mirror of
https://github.com/ethereum/go-ethereum.git
synced 2026-07-28 23:56:43 +00:00
accounts/abi: separation of the testing suite into appropriately named files.
Signed-off-by: RJ Catalano <rj@monax.io>
This commit is contained in:
RJ Catalano
parent
65b34f272e
commit
02005f7359
5 changed files with 909 additions and 851 deletions
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@ -48,423 +48,6 @@ func pad(input []byte, size int, left bool) []byte {
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return common.RightPadBytes(input, size)
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}
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func TestTypeCheck(t *testing.T) {
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for i, test := range []struct {
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typ string
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input interface{}
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err string
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}{
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{"uint", big.NewInt(1), ""},
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{"int", big.NewInt(1), ""},
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{"uint30", big.NewInt(1), ""},
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{"uint30", uint8(1), "abi: cannot use uint8 as type ptr as argument"},
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{"uint16", uint16(1), ""},
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{"uint16", uint8(1), "abi: cannot use uint8 as type uint16 as argument"},
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{"uint16[]", []uint16{1, 2, 3}, ""},
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{"uint16[]", [3]uint16{1, 2, 3}, ""},
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{"uint16[]", []uint32{1, 2, 3}, "abi: cannot use []uint32 as type []uint16 as argument"},
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{"uint16[3]", [3]uint32{1, 2, 3}, "abi: cannot use [3]uint32 as type [3]uint16 as argument"},
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{"uint16[3]", [4]uint16{1, 2, 3}, "abi: cannot use [4]uint16 as type [3]uint16 as argument"},
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{"uint16[3]", []uint16{1, 2, 3}, ""},
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{"uint16[3]", []uint16{1, 2, 3, 4}, "abi: cannot use [4]uint16 as type [3]uint16 as argument"},
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{"address[]", []common.Address{{1}}, ""},
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{"address[1]", []common.Address{{1}}, ""},
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{"address[1]", [1]common.Address{{1}}, ""},
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{"address[2]", [1]common.Address{{1}}, "abi: cannot use [1]array as type [2]array as argument"},
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{"bytes32", [32]byte{}, ""},
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{"bytes32", [33]byte{}, "abi: cannot use [33]uint8 as type [32]uint8 as argument"},
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{"bytes32", common.Hash{1}, ""},
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{"bytes31", [31]byte{}, ""},
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{"bytes31", [32]byte{}, "abi: cannot use [32]uint8 as type [31]uint8 as argument"},
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{"bytes", []byte{0, 1}, ""},
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{"bytes", [2]byte{0, 1}, ""},
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{"bytes", common.Hash{1}, ""},
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{"string", "hello world", ""},
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{"bytes32[]", [][32]byte{{}}, ""},
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{"function", [24]byte{}, ""},
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} {
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typ, err := NewType(test.typ)
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if err != nil {
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t.Fatal("unexpected parse error:", err)
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}
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err = typeCheck(typ, reflect.ValueOf(test.input))
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if err != nil && len(test.err) == 0 {
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t.Errorf("%d failed. Expected no err but got: %v", i, err)
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continue
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}
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if err == nil && len(test.err) != 0 {
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t.Errorf("%d failed. Expected err: %v but got none", i, test.err)
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continue
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}
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if err != nil && len(test.err) != 0 && err.Error() != test.err {
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t.Errorf("%d failed. Expected err: '%v' got err: '%v'", i, test.err, err)
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}
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}
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}
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func TestSimpleMethodUnpack(t *testing.T) {
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for i, test := range []struct {
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def string // definition of the **output** ABI params
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marshalledOutput []byte // evm return data
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expectedOut interface{} // the expected output
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outVar string // the output variable (e.g. uint32, *big.Int, etc)
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err string // empty or error if expected
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}{
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{
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`[ { "type": "bool" } ]`,
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pad([]byte{1}, 32, true),
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bool(true),
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"bool",
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"",
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},
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{
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`[ { "type": "uint32" } ]`,
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pad([]byte{1}, 32, true),
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uint32(1),
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"uint32",
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"",
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},
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{
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`[ { "type": "uint32" } ]`,
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pad([]byte{1}, 32, true),
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nil,
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"uint16",
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"abi: cannot unmarshal uint32 in to uint16",
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},
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{
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`[ { "type": "uint17" } ]`,
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pad([]byte{1}, 32, true),
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nil,
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"uint16",
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"abi: cannot unmarshal *big.Int in to uint16",
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},
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{
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`[ { "type": "uint17" } ]`,
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pad([]byte{1}, 32, true),
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big.NewInt(1),
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"*big.Int",
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"",
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},
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{
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`[ { "type": "int32" } ]`,
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pad([]byte{1}, 32, true),
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int32(1),
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"int32",
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"",
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},
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{
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`[ { "type": "int32" } ]`,
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pad([]byte{1}, 32, true),
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nil,
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"int16",
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"abi: cannot unmarshal int32 in to int16",
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},
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{
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`[ { "type": "int17" } ]`,
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pad([]byte{1}, 32, true),
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nil,
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"int16",
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"abi: cannot unmarshal *big.Int in to int16",
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},
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{
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`[ { "type": "int17" } ]`,
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pad([]byte{1}, 32, true),
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big.NewInt(1),
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"*big.Int",
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"",
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},
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{
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`[ { "type": "address" } ]`,
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pad(pad([]byte{1}, 20, false), 32, true),
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common.Address{1},
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"address",
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"",
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},
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{
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`[ { "type": "bytes32" } ]`,
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pad([]byte{1}, 32, false),
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pad([]byte{1}, 32, false),
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"bytes",
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"",
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},
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{
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`[ { "type": "bytes32" } ]`,
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pad([]byte{1}, 32, false),
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pad([]byte{1}, 32, false),
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"hash",
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"",
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},
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{
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`[ { "type": "bytes32" } ]`,
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pad([]byte{1}, 32, false),
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pad([]byte{1}, 32, false),
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"interface",
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"",
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},
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{
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`[ { "type": "function" } ]`,
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pad([]byte{1}, 32, false),
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[24]byte{1},
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"function",
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"",
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},
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} {
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abiDefinition := fmt.Sprintf(`[{ "name" : "method", "outputs": %s}]`, test.def)
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abi, err := JSON(strings.NewReader(abiDefinition))
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if err != nil {
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t.Errorf("%d failed. %v", i, err)
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continue
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}
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var outvar interface{}
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switch test.outVar {
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case "bool":
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var v bool
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "uint8":
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var v uint8
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "uint16":
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var v uint16
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "uint32":
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var v uint32
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "uint64":
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var v uint64
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "int8":
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var v int8
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "int16":
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var v int16
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "int32":
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var v int32
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "int64":
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var v int64
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "*big.Int":
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var v *big.Int
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "address":
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var v common.Address
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "bytes":
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var v []byte
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "hash":
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var v common.Hash
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "function":
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var v [24]byte
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "interface":
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err = abi.Unpack(&outvar, "method", test.marshalledOutput)
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default:
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t.Errorf("unsupported type '%v' please add it to the switch statement in this test", test.outVar)
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continue
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}
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if err != nil && len(test.err) == 0 {
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t.Errorf("%d failed. Expected no err but got: %v", i, err)
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continue
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}
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if err == nil && len(test.err) != 0 {
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t.Errorf("%d failed. Expected err: %v but got none", i, test.err)
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continue
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}
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if err != nil && len(test.err) != 0 && err.Error() != test.err {
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t.Errorf("%d failed. Expected err: '%v' got err: '%v'", i, test.err, err)
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continue
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}
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if err == nil {
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// bit of an ugly hack for hash type but I don't feel like finding a proper solution
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if test.outVar == "hash" {
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tmp := outvar.(common.Hash) // without assignment it's unaddressable
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outvar = tmp[:]
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}
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if !reflect.DeepEqual(test.expectedOut, outvar) {
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t.Errorf("%d failed. Output error: expected %v, got %v", i, test.expectedOut, outvar)
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}
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}
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}
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}
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func TestUnpackSetInterfaceSlice(t *testing.T) {
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var (
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var1 = new(uint8)
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var2 = new(uint8)
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)
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out := []interface{}{var1, var2}
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abi, err := JSON(strings.NewReader(`[{"type":"function", "name":"ints", "outputs":[{"type":"uint8"}, {"type":"uint8"}]}]`))
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if err != nil {
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t.Fatal(err)
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}
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marshalledReturn := append(pad([]byte{1}, 32, true), pad([]byte{2}, 32, true)...)
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err = abi.Unpack(&out, "ints", marshalledReturn)
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if err != nil {
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t.Fatal(err)
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}
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if *var1 != 1 {
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t.Error("expected var1 to be 1, got", *var1)
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}
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if *var2 != 2 {
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t.Error("expected var2 to be 2, got", *var2)
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}
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out = []interface{}{var1}
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err = abi.Unpack(&out, "ints", marshalledReturn)
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expErr := "abi: cannot marshal in to slices of unequal size (require: 2, got: 1)"
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if err == nil || err.Error() != expErr {
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t.Error("expected err:", expErr, "Got:", err)
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}
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}
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func TestUnpackSetInterfaceArrayOutput(t *testing.T) {
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var (
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var1 = new([1]uint32)
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var2 = new([1]uint32)
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)
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out := []interface{}{var1, var2}
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abi, err := JSON(strings.NewReader(`[{"type":"function", "name":"ints", "outputs":[{"type":"uint32[1]"}, {"type":"uint32[1]"}]}]`))
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if err != nil {
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t.Fatal(err)
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}
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marshalledReturn := append(pad([]byte{1}, 32, true), pad([]byte{2}, 32, true)...)
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err = abi.Unpack(&out, "ints", marshalledReturn)
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if err != nil {
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t.Fatal(err)
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}
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if *var1 != [1]uint32{1} {
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t.Error("expected var1 to be [1], got", *var1)
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}
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if *var2 != [1]uint32{2} {
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t.Error("expected var2 to be [2], got", *var2)
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}
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}
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func TestPack(t *testing.T) {
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for i, test := range []struct {
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typ string
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input interface{}
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output []byte
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}{
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{"uint16", uint16(2), pad([]byte{2}, 32, true)},
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{"uint16[]", []uint16{1, 2}, formatSliceOutput([]byte{1}, []byte{2})},
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{"bytes20", [20]byte{1}, pad([]byte{1}, 32, false)},
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{"uint256[]", []*big.Int{big.NewInt(1), big.NewInt(2)}, formatSliceOutput([]byte{1}, []byte{2})},
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{"address[]", []common.Address{{1}, {2}}, formatSliceOutput(pad([]byte{1}, 20, false), pad([]byte{2}, 20, false))},
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{"bytes32[]", []common.Hash{{1}, {2}}, formatSliceOutput(pad([]byte{1}, 32, false), pad([]byte{2}, 32, false))},
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{"function", [24]byte{1}, pad([]byte{1}, 32, false)},
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} {
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typ, err := NewType(test.typ)
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if err != nil {
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t.Fatal("unexpected parse error:", err)
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}
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output, err := typ.pack(reflect.ValueOf(test.input))
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if err != nil {
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t.Fatal("unexpected pack error:", err)
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}
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if !bytes.Equal(output, test.output) {
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t.Errorf("%d failed. Expected bytes: '%x' Got: '%x'", i, test.output, output)
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}
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}
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}
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func TestMethodPack(t *testing.T) {
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abi, err := JSON(strings.NewReader(jsondata2))
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if err != nil {
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t.Fatal(err)
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}
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sig := abi.Methods["slice"].Id()
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sig = append(sig, common.LeftPadBytes([]byte{1}, 32)...)
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sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
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packed, err := abi.Pack("slice", []uint32{1, 2})
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if err != nil {
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t.Error(err)
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}
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if !bytes.Equal(packed, sig) {
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t.Errorf("expected %x got %x", sig, packed)
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}
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var addrA, addrB = common.Address{1}, common.Address{2}
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sig = abi.Methods["sliceAddress"].Id()
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sig = append(sig, common.LeftPadBytes([]byte{32}, 32)...)
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sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
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sig = append(sig, common.LeftPadBytes(addrA[:], 32)...)
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sig = append(sig, common.LeftPadBytes(addrB[:], 32)...)
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packed, err = abi.Pack("sliceAddress", []common.Address{addrA, addrB})
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if err != nil {
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t.Fatal(err)
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}
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if !bytes.Equal(packed, sig) {
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t.Errorf("expected %x got %x", sig, packed)
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}
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var addrC, addrD = common.Address{3}, common.Address{4}
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sig = abi.Methods["sliceMultiAddress"].Id()
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sig = append(sig, common.LeftPadBytes([]byte{64}, 32)...)
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sig = append(sig, common.LeftPadBytes([]byte{160}, 32)...)
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sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
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sig = append(sig, common.LeftPadBytes(addrA[:], 32)...)
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sig = append(sig, common.LeftPadBytes(addrB[:], 32)...)
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sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
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sig = append(sig, common.LeftPadBytes(addrC[:], 32)...)
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sig = append(sig, common.LeftPadBytes(addrD[:], 32)...)
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packed, err = abi.Pack("sliceMultiAddress", []common.Address{addrA, addrB}, []common.Address{addrC, addrD})
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if err != nil {
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t.Fatal(err)
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}
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if !bytes.Equal(packed, sig) {
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t.Errorf("expected %x got %x", sig, packed)
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}
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sig = abi.Methods["slice256"].Id()
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sig = append(sig, common.LeftPadBytes([]byte{1}, 32)...)
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sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
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packed, err = abi.Pack("slice256", []*big.Int{big.NewInt(1), big.NewInt(2)})
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if err != nil {
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t.Error(err)
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}
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if !bytes.Equal(packed, sig) {
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t.Errorf("expected %x got %x", sig, packed)
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}
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}
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const jsondata = `
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[
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{ "type" : "function", "name" : "balance", "constant" : true },
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@ -854,399 +437,3 @@ func TestBareEvents(t *testing.T) {
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}
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}
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}
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func TestMultiReturnWithStruct(t *testing.T) {
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const definition = `[
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{ "name" : "multi", "constant" : false, "outputs": [ { "name": "Int", "type": "uint256" }, { "name": "String", "type": "string" } ] }]`
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abi, err := JSON(strings.NewReader(definition))
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if err != nil {
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t.Fatal(err)
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}
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// using buff to make the code readable
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buff := new(bytes.Buffer)
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buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
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buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040"))
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buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000005"))
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stringOut := "hello"
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buff.Write(common.RightPadBytes([]byte(stringOut), 32))
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var inter struct {
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Int *big.Int
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String string
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}
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||||
err = abi.Unpack(&inter, "multi", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
if inter.Int == nil || inter.Int.Cmp(big.NewInt(1)) != 0 {
|
||||
t.Error("expected Int to be 1 got", inter.Int)
|
||||
}
|
||||
|
||||
if inter.String != stringOut {
|
||||
t.Error("expected String to be", stringOut, "got", inter.String)
|
||||
}
|
||||
|
||||
var reversed struct {
|
||||
String string
|
||||
Int *big.Int
|
||||
}
|
||||
|
||||
err = abi.Unpack(&reversed, "multi", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
if reversed.Int == nil || reversed.Int.Cmp(big.NewInt(1)) != 0 {
|
||||
t.Error("expected Int to be 1 got", reversed.Int)
|
||||
}
|
||||
|
||||
if reversed.String != stringOut {
|
||||
t.Error("expected String to be", stringOut, "got", reversed.String)
|
||||
}
|
||||
}
|
||||
|
||||
func TestMultiReturnWithSlice(t *testing.T) {
|
||||
const definition = `[
|
||||
{ "name" : "multi", "constant" : false, "outputs": [ { "name": "Int", "type": "uint256" }, { "name": "String", "type": "string" } ] }]`
|
||||
|
||||
abi, err := JSON(strings.NewReader(definition))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
// using buff to make the code readable
|
||||
buff := new(bytes.Buffer)
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000005"))
|
||||
stringOut := "hello"
|
||||
buff.Write(common.RightPadBytes([]byte(stringOut), 32))
|
||||
|
||||
var inter []interface{}
|
||||
err = abi.Unpack(&inter, "multi", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
if len(inter) != 2 {
|
||||
t.Fatal("expected 2 results got", len(inter))
|
||||
}
|
||||
|
||||
if num, ok := inter[0].(*big.Int); !ok || num.Cmp(big.NewInt(1)) != 0 {
|
||||
t.Error("expected index 0 to be 1 got", num)
|
||||
}
|
||||
|
||||
if str, ok := inter[1].(string); !ok || str != stringOut {
|
||||
t.Error("expected index 1 to be", stringOut, "got", str)
|
||||
}
|
||||
}
|
||||
|
||||
func TestMarshalArrays(t *testing.T) {
|
||||
const definition = `[
|
||||
{ "name" : "bytes32", "constant" : false, "outputs": [ { "type": "bytes32" } ] },
|
||||
{ "name" : "bytes10", "constant" : false, "outputs": [ { "type": "bytes10" } ] }
|
||||
]`
|
||||
|
||||
abi, err := JSON(strings.NewReader(definition))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
output := common.LeftPadBytes([]byte{1}, 32)
|
||||
|
||||
var bytes10 [10]byte
|
||||
err = abi.Unpack(&bytes10, "bytes32", output)
|
||||
if err == nil || err.Error() != "abi: cannot unmarshal src (len=32) in to dst (len=10)" {
|
||||
t.Error("expected error or bytes32 not be assignable to bytes10:", err)
|
||||
}
|
||||
|
||||
var bytes32 [32]byte
|
||||
err = abi.Unpack(&bytes32, "bytes32", output)
|
||||
if err != nil {
|
||||
t.Error("didn't expect error:", err)
|
||||
}
|
||||
if !bytes.Equal(bytes32[:], output) {
|
||||
t.Error("expected bytes32[31] to be 1 got", bytes32[31])
|
||||
}
|
||||
|
||||
type (
|
||||
B10 [10]byte
|
||||
B32 [32]byte
|
||||
)
|
||||
|
||||
var b10 B10
|
||||
err = abi.Unpack(&b10, "bytes32", output)
|
||||
if err == nil || err.Error() != "abi: cannot unmarshal src (len=32) in to dst (len=10)" {
|
||||
t.Error("expected error or bytes32 not be assignable to bytes10:", err)
|
||||
}
|
||||
|
||||
var b32 B32
|
||||
err = abi.Unpack(&b32, "bytes32", output)
|
||||
if err != nil {
|
||||
t.Error("didn't expect error:", err)
|
||||
}
|
||||
if !bytes.Equal(b32[:], output) {
|
||||
t.Error("expected bytes32[31] to be 1 got", bytes32[31])
|
||||
}
|
||||
|
||||
output[10] = 1
|
||||
var shortAssignLong [32]byte
|
||||
err = abi.Unpack(&shortAssignLong, "bytes10", output)
|
||||
if err != nil {
|
||||
t.Error("didn't expect error:", err)
|
||||
}
|
||||
if !bytes.Equal(output, shortAssignLong[:]) {
|
||||
t.Errorf("expected %x to be %x", shortAssignLong, output)
|
||||
}
|
||||
}
|
||||
|
||||
func TestUnmarshal(t *testing.T) {
|
||||
const definition = `[
|
||||
{ "name" : "int", "constant" : false, "outputs": [ { "type": "uint256" } ] },
|
||||
{ "name" : "bool", "constant" : false, "outputs": [ { "type": "bool" } ] },
|
||||
{ "name" : "bytes", "constant" : false, "outputs": [ { "type": "bytes" } ] },
|
||||
{ "name" : "fixed", "constant" : false, "outputs": [ { "type": "bytes32" } ] },
|
||||
{ "name" : "multi", "constant" : false, "outputs": [ { "type": "bytes" }, { "type": "bytes" } ] },
|
||||
{ "name" : "intArraySingle", "constant" : false, "outputs": [ { "type": "uint256[3]" } ] },
|
||||
{ "name" : "addressSliceSingle", "constant" : false, "outputs": [ { "type": "address[]" } ] },
|
||||
{ "name" : "addressSliceDouble", "constant" : false, "outputs": [ { "name": "a", "type": "address[]" }, { "name": "b", "type": "address[]" } ] },
|
||||
{ "name" : "mixedBytes", "constant" : true, "outputs": [ { "name": "a", "type": "bytes" }, { "name": "b", "type": "bytes32" } ] }]`
|
||||
|
||||
abi, err := JSON(strings.NewReader(definition))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
buff := new(bytes.Buffer)
|
||||
|
||||
// marshal int
|
||||
var Int *big.Int
|
||||
err = abi.Unpack(&Int, "int", common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
if Int == nil || Int.Cmp(big.NewInt(1)) != 0 {
|
||||
t.Error("expected Int to be 1 got", Int)
|
||||
}
|
||||
|
||||
// marshal bool
|
||||
var Bool bool
|
||||
err = abi.Unpack(&Bool, "bool", common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
if !Bool {
|
||||
t.Error("expected Bool to be true")
|
||||
}
|
||||
|
||||
// marshal dynamic bytes max length 32
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
||||
bytesOut := common.RightPadBytes([]byte("hello"), 32)
|
||||
buff.Write(bytesOut)
|
||||
|
||||
var Bytes []byte
|
||||
err = abi.Unpack(&Bytes, "bytes", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
if !bytes.Equal(Bytes, bytesOut) {
|
||||
t.Errorf("expected %x got %x", bytesOut, Bytes)
|
||||
}
|
||||
|
||||
// marshall dynamic bytes max length 64
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040"))
|
||||
bytesOut = common.RightPadBytes([]byte("hello"), 64)
|
||||
buff.Write(bytesOut)
|
||||
|
||||
err = abi.Unpack(&Bytes, "bytes", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
if !bytes.Equal(Bytes, bytesOut) {
|
||||
t.Errorf("expected %x got %x", bytesOut, Bytes)
|
||||
}
|
||||
|
||||
// marshall dynamic bytes max length 63
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
||||
buff.Write(common.Hex2Bytes("000000000000000000000000000000000000000000000000000000000000003f"))
|
||||
bytesOut = common.RightPadBytes([]byte("hello"), 63)
|
||||
buff.Write(bytesOut)
|
||||
|
||||
err = abi.Unpack(&Bytes, "bytes", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
if !bytes.Equal(Bytes, bytesOut) {
|
||||
t.Errorf("expected %x got %x", bytesOut, Bytes)
|
||||
}
|
||||
|
||||
// marshal dynamic bytes output empty
|
||||
err = abi.Unpack(&Bytes, "bytes", nil)
|
||||
if err == nil {
|
||||
t.Error("expected error")
|
||||
}
|
||||
|
||||
// marshal dynamic bytes length 5
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000005"))
|
||||
buff.Write(common.RightPadBytes([]byte("hello"), 32))
|
||||
|
||||
err = abi.Unpack(&Bytes, "bytes", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
if !bytes.Equal(Bytes, []byte("hello")) {
|
||||
t.Errorf("expected %x got %x", bytesOut, Bytes)
|
||||
}
|
||||
|
||||
// marshal dynamic bytes length 5
|
||||
buff.Reset()
|
||||
buff.Write(common.RightPadBytes([]byte("hello"), 32))
|
||||
|
||||
var hash common.Hash
|
||||
err = abi.Unpack(&hash, "fixed", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
helloHash := common.BytesToHash(common.RightPadBytes([]byte("hello"), 32))
|
||||
if hash != helloHash {
|
||||
t.Errorf("Expected %x to equal %x", hash, helloHash)
|
||||
}
|
||||
|
||||
// marshal error
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
||||
err = abi.Unpack(&Bytes, "bytes", buff.Bytes())
|
||||
if err == nil {
|
||||
t.Error("expected error")
|
||||
}
|
||||
|
||||
err = abi.Unpack(&Bytes, "multi", make([]byte, 64))
|
||||
if err == nil {
|
||||
t.Error("expected error")
|
||||
}
|
||||
|
||||
// marshal mixed bytes
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040"))
|
||||
fixed := common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001")
|
||||
buff.Write(fixed)
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
||||
bytesOut = common.RightPadBytes([]byte("hello"), 32)
|
||||
buff.Write(bytesOut)
|
||||
|
||||
var out []interface{}
|
||||
err = abi.Unpack(&out, "mixedBytes", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Fatal("didn't expect error:", err)
|
||||
}
|
||||
|
||||
if !bytes.Equal(bytesOut, out[0].([]byte)) {
|
||||
t.Errorf("expected %x, got %x", bytesOut, out[0])
|
||||
}
|
||||
|
||||
if !bytes.Equal(fixed, out[1].([]byte)) {
|
||||
t.Errorf("expected %x, got %x", fixed, out[1])
|
||||
}
|
||||
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000002"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000003"))
|
||||
// marshal int array
|
||||
var intArray [3]*big.Int
|
||||
err = abi.Unpack(&intArray, "intArraySingle", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
var testAgainstIntArray [3]*big.Int
|
||||
testAgainstIntArray[0] = big.NewInt(1)
|
||||
testAgainstIntArray[1] = big.NewInt(2)
|
||||
testAgainstIntArray[2] = big.NewInt(3)
|
||||
|
||||
for i, Int := range intArray {
|
||||
if Int.Cmp(testAgainstIntArray[i]) != 0 {
|
||||
t.Errorf("expected %v, got %v", testAgainstIntArray[i], Int)
|
||||
}
|
||||
}
|
||||
// marshal address slice
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020")) // offset
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001")) // size
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000100000000000000000000000000000000000000"))
|
||||
|
||||
var outAddr []common.Address
|
||||
err = abi.Unpack(&outAddr, "addressSliceSingle", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Fatal("didn't expect error:", err)
|
||||
}
|
||||
|
||||
if len(outAddr) != 1 {
|
||||
t.Fatal("expected 1 item, got", len(outAddr))
|
||||
}
|
||||
|
||||
if outAddr[0] != (common.Address{1}) {
|
||||
t.Errorf("expected %x, got %x", common.Address{1}, outAddr[0])
|
||||
}
|
||||
|
||||
// marshal multiple address slice
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040")) // offset
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000080")) // offset
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001")) // size
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000100000000000000000000000000000000000000"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000002")) // size
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000200000000000000000000000000000000000000"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000300000000000000000000000000000000000000"))
|
||||
|
||||
var outAddrStruct struct {
|
||||
A []common.Address
|
||||
B []common.Address
|
||||
}
|
||||
err = abi.Unpack(&outAddrStruct, "addressSliceDouble", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Fatal("didn't expect error:", err)
|
||||
}
|
||||
|
||||
if len(outAddrStruct.A) != 1 {
|
||||
t.Fatal("expected 1 item, got", len(outAddrStruct.A))
|
||||
}
|
||||
|
||||
if outAddrStruct.A[0] != (common.Address{1}) {
|
||||
t.Errorf("expected %x, got %x", common.Address{1}, outAddrStruct.A[0])
|
||||
}
|
||||
|
||||
if len(outAddrStruct.B) != 2 {
|
||||
t.Fatal("expected 1 item, got", len(outAddrStruct.B))
|
||||
}
|
||||
|
||||
if outAddrStruct.B[0] != (common.Address{2}) {
|
||||
t.Errorf("expected %x, got %x", common.Address{2}, outAddrStruct.B[0])
|
||||
}
|
||||
if outAddrStruct.B[1] != (common.Address{3}) {
|
||||
t.Errorf("expected %x, got %x", common.Address{3}, outAddrStruct.B[1])
|
||||
}
|
||||
|
||||
// marshal invalid address slice
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000100"))
|
||||
|
||||
err = abi.Unpack(&outAddr, "addressSliceSingle", buff.Bytes())
|
||||
if err == nil {
|
||||
t.Fatal("expected error:", err)
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -18,7 +18,6 @@ package abi
|
|||
|
||||
import (
|
||||
"bytes"
|
||||
"math"
|
||||
"math/big"
|
||||
"reflect"
|
||||
"testing"
|
||||
|
|
@ -34,43 +33,6 @@ func TestNumberTypes(t *testing.T) {
|
|||
}
|
||||
}
|
||||
|
||||
func TestPackNumber(t *testing.T) {
|
||||
tests := []struct {
|
||||
value reflect.Value
|
||||
packed []byte
|
||||
}{
|
||||
// Protocol limits
|
||||
{reflect.ValueOf(0), []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
|
||||
{reflect.ValueOf(1), []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1}},
|
||||
{reflect.ValueOf(-1), []byte{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255}},
|
||||
|
||||
// Type corner cases
|
||||
{reflect.ValueOf(uint8(math.MaxUint8)), []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255}},
|
||||
{reflect.ValueOf(uint16(math.MaxUint16)), []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255}},
|
||||
{reflect.ValueOf(uint32(math.MaxUint32)), []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255}},
|
||||
{reflect.ValueOf(uint64(math.MaxUint64)), []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255}},
|
||||
|
||||
{reflect.ValueOf(int8(math.MaxInt8)), []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 127}},
|
||||
{reflect.ValueOf(int16(math.MaxInt16)), []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 127, 255}},
|
||||
{reflect.ValueOf(int32(math.MaxInt32)), []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 127, 255, 255, 255}},
|
||||
{reflect.ValueOf(int64(math.MaxInt64)), []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 127, 255, 255, 255, 255, 255, 255, 255}},
|
||||
|
||||
{reflect.ValueOf(int8(math.MinInt8)), []byte{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 128}},
|
||||
{reflect.ValueOf(int16(math.MinInt16)), []byte{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 128, 0}},
|
||||
{reflect.ValueOf(int32(math.MinInt32)), []byte{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 128, 0, 0, 0}},
|
||||
{reflect.ValueOf(int64(math.MinInt64)), []byte{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 128, 0, 0, 0, 0, 0, 0, 0}},
|
||||
}
|
||||
for i, tt := range tests {
|
||||
packed := packNum(tt.value)
|
||||
if !bytes.Equal(packed, tt.packed) {
|
||||
t.Errorf("test %d: pack mismatch: have %x, want %x", i, packed, tt.packed)
|
||||
}
|
||||
}
|
||||
if packed := packNum(reflect.ValueOf("string")); packed != nil {
|
||||
t.Errorf("expected 'string' to pack to nil. got %x instead", packed)
|
||||
}
|
||||
}
|
||||
|
||||
func TestSigned(t *testing.T) {
|
||||
if isSigned(reflect.ValueOf(uint(10))) {
|
||||
t.Error("signed")
|
||||
|
|
|
|||
163
accounts/abi/pack_test.go
Normal file
163
accounts/abi/pack_test.go
Normal file
|
|
@ -0,0 +1,163 @@
|
|||
// Copyright 2015 The go-ethereum Authors
|
||||
// This file is part of the go-ethereum library.
|
||||
//
|
||||
// The go-ethereum library is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU Lesser General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// The go-ethereum library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU Lesser General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Lesser General Public License
|
||||
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
package abi
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"math"
|
||||
"math/big"
|
||||
"reflect"
|
||||
"strings"
|
||||
"testing"
|
||||
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
)
|
||||
|
||||
func TestPack(t *testing.T) {
|
||||
for i, test := range []struct {
|
||||
typ string
|
||||
|
||||
input interface{}
|
||||
output []byte
|
||||
}{
|
||||
{"uint16", uint16(2), pad([]byte{2}, 32, true)},
|
||||
{"uint16[]", []uint16{1, 2}, formatSliceOutput([]byte{1}, []byte{2})},
|
||||
{"bytes20", [20]byte{1}, pad([]byte{1}, 32, false)},
|
||||
{"uint256[]", []*big.Int{big.NewInt(1), big.NewInt(2)}, formatSliceOutput([]byte{1}, []byte{2})},
|
||||
{"address[]", []common.Address{{1}, {2}}, formatSliceOutput(pad([]byte{1}, 20, false), pad([]byte{2}, 20, false))},
|
||||
{"bytes32[]", []common.Hash{{1}, {2}}, formatSliceOutput(pad([]byte{1}, 32, false), pad([]byte{2}, 32, false))},
|
||||
{"function", [24]byte{1}, pad([]byte{1}, 32, false)},
|
||||
} {
|
||||
typ, err := NewType(test.typ)
|
||||
if err != nil {
|
||||
t.Fatal("unexpected parse error:", err)
|
||||
}
|
||||
|
||||
output, err := typ.pack(reflect.ValueOf(test.input))
|
||||
if err != nil {
|
||||
t.Fatal("unexpected pack error:", err)
|
||||
}
|
||||
|
||||
if !bytes.Equal(output, test.output) {
|
||||
t.Errorf("%d failed. Expected bytes: '%x' Got: '%x'", i, test.output, output)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestMethodPack(t *testing.T) {
|
||||
abi, err := JSON(strings.NewReader(jsondata2))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
sig := abi.Methods["slice"].Id()
|
||||
sig = append(sig, common.LeftPadBytes([]byte{1}, 32)...)
|
||||
sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
|
||||
|
||||
packed, err := abi.Pack("slice", []uint32{1, 2})
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
if !bytes.Equal(packed, sig) {
|
||||
t.Errorf("expected %x got %x", sig, packed)
|
||||
}
|
||||
|
||||
var addrA, addrB = common.Address{1}, common.Address{2}
|
||||
sig = abi.Methods["sliceAddress"].Id()
|
||||
sig = append(sig, common.LeftPadBytes([]byte{32}, 32)...)
|
||||
sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
|
||||
sig = append(sig, common.LeftPadBytes(addrA[:], 32)...)
|
||||
sig = append(sig, common.LeftPadBytes(addrB[:], 32)...)
|
||||
|
||||
packed, err = abi.Pack("sliceAddress", []common.Address{addrA, addrB})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if !bytes.Equal(packed, sig) {
|
||||
t.Errorf("expected %x got %x", sig, packed)
|
||||
}
|
||||
|
||||
var addrC, addrD = common.Address{3}, common.Address{4}
|
||||
sig = abi.Methods["sliceMultiAddress"].Id()
|
||||
sig = append(sig, common.LeftPadBytes([]byte{64}, 32)...)
|
||||
sig = append(sig, common.LeftPadBytes([]byte{160}, 32)...)
|
||||
sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
|
||||
sig = append(sig, common.LeftPadBytes(addrA[:], 32)...)
|
||||
sig = append(sig, common.LeftPadBytes(addrB[:], 32)...)
|
||||
sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
|
||||
sig = append(sig, common.LeftPadBytes(addrC[:], 32)...)
|
||||
sig = append(sig, common.LeftPadBytes(addrD[:], 32)...)
|
||||
|
||||
packed, err = abi.Pack("sliceMultiAddress", []common.Address{addrA, addrB}, []common.Address{addrC, addrD})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if !bytes.Equal(packed, sig) {
|
||||
t.Errorf("expected %x got %x", sig, packed)
|
||||
}
|
||||
|
||||
sig = abi.Methods["slice256"].Id()
|
||||
sig = append(sig, common.LeftPadBytes([]byte{1}, 32)...)
|
||||
sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
|
||||
|
||||
packed, err = abi.Pack("slice256", []*big.Int{big.NewInt(1), big.NewInt(2)})
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
if !bytes.Equal(packed, sig) {
|
||||
t.Errorf("expected %x got %x", sig, packed)
|
||||
}
|
||||
}
|
||||
|
||||
func TestPackNumber(t *testing.T) {
|
||||
tests := []struct {
|
||||
value reflect.Value
|
||||
packed []byte
|
||||
}{
|
||||
// Protocol limits
|
||||
{reflect.ValueOf(0), []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
|
||||
{reflect.ValueOf(1), []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1}},
|
||||
{reflect.ValueOf(-1), []byte{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255}},
|
||||
|
||||
// Type corner cases
|
||||
{reflect.ValueOf(uint8(math.MaxUint8)), []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255}},
|
||||
{reflect.ValueOf(uint16(math.MaxUint16)), []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255}},
|
||||
{reflect.ValueOf(uint32(math.MaxUint32)), []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255}},
|
||||
{reflect.ValueOf(uint64(math.MaxUint64)), []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255}},
|
||||
|
||||
{reflect.ValueOf(int8(math.MaxInt8)), []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 127}},
|
||||
{reflect.ValueOf(int16(math.MaxInt16)), []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 127, 255}},
|
||||
{reflect.ValueOf(int32(math.MaxInt32)), []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 127, 255, 255, 255}},
|
||||
{reflect.ValueOf(int64(math.MaxInt64)), []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 127, 255, 255, 255, 255, 255, 255, 255}},
|
||||
|
||||
{reflect.ValueOf(int8(math.MinInt8)), []byte{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 128}},
|
||||
{reflect.ValueOf(int16(math.MinInt16)), []byte{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 128, 0}},
|
||||
{reflect.ValueOf(int32(math.MinInt32)), []byte{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 128, 0, 0, 0}},
|
||||
{reflect.ValueOf(int64(math.MinInt64)), []byte{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 128, 0, 0, 0, 0, 0, 0, 0}},
|
||||
}
|
||||
for i, tt := range tests {
|
||||
packed := packNum(tt.value)
|
||||
if !bytes.Equal(packed, tt.packed) {
|
||||
t.Errorf("test %d: pack mismatch: have %x, want %x", i, packed, tt.packed)
|
||||
}
|
||||
}
|
||||
if packed := packNum(reflect.ValueOf("string")); packed != nil {
|
||||
t.Errorf("expected 'string' to pack to nil. got %x instead", packed)
|
||||
}
|
||||
}
|
||||
|
|
@ -17,8 +17,11 @@
|
|||
package abi
|
||||
|
||||
import (
|
||||
"math/big"
|
||||
"reflect"
|
||||
"testing"
|
||||
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
)
|
||||
|
||||
// typeWithoutStringer is a alias for the Type type which simply doesn't implement
|
||||
|
|
@ -94,3 +97,59 @@ func TestTypeRegexp(t *testing.T) {
|
|||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestTypeCheck(t *testing.T) {
|
||||
for i, test := range []struct {
|
||||
typ string
|
||||
input interface{}
|
||||
err string
|
||||
}{
|
||||
{"uint", big.NewInt(1), ""},
|
||||
{"int", big.NewInt(1), ""},
|
||||
{"uint30", big.NewInt(1), ""},
|
||||
{"uint30", uint8(1), "abi: cannot use uint8 as type ptr as argument"},
|
||||
{"uint16", uint16(1), ""},
|
||||
{"uint16", uint8(1), "abi: cannot use uint8 as type uint16 as argument"},
|
||||
{"uint16[]", []uint16{1, 2, 3}, ""},
|
||||
{"uint16[]", [3]uint16{1, 2, 3}, ""},
|
||||
{"uint16[]", []uint32{1, 2, 3}, "abi: cannot use []uint32 as type []uint16 as argument"},
|
||||
{"uint16[3]", [3]uint32{1, 2, 3}, "abi: cannot use [3]uint32 as type [3]uint16 as argument"},
|
||||
{"uint16[3]", [4]uint16{1, 2, 3}, "abi: cannot use [4]uint16 as type [3]uint16 as argument"},
|
||||
{"uint16[3]", []uint16{1, 2, 3}, ""},
|
||||
{"uint16[3]", []uint16{1, 2, 3, 4}, "abi: cannot use [4]uint16 as type [3]uint16 as argument"},
|
||||
{"address[]", []common.Address{{1}}, ""},
|
||||
{"address[1]", []common.Address{{1}}, ""},
|
||||
{"address[1]", [1]common.Address{{1}}, ""},
|
||||
{"address[2]", [1]common.Address{{1}}, "abi: cannot use [1]array as type [2]array as argument"},
|
||||
{"bytes32", [32]byte{}, ""},
|
||||
{"bytes32", [33]byte{}, "abi: cannot use [33]uint8 as type [32]uint8 as argument"},
|
||||
{"bytes32", common.Hash{1}, ""},
|
||||
{"bytes31", [31]byte{}, ""},
|
||||
{"bytes31", [32]byte{}, "abi: cannot use [32]uint8 as type [31]uint8 as argument"},
|
||||
{"bytes", []byte{0, 1}, ""},
|
||||
{"bytes", [2]byte{0, 1}, ""},
|
||||
{"bytes", common.Hash{1}, ""},
|
||||
{"string", "hello world", ""},
|
||||
{"bytes32[]", [][32]byte{{}}, ""},
|
||||
{"function", [24]byte{}, ""},
|
||||
} {
|
||||
typ, err := NewType(test.typ)
|
||||
if err != nil {
|
||||
t.Fatal("unexpected parse error:", err)
|
||||
}
|
||||
|
||||
err = typeCheck(typ, reflect.ValueOf(test.input))
|
||||
if err != nil && len(test.err) == 0 {
|
||||
t.Errorf("%d failed. Expected no err but got: %v", i, err)
|
||||
continue
|
||||
}
|
||||
if err == nil && len(test.err) != 0 {
|
||||
t.Errorf("%d failed. Expected err: %v but got none", i, test.err)
|
||||
continue
|
||||
}
|
||||
|
||||
if err != nil && len(test.err) != 0 && err.Error() != test.err {
|
||||
t.Errorf("%d failed. Expected err: '%v' got err: '%v'", i, test.err, err)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
687
accounts/abi/unpack_test.go
Normal file
687
accounts/abi/unpack_test.go
Normal file
|
|
@ -0,0 +1,687 @@
|
|||
// Copyright 2015 The go-ethereum Authors
|
||||
// This file is part of the go-ethereum library.
|
||||
//
|
||||
// The go-ethereum library is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU Lesser General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// The go-ethereum library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU Lesser General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Lesser General Public License
|
||||
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
package abi
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"fmt"
|
||||
"math/big"
|
||||
"reflect"
|
||||
"strings"
|
||||
"testing"
|
||||
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
)
|
||||
|
||||
func TestSimpleMethodUnpack(t *testing.T) {
|
||||
for i, test := range []struct {
|
||||
def string // definition of the **output** ABI params
|
||||
marshalledOutput []byte // evm return data
|
||||
expectedOut interface{} // the expected output
|
||||
outVar string // the output variable (e.g. uint32, *big.Int, etc)
|
||||
err string // empty or error if expected
|
||||
}{
|
||||
{
|
||||
`[ { "type": "bool" } ]`,
|
||||
pad([]byte{1}, 32, true),
|
||||
bool(true),
|
||||
"bool",
|
||||
"",
|
||||
},
|
||||
{
|
||||
`[ { "type": "uint32" } ]`,
|
||||
pad([]byte{1}, 32, true),
|
||||
uint32(1),
|
||||
"uint32",
|
||||
"",
|
||||
},
|
||||
{
|
||||
`[ { "type": "uint32" } ]`,
|
||||
pad([]byte{1}, 32, true),
|
||||
nil,
|
||||
"uint16",
|
||||
"abi: cannot unmarshal uint32 in to uint16",
|
||||
},
|
||||
{
|
||||
`[ { "type": "uint17" } ]`,
|
||||
pad([]byte{1}, 32, true),
|
||||
nil,
|
||||
"uint16",
|
||||
"abi: cannot unmarshal *big.Int in to uint16",
|
||||
},
|
||||
{
|
||||
`[ { "type": "uint17" } ]`,
|
||||
pad([]byte{1}, 32, true),
|
||||
big.NewInt(1),
|
||||
"*big.Int",
|
||||
"",
|
||||
},
|
||||
|
||||
{
|
||||
`[ { "type": "int32" } ]`,
|
||||
pad([]byte{1}, 32, true),
|
||||
int32(1),
|
||||
"int32",
|
||||
"",
|
||||
},
|
||||
{
|
||||
`[ { "type": "int32" } ]`,
|
||||
pad([]byte{1}, 32, true),
|
||||
nil,
|
||||
"int16",
|
||||
"abi: cannot unmarshal int32 in to int16",
|
||||
},
|
||||
{
|
||||
`[ { "type": "int17" } ]`,
|
||||
pad([]byte{1}, 32, true),
|
||||
nil,
|
||||
"int16",
|
||||
"abi: cannot unmarshal *big.Int in to int16",
|
||||
},
|
||||
{
|
||||
`[ { "type": "int17" } ]`,
|
||||
pad([]byte{1}, 32, true),
|
||||
big.NewInt(1),
|
||||
"*big.Int",
|
||||
"",
|
||||
},
|
||||
|
||||
{
|
||||
`[ { "type": "address" } ]`,
|
||||
pad(pad([]byte{1}, 20, false), 32, true),
|
||||
common.Address{1},
|
||||
"address",
|
||||
"",
|
||||
},
|
||||
{
|
||||
`[ { "type": "bytes32" } ]`,
|
||||
pad([]byte{1}, 32, false),
|
||||
pad([]byte{1}, 32, false),
|
||||
"bytes",
|
||||
"",
|
||||
},
|
||||
{
|
||||
`[ { "type": "bytes32" } ]`,
|
||||
pad([]byte{1}, 32, false),
|
||||
pad([]byte{1}, 32, false),
|
||||
"hash",
|
||||
"",
|
||||
},
|
||||
{
|
||||
`[ { "type": "bytes32" } ]`,
|
||||
pad([]byte{1}, 32, false),
|
||||
pad([]byte{1}, 32, false),
|
||||
"interface",
|
||||
"",
|
||||
},
|
||||
{
|
||||
`[ { "type": "function" } ]`,
|
||||
pad([]byte{1}, 32, false),
|
||||
[24]byte{1},
|
||||
"function",
|
||||
"",
|
||||
},
|
||||
} {
|
||||
abiDefinition := fmt.Sprintf(`[{ "name" : "method", "outputs": %s}]`, test.def)
|
||||
abi, err := JSON(strings.NewReader(abiDefinition))
|
||||
if err != nil {
|
||||
t.Errorf("%d failed. %v", i, err)
|
||||
continue
|
||||
}
|
||||
|
||||
var outvar interface{}
|
||||
switch test.outVar {
|
||||
case "bool":
|
||||
var v bool
|
||||
err = abi.Unpack(&v, "method", test.marshalledOutput)
|
||||
outvar = v
|
||||
case "uint8":
|
||||
var v uint8
|
||||
err = abi.Unpack(&v, "method", test.marshalledOutput)
|
||||
outvar = v
|
||||
case "uint16":
|
||||
var v uint16
|
||||
err = abi.Unpack(&v, "method", test.marshalledOutput)
|
||||
outvar = v
|
||||
case "uint32":
|
||||
var v uint32
|
||||
err = abi.Unpack(&v, "method", test.marshalledOutput)
|
||||
outvar = v
|
||||
case "uint64":
|
||||
var v uint64
|
||||
err = abi.Unpack(&v, "method", test.marshalledOutput)
|
||||
outvar = v
|
||||
case "int8":
|
||||
var v int8
|
||||
err = abi.Unpack(&v, "method", test.marshalledOutput)
|
||||
outvar = v
|
||||
case "int16":
|
||||
var v int16
|
||||
err = abi.Unpack(&v, "method", test.marshalledOutput)
|
||||
outvar = v
|
||||
case "int32":
|
||||
var v int32
|
||||
err = abi.Unpack(&v, "method", test.marshalledOutput)
|
||||
outvar = v
|
||||
case "int64":
|
||||
var v int64
|
||||
err = abi.Unpack(&v, "method", test.marshalledOutput)
|
||||
outvar = v
|
||||
case "*big.Int":
|
||||
var v *big.Int
|
||||
err = abi.Unpack(&v, "method", test.marshalledOutput)
|
||||
outvar = v
|
||||
case "address":
|
||||
var v common.Address
|
||||
err = abi.Unpack(&v, "method", test.marshalledOutput)
|
||||
outvar = v
|
||||
case "bytes":
|
||||
var v []byte
|
||||
err = abi.Unpack(&v, "method", test.marshalledOutput)
|
||||
outvar = v
|
||||
case "hash":
|
||||
var v common.Hash
|
||||
err = abi.Unpack(&v, "method", test.marshalledOutput)
|
||||
outvar = v
|
||||
case "function":
|
||||
var v [24]byte
|
||||
err = abi.Unpack(&v, "method", test.marshalledOutput)
|
||||
outvar = v
|
||||
case "interface":
|
||||
err = abi.Unpack(&outvar, "method", test.marshalledOutput)
|
||||
default:
|
||||
t.Errorf("unsupported type '%v' please add it to the switch statement in this test", test.outVar)
|
||||
continue
|
||||
}
|
||||
|
||||
if err != nil && len(test.err) == 0 {
|
||||
t.Errorf("%d failed. Expected no err but got: %v", i, err)
|
||||
continue
|
||||
}
|
||||
if err == nil && len(test.err) != 0 {
|
||||
t.Errorf("%d failed. Expected err: %v but got none", i, test.err)
|
||||
continue
|
||||
}
|
||||
if err != nil && len(test.err) != 0 && err.Error() != test.err {
|
||||
t.Errorf("%d failed. Expected err: '%v' got err: '%v'", i, test.err, err)
|
||||
continue
|
||||
}
|
||||
|
||||
if err == nil {
|
||||
// bit of an ugly hack for hash type but I don't feel like finding a proper solution
|
||||
if test.outVar == "hash" {
|
||||
tmp := outvar.(common.Hash) // without assignment it's unaddressable
|
||||
outvar = tmp[:]
|
||||
}
|
||||
|
||||
if !reflect.DeepEqual(test.expectedOut, outvar) {
|
||||
t.Errorf("%d failed. Output error: expected %v, got %v", i, test.expectedOut, outvar)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestUnpackSetInterfaceSlice(t *testing.T) {
|
||||
var (
|
||||
var1 = new(uint8)
|
||||
var2 = new(uint8)
|
||||
)
|
||||
out := []interface{}{var1, var2}
|
||||
abi, err := JSON(strings.NewReader(`[{"type":"function", "name":"ints", "outputs":[{"type":"uint8"}, {"type":"uint8"}]}]`))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
marshalledReturn := append(pad([]byte{1}, 32, true), pad([]byte{2}, 32, true)...)
|
||||
err = abi.Unpack(&out, "ints", marshalledReturn)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if *var1 != 1 {
|
||||
t.Error("expected var1 to be 1, got", *var1)
|
||||
}
|
||||
if *var2 != 2 {
|
||||
t.Error("expected var2 to be 2, got", *var2)
|
||||
}
|
||||
|
||||
out = []interface{}{var1}
|
||||
err = abi.Unpack(&out, "ints", marshalledReturn)
|
||||
|
||||
expErr := "abi: cannot marshal in to slices of unequal size (require: 2, got: 1)"
|
||||
if err == nil || err.Error() != expErr {
|
||||
t.Error("expected err:", expErr, "Got:", err)
|
||||
}
|
||||
}
|
||||
|
||||
func TestUnpackSetInterfaceArrayOutput(t *testing.T) {
|
||||
var (
|
||||
var1 = new([1]uint32)
|
||||
var2 = new([1]uint32)
|
||||
)
|
||||
out := []interface{}{var1, var2}
|
||||
abi, err := JSON(strings.NewReader(`[{"type":"function", "name":"ints", "outputs":[{"type":"uint32[1]"}, {"type":"uint32[1]"}]}]`))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
marshalledReturn := append(pad([]byte{1}, 32, true), pad([]byte{2}, 32, true)...)
|
||||
err = abi.Unpack(&out, "ints", marshalledReturn)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
if *var1 != [1]uint32{1} {
|
||||
t.Error("expected var1 to be [1], got", *var1)
|
||||
}
|
||||
if *var2 != [1]uint32{2} {
|
||||
t.Error("expected var2 to be [2], got", *var2)
|
||||
}
|
||||
}
|
||||
|
||||
func TestMultiReturnWithStruct(t *testing.T) {
|
||||
const definition = `[
|
||||
{ "name" : "multi", "constant" : false, "outputs": [ { "name": "Int", "type": "uint256" }, { "name": "String", "type": "string" } ] }]`
|
||||
|
||||
abi, err := JSON(strings.NewReader(definition))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
// using buff to make the code readable
|
||||
buff := new(bytes.Buffer)
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000005"))
|
||||
stringOut := "hello"
|
||||
buff.Write(common.RightPadBytes([]byte(stringOut), 32))
|
||||
|
||||
var inter struct {
|
||||
Int *big.Int
|
||||
String string
|
||||
}
|
||||
err = abi.Unpack(&inter, "multi", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
if inter.Int == nil || inter.Int.Cmp(big.NewInt(1)) != 0 {
|
||||
t.Error("expected Int to be 1 got", inter.Int)
|
||||
}
|
||||
|
||||
if inter.String != stringOut {
|
||||
t.Error("expected String to be", stringOut, "got", inter.String)
|
||||
}
|
||||
|
||||
var reversed struct {
|
||||
String string
|
||||
Int *big.Int
|
||||
}
|
||||
|
||||
err = abi.Unpack(&reversed, "multi", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
if reversed.Int == nil || reversed.Int.Cmp(big.NewInt(1)) != 0 {
|
||||
t.Error("expected Int to be 1 got", reversed.Int)
|
||||
}
|
||||
|
||||
if reversed.String != stringOut {
|
||||
t.Error("expected String to be", stringOut, "got", reversed.String)
|
||||
}
|
||||
}
|
||||
|
||||
func TestMultiReturnWithSlice(t *testing.T) {
|
||||
const definition = `[
|
||||
{ "name" : "multi", "constant" : false, "outputs": [ { "name": "Int", "type": "uint256" }, { "name": "String", "type": "string" } ] }]`
|
||||
|
||||
abi, err := JSON(strings.NewReader(definition))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
// using buff to make the code readable
|
||||
buff := new(bytes.Buffer)
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000005"))
|
||||
stringOut := "hello"
|
||||
buff.Write(common.RightPadBytes([]byte(stringOut), 32))
|
||||
|
||||
var inter []interface{}
|
||||
err = abi.Unpack(&inter, "multi", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
if len(inter) != 2 {
|
||||
t.Fatal("expected 2 results got", len(inter))
|
||||
}
|
||||
|
||||
if num, ok := inter[0].(*big.Int); !ok || num.Cmp(big.NewInt(1)) != 0 {
|
||||
t.Error("expected index 0 to be 1 got", num)
|
||||
}
|
||||
|
||||
if str, ok := inter[1].(string); !ok || str != stringOut {
|
||||
t.Error("expected index 1 to be", stringOut, "got", str)
|
||||
}
|
||||
}
|
||||
|
||||
func TestMarshalArrays(t *testing.T) {
|
||||
const definition = `[
|
||||
{ "name" : "bytes32", "constant" : false, "outputs": [ { "type": "bytes32" } ] },
|
||||
{ "name" : "bytes10", "constant" : false, "outputs": [ { "type": "bytes10" } ] }
|
||||
]`
|
||||
|
||||
abi, err := JSON(strings.NewReader(definition))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
output := common.LeftPadBytes([]byte{1}, 32)
|
||||
|
||||
var bytes10 [10]byte
|
||||
err = abi.Unpack(&bytes10, "bytes32", output)
|
||||
if err == nil || err.Error() != "abi: cannot unmarshal src (len=32) in to dst (len=10)" {
|
||||
t.Error("expected error or bytes32 not be assignable to bytes10:", err)
|
||||
}
|
||||
|
||||
var bytes32 [32]byte
|
||||
err = abi.Unpack(&bytes32, "bytes32", output)
|
||||
if err != nil {
|
||||
t.Error("didn't expect error:", err)
|
||||
}
|
||||
if !bytes.Equal(bytes32[:], output) {
|
||||
t.Error("expected bytes32[31] to be 1 got", bytes32[31])
|
||||
}
|
||||
|
||||
type (
|
||||
B10 [10]byte
|
||||
B32 [32]byte
|
||||
)
|
||||
|
||||
var b10 B10
|
||||
err = abi.Unpack(&b10, "bytes32", output)
|
||||
if err == nil || err.Error() != "abi: cannot unmarshal src (len=32) in to dst (len=10)" {
|
||||
t.Error("expected error or bytes32 not be assignable to bytes10:", err)
|
||||
}
|
||||
|
||||
var b32 B32
|
||||
err = abi.Unpack(&b32, "bytes32", output)
|
||||
if err != nil {
|
||||
t.Error("didn't expect error:", err)
|
||||
}
|
||||
if !bytes.Equal(b32[:], output) {
|
||||
t.Error("expected bytes32[31] to be 1 got", bytes32[31])
|
||||
}
|
||||
|
||||
output[10] = 1
|
||||
var shortAssignLong [32]byte
|
||||
err = abi.Unpack(&shortAssignLong, "bytes10", output)
|
||||
if err != nil {
|
||||
t.Error("didn't expect error:", err)
|
||||
}
|
||||
if !bytes.Equal(output, shortAssignLong[:]) {
|
||||
t.Errorf("expected %x to be %x", shortAssignLong, output)
|
||||
}
|
||||
}
|
||||
|
||||
func TestUnmarshal(t *testing.T) {
|
||||
const definition = `[
|
||||
{ "name" : "int", "constant" : false, "outputs": [ { "type": "uint256" } ] },
|
||||
{ "name" : "bool", "constant" : false, "outputs": [ { "type": "bool" } ] },
|
||||
{ "name" : "bytes", "constant" : false, "outputs": [ { "type": "bytes" } ] },
|
||||
{ "name" : "fixed", "constant" : false, "outputs": [ { "type": "bytes32" } ] },
|
||||
{ "name" : "multi", "constant" : false, "outputs": [ { "type": "bytes" }, { "type": "bytes" } ] },
|
||||
{ "name" : "intArraySingle", "constant" : false, "outputs": [ { "type": "uint256[3]" } ] },
|
||||
{ "name" : "addressSliceSingle", "constant" : false, "outputs": [ { "type": "address[]" } ] },
|
||||
{ "name" : "addressSliceDouble", "constant" : false, "outputs": [ { "name": "a", "type": "address[]" }, { "name": "b", "type": "address[]" } ] },
|
||||
{ "name" : "mixedBytes", "constant" : true, "outputs": [ { "name": "a", "type": "bytes" }, { "name": "b", "type": "bytes32" } ] }]`
|
||||
|
||||
abi, err := JSON(strings.NewReader(definition))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
buff := new(bytes.Buffer)
|
||||
|
||||
// marshal int
|
||||
var Int *big.Int
|
||||
err = abi.Unpack(&Int, "int", common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
if Int == nil || Int.Cmp(big.NewInt(1)) != 0 {
|
||||
t.Error("expected Int to be 1 got", Int)
|
||||
}
|
||||
|
||||
// marshal bool
|
||||
var Bool bool
|
||||
err = abi.Unpack(&Bool, "bool", common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
if !Bool {
|
||||
t.Error("expected Bool to be true")
|
||||
}
|
||||
|
||||
// marshal dynamic bytes max length 32
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
||||
bytesOut := common.RightPadBytes([]byte("hello"), 32)
|
||||
buff.Write(bytesOut)
|
||||
|
||||
var Bytes []byte
|
||||
err = abi.Unpack(&Bytes, "bytes", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
if !bytes.Equal(Bytes, bytesOut) {
|
||||
t.Errorf("expected %x got %x", bytesOut, Bytes)
|
||||
}
|
||||
|
||||
// marshall dynamic bytes max length 64
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040"))
|
||||
bytesOut = common.RightPadBytes([]byte("hello"), 64)
|
||||
buff.Write(bytesOut)
|
||||
|
||||
err = abi.Unpack(&Bytes, "bytes", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
if !bytes.Equal(Bytes, bytesOut) {
|
||||
t.Errorf("expected %x got %x", bytesOut, Bytes)
|
||||
}
|
||||
|
||||
// marshall dynamic bytes max length 63
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
||||
buff.Write(common.Hex2Bytes("000000000000000000000000000000000000000000000000000000000000003f"))
|
||||
bytesOut = common.RightPadBytes([]byte("hello"), 63)
|
||||
buff.Write(bytesOut)
|
||||
|
||||
err = abi.Unpack(&Bytes, "bytes", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
if !bytes.Equal(Bytes, bytesOut) {
|
||||
t.Errorf("expected %x got %x", bytesOut, Bytes)
|
||||
}
|
||||
|
||||
// marshal dynamic bytes output empty
|
||||
err = abi.Unpack(&Bytes, "bytes", nil)
|
||||
if err == nil {
|
||||
t.Error("expected error")
|
||||
}
|
||||
|
||||
// marshal dynamic bytes length 5
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000005"))
|
||||
buff.Write(common.RightPadBytes([]byte("hello"), 32))
|
||||
|
||||
err = abi.Unpack(&Bytes, "bytes", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
if !bytes.Equal(Bytes, []byte("hello")) {
|
||||
t.Errorf("expected %x got %x", bytesOut, Bytes)
|
||||
}
|
||||
|
||||
// marshal dynamic bytes length 5
|
||||
buff.Reset()
|
||||
buff.Write(common.RightPadBytes([]byte("hello"), 32))
|
||||
|
||||
var hash common.Hash
|
||||
err = abi.Unpack(&hash, "fixed", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
helloHash := common.BytesToHash(common.RightPadBytes([]byte("hello"), 32))
|
||||
if hash != helloHash {
|
||||
t.Errorf("Expected %x to equal %x", hash, helloHash)
|
||||
}
|
||||
|
||||
// marshal error
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
||||
err = abi.Unpack(&Bytes, "bytes", buff.Bytes())
|
||||
if err == nil {
|
||||
t.Error("expected error")
|
||||
}
|
||||
|
||||
err = abi.Unpack(&Bytes, "multi", make([]byte, 64))
|
||||
if err == nil {
|
||||
t.Error("expected error")
|
||||
}
|
||||
|
||||
// marshal mixed bytes
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040"))
|
||||
fixed := common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001")
|
||||
buff.Write(fixed)
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
||||
bytesOut = common.RightPadBytes([]byte("hello"), 32)
|
||||
buff.Write(bytesOut)
|
||||
|
||||
var out []interface{}
|
||||
err = abi.Unpack(&out, "mixedBytes", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Fatal("didn't expect error:", err)
|
||||
}
|
||||
|
||||
if !bytes.Equal(bytesOut, out[0].([]byte)) {
|
||||
t.Errorf("expected %x, got %x", bytesOut, out[0])
|
||||
}
|
||||
|
||||
if !bytes.Equal(fixed, out[1].([]byte)) {
|
||||
t.Errorf("expected %x, got %x", fixed, out[1])
|
||||
}
|
||||
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000002"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000003"))
|
||||
// marshal int array
|
||||
var intArray [3]*big.Int
|
||||
err = abi.Unpack(&intArray, "intArraySingle", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
var testAgainstIntArray [3]*big.Int
|
||||
testAgainstIntArray[0] = big.NewInt(1)
|
||||
testAgainstIntArray[1] = big.NewInt(2)
|
||||
testAgainstIntArray[2] = big.NewInt(3)
|
||||
|
||||
for i, Int := range intArray {
|
||||
if Int.Cmp(testAgainstIntArray[i]) != 0 {
|
||||
t.Errorf("expected %v, got %v", testAgainstIntArray[i], Int)
|
||||
}
|
||||
}
|
||||
// marshal address slice
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020")) // offset
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001")) // size
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000100000000000000000000000000000000000000"))
|
||||
|
||||
var outAddr []common.Address
|
||||
err = abi.Unpack(&outAddr, "addressSliceSingle", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Fatal("didn't expect error:", err)
|
||||
}
|
||||
|
||||
if len(outAddr) != 1 {
|
||||
t.Fatal("expected 1 item, got", len(outAddr))
|
||||
}
|
||||
|
||||
if outAddr[0] != (common.Address{1}) {
|
||||
t.Errorf("expected %x, got %x", common.Address{1}, outAddr[0])
|
||||
}
|
||||
|
||||
// marshal multiple address slice
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040")) // offset
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000080")) // offset
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001")) // size
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000100000000000000000000000000000000000000"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000002")) // size
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000200000000000000000000000000000000000000"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000300000000000000000000000000000000000000"))
|
||||
|
||||
var outAddrStruct struct {
|
||||
A []common.Address
|
||||
B []common.Address
|
||||
}
|
||||
err = abi.Unpack(&outAddrStruct, "addressSliceDouble", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Fatal("didn't expect error:", err)
|
||||
}
|
||||
|
||||
if len(outAddrStruct.A) != 1 {
|
||||
t.Fatal("expected 1 item, got", len(outAddrStruct.A))
|
||||
}
|
||||
|
||||
if outAddrStruct.A[0] != (common.Address{1}) {
|
||||
t.Errorf("expected %x, got %x", common.Address{1}, outAddrStruct.A[0])
|
||||
}
|
||||
|
||||
if len(outAddrStruct.B) != 2 {
|
||||
t.Fatal("expected 1 item, got", len(outAddrStruct.B))
|
||||
}
|
||||
|
||||
if outAddrStruct.B[0] != (common.Address{2}) {
|
||||
t.Errorf("expected %x, got %x", common.Address{2}, outAddrStruct.B[0])
|
||||
}
|
||||
if outAddrStruct.B[1] != (common.Address{3}) {
|
||||
t.Errorf("expected %x, got %x", common.Address{3}, outAddrStruct.B[1])
|
||||
}
|
||||
|
||||
// marshal invalid address slice
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000100"))
|
||||
|
||||
err = abi.Unpack(&outAddr, "addressSliceSingle", buff.Bytes())
|
||||
if err == nil {
|
||||
t.Fatal("expected error:", err)
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue