add new datasource (#62)

* add new ds

* remove comment

go.mod

@@ -5,7 +5,7 @@ go 1.21.3
 require (
 	github.com/hashicorp/go-plugin v1.6.0
 	github.com/smartcontractkit/chainlink-common v0.1.7-0.20240327133125-eed636b9a6df
-	github.com/smartcontractkit/libocr v0.0.0-20240326191951-2bbe9382d052
+	github.com/smartcontractkit/libocr v0.0.0-20240419185742-fd3cab206b2c
 	github.com/stretchr/testify v1.9.0
 )
 

go.sum

@@ -213,8 +213,8 @@ github.com/smartcontractkit/go-plugin v0.0.0-20240208201424-b3b91517de16 h1:TFe+
 github.com/smartcontractkit/go-plugin v0.0.0-20240208201424-b3b91517de16/go.mod h1:lBS5MtSSBZk0SHc66KACcjjlU6WzEVP/8pwz68aMkCI=
 github.com/smartcontractkit/grpc-proxy v0.0.0-20230731113816-f1be6620749f h1:hgJif132UCdjo8u43i7iPN1/MFnu49hv7lFGFftCHKU=
 github.com/smartcontractkit/grpc-proxy v0.0.0-20230731113816-f1be6620749f/go.mod h1:MvMXoufZAtqExNexqi4cjrNYE9MefKddKylxjS+//n0=
-github.com/smartcontractkit/libocr v0.0.0-20240326191951-2bbe9382d052 h1:1WFjrrVrWoQ9UpVMh7Mx4jDpzhmo1h8hFUKd9awIhIU=
-github.com/smartcontractkit/libocr v0.0.0-20240326191951-2bbe9382d052/go.mod h1:SJEZCHgMCAzzBvo9vMV2DQ9onfEcIJCYSViyP4JI6c4=
+github.com/smartcontractkit/libocr v0.0.0-20240419185742-fd3cab206b2c h1:lIyMbTaF2H0Q71vkwZHX/Ew4KF2BxiKhqEXwF8rn+KI=
+github.com/smartcontractkit/libocr v0.0.0-20240419185742-fd3cab206b2c/go.mod h1:fb1ZDVXACvu4frX3APHZaEBp0xi1DIm34DcA0CwTsZM=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=

median/plugin.go

@@ -32,8 +32,10 @@ func (p *Plugin) NewMedianFactory(ctx context.Context, provider types.MedianProv
 	lggr := logger.With(p.Logger, ctxVals.Args()...)
 
 	factory := median.NumericalMedianFactory{
-		DataSource:                dataSource,
-		JuelsPerFeeCoinDataSource: juelsPerFeeCoin,
+		DataSource:                           dataSource,
+		JuelsPerFeeCoinDataSource:            juelsPerFeeCoin,
+		GasPriceSubunitsDataSource:           &ZeroDataSource{},
+		IncludeGasPriceSubunitsInObservation: false,
 		Logger: logger.NewOCRWrapper(lggr, true, func(msg string) {
 			ctx, cancelFn := p.stop.NewCtx()
 			defer cancelFn()
@@ -64,6 +66,12 @@ func (p *Plugin) NewMedianFactory(ctx context.Context, provider types.MedianProv
 	return s, nil
 }
 
+type ZeroDataSource struct{}
+
+func (d *ZeroDataSource) Observe(ctx context.Context, reportTimestamp ocrtypes.ReportTimestamp) (*big.Int, error) {
+	return new(big.Int), nil
+}
+
 type reportingPluginFactoryService struct {
 	services.StateMachine
 	lggr logger.Logger