Merge branch 'unflip' into develop
This commit is contained in:
commit
e007d1a58d
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@ -22,10 +22,18 @@ func (p Uint64Slice) Search(x uint64) int { return SearchUint64s(p, x) }
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|
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||||||
//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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|
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func PutUint64(dest []byte, i uint64) {
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func PutUint64LE(dest []byte, i uint64) {
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binary.LittleEndian.PutUint64(dest, i)
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binary.LittleEndian.PutUint64(dest, i)
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}
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}
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||||||
|
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||||||
func GetUint64(src []byte) uint64 {
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func GetUint64LE(src []byte) uint64 {
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return binary.LittleEndian.Uint64(src)
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return binary.LittleEndian.Uint64(src)
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}
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}
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|
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func PutUint64BE(dest []byte, i uint64) {
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binary.BigEndian.PutUint64(dest, i)
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}
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||||||
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func GetUint64BE(src []byte) uint64 {
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return binary.BigEndian.Uint64(src)
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}
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@ -2,7 +2,6 @@ package common
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|
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import (
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import (
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"bytes"
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"bytes"
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"encoding/binary"
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"sort"
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"sort"
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)
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)
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@ -30,9 +29,9 @@ func (w Word256) Compare(other Word256) int {
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}
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}
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func Uint64ToWord256(i uint64) Word256 {
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func Uint64ToWord256(i uint64) Word256 {
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word := Word256{}
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buf := [8]byte{}
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PutUint64(word[:], i)
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PutUint64BE(buf[:], i)
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return word
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return LeftPadWord256(buf[:])
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}
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}
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func RightPadWord256(bz []byte) (word Word256) {
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func RightPadWord256(bz []byte) (word Word256) {
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@ -46,7 +45,8 @@ func LeftPadWord256(bz []byte) (word Word256) {
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}
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}
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|
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func Uint64FromWord256(word Word256) uint64 {
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func Uint64FromWord256(word Word256) uint64 {
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return binary.LittleEndian.Uint64(word[:])
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buf := word.Postfix(8)
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return GetUint64BE(buf)
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}
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}
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//-------------------------------------
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//-------------------------------------
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|
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@ -235,9 +235,9 @@ func (ndb *nodeDB) SaveNode(t *IAVLTree, node *IAVLNode) {
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if node.persisted {
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if node.persisted {
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panic("Shouldn't be calling save on an already persisted node.")
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panic("Shouldn't be calling save on an already persisted node.")
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}
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}
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if _, ok := ndb.cache[string(node.hash)]; ok {
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/*if _, ok := ndb.cache[string(node.hash)]; ok {
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panic("Shouldn't be calling save on an already cached node.")
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panic("Shouldn't be calling save on an already cached node.")
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}
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}*/
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// Save node bytes to db
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// Save node bytes to db
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buf := bytes.NewBuffer(nil)
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buf := bytes.NewBuffer(nil)
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_, _, err := node.writeToCountHashes(t, buf)
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_, _, err := node.writeToCountHashes(t, buf)
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|
|
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@ -36,7 +36,7 @@ func GetStorage(address, key []byte) (*ctypes.ResponseGetStorage, error) {
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storageRoot := account.StorageRoot
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storageRoot := account.StorageRoot
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storageTree := state.LoadStorage(storageRoot)
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storageTree := state.LoadStorage(storageRoot)
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|
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_, value := storageTree.Get(RightPadWord256(key).Bytes())
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_, value := storageTree.Get(LeftPadWord256(key).Bytes())
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if value == nil {
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if value == nil {
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return &ctypes.ResponseGetStorage{key, nil}, nil
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return &ctypes.ResponseGetStorage{key, nil}, nil
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}
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}
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||||||
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|
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@ -12,11 +12,11 @@ import (
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func toVMAccount(acc *account.Account) *vm.Account {
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func toVMAccount(acc *account.Account) *vm.Account {
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return &vm.Account{
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return &vm.Account{
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Address: RightPadWord256(acc.Address),
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Address: LeftPadWord256(acc.Address),
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||||||
Balance: acc.Balance,
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Balance: acc.Balance,
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||||||
Code: acc.Code, // This is crazy.
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Code: acc.Code, // This is crazy.
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Nonce: uint64(acc.Sequence),
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Nonce: uint64(acc.Sequence),
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StorageRoot: RightPadWord256(acc.StorageRoot),
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StorageRoot: LeftPadWord256(acc.StorageRoot),
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Other: acc.PubKey,
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Other: acc.PubKey,
|
||||||
}
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}
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}
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}
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@ -26,9 +26,8 @@ func toVMAccount(acc *account.Account) *vm.Account {
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// Run a contract's code on an isolated and unpersisted state
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// Run a contract's code on an isolated and unpersisted state
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// Cannot be used to create new contracts
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// Cannot be used to create new contracts
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func Call(address, data []byte) (*ctypes.ResponseCall, error) {
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func Call(address, data []byte) (*ctypes.ResponseCall, error) {
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st := consensusState.GetState() // performs a copy
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st := consensusState.GetState() // performs a copy
|
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cache := mempoolReactor.Mempool.GetCache()
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cache := state.NewBlockCache(st)
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outAcc := cache.GetAccount(address)
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outAcc := cache.GetAccount(address)
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if outAcc == nil {
|
if outAcc == nil {
|
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return nil, fmt.Errorf("Account %x does not exist", address)
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return nil, fmt.Errorf("Account %x does not exist", address)
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@ -38,7 +37,7 @@ func Call(address, data []byte) (*ctypes.ResponseCall, error) {
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txCache := state.NewTxCache(cache)
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txCache := state.NewTxCache(cache)
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params := vm.Params{
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params := vm.Params{
|
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BlockHeight: uint64(st.LastBlockHeight),
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BlockHeight: uint64(st.LastBlockHeight),
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BlockHash: RightPadWord256(st.LastBlockHash),
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BlockHash: LeftPadWord256(st.LastBlockHash),
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BlockTime: st.LastBlockTime.Unix(),
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BlockTime: st.LastBlockTime.Unix(),
|
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GasLimit: 10000000,
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GasLimit: 10000000,
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}
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}
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@ -63,7 +62,7 @@ func CallCode(code, data []byte) (*ctypes.ResponseCall, error) {
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txCache := state.NewTxCache(cache)
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txCache := state.NewTxCache(cache)
|
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params := vm.Params{
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params := vm.Params{
|
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BlockHeight: uint64(st.LastBlockHeight),
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BlockHeight: uint64(st.LastBlockHeight),
|
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BlockHash: RightPadWord256(st.LastBlockHash),
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BlockHash: LeftPadWord256(st.LastBlockHash),
|
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BlockTime: st.LastBlockTime.Unix(),
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BlockTime: st.LastBlockTime.Unix(),
|
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GasLimit: 10000000,
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GasLimit: 10000000,
|
||||||
}
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}
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||||||
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|
|
@ -225,6 +225,7 @@ type WSConnection struct {
|
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id string
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id string
|
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wsConn *websocket.Conn
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wsConn *websocket.Conn
|
||||||
writeChan chan WSResponse
|
writeChan chan WSResponse
|
||||||
|
quitChan chan struct{}
|
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failedSends uint
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failedSends uint
|
||||||
started uint32
|
started uint32
|
||||||
stopped uint32
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stopped uint32
|
||||||
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@ -238,6 +239,7 @@ func NewWSConnection(wsConn *websocket.Conn) *WSConnection {
|
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id: wsConn.RemoteAddr().String(),
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id: wsConn.RemoteAddr().String(),
|
||||||
wsConn: wsConn,
|
wsConn: wsConn,
|
||||||
writeChan: make(chan WSResponse, WriteChanBufferSize), // buffered. we keep track when its full
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writeChan: make(chan WSResponse, WriteChanBufferSize), // buffered. we keep track when its full
|
||||||
|
quitChan: make(chan struct{}),
|
||||||
}
|
}
|
||||||
}
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}
|
||||||
|
|
||||||
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@ -256,8 +258,10 @@ func (con *WSConnection) Start(evsw *events.EventSwitch) {
|
||||||
// close the connection
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// close the connection
|
||||||
func (con *WSConnection) Stop() {
|
func (con *WSConnection) Stop() {
|
||||||
if atomic.CompareAndSwapUint32(&con.stopped, 0, 1) {
|
if atomic.CompareAndSwapUint32(&con.stopped, 0, 1) {
|
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con.wsConn.Close()
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close(con.quitChan)
|
||||||
close(con.writeChan)
|
// the write loop closes the websocket connection
|
||||||
|
// when it exits its loop, and the read loop
|
||||||
|
// closes the writeChan
|
||||||
}
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}
|
||||||
}
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}
|
||||||
|
|
||||||
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@ -277,6 +281,7 @@ func (con *WSConnection) safeWrite(resp WSResponse) {
|
||||||
|
|
||||||
// read from the socket and subscribe to or unsubscribe from events
|
// read from the socket and subscribe to or unsubscribe from events
|
||||||
func (con *WSConnection) read() {
|
func (con *WSConnection) read() {
|
||||||
|
defer close(con.writeChan)
|
||||||
reaper := time.Tick(time.Second * WSConnectionReaperSeconds)
|
reaper := time.Tick(time.Second * WSConnectionReaperSeconds)
|
||||||
for {
|
for {
|
||||||
select {
|
select {
|
||||||
|
@ -322,32 +327,30 @@ func (con *WSConnection) read() {
|
||||||
default:
|
default:
|
||||||
con.safeWrite(WSResponse{Error: "Unknown request type: " + req.Type})
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con.safeWrite(WSResponse{Error: "Unknown request type: " + req.Type})
|
||||||
}
|
}
|
||||||
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// receives on a write channel and writes out on the socket
|
// receives on a write channel and writes out on the socket
|
||||||
func (con *WSConnection) write() {
|
func (con *WSConnection) write() {
|
||||||
|
defer con.wsConn.Close()
|
||||||
n, err := new(int64), new(error)
|
n, err := new(int64), new(error)
|
||||||
for {
|
for {
|
||||||
msg, more := <-con.writeChan
|
select {
|
||||||
if !more {
|
case msg := <-con.writeChan:
|
||||||
// the channel was closed, so ensure
|
buf := new(bytes.Buffer)
|
||||||
// connection is stopped and return
|
binary.WriteJSON(msg, buf, n, err)
|
||||||
con.Stop()
|
if *err != nil {
|
||||||
return
|
log.Error("Failed to marshal WSResponse to JSON", "error", err)
|
||||||
}
|
} else {
|
||||||
buf := new(bytes.Buffer)
|
if err := con.wsConn.WriteMessage(websocket.TextMessage, buf.Bytes()); err != nil {
|
||||||
binary.WriteJSON(msg, buf, n, err)
|
log.Error("Failed to write response on websocket", "error", err)
|
||||||
if *err != nil {
|
con.Stop()
|
||||||
log.Error("Failed to write JSON WSResponse", "error", err)
|
return
|
||||||
} else {
|
}
|
||||||
if err := con.wsConn.WriteMessage(websocket.TextMessage, buf.Bytes()); err != nil {
|
|
||||||
log.Error("Failed to write response on websocket", "error", err)
|
|
||||||
con.Stop()
|
|
||||||
return
|
|
||||||
}
|
}
|
||||||
|
case <-con.quitChan:
|
||||||
|
return
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
|
@ -288,7 +288,7 @@ func simpleContract() ([]byte, []byte, []byte) {
|
||||||
// the is the code we need to return the contractCode when the contract is initialized
|
// the is the code we need to return the contractCode when the contract is initialized
|
||||||
lenCode := len(contractCode)
|
lenCode := len(contractCode)
|
||||||
// push code to the stack
|
// push code to the stack
|
||||||
//code := append([]byte{byte(0x60 + lenCode - 1)}, LeftPadWord256(contractCode).Bytes()...)
|
//code := append([]byte{byte(0x60 + lenCode - 1)}, RightPadWord256(contractCode).Bytes()...)
|
||||||
code := append([]byte{0x7f}, RightPadWord256(contractCode).Bytes()...)
|
code := append([]byte{0x7f}, RightPadWord256(contractCode).Bytes()...)
|
||||||
// store it in memory
|
// store it in memory
|
||||||
code = append(code, []byte{0x60, 0x0, 0x52}...)
|
code = append(code, []byte{0x60, 0x0, 0x52}...)
|
||||||
|
|
|
@ -119,8 +119,8 @@ func testGetStorage(t *testing.T, typ string) {
|
||||||
mempoolCount = 0
|
mempoolCount = 0
|
||||||
|
|
||||||
v := getStorage(t, typ, contractAddr, []byte{0x1})
|
v := getStorage(t, typ, contractAddr, []byte{0x1})
|
||||||
got := RightPadWord256(v)
|
got := LeftPadWord256(v)
|
||||||
expected := RightPadWord256([]byte{0x5})
|
expected := LeftPadWord256([]byte{0x5})
|
||||||
if got.Compare(expected) != 0 {
|
if got.Compare(expected) != 0 {
|
||||||
t.Fatalf("Wrong storage value. Got %x, expected %x", got.Bytes(), expected.Bytes())
|
t.Fatalf("Wrong storage value. Got %x, expected %x", got.Bytes(), expected.Bytes())
|
||||||
}
|
}
|
||||||
|
|
|
@ -106,7 +106,7 @@ func (cache *BlockCache) GetStorage(addr Word256, key Word256) (value Word256) {
|
||||||
_, val_ := storage.Get(key.Bytes())
|
_, val_ := storage.Get(key.Bytes())
|
||||||
value = Zero256
|
value = Zero256
|
||||||
if val_ != nil {
|
if val_ != nil {
|
||||||
value = RightPadWord256(val_.([]byte))
|
value = LeftPadWord256(val_.([]byte))
|
||||||
}
|
}
|
||||||
cache.storages[Tuple256{addr, key}] = storageInfo{value, false}
|
cache.storages[Tuple256{addr, key}] = storageInfo{value, false}
|
||||||
return value
|
return value
|
||||||
|
|
|
@ -395,7 +395,7 @@ func ExecTx(blockCache *BlockCache, tx_ types.Tx, runCall bool, evc events.Firea
|
||||||
txCache = NewTxCache(blockCache)
|
txCache = NewTxCache(blockCache)
|
||||||
params = vm.Params{
|
params = vm.Params{
|
||||||
BlockHeight: uint64(_s.LastBlockHeight),
|
BlockHeight: uint64(_s.LastBlockHeight),
|
||||||
BlockHash: RightPadWord256(_s.LastBlockHash),
|
BlockHash: LeftPadWord256(_s.LastBlockHash),
|
||||||
BlockTime: _s.LastBlockTime.Unix(),
|
BlockTime: _s.LastBlockTime.Unix(),
|
||||||
GasLimit: 10000000,
|
GasLimit: 10000000,
|
||||||
}
|
}
|
||||||
|
|
|
@ -147,7 +147,7 @@ func (cache *TxCache) AddLog(log *vm.Log) {
|
||||||
func NewContractAddress(caller []byte, nonce uint64) []byte {
|
func NewContractAddress(caller []byte, nonce uint64) []byte {
|
||||||
temp := make([]byte, 32+8)
|
temp := make([]byte, 32+8)
|
||||||
copy(temp, caller)
|
copy(temp, caller)
|
||||||
PutUint64(temp[32:], nonce)
|
PutUint64LE(temp[32:], nonce)
|
||||||
return sha3.Sha3(temp)[:20]
|
return sha3.Sha3(temp)[:20]
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -158,7 +158,7 @@ func toVMAccount(acc *ac.Account) *vm.Account {
|
||||||
Balance: acc.Balance,
|
Balance: acc.Balance,
|
||||||
Code: acc.Code, // This is crazy.
|
Code: acc.Code, // This is crazy.
|
||||||
Nonce: uint64(acc.Sequence),
|
Nonce: uint64(acc.Sequence),
|
||||||
StorageRoot: RightPadWord256(acc.StorageRoot),
|
StorageRoot: LeftPadWord256(acc.StorageRoot),
|
||||||
Other: acc.PubKey,
|
Other: acc.PubKey,
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
|
@ -0,0 +1,26 @@
|
||||||
|
package vm
|
||||||
|
|
||||||
|
import (
|
||||||
|
"math/big"
|
||||||
|
)
|
||||||
|
|
||||||
|
// To256
|
||||||
|
//
|
||||||
|
// "cast" the big int to a 256 big int (i.e., limit to)
|
||||||
|
var tt256 = new(big.Int).Lsh(big.NewInt(1), 256)
|
||||||
|
var tt256m1 = new(big.Int).Sub(new(big.Int).Lsh(big.NewInt(1), 256), big.NewInt(1))
|
||||||
|
var tt255 = new(big.Int).Lsh(big.NewInt(1), 255)
|
||||||
|
|
||||||
|
func U256(x *big.Int) *big.Int {
|
||||||
|
x.And(x, tt256m1)
|
||||||
|
return x
|
||||||
|
}
|
||||||
|
|
||||||
|
func S256(x *big.Int) *big.Int {
|
||||||
|
if x.Cmp(tt255) < 0 {
|
||||||
|
return x
|
||||||
|
} else {
|
||||||
|
// We don't want to modify x, ever
|
||||||
|
return new(big.Int).Sub(x, tt256)
|
||||||
|
}
|
||||||
|
}
|
|
@ -39,7 +39,7 @@ func ecrecoverFunc(input []byte, gas *uint64) (output []byte, err error) {
|
||||||
return nil, err
|
return nil, err
|
||||||
}
|
}
|
||||||
hashed := sha3.Sha3(recovered[1:])
|
hashed := sha3.Sha3(recovered[1:])
|
||||||
return RightPadBytes(hashed, 32), nil
|
return LeftPadBytes(hashed, 32), nil
|
||||||
}
|
}
|
||||||
|
|
||||||
func sha256Func(input []byte, gas *uint64) (output []byte, err error) {
|
func sha256Func(input []byte, gas *uint64) (output []byte, err error) {
|
||||||
|
@ -73,7 +73,7 @@ func ripemd160Func(input []byte, gas *uint64) (output []byte, err error) {
|
||||||
if err != nil {
|
if err != nil {
|
||||||
panic(err)
|
panic(err)
|
||||||
}
|
}
|
||||||
return RightPadBytes(hasher.Sum(nil), 32), nil
|
return LeftPadBytes(hasher.Sum(nil), 32), nil
|
||||||
}
|
}
|
||||||
|
|
||||||
func identityFunc(input []byte, gas *uint64) (output []byte, err error) {
|
func identityFunc(input []byte, gas *uint64) (output []byte, err error) {
|
||||||
|
|
13
vm/stack.go
13
vm/stack.go
|
@ -51,7 +51,7 @@ func (st *Stack) PushBytes(bz []byte) {
|
||||||
if len(bz) != 32 {
|
if len(bz) != 32 {
|
||||||
panic("Invalid bytes size: expected 32")
|
panic("Invalid bytes size: expected 32")
|
||||||
}
|
}
|
||||||
st.Push(RightPadWord256(bz))
|
st.Push(LeftPadWord256(bz))
|
||||||
}
|
}
|
||||||
|
|
||||||
func (st *Stack) Push64(i uint64) {
|
func (st *Stack) Push64(i uint64) {
|
||||||
|
@ -73,7 +73,8 @@ func (st *Stack) PopBytes() []byte {
|
||||||
}
|
}
|
||||||
|
|
||||||
func (st *Stack) Pop64() uint64 {
|
func (st *Stack) Pop64() uint64 {
|
||||||
return GetUint64(st.Pop().Bytes())
|
d := st.Pop()
|
||||||
|
return Uint64FromWord256(d)
|
||||||
}
|
}
|
||||||
|
|
||||||
func (st *Stack) Len() int {
|
func (st *Stack) Len() int {
|
||||||
|
@ -105,11 +106,13 @@ func (st *Stack) Peek() Word256 {
|
||||||
return st.data[st.ptr-1]
|
return st.data[st.ptr-1]
|
||||||
}
|
}
|
||||||
|
|
||||||
func (st *Stack) Print() {
|
func (st *Stack) Print(n int) {
|
||||||
fmt.Println("### stack ###")
|
fmt.Println("### stack ###")
|
||||||
if st.ptr > 0 {
|
if st.ptr > 0 {
|
||||||
for i, val := range st.data {
|
nn := MinInt(n, st.ptr)
|
||||||
fmt.Printf("%-3d %v\n", i, val)
|
for j, i := 0, st.ptr-1; i > st.ptr-1-nn; i-- {
|
||||||
|
fmt.Printf("%-3d %X\n", j, st.data[i])
|
||||||
|
j += 1
|
||||||
}
|
}
|
||||||
} else {
|
} else {
|
||||||
fmt.Println("-- empty --")
|
fmt.Println("-- empty --")
|
||||||
|
|
|
@ -89,6 +89,6 @@ func createAddress(creator *Account) Word256 {
|
||||||
creator.Nonce += 1
|
creator.Nonce += 1
|
||||||
temp := make([]byte, 32+8)
|
temp := make([]byte, 32+8)
|
||||||
copy(temp, creator.Address[:])
|
copy(temp, creator.Address[:])
|
||||||
PutUint64(temp[32:], nonce)
|
PutUint64LE(temp[32:], nonce)
|
||||||
return RightPadWord256(sha3.Sha3(temp)[:20])
|
return LeftPadWord256(sha3.Sha3(temp)[:20])
|
||||||
}
|
}
|
||||||
|
|
|
@ -64,10 +64,10 @@ func TestSubcurrency(t *testing.T) {
|
||||||
st := newAppState()
|
st := newAppState()
|
||||||
// Create accounts
|
// Create accounts
|
||||||
account1 := &Account{
|
account1 := &Account{
|
||||||
Address: RightPadWord256(makeBytes(20)),
|
Address: LeftPadWord256(makeBytes(20)),
|
||||||
}
|
}
|
||||||
account2 := &Account{
|
account2 := &Account{
|
||||||
Address: RightPadWord256(makeBytes(20)),
|
Address: LeftPadWord256(makeBytes(20)),
|
||||||
}
|
}
|
||||||
st.accounts[account1.Address.String()] = account1
|
st.accounts[account1.Address.String()] = account1
|
||||||
st.accounts[account2.Address.String()] = account2
|
st.accounts[account2.Address.String()] = account2
|
||||||
|
|
350
vm/vm.go
350
vm/vm.go
|
@ -1,6 +1,7 @@
|
||||||
package vm
|
package vm
|
||||||
|
|
||||||
import (
|
import (
|
||||||
|
"bytes"
|
||||||
"errors"
|
"errors"
|
||||||
"fmt"
|
"fmt"
|
||||||
"math/big"
|
"math/big"
|
||||||
|
@ -131,196 +132,253 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
|
||||||
return nil, nil
|
return nil, nil
|
||||||
|
|
||||||
case ADD: // 0x01
|
case ADD: // 0x01
|
||||||
//x, y := stack.Pop64(), stack.Pop64()
|
|
||||||
//stack.Push64(x + y)
|
|
||||||
x, y := stack.Pop(), stack.Pop()
|
x, y := stack.Pop(), stack.Pop()
|
||||||
xb := new(big.Int).SetBytes(flip(x[:]))
|
xb := new(big.Int).SetBytes(x[:])
|
||||||
yb := new(big.Int).SetBytes(flip(y[:]))
|
yb := new(big.Int).SetBytes(y[:])
|
||||||
sum := new(big.Int).Add(xb, yb)
|
sum := new(big.Int).Add(xb, yb)
|
||||||
stack.Push(RightPadWord256(flip(sum.Bytes())))
|
res := LeftPadWord256(U256(sum).Bytes())
|
||||||
dbg.Printf(" %v + %v = %v\n", xb, yb, sum)
|
stack.Push(res)
|
||||||
|
dbg.Printf(" %v + %v = %v (%X)\n", xb, yb, sum, res)
|
||||||
|
|
||||||
case MUL: // 0x02
|
case MUL: // 0x02
|
||||||
//x, y := stack.Pop64(), stack.Pop64()
|
|
||||||
//stack.Push64(x * y)
|
|
||||||
x, y := stack.Pop(), stack.Pop()
|
x, y := stack.Pop(), stack.Pop()
|
||||||
xb := new(big.Int).SetBytes(flip(x[:]))
|
xb := new(big.Int).SetBytes(x[:])
|
||||||
yb := new(big.Int).SetBytes(flip(y[:]))
|
yb := new(big.Int).SetBytes(y[:])
|
||||||
prod := new(big.Int).Mul(xb, yb)
|
prod := new(big.Int).Mul(xb, yb)
|
||||||
stack.Push(RightPadWord256(flip(prod.Bytes())))
|
res := LeftPadWord256(U256(prod).Bytes())
|
||||||
dbg.Printf(" %v * %v = %v\n", xb, yb, prod)
|
stack.Push(res)
|
||||||
|
dbg.Printf(" %v * %v = %v (%X)\n", xb, yb, prod, res)
|
||||||
|
|
||||||
case SUB: // 0x03
|
case SUB: // 0x03
|
||||||
//x, y := stack.Pop64(), stack.Pop64()
|
|
||||||
//stack.Push64(x - y)
|
|
||||||
x, y := stack.Pop(), stack.Pop()
|
x, y := stack.Pop(), stack.Pop()
|
||||||
xb := new(big.Int).SetBytes(flip(x[:]))
|
xb := new(big.Int).SetBytes(x[:])
|
||||||
yb := new(big.Int).SetBytes(flip(y[:]))
|
yb := new(big.Int).SetBytes(y[:])
|
||||||
diff := new(big.Int).Sub(xb, yb)
|
diff := new(big.Int).Sub(xb, yb)
|
||||||
stack.Push(RightPadWord256(flip(diff.Bytes())))
|
res := LeftPadWord256(U256(diff).Bytes())
|
||||||
dbg.Printf(" %v - %v = %v\n", xb, yb, diff)
|
stack.Push(res)
|
||||||
|
dbg.Printf(" %v - %v = %v (%X)\n", xb, yb, diff, res)
|
||||||
|
|
||||||
case DIV: // 0x04
|
case DIV: // 0x04
|
||||||
//x, y := stack.Pop64(), stack.Pop64()
|
|
||||||
//stack.Push64(x / y)
|
|
||||||
x, y := stack.Pop(), stack.Pop()
|
x, y := stack.Pop(), stack.Pop()
|
||||||
if y.IsZero() { // TODO
|
if y.IsZero() {
|
||||||
stack.Push(Zero256)
|
stack.Push(Zero256)
|
||||||
dbg.Printf(" %x / %x = %v (TODO)\n", x, y, 0)
|
dbg.Printf(" %x / %x = %v\n", x, y, 0)
|
||||||
} else {
|
} else {
|
||||||
xb := new(big.Int).SetBytes(flip(x[:]))
|
xb := new(big.Int).SetBytes(x[:])
|
||||||
yb := new(big.Int).SetBytes(flip(y[:]))
|
yb := new(big.Int).SetBytes(y[:])
|
||||||
div := new(big.Int).Div(xb, yb)
|
div := new(big.Int).Div(xb, yb)
|
||||||
stack.Push(RightPadWord256(flip(div.Bytes())))
|
res := LeftPadWord256(U256(div).Bytes())
|
||||||
dbg.Printf(" %v / %v = %v\n", xb, yb, div)
|
stack.Push(res)
|
||||||
|
dbg.Printf(" %v / %v = %v (%X)\n", xb, yb, div, res)
|
||||||
}
|
}
|
||||||
|
|
||||||
case SDIV: // 0x05
|
case SDIV: // 0x05
|
||||||
// TODO ... big?
|
x, y := stack.Pop(), stack.Pop()
|
||||||
x, y := int64(stack.Pop64()), int64(stack.Pop64())
|
if y.IsZero() {
|
||||||
if y == 0 { // TODO
|
|
||||||
stack.Push(Zero256)
|
stack.Push(Zero256)
|
||||||
dbg.Printf(" %v / %v = %v (TODO)\n", x, y, 0)
|
dbg.Printf(" %x / %x = %v\n", x, y, 0)
|
||||||
} else {
|
} else {
|
||||||
stack.Push64(uint64(x / y))
|
xb := S256(new(big.Int).SetBytes(x[:]))
|
||||||
dbg.Printf(" %v / %v = %v\n", x, y, x/y)
|
yb := S256(new(big.Int).SetBytes(y[:]))
|
||||||
|
div := new(big.Int).Div(xb, yb)
|
||||||
|
res := LeftPadWord256(U256(div).Bytes())
|
||||||
|
stack.Push(res)
|
||||||
|
dbg.Printf(" %v / %v = %v (%X)\n", xb, yb, div, res)
|
||||||
}
|
}
|
||||||
|
|
||||||
case MOD: // 0x06
|
case MOD: // 0x06
|
||||||
//x, y := stack.Pop64(), stack.Pop64()
|
|
||||||
x, y := stack.Pop(), stack.Pop()
|
x, y := stack.Pop(), stack.Pop()
|
||||||
if y.IsZero() { // TODO
|
if y.IsZero() {
|
||||||
stack.Push(Zero256)
|
stack.Push(Zero256)
|
||||||
dbg.Printf(" %v %% %v = %v (TODO)\n", x, y, 0)
|
dbg.Printf(" %v %% %v = %v\n", x, y, 0)
|
||||||
} else {
|
} else {
|
||||||
xb := new(big.Int).SetBytes(flip(x[:]))
|
xb := new(big.Int).SetBytes(x[:])
|
||||||
yb := new(big.Int).SetBytes(flip(y[:]))
|
yb := new(big.Int).SetBytes(y[:])
|
||||||
mod := new(big.Int).Mod(xb, yb)
|
mod := new(big.Int).Mod(xb, yb)
|
||||||
stack.Push(RightPadWord256(flip(mod.Bytes())))
|
res := LeftPadWord256(U256(mod).Bytes())
|
||||||
dbg.Printf(" %v %% %v = %v\n", xb, yb, mod)
|
stack.Push(res)
|
||||||
|
dbg.Printf(" %v %% %v = %v (%X)\n", xb, yb, mod, res)
|
||||||
}
|
}
|
||||||
|
|
||||||
case SMOD: // 0x07
|
case SMOD: // 0x07
|
||||||
// TODO ... big?
|
x, y := stack.Pop(), stack.Pop()
|
||||||
x, y := int64(stack.Pop64()), int64(stack.Pop64())
|
if y.IsZero() {
|
||||||
if y == 0 { // TODO
|
|
||||||
stack.Push(Zero256)
|
stack.Push(Zero256)
|
||||||
dbg.Printf(" %v %% %v = %v (TODO)\n", x, y, 0)
|
dbg.Printf(" %v %% %v = %v\n", x, y, 0)
|
||||||
} else {
|
} else {
|
||||||
stack.Push64(uint64(x % y))
|
xb := S256(new(big.Int).SetBytes(x[:]))
|
||||||
dbg.Printf(" %v %% %v = %v\n", x, y, x%y)
|
yb := S256(new(big.Int).SetBytes(y[:]))
|
||||||
|
mod := new(big.Int).Mod(xb, yb)
|
||||||
|
res := LeftPadWord256(U256(mod).Bytes())
|
||||||
|
stack.Push(res)
|
||||||
|
dbg.Printf(" %v %% %v = %v (%X)\n", xb, yb, mod, res)
|
||||||
}
|
}
|
||||||
|
|
||||||
case ADDMOD: // 0x08
|
case ADDMOD: // 0x08
|
||||||
// TODO ... big?
|
x, y, z := stack.Pop(), stack.Pop(), stack.Pop()
|
||||||
x, y, z := stack.Pop64(), stack.Pop64(), stack.Pop64()
|
if z.IsZero() {
|
||||||
if z == 0 { // TODO
|
|
||||||
stack.Push(Zero256)
|
stack.Push(Zero256)
|
||||||
dbg.Printf(" (%v + %v) %% %v = %v (TODO)\n", x, y, z, 0)
|
dbg.Printf(" %v %% %v = %v\n", x, y, 0)
|
||||||
} else {
|
} else {
|
||||||
stack.Push64((x + y) % z)
|
xb := new(big.Int).SetBytes(x[:])
|
||||||
dbg.Printf(" (%v + %v) %% %v = %v\n", x, y, z, (x+y)%z)
|
yb := new(big.Int).SetBytes(y[:])
|
||||||
|
zb := new(big.Int).SetBytes(z[:])
|
||||||
|
add := new(big.Int).Add(xb, yb)
|
||||||
|
mod := new(big.Int).Mod(add, zb)
|
||||||
|
res := LeftPadWord256(U256(mod).Bytes())
|
||||||
|
stack.Push(res)
|
||||||
|
dbg.Printf(" %v + %v %% %v = %v (%X)\n",
|
||||||
|
xb, yb, zb, mod, res)
|
||||||
}
|
}
|
||||||
|
|
||||||
case MULMOD: // 0x09
|
case MULMOD: // 0x09
|
||||||
// TODO ... big?
|
x, y, z := stack.Pop(), stack.Pop(), stack.Pop()
|
||||||
x, y, z := stack.Pop64(), stack.Pop64(), stack.Pop64()
|
if z.IsZero() {
|
||||||
if z == 0 { // TODO
|
|
||||||
stack.Push(Zero256)
|
stack.Push(Zero256)
|
||||||
dbg.Printf(" (%v + %v) %% %v = %v (TODO)\n", x, y, z, 0)
|
dbg.Printf(" %v %% %v = %v\n", x, y, 0)
|
||||||
} else {
|
} else {
|
||||||
stack.Push64((x * y) % z)
|
xb := new(big.Int).SetBytes(x[:])
|
||||||
dbg.Printf(" (%v + %v) %% %v = %v\n", x, y, z, (x*y)%z)
|
yb := new(big.Int).SetBytes(y[:])
|
||||||
|
zb := new(big.Int).SetBytes(z[:])
|
||||||
|
mul := new(big.Int).Mul(xb, yb)
|
||||||
|
mod := new(big.Int).Mod(mul, zb)
|
||||||
|
res := LeftPadWord256(U256(mod).Bytes())
|
||||||
|
stack.Push(res)
|
||||||
|
dbg.Printf(" %v * %v %% %v = %v (%X)\n",
|
||||||
|
xb, yb, zb, mod, res)
|
||||||
}
|
}
|
||||||
|
|
||||||
case EXP: // 0x0A
|
case EXP: // 0x0A
|
||||||
//x, y := stack.Pop64(), stack.Pop64()
|
|
||||||
//stack.Push64(ExpUint64(x, y))
|
|
||||||
x, y := stack.Pop(), stack.Pop()
|
x, y := stack.Pop(), stack.Pop()
|
||||||
xb := new(big.Int).SetBytes(flip(x[:]))
|
xb := new(big.Int).SetBytes(x[:])
|
||||||
yb := new(big.Int).SetBytes(flip(y[:]))
|
yb := new(big.Int).SetBytes(y[:])
|
||||||
pow := new(big.Int).Exp(xb, yb, big.NewInt(0))
|
pow := new(big.Int).Exp(xb, yb, big.NewInt(0))
|
||||||
stack.Push(RightPadWord256(flip(pow.Bytes())))
|
res := LeftPadWord256(U256(pow).Bytes())
|
||||||
dbg.Printf(" %v ** %v = %v\n", xb, yb, pow)
|
stack.Push(res)
|
||||||
|
dbg.Printf(" %v ** %v = %v (%X)\n", xb, yb, pow, res)
|
||||||
|
|
||||||
case SIGNEXTEND: // 0x0B
|
case SIGNEXTEND: // 0x0B
|
||||||
x, y := stack.Pop64(), stack.Pop64()
|
back := stack.Pop()
|
||||||
res := (y << uint(x)) >> x
|
backb := new(big.Int).SetBytes(back[:])
|
||||||
stack.Push64(res)
|
if backb.Cmp(big.NewInt(31)) < 0 {
|
||||||
dbg.Printf(" (%v << %v) >> %v = %v\n", y, x, x, res)
|
bit := uint(backb.Uint64()*8 + 7)
|
||||||
|
num := stack.Pop()
|
||||||
|
numb := new(big.Int).SetBytes(num[:])
|
||||||
|
mask := new(big.Int).Lsh(big.NewInt(1), bit)
|
||||||
|
mask.Sub(mask, big.NewInt(1))
|
||||||
|
if numb.Bit(int(bit)) == 1 {
|
||||||
|
numb.Or(numb, mask.Not(mask))
|
||||||
|
} else {
|
||||||
|
numb.Add(numb, mask)
|
||||||
|
}
|
||||||
|
res := LeftPadWord256(U256(numb).Bytes())
|
||||||
|
dbg.Printf(" = %v (%X)", numb, res)
|
||||||
|
stack.Push(res)
|
||||||
|
}
|
||||||
|
|
||||||
case LT: // 0x10
|
case LT: // 0x10
|
||||||
x, y := stack.Pop64(), stack.Pop64()
|
x, y := stack.Pop(), stack.Pop()
|
||||||
if x < y {
|
xb := new(big.Int).SetBytes(x[:])
|
||||||
|
yb := new(big.Int).SetBytes(y[:])
|
||||||
|
if xb.Cmp(yb) < 0 {
|
||||||
stack.Push64(1)
|
stack.Push64(1)
|
||||||
|
dbg.Printf(" %v < %v = %v\n", xb, yb, 1)
|
||||||
} else {
|
} else {
|
||||||
stack.Push(Zero256)
|
stack.Push(Zero256)
|
||||||
|
dbg.Printf(" %v < %v = %v\n", xb, yb, 0)
|
||||||
}
|
}
|
||||||
dbg.Printf(" %v < %v = %v\n", x, y, x < y)
|
|
||||||
|
|
||||||
case GT: // 0x11
|
case GT: // 0x11
|
||||||
x, y := stack.Pop64(), stack.Pop64()
|
x, y := stack.Pop(), stack.Pop()
|
||||||
if x > y {
|
xb := new(big.Int).SetBytes(x[:])
|
||||||
|
yb := new(big.Int).SetBytes(y[:])
|
||||||
|
if xb.Cmp(yb) > 0 {
|
||||||
stack.Push64(1)
|
stack.Push64(1)
|
||||||
|
dbg.Printf(" %v > %v = %v\n", xb, yb, 1)
|
||||||
} else {
|
} else {
|
||||||
stack.Push(Zero256)
|
stack.Push(Zero256)
|
||||||
|
dbg.Printf(" %v > %v = %v\n", xb, yb, 0)
|
||||||
}
|
}
|
||||||
dbg.Printf(" %v > %v = %v\n", x, y, x > y)
|
|
||||||
|
|
||||||
case SLT: // 0x12
|
case SLT: // 0x12
|
||||||
x, y := int64(stack.Pop64()), int64(stack.Pop64())
|
x, y := stack.Pop(), stack.Pop()
|
||||||
if x < y {
|
xb := S256(new(big.Int).SetBytes(x[:]))
|
||||||
|
yb := S256(new(big.Int).SetBytes(y[:]))
|
||||||
|
if xb.Cmp(yb) < 0 {
|
||||||
stack.Push64(1)
|
stack.Push64(1)
|
||||||
|
dbg.Printf(" %v < %v = %v\n", xb, yb, 1)
|
||||||
} else {
|
} else {
|
||||||
stack.Push(Zero256)
|
stack.Push(Zero256)
|
||||||
|
dbg.Printf(" %v < %v = %v\n", xb, yb, 0)
|
||||||
}
|
}
|
||||||
dbg.Printf(" %v < %v = %v\n", x, y, x < y)
|
|
||||||
|
|
||||||
case SGT: // 0x13
|
case SGT: // 0x13
|
||||||
x, y := int64(stack.Pop64()), int64(stack.Pop64())
|
x, y := stack.Pop(), stack.Pop()
|
||||||
if x > y {
|
xb := S256(new(big.Int).SetBytes(x[:]))
|
||||||
|
yb := S256(new(big.Int).SetBytes(y[:]))
|
||||||
|
if xb.Cmp(yb) > 0 {
|
||||||
stack.Push64(1)
|
stack.Push64(1)
|
||||||
|
dbg.Printf(" %v > %v = %v\n", xb, yb, 1)
|
||||||
} else {
|
} else {
|
||||||
stack.Push(Zero256)
|
stack.Push(Zero256)
|
||||||
|
dbg.Printf(" %v > %v = %v\n", xb, yb, 0)
|
||||||
}
|
}
|
||||||
dbg.Printf(" %v > %v = %v\n", x, y, x > y)
|
|
||||||
|
|
||||||
case EQ: // 0x14
|
case EQ: // 0x14
|
||||||
x, y := stack.Pop64(), stack.Pop64()
|
x, y := stack.Pop(), stack.Pop()
|
||||||
if x == y {
|
if bytes.Equal(x[:], y[:]) {
|
||||||
stack.Push64(1)
|
stack.Push64(1)
|
||||||
|
dbg.Printf(" %X == %X = %v\n", x, y, 1)
|
||||||
} else {
|
} else {
|
||||||
stack.Push(Zero256)
|
stack.Push(Zero256)
|
||||||
|
dbg.Printf(" %X == %X = %v\n", x, y, 0)
|
||||||
}
|
}
|
||||||
dbg.Printf(" %v == %v = %v\n", x, y, x == y)
|
|
||||||
|
|
||||||
case ISZERO: // 0x15
|
case ISZERO: // 0x15
|
||||||
x := stack.Pop64()
|
x := stack.Pop()
|
||||||
if x == 0 {
|
if x.IsZero() {
|
||||||
stack.Push64(1)
|
stack.Push64(1)
|
||||||
|
dbg.Printf(" %v == 0 = %v\n", x, 1)
|
||||||
} else {
|
} else {
|
||||||
stack.Push(Zero256)
|
stack.Push(Zero256)
|
||||||
|
dbg.Printf(" %v == 0 = %v\n", x, 0)
|
||||||
}
|
}
|
||||||
dbg.Printf(" %v == 0 = %v\n", x, x == 0)
|
|
||||||
|
|
||||||
case AND: // 0x16
|
case AND: // 0x16
|
||||||
x, y := stack.Pop64(), stack.Pop64()
|
x, y := stack.Pop(), stack.Pop()
|
||||||
stack.Push64(x & y)
|
z := [32]byte{}
|
||||||
dbg.Printf(" %v & %v = %v\n", x, y, x&y)
|
for i := 0; i < 32; i++ {
|
||||||
|
z[i] = x[i] & y[i]
|
||||||
|
}
|
||||||
|
stack.Push(z)
|
||||||
|
dbg.Printf(" %X & %X = %X\n", x, y, z)
|
||||||
|
|
||||||
case OR: // 0x17
|
case OR: // 0x17
|
||||||
x, y := stack.Pop64(), stack.Pop64()
|
x, y := stack.Pop(), stack.Pop()
|
||||||
stack.Push64(x | y)
|
z := [32]byte{}
|
||||||
dbg.Printf(" %v | %v = %v\n", x, y, x|y)
|
for i := 0; i < 32; i++ {
|
||||||
|
z[i] = x[i] | y[i]
|
||||||
|
}
|
||||||
|
stack.Push(z)
|
||||||
|
dbg.Printf(" %X | %X = %X\n", x, y, z)
|
||||||
|
|
||||||
case XOR: // 0x18
|
case XOR: // 0x18
|
||||||
x, y := stack.Pop64(), stack.Pop64()
|
x, y := stack.Pop(), stack.Pop()
|
||||||
stack.Push64(x ^ y)
|
z := [32]byte{}
|
||||||
dbg.Printf(" %v ^ %v = %v\n", x, y, x^y)
|
for i := 0; i < 32; i++ {
|
||||||
|
z[i] = x[i] ^ y[i]
|
||||||
|
}
|
||||||
|
stack.Push(z)
|
||||||
|
dbg.Printf(" %X ^ %X = %X\n", x, y, z)
|
||||||
|
|
||||||
case NOT: // 0x19
|
case NOT: // 0x19
|
||||||
x := stack.Pop64()
|
x := stack.Pop()
|
||||||
stack.Push64(^x)
|
z := [32]byte{}
|
||||||
dbg.Printf(" !%v = %v\n", x, ^x)
|
for i := 0; i < 32; i++ {
|
||||||
|
z[i] = ^x[i]
|
||||||
|
}
|
||||||
|
stack.Push(z)
|
||||||
|
dbg.Printf(" !%X = %X\n", x, z)
|
||||||
|
|
||||||
case BYTE: // 0x1A
|
case BYTE: // 0x1A
|
||||||
idx, val := stack.Pop64(), stack.Pop()
|
idx, val := stack.Pop64(), stack.Pop()
|
||||||
|
@ -336,12 +394,12 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
|
||||||
return nil, firstErr(err, ErrInsufficientGas)
|
return nil, firstErr(err, ErrInsufficientGas)
|
||||||
}
|
}
|
||||||
offset, size := stack.Pop64(), stack.Pop64()
|
offset, size := stack.Pop64(), stack.Pop64()
|
||||||
data, ok := subslice(memory, offset, size, false)
|
data, ok := subslice(memory, offset, size)
|
||||||
if !ok {
|
if !ok {
|
||||||
return nil, firstErr(err, ErrMemoryOutOfBounds)
|
return nil, firstErr(err, ErrMemoryOutOfBounds)
|
||||||
}
|
}
|
||||||
data = sha3.Sha3(data)
|
data = sha3.Sha3(data)
|
||||||
stack.PushBytes(flip(data))
|
stack.PushBytes(data)
|
||||||
dbg.Printf(" => (%v) %X\n", size, data)
|
dbg.Printf(" => (%v) %X\n", size, data)
|
||||||
|
|
||||||
case ADDRESS: // 0x30
|
case ADDRESS: // 0x30
|
||||||
|
@ -353,7 +411,7 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
|
||||||
if ok = useGas(gas, GasGetAccount); !ok {
|
if ok = useGas(gas, GasGetAccount); !ok {
|
||||||
return nil, firstErr(err, ErrInsufficientGas)
|
return nil, firstErr(err, ErrInsufficientGas)
|
||||||
}
|
}
|
||||||
acc := vm.appState.GetAccount(flipWord(addr)) // TODO ensure that 20byte lengths are supported.
|
acc := vm.appState.GetAccount(addr)
|
||||||
if acc == nil {
|
if acc == nil {
|
||||||
return nil, firstErr(err, ErrUnknownAddress)
|
return nil, firstErr(err, ErrUnknownAddress)
|
||||||
}
|
}
|
||||||
|
@ -375,12 +433,13 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
|
||||||
|
|
||||||
case CALLDATALOAD: // 0x35
|
case CALLDATALOAD: // 0x35
|
||||||
offset := stack.Pop64()
|
offset := stack.Pop64()
|
||||||
data, ok := subslice(input, offset, 32, true)
|
data, ok := subslice(input, offset, 32)
|
||||||
if !ok {
|
if !ok {
|
||||||
return nil, firstErr(err, ErrInputOutOfBounds)
|
return nil, firstErr(err, ErrInputOutOfBounds)
|
||||||
}
|
}
|
||||||
stack.Push(RightPadWord256(data))
|
res := LeftPadWord256(data)
|
||||||
dbg.Printf(" => 0x%X\n", RightPadWord256(data))
|
stack.Push(res)
|
||||||
|
dbg.Printf(" => 0x%X\n", res)
|
||||||
|
|
||||||
case CALLDATASIZE: // 0x36
|
case CALLDATASIZE: // 0x36
|
||||||
stack.Push64(uint64(len(input)))
|
stack.Push64(uint64(len(input)))
|
||||||
|
@ -390,11 +449,11 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
|
||||||
memOff := stack.Pop64()
|
memOff := stack.Pop64()
|
||||||
inputOff := stack.Pop64()
|
inputOff := stack.Pop64()
|
||||||
length := stack.Pop64()
|
length := stack.Pop64()
|
||||||
data, ok := subslice(input, inputOff, length, false)
|
data, ok := subslice(input, inputOff, length)
|
||||||
if !ok {
|
if !ok {
|
||||||
return nil, firstErr(err, ErrInputOutOfBounds)
|
return nil, firstErr(err, ErrInputOutOfBounds)
|
||||||
}
|
}
|
||||||
dest, ok := subslice(memory, memOff, length, false)
|
dest, ok := subslice(memory, memOff, length)
|
||||||
if !ok {
|
if !ok {
|
||||||
return nil, firstErr(err, ErrMemoryOutOfBounds)
|
return nil, firstErr(err, ErrMemoryOutOfBounds)
|
||||||
}
|
}
|
||||||
|
@ -410,11 +469,11 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
|
||||||
memOff := stack.Pop64()
|
memOff := stack.Pop64()
|
||||||
codeOff := stack.Pop64()
|
codeOff := stack.Pop64()
|
||||||
length := stack.Pop64()
|
length := stack.Pop64()
|
||||||
data, ok := subslice(code, codeOff, length, false)
|
data, ok := subslice(code, codeOff, length)
|
||||||
if !ok {
|
if !ok {
|
||||||
return nil, firstErr(err, ErrCodeOutOfBounds)
|
return nil, firstErr(err, ErrCodeOutOfBounds)
|
||||||
}
|
}
|
||||||
dest, ok := subslice(memory, memOff, length, false)
|
dest, ok := subslice(memory, memOff, length)
|
||||||
if !ok {
|
if !ok {
|
||||||
return nil, firstErr(err, ErrMemoryOutOfBounds)
|
return nil, firstErr(err, ErrMemoryOutOfBounds)
|
||||||
}
|
}
|
||||||
|
@ -430,7 +489,7 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
|
||||||
if ok = useGas(gas, GasGetAccount); !ok {
|
if ok = useGas(gas, GasGetAccount); !ok {
|
||||||
return nil, firstErr(err, ErrInsufficientGas)
|
return nil, firstErr(err, ErrInsufficientGas)
|
||||||
}
|
}
|
||||||
acc := vm.appState.GetAccount(flipWord(addr))
|
acc := vm.appState.GetAccount(addr)
|
||||||
if acc == nil {
|
if acc == nil {
|
||||||
return nil, firstErr(err, ErrUnknownAddress)
|
return nil, firstErr(err, ErrUnknownAddress)
|
||||||
}
|
}
|
||||||
|
@ -444,7 +503,7 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
|
||||||
if ok = useGas(gas, GasGetAccount); !ok {
|
if ok = useGas(gas, GasGetAccount); !ok {
|
||||||
return nil, firstErr(err, ErrInsufficientGas)
|
return nil, firstErr(err, ErrInsufficientGas)
|
||||||
}
|
}
|
||||||
acc := vm.appState.GetAccount(flipWord(addr))
|
acc := vm.appState.GetAccount(addr)
|
||||||
if acc == nil {
|
if acc == nil {
|
||||||
return nil, firstErr(err, ErrUnknownAddress)
|
return nil, firstErr(err, ErrUnknownAddress)
|
||||||
}
|
}
|
||||||
|
@ -452,11 +511,11 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
|
||||||
memOff := stack.Pop64()
|
memOff := stack.Pop64()
|
||||||
codeOff := stack.Pop64()
|
codeOff := stack.Pop64()
|
||||||
length := stack.Pop64()
|
length := stack.Pop64()
|
||||||
data, ok := subslice(code, codeOff, length, false)
|
data, ok := subslice(code, codeOff, length)
|
||||||
if !ok {
|
if !ok {
|
||||||
return nil, firstErr(err, ErrCodeOutOfBounds)
|
return nil, firstErr(err, ErrCodeOutOfBounds)
|
||||||
}
|
}
|
||||||
dest, ok := subslice(memory, memOff, length, false)
|
dest, ok := subslice(memory, memOff, length)
|
||||||
if !ok {
|
if !ok {
|
||||||
return nil, firstErr(err, ErrMemoryOutOfBounds)
|
return nil, firstErr(err, ErrMemoryOutOfBounds)
|
||||||
}
|
}
|
||||||
|
@ -491,20 +550,20 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
|
||||||
|
|
||||||
case MLOAD: // 0x51
|
case MLOAD: // 0x51
|
||||||
offset := stack.Pop64()
|
offset := stack.Pop64()
|
||||||
data, ok := subslice(memory, offset, 32, true)
|
data, ok := subslice(memory, offset, 32)
|
||||||
if !ok {
|
if !ok {
|
||||||
return nil, firstErr(err, ErrMemoryOutOfBounds)
|
return nil, firstErr(err, ErrMemoryOutOfBounds)
|
||||||
}
|
}
|
||||||
stack.Push(RightPadWord256(data))
|
stack.Push(LeftPadWord256(data))
|
||||||
dbg.Printf(" => 0x%X\n", data)
|
dbg.Printf(" => 0x%X\n", data)
|
||||||
|
|
||||||
case MSTORE: // 0x52
|
case MSTORE: // 0x52
|
||||||
offset, data := stack.Pop64(), stack.Pop()
|
offset, data := stack.Pop64(), stack.Pop()
|
||||||
dest, ok := subslice(memory, offset, 32, false)
|
dest, ok := subslice(memory, offset, 32)
|
||||||
if !ok {
|
if !ok {
|
||||||
return nil, firstErr(err, ErrMemoryOutOfBounds)
|
return nil, firstErr(err, ErrMemoryOutOfBounds)
|
||||||
}
|
}
|
||||||
copy(dest, flip(data[:]))
|
copy(dest, data[:])
|
||||||
dbg.Printf(" => 0x%X\n", data)
|
dbg.Printf(" => 0x%X\n", data)
|
||||||
|
|
||||||
case MSTORE8: // 0x53
|
case MSTORE8: // 0x53
|
||||||
|
@ -532,8 +591,8 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
|
||||||
continue
|
continue
|
||||||
|
|
||||||
case JUMPI: // 0x57
|
case JUMPI: // 0x57
|
||||||
pos, cond := stack.Pop64(), stack.Pop64()
|
pos, cond := stack.Pop64(), stack.Pop()
|
||||||
if cond >= 1 {
|
if !cond.IsZero() {
|
||||||
err = jump(code, pos, &pc)
|
err = jump(code, pos, &pc)
|
||||||
continue
|
continue
|
||||||
}
|
}
|
||||||
|
@ -555,14 +614,15 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
|
||||||
|
|
||||||
case PUSH1, PUSH2, PUSH3, PUSH4, PUSH5, PUSH6, PUSH7, PUSH8, PUSH9, PUSH10, PUSH11, PUSH12, PUSH13, PUSH14, PUSH15, PUSH16, PUSH17, PUSH18, PUSH19, PUSH20, PUSH21, PUSH22, PUSH23, PUSH24, PUSH25, PUSH26, PUSH27, PUSH28, PUSH29, PUSH30, PUSH31, PUSH32:
|
case PUSH1, PUSH2, PUSH3, PUSH4, PUSH5, PUSH6, PUSH7, PUSH8, PUSH9, PUSH10, PUSH11, PUSH12, PUSH13, PUSH14, PUSH15, PUSH16, PUSH17, PUSH18, PUSH19, PUSH20, PUSH21, PUSH22, PUSH23, PUSH24, PUSH25, PUSH26, PUSH27, PUSH28, PUSH29, PUSH30, PUSH31, PUSH32:
|
||||||
a := uint64(op - PUSH1 + 1)
|
a := uint64(op - PUSH1 + 1)
|
||||||
codeSegment, ok := subslice(code, pc+1, a, true)
|
codeSegment, ok := subslice(code, pc+1, a)
|
||||||
if !ok {
|
if !ok {
|
||||||
return nil, firstErr(err, ErrCodeOutOfBounds)
|
return nil, firstErr(err, ErrCodeOutOfBounds)
|
||||||
}
|
}
|
||||||
res := RightPadWord256(codeSegment)
|
res := LeftPadWord256(codeSegment)
|
||||||
stack.Push(res)
|
stack.Push(res)
|
||||||
pc += a
|
pc += a
|
||||||
dbg.Printf(" => 0x%X\n", res)
|
dbg.Printf(" => 0x%X\n", res)
|
||||||
|
stack.Print(10)
|
||||||
|
|
||||||
case DUP1, DUP2, DUP3, DUP4, DUP5, DUP6, DUP7, DUP8, DUP9, DUP10, DUP11, DUP12, DUP13, DUP14, DUP15, DUP16:
|
case DUP1, DUP2, DUP3, DUP4, DUP5, DUP6, DUP7, DUP8, DUP9, DUP10, DUP11, DUP12, DUP13, DUP14, DUP15, DUP16:
|
||||||
n := int(op - DUP1 + 1)
|
n := int(op - DUP1 + 1)
|
||||||
|
@ -572,7 +632,8 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
|
||||||
case SWAP1, SWAP2, SWAP3, SWAP4, SWAP5, SWAP6, SWAP7, SWAP8, SWAP9, SWAP10, SWAP11, SWAP12, SWAP13, SWAP14, SWAP15, SWAP16:
|
case SWAP1, SWAP2, SWAP3, SWAP4, SWAP5, SWAP6, SWAP7, SWAP8, SWAP9, SWAP10, SWAP11, SWAP12, SWAP13, SWAP14, SWAP15, SWAP16:
|
||||||
n := int(op - SWAP1 + 2)
|
n := int(op - SWAP1 + 2)
|
||||||
stack.Swap(n)
|
stack.Swap(n)
|
||||||
dbg.Printf(" => [%d]\n", n)
|
dbg.Printf(" => [%d] %X\n", n, stack.Peek())
|
||||||
|
stack.Print(10)
|
||||||
|
|
||||||
case LOG0, LOG1, LOG2, LOG3, LOG4:
|
case LOG0, LOG1, LOG2, LOG3, LOG4:
|
||||||
n := int(op - LOG0)
|
n := int(op - LOG0)
|
||||||
|
@ -581,7 +642,7 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
|
||||||
for i := 0; i < n; i++ {
|
for i := 0; i < n; i++ {
|
||||||
topics[i] = stack.Pop()
|
topics[i] = stack.Pop()
|
||||||
}
|
}
|
||||||
data, ok := subslice(memory, offset, size, false)
|
data, ok := subslice(memory, offset, size)
|
||||||
if !ok {
|
if !ok {
|
||||||
return nil, firstErr(err, ErrMemoryOutOfBounds)
|
return nil, firstErr(err, ErrMemoryOutOfBounds)
|
||||||
}
|
}
|
||||||
|
@ -597,7 +658,7 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
|
||||||
case CREATE: // 0xF0
|
case CREATE: // 0xF0
|
||||||
contractValue := stack.Pop64()
|
contractValue := stack.Pop64()
|
||||||
offset, size := stack.Pop64(), stack.Pop64()
|
offset, size := stack.Pop64(), stack.Pop64()
|
||||||
input, ok := subslice(memory, offset, size, false)
|
input, ok := subslice(memory, offset, size)
|
||||||
if !ok {
|
if !ok {
|
||||||
return nil, firstErr(err, ErrMemoryOutOfBounds)
|
return nil, firstErr(err, ErrMemoryOutOfBounds)
|
||||||
}
|
}
|
||||||
|
@ -627,7 +688,7 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
|
||||||
dbg.Printf(" => %X\n", addr)
|
dbg.Printf(" => %X\n", addr)
|
||||||
|
|
||||||
// Get the arguments from the memory
|
// Get the arguments from the memory
|
||||||
args, ok := subslice(memory, inOffset, inSize, false)
|
args, ok := subslice(memory, inOffset, inSize)
|
||||||
if !ok {
|
if !ok {
|
||||||
return nil, firstErr(err, ErrMemoryOutOfBounds)
|
return nil, firstErr(err, ErrMemoryOutOfBounds)
|
||||||
}
|
}
|
||||||
|
@ -651,7 +712,7 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
|
||||||
if ok = useGas(gas, GasGetAccount); !ok {
|
if ok = useGas(gas, GasGetAccount); !ok {
|
||||||
return nil, firstErr(err, ErrInsufficientGas)
|
return nil, firstErr(err, ErrInsufficientGas)
|
||||||
}
|
}
|
||||||
acc := vm.appState.GetAccount(flipWord(addr))
|
acc := vm.appState.GetAccount(addr)
|
||||||
if acc == nil {
|
if acc == nil {
|
||||||
return nil, firstErr(err, ErrUnknownAddress)
|
return nil, firstErr(err, ErrUnknownAddress)
|
||||||
}
|
}
|
||||||
|
@ -667,7 +728,7 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
|
||||||
stack.Push(Zero256)
|
stack.Push(Zero256)
|
||||||
} else {
|
} else {
|
||||||
stack.Push(One256)
|
stack.Push(One256)
|
||||||
dest, ok := subslice(memory, retOffset, retSize, false)
|
dest, ok := subslice(memory, retOffset, retSize)
|
||||||
if !ok {
|
if !ok {
|
||||||
return nil, firstErr(err, ErrMemoryOutOfBounds)
|
return nil, firstErr(err, ErrMemoryOutOfBounds)
|
||||||
}
|
}
|
||||||
|
@ -681,7 +742,7 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
|
||||||
|
|
||||||
case RETURN: // 0xF3
|
case RETURN: // 0xF3
|
||||||
offset, size := stack.Pop64(), stack.Pop64()
|
offset, size := stack.Pop64(), stack.Pop64()
|
||||||
ret, ok := subslice(memory, offset, size, false)
|
ret, ok := subslice(memory, offset, size)
|
||||||
if !ok {
|
if !ok {
|
||||||
return nil, firstErr(err, ErrMemoryOutOfBounds)
|
return nil, firstErr(err, ErrMemoryOutOfBounds)
|
||||||
}
|
}
|
||||||
|
@ -694,7 +755,7 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
|
||||||
return nil, firstErr(err, ErrInsufficientGas)
|
return nil, firstErr(err, ErrInsufficientGas)
|
||||||
}
|
}
|
||||||
// TODO if the receiver is , then make it the fee.
|
// TODO if the receiver is , then make it the fee.
|
||||||
receiver := vm.appState.GetAccount(flipWord(addr))
|
receiver := vm.appState.GetAccount(addr)
|
||||||
if receiver == nil {
|
if receiver == nil {
|
||||||
return nil, firstErr(err, ErrUnknownAddress)
|
return nil, firstErr(err, ErrUnknownAddress)
|
||||||
}
|
}
|
||||||
|
@ -715,7 +776,7 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
func subslice(data []byte, offset, length uint64, flip_ bool) (ret []byte, ok bool) {
|
func subslice(data []byte, offset, length uint64) (ret []byte, ok bool) {
|
||||||
size := uint64(len(data))
|
size := uint64(len(data))
|
||||||
if size < offset {
|
if size < offset {
|
||||||
return nil, false
|
return nil, false
|
||||||
|
@ -726,12 +787,15 @@ func subslice(data []byte, offset, length uint64, flip_ bool) (ret []byte, ok bo
|
||||||
ret, ok = data[offset:offset+length], true
|
ret, ok = data[offset:offset+length], true
|
||||||
}
|
}
|
||||||
|
|
||||||
if flip_ {
|
|
||||||
ret = flip(ret)
|
|
||||||
}
|
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
|
func rightMostBytes(data []byte, n int) []byte {
|
||||||
|
size := MinInt(len(data), n)
|
||||||
|
offset := len(data) - size
|
||||||
|
return data[offset:]
|
||||||
|
}
|
||||||
|
|
||||||
func codeGetOp(code []byte, n uint64) OpCode {
|
func codeGetOp(code []byte, n uint64) OpCode {
|
||||||
if uint64(len(code)) <= n {
|
if uint64(len(code)) <= n {
|
||||||
return OpCode(0) // stop
|
return OpCode(0) // stop
|
||||||
|
@ -777,27 +841,3 @@ func transfer(from, to *Account, amount uint64) error {
|
||||||
return nil
|
return nil
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
func flip(in []byte) []byte {
|
|
||||||
l2 := len(in) / 2
|
|
||||||
flipped := make([]byte, len(in))
|
|
||||||
// copy the middle bit (if its even it will get overwritten)
|
|
||||||
if len(in) != 0 {
|
|
||||||
flipped[l2] = in[l2]
|
|
||||||
}
|
|
||||||
for i := 0; i < l2; i++ {
|
|
||||||
flipped[i] = in[len(in)-1-i]
|
|
||||||
flipped[len(in)-1-i] = in[i]
|
|
||||||
}
|
|
||||||
return flipped
|
|
||||||
}
|
|
||||||
|
|
||||||
func flipWord(in Word256) Word256 {
|
|
||||||
word := Word256{}
|
|
||||||
// copy the middle bit (if its even it will get overwritten)
|
|
||||||
for i := 0; i < 16; i++ {
|
|
||||||
word[i] = in[len(in)-1-i]
|
|
||||||
word[len(in)-1-i] = in[i]
|
|
||||||
}
|
|
||||||
return word
|
|
||||||
}
|
|
||||||
|
|
Loading…
Reference in New Issue