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core/vm: implement EIP-2681: Limit account nonce to 2^64-1 #23853

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Nov 11, 2021
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2 changes: 2 additions & 0 deletions cmd/evm/internal/t8ntool/transaction.go
Original file line number Diff line number Diff line change
Expand Up @@ -154,6 +154,8 @@ func Transaction(ctx *cli.Context) error {
}
// Validate <256bit fields
switch {
case tx.Nonce()+1 < tx.Nonce():
r.Error = errors.New("nonce exceeds 2^64-1")
case tx.Value().BitLen() > 256:
r.Error = errors.New("value exceeds 256 bits")
case tx.GasPrice().BitLen() > 256:
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4 changes: 4 additions & 0 deletions core/error.go
Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,10 @@ 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")

// ErrGasLimitReached is returned by the gas pool if the amount of gas required
// by a transaction is higher than what's left in the block.
ErrGasLimitReached = errors.New("gas limit reached")
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3 changes: 3 additions & 0 deletions core/state_transition.go
Original file line number Diff line number Diff line change
Expand Up @@ -222,6 +222,9 @@ func (st *StateTransition) preCheck() error {
} 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)
}
// Make sure the sender is an EOA
if codeHash := st.state.GetCodeHash(st.msg.From()); codeHash != emptyCodeHash && codeHash != (common.Hash{}) {
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1 change: 1 addition & 0 deletions core/vm/errors.go
Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,7 @@ var (
ErrReturnDataOutOfBounds = errors.New("return data out of bounds")
ErrGasUintOverflow = errors.New("gas uint64 overflow")
ErrInvalidCode = errors.New("invalid code: must not begin with 0xef")
ErrNonceUintOverflow = errors.New("nonce uint64 overflow")
)

// ErrStackUnderflow wraps an evm error when the items on the stack less
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3 changes: 3 additions & 0 deletions core/vm/evm.go
Original file line number Diff line number Diff line change
Expand Up @@ -424,6 +424,9 @@ 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
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