compiler: compile appcall with dynamic argument

Closes #1160
2020-07-08 17:37:42 +03:00 · 2020-07-08 17:37:42 +03:00 · 56a5c9db11
commit 56a5c9db11
parent cf1e5243b9
2 changed files with 20 additions and 1 deletions
--- a/pkg/compiler/codegen.go
+++ b/pkg/compiler/codegen.go
@ -1216,7 +1216,7 @@ func (c *codegen) convertBuiltin(expr *ast.CallExpr) {
 	case "AppCall":
 		c.emitReverse(len(expr.Args))
 		buf := c.getByteArray(expr.Args[0])
-		if len(buf) != 20 {
+		if buf != nil && len(buf) != 20 {
 			c.prog.Err = errors.New("invalid script hash")
 		}
 		emit.Syscall(c.prog.BinWriter, "System.Contract.Call")