feat: add assert equals claim capability

Author: alanshaw

capabilities/assert/datamodel/cbor_gen.go

@@ -0,0 +1,11 @@
+package datamodel
+
+import (
+	"github.com/ipfs/go-cid"
+	"github.com/multiformats/go-multihash"
+)
+
+type EqualsArgumentsModel struct {
+	Content multihash.Multihash `cborgen:"content" dagjsongen:"content"`
+	Equals  cid.Cid             `cborgen:"equals" dagjsongen:"equals"`
+}

capabilities/assert/datamodel/equals.go

@@ -13,6 +13,7 @@ func main() {
 		datamodel.IndexArgumentsModel{},
 		datamodel.LocationArgumentsModel{},
 		datamodel.RangeModel{},
+		datamodel.EqualsArgumentsModel{},
 	}
 
 	if err := cbg.WriteMapEncodersToFile("../cbor_gen.go", "datamodel", models...); err != nil {

capabilities/assert/datamodel/gen/main.go

@@ -0,0 +1,17 @@
+package assert
+
+import (
+	adm "github.com/fil-forge/libforge/capabilities/assert/datamodel"
+	cdm "github.com/fil-forge/libforge/capabilities/datamodel"
+	"github.com/fil-forge/ucantone/validator/bindcap"
+)
+
+type (
+	EqualsArguments = adm.EqualsArgumentsModel
+	EqualsOK        = cdm.UnitModel
+)
+
+const EqualsCommand = "/assert/equals"
+
+// Equals claims data is referred to by another CID e.g CAR CID & Piece CID
+var Equals, _ = bindcap.New[*EqualsArguments](EqualsCommand)