github.com/stafiprotocol/go-substrate-rpc-client@v1.4.7/types/usize.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  	"encoding/json"
    21  )
    22  
    23  // Deprecated: USize is a system default unsigned number, typically used in RPC to report non-consensus
    24  // data. It is a wrapper for [[U32]] as a WASM default (as generated by Rust bindings).
    25  // It is not to be used, since it created consensus mismatches.
    26  type USize uint32
    27  
    28  // UnmarshalJSON fills u with the JSON encoded byte array given by b
    29  func (u *USize) UnmarshalJSON(b []byte) error {
    30  	var tmp uint32
    31  	if err := json.Unmarshal(b, &tmp); err != nil {
    32  		return err
    33  	}
    34  	*u = USize(tmp)
    35  	return nil
    36  }
    37  
    38  // MarshalJSON returns a JSON encoded byte array of u
    39  func (u USize) MarshalJSON() ([]byte, error) {
    40  	return json.Marshal(uint32(u))
    41  }