snail pool fruits too hight when download not finish

[BiyunZeng]

INFO [06-19|10:43:45.928] node is not committee member committeeId=47
TRACE[06-19|10:43:45.929] addLocalFruits number=1419665 diff=265911946 pointer=12154
DEBUG[06-19|10:43:45.929] get lru for dataset epoch=1
DEBUG[06-19|10:43:45.930] creat a new futrue dataset epoch is =2
INFO [06-19|10:43:45.930] create a new dateset epoch=2
ERROR[06-19|10:43:46.126] getDataset function getHead hash fail blockNum is: =8635
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x10 pc=0xa5e853]

goroutine 1 [running]:
github.com/truechain/truechain-engineering-code/consensus/minerva.(*Minerva).VerifySnailSeal(0xc42575e240, 0x1292920, 0xc478710000, 0xc450e9f2c0, 0x1107901, 0xc44c40c000, 0x1292920)
/root/gopath/src/github.com/truechain/truechain-engineering-code/build/_workspace/src/github.com/truechain/truechain-engineering-code/consensus/minerva/consensus.go:677 +0x1a3
github.com/truechain/truechain-engineering-code/core/snailchain.(*BlockValidator).VerifySnailSeal(0xc46dddade0, 0x1292920, 0xc478710000, 0xc450e9f2c0, 0xc478710001, 0x3a57759308bc8587, 0xe01c33baaae45733)
/root/gopath/src/github.com/truechain/truechain-engineering-code/build/_workspace/src/github.com/truechain/truechain-engineering-code/core/snailchain/block_validator.go:164 +0x5a
github.com/truechain/truechain-engineering-code/core/snailchain.(*SnailPool).validateFruit(0xc478707b00, 0xc4496da280, 0xc43fe7f6e0, 0x6)
/root/gopath/src/github.com/truechain/truechain-engineering-code/build/_workspace/src/github.com/truechain/truechain-engineering-code/core/snailchain/snail_pool.go:710 +0xae7
github.com/truechain/truechain-engineering-code/core/snailchain.(*SnailPool).addLocalFruits(0xc478707b00, 0xc473d9a800, 0x59, 0x80, 0xc44cdafe80, 0x10b46e0, 0xc4512f3a40)
/root/gopath/src/github.com/truechain/truechain-engineering-code/build/_workspace/src/github.com/truechain/truechain-engineering-code/core/snailchain/snail_pool.go:632 +0x4d6
github.com/truechain/truechain-engineering-code/core/snailchain.(*SnailPool).AddLocals(0xc478707b00, 0xc473d9a800, 0x59, 0x80, 0x16, 0x129a4c0, 0x10f1d60)
/root/gopath/src/github.com/truechain/truechain-engineering-code/build/_workspace/src/github.com/truechain/truechain-engineering-code/core/snailchain/snail_pool.go:649 +0x49
github.com/truechain/truechain-engineering-code/core/snailchain.(*SnailPool).AddLocals-fm(0xc473d9a800, 0x59, 0x80, 0xc453a49670, 0xc453a49678, 0xc4512f3a01)
/root/gopath/src/github.com/truechain/truechain-engineering-code/build/_workspace/src/github.com/truechain/truechain-engineering-code/core/snailchain/snail_pool.go:190 +0x48
github.com/truechain/truechain-engineering-code/core/snailchain.(*snailJournal).load.func2(0xc473d9a800, 0x59, 0x80)
/root/gopath/src/github.com/truechain/truechain-engineering-code/build/_workspace/src/github.com/truechain/truechain-engineering-code/core/snailchain/snail_journal.go:84 +0x56
github.com/truechain/truechain-engineering-code/core/snailchain.(*snailJournal).load(0xc452dccb60, 0xc453a49798, 0x0, 0x0)
/root/gopath/src/github.com/truechain/truechain-engineering-code/build/_workspace/src/github.com/truechain/truechain-engineering-code/core/snailchain/snail_journal.go:103 +0x50d
github.com/truechain/truechain-engineering-code/core/snailchain.(*SnailPool).Start(0xc478707b00)
/root/gopath/src/github.com/truechain/truechain-engineering-code/build/_workspace/src/github.com/truechain/truechain-engineering-code/core/snailchain/snail_pool.go:190 +0xb8
github.com/truechain/truechain-engineering-code/etrue.(*Truechain).Start(0xc420270500, 0xc425768000, 0xc453a49a68, 0x1)
/root/gopath/src/github.com/truechain/truechain-engineering-code/build/_workspace/src/github.com/truechain/truechain-engineering-code/etrue/backend.go:516 +0x239
github.com/truechain/truechain-engineering-code/node.(*Node).Start(0xc42574e280, 0x0, 0x0)
/root/gopath/src/github.com/truechain/truechain-engineering-code/build/_workspace/src/github.com/truechain/truechain-engineering-code/node/node.go:226 +0xa9b
github.com/truechain/truechain-engineering-code/cmd/utils.StartNode(0xc42574e280)
/root/gopath/src/github.com/truechain/truechain-engineering-code/build/_workspace/src/github.com/truechain/truechain-engineering-code/cmd/utils/cmd.go:67 +0x2f
main.startNode(0xc420282840, 0xc42574e280)
/root/gopath/src/github.com/truechain/truechain-engineering-code/build/_workspace/src/github.com/truechain/truechain-engineering-code/cmd/getrue/main.go:252 +0x81
main.getrue(0xc420282840, 0x0, 0x0)
/root/gopath/src/github.com/truechain/truechain-engineering-code/build/_workspace/src/github.com/truechain/truechain-engineering-code/cmd/getrue/main.go:240 +0x43
github.com/truechain/truechain-engineering-code/vendor/gopkg.in/urfave/cli%2ev1.HandleAction(0xf5bf80, 0x1163850, 0xc420282840, 0xc420282840, 0xc424bdbf48)
/root/gopath/src/github.com/truechain/truechain-engineering-code/build/_workspace/src/github.com/truechain/truechain-engineering-code/vendor/gopkg.in/urfave/cli.v1/app.go:490 +0xc8
github.com/truechain/truechain-engineering-code/vendor/gopkg.in/urfave/cli%2ev1.(*App).Run(0xc42026f6c0, 0xc420030100, 0x10, 0x10, 0x0, 0x0)
/root/gopath/src/github.com/truechain/truechain-engineering-code/build/_workspace/src/github.com/truechain/truechain-engineering-code/vendor/gopkg.in/urfave/cli.v1/app.go:264 +0x5ee
main.main()
/root/gopath/src/github.com/truechain/truechain-engineering-code/build/_workspace/src/github.com/truechain/truechain-engineering-code/cmd/getrue/main.go:229 +0x55