fix: header variable was shadowed

Signed-off-by: hunjixin <[email protected]>

go.sum

@@ -121,8 +121,6 @@ github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2/go.mod h1:SqUrOPUn
 github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
 github.com/dominant-strategies/bn256 v0.0.0-20220930122411-fbf930a7493d h1:hkL13khTTS48QfWmjRFWpuzhOqu6S0cjpJOzPoBEDb4=
 github.com/dominant-strategies/bn256 v0.0.0-20220930122411-fbf930a7493d/go.mod h1:nvtPJPChairu4o4iX2XGrstOFpLaAgNYhrUCl5bSng4=
-github.com/dominant-strategies/go-quai v0.13.0-rc.0 h1:aZpS8S8KF9N9S7zagdfLMegWmp+sFSXjFuaQtWeFO/g=
-github.com/dominant-strategies/go-quai v0.13.0-rc.0/go.mod h1:LQ/o4Mrx1YV/4TJK2o3fKuJIx811LpirNCk1FrrxkTQ=
 github.com/dominant-strategies/go-quai v0.15.0-rc.0 h1:lfrmmSEr8KImBwY719N6LDKwVZXNY2w8U5ocYEsOpvU=
 github.com/dominant-strategies/go-quai v0.15.0-rc.0/go.mod h1:LQ/o4Mrx1YV/4TJK2o3fKuJIx811LpirNCk1FrrxkTQ=
 github.com/dominant-strategies/go-quai-stratum v0.1.1-0.20230411175350-8a5f55caee55 h1:TDyOiTSueb5XoQhGFK57dZZkEsQGpzGhk7ppSC9YIV0=

main.go

@@ -266,23 +266,22 @@ func (m *Miner) miningLoop() error {
 	for {
 		select {
 		case newHead := <-m.updateCh:
-
 			if header != nil && newHead.SealHash() == header.SealHash() {
 				continue
 			}
 
-			header := newHead
+			header = newHead
 			m.miningWorkRefresh.Reset(miningWorkRefreshRate)
 			// Mine the header here
 			// Return the valid header with proper nonce and mix digest
 			// Interrupt previous sealing operation
 			interrupt()
 			stopCh = make(chan struct{})
 			number := [common.HierarchyDepth]uint64{header.NumberU64(common.PRIME_CTX), header.NumberU64(common.REGION_CTX), header.NumberU64(common.ZONE_CTX)}
-			primeStr := fmt.Sprint(number[common.PRIME_CTX])
-			regionStr := fmt.Sprint(number[common.REGION_CTX])
-			zoneStr := fmt.Sprint(number[common.ZONE_CTX])
 			if number != m.previousNumber {
+				primeStr := fmt.Sprint(number[common.PRIME_CTX])
+				regionStr := fmt.Sprint(number[common.REGION_CTX])
+				zoneStr := fmt.Sprint(number[common.ZONE_CTX])
 				if number[common.PRIME_CTX] != m.previousNumber[common.PRIME_CTX] {
 					primeStr = color.Ize(color.Red, primeStr)
 					regionStr = color.Ize(color.Red, regionStr)