22. amountの金額を指定した金額で送金
– その２でのamountが変わるのが気になったので、sendtoaddress のargumentsを変更
– aruments 5. subtractfeefromamount true -> false

$ bitcoin-core.cli -regtest -datadir=. -rpcport=10001 sendtoaddress "bcrt1qjyzl9tp964jqakvrmgm7n25fmdw4j950mvxr9p" 0.2 "drinks-2" "room79" false true null "unset" null 1.1
9ab701d8742c963f5e98d0f0e1a1a9512adf4a5b455a5ca1e02c067c6a070229

23. trnsaction result
– amount -0.20000000 で期待通り
– feeは若干上昇　0.00001910 >> 0.00002422

$ bitcoin-core.cli -regtest -conf=/home/user02/dev/alice/bitcoin.conf -datadir=. -rpcport=10001  gettransaction "9ab701d8742c963f5e98d0f0e1a1a9512adf4a5b455a5ca1e02c067c6a070229"
{
  "amount": -0.20000000,
  "fee": -0.00002422,
  "confirmations": 0,
  "trusted": true,
  "txid": "9ab701d8742c963f5e98d0f0e1a1a9512adf4a5b455a5ca1e02c067c6a070229",
  "walletconflicts": [
  ],
  "time": 1660111252,
  "timereceived": 1660111252,
  "bip125-replaceable": "yes",
  "comment": "drinks-2",
  "to": "room79",
  "details": [
    {
      "address": "bcrt1qjyzl9tp964jqakvrmgm7n25fmdw4j950mvxr9p",
      "category": "send",
      "amount": -0.20000000,
      "vout": 0,
      "fee": -0.00002422,
      "abandoned": false
    }
  ],
  "hex": "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}

24. Bob’s Balance
– Bob side

$ bitcoin-core.cli -regtest -conf=/home/user02/dev/bob/bitcoin.conf -datadir=. -rpcport=10002 getbalance
0.29996236

25. マイニング実行
– sendtoaddress = false
– Alice side

  bitcoin-core.cli -regtest -datadir=. -rpcport=10001 sendtoaddress "bcrt1qjyzl9tp964jqakvrmgm7n25fmdw4j950mvxr9p" 0.2 "drinks-2" "room79" false true null "unset" null 1.1
9ab701d8742c963f5e98d0f0e1a1a9512adf4a5b455a5ca1e02c067c6a070229

26. Bob’s Balance
– Bob side

$ bitcoin-core.cli -regtest -conf=/home/user02/dev/bob/bitcoin.conf -datadir=. -rpcport=10002 getbalance
0.49996236

27. Remittance result
– 差額 0.2/BTC で Bob に送金出来ている

0.49996236 - 0.29996236 = 0.2

28. Bob’s Balance
– Bob side

$ bitcoin-core.cli -regtest -conf=/home/user02/dev/bob/bitcoin.conf -datadir=. -rpcport=10002 getbalance
1.29996236

29. -named でsendtoaddress を実行
– Alice side

$  bitcoin-core.cli -regtest -datadir=. -rpcport=10001 -named sendtoaddress address="bcrt1qjyzl9tp964jqakvrmgm7n25fmdw4j950mvxr9p" amount=0.2 comment="drinks-4" comment_to="room82" subtractfeefromamount=false replaceable=true conf_target=null estimate_mode="unset" avoid_reuse=false fee_rate=25
2568a8916173bf624707c0f5622c15f927eb319fad37fe9fe7d871693024512b

30. listtransactions
– Alice side

$ bitcoin-core.cli -regtest -datadir=. -rpcport=10001 listtransactions
[
・・・
  {
    "address": "bcrt1qjyzl9tp964jqakvrmgm7n25fmdw4j950mvxr9p",
    "category": "send",
    "amount": -0.20000000,
    "vout": 0,
    "fee": -0.00003525,
    "confirmations": 0,
    "trusted": true,
    "txid": "2568a8916173bf624707c0f5622c15f927eb319fad37fe9fe7d871693024512b",
    "walletconflicts": [
    ],
    "time": 1660116624,
    "timereceived": 1660116624,
    "bip125-replaceable": "yes",
    "comment": "drinks-4",
    "to": "room82",
    "abandoned": false
  }
]

31.マイニング実行

$ bitcoin-core.cli -regtest -conf=/home/user02/dev/alice/bitcoin.conf -datadir=. -rpcport=10001  generatetoaddress 101 bcrt1qht58vxn8avnek2ya3wfpyv65qml9q7l5a6lpek

32. Bob’s Balance
– Bob side

$ bitcoin-core.cli -regtest -conf=/home/user02/dev/bob/bitcoin.conf -datadir=. -rpcport=10002 getbalance
1.49996236

33. Remittance result
– 差額 0.2/BTC で Bob に送金出来ている

1.49996236 - 1.29996236 = 0.2

34. fallbackfee
・ sendtoaddress に fallbackfeeのargmentは無い

$  bitcoin-core.cli -regtest -datadir=. -rpcport=10001 -named sendtoaddress address="bcrt1qjyzl9tp964jqakvrmgm7n25fmdw4j950mvxr9p" amount=0.2 comment="drinks-4" comment_to="room82" subtractfeefromamount=false replaceable=true conf_target=null estimate_mode="unset" avoid_reuse=false fee_rate=25 -fallbackfee=0.0002
error code: -8
error message:
Unknown named parameter -fallbackfee

– allbackfee はdaemon 起動時のargument

35. transaction hash(txid)からblockhashを取得し、blockを求める

$ bitcoin-core.cli -regtest -conf=/home/user02/dev/alice/bitcoin.conf -datadir=. -rpcport=10001  gettransaction 9ab701d8742c963f5e98d0f0e1a1a9512adf4a5b455a5ca1e02c067c6a070229
{
  "amount": -0.20000000,
  "fee": -0.00002422,
  "confirmations": 303,
  "blockhash": "1aec59e32608effc8a05296b9d413dac79ce42c4061e69f230da3c2d69dd941d",
  "blockheight": 5455,
  "blockindex": 1,
  "blocktime": 1660112034,
  "txid": "9ab701d8742c963f5e98d0f0e1a1a9512adf4a5b455a5ca1e02c067c6a070229",
  "walletconflicts": [
  ],
  "time": 1660111252,
  "timereceived": 1660111252,
  "bip125-replaceable": "no",
  "comment": "drinks-2",
  "to": "room79",
  "details": [
    {
      "address": "bcrt1qjyzl9tp964jqakvrmgm7n25fmdw4j950mvxr9p",
      "category": "send",
      "amount": -0.20000000,
      "vout": 0,
      "fee": -0.00002422,
      "abandoned": false
    }
  ],
  "hex": 省略
}
$ bitcoin-core.cli -regtest -conf=/home/user02/dev/alice/bitcoin.conf -datadir=. -rpcport=10001  getblock 1aec59e32608effc8a05296b9d413dac79ce42c4061e69f230da3c2d69dd941d
{
  "hash": "1aec59e32608effc8a05296b9d413dac79ce42c4061e69f230da3c2d69dd941d",
  "confirmations": 303,
  "height": 5455,
  "version": 536870912,
  "versionHex": "20000000",
  "merkleroot": "e5067b683c3f0941799418e638d71486610d028953caff5073b05f85010a27ac",
  "time": 1660112034,
  "mediantime": 1660109853,
  "nonce": 0,
  "bits": "207fffff",
  "difficulty": 4.656542373906925e-10,
  "chainwork": "0000000000000000000000000000000000000000000000000000000000002aa0",
  "nTx": 2,
  "previousblockhash": "288df875d0beffbfe8f1b8a1c2f43b6f742dd0719d8b7516133507922eb27b2f",
  "nextblockhash": "347e58f992669885ead411adba359a69c8b62725ad0349d269dda32755f34177",
  "strippedsize": 1527,
  "size": 4881,
  "weight": 9462,
  "tx": [
    "6457fe31c285590cf6531864e21b5fafc5d7331c335e292349c9039bae9f50d6",
    "9ab701d8742c963f5e98d0f0e1a1a9512adf4a5b455a5ca1e02c067c6a070229"
  ]
}

36. blockchainの状態を確認

$ bitcoin-core.cli -regtest -conf=/home/user02/dev/alice/bitcoin.conf -datadir=. -rpcport=10001  getblockchaininfo
{
  "chain": "regtest",
  "blocks": 5757,
  "headers": 5757,
  "bestblockhash": "02c98ca71ed6a99f60cee6802b263ffc2316b301686f1d80e1d4a56377ace139",
  "difficulty": 4.656542373906925e-10,
  "time": 1660116831,
  "mediantime": 1660116830,
  "verificationprogress": 1,
  "initialblockdownload": false,
  "chainwork": "0000000000000000000000000000000000000000000000000000000000002cfc",
  "size_on_disk": 1781445,
  "pruned": false,
  "warnings": ""
}

37. walletの中身を確認

$ bitcoin-core.cli -regtest -conf=/home/user02/dev/alice/bitcoin.conf -datadir=. -rpcport=10001  listaddressgroupings
[
  [
    [
      "bcrt1qqlz4ktlkd5askwd7f7fygxggyfv3qqul8cw3wh",
      117.51746642
    ],
    [
      "bcrt1qht58vxn8avnek2ya3wfpyv65qml9q7l5a6lpek",
      14830.98255472,
      ""
    ],
    [
      "bcrt1qmppakf0lmwezdutdudma00p5lpadyslntda3l9",
      0.00000000
    ]
  ]
]

37.　nodeの停止

$ pwd
/home/user02/
$ bitcoin-core.cli -regtest  -rpcport=10002 stop
Bitcoin Core stopping

$ bitcoin-core.cli -regtest -rpcport=10001 stop
Bitcoin Core stopping