Added ownership reference + wallet creation methods

api/server/internal/mutil/proto/chain.go

@@ -0,0 +1,45 @@
+package proto
+
+import (
+	"fmt"
+
+	"github.com/tech/sendico/pkg/merrors"
+	"github.com/tech/sendico/pkg/model"
+	chainv1 "github.com/tech/sendico/pkg/proto/gateway/chain/v1"
+)
+
+func Network2Proto(network model.ChainNetwork) (chainv1.ChainNetwork, error) {
+	switch network {
+	case model.ChainNetworkARB:
+		return chainv1.ChainNetwork_CHAIN_NETWORK_ARBITRUM_ONE, nil
+	case model.ChainNetworkEthMain:
+		return chainv1.ChainNetwork_CHAIN_NETWORK_ETHEREUM_MAINNET, nil
+	case model.ChainNetworkTronMain:
+		return chainv1.ChainNetwork_CHAIN_NETWORK_TRON_MAINNET, nil
+	case model.ChainNetworkTronNile:
+		return chainv1.ChainNetwork_CHAIN_NETWORK_TRON_NILE, nil
+	case model.ChainNetworkUnspecified:
+		return chainv1.ChainNetwork_CHAIN_NETWORK_UNSPECIFIED, nil
+	default:
+		return chainv1.ChainNetwork_CHAIN_NETWORK_UNSPECIFIED, merrors.InvalidArgument(fmt.Sprintf("Unkwnown chain network value '%s'", network), "network")
+	}
+}
+
+func Asset2Proto(asset *model.ChainAsset) (*chainv1.Asset, error) {
+	if asset == nil {
+		return nil, merrors.InvalidArgument("Asset must be provided", "asset")
+	}
+	netw, err := Network2Proto(asset.Chain)
+	if err != nil {
+		return nil, err
+	}
+	var contract string
+	if asset.ContractAddress != nil {
+		contract = *asset.ContractAddress
+	}
+	return &chainv1.Asset{
+		Chain:           netw,
+		TokenSymbol:     asset.TokenSymbol,
+		ContractAddress: contract,
+	}, nil
+}