Memory dereference during server query

[filippos47]

Version: v0.8.0

time="2024-10-17T08:30:01Z" level=info msg="E[2024-10-17|08:30:01.208] panic in RPC HTTP handler                    err=\"runtime error: invalid memory address or nil pointer dereference\" stack=\"goroutine 9357 [running]:\\nruntime/debug.Stack()\\n\\t/usr/local/go/src/runtime/debug/stack.go:24 +0x5e\\ngithub.com/cometbft/cometbft/rpc/jsonrpc/server.Serve.RecoverAndLogHandler.func1.2()\\n\\t/go/pkg/mod/github.com/cometbft/cometbft@v0.38.7/rpc/jsonrpc/server/http_server.go:206 +0x557\\npanic({0x3423760?, 0x662aae0?})\\n\\t/usr/local/go/src/runtime/panic.go:770 +0x132\\ngithub.com/babylonlabs-io/btc-staker/stakerdb.(*TrackedTransactionStore).QueryStoredTransactions.func1.1({0x7fad480cdfa0?, 0xc003caf680?, 0xc000fb0800?}, {0x7fad48079038, 0x3d6, 0x3d6})\\n\\t/go/src/github.com/babylonlabs-io/btc-staker/stakerdb/trackedtranactionstore.go:1227 +0xe5\\ngithub.com/babylonlabs-io/btc-staker/stakerdb.paginator.query({{0x7fad480cdfa0, 0xc003caf680}, 0x0, 0x0, 0x64}, 0xc00238ea00)\\n\\t/go/src/github.com/babylonlabs-io/btc-staker/stakerdb/paginator.go:129 +0xa5\\ngithub.com/babylonlabs-io/btc-staker/stakerdb.(*TrackedTransactionStore).QueryStoredTransactions.func1({0x44f6c70, 0xc0020086f8})\\n\\t/go/src/github.com/babylonlabs-io/btc-staker/stakerdb/trackedtranactionstore.go:1253 +0x21e\\ngithub.com/btcsuite/btcwallet/walletdb/bdb.(*db).View(0xc0011fe6c8, 0xc0027a4210, 0x0?)\\n\\t/go/pkg/mod/github.com/btcsuite/btcwallet/walletdb@v1.4.0/bdb/db.go:392 +0x9e\\ngithub.com/babylonlabs-io/btc-staker/stakerdb.(*TrackedTransactionStore).QueryStoredTransactions(0xc001367e10, {0xc003caf601?, 0xc000fb0b68?, 0x87?, 0xc003cb3578?})\\n\\t/go/src/github.com/babylonlabs-io/btc-staker/stakerdb/trackedtranactionstore.go:1174 +0x113\\ngithub.com/babylonlabs-io/btc-staker/staker.(*StakerApp).WithdrawableTransactions(0xc00286a000, 0x0?, 0xc000fb0ba8?)\\n\\t/go/src/github.com/babylonlabs-io/btc-staker/staker/stakerapp.go:1907 +0x8f\\ngithub.com/babylonlabs-io/btc-staker/stakerservice.(*StakerService).withdrawableTransactions(0xc002801830, 0x0?, 0xc0003d38c0?, 0x3?)\\n\\t/go/src/github.com/babylonlabs-io/btc-staker/stakerservice/service.go:291 +0x50\\nreflect.Value.call({0x34378c0?, 0xc00081bac0?, 0x3a16760?}, {0x3a2d9dc, 0x4}, {0xc00372f040, 0x3, 0x3?})\\n\\t/usr/local/go/src/reflect/value.go:596 +0xca6\\nreflect.Value.Call({0x34378c0?, 0xc00081bac0?, 0x1c?}, {0xc00372f040?, 0x3a16760?, 0x0?})\\n\\t/usr/local/go/src/reflect/value.go:380 +0xb9\\ngithub.com/cometbft/cometbft/rpc/jsonrpc/server.RegisterRPCFuncs.makeJSONRPCHandler.func3({0x44ee0b0, 0xc003e85ea8}, 0xc0028959e0)\\n\\t/go/pkg/mod/github.com/cometbft/cometbft@v0.38.7/rpc/jsonrpc/server/http_json_handler.go:108 +0xce6\\ngithub.com/cometbft/cometbft/rpc/jsonrpc/server.RegisterRPCFuncs.handleInvalidJSONRPCPaths.func4({0x44ee0b0?, 0xc003e85ea8?}, 0x40?)\\n\\t/go/pkg/mod/github.com/cometbft/cometbft@v0.38.7/rpc/jsonrpc/server/http_json_handler.go:140 +0x42\\nnet/http.HandlerFunc.ServeHTTP(0xc00288ef70?, {0x44ee0b0?, 0xc003e85ea8?}, 0xc0000ad990?)\\n\\t/usr/local/go/src/net/http/server.go:2166 +0x29\\nnet/http.(*ServeMux).ServeHTTP(0x0?, {0x44ee0b0, 0xc003e85ea8}, 0xc0028959e0)\\n\\t/usr/local/go/src/net/http/server.go:2683 +0x1ad\\ngithub.com/cometbft/cometbft/rpc/jsonrpc/server.maxBytesHandler.ServeHTTP({{0x44d0680?, 0xc00288ef70?}, 0xd?}, {0x44ee0b0, 0xc003e85ea8}, 0xc0028959e0)\\n\\t/go/pkg/mod/github.com/cometbft/cometbft@v0.38.7/rpc/jsonrpc/server/http_server.go:256 +0xfb\\ngithub.com/cometbft/cometbft/rpc/jsonrpc/server.Serve.RecoverAndLogHandler.func1({0x44ed2d0, 0xc00116c620}, 0xc0028959e0)\\n\\t/go/pkg/mod/github.com/cometbft/cometbft@v0.38.7/rpc/jsonrpc/server/http_server.go:229 +0x26c\\nnet/http.HandlerFunc.ServeHTTP(0x414805?, {0x44ed2d0?, 0xc00116c620?}, 0xc00116c601?)\\n\\t/usr/local/go/src/net/http/server.go:2166 +0x29\\nnet/http.serverHandler.ServeHTTP({0x44e5118?}, {0x44ed2d0?, 0xc00116c620?}, 0x6?)\\n\\t/usr/local/go/src/net/http/server.go:3137 +0x8e\\nnet/http.(*conn).serve(0xc001ecaa20, {0x4516658, 0xc003133020})\\n\\t/usr/local/go/src/net/http/server.go:2039 +0x5e8\\ncreated by net/http.(*Server).Serve in goroutine 387\\n\\t/usr/local/go/src/net/http/server.go:3285 +0x4b4\\n\""
time="2024-10-17T08:30:01Z" level=info msg="D[2024-10-17|08:30:01.209] served RPC HTTP response                     method=POST url=/ status=500 duration=0 remoteAddr=10.100.75.38:46818"

While I don't know for sure which server command was executed at that point, it probably happened while trying to create a staking tx.