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https://github.com/ChristopherA/Learning-Bitcoin-from-the-Command-Line.git
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corrected examples (note: getaddressinfo), re-redited
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Shannon Appelcline
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@ -10,7 +10,7 @@ The methodology for automated raw transactions is simple: you create a raw trans
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In order to use this command, you'll need to ensure that your ~/.bitcoin/bitcoin.conf file contains rational variables for calculating transaction fees. Please see [§4.1: Sending Coins The Easy Way](04_1_Sending_Coins_The_Easy_Way.md) for more information on this.
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For very conservative numbers, we suggested adding the following to the bitcoin.conf:
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For very conservative numbers, we suggested adding the following to the `bitcoin.conf`:
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```
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mintxfee=0.0001
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txconfirmtarget=6
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@ -23,9 +23,10 @@ txconfirmtarget=1
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## Create a Bare Bones Raw Transaction
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To use `fundrawtransaction` you first need to create a bare-bones raw transaction that lists _no_ inputs and _no_ change address. You'll just list your recipient and how much you want to send them:
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To use `fundrawtransaction` you first need to create a bare-bones raw transaction that lists _no_ inputs and _no_ change address. You'll just list your recipient and how much you want to send them, in this case `$recipient` and `0.0002` BTC.
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```
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$ unfinishedtx=$(bitcoin-cli -named createrawtransaction inputs='''[]''' outputs='''{ "'$recipient'": 1.0 }''')
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$ recipient=n2eMqTT929pb1RDNuqEnxdaLau1rxy3efi
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$ unfinishedtx=$(bitcoin-cli -named createrawtransaction inputs='''[]''' outputs='''{ "'$recipient'": 0.0002 }''')
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```
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## Fund Your Bare Bones Transaction
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@ -34,9 +35,9 @@ You then tell `bitcoin-cli` to fund that bare-bones transaction:
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```
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$ bitcoin-cli -named fundrawtransaction hexstring=$unfinishedtx
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{
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"hex": "020000000169847669938c6a66ef790b87ebb6233059609bee4601476c5948db1a4defc9690100000000feffffff02a8e30f05000000001976a914a6f0ee37c44947f4137d56e4aab12f27ad50369188ac00e1f505000000001976a914e7c1345fc8f87c68170b3aa798a956c2fe6a9eff88ac00000000",
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"changepos": 0,
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"fee": 0.00022600
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"hex": "02000000012db87641c6a21e5a68b20c226428544978e6ac44964d5d8060d7388000c584eb0100000000feffffff02204e0000000000001976a914e7c1345fc8f87c68170b3aa798a956c2fe6a9eff88ac781e0000000000001600140cc9cdcf45d4ea17f5227a7ead52367aad10a88400000000",
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"fee": 0.00022200,
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"changepos": 1
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}
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```
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That provides a lot of useful information, but once you're confident with how it works, you'll want to use JQ to save your hex to a variable, as usual:
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@ -51,15 +52,16 @@ Running `decoderawtransaction` will show that the raw transaction is now laid ou
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```
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$ bitcoin-cli -named decoderawtransaction hexstring=$rawtxhex3
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{
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"txid": "2e34603b7449d29412fb7b0d184085d4d839d965f2bba361749c20d9dbae3d0b",
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"hash": "2e34603b7449d29412fb7b0d184085d4d839d965f2bba361749c20d9dbae3d0b",
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"size": 119,
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"vsize": 119,
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"txid": "b3b4c2057dbfbef6690e975ede92fde805ddea13c730f58401939a52c9ac1b99",
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"hash": "b3b4c2057dbfbef6690e975ede92fde805ddea13c730f58401939a52c9ac1b99",
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"version": 2,
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"size": 116,
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"vsize": 116,
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"weight": 464,
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"locktime": 0,
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"vin": [
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{
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"txid": "69c9ef4d1adb48596c470146ee9b60593023b6eb870b79ef666a8c9369768469",
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"txid": "eb84c5008038d760805d4d9644ace67849542864220cb2685a1ea2c64176b82d",
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"vout": 1,
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"scriptSig": {
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"asm": "",
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@ -70,21 +72,8 @@ $ bitcoin-cli -named decoderawtransaction hexstring=$rawtxhex3
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],
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"vout": [
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{
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"value": 0.84927400,
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"value": 0.00020000,
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"n": 0,
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"scriptPubKey": {
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"asm": "OP_DUP OP_HASH160 123cd8796558d195e52137ce3800e5f8120ee46f OP_EQUALVERIFY OP_CHECKSIG",
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"hex": "76a914123cd8796558d195e52137ce3800e5f8120ee46f88ac",
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"reqSigs": 1,
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"type": "pubkeyhash",
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"addresses": [
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"mhBPM8hU2PHjDTUvwa3SC7pqv8ExkK6mH8"
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]
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}
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},
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{
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"value": 1.00000000,
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"n": 1,
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"scriptPubKey": {
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"asm": "OP_DUP OP_HASH160 e7c1345fc8f87c68170b3aa798a956c2fe6a9eff OP_EQUALVERIFY OP_CHECKSIG",
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"hex": "76a914e7c1345fc8f87c68170b3aa798a956c2fe6a9eff88ac",
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@ -94,30 +83,50 @@ $ bitcoin-cli -named decoderawtransaction hexstring=$rawtxhex3
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"n2eMqTT929pb1RDNuqEnxdaLau1rxy3efi"
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]
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}
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},
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{
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"value": 0.00007800,
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"n": 1,
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"scriptPubKey": {
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"asm": "0 a782f4c6e1e75a5b24f3d675d6f11b5ebf3b2142",
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"hex": "0014a782f4c6e1e75a5b24f3d675d6f11b5ebf3b2142",
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"reqSigs": 1,
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"type": "witness_v0_keyhash",
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"addresses": [
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"tb1q57p0f3hpuad9kf8n6e6adugmt6lnkg2zzr592r"
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]
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}
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}
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]
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}
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```
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We saw the fee in the more extensive output, before we saved the hex to a variable with JQ, but you can verify it with the `btctxfee` JQ alias created in the [JQ Interlude](https://github.com/BlockchainCommons/Learning-Bitcoin-from-the-Command-Line/blob/master/04_2__Interlude_Using_JQ.md):
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We saw the fee in the more extensive output, before we saved the hex to a variable with JQ, but you can verify it with the `txfee-calc.sh` JQ script created in the [JQ Interlude](https://github.com/BlockchainCommons/Learning-Bitcoin-from-the-Command-Line/blob/master/04_2__Interlude_Using_JQ.md):
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```
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$ btctxfee $rawtxhex3
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.00023
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$ ~/txfee-calc.sh $rawtxhex3
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.000222
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```
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Finally, you can use `validateaddress` to see that the generated change address really belongs to you:
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Finally, you can use `getaddressinfo` to see that the generated change address really belongs to you:
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```
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$ bitcoin-cli -named validateaddress address=mhBPM8hU2PHjDTUvwa3SC7pqv8ExkK6mH8
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$ bitcoin-cli -named getaddressinfo address=tb1q57p0f3hpuad9kf8n6e6adugmt6lnkg2zzr592r
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{
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"isvalid": true,
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"address": "mhBPM8hU2PHjDTUvwa3SC7pqv8ExkK6mH8",
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"scriptPubKey": "76a914123cd8796558d195e52137ce3800e5f8120ee46f88ac",
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"address": "tb1q57p0f3hpuad9kf8n6e6adugmt6lnkg2zzr592r",
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"scriptPubKey": "0014a782f4c6e1e75a5b24f3d675d6f11b5ebf3b2142",
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"ismine": true,
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"solvable": true,
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"desc": "wpkh([d6043800/0'/1'/10']038a2702938e548eaec28feb92c7e4722042cfd1ea16bec9fc274640dc5be05ec5)#zpv26nar",
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"iswatchonly": false,
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"isscript": false,
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"pubkey": "029045eaa55d283526c723e6d5495d9b3f077b545563f86465aafcd9bfdd50359e",Y
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"iscompressed": true,
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"timestamp": 1489170694,
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"hdkeypath": "m/0'/0'/11'",
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"hdmasterkeyid": "144a68bde927a1fed7c2b71ad9010b0201819be5"
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"iswitness": true,
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"witness_version": 0,
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"witness_program": "a782f4c6e1e75a5b24f3d675d6f11b5ebf3b2142",
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"pubkey": "038a2702938e548eaec28feb92c7e4722042cfd1ea16bec9fc274640dc5be05ec5",
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"ischange": true,
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"timestamp": 1592335137,
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"hdkeypath": "m/0'/1'/10'",
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"hdseedid": "fdea8e2630f00d29a9d6ff2af7bf5b358d061078",
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"hdmasterfingerprint": "d6043800",
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"labels": [
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]
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}
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```
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Note the `ismine` results.
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@ -128,20 +137,23 @@ At this point you can sign and send the transaction as usual.
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```
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$ signedtx3=$(bitcoin-cli -named signrawtransactionwithwallet hexstring=$rawtxhex3 | jq -r '.hex')
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$ bitcoin-cli -named sendrawtransaction hexstring=$signedtx3
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8b9dd66c999966462a3d88d6ac9405d09e2aa409c0aa830bdd08dbcbd34a36fa
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```
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In several minutes, you'll have your change back:
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```
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$ bitcoin-cli listunspent
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[
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{
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"txid": "37698ad6e7f62df07c2fbc549339aa680a7fa18328d7ad14ecb72b21c505cbc6",
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"vout": 0,
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"address": "mhBPM8hU2PHjDTUvwa3SC7pqv8ExkK6mH8",
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"scriptPubKey": "76a914123cd8796558d195e52137ce3800e5f8120ee46f88ac",
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"amount": 0.84927400,
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"txid": "8b9dd66c999966462a3d88d6ac9405d09e2aa409c0aa830bdd08dbcbd34a36fa",
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"vout": 1,
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"address": "tb1q57p0f3hpuad9kf8n6e6adugmt6lnkg2zzr592r",
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"scriptPubKey": "0014a782f4c6e1e75a5b24f3d675d6f11b5ebf3b2142",
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"amount": 0.00007800,
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"confirmations": 1,
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"spendable": true,
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"solvable": true
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"solvable": true,
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"desc": "wpkh([d6043800/0'/1'/10']038a2702938e548eaec28feb92c7e4722042cfd1ea16bec9fc274640dc5be05ec5)#zpv26nar",
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"safe": true
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}
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]
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```
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@ -158,4 +170,5 @@ If you must send funds with raw transactions then `fundrawtransaction` gives you
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## What's Next?
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Advance through "bitcoin-cli" with [Chapter Five: Controlling Bitcoin Transactions](05_0_Controlling_Bitcoin_Transactions.md).
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Complete your "Sending of Bitcoin Transactions" with [§4.6: Creating a Segwit Transaction](04_6_Creating_a_Segwit_Transaction.md).
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