go-ethereum/statediff/builder_test.go
2020-05-10 15:44:21 -05:00

986 lines
30 KiB
Go

// Copyright 2019 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 statediff_test
import (
"bytes"
"math/big"
"sort"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/statediff"
"github.com/ethereum/go-ethereum/statediff/testhelpers"
)
// TODO: add test that filters on address
var (
contractLeafKey []byte
emptyAccounts = make([]statediff.StateNode, 0)
emptyStorage = make([]statediff.StorageNode, 0)
block0, block1, block2, block3 *types.Block
builder statediff.Builder
miningReward = int64(2000000000000000000)
minerAddress = common.HexToAddress("0x0")
minerLeafKey = testhelpers.AddressToLeafKey(minerAddress)
balanceChange10000 = int64(10000)
balanceChange1000 = int64(1000)
block1BankBalance = int64(99990000)
block1Account1Balance = int64(10000)
block2Account2Balance = int64(1000)
contractContractRoot = "0x821e2556a290c86405f8160a2d662042a431ba456b9db265c79bb837c04be5f0"
newContractRoot = "0x71e0d14b2b93e5c7f9748e69e1fe5f17498a1c3ac3cec29f96af13d7f8a4e070"
originalStorageLocation = common.HexToHash("0")
originalStorageKey = crypto.Keccak256Hash(originalStorageLocation[:]).Bytes()
newStorageLocation = common.HexToHash("2")
newStorageKey = crypto.Keccak256Hash(newStorageLocation[:]).Bytes()
originalStorageValue = common.Hex2Bytes("01")
originalStorageLeafNode, _ = rlp.EncodeToBytes([]interface{}{
common.Hex2Bytes("20290decd9548b62a8d60345a988386fc84ba6bc95484008f6362f93160ef3e563"),
originalStorageValue,
})
updatedStorageLeafNode, _ = rlp.EncodeToBytes([]interface{}{
common.Hex2Bytes("390decd9548b62a8d60345a988386fc84ba6bc95484008f6362f93160ef3e563"),
originalStorageValue,
})
newStorageValue = common.Hex2Bytes("03")
newStorageLeafNode, _ = rlp.EncodeToBytes([]interface{}{
common.Hex2Bytes("305787fa12a823e0f2b7631cc41b3ba8828b3321ca811111fa75cd3aa3bb5ace"),
newStorageValue,
})
bankAccountAtBlock0, _ = rlp.EncodeToBytes(state.Account{
Nonce: testhelpers.Nonce0,
Balance: big.NewInt(testhelpers.TestBankFunds.Int64()),
CodeHash: testhelpers.NullCodeHash.Bytes(),
Root: testhelpers.EmptyContractRoot,
})
bankAccountAtBlock0LeafNode, _ = rlp.EncodeToBytes([]interface{}{
common.Hex2Bytes("2000bf49f440a1cd0527e4d06e2765654c0f56452257516d793a9b8d604dcfdf2a"),
bankAccountAtBlock0,
})
account1AtBlock1, _ = rlp.EncodeToBytes(state.Account{
Nonce: testhelpers.Nonce0,
Balance: big.NewInt(balanceChange10000),
CodeHash: testhelpers.NullCodeHash.Bytes(),
Root: testhelpers.EmptyContractRoot,
})
account1AtBlock1LeafNode, _ = rlp.EncodeToBytes([]interface{}{
common.Hex2Bytes("3926db69aaced518e9b9f0f434a473e7174109c943548bb8f23be41ca76d9ad2"),
account1AtBlock1,
})
minerAccountAtBlock1, _ = rlp.EncodeToBytes(state.Account{
Nonce: testhelpers.Nonce0,
Balance: big.NewInt(miningReward),
CodeHash: testhelpers.NullCodeHash.Bytes(),
Root: testhelpers.EmptyContractRoot,
})
minerAccountAtBlock1LeafNode, _ = rlp.EncodeToBytes([]interface{}{
common.Hex2Bytes("3380c7b7ae81a58eb98d9c78de4a1fd7fd9535fc953ed2be602daaa41767312a"),
minerAccountAtBlock1,
})
bankAccountAtBlock1, _ = rlp.EncodeToBytes(state.Account{
Nonce: testhelpers.Nonce1,
Balance: big.NewInt(testhelpers.TestBankFunds.Int64() - balanceChange10000),
CodeHash: testhelpers.NullCodeHash.Bytes(),
Root: testhelpers.EmptyContractRoot,
})
bankAccountAtBlock1LeafNode, _ = rlp.EncodeToBytes([]interface{}{
common.Hex2Bytes("30bf49f440a1cd0527e4d06e2765654c0f56452257516d793a9b8d604dcfdf2a"),
bankAccountAtBlock1,
})
account2AtBlock2, _ = rlp.EncodeToBytes(state.Account{
Nonce: testhelpers.Nonce0,
Balance: big.NewInt(balanceChange1000),
CodeHash: testhelpers.NullCodeHash.Bytes(),
Root: testhelpers.EmptyContractRoot,
})
account2AtBlock2LeafNode, _ = rlp.EncodeToBytes([]interface{}{
common.Hex2Bytes("3957f3e2f04a0764c3a0491b175f69926da61efbcc8f61fa1455fd2d2b4cdd45"),
account2AtBlock2,
})
contractAccountAtBlock2, _ = rlp.EncodeToBytes(state.Account{
Nonce: testhelpers.Nonce1,
Balance: big.NewInt(0),
CodeHash: common.HexToHash("0x753f98a8d4328b15636e46f66f2cb4bc860100aa17967cc145fcd17d1d4710ea").Bytes(),
Root: common.HexToHash(contractContractRoot),
})
contractAccountAtBlock2LeafNode, _ = rlp.EncodeToBytes([]interface{}{
common.Hex2Bytes("3114658a74d9cc9f7acf2c5cd696c3494d7c344d78bfec3add0d91ec4e8d1c45"),
contractAccountAtBlock2,
})
bankAccountAtBlock2, _ = rlp.EncodeToBytes(state.Account{
Nonce: testhelpers.Nonce2,
Balance: big.NewInt(block1BankBalance - balanceChange1000),
CodeHash: testhelpers.NullCodeHash.Bytes(),
Root: testhelpers.EmptyContractRoot,
})
bankAccountAtBlock2LeafNode, _ = rlp.EncodeToBytes([]interface{}{
common.Hex2Bytes("30bf49f440a1cd0527e4d06e2765654c0f56452257516d793a9b8d604dcfdf2a"),
bankAccountAtBlock2,
})
account1AtBlock2, _ = rlp.EncodeToBytes(state.Account{
Nonce: testhelpers.Nonce2,
Balance: big.NewInt(block1Account1Balance - balanceChange1000 + balanceChange1000),
CodeHash: testhelpers.NullCodeHash.Bytes(),
Root: testhelpers.EmptyContractRoot,
})
account1AtBlock2LeafNode, _ = rlp.EncodeToBytes([]interface{}{
common.Hex2Bytes("3926db69aaced518e9b9f0f434a473e7174109c943548bb8f23be41ca76d9ad2"),
account1AtBlock2,
})
minerAccountAtBlock2, _ = rlp.EncodeToBytes(state.Account{
Nonce: testhelpers.Nonce0,
Balance: big.NewInt(miningReward + miningReward),
CodeHash: testhelpers.NullCodeHash.Bytes(),
Root: testhelpers.EmptyContractRoot,
})
minerAccountAtBlock2LeafNode, _ = rlp.EncodeToBytes([]interface{}{
common.Hex2Bytes("3380c7b7ae81a58eb98d9c78de4a1fd7fd9535fc953ed2be602daaa41767312a"),
minerAccountAtBlock2,
})
account2AtBlock3, _ = rlp.EncodeToBytes(state.Account{
Nonce: testhelpers.Nonce0,
Balance: big.NewInt(block2Account2Balance + miningReward),
CodeHash: testhelpers.NullCodeHash.Bytes(),
Root: testhelpers.EmptyContractRoot,
})
account2AtBlock3LeafNode, _ = rlp.EncodeToBytes([]interface{}{
common.Hex2Bytes("3957f3e2f04a0764c3a0491b175f69926da61efbcc8f61fa1455fd2d2b4cdd45"),
account2AtBlock3,
})
contractAccountAtBlock3, _ = rlp.EncodeToBytes(state.Account{
Nonce: testhelpers.Nonce1,
Balance: big.NewInt(0),
CodeHash: common.HexToHash("0x753f98a8d4328b15636e46f66f2cb4bc860100aa17967cc145fcd17d1d4710ea").Bytes(),
Root: common.HexToHash(newContractRoot),
})
contractAccountAtBlock3LeafNode, _ = rlp.EncodeToBytes([]interface{}{
common.Hex2Bytes("3114658a74d9cc9f7acf2c5cd696c3494d7c344d78bfec3add0d91ec4e8d1c45"),
contractAccountAtBlock3,
})
bankAccountAtBlock3, _ = rlp.EncodeToBytes(state.Account{
Nonce: testhelpers.Nonce3,
Balance: big.NewInt(99989000),
CodeHash: testhelpers.NullCodeHash.Bytes(),
Root: testhelpers.EmptyContractRoot,
})
bankAccountAtBlock3LeafNode, _ = rlp.EncodeToBytes([]interface{}{
common.Hex2Bytes("30bf49f440a1cd0527e4d06e2765654c0f56452257516d793a9b8d604dcfdf2a"),
bankAccountAtBlock3,
})
block1BranchNode, _ = rlp.EncodeToBytes([]interface{}{
crypto.Keccak256(bankAccountAtBlock1LeafNode),
[]byte{},
[]byte{},
[]byte{},
[]byte{},
crypto.Keccak256(minerAccountAtBlock1LeafNode),
[]byte{},
[]byte{},
[]byte{},
[]byte{},
[]byte{},
[]byte{},
[]byte{},
[]byte{},
crypto.Keccak256(account1AtBlock1LeafNode),
[]byte{},
[]byte{},
})
block2BranchNode, _ = rlp.EncodeToBytes([]interface{}{
crypto.Keccak256(bankAccountAtBlock2LeafNode),
[]byte{},
[]byte{},
[]byte{},
[]byte{},
crypto.Keccak256(minerAccountAtBlock2LeafNode),
crypto.Keccak256(contractAccountAtBlock2LeafNode),
[]byte{},
[]byte{},
[]byte{},
[]byte{},
[]byte{},
crypto.Keccak256(account2AtBlock2LeafNode),
[]byte{},
crypto.Keccak256(account1AtBlock2LeafNode),
[]byte{},
[]byte{},
})
block3BranchNode, _ = rlp.EncodeToBytes([]interface{}{
crypto.Keccak256(bankAccountAtBlock3LeafNode),
[]byte{},
[]byte{},
[]byte{},
[]byte{},
crypto.Keccak256(minerAccountAtBlock2LeafNode),
crypto.Keccak256(contractAccountAtBlock3LeafNode),
[]byte{},
[]byte{},
[]byte{},
[]byte{},
[]byte{},
crypto.Keccak256(account2AtBlock3LeafNode),
[]byte{},
crypto.Keccak256(account1AtBlock2LeafNode),
[]byte{},
[]byte{},
})
block3StorageBranchNode, _ = rlp.EncodeToBytes([]interface{}{
[]byte{},
[]byte{},
crypto.Keccak256(updatedStorageLeafNode),
[]byte{},
crypto.Keccak256(newStorageLeafNode),
[]byte{},
[]byte{},
[]byte{},
[]byte{},
[]byte{},
[]byte{},
[]byte{},
[]byte{},
[]byte{},
[]byte{},
[]byte{},
[]byte{},
})
)
type arguments struct {
oldStateRoot common.Hash
newStateRoot common.Hash
blockNumber *big.Int
blockHash common.Hash
}
func TestBuilder(t *testing.T) {
blockHashes, blockMap, chain := testhelpers.MakeChain(3, testhelpers.Genesis)
contractLeafKey = testhelpers.AddressToLeafKey(testhelpers.ContractAddr)
defer chain.Stop()
block0 = blockMap[blockHashes[3]]
block1 = blockMap[blockHashes[2]]
block2 = blockMap[blockHashes[1]]
block3 = blockMap[blockHashes[0]]
config := statediff.Config{
IntermediateNodes: false,
}
builder = statediff.NewBuilder(chain, config)
var tests = []struct {
name string
startingArguments arguments
expected *statediff.StateDiff
}{
{
"testEmptyDiff",
arguments{
oldStateRoot: block0.Root(),
newStateRoot: block0.Root(),
blockNumber: block0.Number(),
blockHash: block0.Hash(),
},
&statediff.StateDiff{
BlockNumber: block0.Number(),
BlockHash: block0.Hash(),
CreatedNodes: emptyAccounts,
DeletedNodes: emptyAccounts,
UpdatedNodes: emptyAccounts,
},
},
{
"testBlock0",
//10000 transferred from testBankAddress to account1Addr
arguments{
oldStateRoot: testhelpers.NullHash,
newStateRoot: block0.Root(),
blockNumber: block0.Number(),
blockHash: block0.Hash(),
},
&statediff.StateDiff{
BlockNumber: block0.Number(),
BlockHash: block0.Hash(),
CreatedNodes: []statediff.StateNode{
{
Path: []byte{},
NodeType: statediff.Leaf,
LeafKey: testhelpers.BankLeafKey,
NodeValue: bankAccountAtBlock0LeafNode,
StorageDiffs: emptyStorage,
},
},
DeletedNodes: emptyAccounts,
UpdatedNodes: emptyAccounts,
},
},
{
"testBlock1",
//10000 transferred from testBankAddress to account1Addr
arguments{
oldStateRoot: block0.Root(),
newStateRoot: block1.Root(),
blockNumber: block1.Number(),
blockHash: block1.Hash(),
},
&statediff.StateDiff{
BlockNumber: block1.Number(),
BlockHash: block1.Hash(),
CreatedNodes: []statediff.StateNode{
{
Path: []byte{'\x00'},
NodeType: statediff.Leaf,
LeafKey: testhelpers.BankLeafKey,
NodeValue: bankAccountAtBlock1LeafNode,
StorageDiffs: emptyStorage,
},
{
Path: []byte{'\x05'},
NodeType: statediff.Leaf,
LeafKey: minerLeafKey,
NodeValue: minerAccountAtBlock1LeafNode,
StorageDiffs: emptyStorage,
},
{
Path: []byte{'\x0e'},
NodeType: statediff.Leaf,
LeafKey: testhelpers.Account1LeafKey,
NodeValue: account1AtBlock1LeafNode,
StorageDiffs: emptyStorage,
},
},
DeletedNodes: []statediff.StateNode{ // This leaf appears to be deleted since it is turned into a branch node and the account is moved to \x00
{ // It would instead show up in the UpdateAccounts as new branch node IF intermediate node diffing was turned on (as it is in the test below)
Path: []byte{},
NodeType: statediff.Removed,
LeafKey: testhelpers.BankLeafKey,
NodeValue: []byte{},
StorageDiffs: emptyStorage,
},
},
UpdatedNodes: emptyAccounts,
},
},
{
"testBlock2",
// 1000 transferred from testBankAddress to account1Addr
// 1000 transferred from account1Addr to account2Addr
// account1addr creates a new contract
arguments{
oldStateRoot: block1.Root(),
newStateRoot: block2.Root(),
blockNumber: block2.Number(),
blockHash: block2.Hash(),
},
&statediff.StateDiff{
BlockNumber: block2.Number(),
BlockHash: block2.Hash(),
CreatedNodes: []statediff.StateNode{
{
Path: []byte{'\x06'},
NodeType: statediff.Leaf,
LeafKey: contractLeafKey,
NodeValue: contractAccountAtBlock2LeafNode,
StorageDiffs: []statediff.StorageNode{
{
Path: []byte{},
NodeType: statediff.Leaf,
LeafKey: originalStorageKey,
NodeValue: originalStorageLeafNode,
},
},
},
{
Path: []byte{'\x0c'},
NodeType: statediff.Leaf,
LeafKey: testhelpers.Account2LeafKey,
NodeValue: account2AtBlock2LeafNode,
StorageDiffs: emptyStorage,
},
},
DeletedNodes: emptyAccounts,
UpdatedNodes: []statediff.StateNode{
{
Path: []byte{'\x00'},
NodeType: statediff.Leaf,
LeafKey: testhelpers.BankLeafKey,
NodeValue: bankAccountAtBlock2LeafNode,
StorageDiffs: emptyStorage,
},
{
Path: []byte{'\x05'},
NodeType: statediff.Leaf,
LeafKey: minerLeafKey,
NodeValue: minerAccountAtBlock2LeafNode,
StorageDiffs: emptyStorage,
},
{
Path: []byte{'\x0e'},
NodeType: statediff.Leaf,
LeafKey: testhelpers.Account1LeafKey,
NodeValue: account1AtBlock2LeafNode,
StorageDiffs: emptyStorage,
},
},
},
},
{
"testBlock3",
//the contract's storage is changed
//and the block is mined by account 2
arguments{
oldStateRoot: block2.Root(),
newStateRoot: block3.Root(),
blockNumber: block3.Number(),
blockHash: block3.Hash(),
},
&statediff.StateDiff{
BlockNumber: block3.Number(),
BlockHash: block3.Hash(),
CreatedNodes: []statediff.StateNode{},
DeletedNodes: emptyAccounts,
UpdatedNodes: []statediff.StateNode{
{
Path: []byte{'\x00'},
NodeType: statediff.Leaf,
LeafKey: testhelpers.BankLeafKey,
NodeValue: bankAccountAtBlock3LeafNode,
StorageDiffs: emptyStorage,
},
{
Path: []byte{'\x06'},
NodeType: statediff.Leaf,
LeafKey: contractLeafKey,
NodeValue: contractAccountAtBlock3LeafNode,
StorageDiffs: []statediff.StorageNode{
{
Path: []byte{'\x02'},
NodeType: statediff.Leaf,
LeafKey: originalStorageKey,
NodeValue: updatedStorageLeafNode,
},
{
Path: []byte{'\x04'},
NodeType: statediff.Leaf,
LeafKey: newStorageKey,
NodeValue: newStorageLeafNode,
},
},
},
{
Path: []byte{'\x0c'},
NodeType: statediff.Leaf,
LeafKey: testhelpers.Account2LeafKey,
NodeValue: account2AtBlock3LeafNode,
StorageDiffs: emptyStorage,
},
},
},
},
}
for _, test := range tests {
arguments := test.startingArguments
diff, err := builder.BuildStateDiff(arguments.oldStateRoot, arguments.newStateRoot, arguments.blockNumber, arguments.blockHash)
if err != nil {
t.Error(err)
}
receivedStateDiffRlp, err := rlp.EncodeToBytes(diff)
if err != nil {
t.Error(err)
}
expectedStateDiffRlp, err := rlp.EncodeToBytes(test.expected)
if err != nil {
t.Error(err)
}
sort.Slice(receivedStateDiffRlp, func(i, j int) bool { return receivedStateDiffRlp[i] < receivedStateDiffRlp[j] })
sort.Slice(expectedStateDiffRlp, func(i, j int) bool { return expectedStateDiffRlp[i] < expectedStateDiffRlp[j] })
if !bytes.Equal(receivedStateDiffRlp, expectedStateDiffRlp) {
t.Logf("Test failed: %s", test.name)
t.Errorf("actual state diff: %+v\nexpected state diff: %+v", diff, test.expected)
}
}
}
func TestBuilderWithIntermediateNodes(t *testing.T) {
blockHashes, blockMap, chain := testhelpers.MakeChain(3, testhelpers.Genesis)
contractLeafKey = testhelpers.AddressToLeafKey(testhelpers.ContractAddr)
defer chain.Stop()
block0 = blockMap[blockHashes[3]]
block1 = blockMap[blockHashes[2]]
block2 = blockMap[blockHashes[1]]
block3 = blockMap[blockHashes[0]]
config := statediff.Config{
IntermediateNodes: true,
}
builder = statediff.NewBuilder(chain, config)
var tests = []struct {
name string
startingArguments arguments
expected *statediff.StateDiff
}{
{
"testEmptyDiff",
arguments{
oldStateRoot: block0.Root(),
newStateRoot: block0.Root(),
blockNumber: block0.Number(),
blockHash: block0.Hash(),
},
&statediff.StateDiff{
BlockNumber: block0.Number(),
BlockHash: block0.Hash(),
CreatedNodes: emptyAccounts,
DeletedNodes: emptyAccounts,
UpdatedNodes: emptyAccounts,
},
},
{
"testBlock0",
//10000 transferred from testBankAddress to account1Addr
arguments{
oldStateRoot: testhelpers.NullHash,
newStateRoot: block0.Root(),
blockNumber: block0.Number(),
blockHash: block0.Hash(),
},
&statediff.StateDiff{
BlockNumber: block0.Number(),
BlockHash: block0.Hash(),
CreatedNodes: []statediff.StateNode{
{
Path: []byte{},
NodeType: statediff.Leaf,
LeafKey: testhelpers.BankLeafKey,
NodeValue: bankAccountAtBlock0LeafNode,
StorageDiffs: emptyStorage,
},
},
DeletedNodes: emptyAccounts,
UpdatedNodes: emptyAccounts,
},
},
{
"testBlock1",
//10000 transferred from testBankAddress to account1Addr
arguments{
oldStateRoot: block0.Root(),
newStateRoot: block1.Root(),
blockNumber: block1.Number(),
blockHash: block1.Hash(),
},
&statediff.StateDiff{
BlockNumber: block1.Number(),
BlockHash: block1.Hash(),
CreatedNodes: []statediff.StateNode{
{
Path: []byte{'\x00'},
NodeType: statediff.Leaf,
LeafKey: testhelpers.BankLeafKey,
NodeValue: bankAccountAtBlock1LeafNode,
StorageDiffs: emptyStorage,
},
{
Path: []byte{'\x05'},
NodeType: statediff.Leaf,
LeafKey: minerLeafKey,
NodeValue: minerAccountAtBlock1LeafNode,
StorageDiffs: emptyStorage,
},
{
Path: []byte{'\x0e'},
NodeType: statediff.Leaf,
LeafKey: testhelpers.Account1LeafKey,
NodeValue: account1AtBlock1LeafNode,
StorageDiffs: emptyStorage,
},
},
DeletedNodes: emptyAccounts,
UpdatedNodes: []statediff.StateNode{
{
Path: []byte{},
NodeType: statediff.Branch,
NodeValue: block1BranchNode,
StorageDiffs: emptyStorage,
},
},
},
},
{
"testBlock2",
// 1000 transferred from testBankAddress to account1Addr
// 1000 transferred from account1Addr to account2Addr
// account1addr creates a new contract
arguments{
oldStateRoot: block1.Root(),
newStateRoot: block2.Root(),
blockNumber: block2.Number(),
blockHash: block2.Hash(),
},
&statediff.StateDiff{
BlockNumber: block2.Number(),
BlockHash: block2.Hash(),
CreatedNodes: []statediff.StateNode{
{
Path: []byte{'\x06'},
NodeType: statediff.Leaf,
LeafKey: contractLeafKey,
NodeValue: contractAccountAtBlock2LeafNode,
StorageDiffs: []statediff.StorageNode{
{
Path: []byte{},
NodeType: statediff.Leaf,
LeafKey: originalStorageKey,
NodeValue: originalStorageLeafNode,
},
},
},
{
Path: []byte{'\x0c'},
NodeType: statediff.Leaf,
LeafKey: testhelpers.Account2LeafKey,
NodeValue: account2AtBlock2LeafNode,
StorageDiffs: emptyStorage,
},
},
DeletedNodes: emptyAccounts,
UpdatedNodes: []statediff.StateNode{
{
Path: []byte{},
NodeType: statediff.Branch,
NodeValue: block2BranchNode,
StorageDiffs: emptyStorage,
},
{
Path: []byte{'\x00'},
NodeType: statediff.Leaf,
LeafKey: testhelpers.BankLeafKey,
NodeValue: bankAccountAtBlock2LeafNode,
StorageDiffs: emptyStorage,
},
{
Path: []byte{'\x05'},
NodeType: statediff.Leaf,
LeafKey: minerLeafKey,
NodeValue: minerAccountAtBlock2LeafNode,
StorageDiffs: emptyStorage,
},
{
Path: []byte{'\x0e'},
NodeType: statediff.Leaf,
LeafKey: testhelpers.Account1LeafKey,
NodeValue: account1AtBlock2LeafNode,
StorageDiffs: emptyStorage,
},
},
},
},
{
"testBlock3",
//the contract's storage is changed
//and the block is mined by account 2
arguments{
oldStateRoot: block2.Root(),
newStateRoot: block3.Root(),
blockNumber: block3.Number(),
blockHash: block3.Hash(),
},
&statediff.StateDiff{
BlockNumber: block3.Number(),
BlockHash: block3.Hash(),
CreatedNodes: []statediff.StateNode{},
DeletedNodes: emptyAccounts,
UpdatedNodes: []statediff.StateNode{
{
Path: []byte{},
NodeType: statediff.Branch,
NodeValue: block3BranchNode,
StorageDiffs: emptyStorage,
},
{
Path: []byte{'\x00'},
NodeType: statediff.Leaf,
LeafKey: testhelpers.BankLeafKey,
NodeValue: bankAccountAtBlock3LeafNode,
StorageDiffs: emptyStorage,
},
{
Path: []byte{'\x06'},
NodeType: statediff.Leaf,
LeafKey: contractLeafKey,
NodeValue: contractAccountAtBlock3LeafNode,
StorageDiffs: []statediff.StorageNode{
{
Path: []byte{},
NodeType: statediff.Branch,
NodeValue: block3StorageBranchNode,
},
{
Path: []byte{'\x02'},
NodeType: statediff.Leaf,
LeafKey: originalStorageKey,
NodeValue: updatedStorageLeafNode,
},
{
Path: []byte{'\x04'},
NodeType: statediff.Leaf,
LeafKey: newStorageKey,
NodeValue: newStorageLeafNode,
},
},
},
{
Path: []byte{'\x0c'},
NodeType: statediff.Leaf,
LeafKey: testhelpers.Account2LeafKey,
NodeValue: account2AtBlock3LeafNode,
StorageDiffs: emptyStorage,
},
},
},
},
}
for _, test := range tests {
arguments := test.startingArguments
diff, err := builder.BuildStateDiff(arguments.oldStateRoot, arguments.newStateRoot, arguments.blockNumber, arguments.blockHash)
if err != nil {
t.Error(err)
}
receivedStateDiffRlp, err := rlp.EncodeToBytes(diff)
if err != nil {
t.Error(err)
}
expectedStateDiffRlp, err := rlp.EncodeToBytes(test.expected)
if err != nil {
t.Error(err)
}
sort.Slice(receivedStateDiffRlp, func(i, j int) bool { return receivedStateDiffRlp[i] < receivedStateDiffRlp[j] })
sort.Slice(expectedStateDiffRlp, func(i, j int) bool { return expectedStateDiffRlp[i] < expectedStateDiffRlp[j] })
if !bytes.Equal(receivedStateDiffRlp, expectedStateDiffRlp) {
t.Logf("Test failed: %s", test.name)
t.Errorf("actual state diff: %+v\r\n\r\n\r\nexpected state diff: %+v", diff, test.expected)
}
}
}
func TestBuilderWithWatchedAddressList(t *testing.T) {
blockHashes, blockMap, chain := testhelpers.MakeChain(3, testhelpers.Genesis)
contractLeafKey = testhelpers.AddressToLeafKey(testhelpers.ContractAddr)
defer chain.Stop()
block0 = blockMap[blockHashes[3]]
block1 = blockMap[blockHashes[2]]
block2 = blockMap[blockHashes[1]]
block3 = blockMap[blockHashes[0]]
config := statediff.Config{
IntermediateNodes: false,
WatchedAddresses: []string{testhelpers.Account1Addr.Hex(), testhelpers.ContractAddr.Hex()},
}
builder = statediff.NewBuilder(chain, config)
var tests = []struct {
name string
startingArguments arguments
expected *statediff.StateDiff
}{
{
"testEmptyDiff",
arguments{
oldStateRoot: block0.Root(),
newStateRoot: block0.Root(),
blockNumber: block0.Number(),
blockHash: block0.Hash(),
},
&statediff.StateDiff{
BlockNumber: block0.Number(),
BlockHash: block0.Hash(),
CreatedNodes: emptyAccounts,
DeletedNodes: emptyAccounts,
UpdatedNodes: emptyAccounts,
},
},
{
"testBlock0",
//10000 transferred from testBankAddress to account1Addr
arguments{
oldStateRoot: testhelpers.NullHash,
newStateRoot: block0.Root(),
blockNumber: block0.Number(),
blockHash: block0.Hash(),
},
&statediff.StateDiff{
BlockNumber: block0.Number(),
BlockHash: block0.Hash(),
CreatedNodes: emptyAccounts,
DeletedNodes: emptyAccounts,
UpdatedNodes: emptyAccounts,
},
},
{
"testBlock1",
//10000 transferred from testBankAddress to account1Addr
arguments{
oldStateRoot: block0.Root(),
newStateRoot: block1.Root(),
blockNumber: block1.Number(),
blockHash: block1.Hash(),
},
&statediff.StateDiff{
BlockNumber: block1.Number(),
BlockHash: block1.Hash(),
CreatedNodes: []statediff.StateNode{
{
Path: []byte{'\x0e'},
NodeType: statediff.Leaf,
LeafKey: testhelpers.Account1LeafKey,
NodeValue: account1AtBlock1LeafNode,
StorageDiffs: emptyStorage,
},
},
DeletedNodes: emptyAccounts,
UpdatedNodes: []statediff.StateNode{},
},
},
{
"testBlock2",
//1000 transferred from testBankAddress to account1Addr
//1000 transferred from account1Addr to account2Addr
arguments{
oldStateRoot: block1.Root(),
newStateRoot: block2.Root(),
blockNumber: block2.Number(),
blockHash: block2.Hash(),
},
&statediff.StateDiff{
BlockNumber: block2.Number(),
BlockHash: block2.Hash(),
CreatedNodes: []statediff.StateNode{
{
Path: []byte{'\x06'},
NodeType: statediff.Leaf,
LeafKey: contractLeafKey,
NodeValue: contractAccountAtBlock2LeafNode,
StorageDiffs: []statediff.StorageNode{
{
Path: []byte{},
NodeType: statediff.Leaf,
LeafKey: originalStorageKey,
NodeValue: originalStorageLeafNode,
},
},
},
},
DeletedNodes: emptyAccounts,
UpdatedNodes: []statediff.StateNode{
{
Path: []byte{'\x0e'},
NodeType: statediff.Leaf,
LeafKey: testhelpers.Account1LeafKey,
NodeValue: account1AtBlock2LeafNode,
StorageDiffs: emptyStorage,
},
},
},
},
{
"testBlock3",
//the contract's storage is changed
//and the block is mined by account 2
arguments{
oldStateRoot: block2.Root(),
newStateRoot: block3.Root(),
blockNumber: block3.Number(),
blockHash: block3.Hash(),
},
&statediff.StateDiff{
BlockNumber: block3.Number(),
BlockHash: block3.Hash(),
CreatedNodes: []statediff.StateNode{},
DeletedNodes: emptyAccounts,
UpdatedNodes: []statediff.StateNode{
{
Path: []byte{'\x06'},
NodeType: statediff.Leaf,
LeafKey: contractLeafKey,
NodeValue: contractAccountAtBlock3LeafNode,
StorageDiffs: []statediff.StorageNode{
{
Path: []byte{'\x02'},
NodeType: statediff.Leaf,
LeafKey: originalStorageKey,
NodeValue: updatedStorageLeafNode,
},
{
Path: []byte{'\x04'},
NodeType: statediff.Leaf,
LeafKey: newStorageKey,
NodeValue: newStorageLeafNode,
},
},
},
},
},
},
}
for _, test := range tests {
arguments := test.startingArguments
diff, err := builder.BuildStateDiff(arguments.oldStateRoot, arguments.newStateRoot, arguments.blockNumber, arguments.blockHash)
if err != nil {
t.Error(err)
}
receivedStateDiffRlp, err := rlp.EncodeToBytes(diff)
if err != nil {
t.Error(err)
}
expectedStateDiffRlp, err := rlp.EncodeToBytes(test.expected)
if err != nil {
t.Error(err)
}
sort.Slice(receivedStateDiffRlp, func(i, j int) bool { return receivedStateDiffRlp[i] < receivedStateDiffRlp[j] })
sort.Slice(expectedStateDiffRlp, func(i, j int) bool { return expectedStateDiffRlp[i] < expectedStateDiffRlp[j] })
if !bytes.Equal(receivedStateDiffRlp, expectedStateDiffRlp) {
t.Logf("Test failed: %s", test.name)
t.Errorf("actual state diff: %+v\nexpected state diff: %+v", diff, test.expected)
}
}
}
/*
contract test {
uint256[100] data;
constructor() public {
data = [1];
}
function Put(uint256 addr, uint256 value) {
data[addr] = value;
}
function Get(uint256 addr) constant returns (uint256 value) {
return data[addr];
}
}
*/