code.vegaprotocol.io/vega@v0.79.0/core/datasource/external/ethcall/common/trigger.go (about)

     1  // Copyright (C) 2023 Gobalsky Labs Limited
     2  //
     3  // This program is free software: you can redistribute it and/or modify
     4  // it under the terms of the GNU Affero General Public License as
     5  // published by the Free Software Foundation, either version 3 of the
     6  // License, or (at your option) any later version.
     7  //
     8  // This program is distributed in the hope that it will be useful,
     9  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    10  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    11  // GNU Affero General Public License for more details.
    12  //
    13  // You should have received a copy of the GNU Affero General Public License
    14  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    15  
    16  package common
    17  
    18  import (
    19  	"fmt"
    20  
    21  	vegapb "code.vegaprotocol.io/vega/protos/vega"
    22  )
    23  
    24  type Trigger interface {
    25  	IntoTriggerProto() *vegapb.EthCallTrigger
    26  	DeepClone() Trigger
    27  	String() string
    28  }
    29  
    30  func TriggerFromProto(proto *vegapb.EthCallTrigger) (Trigger, error) {
    31  	if proto == nil {
    32  		return nil, fmt.Errorf("trigger proto is nil")
    33  	}
    34  
    35  	switch t := proto.Trigger.(type) {
    36  	case *vegapb.EthCallTrigger_TimeTrigger:
    37  		return TimeTriggerFromProto(t.TimeTrigger), nil
    38  	default:
    39  		return nil, fmt.Errorf("unknown trigger type: %T", proto.Trigger)
    40  	}
    41  }
    42  
    43  type TimeTrigger struct {
    44  	Initial uint64
    45  	Every   uint64 // 0 = don't repeat
    46  	Until   uint64 // 0 = forever
    47  }
    48  
    49  func (e TimeTrigger) IntoProto() *vegapb.EthTimeTrigger {
    50  	var initial, every, until *uint64
    51  
    52  	if e.Initial != 0 {
    53  		initial = &e.Initial
    54  	}
    55  
    56  	if e.Every != 0 {
    57  		every = &e.Every
    58  	}
    59  
    60  	if e.Until != 0 {
    61  		until = &e.Until
    62  	}
    63  
    64  	return &vegapb.EthTimeTrigger{
    65  		Initial: initial,
    66  		Every:   every,
    67  		Until:   until,
    68  	}
    69  }
    70  
    71  func (e TimeTrigger) DeepClone() Trigger {
    72  	return e
    73  }
    74  
    75  func (e TimeTrigger) IntoTriggerProto() *vegapb.EthCallTrigger {
    76  	return &vegapb.EthCallTrigger{
    77  		Trigger: &vegapb.EthCallTrigger_TimeTrigger{
    78  			TimeTrigger: e.IntoProto(),
    79  		},
    80  	}
    81  }
    82  
    83  func (e TimeTrigger) String() string {
    84  	return fmt.Sprintf(
    85  		"initial(%d) every(%d) until(%d)",
    86  		e.Initial,
    87  		e.Every,
    88  		e.Until,
    89  	)
    90  }
    91  
    92  func TimeTriggerFromProto(protoTrigger *vegapb.EthTimeTrigger) TimeTrigger {
    93  	trigger := TimeTrigger{}
    94  	if protoTrigger == nil {
    95  		return trigger
    96  	}
    97  
    98  	if protoTrigger.Initial != nil {
    99  		trigger.Initial = *protoTrigger.Initial
   100  	}
   101  	if protoTrigger.Every != nil {
   102  		trigger.Every = *protoTrigger.Every
   103  	}
   104  	if protoTrigger.Until != nil {
   105  		trigger.Until = *protoTrigger.Until
   106  	}
   107  	return trigger
   108  }