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99 lines
2.9 KiB
99 lines
2.9 KiB
pragma experimental ABIEncoderV2;
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contract A {
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struct S {
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uint i;
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}
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uint[2][3] bad_arr = [[1, 2], [3, 4], [5, 6]];
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uint[3] good_arr = [1, 2, 3];
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S[3] s;
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event event1_bad(uint[2][3] bad_arr);
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event event1_good(uint[3] good_arr);
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event event2_bad(S[3] s);
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function bad0_external(uint [2][3] arr1) external {
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}
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/* Array of arrays passed to an external function is vulnerable */
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function bad0() public {
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this.bad0_external(bad_arr);
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}
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function bad1_external (S[3] s1) external {
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}
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/* Array of structs passed to an external function is vulnerable */
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function bad1 (S[3] s1) public {
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this.bad1_external(s);
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}
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/* Array of arrays passed to abi.encode is vulnerable */
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function bad2() public {
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bytes memory b = abi.encode(bad_arr);
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}
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/* Array of structs passed to abi.encode is vulnerable */
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function bad3() public {
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bytes memory b = abi.encode(s);
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}
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/* Array of arrays passed to an event emit is vulnerable */
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function bad4() public {
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emit event1_bad(bad_arr);
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}
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/* Array of structs passed to an event emit is vulnerable */
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function bad5() public {
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emit event2_bad(s);
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}
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function good0_public (uint[2][3] arr1) public {
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}
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/* Array of arrays passed to a public function is benign */
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function good0() public {
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good0_public(bad_arr);
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}
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function good1_public (S[3] s1) public {
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}
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/* Array of structs passed to a public function is benign */
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function good1 (S[3] s1) {
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good1_public(s);
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}
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/* Array of arrays in-memory passed to abi.encode is benign */
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function good2() public {
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uint8 [2][3] memory bad_arr_mem = [[1, 2], [3, 4], [5, 6]];
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bytes memory b = abi.encode(bad_arr_mem);
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}
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/* Array of structs in-memory passed to abi.encode is benign */
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function good3() public {
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S[3] memory s_mem;
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bytes memory b = abi.encode(s_mem);
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}
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function good4_external(uint[3] arr1) external {
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}
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/* Array of elementary types passed to external function is benign */
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function good4() public {
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this.good4_external(good_arr);
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}
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/* Array of elementary types passed to abi.encode is benign */
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function good5() public {
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bytes memory b = abi.encode(good_arr);
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}
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/* Array of elementary types passed to event emit is benign */
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function good6() public {
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emit event1_good(good_arr);
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}
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}
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