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[AVAX] Merge Cortina 18 (v0.12.10-rc5)
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// (c) 2023, Ava Labs, Inc. All rights reserved. | ||
// See the file LICENSE for licensing terms. | ||
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package abi | ||
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import ( | ||
"bytes" | ||
"math/big" | ||
"strings" | ||
"testing" | ||
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"github.com/ethereum/go-ethereum/common" | ||
"github.com/stretchr/testify/require" | ||
) | ||
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// Note: This file contains tests in addition to those found in go-ethereum. | ||
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const TEST_ABI = `[{"type":"function","name":"receive","inputs":[{"name":"sender","type":"address"},{"name":"amount","type":"uint256"},{"name":"memo","type":"bytes"}],"outputs":[{"internalType":"bool","name":"isAllowed","type":"bool"}]}]` | ||
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func TestUnpackInputIntoInterface(t *testing.T) { | ||
abi, err := JSON(strings.NewReader(TEST_ABI)) | ||
require.NoError(t, err) | ||
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type inputType struct { | ||
Sender common.Address | ||
Amount *big.Int | ||
Memo []byte | ||
} | ||
input := inputType{ | ||
Sender: common.HexToAddress("0x02"), | ||
Amount: big.NewInt(100), | ||
Memo: []byte("hello"), | ||
} | ||
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rawData, err := abi.Pack("receive", input.Sender, input.Amount, input.Memo) | ||
require.NoError(t, err) | ||
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abi, err = JSON(strings.NewReader(TEST_ABI)) | ||
require.NoError(t, err) | ||
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for _, test := range []struct { | ||
name string | ||
extraPaddingBytes int | ||
strictMode bool | ||
expectedErrorSubstring string | ||
}{ | ||
{ | ||
name: "No extra padding to input data", | ||
strictMode: true, | ||
}, | ||
{ | ||
name: "Valid input data with 32 extra padding(%32) ", | ||
extraPaddingBytes: 32, | ||
strictMode: true, | ||
}, | ||
{ | ||
name: "Valid input data with 64 extra padding(%32)", | ||
extraPaddingBytes: 64, | ||
strictMode: true, | ||
}, | ||
{ | ||
name: "Valid input data with extra padding indivisible by 32", | ||
extraPaddingBytes: 33, | ||
strictMode: true, | ||
expectedErrorSubstring: "abi: improperly formatted input:", | ||
}, | ||
{ | ||
name: "Valid input data with extra padding indivisible by 32, no strict mode", | ||
extraPaddingBytes: 33, | ||
strictMode: false, | ||
}, | ||
} { | ||
{ | ||
t.Run(test.name, func(t *testing.T) { | ||
// skip 4 byte selector | ||
data := rawData[4:] | ||
// Add extra padding to data | ||
data = append(data, make([]byte, test.extraPaddingBytes)...) | ||
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// Unpack into interface | ||
var v inputType | ||
err = abi.UnpackInputIntoInterface(&v, "receive", data, test.strictMode) // skips 4 byte selector | ||
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if test.expectedErrorSubstring != "" { | ||
require.Error(t, err) | ||
require.ErrorContains(t, err, test.expectedErrorSubstring) | ||
} else { | ||
require.NoError(t, err) | ||
// Verify unpacked values match input | ||
require.Equal(t, v.Amount, input.Amount) | ||
require.EqualValues(t, v.Amount, input.Amount) | ||
require.True(t, bytes.Equal(v.Memo, input.Memo)) | ||
} | ||
}) | ||
} | ||
} | ||
} | ||
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func TestPackOutput(t *testing.T) { | ||
abi, err := JSON(strings.NewReader(TEST_ABI)) | ||
require.NoError(t, err) | ||
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bytes, err := abi.PackOutput("receive", true) | ||
require.NoError(t, err) | ||
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vals, err := abi.Methods["receive"].Outputs.Unpack(bytes) | ||
require.NoError(t, err) | ||
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require.Len(t, vals, 1) | ||
require.True(t, vals[0].(bool)) | ||
} |
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