testmempoolaccept (0.18.1.5 RPC) testmempoolaccept ["rawtx",...] ( allowhighfees ) Returns result of mempool acceptance tests indicating if raw transaction (serialized, hex-encoded) would be accepted by mempool. This checks if the transaction violates the consensus or policy rules. See sendrawtransaction call. Arguments: 1. rawtxs (json array, required) An array of hex strings of raw transactions. Length must be one for now. [ "rawtx", (string) ... ] 2. allowhighfees (boolean, optional, default=false) Allow high fees Result: [ (array) The result of the mempool acceptance test for each raw transaction in the input array. Length is exactly one for now. { "txid" (string) The transaction hash in hex "allowed" (boolean) If the mempool allows this tx to be inserted "reject-reason" (string) Rejection string (only present when 'allowed' is false) } ] Examples: Create a transaction > elements-cli createrawtransaction "[{\"txid\" : \"mytxid\",\"vout\":0}]" "{\"myaddress\":0.01}" Sign the transaction, and get back the hex > elements-cli signrawtransactionwithwallet "myhex" Test acceptance of the transaction (signed hex) > elements-cli testmempoolaccept ["signedhex"] As a JSON-RPC call > curl --user myusername --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "testmempoolaccept", "params": [["signedhex"]] }' -H 'content-type: text/plain;' http://127.0.0.1:7041/