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accounts/abi: add support for unpacking returned bytesN arrays (#15242)

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This commit is contained in:
bas-vk
2018-12-22 11:26:49 +01:00
committed by Guillaume Ballet
parent 5e4fd8e7db
commit 7df52e324c
2 changed files with 64 additions and 0 deletions
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49
accounts/abi/unpack_test.go
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@ -364,6 +364,55 @@ func TestUnpack(t *testing.T) {
}
}
func TestUnpackSetDynamicArrayOutput(t *testing.T) {
abi, err := JSON(strings.NewReader(`[{"constant":true,"inputs":[],"name":"testDynamicFixedBytes15","outputs":[{"name":"","type":"bytes15[]"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"testDynamicFixedBytes32","outputs":[{"name":"","type":"bytes32[]"}],"payable":false,"stateMutability":"view","type":"function"}]`))
if err != nil {
t.Fatal(err)
}
var (
marshalledReturn32 = common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000230783132333435363738393000000000000000000000000000000000000000003078303938373635343332310000000000000000000000000000000000000000")
marshalledReturn15 = common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000230783031323334350000000000000000000000000000000000000000000000003078393837363534000000000000000000000000000000000000000000000000")
out32 [][32]byte
out15 [][15]byte
)
// test 32
err = abi.Unpack(&out32, "testDynamicFixedBytes32", marshalledReturn32)
if err != nil {
t.Fatal(err)
}
if len(out32) != 2 {
t.Fatalf("expected array with 2 values, got %d", len(out32))
}
expected := common.Hex2Bytes("3078313233343536373839300000000000000000000000000000000000000000")
if !bytes.Equal(out32[0][:], expected) {
t.Errorf("expected %x, got %x\n", expected, out32[0])
}
expected = common.Hex2Bytes("3078303938373635343332310000000000000000000000000000000000000000")
if !bytes.Equal(out32[1][:], expected) {
t.Errorf("expected %x, got %x\n", expected, out32[1])
}
// test 15
err = abi.Unpack(&out15, "testDynamicFixedBytes32", marshalledReturn15)
if err != nil {
t.Fatal(err)
}
if len(out15) != 2 {
t.Fatalf("expected array with 2 values, got %d", len(out15))
}
expected = common.Hex2Bytes("307830313233343500000000000000")
if !bytes.Equal(out15[0][:], expected) {
t.Errorf("expected %x, got %x\n", expected, out15[0])
}
expected = common.Hex2Bytes("307839383736353400000000000000")
if !bytes.Equal(out15[1][:], expected) {
t.Errorf("expected %x, got %x\n", expected, out15[1])
}
}
type methodMultiOutput struct {
Int *big.Int
String string