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// Copyright 2020 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package ethtest
import (
"path/filepath"
"strconv"
"testing"
"github.com/ethereum/go-ethereum/eth/protocols/eth"
"github.com/ethereum/go-ethereum/p2p"
"github.com/stretchr/testify/assert"
)
// TestEthProtocolNegotiation tests whether the test suite
// can negotiate the highest eth protocol in a status message exchange
func TestEthProtocolNegotiation(t *testing.T) {
var tests = []struct {
conn *Conn
caps []p2p.Cap
expected uint32
}{
{
conn: &Conn{
ourHighestProtoVersion: 65,
},
caps: []p2p.Cap{
{Name: "eth", Version: 63},
{Name: "eth", Version: 64},
{Name: "eth", Version: 65},
},
expected: uint32(65),
},
{
conn: &Conn{
ourHighestProtoVersion: 65,
},
caps: []p2p.Cap{
{Name: "eth", Version: 63},
{Name: "eth", Version: 64},
{Name: "eth", Version: 65},
},
expected: uint32(65),
},
{
conn: &Conn{
ourHighestProtoVersion: 65,
},
caps: []p2p.Cap{
{Name: "eth", Version: 63},
{Name: "eth", Version: 64},
{Name: "eth", Version: 65},
},
expected: uint32(65),
},
{
conn: &Conn{
ourHighestProtoVersion: 64,
},
caps: []p2p.Cap{
{Name: "eth", Version: 63},
{Name: "eth", Version: 64},
{Name: "eth", Version: 65},
},
expected: 64,
},
{
conn: &Conn{
ourHighestProtoVersion: 65,
},
caps: []p2p.Cap{
{Name: "eth", Version: 0},
{Name: "eth", Version: 89},
{Name: "eth", Version: 65},
},
expected: uint32(65),
},
{
conn: &Conn{
ourHighestProtoVersion: 64,
},
caps: []p2p.Cap{
{Name: "eth", Version: 63},
{Name: "eth", Version: 64},
{Name: "wrongProto", Version: 65},
},
expected: uint32(64),
},
{
conn: &Conn{
ourHighestProtoVersion: 65,
},
caps: []p2p.Cap{
{Name: "eth", Version: 63},
{Name: "eth", Version: 64},
{Name: "wrongProto", Version: 65},
},
expected: uint32(64),
},
}
for i, tt := range tests {
t.Run(strconv.Itoa(i), func(t *testing.T) {
tt.conn.negotiateEthProtocol(tt.caps)
assert.Equal(t, tt.expected, uint32(tt.conn.negotiatedProtoVersion))
})
}
}
// TestChain_GetHeaders tests whether the test suite can correctly
// respond to a GetBlockHeaders request from a node.
func TestChain_GetHeaders(t *testing.T) {
chainFile, err := filepath.Abs("./testdata/chain.rlp")
if err != nil {
t.Fatal(err)
}
genesisFile, err := filepath.Abs("./testdata/genesis.json")
if err != nil {
t.Fatal(err)
}
chain, err := loadChain(chainFile, genesisFile)
if err != nil {
t.Fatal(err)
}
var tests = []struct {
req GetBlockHeaders
expected BlockHeaders
}{
{
req: GetBlockHeaders{
Origin: eth.HashOrNumber{
Number: uint64(2),
},
Amount: uint64(5),
Skip: 1,
Reverse: false,
},
expected: BlockHeaders{
chain.blocks[2].Header(),
chain.blocks[4].Header(),
chain.blocks[6].Header(),
chain.blocks[8].Header(),
chain.blocks[10].Header(),
},
},
{
req: GetBlockHeaders{
Origin: eth.HashOrNumber{
Number: uint64(chain.Len() - 1),
},
Amount: uint64(3),
Skip: 0,
Reverse: true,
},
expected: BlockHeaders{
chain.blocks[chain.Len()-1].Header(),
chain.blocks[chain.Len()-2].Header(),
chain.blocks[chain.Len()-3].Header(),
},
},
{
req: GetBlockHeaders{
Origin: eth.HashOrNumber{
Hash: chain.Head().Hash(),
},
Amount: uint64(1),
Skip: 0,
Reverse: false,
},
expected: BlockHeaders{
chain.Head().Header(),
},
},
}
for i, tt := range tests {
t.Run(strconv.Itoa(i), func(t *testing.T) {
headers, err := chain.GetHeaders(tt.req)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, headers, tt.expected)
})
}
}