Added BumpFee rpc command

_includes/devdoc/bitcoin-core/rpcs/rpcs/bumpfee.md

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+{% comment %}
+This file is licensed under the MIT License (MIT) available on
+http://opensource.org/licenses/MIT.
+{% endcomment %}
+{% assign filename="_includes/devdoc/bitcoin-core/rpcs/rpcs/bumpfee.md" %}
+
+##### BumpFee
+{% include helpers/subhead-links.md %}
+
+{% assign summary_bumpFee="replaces an unconfirmed wallet transaction that signaled RBF with a new transaction that pays a higher fee." %}
+
+{% autocrossref %}
+
+*Added in Bitcoin Core 0.14.0*
+
+*Requires wallet support. Wallet must be unlocked.*
+
+The `bumpfee` RPC {{summary_bumpFee}} The increased fee is deducted from the change output. The command fails if the change output is too small to increase the fee or 
+if the wallet or mempool contains a transaction that spends one of the transactions outputs. The `-walletrbf` option needs to be enabled (default is `false`).
+
+*Parameter #1---The TXID of the transaction*
+
+{% itemplate ntpd1 %}
+- n: "TXID"
+  t: "string (hex)"
+  p: "Required<br>(exactly 1)"
+  d: "The id of the transaction"
+
+{% enditemplate %}
+
+*Parameter #2---Additional options*
+
+{% itemplate ntpd1 %}
+- n: "Options"
+  t: "Object"
+  p: "Optional<br>(0 or 1)"
+  d: "Additional options"
+
+- n: "→ <br>`confTarget`"
+  t: "numeric (int)"
+  p: "Optional<br>(0 or 1)"
+  d: "The confirmation target in blocks. Based on this value the new fee will be calculated using estimatefee. If not set the default target of ´6´ blocks will be used"
+  
+- n: "→ <br>`totalFee`"
+  t: "nummeric (bitcoins)"
+  p: "Optional<br>(0 or 1)"
+  d: "The total fee to pay in satoshis (not the feerate). The actual fee can be higher in rare cases if the change output is close to the dust limit"
+
+- n: "→ <br>`replaceable`"
+  t: "bool"
+  p: "Optional<br>(0 or 1)"
+  d: "Whether the new transaction should still be BIP 125 replaceable. Even if set to `false` the transaction may still be replacable , for example if it has unconfirmed ancestors which are replaceable. The default is `true`"
+  
+{% enditemplate %}
+
+*Result---information about the new transaction*
+
+{% itemplate ntpd1 %}
+- n: "`result`"
+  t: "object"
+  p: "Required<br>(exactly 1)"
+  d: "An object including information about the new transaction"
+
+- n: "→ <br>`txid`"
+  t: "string (hex)"
+  p: "Required<br>(exactly 1)"
+  d: "The id of the new transaction"
+
+- n: "→ <br>`origfee`"
+  t: "numeric (bitcoins)"
+  p: "Required<br>(exactly 1)"
+  d: "The fee of the replaced transaction"
+
+- n: "→ <br>`fee`"
+  t: "numeric (bitcoins)"
+  p: "Required<br>(exactly 1)"
+  d: "The fee of the new transaction"
+  
+- n: "→ <br>`errors`"
+  t: "array"
+  p: "Required<br>(exactly 1)"
+  d: "Errors encountered during processing (may be empty)"
+
+{% enditemplate %}
+
+*Example from Bitcoin Core 0.14.1*
+
+{% highlight bash %}
+bitcoin-cli -testnet bumpfee d4a33e0cabaz723149e1fcab4e033a40173\
+88a644c65370e3cb06ba2f0e13975\
+{
+    "totalFee": "0.0003",
+}
+{% endhighlight %}
+
+Result:
+
+{% highlight json %}
+{
+	"txid": "37a55ce49636977k79bcb04ee1143573b570b1743e09660e79e7ec3320968ca54",
+	"origfee": 0.0000245,
+	"fee": 0.0003,
+	"errors": ""
+}
+{% endhighlight %}
+
+*See also*
+
+* [CreateRawTransaction][rpc createrawtransaction]: {{summary_createRawTransaction}}
+* [FundRawTransaction][rpc fundrawtransaction]: {{summary_fundRawTransaction}}
+* [SignRawTransaction][rpc signrawtransaction]: {{summary_signRawTransaction}}
+* [SendRawTransaction][rpc sendrawtransaction]: {{summary_sendRawTransaction}}
+* [Serialized Transaction Format][raw transaction format]
+
+{% endautocrossref %}