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rpcsrv: return empty set from findstates when there is no data

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Fix #2863.
This commit is contained in:
Roman Khimov 2023-01-11 11:21:58 +03:00
parent 5ad1fcd321
commit 9718602ce3
2 changed files with 16 additions and 3 deletions
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4
pkg/services/rpcsrv/server.go
View file

@ -1541,8 +1541,8 @@ func (s *Server) findStates(ps params.Params) (interface{}, *neorpc.Error) {
} }
pKey := makeStorageKey(cs.ID, prefix) pKey := makeStorageKey(cs.ID, prefix)
kvs, err := s.chain.GetStateModule().FindStates(root, pKey, key, count+1) // +1 to define result truncation kvs, err := s.chain.GetStateModule().FindStates(root, pKey, key, count+1) // +1 to define result truncation
if err != nil { if err != nil && !errors.Is(err, mpt.ErrNotFound) {
return nil, neorpc.NewInternalServerError(fmt.Sprintf("failed to find historical items: %s", err)) return nil, neorpc.NewInternalServerError(fmt.Sprintf("failed to find state items: %s", err))
} }
res := result.FindStates{} res := result.FindStates{}
if len(kvs) == count+1 { if len(kvs) == count+1 {

13
pkg/services/rpcsrv/server_test.go
View file

@ -2123,7 +2123,9 @@ func testRPCProtocol(t *testing.T, doRPCCall func(string, string, *testing.T) []
require.NoError(t, json.Unmarshal(rawRes, vp)) require.NoError(t, json.Unmarshal(rawRes, vp))
require.Equal(t, value, vp.Value) require.Equal(t, value, vp.Value)
} }
if len(actual.Results) > 0 {
checkProof(t, actual.FirstProof, actual.Results[0].Value) checkProof(t, actual.FirstProof, actual.Results[0].Value)
}
if len(actual.Results) > 1 { if len(actual.Results) > 1 {
checkProof(t, actual.LastProof, actual.Results[len(actual.Results)-1].Value) checkProof(t, actual.LastProof, actual.Results[len(actual.Results)-1].Value)
} }
@ -2157,6 +2159,17 @@ func testRPCProtocol(t *testing.T, doRPCCall func(string, string, *testing.T) []
Truncated: false, Truncated: false,
}) })
}) })
t.Run("good: empty prefix, no limit, no data", func(t *testing.T) {
// empty prefix should be considered as no prefix specified.
root, err := e.chain.GetStateModule().GetStateRoot(20)
require.NoError(t, err)
stdHash, _ := e.chain.GetNativeContractScriptHash(nativenames.StdLib) // It has no data.
params := fmt.Sprintf(`"%s", "%s", ""`, root.Root.StringLE(), stdHash.StringLE())
testFindStates(t, params, root.Root, result.FindStates{
Results: []result.KeyValue{},
Truncated: false,
})
})
t.Run("good: with prefix, no limit", func(t *testing.T) { t.Run("good: with prefix, no limit", func(t *testing.T) {
// pairs for this test where put to the contract storage at block #16 // pairs for this test where put to the contract storage at block #16
root, err := e.chain.GetStateModule().GetStateRoot(16) root, err := e.chain.GetStateModule().GetStateRoot(16)