message: test: check for RPC error 'Transaction already in block chain' (-27)
diff: @@ -638,6 +638,15 @@ class RawTransactionsTest(BitcoinTestFramework):
  assert_equal(testres['allowed'], True)
  self.nodes[2].sendrawtransaction(hexstring=rawTxSigned['hex'], maxfeerate='0.20000000')
  + self.log.info('sendrawtransaction/testmempoolaccept with tx that is already in the chain')
  + self.nodes[2].generate(1)
  + self.sync_blocks()
  + for node in self.nodes:
  + testres = node.testmempoolaccept([rawTxSigned['hex']])[0]
  + assert_equal(testres['allowed'], False)
  + assert_equal(testres['reject-reason'], 'txn-already-known')
  + assert_raises_rpc_error(-27, 'Transaction already in block chain', node.sendrawtransaction, rawTxSigned['hex'])
  +
  if __name__ == '__main__':
  RawTransactionsTest().main()
  