rawtxattachassettag

rawtxattachassettag "hex" vout "asset_id" amount ( flags {"asset_id":"hex","ctxt_hash":"hex","spk_hash32":"hex","wrapped_key":"hex","suite_id":n,"extras_mask":n,"wrap_commit":"hex","kc_tag":"hex"} ) Attach an AssetTag TLV (optionally with ICU_KEYWRAP) to the specified vout of a raw transaction. Arguments: 1. hex (string, required) Raw transaction hex 2. vout (numeric, required) Output index 3. asset_id (string, required) 32-byte asset id hex (no 0x) 4. amount (numeric, required) Asset amount (u64) 5. flags (numeric, optional, default=0) Asset flags (u32) 6. keywrap (json object, optional) Optional ICU_KEYWRAP sub-TLV for WRAP_REQUIRED assets { "asset_id": "hex", (string, required) 32-byte asset id hex "ctxt_hash": "hex", (string, required) 32-byte ciphertext hash "spk_hash32": "hex", (string, required) 32-byte scriptPubKey hash "wrapped_key": "hex", (string, required) Wrapped symmetric key (variable length hex) "suite_id": n, (numeric, optional, default=0) Cryptographic suite ID (u8) "extras_mask": n, (numeric, optional, default=0) Extras bitmask: 0x01=wrap_commit, 0x02=kc_tag (u8) "wrap_commit": "hex", (string, optional) 32-byte wrap commitment (if extras_mask & 0x01) "kc_tag": "hex", (string, optional) 16-byte key confirmation tag (if extras_mask & 0x02) } Result: "hex" (string) Modified hex Examples: > bitcoin-cli rawtxattachassettag "<hex>" 1 "<asset_id>" 1000000 0 > bitcoin-cli rawtxattachassettag "<hex>" 1 "<asset_id>" 1000000 0 '{"asset_id":"...", "ctxt_hash":"...", "spk_hash32":"...", "wrapped_key":"..."}'

Signature

rawtxattachassettag(hex: string, vout: number, asset_id: string, amount: number, flags?: number, keywrap?: object) → any

Code samples

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

bitcoin-cli rawtxattachassettag "<hex>" 1 "<asset_id>" 1000000 0

bitcoin-cli rawtxattachassettag "<hex>" 1 "<asset_id>" 1000000 0 '{"asset_id":"...", "ctxt_hash":"...", "spk_hash32":"...", "wrapped_key":"..."}'

import requests
r = requests.post(
    "http://127.0.0.1:8332/",
    auth=("$RPC_USER", "$RPC_PASS"),
    json={
        "jsonrpc": "1.0",
        "id": "docs",
        "method": "rawtxattachassettag",
        "params": ["\"<hex>\"", 0, "\"<asset_id>\"", 0, 0, {}],
    },
    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: "rawtxattachassettag",
    params: ["\"<hex>\"",0,"\"<asset_id>\"",0,0,{}],
  }),
});
console.log(await res.json());

Parameters

Name	Type	Req.	Description
hex	`string`	yes	Raw transaction hex
vout	`number`	yes	Output index
asset_id	`string`	yes	32-byte asset id hex (no 0x)
amount	`number`	yes	Asset amount (u64)
flags	`number`	—	Asset flags (u32)
keywrap	`object`	—	Optional ICU_KEYWRAP sub-TLV for WRAP_REQUIRED assets { "asset_id": "hex", (string, required) 32-byte asset id hex "ctxt_hash": "hex", (string, required) 32-byte ciphertext hash "spk_hash32": "hex", (string, required) 32-byte scriptPubKey hash "wrapped_key": "hex", (string, required) Wrapped symmetric key (variable length hex) "suite_id": n, (numeric, optional, default=0) Cryptographic suite ID (u8) "extras_mask": n, (numeric, optional, default=0) Extras bitmask: 0x01=wrap_commit, 0x02=kc_tag (u8) "wrap_commit": "hex", (string, optional) 32-byte wrap commitment (if extras_mask & 0x01) "kc_tag": "hex", (string, optional) 16-byte key confirmation tag (if extras_mask & 0x02) }

Result

Type: any

"hex" (string) Modified hex

Source: services/core-node/bcore/src/rpc/rawtransaction.cpp:593

C++ symbol: rawtxattachassettag

Code samples

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

bitcoin-cli rawtxattachassettag "<hex>" 1 "<asset_id>" 1000000 0

bitcoin-cli rawtxattachassettag "<hex>" 1 "<asset_id>" 1000000 0 '{"asset_id":"...", "ctxt_hash":"...", "spk_hash32":"...", "wrapped_key":"..."}'

import requests
r = requests.post(
    "http://127.0.0.1:8332/",
    auth=("$RPC_USER", "$RPC_PASS"),
    json={
        "jsonrpc": "1.0",
        "id": "docs",
        "method": "rawtxattachassettag",
        "params": ["\"<hex>\"", 0, "\"<asset_id>\"", 0, 0, {}],
    },
    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: "rawtxattachassettag",
    params: ["\"<hex>\"",0,"\"<asset_id>\"",0,0,{}],
  }),
});
console.log(await res.json());