diff --git a/proto/umee/oracle/v1/oracle.proto b/proto/umee/oracle/v1/oracle.proto
index 4be9638810..8cecd4a33b 100644
--- a/proto/umee/oracle/v1/oracle.proto
+++ b/proto/umee/oracle/v1/oracle.proto
@@ -147,7 +147,8 @@ message AvgCounter {
 
 // ExchangeRate stores exchange rate with timestamp
 message ExchangeRate {
-  option (gogoproto.equal) = false;
+  option (gogoproto.equal)            = false;
+  option (gogoproto.goproto_stringer) = false;
 
   string rate = 1 [
     (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec",
diff --git a/x/oracle/types/oracle.pb.go b/x/oracle/types/oracle.pb.go
index 3d4e34f595..4d51ad8e5b 100644
--- a/x/oracle/types/oracle.pb.go
+++ b/x/oracle/types/oracle.pb.go
@@ -336,9 +336,8 @@ type ExchangeRate struct {
 	Timestamp time.Time                              `protobuf:"bytes,3,opt,name=timestamp,proto3,stdtime" json:"timestamp"`
 }
 
-func (m *ExchangeRate) Reset()         { *m = ExchangeRate{} }
-func (m *ExchangeRate) String() string { return proto.CompactTextString(m) }
-func (*ExchangeRate) ProtoMessage()    {}
+func (m *ExchangeRate) Reset()      { *m = ExchangeRate{} }
+func (*ExchangeRate) ProtoMessage() {}
 func (*ExchangeRate) Descriptor() ([]byte, []int) {
 	return fileDescriptor_8893c9e0e94ceb54, []int{7}
 }
@@ -383,75 +382,75 @@ func init() {
 func init() { proto.RegisterFile("umee/oracle/v1/oracle.proto", fileDescriptor_8893c9e0e94ceb54) }
 
 var fileDescriptor_8893c9e0e94ceb54 = []byte{
-	// 1077 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xa4, 0x56, 0xbd, 0x6f, 0x1c, 0x45,
-	0x14, 0xbf, 0xc5, 0x1f, 0xb9, 0x9b, 0xb3, 0x13, 0x7b, 0x7d, 0x86, 0x8b, 0x8d, 0x6e, 0x9d, 0x45,
-	0x04, 0x17, 0x64, 0x8f, 0x38, 0x7c, 0x88, 0xab, 0xc8, 0x62, 0x42, 0x93, 0x48, 0xd6, 0xc6, 0x0a,
-	0x12, 0xcd, 0x6a, 0x6e, 0x77, 0xbc, 0x37, 0xf2, 0xee, 0xce, 0x69, 0x66, 0xf6, 0x6c, 0x37, 0xd4,
-	0x54, 0x28, 0x65, 0x0a, 0x8a, 0x54, 0x14, 0x74, 0x20, 0xfe, 0x08, 0x97, 0x29, 0x11, 0xc5, 0x06,
-	0xec, 0x06, 0x51, 0xa1, 0xfb, 0x0b, 0xd0, 0x7c, 0xec, 0xdd, 0x5c, 0x6c, 0x21, 0x4c, 0xaa, 0xdb,
-	0x37, 0xbf, 0xf9, 0xbd, 0xf7, 0x7b, 0x6f, 0xde, 0x7b, 0x3a, 0xb0, 0x59, 0x64, 0x08, 0x75, 0x09,
-	0x85, 0x51, 0x8a, 0xba, 0xa3, 0xbb, 0xfa, 0xcb, 0x1b, 0x52, 0xc2, 0x89, 0x7d, 0x5d, 0x80, 0x9e,
-	0x3e, 0x1a, 0xdd, 0xdd, 0x68, 0x25, 0x24, 0x21, 0x12, 0xea, 0x8a, 0x2f, 0x75, 0x6b, 0xc3, 0x49,
-	0x08, 0x49, 0x52, 0xd4, 0x95, 0x56, 0xbf, 0x38, 0xe8, 0x72, 0x9c, 0x21, 0xc6, 0x61, 0x36, 0xd4,
-	0x17, 0x3a, 0xaf, 0x5e, 0x88, 0x0b, 0x0a, 0x39, 0x26, 0xb9, 0xc2, 0xdd, 0xf2, 0x1a, 0x58, 0xdc,
-	0x83, 0x14, 0x66, 0xcc, 0xfe, 0x04, 0x34, 0x47, 0x84, 0xa3, 0x70, 0x88, 0x28, 0x26, 0x71, 0xdb,
-	0xda, 0xb2, 0xb6, 0xe7, 0xfd, 0x37, 0xc7, 0xa5, 0x63, 0x9f, 0xc0, 0x2c, 0xed, 0xb9, 0x06, 0xe8,
-	0x06, 0x40, 0x58, 0x7b, 0xd2, 0xb0, 0x73, 0x70, 0x5d, 0x62, 0x7c, 0x40, 0x11, 0x1b, 0x90, 0x34,
-	0x6e, 0xbf, 0xb1, 0x65, 0x6d, 0x37, 0xfc, 0x2f, 0x4f, 0x4b, 0xa7, 0xf6, 0x5b, 0xe9, 0xdc, 0x4e,
-	0x30, 0x1f, 0x14, 0x7d, 0x2f, 0x22, 0x59, 0x37, 0x22, 0x2c, 0x23, 0x4c, 0xff, 0xdc, 0x61, 0xf1,
-	0x61, 0x97, 0x9f, 0x0c, 0x11, 0xf3, 0x76, 0x51, 0x34, 0x2e, 0x9d, 0x75, 0x23, 0xd2, 0xc4, 0x9b,
-	0x1b, 0x2c, 0x8b, 0x83, 0xfd, 0xca, 0xb6, 0x11, 0x68, 0x52, 0x74, 0x04, 0x69, 0x1c, 0xf6, 0x61,
-	0x1e, 0xb7, 0xe7, 0x64, 0xb0, 0xdd, 0x2b, 0x07, 0xd3, 0x69, 0x19, 0xae, 0xdc, 0x00, 0x28, 0xcb,
-	0x87, 0x79, 0x6c, 0x47, 0x60, 0x43, 0x63, 0x31, 0x66, 0x9c, 0xe2, 0x7e, 0x21, 0xea, 0x16, 0x1e,
-	0xe1, 0x3c, 0x26, 0x47, 0xed, 0x79, 0x59, 0x9e, 0x77, 0xc7, 0xa5, 0x73, 0x6b, 0xc6, 0xcf, 0x25,
-	0x77, 0xdd, 0xa0, 0xad, 0xc0, 0x5d, 0x03, 0xfb, 0x4a, 0x42, 0x76, 0x08, 0x9a, 0x30, 0x8a, 0xd0,
-	0x90, 0x87, 0x29, 0x66, 0xbc, 0xbd, 0xb0, 0x35, 0xb7, 0xdd, 0xdc, 0x59, 0xf7, 0x66, 0x1f, 0xdf,
-	0xdb, 0x45, 0x39, 0xc9, 0xfc, 0xf7, 0x44, 0x8a, 0x53, 0xe1, 0x06, 0xcf, 0xfd, 0xf1, 0xa5, 0xd3,
-	0x90, 0x97, 0x1e, 0x62, 0xc6, 0x03, 0xa0, 0x20, 0xf1, 0x2d, 0x1e, 0x87, 0xa5, 0x90, 0x0d, 0xc2,
-	0x03, 0x0a, 0x23, 0x11, 0xb8, 0xbd, 0xf8, 0x7a, 0x8f, 0x33, 0xeb, 0xcd, 0x0d, 0x96, 0xe5, 0xc1,
-	0x03, 0x6d, 0xdb, 0x3d, 0xb0, 0xa4, 0x6e, 0xe8, 0x3a, 0x5d, 0x93, 0x75, 0x7a, 0x6b, 0x5c, 0x3a,
-	0x6b, 0x26, 0xbf, 0xaa, 0x4c, 0x53, 0x9a, 0xba, 0x18, 0xdf, 0x80, 0x56, 0x86, 0xf3, 0x70, 0x04,
-	0x53, 0x1c, 0x8b, 0x4e, 0xab, 0x7c, 0xd4, 0xa5, 0xe2, 0x47, 0x57, 0x56, 0xbc, 0xa9, 0x22, 0x5e,
-	0xe6, 0xd3, 0x0d, 0x56, 0x33, 0x9c, 0x3f, 0x11, 0xa7, 0x7b, 0x88, 0xea, 0xf8, 0x3b, 0x60, 0x7d,
-	0x80, 0x19, 0x27, 0x14, 0x47, 0xa1, 0x1c, 0xa2, 0x6a, 0x16, 0x1a, 0x22, 0x89, 0x60, 0xad, 0x02,
-	0x1f, 0x0b, 0x4c, 0x37, 0xbf, 0x07, 0xd6, 0x32, 0x14, 0x63, 0x98, 0xcf, 0x32, 0x80, 0x64, 0xac,
-	0x2a, 0xc8, 0xbc, 0xff, 0x01, 0x68, 0x65, 0xf0, 0x18, 0x67, 0x45, 0x16, 0x0e, 0x29, 0x8e, 0x90,
-	0xa2, 0xb1, 0x76, 0x53, 0x12, 0x6c, 0x8d, 0xed, 0x09, 0x48, 0xd2, 0x98, 0x50, 0x55, 0x31, 0xcc,
-	0x48, 0xac, 0xbd, 0xa4, 0x54, 0x69, 0xf0, 0xd1, 0x34, 0x14, 0xeb, 0xd5, 0x9f, 0x3d, 0x77, 0x6a,
-	0x7f, 0x3e, 0x77, 0x2c, 0xf7, 0x6f, 0x0b, 0xac, 0xdc, 0x1f, 0x25, 0x9f, 0x93, 0x22, 0xe7, 0x88,
-	0xea, 0x51, 0x27, 0x00, 0xc0, 0x51, 0x62, 0x4e, 0x7a, 0x73, 0xe7, 0xa6, 0xa7, 0x56, 0x85, 0x57,
-	0xad, 0x0a, 0x6f, 0x57, 0xaf, 0x0a, 0xff, 0x23, 0x51, 0xf9, 0xbf, 0x4a, 0xa7, 0x35, 0x25, 0xbd,
-	0x4f, 0x32, 0xcc, 0x51, 0x36, 0xe4, 0x27, 0xe3, 0xd2, 0x59, 0xd5, 0x0d, 0x39, 0x41, 0xdd, 0x67,
-	0x2f, 0x1d, 0x2b, 0x68, 0xc0, 0x51, 0xa2, 0xb3, 0x3e, 0x04, 0xc2, 0x08, 0xd9, 0x00, 0x1f, 0x70,
-	0xb9, 0x1d, 0xfe, 0x35, 0xde, 0x3d, 0x1d, 0x6f, 0x6d, 0xc2, 0x99, 0x09, 0xb7, 0x32, 0x0d, 0x27,
-	0x41, 0x15, 0xad, 0x0e, 0x47, 0xc9, 0x63, 0x69, 0xfe, 0x62, 0x81, 0x05, 0x39, 0x0c, 0xf6, 0x87,
-	0x00, 0xf4, 0x21, 0x43, 0x61, 0x2c, 0x2c, 0x99, 0x67, 0xc3, 0x5f, 0x9f, 0x0a, 0x9e, 0x62, 0x6e,
-	0xd0, 0x10, 0x86, 0x62, 0x89, 0x16, 0x3e, 0xc9, 0xfa, 0x24, 0xd5, 0x3c, 0xb5, 0xcd, 0xcc, 0x16,
-	0x36, 0x50, 0xd1, 0xc2, 0xd2, 0x54, 0xdc, 0x2e, 0xa8, 0xa3, 0xe3, 0x21, 0xc9, 0x51, 0xce, 0xe5,
-	0x62, 0x5a, 0xf6, 0xd7, 0xc6, 0xa5, 0x73, 0x43, 0xf1, 0x2a, 0xc4, 0x0d, 0x26, 0x97, 0x26, 0x2f,
-	0x55, 0x73, 0x7f, 0xb2, 0xc0, 0xdb, 0xf7, 0x93, 0x84, 0xa2, 0x04, 0x72, 0xf4, 0xc5, 0x71, 0x34,
-	0x80, 0x79, 0x82, 0x02, 0xc8, 0xd1, 0x1e, 0x45, 0x62, 0x01, 0xda, 0xef, 0x80, 0xf9, 0x01, 0x64,
-	0x03, 0x9d, 0xc7, 0x8d, 0x71, 0xe9, 0x34, 0x95, 0x5f, 0x71, 0xea, 0x06, 0x12, 0xb4, 0x6f, 0x83,
-	0x05, 0x71, 0x99, 0x6a, 0xd5, 0x2b, 0xe3, 0xd2, 0x59, 0x9a, 0x6e, 0x55, 0xea, 0x06, 0x0a, 0x96,
-	0x49, 0x16, 0xfd, 0x0c, 0xf3, 0xb0, 0x9f, 0x92, 0xe8, 0x50, 0x8a, 0x9d, 0x9d, 0x53, 0x03, 0x15,
-	0x49, 0x4a, 0xd3, 0x17, 0x96, 0xa1, 0xb9, 0xb4, 0xc0, 0xcd, 0x4b, 0x35, 0x3f, 0x11, 0x82, 0xbf,
-	0xb3, 0x40, 0x0b, 0xe9, 0xc3, 0x90, 0x42, 0xb1, 0xd4, 0x8b, 0x61, 0x8a, 0x58, 0xdb, 0x92, 0x6b,
-	0xee, 0xd6, 0xab, 0x6b, 0xce, 0x74, 0xb0, 0x2f, 0x6e, 0xfa, 0x9f, 0xea, 0x95, 0xb7, 0x59, 0x15,
-	0xf0, 0xa2, 0x33, 0xb1, 0xfb, 0xec, 0x0b, 0x4c, 0x16, 0xd8, 0xe8, 0xc2, 0xd9, 0x7f, 0x2d, 0x8e,
-	0x91, 0xe0, 0xcf, 0x16, 0x58, 0xbd, 0xe0, 0x5c, 0xf8, 0x31, 0x5b, 0xca, 0xf0, 0xa3, 0x7b, 0x42,
-	0xc1, 0xf6, 0x21, 0x58, 0x9e, 0x91, 0xac, 0xe3, 0x3e, 0xb8, 0xf2, 0x26, 0x6b, 0x5d, 0x92, 0xbf,
-	0x1b, 0x2c, 0x99, 0x29, 0x1a, 0xa2, 0x7f, 0xb0, 0x00, 0x98, 0xce, 0xbc, 0xfd, 0x19, 0x98, 0x63,
-	0x45, 0xa5, 0xd5, 0xbb, 0x5a, 0xec, 0x40, 0x50, 0xed, 0x15, 0x30, 0x97, 0x17, 0x6a, 0x10, 0x96,
-	0x03, 0xf1, 0x69, 0xf7, 0xc0, 0x02, 0xe3, 0x90, 0xaa, 0x26, 0x6f, 0xee, 0x6c, 0x5c, 0x18, 0xe6,
-	0xfd, 0xea, 0x8f, 0x88, 0x5f, 0x17, 0x11, 0x9f, 0x8a, 0x11, 0x55, 0x94, 0x5e, 0xfd, 0xdb, 0x4a,
-	0xe8, 0xf7, 0x16, 0x58, 0x32, 0xab, 0x6b, 0xfb, 0x60, 0x5e, 0xd6, 0xe9, 0xff, 0x69, 0x95, 0x5c,
-	0xdb, 0x07, 0x8d, 0xc9, 0xbf, 0xa0, 0x2b, 0xc9, 0x9b, 0xd2, 0x7a, 0xf3, 0x42, 0x9e, 0xff, 0xf0,
-	0xf4, 0x8f, 0x4e, 0xed, 0xf4, 0xac, 0x63, 0xbd, 0x38, 0xeb, 0x58, 0xbf, 0x9f, 0x75, 0xac, 0xa7,
-	0xe7, 0x9d, 0xda, 0x8b, 0xf3, 0x4e, 0xed, 0xd7, 0xf3, 0x4e, 0xed, 0x6b, 0xcf, 0x50, 0x25, 0x1a,
-	0xf9, 0x4e, 0x8e, 0xf8, 0x11, 0xa1, 0x87, 0xd2, 0xe8, 0x8e, 0x3e, 0xee, 0x1e, 0x57, 0xff, 0xed,
-	0xa4, 0xc2, 0xfe, 0xa2, 0x0c, 0x7e, 0xef, 0x9f, 0x00, 0x00, 0x00, 0xff, 0xff, 0xe0, 0x09, 0x83,
-	0x48, 0xf7, 0x09, 0x00, 0x00,
+	// 1074 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xa4, 0x56, 0xcd, 0x6f, 0x1b, 0x45,
+	0x14, 0xf7, 0x92, 0x8f, 0xda, 0xe3, 0xa4, 0x4d, 0x36, 0x0e, 0xb8, 0x09, 0xf2, 0xa6, 0x8b, 0x28,
+	0x39, 0xd0, 0x35, 0x4d, 0xf9, 0x10, 0x39, 0xd1, 0x25, 0x94, 0x4b, 0x2b, 0x45, 0xdb, 0xa8, 0x48,
+	0x5c, 0x56, 0xe3, 0xdd, 0xc9, 0x7a, 0x14, 0xef, 0x8e, 0x35, 0x33, 0xeb, 0x24, 0x17, 0xce, 0x9c,
+	0x50, 0x8f, 0x3d, 0xe6, 0xc4, 0x81, 0x1b, 0x88, 0x3f, 0x22, 0xc7, 0x1e, 0x11, 0x87, 0x2d, 0x24,
+	0x17, 0xc4, 0x09, 0xf9, 0x2f, 0x40, 0xf3, 0xb1, 0xde, 0x71, 0x13, 0x21, 0x0c, 0x27, 0xef, 0x9b,
+	0xdf, 0xfc, 0xde, 0xfb, 0xbd, 0x37, 0xef, 0x3d, 0x19, 0x6c, 0xe6, 0x29, 0x42, 0x5d, 0x42, 0x61,
+	0x34, 0x40, 0xdd, 0xd1, 0x7d, 0xfd, 0xe5, 0x0d, 0x29, 0xe1, 0xc4, 0xbe, 0x29, 0x40, 0x4f, 0x1f,
+	0x8d, 0xee, 0x6f, 0xb4, 0x12, 0x92, 0x10, 0x09, 0x75, 0xc5, 0x97, 0xba, 0xb5, 0xe1, 0x24, 0x84,
+	0x24, 0x03, 0xd4, 0x95, 0x56, 0x2f, 0x3f, 0xec, 0x72, 0x9c, 0x22, 0xc6, 0x61, 0x3a, 0xd4, 0x17,
+	0x3a, 0xaf, 0x5f, 0x88, 0x73, 0x0a, 0x39, 0x26, 0x99, 0xc2, 0xdd, 0xe2, 0x06, 0x58, 0xdc, 0x87,
+	0x14, 0xa6, 0xcc, 0xfe, 0x04, 0x34, 0x47, 0x84, 0xa3, 0x70, 0x88, 0x28, 0x26, 0x71, 0xdb, 0xda,
+	0xb2, 0xb6, 0xe7, 0xfd, 0x37, 0xc7, 0x85, 0x63, 0x9f, 0xc2, 0x74, 0xb0, 0xeb, 0x1a, 0xa0, 0x1b,
+	0x00, 0x61, 0xed, 0x4b, 0xc3, 0xce, 0xc0, 0x4d, 0x89, 0xf1, 0x3e, 0x45, 0xac, 0x4f, 0x06, 0x71,
+	0xfb, 0x8d, 0x2d, 0x6b, 0xbb, 0xe1, 0x7f, 0x79, 0x5e, 0x38, 0xb5, 0x5f, 0x0b, 0xe7, 0x6e, 0x82,
+	0x79, 0x3f, 0xef, 0x79, 0x11, 0x49, 0xbb, 0x11, 0x61, 0x29, 0x61, 0xfa, 0xe7, 0x1e, 0x8b, 0x8f,
+	0xba, 0xfc, 0x74, 0x88, 0x98, 0xb7, 0x87, 0xa2, 0x71, 0xe1, 0xac, 0x1b, 0x91, 0x26, 0xde, 0xdc,
+	0x60, 0x59, 0x1c, 0x1c, 0x94, 0xb6, 0x8d, 0x40, 0x93, 0xa2, 0x63, 0x48, 0xe3, 0xb0, 0x07, 0xb3,
+	0xb8, 0x3d, 0x27, 0x83, 0xed, 0xcd, 0x1c, 0x4c, 0xa7, 0x65, 0xb8, 0x72, 0x03, 0xa0, 0x2c, 0x1f,
+	0x66, 0xb1, 0x1d, 0x81, 0x0d, 0x8d, 0xc5, 0x98, 0x71, 0x8a, 0x7b, 0xb9, 0xa8, 0x5b, 0x78, 0x8c,
+	0xb3, 0x98, 0x1c, 0xb7, 0xe7, 0x65, 0x79, 0xde, 0x1d, 0x17, 0xce, 0x9d, 0x29, 0x3f, 0xd7, 0xdc,
+	0x75, 0x83, 0xb6, 0x02, 0xf7, 0x0c, 0xec, 0x2b, 0x09, 0xd9, 0x21, 0x68, 0xc2, 0x28, 0x42, 0x43,
+	0x1e, 0x0e, 0x30, 0xe3, 0xed, 0x85, 0xad, 0xb9, 0xed, 0xe6, 0xce, 0xba, 0x37, 0xfd, 0xf8, 0xde,
+	0x1e, 0xca, 0x48, 0xea, 0xbf, 0x27, 0x52, 0xac, 0x84, 0x1b, 0x3c, 0xf7, 0x87, 0x57, 0x4e, 0x43,
+	0x5e, 0x7a, 0x8c, 0x19, 0x0f, 0x80, 0x82, 0xc4, 0xb7, 0x78, 0x1c, 0x36, 0x80, 0xac, 0x1f, 0x1e,
+	0x52, 0x18, 0x89, 0xc0, 0xed, 0xc5, 0xff, 0xf7, 0x38, 0xd3, 0xde, 0xdc, 0x60, 0x59, 0x1e, 0x3c,
+	0xd2, 0xb6, 0xbd, 0x0b, 0x96, 0xd4, 0x0d, 0x5d, 0xa7, 0x1b, 0xb2, 0x4e, 0x6f, 0x8d, 0x0b, 0x67,
+	0xcd, 0xe4, 0x97, 0x95, 0x69, 0x4a, 0x53, 0x17, 0xe3, 0x1b, 0xd0, 0x4a, 0x71, 0x16, 0x8e, 0xe0,
+	0x00, 0xc7, 0xa2, 0xd3, 0x4a, 0x1f, 0x75, 0xa9, 0xf8, 0xc9, 0xcc, 0x8a, 0x37, 0x55, 0xc4, 0xeb,
+	0x7c, 0xba, 0xc1, 0x6a, 0x8a, 0xb3, 0x67, 0xe2, 0x74, 0x1f, 0x51, 0x1d, 0x7f, 0x07, 0xac, 0xf7,
+	0x31, 0xe3, 0x84, 0xe2, 0x28, 0x94, 0x43, 0x54, 0xce, 0x42, 0x43, 0x24, 0x11, 0xac, 0x95, 0xe0,
+	0x53, 0x81, 0xe9, 0xe6, 0xf7, 0xc0, 0x5a, 0x8a, 0x62, 0x0c, 0xb3, 0x69, 0x06, 0x90, 0x8c, 0x55,
+	0x05, 0x99, 0xf7, 0x3f, 0x00, 0xad, 0x14, 0x9e, 0xe0, 0x34, 0x4f, 0xc3, 0x21, 0xc5, 0x11, 0x52,
+	0x34, 0xd6, 0x6e, 0x4a, 0x82, 0xad, 0xb1, 0x7d, 0x01, 0x49, 0x1a, 0x13, 0xaa, 0x4a, 0x86, 0x19,
+	0x89, 0xb5, 0x97, 0x94, 0x2a, 0x0d, 0x3e, 0xa9, 0x42, 0xb1, 0xdd, 0xfa, 0x8b, 0x33, 0xa7, 0xf6,
+	0xc7, 0x99, 0x63, 0xb9, 0x7f, 0x59, 0x60, 0xe5, 0xe1, 0x28, 0xf9, 0x9c, 0xe4, 0x19, 0x47, 0x54,
+	0x8f, 0x3a, 0x01, 0x00, 0x8e, 0x12, 0x73, 0xd2, 0x9b, 0x3b, 0xb7, 0x3d, 0xb5, 0x2a, 0xbc, 0x72,
+	0x55, 0x78, 0x7b, 0x7a, 0x55, 0xf8, 0x1f, 0x89, 0xca, 0xff, 0x59, 0x38, 0xad, 0x8a, 0xf4, 0x3e,
+	0x49, 0x31, 0x47, 0xe9, 0x90, 0x9f, 0x8e, 0x0b, 0x67, 0x55, 0x37, 0xe4, 0x04, 0x75, 0x5f, 0xbc,
+	0x72, 0xac, 0xa0, 0x01, 0x47, 0x89, 0xce, 0xfa, 0x08, 0x08, 0x23, 0x64, 0x7d, 0x7c, 0xc8, 0xe5,
+	0x76, 0xf8, 0xc7, 0x78, 0x0f, 0x74, 0xbc, 0xb5, 0x09, 0x67, 0x2a, 0xdc, 0x4a, 0x15, 0x4e, 0x82,
+	0x2a, 0x5a, 0x1d, 0x8e, 0x92, 0xa7, 0xd2, 0xfc, 0xd9, 0x02, 0x0b, 0x72, 0x18, 0xec, 0x0f, 0x01,
+	0xe8, 0x41, 0x86, 0xc2, 0x58, 0x58, 0x32, 0xcf, 0x86, 0xbf, 0x5e, 0x09, 0xae, 0x30, 0x37, 0x68,
+	0x08, 0x43, 0xb1, 0x44, 0x0b, 0x9f, 0xa6, 0x3d, 0x32, 0xd0, 0x3c, 0xb5, 0xcd, 0xcc, 0x16, 0x36,
+	0x50, 0xd1, 0xc2, 0xd2, 0x54, 0xdc, 0x2e, 0xa8, 0xa3, 0x93, 0x21, 0xc9, 0x50, 0xc6, 0xe5, 0x62,
+	0x5a, 0xf6, 0xd7, 0xc6, 0x85, 0x73, 0x4b, 0xf1, 0x4a, 0xc4, 0x0d, 0x26, 0x97, 0x26, 0x2f, 0x55,
+	0x73, 0x7f, 0xb4, 0xc0, 0xdb, 0x0f, 0x93, 0x84, 0xa2, 0x04, 0x72, 0xf4, 0xc5, 0x49, 0xd4, 0x87,
+	0x59, 0x82, 0x02, 0xc8, 0xd1, 0x3e, 0x45, 0x62, 0x01, 0xda, 0xef, 0x80, 0xf9, 0x3e, 0x64, 0x7d,
+	0x9d, 0xc7, 0xad, 0x71, 0xe1, 0x34, 0x95, 0x5f, 0x71, 0xea, 0x06, 0x12, 0xb4, 0xef, 0x82, 0x05,
+	0x71, 0x99, 0x6a, 0xd5, 0x2b, 0xe3, 0xc2, 0x59, 0xaa, 0xb6, 0x2a, 0x75, 0x03, 0x05, 0xcb, 0x24,
+	0xf3, 0x5e, 0x8a, 0x79, 0xd8, 0x1b, 0x90, 0xe8, 0x48, 0x8a, 0x9d, 0x9e, 0x53, 0x03, 0x15, 0x49,
+	0x4a, 0xd3, 0x17, 0x96, 0xa1, 0xb9, 0xb0, 0xc0, 0xed, 0x6b, 0x35, 0x3f, 0x13, 0x82, 0xbf, 0xb3,
+	0x40, 0x0b, 0xe9, 0xc3, 0x90, 0x42, 0xb1, 0xd4, 0xf3, 0xe1, 0x00, 0xb1, 0xb6, 0x25, 0xd7, 0xdc,
+	0x9d, 0xd7, 0xd7, 0x9c, 0xe9, 0xe0, 0x40, 0xdc, 0xf4, 0x3f, 0xd5, 0x2b, 0x6f, 0xb3, 0x2c, 0xe0,
+	0x55, 0x67, 0x62, 0xf7, 0xd9, 0x57, 0x98, 0x2c, 0xb0, 0xd1, 0x95, 0xb3, 0x7f, 0x5b, 0x1c, 0x23,
+	0xc1, 0x9f, 0x2c, 0xb0, 0x7a, 0xc5, 0xb9, 0xf0, 0x63, 0xb6, 0x94, 0xe1, 0x47, 0xf7, 0x84, 0x82,
+	0xed, 0x23, 0xb0, 0x3c, 0x25, 0x59, 0xc7, 0x7d, 0x34, 0xf3, 0x26, 0x6b, 0x5d, 0x93, 0xbf, 0x1b,
+	0x2c, 0x99, 0x29, 0x1a, 0xa2, 0xbf, 0xb7, 0x00, 0xa8, 0x66, 0xde, 0xfe, 0x0c, 0xcc, 0xb1, 0xbc,
+	0xd4, 0xea, 0xcd, 0x16, 0x3b, 0x10, 0x54, 0x7b, 0x05, 0xcc, 0x65, 0xb9, 0x1a, 0x84, 0xe5, 0x40,
+	0x7c, 0xda, 0xbb, 0x60, 0x81, 0x71, 0x48, 0x55, 0x93, 0x37, 0x77, 0x36, 0xae, 0x0c, 0xf3, 0x41,
+	0xf9, 0x47, 0xc4, 0xaf, 0x8b, 0x88, 0xcf, 0xc5, 0x88, 0x2a, 0xca, 0x6e, 0xfd, 0xdb, 0x52, 0xe8,
+	0x99, 0x05, 0x96, 0xcc, 0xea, 0xda, 0x3e, 0x98, 0x97, 0x75, 0xfa, 0x6f, 0x5a, 0x25, 0xd7, 0xf6,
+	0x41, 0x63, 0xf2, 0x2f, 0x68, 0x26, 0x79, 0x15, 0xad, 0xaa, 0xa5, 0xff, 0xf8, 0xfc, 0xf7, 0x4e,
+	0xed, 0xfc, 0xa2, 0x63, 0xbd, 0xbc, 0xe8, 0x58, 0xbf, 0x5d, 0x74, 0xac, 0xe7, 0x97, 0x9d, 0xda,
+	0xcb, 0xcb, 0x4e, 0xed, 0x97, 0xcb, 0x4e, 0xed, 0x6b, 0xcf, 0x50, 0x26, 0x9a, 0xf9, 0x5e, 0x86,
+	0xf8, 0x31, 0xa1, 0x47, 0xd2, 0xe8, 0x8e, 0x3e, 0xee, 0x9e, 0x94, 0xff, 0xef, 0xa4, 0xca, 0xde,
+	0xa2, 0x14, 0xf0, 0xe0, 0xef, 0x00, 0x00, 0x00, 0xff, 0xff, 0xed, 0xc7, 0x26, 0x38, 0xfb, 0x09,
+	0x00, 0x00,
 }
 
 func (this *Params) Equal(that interface{}) bool {
diff --git a/x/oracle/types/vote.go b/x/oracle/types/vote.go
index f7e1e028e4..98991c1d56 100644
--- a/x/oracle/types/vote.go
+++ b/x/oracle/types/vote.go
@@ -108,3 +108,8 @@ func ParseExchangeRateTuples(tuplesStr string) (ExchangeRateTuples, error) {
 
 	return tuples, nil
 }
+
+func (v ExchangeRate) String() string {
+	bz, _ := json.Marshal(v)
+	return string(bz)
+}
diff --git a/x/oracle/types/vote_test.go b/x/oracle/types/vote_test.go
index 82b06d01b6..97b968b572 100644
--- a/x/oracle/types/vote_test.go
+++ b/x/oracle/types/vote_test.go
@@ -2,9 +2,10 @@ package types
 
 import (
 	"testing"
+	"time"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
-	"gotest.tools/v3/assert"
+	"github.com/stretchr/testify/assert"
 )
 
 func TestAggregateExchangeRatePrevoteString(t *testing.T) {
@@ -45,7 +46,7 @@ func TestExchangeRateTuplesString(t *testing.T) {
 func TestParseExchangeRateTuples(t *testing.T) {
 	valid := "uumee:123.0,uatom:123.123"
 	_, err := ParseExchangeRateTuples(valid)
-	assert.NilError(t, err)
+	assert.NoError(t, err)
 
 	duplicatedDenom := "uumee:100.0,uatom:123.123,uatom:121233.123"
 	_, err = ParseExchangeRateTuples(duplicatedDenom)
@@ -72,5 +73,11 @@ func TestParseExchangeRateTuples(t *testing.T) {
 	assert.ErrorContains(t, err, "invalid exchange rate")
 
 	_, err = ParseExchangeRateTuples("")
-	assert.NilError(t, err)
+	assert.NoError(t, err)
+}
+
+func TestExchangeRateString(t *testing.T) {
+	t1 := time.Date(2022, 9, 18, 15, 55, 01, 0, time.UTC)
+	er := ExchangeRate{Rate: sdk.MustNewDecFromStr("1.5"), Timestamp: t1}
+	assert.Equal(t, `{"rate":"1.500000000000000000","timestamp":"2022-09-18T15:55:01Z"}`, er.String())
 }