rawtxaddoutext

rawtxaddoutext "hex" vout "tlv" Attach or replace an output extension (vExt TLV) on a given vout of a raw transaction. Arguments: 1. hex (string, required) Raw transaction hex (serialized with or without witness) 2. vout (numeric, required) Output index to modify 3. tlv (string, required) TLV bytes (type|varint len|value) to set; use "" to clear Result: "hex" (string) Modified raw transaction hex Examples: > bitcoin-cli rawtxaddoutext "<hex>" 0 "01"

Signature

rawtxaddoutext(hex: string, vout: number, tlv: string) → any

Code samples

curl --user "$RPC_USER:$RPC_PASS" \
  --data-binary '{"jsonrpc":"1.0","id":"docs","method":"rawtxaddoutext","params":["\"<hex>\"",0,"\"<tlv>\""]}' \
  -H 'content-type: text/plain;' \
  http://127.0.0.1:8332/

bitcoin-cli rawtxaddoutext "<hex>" 0 "01"

import requests
r = requests.post(
    "http://127.0.0.1:8332/",
    auth=("$RPC_USER", "$RPC_PASS"),
    json={
        "jsonrpc": "1.0",
        "id": "docs",
        "method": "rawtxaddoutext",
        "params": ["\"<hex>\"", 0, "\"<tlv>\""],
    },
    timeout=30,
)
print(r.json())

const res = await fetch("http://127.0.0.1:8332/", {
  method: "POST",
  headers: {
    "content-type": "application/json",
    "authorization": "Basic " + btoa(`${process.env.RPC_USER}:${process.env.RPC_PASS}`),
  },
  body: JSON.stringify({
    jsonrpc: "1.0",
    id: "docs",
    method: "rawtxaddoutext",
    params: ["\"<hex>\"",0,"\"<tlv>\""],
  }),
});
console.log(await res.json());

Parameters

Name	Type	Req.	Description
hex	`string`	yes	Raw transaction hex (serialized with or without witness)
vout	`number`	yes	Output index to modify
tlv	`string`	yes	TLV bytes (type\|varint len\|value) to set; use "" to clear

Result

Type: any

"hex" (string) Modified raw transaction hex

Source: services/core-node/bcore/src/rpc/rawtransaction.cpp:125

C++ symbol: rawtxaddoutext

Code samples

curl --user "$RPC_USER:$RPC_PASS" \
  --data-binary '{"jsonrpc":"1.0","id":"docs","method":"rawtxaddoutext","params":["\"<hex>\"",0,"\"<tlv>\""]}' \
  -H 'content-type: text/plain;' \
  http://127.0.0.1:8332/

bitcoin-cli rawtxaddoutext "<hex>" 0 "01"

import requests
r = requests.post(
    "http://127.0.0.1:8332/",
    auth=("$RPC_USER", "$RPC_PASS"),
    json={
        "jsonrpc": "1.0",
        "id": "docs",
        "method": "rawtxaddoutext",
        "params": ["\"<hex>\"", 0, "\"<tlv>\""],
    },
    timeout=30,
)
print(r.json())

const res = await fetch("http://127.0.0.1:8332/", {
  method: "POST",
  headers: {
    "content-type": "application/json",
    "authorization": "Basic " + btoa(`${process.env.RPC_USER}:${process.env.RPC_PASS}`),
  },
  body: JSON.stringify({
    jsonrpc: "1.0",
    id: "docs",
    method: "rawtxaddoutext",
    params: ["\"<hex>\"",0,"\"<tlv>\""],
  }),
});
console.log(await res.json());