github.com/AlohaMobile/go-ethereum@v1.9.7/core/types/block_test.go (about)

     1  // Copyright 2014 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package types
    18  
    19  import (
    20  	"bytes"
    21  	"math/big"
    22  	"reflect"
    23  	"testing"
    24  
    25  	"github.com/ethereum/go-ethereum/common"
    26  	"github.com/ethereum/go-ethereum/rlp"
    27  )
    28  
    29  // from bcValidBlockTest.json, "SimpleTx"
    30  func TestBlockEncoding(t *testing.T) {
    31  	blockEnc := common.FromHex("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")
    32  	var block Block
    33  	if err := rlp.DecodeBytes(blockEnc, &block); err != nil {
    34  		t.Fatal("decode error: ", err)
    35  	}
    36  
    37  	check := func(f string, got, want interface{}) {
    38  		if !reflect.DeepEqual(got, want) {
    39  			t.Errorf("%s mismatch: got %v, want %v", f, got, want)
    40  		}
    41  	}
    42  	check("Difficulty", block.Difficulty(), big.NewInt(131072))
    43  	check("GasLimit", block.GasLimit(), uint64(3141592))
    44  	check("GasUsed", block.GasUsed(), uint64(21000))
    45  	check("Coinbase", block.Coinbase(), common.HexToAddress("8888f1f195afa192cfee860698584c030f4c9db1"))
    46  	check("MixDigest", block.MixDigest(), common.HexToHash("bd4472abb6659ebe3ee06ee4d7b72a00a9f4d001caca51342001075469aff498"))
    47  	check("Root", block.Root(), common.HexToHash("ef1552a40b7165c3cd773806b9e0c165b75356e0314bf0706f279c729f51e017"))
    48  	check("Hash", block.Hash(), common.HexToHash("0a5843ac1cb04865017cb35a57b50b07084e5fcee39b5acadade33149f4fff9e"))
    49  	check("Nonce", block.Nonce(), uint64(0xa13a5a8c8f2bb1c4))
    50  	check("Time", block.Time(), uint64(1426516743))
    51  	check("Size", block.Size(), common.StorageSize(len(blockEnc)))
    52  
    53  	tx1 := NewTransaction(0, common.HexToAddress("095e7baea6a6c7c4c2dfeb977efac326af552d87"), big.NewInt(10), 50000, big.NewInt(10), nil)
    54  	tx1, _ = tx1.WithSignature(HomesteadSigner{}, common.Hex2Bytes("9bea4c4daac7c7c52e093e6a4c35dbbcf8856f1af7b059ba20253e70848d094f8a8fae537ce25ed8cb5af9adac3f141af69bd515bd2ba031522df09b97dd72b100"))
    55  	check("len(Transactions)", len(block.Transactions()), 1)
    56  	check("Transactions[0].Hash", block.Transactions()[0].Hash(), tx1.Hash())
    57  
    58  	ourBlockEnc, err := rlp.EncodeToBytes(&block)
    59  	if err != nil {
    60  		t.Fatal("encode error: ", err)
    61  	}
    62  	if !bytes.Equal(ourBlockEnc, blockEnc) {
    63  		t.Errorf("encoded block mismatch:\ngot:  %x\nwant: %x", ourBlockEnc, blockEnc)
    64  	}
    65  }
    66  
    67  func TestUncleHash(t *testing.T) {
    68  	uncles := make([]*Header, 0)
    69  	h := CalcUncleHash(uncles)
    70  	exp := common.HexToHash("1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347")
    71  	if h != exp {
    72  		t.Fatalf("empty uncle hash is wrong, got %x != %x", h, exp)
    73  	}
    74  }
    75  func BenchmarkUncleHash(b *testing.B) {
    76  	uncles := make([]*Header, 0)
    77  	b.ResetTimer()
    78  	for i := 0; i < b.N; i++ {
    79  		CalcUncleHash(uncles)
    80  	}
    81  }