submitheader JSON-RPC command

submitheader "hexdata"

Decode the given hexdata as a header and submit it as a candidate chain tip if valid.
Throws when the header is invalid.

Arguments
1. "hexdata"        (string, required) the hex-encoded block header data

Result

None
Examples:
> bitcoin-cli submitheader "aabbcc"
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "submitheader", "params": ["aabbcc"] }' -H 'content-type: text/plain;' http://127.0.0.1:8332/

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Bitcoin Cash Node Daemon version v0.21.2