luxorlabs / sia-blockchain-explorer Goto Github PK

At 0 confirmations for new blocks, the explorer correctly shows "0"

But after 0 confirmations, it shows "Unknown" as follows:

http://explore.sia.tech/block/0

panic: runtime error: invalid memory address or nil pointer dereference
goroutine 2025553 [running]:
bufio.(*Writer).WriteString(0x0, 0xc4202b1620, 0x11, 0x11, 0xf33100, 0xf15220)
/usr/lib/go-1.8/src/bufio/bufio.go:664 +0x41
net/http.(*chunkWriter).writeHeader(0xc42e095c38, 0xc428ef2000, 0x54792, 0x5d8f3)
/usr/lib/go-1.8/src/net/http/server.go:1382 +0x91d
net/http.(*chunkWriter).Write(0xc42e095c38, 0xc428ef2000, 0x54792, 0x5d8f3, 0x0, 0xc42e095c40, 0xc42013cc70)
/usr/lib/go-1.8/src/net/http/server.go:347 +0x32a
bufio.(*Writer).Write(0xc42add03c0, 0xc428ef2000, 0x54792, 0x5d8f3, 0x0, 0xb21960, 0xc42cc75540)
/usr/lib/go-1.8/src/bufio/bufio.go:598 +0x15f
net/http.(*response).write(0xc42e095c00, 0x54792, 0xc428ef2000, 0x54792, 0x5d8f3, 0x0, 0x0, 0xc420a8f600, 0x1, 0x54791)
/usr/lib/go-1.8/src/net/http/server.go:1525 +0x150
net/http.(*response).Write(0xc42e095c00, 0xc428ef2000, 0x54792, 0x5d8f3, 0x0, 0x0, 0xc4220e8088)
/usr/lib/go-1.8/src/net/http/server.go:1495 +0x64
encoding/json.(*Encoder).Encode(0xc42cc75670, 0xa4e680, 0xc422ac4ae0, 0xe04fa0, 0xc42e095c00)
/usr/lib/go-1.8/src/encoding/json/stream.go:218 +0x1ef
github.com/NebulousLabs/Sia/api.WriteJSON(0xe0b120, 0xc42e095c00, 0xa4e680, 0xc422ac4ae0)
/home/luxor/Go/src/github.com/NebulousLabs/Sia/api/api.go:356 +0x10e
github.com/NebulousLabs/Sia/api.(*API).explorerHandler(0xc4200d0180, 0xe0b120, 0xc42e095c00, 0xc431081000, 0x0, 0x0, 0x0)
/home/luxor/Go/src/github.com/NebulousLabs/Sia/api/explorer.go:505 +0x22c
github.com/NebulousLabs/Sia/api.RequireUserAgent.func1(0xe0b120, 0xc42e095c00, 0xc431081000)
/home/luxor/Go/src/github.com/NebulousLabs/Sia/api/api.go:100 +0xba
github.com/NebulousLabs/Sia/api.cleanCloseHandler.func1.1(0xc4257a1620, 0xe06360, 0xc