45 lines
1020 B
Go
45 lines
1020 B
Go
package vm
|
|
|
|
import "math/big"
|
|
|
|
type jumpSeg struct {
|
|
pos uint64
|
|
err error
|
|
gas *big.Int
|
|
}
|
|
|
|
func (j jumpSeg) do(program *Program, pc *uint64, env Environment, contract *Contract, memory *Memory, stack *stack) ([]byte, error) {
|
|
if !contract.UseGas(j.gas) {
|
|
return nil, OutOfGasError
|
|
}
|
|
if j.err != nil {
|
|
return nil, j.err
|
|
}
|
|
*pc = j.pos
|
|
return nil, nil
|
|
}
|
|
func (s jumpSeg) halts() bool { return false }
|
|
func (s jumpSeg) Op() OpCode { return 0 }
|
|
|
|
type pushSeg struct {
|
|
data []*big.Int
|
|
gas *big.Int
|
|
}
|
|
|
|
func (s pushSeg) do(program *Program, pc *uint64, env Environment, contract *Contract, memory *Memory, stack *stack) ([]byte, error) {
|
|
// Use the calculated gas. When insufficient gas is present, use all gas and return an
|
|
// Out Of Gas error
|
|
if !contract.UseGas(s.gas) {
|
|
return nil, OutOfGasError
|
|
}
|
|
|
|
for _, d := range s.data {
|
|
stack.push(new(big.Int).Set(d))
|
|
}
|
|
*pc += uint64(len(s.data))
|
|
return nil, nil
|
|
}
|
|
|
|
func (s pushSeg) halts() bool { return false }
|
|
func (s pushSeg) Op() OpCode { return 0 }
|