def METHOD_NAME(self):
    self.log.info("Mine 4 blocks on Node 0")
    self.generate(self.nodes[0], 4, sync_fun=self.no_op)
    assert_equal(self.nodes[0].getblockcount(), 204)
    self.log.info("Mine competing 3 blocks on Node 1")
    self.generate(self.nodes[1], 3, sync_fun=self.no_op)
    assert_equal(self.nodes[1].getblockcount(), 203)
    short_tip = self.nodes[1].getbestblockhash()
    self.log.info("Connect nodes to sync headers")
    self.connect_nodes(0, 1)
    self.sync_blocks(self.nodes[0:2])
    self.log.info("Node 0 should only have the header for node 1's block 3")
    x = next(filter(lambda x: x['hash'] == short_tip, self.nodes[0].getchaintips()))
    assert_equal(x['status'], "headers-only")
    assert_raises_rpc_error(-1, "Block not found on disk", self.nodes[0].getblock, short_tip)
    self.log.info("Fetch block from node 1")
    peers = self.nodes[0].getpeerinfo()
    assert_equal(len(peers), 1)
    peer_0_peer_1_id = peers[0]["id"]
    self.log.info("Arguments must be valid")
    assert_raises_rpc_error(-8, "hash must be of length 64 (not 4, for '1234')", self.nodes[0].getblockfrompeer, "1234", peer_0_peer_1_id)
    assert_raises_rpc_error(-3, "JSON value of type number is not of expected type string", self.nodes[0].getblockfrompeer, 1234, peer_0_peer_1_id)
    assert_raises_rpc_error(-3, "JSON value of type string is not of expected type number", self.nodes[0].getblockfrompeer, short_tip, "0")
    self.log.info("We must already have the header")
    assert_raises_rpc_error(-1, "Block header missing", self.nodes[0].getblockfrompeer, "00" * 32, 0)
    self.log.info("Non-existent peer generates error")
    for peer_id in [-1, peer_0_peer_1_id + 1]:
        assert_raises_rpc_error(-1, "Peer does not exist", self.nodes[0].getblockfrompeer, short_tip, peer_id)
    self.log.info("Fetching from pre-segwit peer generates error")
    self.nodes[0].add_p2p_connection(P2PInterface(), services=P2P_SERVICES & ~NODE_WITNESS)
    peers = self.nodes[0].getpeerinfo()
    assert_equal(len(peers), 2)
    presegwit_peer_id = peers[1]["id"]
    assert_raises_rpc_error(-1, "Pre-SegWit peer", self.nodes[0].getblockfrompeer, short_tip, presegwit_peer_id)
    self.log.info("Successful fetch")
    result = self.nodes[0].getblockfrompeer(short_tip, peer_0_peer_1_id)
    self.wait_until(lambda: self.check_for_block(node=0, hash=short_tip), timeout=1)
    assert_equal(result, {})
    self.log.info("Don't fetch blocks we already have")
    assert_raises_rpc_error(-1, "Block already downloaded", self.nodes[0].getblockfrompeer, short_tip, peer_0_peer_1_id)
    self.log.info("Don't fetch blocks while the node has not synced past it yet")
    # For this test we need node 1 in prune mode and as a side effect this also disconnects
    # the nodes which is also necessary for the rest of the test.
    self.restart_node(1, ["-prune=550"])
    # Generate a block on the disconnected node that the pruning node is not connected to
    blockhash = self.generate(self.nodes[0], 1, sync_fun=self.no_op)[0]
    block_hex = self.nodes[0].getblock(blockhash=blockhash, verbosity=0)
    block = from_hex(CBlock(), block_hex)
    # Connect a P2PInterface to the pruning node and have it submit only the header of the
    # block that the pruning node has not seen
    node1_interface = self.nodes[1].add_p2p_connection(P2PInterface())
    node1_interface.send_and_ping(msg_headers([block]))
    # Get the peer id of the P2PInterface from the pruning node
    node1_peers = self.nodes[1].getpeerinfo()
    assert_equal(len(node1_peers), 1)
    node1_interface_id = node1_peers[0]["id"]
    # Trying to fetch this block from the P2PInterface should not be possible
    error_msg = "In prune mode, only blocks that the node has already synced previously can be fetched from a peer"
    assert_raises_rpc_error(-1, error_msg, self.nodes[1].getblockfrompeer, blockhash, node1_interface_id)
    self.log.info("Connect pruned node")
    self.connect_nodes(0, 2)
    pruned_node = self.nodes[2]
    self.sync_blocks([self.nodes[0], pruned_node])
    # We need to generate more blocks to be able to prune
    self.generate(self.nodes[0], 400, sync_fun=self.no_op)
    self.sync_blocks([self.nodes[0], pruned_node])
    pruneheight = pruned_node.pruneblockchain(300)
    assert_equal(pruneheight, 248)
    # Ensure the block is actually pruned
    pruned_block = self.nodes[0].getblockhash(2)
    assert_raises_rpc_error(-1, "Block not available (pruned data)", pruned_node.getblock, pruned_block)
    self.log.info("Fetch pruned block")
    peers = pruned_node.getpeerinfo()
    assert_equal(len(peers), 1)
    pruned_node_peer_0_id = peers[0]["id"]
    result = pruned_node.getblockfrompeer(pruned_block, pruned_node_peer_0_id)
    self.wait_until(lambda: self.check_for_block(node=2, hash=pruned_block), timeout=1)
    assert_equal(result, {})
    self.log.info("Fetched block persists after next pruning event")
    self.generate(self.nodes[0], 250, sync_fun=self.no_op)
    self.sync_blocks([self.nodes[0], pruned_node])
    pruneheight += 251
    assert_equal(pruned_node.pruneblockchain(700), pruneheight)
    assert_equal(pruned_node.getblock(pruned_block)["hash"], "36c56c5b5ebbaf90d76b0d1a074dcb32d42abab75b7ec6fa0ffd9b4fbce8f0f7")
    self.log.info("Fetched block can be pruned again when prune height exceeds the height of the tip at the time when the block was fetched")
    self.generate(self.nodes[0], 250, sync_fun=self.no_op)
    self.sync_blocks([self.nodes[0], pruned_node])
    pruneheight += 250
    assert_equal(pruned_node.pruneblockchain(1000), pruneheight)
    assert_raises_rpc_error(-1, "Block not available (pruned data)", pruned_node.getblock, pruned_block)