Bitcoin walletcreatefundedpsbt用法及代碼示例

[
  {                              (json object)
    "txid": "hex",               (string, required) The transaction id
    "vout": n,                   (numeric, required) The output number
    "sequence": n,               (numeric, required) The sequence number
  },
  ...
]

[
  {                              (json object)
    "address": amount,           (numeric or string, required) A key-value pair. The key (string) is the bitcoin address, the value (float or string) is the amount in BTC
  },
  {                              (json object)
    "data": "hex",               (string, required) A key-value pair. The key must be "data", the value is hex-encoded data
  },
  ...
]

{
  "changeAddress": "hex",        (string, optional, default=pool address) The bitcoin address to receive the change
  "changePosition": n,           (numeric, optional, default=random) The index of the change output
  "change_type": "str",          (string, optional, default=set by -changetype) The output type to use. Only valid if changeAddress is not specified. Options are "legacy", "p2sh-segwit", and "bech32".
  "includeWatching": bool,       (boolean, optional, default=false) Also select inputs which are watch only
  "lockUnspents": bool,          (boolean, optional, default=false) Lock selected unspent outputs
  "feeRate": amount,             (numeric or string, optional, default=not set: makes wallet determine the fee) Set a specific fee rate in BTC/kB
  "subtractFeeFromOutputs": [    (json array, optional, default=empty array) A json array of integers.
                                 The fee will be equally deducted from the amount of each specified output.
                                 Those recipients will receive less bitcoins than you enter in their corresponding amount field.
                                 If no outputs are specified here, the sender pays the fee.
    vout_index,                  (numeric) The zero-based output index, before a change output is added.
    ...
  ],

{
  "psbt": "value",        (string)  The resulting raw transaction (base64-encoded string)
  "fee":       n,         (numeric) Fee in BTC the resulting transaction pays
  "changepos": n          (numeric) The position of the added change output, or -1
}

bitcoin-cli walletcreatefundedpsbt "[{\"txid\":\"myid\",\"vout\":0}]" "[{\"data\":\"00010203\"}]"