musig.keyagg

musig.keyagg ["pubkey",...] Aggregate public keys for MuSig2 multi-signature scheme. Returns aggregated pubkey and keyagg_cache for use in adaptor ceremonies. Arguments: 1. pubkeys (json array, required) Array of compressed public keys (33-byte hex) to aggregate [ "pubkey", (string, required) Compressed public key (33-byte hex) ... ] Result: { (json object) "agg_pubkey" : "hex", (string) Aggregated x-only public key (32 bytes) "keyagg_cache" : "hex" (string) Serialized keyagg cache (opaque blob for later use) } Examples: > bitcoin-cli musig.keyagg '["pubkey1", "pubkey2"]'

Signature

musig.keyagg(pubkeys: array) → any

Code samples

curl --user "$RPC_USER:$RPC_PASS" \
  --data-binary '{"jsonrpc":"1.0","id":"docs","method":"musig.keyagg","params":[[]]}' \
  -H 'content-type: text/plain;' \
  http://127.0.0.1:8332/

bitcoin-cli musig.keyagg '["pubkey1", "pubkey2"]'

import requests
r = requests.post(
    "http://127.0.0.1:8332/",
    auth=("$RPC_USER", "$RPC_PASS"),
    json={
        "jsonrpc": "1.0",
        "id": "docs",
        "method": "musig.keyagg",
        "params": [[]],
    },
    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: "musig.keyagg",
    params: [[]],
  }),
});
console.log(await res.json());

Parameters

Name	Type	Req.	Description
pubkeys	`any[]`	yes	Array of compressed public keys (33-byte hex) to aggregate [ "pubkey", (string, required) Compressed public key (33-byte hex) ... ]

Result

Type: any

{ (json object) "agg_pubkey" : "hex", (string) Aggregated x-only public key (32 bytes) "keyagg_cache" : "hex" (string) Serialized keyagg cache (opaque blob for later use) }

Source: services/core-node/bcore/src/wallet/rpc/adaptor.cpp:4032

C++ symbol: musig_keyagg

Code samples

curl --user "$RPC_USER:$RPC_PASS" \
  --data-binary '{"jsonrpc":"1.0","id":"docs","method":"musig.keyagg","params":[[]]}' \
  -H 'content-type: text/plain;' \
  http://127.0.0.1:8332/

bitcoin-cli musig.keyagg '["pubkey1", "pubkey2"]'

import requests
r = requests.post(
    "http://127.0.0.1:8332/",
    auth=("$RPC_USER", "$RPC_PASS"),
    json={
        "jsonrpc": "1.0",
        "id": "docs",
        "method": "musig.keyagg",
        "params": [[]],
    },
    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: "musig.keyagg",
    params: [[]],
  }),
});
console.log(await res.json());