751 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			751 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright 2016 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package les
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import (
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	"encoding/binary"
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	"math/big"
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	"math/rand"
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	"testing"
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	"time"
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	"github.com/ethereum/go-ethereum/common"
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	"github.com/ethereum/go-ethereum/common/mclock"
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	"github.com/ethereum/go-ethereum/consensus/ethash"
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	"github.com/ethereum/go-ethereum/core"
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	"github.com/ethereum/go-ethereum/core/rawdb"
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	"github.com/ethereum/go-ethereum/core/types"
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	"github.com/ethereum/go-ethereum/crypto"
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	"github.com/ethereum/go-ethereum/les/downloader"
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	"github.com/ethereum/go-ethereum/light"
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	"github.com/ethereum/go-ethereum/p2p"
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	"github.com/ethereum/go-ethereum/params"
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	"github.com/ethereum/go-ethereum/rlp"
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	"github.com/ethereum/go-ethereum/trie"
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)
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func expectResponse(r p2p.MsgReader, msgcode, reqID, bv uint64, data interface{}) error {
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	type resp struct {
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		ReqID, BV uint64
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		Data      interface{}
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	}
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	return p2p.ExpectMsg(r, msgcode, resp{reqID, bv, data})
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}
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// Tests that block headers can be retrieved from a remote chain based on user queries.
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func TestGetBlockHeadersLes2(t *testing.T) { testGetBlockHeaders(t, 2) }
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func TestGetBlockHeadersLes3(t *testing.T) { testGetBlockHeaders(t, 3) }
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func TestGetBlockHeadersLes4(t *testing.T) { testGetBlockHeaders(t, 4) }
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func testGetBlockHeaders(t *testing.T, protocol int) {
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	netconfig := testnetConfig{
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		blocks:    downloader.MaxHeaderFetch + 15,
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		protocol:  protocol,
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		nopruning: true,
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	}
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	server, _, tearDown := newClientServerEnv(t, netconfig)
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	defer tearDown()
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	rawPeer, closePeer, _ := server.newRawPeer(t, "peer", protocol)
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	defer closePeer()
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	bc := server.handler.blockchain
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	// Create a "random" unknown hash for testing
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	var unknown common.Hash
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	for i := range unknown {
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		unknown[i] = byte(i)
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	}
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	// Create a batch of tests for various scenarios
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	limit := uint64(MaxHeaderFetch)
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	tests := []struct {
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		query  *GetBlockHeadersData // The query to execute for header retrieval
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		expect []common.Hash        // The hashes of the block whose headers are expected
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	}{
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		// A single random block should be retrievable by hash and number too
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		{
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			&GetBlockHeadersData{Origin: hashOrNumber{Hash: bc.GetBlockByNumber(limit / 2).Hash()}, Amount: 1},
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			[]common.Hash{bc.GetBlockByNumber(limit / 2).Hash()},
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		}, {
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			&GetBlockHeadersData{Origin: hashOrNumber{Number: limit / 2}, Amount: 1},
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			[]common.Hash{bc.GetBlockByNumber(limit / 2).Hash()},
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		},
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		// Multiple headers should be retrievable in both directions
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		{
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			&GetBlockHeadersData{Origin: hashOrNumber{Number: limit / 2}, Amount: 3},
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			[]common.Hash{
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				bc.GetBlockByNumber(limit / 2).Hash(),
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				bc.GetBlockByNumber(limit/2 + 1).Hash(),
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				bc.GetBlockByNumber(limit/2 + 2).Hash(),
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			},
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		}, {
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			&GetBlockHeadersData{Origin: hashOrNumber{Number: limit / 2}, Amount: 3, Reverse: true},
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			[]common.Hash{
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				bc.GetBlockByNumber(limit / 2).Hash(),
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				bc.GetBlockByNumber(limit/2 - 1).Hash(),
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				bc.GetBlockByNumber(limit/2 - 2).Hash(),
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			},
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		},
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		// Multiple headers with skip lists should be retrievable
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		{
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			&GetBlockHeadersData{Origin: hashOrNumber{Number: limit / 2}, Skip: 3, Amount: 3},
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			[]common.Hash{
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				bc.GetBlockByNumber(limit / 2).Hash(),
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				bc.GetBlockByNumber(limit/2 + 4).Hash(),
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				bc.GetBlockByNumber(limit/2 + 8).Hash(),
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			},
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		}, {
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			&GetBlockHeadersData{Origin: hashOrNumber{Number: limit / 2}, Skip: 3, Amount: 3, Reverse: true},
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			[]common.Hash{
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				bc.GetBlockByNumber(limit / 2).Hash(),
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				bc.GetBlockByNumber(limit/2 - 4).Hash(),
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				bc.GetBlockByNumber(limit/2 - 8).Hash(),
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			},
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		},
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		// The chain endpoints should be retrievable
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		{
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			&GetBlockHeadersData{Origin: hashOrNumber{Number: 0}, Amount: 1},
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			[]common.Hash{bc.GetBlockByNumber(0).Hash()},
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		}, {
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			&GetBlockHeadersData{Origin: hashOrNumber{Number: bc.CurrentBlock().NumberU64()}, Amount: 1},
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			[]common.Hash{bc.CurrentBlock().Hash()},
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		},
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		// Ensure protocol limits are honored
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		//{
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		//	&GetBlockHeadersData{Origin: hashOrNumber{Number: bc.CurrentBlock().NumberU64() - 1}, Amount: limit + 10, Reverse: true},
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		//	[]common.Hash{},
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		//},
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		// Check that requesting more than available is handled gracefully
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		{
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			&GetBlockHeadersData{Origin: hashOrNumber{Number: bc.CurrentBlock().NumberU64() - 4}, Skip: 3, Amount: 3},
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			[]common.Hash{
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				bc.GetBlockByNumber(bc.CurrentBlock().NumberU64() - 4).Hash(),
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				bc.GetBlockByNumber(bc.CurrentBlock().NumberU64()).Hash(),
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			},
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		}, {
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			&GetBlockHeadersData{Origin: hashOrNumber{Number: 4}, Skip: 3, Amount: 3, Reverse: true},
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			[]common.Hash{
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				bc.GetBlockByNumber(4).Hash(),
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				bc.GetBlockByNumber(0).Hash(),
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			},
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		},
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		// Check that requesting more than available is handled gracefully, even if mid skip
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		{
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			&GetBlockHeadersData{Origin: hashOrNumber{Number: bc.CurrentBlock().NumberU64() - 4}, Skip: 2, Amount: 3},
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			[]common.Hash{
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				bc.GetBlockByNumber(bc.CurrentBlock().NumberU64() - 4).Hash(),
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				bc.GetBlockByNumber(bc.CurrentBlock().NumberU64() - 1).Hash(),
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			},
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		}, {
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			&GetBlockHeadersData{Origin: hashOrNumber{Number: 4}, Skip: 2, Amount: 3, Reverse: true},
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			[]common.Hash{
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				bc.GetBlockByNumber(4).Hash(),
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				bc.GetBlockByNumber(1).Hash(),
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			},
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		},
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		// Check that non existing headers aren't returned
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		{
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			&GetBlockHeadersData{Origin: hashOrNumber{Hash: unknown}, Amount: 1},
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			[]common.Hash{},
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		}, {
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			&GetBlockHeadersData{Origin: hashOrNumber{Number: bc.CurrentBlock().NumberU64() + 1}, Amount: 1},
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			[]common.Hash{},
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		},
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	}
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	// Run each of the tests and verify the results against the chain
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	var reqID uint64
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	for i, tt := range tests {
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		// Collect the headers to expect in the response
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		var headers []*types.Header
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		for _, hash := range tt.expect {
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			headers = append(headers, bc.GetHeaderByHash(hash))
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		}
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		// Send the hash request and verify the response
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		reqID++
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		sendRequest(rawPeer.app, GetBlockHeadersMsg, reqID, tt.query)
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		if err := expectResponse(rawPeer.app, BlockHeadersMsg, reqID, testBufLimit, headers); err != nil {
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			t.Errorf("test %d: headers mismatch: %v", i, err)
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		}
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	}
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}
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// Tests that block contents can be retrieved from a remote chain based on their hashes.
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func TestGetBlockBodiesLes2(t *testing.T) { testGetBlockBodies(t, 2) }
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func TestGetBlockBodiesLes3(t *testing.T) { testGetBlockBodies(t, 3) }
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func TestGetBlockBodiesLes4(t *testing.T) { testGetBlockBodies(t, 4) }
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func testGetBlockBodies(t *testing.T, protocol int) {
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	netconfig := testnetConfig{
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		blocks:    downloader.MaxHeaderFetch + 15,
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		protocol:  protocol,
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		nopruning: true,
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	}
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	server, _, tearDown := newClientServerEnv(t, netconfig)
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	defer tearDown()
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	rawPeer, closePeer, _ := server.newRawPeer(t, "peer", protocol)
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	defer closePeer()
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	bc := server.handler.blockchain
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	// Create a batch of tests for various scenarios
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	limit := MaxBodyFetch
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	tests := []struct {
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		random    int           // Number of blocks to fetch randomly from the chain
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		explicit  []common.Hash // Explicitly requested blocks
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		available []bool        // Availability of explicitly requested blocks
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		expected  int           // Total number of existing blocks to expect
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	}{
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		{1, nil, nil, 1},         // A single random block should be retrievable
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		{10, nil, nil, 10},       // Multiple random blocks should be retrievable
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		{limit, nil, nil, limit}, // The maximum possible blocks should be retrievable
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		//{limit + 1, nil, nil, limit},                                  // No more than the possible block count should be returned
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		{0, []common.Hash{bc.Genesis().Hash()}, []bool{true}, 1},      // The genesis block should be retrievable
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		{0, []common.Hash{bc.CurrentBlock().Hash()}, []bool{true}, 1}, // The chains head block should be retrievable
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		{0, []common.Hash{{}}, []bool{false}, 0},                      // A non existent block should not be returned
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		// Existing and non-existing blocks interleaved should not cause problems
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		{0, []common.Hash{
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			{},
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			bc.GetBlockByNumber(1).Hash(),
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			{},
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			bc.GetBlockByNumber(10).Hash(),
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			{},
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			bc.GetBlockByNumber(100).Hash(),
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			{},
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		}, []bool{false, true, false, true, false, true, false}, 3},
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	}
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	// Run each of the tests and verify the results against the chain
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	var reqID uint64
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	for i, tt := range tests {
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		// Collect the hashes to request, and the response to expect
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		var hashes []common.Hash
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		seen := make(map[int64]bool)
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		var bodies []*types.Body
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		for j := 0; j < tt.random; j++ {
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			for {
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				num := rand.Int63n(int64(bc.CurrentBlock().NumberU64()))
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				if !seen[num] {
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					seen[num] = true
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					block := bc.GetBlockByNumber(uint64(num))
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					hashes = append(hashes, block.Hash())
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					if len(bodies) < tt.expected {
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						bodies = append(bodies, &types.Body{Transactions: block.Transactions(), Uncles: block.Uncles()})
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					}
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					break
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				}
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			}
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		}
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		for j, hash := range tt.explicit {
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			hashes = append(hashes, hash)
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			if tt.available[j] && len(bodies) < tt.expected {
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				block := bc.GetBlockByHash(hash)
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				bodies = append(bodies, &types.Body{Transactions: block.Transactions(), Uncles: block.Uncles()})
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			}
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		}
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		reqID++
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		// Send the hash request and verify the response
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		sendRequest(rawPeer.app, GetBlockBodiesMsg, reqID, hashes)
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		if err := expectResponse(rawPeer.app, BlockBodiesMsg, reqID, testBufLimit, bodies); err != nil {
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			t.Errorf("test %d: bodies mismatch: %v", i, err)
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		}
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	}
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}
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// Tests that the contract codes can be retrieved based on account addresses.
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func TestGetCodeLes2(t *testing.T) { testGetCode(t, 2) }
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func TestGetCodeLes3(t *testing.T) { testGetCode(t, 3) }
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func TestGetCodeLes4(t *testing.T) { testGetCode(t, 4) }
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func testGetCode(t *testing.T, protocol int) {
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	// Assemble the test environment
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	netconfig := testnetConfig{
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		blocks:    4,
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		protocol:  protocol,
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		nopruning: true,
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	}
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	server, _, tearDown := newClientServerEnv(t, netconfig)
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	defer tearDown()
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	rawPeer, closePeer, _ := server.newRawPeer(t, "peer", protocol)
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	defer closePeer()
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	bc := server.handler.blockchain
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	var codereqs []*CodeReq
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	var codes [][]byte
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	for i := uint64(0); i <= bc.CurrentBlock().NumberU64(); i++ {
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		header := bc.GetHeaderByNumber(i)
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		req := &CodeReq{
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			BHash:  header.Hash(),
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			AccKey: crypto.Keccak256(testContractAddr[:]),
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		}
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		codereqs = append(codereqs, req)
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		if i >= testContractDeployed {
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			codes = append(codes, testContractCodeDeployed)
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		}
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	}
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	sendRequest(rawPeer.app, GetCodeMsg, 42, codereqs)
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	if err := expectResponse(rawPeer.app, CodeMsg, 42, testBufLimit, codes); err != nil {
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		t.Errorf("codes mismatch: %v", err)
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	}
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}
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// Tests that the stale contract codes can't be retrieved based on account addresses.
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func TestGetStaleCodeLes2(t *testing.T) { testGetStaleCode(t, 2) }
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func TestGetStaleCodeLes3(t *testing.T) { testGetStaleCode(t, 3) }
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func TestGetStaleCodeLes4(t *testing.T) { testGetStaleCode(t, 4) }
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func testGetStaleCode(t *testing.T, protocol int) {
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	netconfig := testnetConfig{
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		blocks:    core.TriesInMemory + 4,
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		protocol:  protocol,
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		nopruning: true,
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	}
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	server, _, tearDown := newClientServerEnv(t, netconfig)
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	defer tearDown()
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	rawPeer, closePeer, _ := server.newRawPeer(t, "peer", protocol)
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	defer closePeer()
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	bc := server.handler.blockchain
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	check := func(number uint64, expected [][]byte) {
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		req := &CodeReq{
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			BHash:  bc.GetHeaderByNumber(number).Hash(),
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			AccKey: crypto.Keccak256(testContractAddr[:]),
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		}
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		sendRequest(rawPeer.app, GetCodeMsg, 42, []*CodeReq{req})
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		if err := expectResponse(rawPeer.app, CodeMsg, 42, testBufLimit, expected); err != nil {
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			t.Errorf("codes mismatch: %v", err)
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		}
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	}
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	check(0, [][]byte{})                                                          // Non-exist contract
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	check(testContractDeployed, [][]byte{})                                       // Stale contract
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	check(bc.CurrentHeader().Number.Uint64(), [][]byte{testContractCodeDeployed}) // Fresh contract
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}
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// Tests that the transaction receipts can be retrieved based on hashes.
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func TestGetReceiptLes2(t *testing.T) { testGetReceipt(t, 2) }
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func TestGetReceiptLes3(t *testing.T) { testGetReceipt(t, 3) }
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func TestGetReceiptLes4(t *testing.T) { testGetReceipt(t, 4) }
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func testGetReceipt(t *testing.T, protocol int) {
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	// Assemble the test environment
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	netconfig := testnetConfig{
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		blocks:    4,
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		protocol:  protocol,
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		nopruning: true,
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	}
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	server, _, tearDown := newClientServerEnv(t, netconfig)
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	defer tearDown()
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	rawPeer, closePeer, _ := server.newRawPeer(t, "peer", protocol)
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	defer closePeer()
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	bc := server.handler.blockchain
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	// Collect the hashes to request, and the response to expect
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	var receipts []types.Receipts
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	var hashes []common.Hash
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	for i := uint64(0); i <= bc.CurrentBlock().NumberU64(); i++ {
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		block := bc.GetBlockByNumber(i)
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		hashes = append(hashes, block.Hash())
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		receipts = append(receipts, rawdb.ReadReceipts(server.db, block.Hash(), block.NumberU64(), bc.Config()))
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	}
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	// Send the hash request and verify the response
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	sendRequest(rawPeer.app, GetReceiptsMsg, 42, hashes)
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	if err := expectResponse(rawPeer.app, ReceiptsMsg, 42, testBufLimit, receipts); err != nil {
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		t.Errorf("receipts mismatch: %v", err)
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	}
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}
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// Tests that trie merkle proofs can be retrieved
 | 
						|
func TestGetProofsLes2(t *testing.T) { testGetProofs(t, 2) }
 | 
						|
func TestGetProofsLes3(t *testing.T) { testGetProofs(t, 3) }
 | 
						|
func TestGetProofsLes4(t *testing.T) { testGetProofs(t, 4) }
 | 
						|
 | 
						|
func testGetProofs(t *testing.T, protocol int) {
 | 
						|
	// Assemble the test environment
 | 
						|
	netconfig := testnetConfig{
 | 
						|
		blocks:    4,
 | 
						|
		protocol:  protocol,
 | 
						|
		nopruning: true,
 | 
						|
	}
 | 
						|
	server, _, tearDown := newClientServerEnv(t, netconfig)
 | 
						|
	defer tearDown()
 | 
						|
 | 
						|
	rawPeer, closePeer, _ := server.newRawPeer(t, "peer", protocol)
 | 
						|
	defer closePeer()
 | 
						|
 | 
						|
	bc := server.handler.blockchain
 | 
						|
 | 
						|
	var proofreqs []ProofReq
 | 
						|
	proofsV2 := light.NewNodeSet()
 | 
						|
 | 
						|
	accounts := []common.Address{bankAddr, userAddr1, userAddr2, signerAddr, {}}
 | 
						|
	for i := uint64(0); i <= bc.CurrentBlock().NumberU64(); i++ {
 | 
						|
		header := bc.GetHeaderByNumber(i)
 | 
						|
		trie, _ := trie.New(header.Root, trie.NewDatabase(server.db))
 | 
						|
 | 
						|
		for _, acc := range accounts {
 | 
						|
			req := ProofReq{
 | 
						|
				BHash: header.Hash(),
 | 
						|
				Key:   crypto.Keccak256(acc[:]),
 | 
						|
			}
 | 
						|
			proofreqs = append(proofreqs, req)
 | 
						|
			trie.Prove(crypto.Keccak256(acc[:]), 0, proofsV2)
 | 
						|
		}
 | 
						|
	}
 | 
						|
	// Send the proof request and verify the response
 | 
						|
	sendRequest(rawPeer.app, GetProofsV2Msg, 42, proofreqs)
 | 
						|
	if err := expectResponse(rawPeer.app, ProofsV2Msg, 42, testBufLimit, proofsV2.NodeList()); err != nil {
 | 
						|
		t.Errorf("proofs mismatch: %v", err)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
// Tests that the stale contract codes can't be retrieved based on account addresses.
 | 
						|
func TestGetStaleProofLes2(t *testing.T) { testGetStaleProof(t, 2) }
 | 
						|
func TestGetStaleProofLes3(t *testing.T) { testGetStaleProof(t, 3) }
 | 
						|
func TestGetStaleProofLes4(t *testing.T) { testGetStaleProof(t, 4) }
 | 
						|
 | 
						|
func testGetStaleProof(t *testing.T, protocol int) {
 | 
						|
	netconfig := testnetConfig{
 | 
						|
		blocks:    core.TriesInMemory + 4,
 | 
						|
		protocol:  protocol,
 | 
						|
		nopruning: true,
 | 
						|
	}
 | 
						|
	server, _, tearDown := newClientServerEnv(t, netconfig)
 | 
						|
	defer tearDown()
 | 
						|
 | 
						|
	rawPeer, closePeer, _ := server.newRawPeer(t, "peer", protocol)
 | 
						|
	defer closePeer()
 | 
						|
 | 
						|
	bc := server.handler.blockchain
 | 
						|
 | 
						|
	check := func(number uint64, wantOK bool) {
 | 
						|
		var (
 | 
						|
			header  = bc.GetHeaderByNumber(number)
 | 
						|
			account = crypto.Keccak256(userAddr1.Bytes())
 | 
						|
		)
 | 
						|
		req := &ProofReq{
 | 
						|
			BHash: header.Hash(),
 | 
						|
			Key:   account,
 | 
						|
		}
 | 
						|
		sendRequest(rawPeer.app, GetProofsV2Msg, 42, []*ProofReq{req})
 | 
						|
 | 
						|
		var expected []rlp.RawValue
 | 
						|
		if wantOK {
 | 
						|
			proofsV2 := light.NewNodeSet()
 | 
						|
			t, _ := trie.New(header.Root, trie.NewDatabase(server.db))
 | 
						|
			t.Prove(account, 0, proofsV2)
 | 
						|
			expected = proofsV2.NodeList()
 | 
						|
		}
 | 
						|
		if err := expectResponse(rawPeer.app, ProofsV2Msg, 42, testBufLimit, expected); err != nil {
 | 
						|
			t.Errorf("codes mismatch: %v", err)
 | 
						|
		}
 | 
						|
	}
 | 
						|
	check(0, false)                                 // Non-exist proof
 | 
						|
	check(2, false)                                 // Stale proof
 | 
						|
	check(bc.CurrentHeader().Number.Uint64(), true) // Fresh proof
 | 
						|
}
 | 
						|
 | 
						|
// Tests that CHT proofs can be correctly retrieved.
 | 
						|
func TestGetCHTProofsLes2(t *testing.T) { testGetCHTProofs(t, 2) }
 | 
						|
func TestGetCHTProofsLes3(t *testing.T) { testGetCHTProofs(t, 3) }
 | 
						|
func TestGetCHTProofsLes4(t *testing.T) { testGetCHTProofs(t, 4) }
 | 
						|
 | 
						|
func testGetCHTProofs(t *testing.T, protocol int) {
 | 
						|
	var (
 | 
						|
		config       = light.TestServerIndexerConfig
 | 
						|
		waitIndexers = func(cIndexer, bIndexer, btIndexer *core.ChainIndexer) {
 | 
						|
			for {
 | 
						|
				cs, _, _ := cIndexer.Sections()
 | 
						|
				if cs >= 1 {
 | 
						|
					break
 | 
						|
				}
 | 
						|
				time.Sleep(10 * time.Millisecond)
 | 
						|
			}
 | 
						|
		}
 | 
						|
		netconfig = testnetConfig{
 | 
						|
			blocks:    int(config.ChtSize + config.ChtConfirms),
 | 
						|
			protocol:  protocol,
 | 
						|
			indexFn:   waitIndexers,
 | 
						|
			nopruning: true,
 | 
						|
		}
 | 
						|
	)
 | 
						|
	server, _, tearDown := newClientServerEnv(t, netconfig)
 | 
						|
	defer tearDown()
 | 
						|
 | 
						|
	rawPeer, closePeer, _ := server.newRawPeer(t, "peer", protocol)
 | 
						|
	defer closePeer()
 | 
						|
 | 
						|
	bc := server.handler.blockchain
 | 
						|
 | 
						|
	// Assemble the proofs from the different protocols
 | 
						|
	header := bc.GetHeaderByNumber(config.ChtSize - 1)
 | 
						|
	rlp, _ := rlp.EncodeToBytes(header)
 | 
						|
 | 
						|
	key := make([]byte, 8)
 | 
						|
	binary.BigEndian.PutUint64(key, config.ChtSize-1)
 | 
						|
 | 
						|
	proofsV2 := HelperTrieResps{
 | 
						|
		AuxData: [][]byte{rlp},
 | 
						|
	}
 | 
						|
	root := light.GetChtRoot(server.db, 0, bc.GetHeaderByNumber(config.ChtSize-1).Hash())
 | 
						|
	trie, _ := trie.New(root, trie.NewDatabase(rawdb.NewTable(server.db, light.ChtTablePrefix)))
 | 
						|
	trie.Prove(key, 0, &proofsV2.Proofs)
 | 
						|
	// Assemble the requests for the different protocols
 | 
						|
	requestsV2 := []HelperTrieReq{{
 | 
						|
		Type:    htCanonical,
 | 
						|
		TrieIdx: 0,
 | 
						|
		Key:     key,
 | 
						|
		AuxReq:  htAuxHeader,
 | 
						|
	}}
 | 
						|
	// Send the proof request and verify the response
 | 
						|
	sendRequest(rawPeer.app, GetHelperTrieProofsMsg, 42, requestsV2)
 | 
						|
	if err := expectResponse(rawPeer.app, HelperTrieProofsMsg, 42, testBufLimit, proofsV2); err != nil {
 | 
						|
		t.Errorf("proofs mismatch: %v", err)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func TestGetBloombitsProofsLes2(t *testing.T) { testGetBloombitsProofs(t, 2) }
 | 
						|
func TestGetBloombitsProofsLes3(t *testing.T) { testGetBloombitsProofs(t, 3) }
 | 
						|
func TestGetBloombitsProofsLes4(t *testing.T) { testGetBloombitsProofs(t, 4) }
 | 
						|
 | 
						|
// Tests that bloombits proofs can be correctly retrieved.
 | 
						|
func testGetBloombitsProofs(t *testing.T, protocol int) {
 | 
						|
	var (
 | 
						|
		config       = light.TestServerIndexerConfig
 | 
						|
		waitIndexers = func(cIndexer, bIndexer, btIndexer *core.ChainIndexer) {
 | 
						|
			for {
 | 
						|
				bts, _, _ := btIndexer.Sections()
 | 
						|
				if bts >= 1 {
 | 
						|
					break
 | 
						|
				}
 | 
						|
				time.Sleep(10 * time.Millisecond)
 | 
						|
			}
 | 
						|
		}
 | 
						|
		netconfig = testnetConfig{
 | 
						|
			blocks:    int(config.BloomTrieSize + config.BloomTrieConfirms),
 | 
						|
			protocol:  protocol,
 | 
						|
			indexFn:   waitIndexers,
 | 
						|
			nopruning: true,
 | 
						|
		}
 | 
						|
	)
 | 
						|
	server, _, tearDown := newClientServerEnv(t, netconfig)
 | 
						|
	defer tearDown()
 | 
						|
 | 
						|
	rawPeer, closePeer, _ := server.newRawPeer(t, "peer", protocol)
 | 
						|
	defer closePeer()
 | 
						|
 | 
						|
	bc := server.handler.blockchain
 | 
						|
 | 
						|
	// Request and verify each bit of the bloom bits proofs
 | 
						|
	for bit := 0; bit < 2048; bit++ {
 | 
						|
		// Assemble the request and proofs for the bloombits
 | 
						|
		key := make([]byte, 10)
 | 
						|
 | 
						|
		binary.BigEndian.PutUint16(key[:2], uint16(bit))
 | 
						|
		// Only the first bloom section has data.
 | 
						|
		binary.BigEndian.PutUint64(key[2:], 0)
 | 
						|
 | 
						|
		requests := []HelperTrieReq{{
 | 
						|
			Type:    htBloomBits,
 | 
						|
			TrieIdx: 0,
 | 
						|
			Key:     key,
 | 
						|
		}}
 | 
						|
		var proofs HelperTrieResps
 | 
						|
 | 
						|
		root := light.GetBloomTrieRoot(server.db, 0, bc.GetHeaderByNumber(config.BloomTrieSize-1).Hash())
 | 
						|
		trie, _ := trie.New(root, trie.NewDatabase(rawdb.NewTable(server.db, light.BloomTrieTablePrefix)))
 | 
						|
		trie.Prove(key, 0, &proofs.Proofs)
 | 
						|
 | 
						|
		// Send the proof request and verify the response
 | 
						|
		sendRequest(rawPeer.app, GetHelperTrieProofsMsg, 42, requests)
 | 
						|
		if err := expectResponse(rawPeer.app, HelperTrieProofsMsg, 42, testBufLimit, proofs); err != nil {
 | 
						|
			t.Errorf("bit %d: proofs mismatch: %v", bit, err)
 | 
						|
		}
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func TestTransactionStatusLes2(t *testing.T) { testTransactionStatus(t, lpv2) }
 | 
						|
func TestTransactionStatusLes3(t *testing.T) { testTransactionStatus(t, lpv3) }
 | 
						|
func TestTransactionStatusLes4(t *testing.T) { testTransactionStatus(t, lpv4) }
 | 
						|
 | 
						|
func testTransactionStatus(t *testing.T, protocol int) {
 | 
						|
	netconfig := testnetConfig{
 | 
						|
		protocol:  protocol,
 | 
						|
		nopruning: true,
 | 
						|
	}
 | 
						|
	server, _, tearDown := newClientServerEnv(t, netconfig)
 | 
						|
	defer tearDown()
 | 
						|
 | 
						|
	rawPeer, closePeer, _ := server.newRawPeer(t, "peer", protocol)
 | 
						|
	defer closePeer()
 | 
						|
 | 
						|
	server.handler.addTxsSync = true
 | 
						|
 | 
						|
	chain := server.handler.blockchain
 | 
						|
 | 
						|
	var reqID uint64
 | 
						|
 | 
						|
	test := func(tx *types.Transaction, send bool, expStatus light.TxStatus) {
 | 
						|
		reqID++
 | 
						|
		if send {
 | 
						|
			sendRequest(rawPeer.app, SendTxV2Msg, reqID, types.Transactions{tx})
 | 
						|
		} else {
 | 
						|
			sendRequest(rawPeer.app, GetTxStatusMsg, reqID, []common.Hash{tx.Hash()})
 | 
						|
		}
 | 
						|
		if err := expectResponse(rawPeer.app, TxStatusMsg, reqID, testBufLimit, []light.TxStatus{expStatus}); err != nil {
 | 
						|
			t.Errorf("transaction status mismatch")
 | 
						|
		}
 | 
						|
	}
 | 
						|
	signer := types.HomesteadSigner{}
 | 
						|
 | 
						|
	// test error status by sending an underpriced transaction
 | 
						|
	tx0, _ := types.SignTx(types.NewTransaction(0, userAddr1, big.NewInt(10000), params.TxGas, nil, nil), signer, bankKey)
 | 
						|
	test(tx0, true, light.TxStatus{Status: core.TxStatusUnknown, Error: core.ErrUnderpriced.Error()})
 | 
						|
 | 
						|
	tx1, _ := types.SignTx(types.NewTransaction(0, userAddr1, big.NewInt(10000), params.TxGas, big.NewInt(100000000000), nil), signer, bankKey)
 | 
						|
	test(tx1, false, light.TxStatus{Status: core.TxStatusUnknown}) // query before sending, should be unknown
 | 
						|
	test(tx1, true, light.TxStatus{Status: core.TxStatusPending})  // send valid processable tx, should return pending
 | 
						|
	test(tx1, true, light.TxStatus{Status: core.TxStatusPending})  // adding it again should not return an error
 | 
						|
 | 
						|
	tx2, _ := types.SignTx(types.NewTransaction(1, userAddr1, big.NewInt(10000), params.TxGas, big.NewInt(100000000000), nil), signer, bankKey)
 | 
						|
	tx3, _ := types.SignTx(types.NewTransaction(2, userAddr1, big.NewInt(10000), params.TxGas, big.NewInt(100000000000), nil), signer, bankKey)
 | 
						|
	// send transactions in the wrong order, tx3 should be queued
 | 
						|
	test(tx3, true, light.TxStatus{Status: core.TxStatusQueued})
 | 
						|
	test(tx2, true, light.TxStatus{Status: core.TxStatusPending})
 | 
						|
	// query again, now tx3 should be pending too
 | 
						|
	test(tx3, false, light.TxStatus{Status: core.TxStatusPending})
 | 
						|
 | 
						|
	// generate and add a block with tx1 and tx2 included
 | 
						|
	gchain, _ := core.GenerateChain(params.TestChainConfig, chain.GetBlockByNumber(0), ethash.NewFaker(), server.db, 1, func(i int, block *core.BlockGen) {
 | 
						|
		block.AddTx(tx1)
 | 
						|
		block.AddTx(tx2)
 | 
						|
	})
 | 
						|
	if _, err := chain.InsertChain(gchain); err != nil {
 | 
						|
		panic(err)
 | 
						|
	}
 | 
						|
	// wait until TxPool processes the inserted block
 | 
						|
	for i := 0; i < 10; i++ {
 | 
						|
		if pending, _ := server.handler.txpool.Stats(); pending == 1 {
 | 
						|
			break
 | 
						|
		}
 | 
						|
		time.Sleep(100 * time.Millisecond)
 | 
						|
	}
 | 
						|
	if pending, _ := server.handler.txpool.Stats(); pending != 1 {
 | 
						|
		t.Fatalf("pending count mismatch: have %d, want 1", pending)
 | 
						|
	}
 | 
						|
	// Discard new block announcement
 | 
						|
	msg, _ := rawPeer.app.ReadMsg()
 | 
						|
	msg.Discard()
 | 
						|
 | 
						|
	// check if their status is included now
 | 
						|
	block1hash := rawdb.ReadCanonicalHash(server.db, 1)
 | 
						|
	test(tx1, false, light.TxStatus{Status: core.TxStatusIncluded, Lookup: &rawdb.LegacyTxLookupEntry{BlockHash: block1hash, BlockIndex: 1, Index: 0}})
 | 
						|
 | 
						|
	test(tx2, false, light.TxStatus{Status: core.TxStatusIncluded, Lookup: &rawdb.LegacyTxLookupEntry{BlockHash: block1hash, BlockIndex: 1, Index: 1}})
 | 
						|
 | 
						|
	// create a reorg that rolls them back
 | 
						|
	gchain, _ = core.GenerateChain(params.TestChainConfig, chain.GetBlockByNumber(0), ethash.NewFaker(), server.db, 2, func(i int, block *core.BlockGen) {})
 | 
						|
	if _, err := chain.InsertChain(gchain); err != nil {
 | 
						|
		panic(err)
 | 
						|
	}
 | 
						|
	// wait until TxPool processes the reorg
 | 
						|
	for i := 0; i < 10; i++ {
 | 
						|
		if pending, _ := server.handler.txpool.Stats(); pending == 3 {
 | 
						|
			break
 | 
						|
		}
 | 
						|
		time.Sleep(100 * time.Millisecond)
 | 
						|
	}
 | 
						|
	if pending, _ := server.handler.txpool.Stats(); pending != 3 {
 | 
						|
		t.Fatalf("pending count mismatch: have %d, want 3", pending)
 | 
						|
	}
 | 
						|
	// Discard new block announcement
 | 
						|
	msg, _ = rawPeer.app.ReadMsg()
 | 
						|
	msg.Discard()
 | 
						|
 | 
						|
	// check if their status is pending again
 | 
						|
	test(tx1, false, light.TxStatus{Status: core.TxStatusPending})
 | 
						|
	test(tx2, false, light.TxStatus{Status: core.TxStatusPending})
 | 
						|
}
 | 
						|
 | 
						|
func TestStopResumeLES3(t *testing.T) { testStopResume(t, lpv3) }
 | 
						|
func TestStopResumeLES4(t *testing.T) { testStopResume(t, lpv4) }
 | 
						|
 | 
						|
func testStopResume(t *testing.T, protocol int) {
 | 
						|
	netconfig := testnetConfig{
 | 
						|
		protocol:  protocol,
 | 
						|
		simClock:  true,
 | 
						|
		nopruning: true,
 | 
						|
	}
 | 
						|
	server, _, tearDown := newClientServerEnv(t, netconfig)
 | 
						|
	defer tearDown()
 | 
						|
 | 
						|
	server.handler.server.costTracker.testing = true
 | 
						|
	server.handler.server.costTracker.testCostList = testCostList(testBufLimit / 10)
 | 
						|
 | 
						|
	rawPeer, closePeer, _ := server.newRawPeer(t, "peer", protocol)
 | 
						|
	defer closePeer()
 | 
						|
 | 
						|
	var (
 | 
						|
		reqID    uint64
 | 
						|
		expBuf   = testBufLimit
 | 
						|
		testCost = testBufLimit / 10
 | 
						|
	)
 | 
						|
	header := server.handler.blockchain.CurrentHeader()
 | 
						|
	req := func() {
 | 
						|
		reqID++
 | 
						|
		sendRequest(rawPeer.app, GetBlockHeadersMsg, reqID, &GetBlockHeadersData{Origin: hashOrNumber{Hash: header.Hash()}, Amount: 1})
 | 
						|
	}
 | 
						|
	for i := 1; i <= 5; i++ {
 | 
						|
		// send requests while we still have enough buffer and expect a response
 | 
						|
		for expBuf >= testCost {
 | 
						|
			req()
 | 
						|
			expBuf -= testCost
 | 
						|
			if err := expectResponse(rawPeer.app, BlockHeadersMsg, reqID, expBuf, []*types.Header{header}); err != nil {
 | 
						|
				t.Errorf("expected response and failed: %v", err)
 | 
						|
			}
 | 
						|
		}
 | 
						|
		// send some more requests in excess and expect a single StopMsg
 | 
						|
		c := i
 | 
						|
		for c > 0 {
 | 
						|
			req()
 | 
						|
			c--
 | 
						|
		}
 | 
						|
		if err := p2p.ExpectMsg(rawPeer.app, StopMsg, nil); err != nil {
 | 
						|
			t.Errorf("expected StopMsg and failed: %v", err)
 | 
						|
		}
 | 
						|
		// wait until the buffer is recharged by half of the limit
 | 
						|
		wait := testBufLimit / testBufRecharge / 2
 | 
						|
		server.clock.(*mclock.Simulated).Run(time.Millisecond * time.Duration(wait))
 | 
						|
 | 
						|
		// expect a ResumeMsg with the partially recharged buffer value
 | 
						|
		expBuf += testBufRecharge * wait
 | 
						|
		if err := p2p.ExpectMsg(rawPeer.app, ResumeMsg, expBuf); err != nil {
 | 
						|
			t.Errorf("expected ResumeMsg and failed: %v", err)
 | 
						|
		}
 | 
						|
	}
 | 
						|
}
 |