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05_3_Funding_a_Transaction_with_CPFP.md
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@ -24,49 +24,67 @@ Funding a transaction with CPFP is a very simple process using the methods you'r
``` ```
$ bitcoin-cli getrawmempool $ bitcoin-cli getrawmempool
[ [
"ed7f68d9e363f710379c83baca1b71360b3a2ceaf62f8414a26b6680f77e132b" "95d51e813daeb9a861b2dcdddf1da8c198d06452bbbecfd827447881ff79e061"
] ]
$ bitcoin-cli getrawtransaction ed7f68d9e363f710379c83baca1b71360b3a2ceaf62f8414a26b6680f77e132b 1 $ bitcoin-cli getrawtransaction 95d51e813daeb9a861b2dcdddf1da8c198d06452bbbecfd827447881ff79e061 true
{ {
"hex": "02000000010d5151273464ac8fa74c1b57ff8e4650b8e190c488b1cfadae6561ac3988e83c000000006a473044022059c402379c8e7d5bf60840fc75497ee67694e6dfc9b0391c59b4b202edf4194b0220686c5a27bee1a9214e410cbce3d11e47ca57736d7546ba208adcc068a3f826f5012103fb14f31f5f143463198a3e79c7529cae529a32857ada29bec26f7ea9d8ea67f3ffffffff0130e1be07000000001976a914cbecb861750ee3b00ea845f5c1efa72d1c541cec88ac00000000", "txid": "95d51e813daeb9a861b2dcdddf1da8c198d06452bbbecfd827447881ff79e061",
"txid": "ed7f68d9e363f710379c83baca1b71360b3a2ceaf62f8414a26b6680f77e132b", "hash": "9729e47b8aee776112a82cec46df7638d112ca51856c53e238a9b1f7af3be4ce",
"hash": "ed7f68d9e363f710379c83baca1b71360b3a2ceaf62f8414a26b6680f77e132b",
"size": 191,
"vsize": 191,
"version": 2, "version": 2,
"locktime": 0, "size": 247,
"vsize": 166,
"weight": 661,
"locktime": 1773277,
"vin": [ "vin": [
{ {
"txid": "3ce88839ac6165aeadcfb188c490e1b850468eff571b4ca78fac64342751510d", "txid": "7a0178472300247d423ac4a04ff9165fa5b944104f6d6f9ebc557c6d207e7524",
"vout": 0, "vout": 0,
"scriptSig": { "scriptSig": {
"asm": "3044022059c402379c8e7d5bf60840fc75497ee67694e6dfc9b0391c59b4b202edf4194b0220686c5a27bee1a9214e410cbce3d11e47ca57736d7546ba208adcc068a3f826f5[ALL] 03fb14f31f5f143463198a3e79c7529cae529a32857ada29bec26f7ea9d8ea67f3", "asm": "0014334f3a112df0f22e743ad97eec8195a00faa59a0",
"hex": "473044022059c402379c8e7d5bf60840fc75497ee67694e6dfc9b0391c59b4b202edf4194b0220686c5a27bee1a9214e410cbce3d11e47ca57736d7546ba208adcc068a3f826f5012103fb14f31f5f143463198a3e79c7529cae529a32857ada29bec26f7ea9d8ea67f3" "hex": "160014334f3a112df0f22e743ad97eec8195a00faa59a0"
}, },
"sequence": 4294967295 "txinwitness": [
"304402207966aa87db340841d76d3c3596d8b4858e02aed1c02d87098dcedbc60721d8940220218aac9d728c9a485820b074804a8c5936fa3145ce68e24dcf477024b19e88ae01",
"03574b1328a5dc2d648498fc12523cdf708efd091c28722a422d122f8a0db8daa9"
],
"sequence": 4294967294
} }
], ],
"vout": [ "vout": [
{ {
"value": 1.29950000, "value": 0.01000000,
"n": 0, "n": 0,
"scriptPubKey": { "scriptPubKey": {
"asm": "OP_DUP OP_HASH160 cbecb861750ee3b00ea845f5c1efa72d1c541cec OP_EQUALVERIFY OP_CHECKSIG", "asm": "OP_HASH160 f079f77f2ef0ef1187093379d128ec28d0b4bf76 OP_EQUAL",
"hex": "76a914cbecb861750ee3b00ea845f5c1efa72d1c541cec88ac", "hex": "a914f079f77f2ef0ef1187093379d128ec28d0b4bf7687",
"reqSigs": 1, "reqSigs": 1,
"type": "pubkeyhash", "type": "scripthash",
"addresses": [ "addresses": [
"mz7D3c6tMtNXV6CTsEwDBJ2vhSVTo9bSMN" "2NFAkGiwnp8wvCodRBx3smJwxncuG3hndn5"
]
}
},
{
"value": 0.02598722,
"n": 1,
"scriptPubKey": {
"asm": "OP_HASH160 8799be12fb9eae6644659d95b9602ddfbb4b2aff OP_EQUAL",
"hex": "a9148799be12fb9eae6644659d95b9602ddfbb4b2aff87",
"reqSigs": 1,
"type": "scripthash",
"addresses": [
"2N5cDPPuCTtYq13oXw8RfpY9dHJW8sL64U2"
] ]
} }
} }
] ],
"hex": "0200000000010124757e206d7c55bc9e6f6d4f1044b9a55f16f94fa0c43a427d2400234778017a0000000017160014334f3a112df0f22e743ad97eec8195a00faa59a0feffffff0240420f000000000017a914f079f77f2ef0ef1187093379d128ec28d0b4bf768742a727000000000017a9148799be12fb9eae6644659d95b9602ddfbb4b2aff870247304402207966aa87db340841d76d3c3596d8b4858e02aed1c02d87098dcedbc60721d8940220218aac9d728c9a485820b074804a8c5936fa3145ce68e24dcf477024b19e88ae012103574b1328a5dc2d648498fc12523cdf708efd091c28722a422d122f8a0db8daa9dd0e1b00"
} }
``` ```
Look through the `vout` array. Find the object that matches your address. (Here, it's the only one.) The `n` value is your `vout`. You now have everything you need to create a new CPFP transaction. Look through the `vout` array. Find the object that matches your address. (Here, it's the only one.) The `n` value is your `vout`. You now have everything you need to create a new CPFP transaction.
``` ```
$ utxo_txid=ed7f68d9e363f710379c83baca1b71360b3a2ceaf62f8414a26b6680f77e132b $ utxo_txid=2NFAkGiwnp8wvCodRBx3smJwxncuG3hndn5
$ utxo_vout=0 $ utxo_vout=0
$ recipient2=$(bitcoin-cli getrawchangeaddress) $ recipient2=$(bitcoin-cli getrawchangeaddress)
``` ```
@ -76,7 +94,7 @@ $ recipient2=$(bitcoin-cli getrawchangeaddress)
When you take these steps, everything should look totally normal, despite the fact that you're working with an unconfirmed transaction. To verify that all was well, we even looked at the results of our signature before we saved off the information to a variable: When you take these steps, everything should look totally normal, despite the fact that you're working with an unconfirmed transaction. To verify that all was well, we even looked at the results of our signature before we saved off the information to a variable:
``` ```
$ rawtxhex=$(bitcoin-cli -named createrawtransaction inputs='''[ { "txid": "'$utxo_txid'", "vout": '$utxo_vout' } ]''' outputs='''{ "'$recipient2'": 1.2985 }''') $ rawtxhex=$(bitcoin-cli -named createrawtransaction inputs='''[ { "txid": "'$utxo_txid'", "vout": '$utxo_vout' } ]''' outputs='''{ "'$recipient2'": 0.03597 }''')
$ bitcoin-cli -named signrawtransaction hexstring=$rawtxhex | jq -r '.hex' $ bitcoin-cli -named signrawtransaction hexstring=$rawtxhex | jq -r '.hex'
02000000012b137ef780666ba214842ff6ea2c3a0b36711bcaba839c3710f763e3d9687fed000000006a473044022003ca1f6797d781ef121ba7c2d1d41d763a815e9dad52aa8bc5ea61e4d521f68e022036b992e8e6bf2c44748219ca6e0056a88e8250f6fd0794dc69f79a2e8993671601210317b163ab8c8862e09c71767112b828abd3852e315441893fa0f535de4fa39b8dffffffff01905abd07000000001976a91450b1d90a130c4f3f1e5fbfa7320fd36b7265db0488ac00000000 02000000012b137ef780666ba214842ff6ea2c3a0b36711bcaba839c3710f763e3d9687fed000000006a473044022003ca1f6797d781ef121ba7c2d1d41d763a815e9dad52aa8bc5ea61e4d521f68e022036b992e8e6bf2c44748219ca6e0056a88e8250f6fd0794dc69f79a2e8993671601210317b163ab8c8862e09c71767112b828abd3852e315441893fa0f535de4fa39b8dffffffff01905abd07000000001976a91450b1d90a130c4f3f1e5fbfa7320fd36b7265db0488ac00000000