submitblock

submitblock "hexdata" ( "dummy" ) Attempts to submit new block to network. See https://en.bitcoin.it/wiki/BIP_0022 for full specification. Arguments: 1. hexdata (string, required) the hex-encoded block data to submit 2. dummy (string, optional, default=ignored) dummy value, for compatibility with BIP22. This value is ignored. Result (If the block was accepted): null (json null) Result (Otherwise): "str" (string) According to BIP22 Examples: > bitcoin-cli submitblock "mydata" > curl --user myusername --data-binary '{"jsonrpc": "2.0", "id": "curltest", "method": "submitblock", "params": ["mydata"]}' -H 'content-type: application/json' http://127.0.0.1:8332/

Signature

submitblock(hexdata: string, dummy?: string) → any

Code samples

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

bitcoin-cli submitblock "mydata"

curl --user myusername --data-binary '{"jsonrpc": "2.0", "id": "curltest", "method": "submitblock", "params": ["mydata"]}' -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": "submitblock",
        "params": ["\"<hexdata>\"", "ignored"],
    },
    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: "submitblock",
    params: ["\"<hexdata>\"","ignored"],
  }),
});
console.log(await res.json());

Parameters

Name	Type	Req.	Description
hexdata	`string`	yes	the hex-encoded block data to submit
dummy	`string`	—	dummy value, for compatibility with BIP22. This value is ignored.

Result

Type: any

null (json null) "str" (string) According to BIP22

Source: services/core-node/bcore/src/rpc/mining.cpp:1105

C++ symbol: submitblock

Code samples

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

bitcoin-cli submitblock "mydata"

curl --user myusername --data-binary '{"jsonrpc": "2.0", "id": "curltest", "method": "submitblock", "params": ["mydata"]}' -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": "submitblock",
        "params": ["\"<hexdata>\"", "ignored"],
    },
    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: "submitblock",
    params: ["\"<hexdata>\"","ignored"],
  }),
});
console.log(await res.json());