Added ownership reference + wallet creation methods

api/pkg/db/internal/mongo/chainassetsdb/resolve.go

@@ -0,0 +1,18 @@
+package chainassetsdb
+
+import (
+	"context"
+
+	"github.com/tech/sendico/pkg/db/repository"
+	"github.com/tech/sendico/pkg/model"
+)
+
+func (db *ChainAssetsDB) Resolve(ctx context.Context, chainAsset model.ChainAssetKey) (*model.ChainAssetDescription, error) {
+	var assetDescription model.ChainAssetDescription
+	assetField := repository.Field("asset")
+	q := repository.Query().And(
+		repository.Query().Filter(assetField.Dot("chain"), chainAsset.Chain),
+		repository.Query().Filter(assetField.Dot("tokenSymbol"), chainAsset.TokenSymbol),
+	)
+	return &assetDescription, db.DBImp.FindOne(ctx, q, &assetDescription)
+}