github.com/electroneum/electroneum-sc@v0.0.0-20230105223411-3bc1d078281e/consensus/istanbul/backend/emission_test.go (about)

     1  // Copyright 2017 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package backend
    18  
    19  import (
    20  	"math/big"
    21  	"testing"
    22  
    23  	"github.com/electroneum/electroneum-sc/common"
    24  	"github.com/electroneum/electroneum-sc/core/rawdb"
    25  )
    26  
    27  func TestEmissionSaveAndLoad(t *testing.T) {
    28  	emission := &Emission{
    29  		Number:            10,
    30  		Hash:              common.HexToHash("1234567890"),
    31  		CirculatingSupply: big.NewInt(2e+18),
    32  	}
    33  	db := rawdb.NewMemoryDatabase()
    34  	err := emission.store(db)
    35  	if err != nil {
    36  		t.Errorf("store emission snapshot failed: %v", err)
    37  	}
    38  
    39  	emission1, err := loadEmission(emission.Hash, db)
    40  	if err != nil {
    41  		t.Errorf("load emission snapshot failed: %v", err)
    42  	}
    43  	if emission.Number != emission1.Number {
    44  		t.Errorf("block number mismatch: have %v, want %v", emission1.Number, emission.Number)
    45  	}
    46  	if emission.Hash != emission1.Hash {
    47  		t.Errorf("hash mismatch: have %v, want %v", emission1.Hash, emission.Hash)
    48  	}
    49  }