本文整理汇总了Golang中github.com/ethereum/go-ethereum/common.BigD函数的典型用法代码示例。如果您正苦于以下问题:Golang BigD函数的具体用法?Golang BigD怎么用?Golang BigD使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了BigD函数的11个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Golang代码示例。
示例1: FromNumber
func (self *XEth) FromNumber(str string) string {
if common.IsHex(str) {
str = str[2:]
}
return common.BigD(common.FromHex(str)).String()
}
开发者ID:GrimDerp,项目名称:go-ethereum,代码行数:7,代码来源:xeth.go
示例2: verify
func verify(hash common.Hash, diff *big.Int, nonce uint64) bool {
sha := sha3.NewKeccak256()
n := make([]byte, 8)
binary.PutUvarint(n, nonce)
sha.Write(n)
sha.Write(hash[:])
verification := new(big.Int).Div(common.BigPow(2, 256), diff)
res := common.BigD(sha.Sum(nil))
return res.Cmp(verification) <= 0
}
开发者ID:ruflin,项目名称:go-ethereum,代码行数:10,代码来源:pow.go
示例3: ToECDSA
// New methods using proper ecdsa keys from the stdlib
func ToECDSA(prv []byte) *ecdsa.PrivateKey {
if len(prv) == 0 {
return nil
}
priv := new(ecdsa.PrivateKey)
priv.PublicKey.Curve = S256()
priv.D = common.BigD(prv)
priv.PublicKey.X, priv.PublicKey.Y = S256().ScalarBaseMult(prv)
return priv
}
开发者ID:ruflin,项目名称:go-ethereum,代码行数:12,代码来源:crypto.go
示例4: Seal
// Seal closes the envelope by spending the requested amount of time as a proof
// of work on hashing the data.
func (self *Envelope) Seal(pow time.Duration) {
d := make([]byte, 64)
copy(d[:32], self.rlpWithoutNonce())
finish, bestBit := time.Now().Add(pow).UnixNano(), 0
for nonce := uint32(0); time.Now().UnixNano() < finish; {
for i := 0; i < 1024; i++ {
binary.BigEndian.PutUint32(d[60:], nonce)
firstBit := common.FirstBitSet(common.BigD(crypto.Sha3(d)))
if firstBit > bestBit {
self.Nonce, bestBit = nonce, firstBit
}
nonce++
}
}
}
开发者ID:j4ustin,项目名称:go-ethereum,代码行数:19,代码来源:envelope.go
示例5: setLastState
func (bc *ChainManager) setLastState() {
data, _ := bc.blockDb.Get([]byte("LastBlock"))
if len(data) != 0 {
block := bc.GetBlock(common.BytesToHash(data))
bc.currentBlock = block
bc.lastBlockHash = block.Hash()
// Set the last know difficulty (might be 0x0 as initial value, Genesis)
bc.td = common.BigD(bc.blockDb.LastKnownTD())
} else {
bc.Reset()
}
bc.currentGasLimit = CalcGasLimit(bc.currentBlock)
if glog.V(logger.Info) {
glog.Infof("Last block (#%v) %x TD=%v\n", bc.currentBlock.Number(), bc.currentBlock.Hash(), bc.td)
}
}
开发者ID:hiroshi1tanaka,项目名称:gethkey,代码行数:18,代码来源:chain_manager.go
示例6: opMload
func opMload(instr instruction, env Environment, context *Context, memory *Memory, stack *stack) {
offset := stack.pop()
val := common.BigD(memory.Get(offset.Int64(), 32))
stack.push(val)
}
开发者ID:nellyk,项目名称:go-ethereum,代码行数:5,代码来源:instructions.go
示例7: RunVmTest
func RunVmTest(p string, t *testing.T) {
tests := make(map[string]VmTest)
helper.CreateFileTests(t, p, &tests)
for name, test := range tests {
/*
vm.Debug = true
glog.SetV(4)
glog.SetToStderr(true)
if name != "stackLimitPush32_1024" {
continue
}
*/
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.NewValue(helper.FromHex(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
)
isVmTest := len(test.Exec) > 0
if isVmTest {
ret, logs, gas, err = helper.RunVm(statedb, env, test.Exec)
} else {
ret, logs, gas, err = helper.RunState(statedb, env, test.Transaction)
}
rexp := helper.FromHex(test.Out)
if bytes.Compare(rexp, ret) != 0 {
t.Errorf("%s's return failed. Expected %x, got %x\n", name, rexp, ret)
}
if isVmTest {
if len(test.Gas) == 0 && err == nil {
t.Errorf("%s's gas unspecified, indicating an error. VM returned (incorrectly) successfull", name)
} else {
gexp := common.Big(test.Gas)
if gexp.Cmp(gas) != 0 {
t.Errorf("%s's gas failed. Expected %v, got %v\n", name, gexp, gas)
}
}
}
for addr, account := range test.Post {
obj := statedb.GetStateObject(common.HexToAddress(addr))
if obj == nil {
continue
}
if len(test.Exec) == 0 {
if obj.Balance().Cmp(common.Big(account.Balance)) != 0 {
t.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() {
t.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 := helper.FromHex(value)
if bytes.Compare(v, vexp) != 0 {
t.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))
}
}
}
if !isVmTest {
statedb.Sync()
//if !bytes.Equal(common.Hex2Bytes(test.PostStateRoot), statedb.Root()) {
if common.HexToHash(test.PostStateRoot) != statedb.Root() {
t.Errorf("%s's : Post state root error. Expected %s, got %x", name, test.PostStateRoot, statedb.Root())
}
//.........这里部分代码省略.........
开发者ID:CedarLogic,项目名称:go-ethereum,代码行数:101,代码来源:gh_test.go
示例8: Run
//.........这里部分代码省略.........
stack.push(base)
case ADDMOD:
x := stack.pop()
y := stack.pop()
z := stack.pop()
if z.Cmp(Zero) > 0 {
add := new(big.Int).Add(x, y)
base.Mod(add, z)
base = U256(base)
}
stack.push(base)
case MULMOD:
x := stack.pop()
y := stack.pop()
z := stack.pop()
if z.Cmp(Zero) > 0 {
mul := new(big.Int).Mul(x, y)
base.Mod(mul, z)
U256(base)
}
stack.push(base)
case SHA3:
offset, size := stack.pop(), stack.pop()
data := crypto.Sha3(mem.Get(offset.Int64(), size.Int64()))
stack.push(common.BigD(data))
case ADDRESS:
stack.push(common.Bytes2Big(context.Address().Bytes()))
case BALANCE:
addr := common.BigToAddress(stack.pop())
balance := statedb.GetBalance(addr)
stack.push(new(big.Int).Set(balance))
case ORIGIN:
origin := self.env.Origin()
stack.push(origin.Big())
case CALLER:
caller := context.caller.Address()
stack.push(common.Bytes2Big(caller.Bytes()))
case CALLVALUE:
stack.push(new(big.Int).Set(value))
case CALLDATALOAD:
data := getData(input, stack.pop(), common.Big32)
stack.push(common.Bytes2Big(data))
case CALLDATASIZE:
l := int64(len(input))
stack.push(big.NewInt(l))
case CALLDATACOPY:
var (
开发者ID:nellyk,项目名称:go-ethereum,代码行数:67,代码来源:vm.go
示例9: storage
func (self *Object) storage(addr []byte) *common.Value {
return self.StateObject.GetStorage(common.BigD(addr))
}
开发者ID:CedarLogic,项目名称:go-ethereum,代码行数:3,代码来源:types.go
示例10: Run
//.........这里部分代码省略.........
z := stack.pop()
if z.Cmp(Zero) > 0 {
add := new(big.Int).Add(x, y)
base.Mod(add, z)
base = U256(base)
}
self.Printf(" %v + %v %% %v = %v", x, y, z, base)
stack.push(base)
case MULMOD:
x := stack.pop()
y := stack.pop()
z := stack.pop()
if z.Cmp(Zero) > 0 {
mul := new(big.Int).Mul(x, y)
base.Mod(mul, z)
U256(base)
}
self.Printf(" %v + %v %% %v = %v", x, y, z, base)
stack.push(base)
// 0x20 range
case SHA3:
offset, size := stack.pop(), stack.pop()
data := crypto.Sha3(mem.Get(offset.Int64(), size.Int64()))
stack.push(common.BigD(data))
self.Printf(" => (%v) %x", size, data)
// 0x30 range
case ADDRESS:
stack.push(common.Bytes2Big(context.Address().Bytes()))
self.Printf(" => %x", context.Address())
case BALANCE:
addr := common.BigToAddress(stack.pop())
balance := statedb.GetBalance(addr)
stack.push(balance)
self.Printf(" => %v (%x)", balance, addr)
case ORIGIN:
origin := self.env.Origin()
stack.push(origin.Big())
self.Printf(" => %x", origin)
case CALLER:
caller := context.caller.Address()
stack.push(common.Bytes2Big(caller.Bytes()))
self.Printf(" => %x", caller)
case CALLVALUE:
stack.push(value)
self.Printf(" => %v", value)
case CALLDATALOAD:
data := getData(callData, stack.pop(), common.Big32)
开发者ID:CedarLogic,项目名称:go-ethereum,代码行数:66,代码来源:vm.go
示例11: RunVmTest
func RunVmTest(r io.Reader) (failed int) {
tests := make(map[string]VmTest)
data, _ := ioutil.ReadAll(r)
err := json.Unmarshal(data, &tests)
if err != nil {
log.Fatalln(err)
}
vm.Debug = true
glog.SetV(4)
glog.SetToStderr(true)
for name, test := range tests {
db, _ := ethdb.NewMemDatabase()
statedb := state.New(common.Hash{}, db)
for addr, account := range test.Pre {
obj := StateObjectFromAccount(db, addr, account)
statedb.SetStateObject(obj)
}
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)
}
ret, logs, _, _ := helper.RunState(statedb, env, test.Transaction)
statedb.Sync()
rexp := helper.FromHex(test.Out)
if bytes.Compare(rexp, ret) != 0 {
glog.V(logger.Info).Infof("%s's return failed. Expected %x, got %x\n", name, rexp, ret)
failed = 1
}
for addr, account := range test.Post {
obj := statedb.GetStateObject(common.HexToAddress(addr))
if obj == nil {
continue
}
if len(test.Exec) == 0 {
if obj.Balance().Cmp(common.Big(account.Balance)) != 0 {
glog.V(logger.Info).Infof("%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()))
failed = 1
}
}
for addr, value := range account.Storage {
v := obj.GetState(common.HexToHash(addr)).Bytes()
vexp := helper.FromHex(value)
if bytes.Compare(v, vexp) != 0 {
glog.V(logger.Info).Infof("%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))
failed = 1
}
}
}
statedb.Sync()
//if !bytes.Equal(common.Hex2Bytes(test.PostStateRoot), statedb.Root()) {
if common.HexToHash(test.PostStateRoot) != statedb.Root() {
glog.V(logger.Info).Infof("%s's : Post state root failed. Expected %s, got %x", name, test.PostStateRoot, statedb.Root())
failed = 1
}
if len(test.Logs) > 0 {
if len(test.Logs) != len(logs) {
glog.V(logger.Info).Infof("log length failed. Expected %d, got %d", len(test.Logs), len(logs))
failed = 1
} else {
for i, log := range test.Logs {
if common.HexToAddress(log.AddressF) != logs[i].Address {
glog.V(logger.Info).Infof("'%s' log address failed. Expected %v got %x", name, log.AddressF, logs[i].Address)
failed = 1
}
if !bytes.Equal(logs[i].Data, helper.FromHex(log.DataF)) {
glog.V(logger.Info).Infof("'%s' log data failed. Expected %v got %x", name, log.DataF, logs[i].Data)
failed = 1
}
if len(log.TopicsF) != len(logs[i].Topics) {
glog.V(logger.Info).Infof("'%s' log topics length failed. Expected %d got %d", name, len(log.TopicsF), logs[i].Topics)
failed = 1
} else {
for j, topic := range log.TopicsF {
if common.HexToHash(topic) != logs[i].Topics[j] {
glog.V(logger.Info).Infof("'%s' log topic[%d] failed. Expected %v got %x", name, j, topic, logs[i].Topics[j])
failed = 1
}
}
}
genBloom := common.LeftPadBytes(types.LogsBloom(state.Logs{logs[i]}).Bytes(), 256)
//.........这里部分代码省略.........
开发者ID:CedarLogic,项目名称:go-ethereum,代码行数:101,代码来源:main.go
注:本文中的github.com/ethereum/go-ethereum/common.BigD函数示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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