func run(ctx *cli.Context) {
vm.Debug = ctx.GlobalBool(DebugFlag.Name)
vm.ForceJit = ctx.GlobalBool(ForceJitFlag.Name)
vm.EnableJit = !ctx.GlobalBool(DisableJitFlag.Name)
glog.SetToStderr(true)
glog.SetV(ctx.GlobalInt(VerbosityFlag.Name))
db, _ := ethdb.NewMemDatabase()
statedb, _ := state.New(common.Hash{}, db)
sender := statedb.CreateAccount(common.StringToAddress("sender"))
receiver := statedb.CreateAccount(common.StringToAddress("receiver"))
receiver.SetCode(common.Hex2Bytes(ctx.GlobalString(CodeFlag.Name)))
vmenv := NewEnv(statedb, common.StringToAddress("evmuser"), common.Big(ctx.GlobalString(ValueFlag.Name)))
tstart := time.Now()
ret, e := vmenv.Call(
sender,
receiver.Address(),
common.Hex2Bytes(ctx.GlobalString(InputFlag.Name)),
common.Big(ctx.GlobalString(GasFlag.Name)),
common.Big(ctx.GlobalString(PriceFlag.Name)),
common.Big(ctx.GlobalString(ValueFlag.Name)),
)
vmdone := time.Since(tstart)
if ctx.GlobalBool(DumpFlag.Name) {
fmt.Println(string(statedb.Dump()))
}
vm.StdErrFormat(vmenv.StructLogs())
if ctx.GlobalBool(SysStatFlag.Name) {
var mem runtime.MemStats
runtime.ReadMemStats(&mem)
fmt.Printf("vm took %v\n", vmdone)
fmt.Printf(`alloc: %d
tot alloc: %d
no. malloc: %d
heap alloc: %d
heap objs: %d
num gc: %d
`, mem.Alloc, mem.TotalAlloc, mem.Mallocs, mem.HeapAlloc, mem.HeapObjects, mem.NumGC)
}
fmt.Printf("OUT: 0x%x", ret)
if e != nil {
fmt.Printf(" error: %v", e)
}
fmt.Println()
}
// Execute executes the code using the input as call data during the execution.
// It returns the EVM's return value, the new state and an error if it failed.
//
// Executes sets up a in memory, temporarily, environment for the execution of
// the given code. It enabled the JIT by default and make sure that it's restored
// to it's original state afterwards.
func Execute(code, input []byte, cfg *Config) ([]byte, *state.StateDB, error) {
if cfg == nil {
cfg = new(Config)
}
setDefaults(cfg)
if cfg.State == nil {
db, _ := ethdb.NewMemDatabase()
cfg.State, _ = state.New(common.Hash{}, db)
}
var (
vmenv = NewEnv(cfg, cfg.State)
sender = cfg.State.CreateAccount(cfg.Origin)
receiver = cfg.State.CreateAccount(common.StringToAddress("contract"))
)
// set the receiver's (the executing contract) code for execution.
receiver.SetCode(crypto.Keccak256Hash(code), code)
// Call the code with the given configuration.
ret, err := vmenv.Call(
sender,
receiver.Address(),
input,
cfg.GasLimit,
cfg.GasPrice,
cfg.Value,
)
return ret, cfg.State, err
}
// Execute executes the code using the input as call data during the execution.
// It returns the EVM's return value, the new state and an error if it failed.
//
// Executes sets up a in memory, temporarily, environment for the execution of
// the given code. It enabled the JIT by default and make sure that it's restored
// to it's original state afterwards.
func Execute(code, input []byte, cfg *Config) ([]byte, *state.StateDB, error) {
if cfg == nil {
cfg = new(Config)
}
setDefaults(cfg)
// defer the call to setting back the original values
defer func(debug, forceJit, enableJit bool) {
vm.Debug = debug
vm.ForceJit = forceJit
vm.EnableJit = enableJit
}(vm.Debug, vm.ForceJit, vm.EnableJit)
vm.ForceJit = !cfg.DisableJit
vm.EnableJit = !cfg.DisableJit
vm.Debug = cfg.Debug
var (
db, _ = ethdb.NewMemDatabase()
statedb, _ = state.New(common.Hash{}, db)
vmenv = NewEnv(cfg, statedb)
sender = statedb.CreateAccount(cfg.Origin)
receiver = statedb.CreateAccount(common.StringToAddress("contract"))
)
// set the receiver's (the executing contract) code for execution.
receiver.SetCode(code)
// Call the code with the given configuration.
ret, err := vmenv.Call(
sender,
receiver.Address(),
input,
cfg.GasLimit,
cfg.GasPrice,
cfg.Value,
)
if cfg.Debug {
vm.StdErrFormat(vmenv.StructLogs())
}
return ret, statedb, err
}
func TestUnmarshalJSONNewFilterArgs(t *testing.T) {
var (
fromBlock rpc.BlockNumber = 0x123435
toBlock rpc.BlockNumber = 0xabcdef
address0 = common.StringToAddress("70c87d191324e6712a591f304b4eedef6ad9bb9d")
address1 = common.StringToAddress("9b2055d370f73ec7d8a03e965129118dc8f5bf83")
topic0 = common.HexToHash("3ac225168df54212a25c1c01fd35bebfea408fdac2e31ddd6f80a4bbf9a5f1ca")
topic1 = common.HexToHash("9084a792d2f8b16a62b882fd56f7860c07bf5fa91dd8a2ae7e809e5180fef0b3")
topic2 = common.HexToHash("6ccae1c4af4152f460ff510e573399795dfab5dcf1fa60d1f33ac8fdc1e480ce")
nullTopic = common.Hash{}
)
// default values
var test0 filters.NewFilterArgs
if err := json.Unmarshal([]byte("{}"), &test0); err != nil {
t.Fatal(err)
}
if test0.FromBlock != rpc.LatestBlockNumber {
t.Fatalf("expected %d, got %d", rpc.LatestBlockNumber, test0.FromBlock)
}
if test0.ToBlock != rpc.LatestBlockNumber {
t.Fatalf("expected %d, got %d", rpc.LatestBlockNumber, test0.ToBlock)
}
if len(test0.Addresses) != 0 {
t.Fatalf("expected 0 addresses, got %d", len(test0.Addresses))
}
if len(test0.Topics) != 0 {
t.Fatalf("expected 0 topics, got %d topics", len(test0.Topics))
}
// from, to block number
var test1 filters.NewFilterArgs
vector := fmt.Sprintf(`{"fromBlock":"0x%x","toBlock":"0x%x"}`, fromBlock, toBlock)
if err := json.Unmarshal([]byte(vector), &test1); err != nil {
t.Fatal(err)
}
if test1.FromBlock != fromBlock {
t.Fatalf("expected FromBlock %d, got %d", fromBlock, test1.FromBlock)
}
if test1.ToBlock != toBlock {
t.Fatalf("expected ToBlock %d, got %d", toBlock, test1.ToBlock)
}
// single address
var test2 filters.NewFilterArgs
vector = fmt.Sprintf(`{"address": "%s"}`, address0.Hex())
if err := json.Unmarshal([]byte(vector), &test2); err != nil {
t.Fatal(err)
}
if len(test2.Addresses) != 1 {
t.Fatalf("expected 1 address, got %d address(es)", len(test2.Addresses))
}
if test2.Addresses[0] != address0 {
t.Fatalf("expected address %x, got %x", address0, test2.Addresses[0])
}
// multiple address
var test3 filters.NewFilterArgs
vector = fmt.Sprintf(`{"address": ["%s", "%s"]}`, address0.Hex(), address1.Hex())
if err := json.Unmarshal([]byte(vector), &test3); err != nil {
t.Fatal(err)
}
if len(test3.Addresses) != 2 {
t.Fatalf("expected 2 addresses, got %d address(es)", len(test3.Addresses))
}
if test3.Addresses[0] != address0 {
t.Fatalf("expected address %x, got %x", address0, test3.Addresses[0])
}
if test3.Addresses[1] != address1 {
t.Fatalf("expected address %x, got %x", address1, test3.Addresses[1])
}
// single topic
var test4 filters.NewFilterArgs
vector = fmt.Sprintf(`{"topics": ["%s"]}`, topic0.Hex())
if err := json.Unmarshal([]byte(vector), &test4); err != nil {
t.Fatal(err)
}
if len(test4.Topics) != 1 {
t.Fatalf("expected 1 topic, got %d", len(test4.Topics))
}
if len(test4.Topics[0]) != 1 {
t.Fatalf("expected len(topics[0]) to be 1, got %d", len(test4.Topics[0]))
}
if test4.Topics[0][0] != topic0 {
t.Fatalf("got %x, expected %x", test4.Topics[0][0], topic0)
}
// test multiple "AND" topics
var test5 filters.NewFilterArgs
vector = fmt.Sprintf(`{"topics": ["%s", "%s"]}`, topic0.Hex(), topic1.Hex())
if err := json.Unmarshal([]byte(vector), &test5); err != nil {
t.Fatal(err)
}
if len(test5.Topics) != 2 {
t.Fatalf("expected 2 topics, got %d", len(test5.Topics))
}
if len(test5.Topics[0]) != 1 {
t.Fatalf("expected 1 topic, got %d", len(test5.Topics[0]))
}
if test5.Topics[0][0] != topic0 {
t.Fatalf("got %x, expected %x", test5.Topics[0][0], topic0)
}
if len(test5.Topics[1]) != 1 {
t.Fatalf("expected 1 topic, got %d", len(test5.Topics[1]))
}
if test5.Topics[1][0] != topic1 {
t.Fatalf("got %x, expected %x", test5.Topics[1][0], topic1)
}
// test optional topic
var test6 filters.NewFilterArgs
vector = fmt.Sprintf(`{"topics": ["%s", null, "%s"]}`, topic0.Hex(), topic2.Hex())
if err := json.Unmarshal([]byte(vector), &test6); err != nil {
t.Fatal(err)
}
if len(test6.Topics) != 3 {
t.Fatalf("expected 3 topics, got %d", len(test6.Topics))
}
if len(test6.Topics[0]) != 1 {
t.Fatalf("expected 1 topic, got %d", len(test6.Topics[0]))
}
if test6.Topics[0][0] != topic0 {
t.Fatalf("got %x, expected %x", test6.Topics[0][0], topic0)
}
if len(test6.Topics[1]) != 1 {
t.Fatalf("expected 1 topic, got %d", len(test6.Topics[1]))
}
if test6.Topics[1][0] != nullTopic {
t.Fatalf("got %x, expected empty hash", test6.Topics[1][0])
}
if len(test6.Topics[2]) != 1 {
t.Fatalf("expected 1 topic, got %d", len(test6.Topics[2]))
}
if test6.Topics[2][0] != topic2 {
t.Fatalf("got %x, expected %x", test6.Topics[2][0], topic2)
}
// test OR topics
var test7 filters.NewFilterArgs
vector = fmt.Sprintf(`{"topics": [["%s", "%s"], null, ["%s", null]]}`, topic0.Hex(), topic1.Hex(), topic2.Hex())
if err := json.Unmarshal([]byte(vector), &test7); err != nil {
t.Fatal(err)
}
if len(test7.Topics) != 3 {
t.Fatalf("expected 3 topics, got %d topics", len(test7.Topics))
}
if len(test7.Topics[0]) != 2 {
t.Fatalf("expected 2 topics, got %d topics", len(test7.Topics[0]))
}
if test7.Topics[0][0] != topic0 || test7.Topics[0][1] != topic1 {
t.Fatalf("invalid topics expected [%x,%x], got [%x,%x]",
topic0, topic1, test7.Topics[0][0], test7.Topics[0][1],
)
}
if len(test7.Topics[1]) != 1 {
t.Fatalf("expected 1 topic, got %d topics", len(test7.Topics[1]))
}
if test7.Topics[1][0] != nullTopic {
t.Fatalf("expected empty hash, got %x", test7.Topics[1][0])
}
if len(test7.Topics[2]) != 2 {
t.Fatalf("expected 2 topics, got %d topics", len(test7.Topics[2]))
}
if test7.Topics[2][0] != topic2 || test7.Topics[2][1] != nullTopic {
t.Fatalf("invalid topics expected [%x,%x], got [%x,%x]",
topic2, nullTopic, test7.Topics[2][0], test7.Topics[2][1],
)
}
}