/
errors.go
44 lines (36 loc) · 1.14 KB
/
errors.go
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package runtime
import (
"errors"
"fmt"
)
// List evm execution errors
var (
// ErrInvalidSubroutineEntry means that a BEGINSUB was reached via iteration,
// as opposed to from a JUMPSUB instruction
ErrOutOfGas = errors.New("out of gas")
ErrExecutionReverted = errors.New("execution reverted")
ErrGasUintOverflow = errors.New("gas uint64 overflow")
)
// ErrStackUnderflow wraps an evm error when the items on the stack less
// than the minimal requirement.
type ErrStackUnderflow struct {
stackLen int
required int
}
func (e *ErrStackUnderflow) Error() string {
return fmt.Sprintf("stack underflow (%d <=> %d)", e.stackLen, e.required)
}
// ErrStackOverflow wraps an evm error when the items on the stack exceeds
// the maximum allowance.
type ErrStackOverflow struct {
stackLen int
limit int
}
func (e *ErrStackOverflow) Error() string {
return fmt.Sprintf("stack limit reached %d (%d)", e.stackLen, e.limit)
}
// ErrInvalidOpCode wraps an evm error when an invalid opcode is encountered.
type ErrInvalidOpCode struct {
opcode OpCode
}
func (e *ErrInvalidOpCode) Error() string { return fmt.Sprintf("invalid opcode: %s", e.opcode) }