57 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			57 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| package test
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| 
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| import (
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| 	"context"
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| 	"fmt"
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| 	"sync/atomic"
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| 	"testing"
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| 	"time"
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| 
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| 	"github.com/filecoin-project/go-state-types/abi"
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| 	"github.com/filecoin-project/lotus/miner"
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| )
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| 
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| type BlockMiner struct {
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| 	ctx       context.Context
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| 	t         *testing.T
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| 	miner     TestStorageNode
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| 	blocktime time.Duration
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| 	mine      int64
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| 	nulls     int64
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| 	done      chan struct{}
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| }
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| 
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| func NewBlockMiner(ctx context.Context, t *testing.T, miner TestStorageNode, blocktime time.Duration) *BlockMiner {
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| 	return &BlockMiner{
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| 		ctx:       ctx,
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| 		t:         t,
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| 		miner:     miner,
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| 		blocktime: blocktime,
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| 		mine:      int64(1),
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| 		done:      make(chan struct{}),
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| 	}
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| }
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| 
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| func (bm *BlockMiner) MineBlocks() {
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| 	time.Sleep(time.Second)
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| 	go func() {
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| 		defer close(bm.done)
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| 		for atomic.LoadInt64(&bm.mine) == 1 {
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| 			time.Sleep(bm.blocktime)
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| 			nulls := atomic.SwapInt64(&bm.nulls, 0)
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| 			if err := bm.miner.MineOne(bm.ctx, miner.MineReq{
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| 				InjectNulls: abi.ChainEpoch(nulls),
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| 				Done:        func(bool, abi.ChainEpoch, error) {},
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| 			}); err != nil {
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| 				bm.t.Error(err)
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| 			}
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| 		}
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| 	}()
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| }
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| 
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| func (bm *BlockMiner) Stop() {
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| 	atomic.AddInt64(&bm.mine, -1)
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| 	fmt.Println("shutting down mining")
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| 	<-bm.done
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| }
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