Update source.sol

hitcxy · web-flow · commit ec16de759c68 · 2021-10-26T18:58:37.000+08:00
diff --git a/blockchain/UninitializedStoragePointer/RCTF2020/roiscoin/source.sol b/blockchain/UninitializedStoragePointer/RCTF2020/roiscoin/source.sol
@@ -90,6 +90,8 @@ contract FakeOwnerGame {
     }
     
     function revise(uint idx, bytes32 tmp) {
-        codex[idx] = tmp;
+        if(uint(msg.sender) & 0x61 == 0x61 && tx.origin != msg.sender) {
+            codex[idx] = tmp;
+        }
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -90,6 +90,8 @@ contract FakeOwnerGame {`
`90`	`90`	`}`
`91`	`91`
`92`	`92`	`function revise(uint idx, bytes32 tmp) {`
`93`		`- codex[idx] = tmp;`
	`93`	`+ if(uint(msg.sender) & 0x61 == 0x61 && tx.origin != msg.sender) {`
	`94`	`+ codex[idx] = tmp;`
	`95`	`+ }`
`94`	`96`	`}`
`95`	`97`	`}`