Merge pull request #148 from InjectiveLabs/f/customizable-tx-factory

feat(chain-client) allows to customize the txFactory as an option

client/chain/chain.go

@@ -190,9 +190,14 @@ func NewChainClient(
 	}
 
 	// init tx factory
-	txFactory := NewTxFactory(ctx)
-	if len(opts.GasPrices) > 0 {
-		txFactory = txFactory.WithGasPrices(opts.GasPrices)
+	var txFactory tx.Factory
+	if opts.TxFactory == nil {
+		txFactory = NewTxFactory(ctx)
+		if len(opts.GasPrices) > 0 {
+			txFactory = txFactory.WithGasPrices(opts.GasPrices)
+		}
+	} else {
+		txFactory = *opts.TxFactory
 	}
 
 	// init grpc connection

client/common/options.go

@@ -3,6 +3,7 @@ package common
 import (
 	ctypes "github.com/InjectiveLabs/sdk-go/chain/types"
 	log "github.com/InjectiveLabs/suplog"
+	"github.com/cosmos/cosmos-sdk/client/tx"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/pkg/errors"
 	"google.golang.org/grpc/credentials"
@@ -20,6 +21,7 @@ func init() {
 type ClientOptions struct {
 	GasPrices string
 	TLSCert   credentials.TransportCredentials
+	TxFactory *tx.Factory
 }
 
 type ClientOption func(opts *ClientOptions) error
@@ -52,3 +54,10 @@ func OptionTLSCert(tlsCert credentials.TransportCredentials) ClientOption {
 		return nil
 	}
 }
+
+func OptionTxFactory(txFactory *tx.Factory) ClientOption {
+	return func(opts *ClientOptions) error {
+		opts.TxFactory = txFactory
+		return nil
+	}
+}

examples/chain/20_MsgExec/example.go

@@ -64,11 +64,13 @@ func main() {
 
 	clientCtx = clientCtx.WithNodeURI(network.TmEndpoint).WithClient(tmClient)
 
+	txFactory := chainclient.NewTxFactory(clientCtx)
+	txFactory = txFactory.WithGasPrices("500000000inj")
 	chainClient, err := chainclient.NewChainClient(
 		clientCtx,
 		network.ChainGrpcEndpoint,
 		common.OptionTLSCert(network.ChainTlsCert),
-		common.OptionGasPrices("500000000inj"),
+		common.OptionTxFactory(&txFactory),
 	)
 
 	if err != nil {