github.com/stafiprotocol/go-substrate-rpc-client@v1.4.7/types/extrinsic_era.go (about)

     1  // Go Substrate RPC Client (GSRPC) provides APIs and types around Polkadot and any Substrate-based chain RPC calls
     2  //
     3  // Copyright 2020 Stafi Protocol
     4  //
     5  // Licensed under the Apache License, Version 2.0 (the "License");
     6  // you may not use this file except in compliance with the License.
     7  // You may obtain a copy of the License at
     8  //
     9  //     http://www.apache.org/licenses/LICENSE-2.0
    10  //
    11  // Unless required by applicable law or agreed to in writing, software
    12  // distributed under the License is distributed on an "AS IS" BASIS,
    13  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14  // See the License for the specific language governing permissions and
    15  // limitations under the License.
    16  
    17  package types
    18  
    19  import "github.com/stafiprotocol/go-substrate-rpc-client/pkg/scale"
    20  
    21  // ExtrinsicEra indicates either a mortal or immortal extrinsic
    22  type ExtrinsicEra struct {
    23  	IsImmortalEra bool
    24  	// AsImmortalEra ImmortalEra
    25  	IsMortalEra bool
    26  	AsMortalEra MortalEra
    27  }
    28  
    29  func (e *ExtrinsicEra) Decode(decoder scale.Decoder) error {
    30  	first, err := decoder.ReadOneByte()
    31  	if err != nil {
    32  		return err
    33  	}
    34  
    35  	if first == 0 {
    36  		e.IsImmortalEra = true
    37  		return nil
    38  	}
    39  
    40  	e.IsMortalEra = true
    41  
    42  	second, err := decoder.ReadOneByte()
    43  	if err != nil {
    44  		return err
    45  	}
    46  
    47  	e.AsMortalEra = MortalEra{first, second}
    48  
    49  	return nil
    50  }
    51  
    52  func (e ExtrinsicEra) Encode(encoder scale.Encoder) error {
    53  	if e.IsImmortalEra {
    54  		return encoder.PushByte(0)
    55  	}
    56  
    57  	err := encoder.PushByte(e.AsMortalEra.First)
    58  	if err != nil {
    59  		return err
    60  	}
    61  
    62  	err = encoder.PushByte(e.AsMortalEra.Second)
    63  	if err != nil {
    64  		return err
    65  	}
    66  
    67  	return nil
    68  }
    69  
    70  // MortalEra for an extrinsic, indicating period and phase
    71  type MortalEra struct {
    72  	First  byte
    73  	Second byte
    74  }