adds new relayer method (celestiaorg#355)

x/qgb/orchestrator/relayer.go

@@ -21,6 +21,14 @@ type relayer struct {
 	evmClient EVMClient
 }
 
+func NewRelayer(querier Querier, evmClient EVMClient) (*relayer, error) {
+	return &relayer{
+		querier:   querier,
+		bridgeID:  types.BridgeId,
+		evmClient: evmClient,
+	}, nil
+}
+
 func (r *relayer) processValsetEvents(ctx context.Context, valSetChannel <-chan types.Valset) error {
 	for valset := range valSetChannel {
 

x/qgb/orchestrator/relayer_command.go

@@ -2,14 +2,14 @@ package orchestrator
 
 import (
 	"fmt"
-	paytypes "github.com/celestiaorg/celestia-app/x/payment/types"
-	"github.com/celestiaorg/celestia-app/x/qgb/types"
-	"github.com/cosmos/cosmos-sdk/crypto/keyring"
 	"os"
 	"strings"
 	"sync"
 	"time"
 
+	paytypes "github.com/celestiaorg/celestia-app/x/payment/types"
+	"github.com/cosmos/cosmos-sdk/crypto/keyring"
+
 	wrapper "github.com/celestiaorg/quantum-gravity-bridge/ethereum/solidity/wrappers/QuantumGravityBridge.sol"
 	"github.com/ethereum/go-ethereum/ethclient"
 	tmlog "github.com/tendermint/tendermint/libs/log"
@@ -71,15 +71,17 @@ func RelayerCmd() *cobra.Command {
 				return err
 			}
 
-			// TODO add NewRelayer method
-			relay := relayer{
-				bridgeID: types.BridgeId,
-				evmClient: NewEvmClient(
+			relay, err := NewRelayer(
+				querier,
+				NewEvmClient(
 					tmlog.NewTMLogger(os.Stdout),
 					*qgbWrapper,
 					config.privateKey,
 					config.evmRPC,
 				),
+			)
+			if err != nil {
+				return err
 			}
 
 			wg := &sync.WaitGroup{}