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-rw-r--r--core/headerchain.go2
-rw-r--r--core/state/state_object.go6
-rw-r--r--core/tx_pool.go2
-rw-r--r--core/types/transaction.go2
-rw-r--r--core/types/transaction_signing.go2
-rw-r--r--core/types/transaction_signing_test.go2
-rw-r--r--core/vm/common.go2
-rw-r--r--core/vm/evm.go2
-rw-r--r--core/vm/gas_table.go6
-rw-r--r--core/vm/instructions.go23
-rw-r--r--core/vm/logger.go3
11 files changed, 27 insertions, 25 deletions
diff --git a/core/headerchain.go b/core/headerchain.go
index a0550a428..046275933 100644
--- a/core/headerchain.go
+++ b/core/headerchain.go
@@ -359,7 +359,7 @@ func (hc *HeaderChain) GetBlockHashesFromHash(hash common.Hash, max uint64) []co
break
}
chain = append(chain, next)
- if header.Number.Cmp(common.Big0) == 0 {
+ if header.Number.Sign() == 0 {
break
}
}
diff --git a/core/state/state_object.go b/core/state/state_object.go
index ebb103806..17726dd0c 100644
--- a/core/state/state_object.go
+++ b/core/state/state_object.go
@@ -93,7 +93,7 @@ type stateObject struct {
// empty returns whether the account is considered empty.
func (s *stateObject) empty() bool {
- return s.data.Nonce == 0 && s.data.Balance.BitLen() == 0 && bytes.Equal(s.data.CodeHash, emptyCodeHash)
+ return s.data.Nonce == 0 && s.data.Balance.Sign() == 0 && bytes.Equal(s.data.CodeHash, emptyCodeHash)
}
// Account is the Ethereum consensus representation of accounts.
@@ -243,7 +243,7 @@ func (self *stateObject) CommitTrie(db trie.Database, dbw trie.DatabaseWriter) e
func (c *stateObject) AddBalance(amount *big.Int) {
// EIP158: We must check emptiness for the objects such that the account
// clearing (0,0,0 objects) can take effect.
- if amount.Cmp(common.Big0) == 0 {
+ if amount.Sign() == 0 {
if c.empty() {
c.touch()
}
@@ -260,7 +260,7 @@ func (c *stateObject) AddBalance(amount *big.Int) {
// SubBalance removes amount from c's balance.
// It is used to remove funds from the origin account of a transfer.
func (c *stateObject) SubBalance(amount *big.Int) {
- if amount.Cmp(common.Big0) == 0 {
+ if amount.Sign() == 0 {
return
}
c.SetBalance(new(big.Int).Sub(c.Balance(), amount))
diff --git a/core/tx_pool.go b/core/tx_pool.go
index b0a8eea0f..e8d93d20e 100644
--- a/core/tx_pool.go
+++ b/core/tx_pool.go
@@ -299,7 +299,7 @@ func (pool *TxPool) validateTx(tx *types.Transaction) error {
// Transactions can't be negative. This may never happen
// using RLP decoded transactions but may occur if you create
// a transaction using the RPC for example.
- if tx.Value().Cmp(common.Big0) < 0 {
+ if tx.Value().Sign() < 0 {
return ErrNegativeValue
}
diff --git a/core/types/transaction.go b/core/types/transaction.go
index 9382acb70..ab0bba4dc 100644
--- a/core/types/transaction.go
+++ b/core/types/transaction.go
@@ -42,7 +42,7 @@ var (
// deriveSigner makes a *best* guess about which signer to use.
func deriveSigner(V *big.Int) Signer {
- if V.BitLen() > 0 && isProtectedV(V) {
+ if V.Sign() != 0 && isProtectedV(V) {
return EIP155Signer{chainId: deriveChainId(V)}
} else {
return HomesteadSigner{}
diff --git a/core/types/transaction_signing.go b/core/types/transaction_signing.go
index 7d7b63e9f..e7eb7c5f0 100644
--- a/core/types/transaction_signing.go
+++ b/core/types/transaction_signing.go
@@ -167,7 +167,7 @@ func (s EIP155Signer) WithSignature(tx *Transaction, sig []byte) (*Transaction,
cpy.data.R = new(big.Int).SetBytes(sig[:32])
cpy.data.S = new(big.Int).SetBytes(sig[32:64])
cpy.data.V = new(big.Int).SetBytes([]byte{sig[64]})
- if s.chainId.BitLen() > 0 {
+ if s.chainId.Sign() != 0 {
cpy.data.V = big.NewInt(int64(sig[64] + 35))
cpy.data.V.Add(cpy.data.V, s.chainIdMul)
}
diff --git a/core/types/transaction_signing_test.go b/core/types/transaction_signing_test.go
index 3216fcfad..7f799fb10 100644
--- a/core/types/transaction_signing_test.go
+++ b/core/types/transaction_signing_test.go
@@ -71,7 +71,7 @@ func TestEIP155ChainId(t *testing.T) {
t.Error("didn't expect tx to be protected")
}
- if tx.ChainId().BitLen() > 0 {
+ if tx.ChainId().Sign() != 0 {
t.Error("expected chain id to be 0 got", tx.ChainId())
}
}
diff --git a/core/vm/common.go b/core/vm/common.go
index ef40c4a95..779cee006 100644
--- a/core/vm/common.go
+++ b/core/vm/common.go
@@ -25,7 +25,7 @@ import (
// calculates the memory size required for a step
func calcMemSize(off, l *big.Int) *big.Int {
- if l.Cmp(common.Big0) == 0 {
+ if l.Sign() == 0 {
return common.Big0
}
diff --git a/core/vm/evm.go b/core/vm/evm.go
index d1fac6c10..71efcfa45 100644
--- a/core/vm/evm.go
+++ b/core/vm/evm.go
@@ -120,7 +120,7 @@ func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas
snapshot = evm.StateDB.Snapshot()
)
if !evm.StateDB.Exist(addr) {
- if PrecompiledContracts[addr] == nil && evm.ChainConfig().IsEIP158(evm.BlockNumber) && value.BitLen() == 0 {
+ if PrecompiledContracts[addr] == nil && evm.ChainConfig().IsEIP158(evm.BlockNumber) && value.Sign() == 0 {
return nil, gas, nil
}
diff --git a/core/vm/gas_table.go b/core/vm/gas_table.go
index fba1eb066..f1c62df8e 100644
--- a/core/vm/gas_table.go
+++ b/core/vm/gas_table.go
@@ -273,7 +273,7 @@ func gasExp(gt params.GasTable, evm *EVM, contract *Contract, stack *Stack, mem
func gasCall(gt params.GasTable, evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) {
var (
gas = gt.Calls
- transfersValue = stack.Back(2).BitLen() > 0
+ transfersValue = stack.Back(2).Sign() != 0
address = common.BigToAddress(stack.Back(1))
eip158 = evm.ChainConfig().IsEIP158(evm.BlockNumber)
)
@@ -316,7 +316,7 @@ func gasCall(gt params.GasTable, evm *EVM, contract *Contract, stack *Stack, mem
func gasCallCode(gt params.GasTable, evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) {
gas := gt.Calls
- if stack.Back(2).BitLen() > 0 {
+ if stack.Back(2).Sign() != 0 {
gas += params.CallValueTransferGas
}
memoryGas, err := memoryGasCost(mem, memorySize)
@@ -362,7 +362,7 @@ func gasSuicide(gt params.GasTable, evm *EVM, contract *Contract, stack *Stack,
if eip158 {
// if empty and transfers value
- if evm.StateDB.Empty(address) && evm.StateDB.GetBalance(contract.Address()).BitLen() > 0 {
+ if evm.StateDB.Empty(address) && evm.StateDB.GetBalance(contract.Address()).Sign() != 0 {
gas += gt.CreateBySuicide
}
} else if !evm.StateDB.Exist(address) {
diff --git a/core/vm/instructions.go b/core/vm/instructions.go
index 8b7bcc4d6..bfc0a668e 100644
--- a/core/vm/instructions.go
+++ b/core/vm/instructions.go
@@ -58,7 +58,7 @@ func opMul(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stac
func opDiv(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
x, y := stack.pop(), stack.pop()
- if y.Cmp(common.Big0) != 0 {
+ if y.Sign() != 0 {
stack.push(math.U256(x.Div(x, y)))
} else {
stack.push(new(big.Int))
@@ -71,12 +71,12 @@ func opDiv(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stac
func opSdiv(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
x, y := math.S256(stack.pop()), math.S256(stack.pop())
- if y.Cmp(common.Big0) == 0 {
+ if y.Sign() == 0 {
stack.push(new(big.Int))
return nil, nil
} else {
n := new(big.Int)
- if evm.interpreter.intPool.get().Mul(x, y).Cmp(common.Big0) < 0 {
+ if evm.interpreter.intPool.get().Mul(x, y).Sign() < 0 {
n.SetInt64(-1)
} else {
n.SetInt64(1)
@@ -93,7 +93,7 @@ func opSdiv(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Sta
func opMod(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
x, y := stack.pop(), stack.pop()
- if y.Cmp(common.Big0) == 0 {
+ if y.Sign() == 0 {
stack.push(new(big.Int))
} else {
stack.push(math.U256(x.Mod(x, y)))
@@ -105,11 +105,11 @@ func opMod(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stac
func opSmod(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
x, y := math.S256(stack.pop()), math.S256(stack.pop())
- if y.Cmp(common.Big0) == 0 {
+ if y.Sign() == 0 {
stack.push(new(big.Int))
} else {
n := new(big.Int)
- if x.Cmp(common.Big0) < 0 {
+ if x.Sign() < 0 {
n.SetInt64(-1)
} else {
n.SetInt64(1)
@@ -221,7 +221,7 @@ func opEq(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack
func opIszero(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
x := stack.pop()
- if x.Cmp(common.Big0) > 0 {
+ if x.Sign() > 0 {
stack.push(new(big.Int))
} else {
stack.push(evm.interpreter.intPool.get().SetUint64(1))
@@ -252,10 +252,11 @@ func opXor(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stac
evm.interpreter.intPool.put(y)
return nil, nil
}
+
func opByte(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
th, val := stack.pop(), stack.pop()
if th.Cmp(big.NewInt(32)) < 0 {
- byte := evm.interpreter.intPool.get().SetInt64(int64(common.LeftPadBytes(val.Bytes(), 32)[th.Int64()]))
+ byte := evm.interpreter.intPool.get().SetInt64(int64(math.PaddedBigBytes(val, 32)[th.Int64()]))
stack.push(byte)
} else {
stack.push(new(big.Int))
@@ -505,7 +506,7 @@ func opJump(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Sta
}
func opJumpi(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
pos, cond := stack.pop(), stack.pop()
- if cond.BitLen() > 0 {
+ if cond.Sign() != 0 {
if !contract.jumpdests.has(contract.CodeHash, contract.Code, pos) {
nop := contract.GetOp(pos.Uint64())
return nil, fmt.Errorf("invalid jump destination (%v) %v", nop, pos)
@@ -583,7 +584,7 @@ func opCall(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Sta
// Get the arguments from the memory
args := memory.Get(inOffset.Int64(), inSize.Int64())
- if value.BitLen() > 0 {
+ if value.Sign() != 0 {
gas += params.CallStipend
}
@@ -616,7 +617,7 @@ func opCallCode(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack
// Get the arguments from the memory
args := memory.Get(inOffset.Int64(), inSize.Int64())
- if value.BitLen() > 0 {
+ if value.Sign() != 0 {
gas += params.CallStipend
}
diff --git a/core/vm/logger.go b/core/vm/logger.go
index 3845b1073..102a215c7 100644
--- a/core/vm/logger.go
+++ b/core/vm/logger.go
@@ -23,6 +23,7 @@ import (
"unicode"
"github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/math"
)
type Storage map[common.Hash]common.Hash
@@ -180,7 +181,7 @@ func StdErrFormat(logs []StructLog) {
fmt.Fprintln(os.Stderr, "STACK =", len(log.Stack))
for i := len(log.Stack) - 1; i >= 0; i-- {
- fmt.Fprintf(os.Stderr, "%04d: %x\n", len(log.Stack)-i-1, common.LeftPadBytes(log.Stack[i].Bytes(), 32))
+ fmt.Fprintf(os.Stderr, "%04d: %x\n", len(log.Stack)-i-1, math.PaddedBigBytes(log.Stack[i], 32))
}
const maxMem = 10
generated by cgit (git 2.34.1) at 2024-11-14 09:26:44 +0800