core: fix VerifyPayload argument (#103)

Since we are using a byte slice for storing payload. VerifyPayload()
should also accepts a byte slice.

1 files changed, 1 insertions, 1 deletions

diff --git a/simulation/app.go b/simulation/app.go
index 719b8de..9e89516 100644
--- a/simulation/app.go
+++ b/simulation/app.go
@@ -64,7 +64,7 @@ func (a *simApp) BlockConfirmed(block *types.Block) {
 }
 
 // VerifyPayloads implements core.Application.
-func (a *simApp) VerifyPayloads(payloads [][]byte) bool {
+func (a *simApp) VerifyPayloads(payloads []byte) bool {
 	return true
 }