github.com/stafiprotocol/go-substrate-rpc-client@v1.4.7/types/ucompact.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 (
    20  	"math/big"
    21  
    22  	"github.com/stafiprotocol/go-substrate-rpc-client/pkg/scale"
    23  )
    24  
    25  type UCompact big.Int
    26  
    27  func NewUCompact(value *big.Int) UCompact {
    28  	return UCompact(*value)
    29  }
    30  
    31  func NewUCompactFromUInt(value uint64) UCompact {
    32  	return NewUCompact(new(big.Int).SetUint64(value))
    33  }
    34  
    35  func (u *UCompact) Decode(decoder scale.Decoder) error {
    36  	ui, err := decoder.DecodeUintCompact()
    37  	if err != nil {
    38  		return err
    39  	}
    40  
    41  	*u = UCompact(*ui)
    42  	return nil
    43  }
    44  
    45  func (u UCompact) Encode(encoder scale.Encoder) error {
    46  	err := encoder.EncodeUintCompact(big.Int(u))
    47  	if err != nil {
    48  		return err
    49  	}
    50  	return nil
    51  }