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package tests
import (
"bytes"
"fmt"
"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"
)
func RunStateTest(p string) error {
skipTest := make(map[string]bool, len(stateSkipTests))
for _, name := range stateSkipTests {
skipTest[name] = true
}
tests := make(map[string]VmTest)
CreateFileTests(p, &tests)
for name, test := range tests {
if skipTest[name] {
fmt.Println("Skipping state test", name)
return nil
}
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(s))
}
}
// 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
// switch name {
// // the memory required for these tests (4294967297 bytes) would take too much time.
// // on 19 May 2015 decided to skip these tests their output.
// case "mload32bitBound_return", "mload32bitBound_return2":
// default:
rexp := common.FromHex(test.Out)
if bytes.Compare(rexp, ret) != 0 {
return fmt.Errorf("%s's return failed. Expected %x, got %x\n", name, 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("%s's : (%x) balance failed. Expected %v, got %v => %v\n", name, 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("%s's : (%x) nonce failed. Expected %v, got %v\n", name, obj.Address().Bytes()[:4], account.Nonce, obj.Nonce())
}
for addr, value := range account.Storage {
v := obj.GetState(common.HexToHash(addr)).Bytes()
vexp := common.FromHex(value)
if bytes.Compare(v, vexp) != 0 {
return fmt.Errorf("%s's : (%x: %s) storage failed. Expected %x, got %x (%v %v)\n", name, obj.Address().Bytes()[0:4], addr, vexp, v, common.BigD(vexp), common.BigD(v))
}
}
}
statedb.Sync()
//if !bytes.Equal(common.Hex2Bytes(test.PostStateRoot), statedb.Root()) {
if common.HexToHash(test.PostStateRoot) != statedb.Root() {
return fmt.Errorf("%s's : Post state root error. Expected %s, got %x", name, test.PostStateRoot, statedb.Root())
}
// check logs
if len(test.Logs) > 0 {
lerr := checkLogs(test.Logs, logs)
if lerr != nil {
return fmt.Errorf("'%s' ", name, lerr.Error())
}
}
fmt.Println("State test passed: ", name)
//fmt.Println(string(statedb.Dump()))
}
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) {
statedb.Set(snapshot)
}
statedb.Update()
return ret, vmenv.state.Logs(), vmenv.Gas, err
}
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