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