aboutsummaryrefslogtreecommitdiffstats
path: root/tests/state_test_util.go
blob: e9abad7882602acaf4b3592b96026069e1cd9d79 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
package tests

import (
    "bytes"
    "fmt"
    "io"
    "math/big"
    "strconv"

    "github.com/ethereum/go-ethereum/common"
    "github.com/ethereum/go-ethereum/core"
    "github.com/ethereum/go-ethereum/core/state"
    "github.com/ethereum/go-ethereum/core/vm"
    "github.com/ethereum/go-ethereum/crypto"
    "github.com/ethereum/go-ethereum/ethdb"
    "github.com/ethereum/go-ethereum/logger/glog"
)

func RunStateTestWithReader(r io.Reader, skipTests []string) error {
    tests := make(map[string]VmTest)
    if err := readJson(r, &tests); err != nil {
        return err
    }

    if err := runStateTests(tests, skipTests); err != nil {
        return err
    }

    return nil
}

func RunStateTest(p string, skipTests []string) error {
    tests := make(map[string]VmTest)
    if err := readJsonFile(p, &tests); err != nil {
        return err
    }

    if err := runStateTests(tests, skipTests); err != nil {
        return err
    }

    return nil

}

func runStateTests(tests map[string]VmTest, skipTests []string) error {
    skipTest := make(map[string]bool, len(skipTests))
    for _, name := range skipTests {
        skipTest[name] = true
    }

    for name, test := range tests {
        if skipTest[name] {
            glog.Infoln("Skipping state test", name)
            return nil
        }

        if err := runStateTest(test); err != nil {
            return fmt.Errorf("%s: %s\n", name, err.Error())
        }

        glog.Infoln("State test passed: ", name)
        //fmt.Println(string(statedb.Dump()))
    }
    return nil

}

func runStateTest(test VmTest) error {
    db, _ := ethdb.NewMemDatabase()
    statedb := state.New(common.Hash{}, db)
    for addr, account := range test.Pre {
        obj := StateObjectFromAccount(db, addr, account)
        statedb.SetStateObject(obj)
        for a, v := range account.Storage {
            obj.SetState(common.HexToHash(a), common.HexToHash(v))
        }
    }

    // XXX Yeah, yeah...
    env := make(map[string]string)
    env["currentCoinbase"] = test.Env.CurrentCoinbase
    env["currentDifficulty"] = test.Env.CurrentDifficulty
    env["currentGasLimit"] = test.Env.CurrentGasLimit
    env["currentNumber"] = test.Env.CurrentNumber
    env["previousHash"] = test.Env.PreviousHash
    if n, ok := test.Env.CurrentTimestamp.(float64); ok {
        env["currentTimestamp"] = strconv.Itoa(int(n))
    } else {
        env["currentTimestamp"] = test.Env.CurrentTimestamp.(string)
    }

    var (
        ret []byte
        // gas  *big.Int
        // err  error
        logs state.Logs
    )

    ret, logs, _, _ = RunState(statedb, env, test.Transaction)

    // // Compare expected  and actual return
    rexp := common.FromHex(test.Out)
    if bytes.Compare(rexp, ret) != 0 {
        return fmt.Errorf("return failed. Expected %x, got %x\n", rexp, ret)
    }

    // check post state
    for addr, account := range test.Post {
        obj := statedb.GetStateObject(common.HexToAddress(addr))
        if obj == nil {
            continue
        }

        if obj.Balance().Cmp(common.Big(account.Balance)) != 0 {
            return fmt.Errorf("(%x) balance failed. Expected %v, got %v => %v\n", obj.Address().Bytes()[:4], account.Balance, obj.Balance(), new(big.Int).Sub(common.Big(account.Balance), obj.Balance()))
        }

        if obj.Nonce() != common.String2Big(account.Nonce).Uint64() {
            return fmt.Errorf("(%x) nonce failed. Expected %v, got %v\n", obj.Address().Bytes()[:4], account.Nonce, obj.Nonce())
        }

        for addr, value := range account.Storage {
            v := obj.GetState(common.HexToHash(addr))
            vexp := common.HexToHash(value)

            if v != vexp {
                return fmt.Errorf("(%x: %s) storage failed. Expected %x, got %x (%v %v)\n", obj.Address().Bytes()[0:4], addr, vexp, v, vexp.Big(), v.Big())
            }
        }
    }

    statedb.Sync()
    if common.HexToHash(test.PostStateRoot) != statedb.Root() {
        return fmt.Errorf("Post state root error. Expected %s, got %x", test.PostStateRoot, statedb.Root())
    }

    // check logs
    if len(test.Logs) > 0 {
        if err := checkLogs(test.Logs, logs); err != nil {
            return err
        }
    }

    return nil
}

func RunState(statedb *state.StateDB, env, tx map[string]string) ([]byte, state.Logs, *big.Int, error) {
    var (
        keyPair, _ = crypto.NewKeyPairFromSec([]byte(common.Hex2Bytes(tx["secretKey"])))
        data       = common.FromHex(tx["data"])
        gas        = common.Big(tx["gasLimit"])
        price      = common.Big(tx["gasPrice"])
        value      = common.Big(tx["value"])
        nonce      = common.Big(tx["nonce"]).Uint64()
        caddr      = common.HexToAddress(env["currentCoinbase"])
    )

    var to *common.Address
    if len(tx["to"]) > 2 {
        t := common.HexToAddress(tx["to"])
        to = &t
    }
    // Set pre compiled contracts
    vm.Precompiled = vm.PrecompiledContracts()

    snapshot := statedb.Copy()
    coinbase := statedb.GetOrNewStateObject(caddr)
    coinbase.SetGasPool(common.Big(env["currentGasLimit"]))

    message := NewMessage(common.BytesToAddress(keyPair.Address()), to, data, value, gas, price, nonce)
    vmenv := NewEnvFromMap(statedb, env, tx)
    vmenv.origin = common.BytesToAddress(keyPair.Address())
    ret, _, err := core.ApplyMessage(vmenv, message, coinbase)
    if core.IsNonceErr(err) || core.IsInvalidTxErr(err) || state.IsGasLimitErr(err) {
        statedb.Set(snapshot)
    }
    statedb.Update()

    return ret, vmenv.state.Logs(), vmenv.Gas, err
}