5b9c12e92e8e60549", "pubkey": "039927842080cc4a22d2d4a63c13b3d9a66564e230775981f03976787afe6cf716", "ischange": false, "timestamp": 1663309171, "hdkeypath": "m/0'/0'/1'", "hdseedid": "ccd54fe6a42efde5251f8443f1edd7ebcf25fefa", "hdmasterfingerprint": "045471ed", "labels": [ "" ] } Create 2 of 3 multisig with the public keys: $ bitcoin-cli createmultisig 2 "[\"039927842080cc4a22d2d4a63c13b3d9a66564e230775981f03976787afe6cf716\",\"0359591df29bbcdb8fb2e4cde5d92ecc8c6698d9f0ab27f2f76938cdddc2323279\",\"037e44526a83fdb2c89de80356eeda1bbfdb3738a1b3b70c3c71ea95feaeec4046\"]" { "address": "2N7WpySLj8bBGFrZE8hxQUm29ZCwaqz5FvT", "redeemScript": "5221039927842080cc4a22d2d4a63c13b3d9a66564e230775981f03976787afe6cf716210359591df29bbcdb8fb2e4cde5d92ecc8c6698d9f0ab27f2f76938cdddc232327921037e44526a83fdb2c89de80356eeda1bbfdb3738a1b3b70c3c71ea95feaeec404653ae", "descriptor": "sh(multi(2,039927842080cc4a22d2d4a63c13b3d9a66564e230775981f03976787afe6cf716,0359591df29bbcdb8fb2e4cde5d92ecc8c6698d9f0ab27f2f76938cdddc2323279,037e44526a83fdb2c89de80356eeda1bbfdb3738a1b3b70c3c71ea95feaeec4046))#jqk9dcqj" } Send 0.001 sBTC to multisig address using signet faucet : 0b30a06e2653b84b0b976559a0efc9018a6da2a4ea6c71c346496d2ac36e43b5 Create a PSBT to spend this UTXO: $ bitcoin-cli createpsbt "[{\"txid\":\"0b30a06e2653b84b0b976559a0efc9018a6da2a4ea6c71c346496d2ac36e43b5\",\"vout\":1}]" "[{\"tb1qvl3a3l8ejuyk62qfz2kjjxdndcrk99ldxchqvx\":\"0.0009\"}]" cHNidP8BAFICAAAAAbVDbsMqbUlGw3Fs6qSibYoBye+gWWWXC0u4UyZuoDALAQAAAAD9////AZBfAQAAAAAAFgAUZ+PY/PmXCW0oCRKtKRmzbgdil+0AAAAAAAAA You will get "complete": false in the output if you try signing it with any 2 wallets using walletprocesspsbt or individually sign, combine with combinepsbt followed by finalizepsbt Import multisig address in m1, descriptor (has all public keys) in m2 and redeemscript in m3 wallet: $ bitcoin-cli -rpcwallet=m1 importmulti '[{ "scriptPubKey": { "address": "2N7WpySLj8bBGFrZE8hxQUm29ZCwaqz5FvT" }, "timestamp":"now", "watchonly": true }]' [ { "success": true } ] $ bitcoin-cli -rpcwallet=m2 importmulti '[{ "desc": "sh(multi(2,039927842080cc4a22d2d4a63c13b3d9a66564e230775981f03976787afe6cf716,0359591df29bbcdb8fb2e4cde5d92ecc8c6698d9f0ab27f2f76938cdddc2323279,037e44526a83fdb2c89de80356eeda1bbfdb3738a1b3b70c3c71ea95feaeec4046))#jqk9dcqj", "timestamp":"now", "watchonly": true }]' [ { "success": true } ] $ bitcoin-cli -rpcwallet=m3 importmulti '[{ "scriptPubKey": "a9149c85346a6ea0c2b6c6904e5c464df6ef84fe170587", "redeemscript": "5221039927842080cc4a22d2d4a63c13b3d9a66564e230775981f03976787afe6cf716210359591df29bbcdb8fb2e4cde5d92ecc8c6698d9f0ab27f2f76938cdddc232327921037e44526a83fdb2c89de80356eeda1bbfdb3738a1b3b70c3c71ea95feaeec404653ae", "timestamp":"now", "watchonly": true }]' [ { "success": true } ] Try signing it with m1 and m2 or m1 and m3. It won't work. $ bitcoin-cli -rpcwallet=m1 walletprocesspsbt cHNidP8BAFICAAAAAbVDbsMqbUlGw3Fs6qSibYoBye+gWWWXC0u4UyZuoDALAQAAAAD9////AZBfAQAAAAAAFgAUZ+PY/PmXCW0oCRKtKRmzbgdil+0AAAAAAAAA { "psbt": "cHNidP8BAFICAAAAAbVDbsMqbUlGw3Fs6qSibYoBye+gWWWXC0u4UyZuoDALAQAAAAD9////AZBfAQAAAAAAFgAUZ+PY/PmXCW0oCRKtKRmzbgdil+0AAAAAAAEAcgIAAAABf9MjFLP83xBP8nl17j6VId+Y2UW/5seoLnxCqNnLOAcAAAAAAP7///8CMew0w1QGAAAWABRA3SSDttwD9s5g86KiG+bhufb1caCGAQAAAAAAF6kUnIU0am6gwrbGkE5cRk3274T+FwWH1qYBAAAA", "complete": false } $ bitcoin-cli -rpcwallet=m2 walletprocesspsbt cHNidP8BAFICAAAAAbVDbsMqbUlGw3Fs6qSibYoBye+gWWWXC0u4UyZuoDALAQAAAAD9////AZBfAQAAAAAAFgAUZ+PY/PmXCW0oCRKtKRmzbgdil+0AAAAAAAEAcgIAAAABf9MjFLP83xBP8nl17j6VId+Y2UW/5seoLnxCqNnLOAcAAAAAAP7///8CMew0w1QGAAAWABRA3SSDttwD9s5g86KiG+bhufb1caCGAQAAAAAAF6kUnIU0am6gwrbGkE5cRk3274T+FwWH1qYBAAAA { "psbt": "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", "complete": false } However, it will work with m2 and m3: $ bitcoin-cli -rpcwallet=m2 walletprocesspsbt cHNidP8BAFICAAAAAbVDbsMqbUlGw3Fs6qSibYoBye+gWWWXC0u4UyZuoDALAQAAAAD9////AZBfAQAAAAAAFgAUZ+PY/PmXCW0oCRKtKRmzbgdil+0AAAAAAAAA { "psbt": "cHNidP8BAFICAAAAAbVDbsMqbUlGw3Fs6qSibYoBye+gWWWXC0u4UyZuoDALAQAAAAD9////AZBfAQAAAAAAFgAUZ+PY/PmXCW0oCRKtKRmzbgdil+0AAAAAAAEAcgIAAAABf9MjFLP83xBP8nl17j6VId+Y2UW/5seoLnxCqNnLOAcAAAAAAP7///8CMew0w1QGAAAWABRA3SSDttwD9s5g86KiG+bhufb1caCGAQAAAAAAF6kUnIU0am6gwrbGkE5cRk3274T+FwWH1qYBACICA1lZHfKbvNuPsuTN5dkuzIxmmNnwqyfy92k4zd3CMjJ5RzBEAiB1+POriSk9sPSZnMxkCE6oDKiLmYNW5KxuRN/q0nJJmgIgWM3ZX3ryJEDKhcyM4NI9wnLpMqkIXZwTueM33kYUysgBAQRpUiEDmSeEIIDMSiLS1KY8E7PZpmVk4jB3WYHwOXZ4ev5s9xYhA1lZHfKbvNuPsuTN5dkuzIxmmNnwqyfy92k4zd3CMjJ5IQN+RFJqg/2yyJ3oA1bu2hu/2zc4obO3DDxx6pX+ruxARlOuIgYDWVkd8pu824+y5M3l2S7MjGaY2fCrJ/L3aTjN3cIyMnkExzmGAiIGA35EUmqD/bLInegDVu7aG7/bNzihs7cMPHHqlf6u7EBGBIup2JAiBgOZJ4QggMxKItLUpjwTs9mmZWTiMHdZgfA5dnh6/mz3FgQ9xFj9AAA=", "complete": false } $ bitcoin-cli -rpcwallet=m3 walletprocesspsbt 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 { "psbt": "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", "complete": true } This transaction can be finalized and broadcasted: $ bitcoin-cli finalizepsbt 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 { "hex": "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", "complete": true } $ bitcoin-cli sendrawtransaction 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 6f56b1b93a6053cb9e7b91ae4786a20f8d34f1d183022142c2fbf8a16d780766 Tx: 6f56b1b93a6053cb9e7b91ae4786a20f8d34f1d183022142c2fbf8a16d780766 You might also find this interesting: https://github.com/1440000bytes/p2p
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