getmempoolancestors

getmempoolancestors "txid" If txid is in the mempool, Arguments: 1. txid (string, 2. verbose (boolean, Result (for verbose = false): [ (json array) "hex", ... ] Result (for verbose = true): { "transactionid" : { "vsize" : n, "weight" : n, "time" : xxx, "height" : n, "descendantcount" : n, "descendantsize" : n, "ancestorcount" : n, "ancestorsize" : n, "wtxid" : "hex", "fees" : { "base" : n, "modified" : n, "ancestor" : n, "descendant" : n }, "depends" : [ "hex", ... ], "spentby" : [ "hex", ... ], "bip125-replaceable" "unbroadcast" : true|false }, ... } Examples: > bitcoin-cli getmempoolancestors > curl --user myusername ( verbose ) returns all in-mempool ancestors. required) The transaction id (must be in mempool) optional, default=false) True for a json object, false for array of transaction ids (string) The transaction id of an in-mempool ancestor transaction (json object) (json object) (numeric) virtual transaction size as defined in BIP 141. This is different from actual serialized size for witness transactions as witness data is discounted. (numeric) transaction weight as defined in BIP 141. (numeric) local time transaction entered pool in seconds since 1 Jan 1970 GMT (numeric) block height when transaction entered pool (numeric) number of in-mempool descendant transactions (including this one) (numeric) virtual transaction size of in-mempool descendants (including this one) (numeric) number of in-mempool ancestor transactions (including this one) (numeric) virtual transaction size of in-mempool ancestors (including this one) (string) hash of serialized transaction, including witness data (json object) (numeric) transaction fee, denominated in BTC (numeric) transaction fee with fee deltas used for mining priority, denominated in BTC (numeric) transaction fees of in-mempool ancestors (including this one) with fee deltas used for mining priority, denominated in BTC (numeric) transaction fees of in-mempool descendants (including this one) with fee deltas used for mining priority, denominated in BTC (json array) unconfirmed transactions used as inputs for this transaction (string) parent transaction id (json array) unconfirmed transactions spending outputs from this transaction (string) child transaction id : true|false, (boolean) Whether this transaction signals BIP125 replaceability or has an unconfirmed ancestor signaling BIP125 replaceability. (DEPRECATED) (boolean) Whether this transaction is currently unbroadcast (initial broadcast not yet acknowledged by any peers) "mytxid" --data-binary '{"jsonrpc": "2.0", "id": "curltest", "method": "getmempoolancestors", "params": ["mytxid"]}' -H 'content-type: application/json' http://127.0.0.1:8332/

Signature

getmempoolancestors(txid: string, verbose?: boolean) → any

Code samples

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

bitcoin-cli getmempoolancestors "mytxid"

curl --user myusername --data-binary '{"jsonrpc": "2.0", "id": "curltest", "method": "getmempoolancestors", "params": ["mytxid"]}' -H 'content-type: application/json' http://127.0.0.1:8332/

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

Parameters

Name	Type	Req.	Description
txid	`string`	yes	The transaction id (must be in mempool)
verbose	`boolean`	—	True for a json object, false for array of transaction ids

Result

Type: any

[ (json array) "hex", (string) The transaction id of an in-mempool ancestor transaction ... ] { (json object) "transactionid" : { (json object) "vsize" : n, (numeric) virtual transaction size as defined in BIP 141. This is different from actual serialized size for witness transactions as witness data is discounted. "weight" : n, (numeric) transaction weight as defined in BIP 141. "time" : xxx, (numeric) local time transaction entered pool in seconds since 1 Jan 1970 GMT "height" : n, (numeric) block height when transaction entered pool "descendantcount" : n, (numeric) number of in-mempool descendant transactions (including this one) "descendantsize" : n, (numeric) virtual transaction size of in-mempool descendants (including this one) "ancestorcount" : n, (numeric) number of in-mempool ancestor transactions (including this one) "ancestorsize" : n, (numeric) virtual transaction size of in-mempool ancestors (including this one) "wtxid" : "hex", (string) hash of serialized transaction, including witness data "fees" : { (json object) "base" : n, (numeric) transaction fee, denominated in BTC "modified" : n, (numeric) transaction fee with fee deltas used for mining priority, denominated in BTC "ancestor" : n, (numeric) transaction fees of in-mempool ancestors (including this one) with fee deltas used for mining priority, denominated in BTC "descendant" : n (numeric) transaction fees of in-mempool descendants (including this one) with fee deltas used for mining priority, denominated in BTC }, "depends" : [ (json array) unconfirmed transactions used as inputs for this transaction "hex", (string) parent transaction id ... ], "spentby" : [ (json array) unconfirmed transactions spending outputs from this transaction "hex", (string) child transaction id ... ], "bip125-replaceable" : true|false, (boolean) Whether this transaction signals BIP125 replaceability or has an unconfirmed ancestor signaling BIP125 replaceability. (DEPRECATED) "unbroadcast" : true|false (boolean) Whether this transaction is currently unbroadcast (initial broadcast not yet acknowledged by any peers) }, ... }

Source: services/core-node/bcore/src/rpc/mempool.cpp:432

C++ symbol: getmempoolancestors

Code samples

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

bitcoin-cli getmempoolancestors "mytxid"

curl --user myusername --data-binary '{"jsonrpc": "2.0", "id": "curltest", "method": "getmempoolancestors", "params": ["mytxid"]}' -H 'content-type: application/json' http://127.0.0.1:8332/

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