Skip to content
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions core/error.go
Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,10 @@ var (
// next one expected based on the local chain.
ErrNonceTooHigh = errors.New("nonce too high")

// ErrNonceMax is returned if the nonce of a transaction sender account has
// maximum allowed value and would become invalid if incremented.
ErrNonceMax = errors.New("nonce has max value")

ErrNotXDPoS = errors.New("XDPoS not found in config")

ErrNotFoundM1 = errors.New("list M1 not found ")
Expand Down
21 changes: 12 additions & 9 deletions core/state_transition.go
Original file line number Diff line number Diff line change
Expand Up @@ -197,16 +197,19 @@ func (st *StateTransition) buyGas() error {
}

func (st *StateTransition) preCheck() error {
msg := st.msg
sender := st.from()

// Make sure this transaction's nonce is correct
if msg.CheckNonce() {
nonce := st.state.GetNonce(sender.Address())
if nonce < msg.Nonce() {
return ErrNonceTooHigh
} else if nonce > msg.Nonce() {
return ErrNonceTooLow
if st.msg.CheckNonce() {
// Make sure this transaction's nonce is correct.
stNonce := st.state.GetNonce(st.from().Address())
if msgNonce := st.msg.Nonce(); stNonce < msgNonce {
return fmt.Errorf("%w: address %v, tx: %d state: %d", ErrNonceTooHigh,
st.msg.From().Hex(), msgNonce, stNonce)
} else if stNonce > msgNonce {
return fmt.Errorf("%w: address %v, tx: %d state: %d", ErrNonceTooLow,
st.msg.From().Hex(), msgNonce, stNonce)
} else if stNonce+1 < stNonce {
return fmt.Errorf("%w: address %v, nonce: %d", ErrNonceMax,
st.msg.From().Hex(), stNonce)
}
}
return st.buyGas()
Expand Down
1 change: 1 addition & 0 deletions core/vm/errors.go
Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@ var (
ErrWriteProtection = errors.New("write protection")
ErrReturnDataOutOfBounds = errors.New("return data out of bounds")
ErrGasUintOverflow = errors.New("gas uint64 overflow")
ErrNonceUintOverflow = errors.New("nonce uint64 overflow")

// errStopToken is an internal token indicating interpreter loop termination,
// never returned to outside callers.
Expand Down
3 changes: 3 additions & 0 deletions core/vm/evm.go
Original file line number Diff line number Diff line change
Expand Up @@ -443,6 +443,9 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64,
return nil, common.Address{}, gas, ErrInsufficientBalance
}
nonce := evm.StateDB.GetNonce(caller.Address())
if nonce+1 < nonce {
return nil, common.Address{}, gas, ErrNonceUintOverflow
}
evm.StateDB.SetNonce(caller.Address(), nonce+1)
// We add this to the access list _before_ taking a snapshot. Even if the creation fails,
// the access-list change should not be rolled back
Expand Down