github.com/shrimpyuk/bor@v0.2.15-0.20220224151350-fb4ec6020bae/consensus/bor/bor_test.go (about)

     1  package bor
     2  
     3  import (
     4  	"math/big"
     5  	"testing"
     6  
     7  	"github.com/ethereum/go-ethereum/common"
     8  	"github.com/ethereum/go-ethereum/common/hexutil"
     9  	"github.com/ethereum/go-ethereum/core"
    10  	"github.com/ethereum/go-ethereum/core/rawdb"
    11  	"github.com/ethereum/go-ethereum/core/state"
    12  	"github.com/ethereum/go-ethereum/core/types"
    13  	"github.com/ethereum/go-ethereum/core/vm"
    14  	"github.com/ethereum/go-ethereum/params"
    15  	"github.com/stretchr/testify/assert"
    16  )
    17  
    18  func TestGenesisContractChange(t *testing.T) {
    19  	addr0 := common.Address{0x1}
    20  
    21  	b := &Bor{
    22  		config: &params.BorConfig{
    23  			Sprint: 10, // skip sprint transactions in sprint
    24  			BlockAlloc: map[string]interface{}{
    25  				// write as interface since that is how it is decoded in genesis
    26  				"2": map[string]interface{}{
    27  					addr0.Hex(): map[string]interface{}{
    28  						"code":    hexutil.Bytes{0x1, 0x2},
    29  						"balance": "0",
    30  					},
    31  				},
    32  				"4": map[string]interface{}{
    33  					addr0.Hex(): map[string]interface{}{
    34  						"code":    hexutil.Bytes{0x1, 0x3},
    35  						"balance": "0x1000",
    36  					},
    37  				},
    38  			},
    39  		},
    40  	}
    41  
    42  	genspec := &core.Genesis{
    43  		Alloc: map[common.Address]core.GenesisAccount{
    44  			addr0: {
    45  				Balance: big.NewInt(0),
    46  				Code:    []byte{0x1, 0x1},
    47  			},
    48  		},
    49  	}
    50  
    51  	db := rawdb.NewMemoryDatabase()
    52  	genesis := genspec.MustCommit(db)
    53  
    54  	statedb, err := state.New(genesis.Root(), state.NewDatabase(db), nil)
    55  	assert.NoError(t, err)
    56  
    57  	config := params.ChainConfig{}
    58  	chain, err := core.NewBlockChain(db, nil, &config, b, vm.Config{}, nil, nil)
    59  	assert.NoError(t, err)
    60  
    61  	addBlock := func(root common.Hash, num int64) (common.Hash, *state.StateDB) {
    62  		h := &types.Header{
    63  			ParentHash: root,
    64  			Number:     big.NewInt(num),
    65  		}
    66  		b.Finalize(chain, h, statedb, nil, nil)
    67  
    68  		// write state to database
    69  		root, err := statedb.Commit(false)
    70  		assert.NoError(t, err)
    71  		assert.NoError(t, statedb.Database().TrieDB().Commit(root, true, nil))
    72  
    73  		statedb, err := state.New(h.Root, state.NewDatabase(db), nil)
    74  		assert.NoError(t, err)
    75  
    76  		return root, statedb
    77  	}
    78  
    79  	assert.Equal(t, statedb.GetCode(addr0), []byte{0x1, 0x1})
    80  
    81  	root := genesis.Root()
    82  
    83  	// code does not change
    84  	root, statedb = addBlock(root, 1)
    85  	assert.Equal(t, statedb.GetCode(addr0), []byte{0x1, 0x1})
    86  
    87  	// code changes 1st time
    88  	root, statedb = addBlock(root, 2)
    89  	assert.Equal(t, statedb.GetCode(addr0), []byte{0x1, 0x2})
    90  
    91  	// code same as 1st change
    92  	root, statedb = addBlock(root, 3)
    93  	assert.Equal(t, statedb.GetCode(addr0), []byte{0x1, 0x2})
    94  
    95  	// code changes 2nd time
    96  	_, statedb = addBlock(root, 4)
    97  	assert.Equal(t, statedb.GetCode(addr0), []byte{0x1, 0x3})
    98  
    99  	// make sure balance change DOES NOT take effect
   100  	assert.Equal(t, statedb.GetBalance(addr0), big.NewInt(0))
   101  }
   102  
   103  func TestEncodeSigHeaderJaipur(t *testing.T) {
   104  	// As part of the EIP-1559 fork in mumbai, an incorrect seal hash
   105  	// was used for Bor that did not included the BaseFee. The Jaipur
   106  	// block is a hard fork to fix that.
   107  	h := &types.Header{
   108  		Difficulty: new(big.Int),
   109  		Number:     big.NewInt(1),
   110  		Extra:      make([]byte, 32+65),
   111  	}
   112  
   113  	var (
   114  		// hash for the block without the BaseFee
   115  		hashWithoutBaseFee = common.HexToHash("0x1be13e83939b3c4701ee57a34e10c9290ce07b0e53af0fe90b812c6881826e36")
   116  		// hash for the block with the baseFee
   117  		hashWithBaseFee = common.HexToHash("0xc55b0cac99161f71bde1423a091426b1b5b4d7598e5981ad802cce712771965b")
   118  	)
   119  
   120  	// Jaipur NOT enabled and BaseFee not set
   121  	hash := SealHash(h, &params.BorConfig{JaipurBlock: 10})
   122  	assert.Equal(t, hash, hashWithoutBaseFee)
   123  
   124  	// Jaipur enabled (Jaipur=0) and BaseFee not set
   125  	hash = SealHash(h, &params.BorConfig{JaipurBlock: 0})
   126  	assert.Equal(t, hash, hashWithoutBaseFee)
   127  
   128  	h.BaseFee = big.NewInt(2)
   129  
   130  	// Jaipur enabled (Jaipur=Header block) and BaseFee set
   131  	hash = SealHash(h, &params.BorConfig{JaipurBlock: 1})
   132  	assert.Equal(t, hash, hashWithBaseFee)
   133  
   134  	// Jaipur NOT enabled and BaseFee set
   135  	hash = SealHash(h, &params.BorConfig{JaipurBlock: 10})
   136  	assert.Equal(t, hash, hashWithoutBaseFee)
   137  }