Fix tests

client/broadcaster/client.go

@@ -17,6 +17,8 @@ import (
 var (
 	// ErrBroadcastTx is used when a broadcast fails due to tendermint errors
 	ErrBroadcastTx = errors.New("broadcast tx error")
+	// ErrSimulateTx is used when unsigned tx is not proto tx provider format
+	ErrSimulateTx = errors.New("cannot simulate amino tx")
 )
 
 type Client interface {
@@ -162,7 +164,7 @@ func BuildSimTx(txf tx.Factory, msgs ...sdk.Msg) ([]byte, error) {
 
 	protoProvider, ok := txb.(protoTxProvider)
 	if !ok {
-		return nil, fmt.Errorf("cannot simulate amino tx")
+		return nil, fmt.Errorf("%w: not protoTxProvider format", ErrSimulateTx)
 	}
 	simReq := txtypes.SimulateRequest{Tx: protoProvider.GetProtoTx()}
 

x/cert/keeper/key.go

@@ -5,12 +5,13 @@ import (
 	"math/big"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
-	sdkAddress "github.com/cosmos/cosmos-sdk/types/address"
 	"github.com/ovrclk/akash/x/cert/types"
 )
 
 const (
-	keyAddrPrefixLen = 1 + sdkAddress.MaxAddrLen
+	// AddrLen defines a valid address length
+	AddrLen          = 20
+	keyAddrPrefixLen = 1 + AddrLen
 )
 
 var (