通過 REST API 使用 Bitcoin-qt 跟踪輸出的支出

你如何找到輸入vin為給定輸出的交易vout？例如，以下是帶有 height 的塊的 JSON 表示1000；在這裡，挖礦獎勵被鎖定在給定的後面scriptPubKey，我有興趣找到一個將此輸出作為輸入引用的交易。

{
   "hash": "00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09",
   "confirmations": 716370,
   "height": 1000,
   "version": 1,
   "versionHex": "00000001",
   "merkleroot": "fe28050b93faea61fa88c4c630f0e1f0a1c24d0082dd0e10d369e13212128f33",
   "time": 1232346882,
   "mediantime": 1232344831,
   "nonce": 2595206198,
   "bits": "1d00ffff",
   "difficulty": 1,
   "chainwork": "000000000000000000000000000000000000000000000000000003e903e903e9",
   "nTx": 1,
   "previousblockhash": "0000000008e647742775a230787d66fdf92c46a48c896bfbc85cdc8acc67e87d",
   "nextblockhash": "00000000a2887344f8db859e372e7e4bc26b23b9de340f725afbf2edb265b4c6",
   "strippedsize": 216,
   "size": 216,
   "weight": 864,
   "tx": [
       {
           "txid": "fe28050b93faea61fa88c4c630f0e1f0a1c24d0082dd0e10d369e13212128f33",
           "hash": "fe28050b93faea61fa88c4c630f0e1f0a1c24d0082dd0e10d369e13212128f33",
           "version": 1,
           "size": 135,
           "vsize": 135,
           "weight": 540,
           "locktime": 0,
           "vin": [
               {
                   "coinbase": "04ffff001d02fd04",
                   "sequence": 4294967295
               }
           ],
           "vout": [
               {
                   "value": 50.00000000,
                   "n": 0,
                   "scriptPubKey": {
                       "asm": "04f5eeb2b10c944c6b9fbcfff94c35bdeecd93df977882babc7f3a2cf7f5c81d3b09a68db7f0e04f21de5d4230e75e6dbe7ad16eefe0d4325a62067dc6f369446a OP_CHECKSIG",
                       "hex": "4104f5eeb2b10c944c6b9fbcfff94c35bdeecd93df977882babc7f3a2cf7f5c81d3b09a68db7f0e04f21de5d4230e75e6dbe7ad16eefe0d4325a62067dc6f369446aac",
                       "type": "pubkey"
                   }
               }
           ],
           "hex": "01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff0804ffff001d02fd04ffffffff0100f2052a01000000434104f5eeb2b10c944c6b9fbcfff94c35bdeecd93df977882babc7f3a2cf7f5c81d3b09a68db7f0e04f21de5d4230e75e6dbe7ad16eefe0d4325a62067dc6f369446aac00000000"
       }
   ]
}

Bitcoin Core 不儲存此資訊。輸出會一直儲存到用完，然後從 UTXO 數據庫中刪除。交易中沒有任何資訊表明它在哪里花費（將來），因此您必須通過迭代區塊鏈中的所有交易來手動編譯這些資訊。

引用自：https://bitcoin.stackexchange.com/questions/111630