Store accessor upstream changes (#5119)

* Store accessor upstream changes (#5119)
cosmos · Oct 1, 2019 · 21bd8d0 · 21bd8d0
1 parent 828badd
commit 21bd8d0
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diff --git a/store/state/enum.go b/store/state/enum.go
@@ -56,5 +56,8 @@ func (v Enum) Transit(ctx Context, from, to byte) bool {
 // Query() retrives state value and proof from a queryable reference
 func (v Enum) Query(q ABCIQuerier) (res byte, proof *Proof, err error) {
 	value, proof, err := v.Value.QueryRaw(q)
+	if err != nil {
+		return
+	}
 	return value[0], proof, err
 }
diff --git a/store/state/integer.go b/store/state/integer.go
@@ -58,6 +58,10 @@ func (v Integer) Query(q ABCIQuerier) (res uint64, proof *Proof, err error) {
 	if err != nil {
 		return
 	}
+	if value == nil {
+		res = 0
+		return
+	}
 	res, err = DecodeInt(value, v.enc)
 	return
 }