784 lines
		
	
	
		
			31 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			784 lines
		
	
	
		
			31 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright 2017 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
 | |
| 		components []ArgumentMarshaling
 | |
| 		input      interface{}
 | |
| 		output     []byte
 | |
| 	}{
 | |
| 		{
 | |
| 			"uint8",
 | |
| 			nil,
 | |
| 			uint8(2),
 | |
| 			common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000002"),
 | |
| 		},
 | |
| 		{
 | |
| 			"uint8[]",
 | |
| 			nil,
 | |
| 			[]uint8{1, 2},
 | |
| 			common.Hex2Bytes("000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002"),
 | |
| 		},
 | |
| 		{
 | |
| 			"uint16",
 | |
| 			nil,
 | |
| 			uint16(2),
 | |
| 			common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000002"),
 | |
| 		},
 | |
| 		{
 | |
| 			"uint16[]",
 | |
| 			nil,
 | |
| 			[]uint16{1, 2},
 | |
| 			common.Hex2Bytes("000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002"),
 | |
| 		},
 | |
| 		{
 | |
| 			"uint32",
 | |
| 			nil,
 | |
| 			uint32(2),
 | |
| 			common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000002"),
 | |
| 		},
 | |
| 		{
 | |
| 			"uint32[]",
 | |
| 			nil,
 | |
| 			[]uint32{1, 2},
 | |
| 			common.Hex2Bytes("000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002"),
 | |
| 		},
 | |
| 		{
 | |
| 			"uint64",
 | |
| 			nil,
 | |
| 			uint64(2),
 | |
| 			common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000002"),
 | |
| 		},
 | |
| 		{
 | |
| 			"uint64[]",
 | |
| 			nil,
 | |
| 			[]uint64{1, 2},
 | |
| 			common.Hex2Bytes("000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002"),
 | |
| 		},
 | |
| 		{
 | |
| 			"uint256",
 | |
| 			nil,
 | |
| 			big.NewInt(2),
 | |
| 			common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000002"),
 | |
| 		},
 | |
| 		{
 | |
| 			"uint256[]",
 | |
| 			nil,
 | |
| 			[]*big.Int{big.NewInt(1), big.NewInt(2)},
 | |
| 			common.Hex2Bytes("000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002"),
 | |
| 		},
 | |
| 		{
 | |
| 			"int8",
 | |
| 			nil,
 | |
| 			int8(2),
 | |
| 			common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000002"),
 | |
| 		},
 | |
| 		{
 | |
| 			"int8[]",
 | |
| 			nil,
 | |
| 			[]int8{1, 2},
 | |
| 			common.Hex2Bytes("000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002"),
 | |
| 		},
 | |
| 		{
 | |
| 			"int16",
 | |
| 			nil,
 | |
| 			int16(2),
 | |
| 			common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000002"),
 | |
| 		},
 | |
| 		{
 | |
| 			"int16[]",
 | |
| 			nil,
 | |
| 			[]int16{1, 2},
 | |
| 			common.Hex2Bytes("000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002"),
 | |
| 		},
 | |
| 		{
 | |
| 			"int32",
 | |
| 			nil,
 | |
| 			int32(2),
 | |
| 			common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000002"),
 | |
| 		},
 | |
| 		{
 | |
| 			"int32[]",
 | |
| 			nil,
 | |
| 			[]int32{1, 2},
 | |
| 			common.Hex2Bytes("000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002"),
 | |
| 		},
 | |
| 		{
 | |
| 			"int64",
 | |
| 			nil,
 | |
| 			int64(2),
 | |
| 			common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000002"),
 | |
| 		},
 | |
| 		{
 | |
| 			"int64[]",
 | |
| 			nil,
 | |
| 			[]int64{1, 2},
 | |
| 			common.Hex2Bytes("000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002"),
 | |
| 		},
 | |
| 		{
 | |
| 			"int256",
 | |
| 			nil,
 | |
| 			big.NewInt(2),
 | |
| 			common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000002"),
 | |
| 		},
 | |
| 		{
 | |
| 			"int256[]",
 | |
| 			nil,
 | |
| 			[]*big.Int{big.NewInt(1), big.NewInt(2)},
 | |
| 			common.Hex2Bytes("000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes1",
 | |
| 			nil,
 | |
| 			[1]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes2",
 | |
| 			nil,
 | |
| 			[2]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes3",
 | |
| 			nil,
 | |
| 			[3]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes4",
 | |
| 			nil,
 | |
| 			[4]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes5",
 | |
| 			nil,
 | |
| 			[5]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes6",
 | |
| 			nil,
 | |
| 			[6]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes7",
 | |
| 			nil,
 | |
| 			[7]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes8",
 | |
| 			nil,
 | |
| 			[8]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes9",
 | |
| 			nil,
 | |
| 			[9]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes10",
 | |
| 			nil,
 | |
| 			[10]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes11",
 | |
| 			nil,
 | |
| 			[11]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes12",
 | |
| 			nil,
 | |
| 			[12]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes13",
 | |
| 			nil,
 | |
| 			[13]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes14",
 | |
| 			nil,
 | |
| 			[14]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes15",
 | |
| 			nil,
 | |
| 			[15]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes16",
 | |
| 			nil,
 | |
| 			[16]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes17",
 | |
| 			nil,
 | |
| 			[17]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes18",
 | |
| 			nil,
 | |
| 			[18]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes19",
 | |
| 			nil,
 | |
| 			[19]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes20",
 | |
| 			nil,
 | |
| 			[20]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes21",
 | |
| 			nil,
 | |
| 			[21]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes22",
 | |
| 			nil,
 | |
| 			[22]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes23",
 | |
| 			nil,
 | |
| 			[23]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes24",
 | |
| 			nil,
 | |
| 			[24]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes25",
 | |
| 			nil,
 | |
| 			[25]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes26",
 | |
| 			nil,
 | |
| 			[26]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes27",
 | |
| 			nil,
 | |
| 			[27]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes28",
 | |
| 			nil,
 | |
| 			[28]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes29",
 | |
| 			nil,
 | |
| 			[29]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes30",
 | |
| 			nil,
 | |
| 			[30]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes31",
 | |
| 			nil,
 | |
| 			[31]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes32",
 | |
| 			nil,
 | |
| 			[32]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"uint32[2][3][4]",
 | |
| 			nil,
 | |
| 			[4][3][2]uint32{{{1, 2}, {3, 4}, {5, 6}}, {{7, 8}, {9, 10}, {11, 12}}, {{13, 14}, {15, 16}, {17, 18}}, {{19, 20}, {21, 22}, {23, 24}}},
 | |
| 			common.Hex2Bytes("000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000050000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000700000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000009000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000b000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000e000000000000000000000000000000000000000000000000000000000000000f000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000110000000000000000000000000000000000000000000000000000000000000012000000000000000000000000000000000000000000000000000000000000001300000000000000000000000000000000000000000000000000000000000000140000000000000000000000000000000000000000000000000000000000000015000000000000000000000000000000000000000000000000000000000000001600000000000000000000000000000000000000000000000000000000000000170000000000000000000000000000000000000000000000000000000000000018"),
 | |
| 		},
 | |
| 		{
 | |
| 			"address[]",
 | |
| 			nil,
 | |
| 			[]common.Address{{1}, {2}},
 | |
| 			common.Hex2Bytes("000000000000000000000000000000000000000000000000000000000000000200000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes32[]",
 | |
| 			nil,
 | |
| 			[]common.Hash{{1}, {2}},
 | |
| 			common.Hex2Bytes("000000000000000000000000000000000000000000000000000000000000000201000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"function",
 | |
| 			nil,
 | |
| 			[24]byte{1},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"string",
 | |
| 			nil,
 | |
| 			"foobar",
 | |
| 			common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000006666f6f6261720000000000000000000000000000000000000000000000000000"),
 | |
| 		},
 | |
| 		{
 | |
| 			"string[]",
 | |
| 			nil,
 | |
| 			[]string{"hello", "foobar"},
 | |
| 			common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000002" + // len(array) = 2
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000040" + // offset 64 to i = 0
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000080" + // offset 128 to i = 1
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000005" + // len(str[0]) = 5
 | |
| 				"68656c6c6f000000000000000000000000000000000000000000000000000000" + // str[0]
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000006" + // len(str[1]) = 6
 | |
| 				"666f6f6261720000000000000000000000000000000000000000000000000000"), // str[1]
 | |
| 		},
 | |
| 		{
 | |
| 			"string[2]",
 | |
| 			nil,
 | |
| 			[]string{"hello", "foobar"},
 | |
| 			common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040" + // offset to i = 0
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000080" + // offset to i = 1
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000005" + // len(str[0]) = 5
 | |
| 				"68656c6c6f000000000000000000000000000000000000000000000000000000" + // str[0]
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000006" + // len(str[1]) = 6
 | |
| 				"666f6f6261720000000000000000000000000000000000000000000000000000"), // str[1]
 | |
| 		},
 | |
| 		{
 | |
| 			"bytes32[][]",
 | |
| 			nil,
 | |
| 			[][]common.Hash{{{1}, {2}}, {{3}, {4}, {5}}},
 | |
| 			common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000002" + // len(array) = 2
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000040" + // offset 64 to i = 0
 | |
| 				"00000000000000000000000000000000000000000000000000000000000000a0" + // offset 160 to i = 1
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000002" + // len(array[0]) = 2
 | |
| 				"0100000000000000000000000000000000000000000000000000000000000000" + // array[0][0]
 | |
| 				"0200000000000000000000000000000000000000000000000000000000000000" + // array[0][1]
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000003" + // len(array[1]) = 3
 | |
| 				"0300000000000000000000000000000000000000000000000000000000000000" + // array[1][0]
 | |
| 				"0400000000000000000000000000000000000000000000000000000000000000" + // array[1][1]
 | |
| 				"0500000000000000000000000000000000000000000000000000000000000000"), // array[1][2]
 | |
| 		},
 | |
| 
 | |
| 		{
 | |
| 			"bytes32[][2]",
 | |
| 			nil,
 | |
| 			[][]common.Hash{{{1}, {2}}, {{3}, {4}, {5}}},
 | |
| 			common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040" + // offset 64 to i = 0
 | |
| 				"00000000000000000000000000000000000000000000000000000000000000a0" + // offset 160 to i = 1
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000002" + // len(array[0]) = 2
 | |
| 				"0100000000000000000000000000000000000000000000000000000000000000" + // array[0][0]
 | |
| 				"0200000000000000000000000000000000000000000000000000000000000000" + // array[0][1]
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000003" + // len(array[1]) = 3
 | |
| 				"0300000000000000000000000000000000000000000000000000000000000000" + // array[1][0]
 | |
| 				"0400000000000000000000000000000000000000000000000000000000000000" + // array[1][1]
 | |
| 				"0500000000000000000000000000000000000000000000000000000000000000"), // array[1][2]
 | |
| 		},
 | |
| 
 | |
| 		{
 | |
| 			"bytes32[3][2]",
 | |
| 			nil,
 | |
| 			[][]common.Hash{{{1}, {2}, {3}}, {{3}, {4}, {5}}},
 | |
| 			common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000" + // array[0][0]
 | |
| 				"0200000000000000000000000000000000000000000000000000000000000000" + // array[0][1]
 | |
| 				"0300000000000000000000000000000000000000000000000000000000000000" + // array[0][2]
 | |
| 				"0300000000000000000000000000000000000000000000000000000000000000" + // array[1][0]
 | |
| 				"0400000000000000000000000000000000000000000000000000000000000000" + // array[1][1]
 | |
| 				"0500000000000000000000000000000000000000000000000000000000000000"), // array[1][2]
 | |
| 		},
 | |
| 		{
 | |
| 			// static tuple
 | |
| 			"tuple",
 | |
| 			[]ArgumentMarshaling{
 | |
| 				{Name: "a", Type: "int64"},
 | |
| 				{Name: "b", Type: "int256"},
 | |
| 				{Name: "c", Type: "int256"},
 | |
| 				{Name: "d", Type: "bool"},
 | |
| 				{Name: "e", Type: "bytes32[3][2]"},
 | |
| 			},
 | |
| 			struct {
 | |
| 				A int64
 | |
| 				B *big.Int
 | |
| 				C *big.Int
 | |
| 				D bool
 | |
| 				E [][]common.Hash
 | |
| 			}{1, big.NewInt(1), big.NewInt(-1), true, [][]common.Hash{{{1}, {2}, {3}}, {{3}, {4}, {5}}}},
 | |
| 			common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001" + // struct[a]
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000001" + // struct[b]
 | |
| 				"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff" + // struct[c]
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000001" + // struct[d]
 | |
| 				"0100000000000000000000000000000000000000000000000000000000000000" + // struct[e] array[0][0]
 | |
| 				"0200000000000000000000000000000000000000000000000000000000000000" + // struct[e] array[0][1]
 | |
| 				"0300000000000000000000000000000000000000000000000000000000000000" + // struct[e] array[0][2]
 | |
| 				"0300000000000000000000000000000000000000000000000000000000000000" + // struct[e] array[1][0]
 | |
| 				"0400000000000000000000000000000000000000000000000000000000000000" + // struct[e] array[1][1]
 | |
| 				"0500000000000000000000000000000000000000000000000000000000000000"), // struct[e] array[1][2]
 | |
| 		},
 | |
| 		{
 | |
| 			// dynamic tuple
 | |
| 			"tuple",
 | |
| 			[]ArgumentMarshaling{
 | |
| 				{Name: "a", Type: "string"},
 | |
| 				{Name: "b", Type: "int64"},
 | |
| 				{Name: "c", Type: "bytes"},
 | |
| 				{Name: "d", Type: "string[]"},
 | |
| 				{Name: "e", Type: "int256[]"},
 | |
| 				{Name: "f", Type: "address[]"},
 | |
| 			},
 | |
| 			struct {
 | |
| 				FieldA string `abi:"a"` // Test whether abi tag works
 | |
| 				FieldB int64  `abi:"b"`
 | |
| 				C      []byte
 | |
| 				D      []string
 | |
| 				E      []*big.Int
 | |
| 				F      []common.Address
 | |
| 			}{"foobar", 1, []byte{1}, []string{"foo", "bar"}, []*big.Int{big.NewInt(1), big.NewInt(-1)}, []common.Address{{1}, {2}}},
 | |
| 			common.Hex2Bytes("00000000000000000000000000000000000000000000000000000000000000c0" + // struct[a] offset
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000001" + // struct[b]
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000100" + // struct[c] offset
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000140" + // struct[d] offset
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000220" + // struct[e] offset
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000280" + // struct[f] offset
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000006" + // struct[a] length
 | |
| 				"666f6f6261720000000000000000000000000000000000000000000000000000" + // struct[a] "foobar"
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000001" + // struct[c] length
 | |
| 				"0100000000000000000000000000000000000000000000000000000000000000" + // []byte{1}
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000002" + // struct[d] length
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000040" + // foo offset
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000080" + // bar offset
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000003" + // foo length
 | |
| 				"666f6f0000000000000000000000000000000000000000000000000000000000" + // foo
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000003" + // bar offset
 | |
| 				"6261720000000000000000000000000000000000000000000000000000000000" + // bar
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000002" + // struct[e] length
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000001" + // 1
 | |
| 				"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff" + // -1
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000002" + // struct[f] length
 | |
| 				"0000000000000000000000000100000000000000000000000000000000000000" + // common.Address{1}
 | |
| 				"0000000000000000000000000200000000000000000000000000000000000000"), // common.Address{2}
 | |
| 		},
 | |
| 		{
 | |
| 			// nested tuple
 | |
| 			"tuple",
 | |
| 			[]ArgumentMarshaling{
 | |
| 				{Name: "a", Type: "tuple", Components: []ArgumentMarshaling{{Name: "a", Type: "uint256"}, {Name: "b", Type: "uint256[]"}}},
 | |
| 				{Name: "b", Type: "int256[]"},
 | |
| 			},
 | |
| 			struct {
 | |
| 				A struct {
 | |
| 					FieldA *big.Int `abi:"a"`
 | |
| 					B      []*big.Int
 | |
| 				}
 | |
| 				B []*big.Int
 | |
| 			}{
 | |
| 				A: struct {
 | |
| 					FieldA *big.Int `abi:"a"` // Test whether abi tag works for nested tuple
 | |
| 					B      []*big.Int
 | |
| 				}{big.NewInt(1), []*big.Int{big.NewInt(1), big.NewInt(0)}},
 | |
| 				B: []*big.Int{big.NewInt(1), big.NewInt(0)}},
 | |
| 			common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040" + // a offset
 | |
| 				"00000000000000000000000000000000000000000000000000000000000000e0" + // b offset
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000001" + // a.a value
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000040" + // a.b offset
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000002" + // a.b length
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000001" + // a.b[0] value
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000000" + // a.b[1] value
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000002" + // b length
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000001" + // b[0] value
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000000"), // b[1] value
 | |
| 		},
 | |
| 		{
 | |
| 			// tuple slice
 | |
| 			"tuple[]",
 | |
| 			[]ArgumentMarshaling{
 | |
| 				{Name: "a", Type: "int256"},
 | |
| 				{Name: "b", Type: "int256[]"},
 | |
| 			},
 | |
| 			[]struct {
 | |
| 				A *big.Int
 | |
| 				B []*big.Int
 | |
| 			}{
 | |
| 				{big.NewInt(-1), []*big.Int{big.NewInt(1), big.NewInt(0)}},
 | |
| 				{big.NewInt(1), []*big.Int{big.NewInt(2), big.NewInt(-1)}},
 | |
| 			},
 | |
| 			common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000002" + // tuple length
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000040" + // tuple[0] offset
 | |
| 				"00000000000000000000000000000000000000000000000000000000000000e0" + // tuple[1] offset
 | |
| 				"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff" + // tuple[0].A
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000040" + // tuple[0].B offset
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000002" + // tuple[0].B length
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000001" + // tuple[0].B[0] value
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000000" + // tuple[0].B[1] value
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000001" + // tuple[1].A
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000040" + // tuple[1].B offset
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000002" + // tuple[1].B length
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000002" + // tuple[1].B[0] value
 | |
| 				"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"), // tuple[1].B[1] value
 | |
| 		},
 | |
| 		{
 | |
| 			// static tuple array
 | |
| 			"tuple[2]",
 | |
| 			[]ArgumentMarshaling{
 | |
| 				{Name: "a", Type: "int256"},
 | |
| 				{Name: "b", Type: "int256"},
 | |
| 			},
 | |
| 			[2]struct {
 | |
| 				A *big.Int
 | |
| 				B *big.Int
 | |
| 			}{
 | |
| 				{big.NewInt(-1), big.NewInt(1)},
 | |
| 				{big.NewInt(1), big.NewInt(-1)},
 | |
| 			},
 | |
| 			common.Hex2Bytes("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff" + // tuple[0].a
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000001" + // tuple[0].b
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000001" + // tuple[1].a
 | |
| 				"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"), // tuple[1].b
 | |
| 		},
 | |
| 		{
 | |
| 			// dynamic tuple array
 | |
| 			"tuple[2]",
 | |
| 			[]ArgumentMarshaling{
 | |
| 				{Name: "a", Type: "int256[]"},
 | |
| 			},
 | |
| 			[2]struct {
 | |
| 				A []*big.Int
 | |
| 			}{
 | |
| 				{[]*big.Int{big.NewInt(-1), big.NewInt(1)}},
 | |
| 				{[]*big.Int{big.NewInt(1), big.NewInt(-1)}},
 | |
| 			},
 | |
| 			common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040" + // tuple[0] offset
 | |
| 				"00000000000000000000000000000000000000000000000000000000000000c0" + // tuple[1] offset
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000020" + // tuple[0].A offset
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000002" + // tuple[0].A length
 | |
| 				"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff" + // tuple[0].A[0]
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000001" + // tuple[0].A[1]
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000020" + // tuple[1].A offset
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000002" + // tuple[1].A length
 | |
| 				"0000000000000000000000000000000000000000000000000000000000000001" + // tuple[1].A[0]
 | |
| 				"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"), // tuple[1].A[1]
 | |
| 		},
 | |
| 	} {
 | |
| 		typ, err := NewType(test.typ, test.components)
 | |
| 		if err != nil {
 | |
| 			t.Fatalf("%v failed. Unexpected parse error: %v", i, err)
 | |
| 		}
 | |
| 		output, err := typ.pack(reflect.ValueOf(test.input))
 | |
| 		if err != nil {
 | |
| 			t.Fatalf("%v failed. Unexpected pack error: %v", i, err)
 | |
| 		}
 | |
| 
 | |
| 		if !bytes.Equal(output, test.output) {
 | |
| 			t.Errorf("input %d for typ: %v failed. Expected bytes: '%x' Got: '%x'", i, typ.String(), 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)
 | |
| 	}
 | |
| 
 | |
| 	a := [2][2]*big.Int{{big.NewInt(1), big.NewInt(1)}, {big.NewInt(2), big.NewInt(0)}}
 | |
| 	sig = abi.Methods["nestedArray"].Id()
 | |
| 	sig = append(sig, common.LeftPadBytes([]byte{1}, 32)...)
 | |
| 	sig = append(sig, common.LeftPadBytes([]byte{1}, 32)...)
 | |
| 	sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
 | |
| 	sig = append(sig, common.LeftPadBytes([]byte{0}, 32)...)
 | |
| 	sig = append(sig, common.LeftPadBytes([]byte{0xa0}, 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("nestedArray", a, []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["nestedArray2"].Id()
 | |
| 	sig = append(sig, common.LeftPadBytes([]byte{0x20}, 32)...)
 | |
| 	sig = append(sig, common.LeftPadBytes([]byte{0x40}, 32)...)
 | |
| 	sig = append(sig, common.LeftPadBytes([]byte{0x80}, 32)...)
 | |
| 	sig = append(sig, common.LeftPadBytes([]byte{1}, 32)...)
 | |
| 	sig = append(sig, common.LeftPadBytes([]byte{1}, 32)...)
 | |
| 	sig = append(sig, common.LeftPadBytes([]byte{1}, 32)...)
 | |
| 	sig = append(sig, common.LeftPadBytes([]byte{1}, 32)...)
 | |
| 	packed, err = abi.Pack("nestedArray2", [2][]uint8{{1}, {1}})
 | |
| 	if err != nil {
 | |
| 		t.Fatal(err)
 | |
| 	}
 | |
| 	if !bytes.Equal(packed, sig) {
 | |
| 		t.Errorf("expected %x got %x", sig, packed)
 | |
| 	}
 | |
| 
 | |
| 	sig = abi.Methods["nestedSlice"].Id()
 | |
| 	sig = append(sig, common.LeftPadBytes([]byte{0x20}, 32)...)
 | |
| 	sig = append(sig, common.LeftPadBytes([]byte{0x02}, 32)...)
 | |
| 	sig = append(sig, common.LeftPadBytes([]byte{0x40}, 32)...)
 | |
| 	sig = append(sig, common.LeftPadBytes([]byte{0xa0}, 32)...)
 | |
| 	sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
 | |
| 	sig = append(sig, common.LeftPadBytes([]byte{1}, 32)...)
 | |
| 	sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
 | |
| 	sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
 | |
| 	sig = append(sig, common.LeftPadBytes([]byte{1}, 32)...)
 | |
| 	sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
 | |
| 	packed, err = abi.Pack("nestedSlice", [][]uint8{{1, 2}, {1, 2}})
 | |
| 	if err != nil {
 | |
| 		t.Fatal(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), common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000000")},
 | |
| 		{reflect.ValueOf(1), common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001")},
 | |
| 		{reflect.ValueOf(-1), common.Hex2Bytes("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")},
 | |
| 
 | |
| 		// Type corner cases
 | |
| 		{reflect.ValueOf(uint8(math.MaxUint8)), common.Hex2Bytes("00000000000000000000000000000000000000000000000000000000000000ff")},
 | |
| 		{reflect.ValueOf(uint16(math.MaxUint16)), common.Hex2Bytes("000000000000000000000000000000000000000000000000000000000000ffff")},
 | |
| 		{reflect.ValueOf(uint32(math.MaxUint32)), common.Hex2Bytes("00000000000000000000000000000000000000000000000000000000ffffffff")},
 | |
| 		{reflect.ValueOf(uint64(math.MaxUint64)), common.Hex2Bytes("000000000000000000000000000000000000000000000000ffffffffffffffff")},
 | |
| 
 | |
| 		{reflect.ValueOf(int8(math.MaxInt8)), common.Hex2Bytes("000000000000000000000000000000000000000000000000000000000000007f")},
 | |
| 		{reflect.ValueOf(int16(math.MaxInt16)), common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000007fff")},
 | |
| 		{reflect.ValueOf(int32(math.MaxInt32)), common.Hex2Bytes("000000000000000000000000000000000000000000000000000000007fffffff")},
 | |
| 		{reflect.ValueOf(int64(math.MaxInt64)), common.Hex2Bytes("0000000000000000000000000000000000000000000000007fffffffffffffff")},
 | |
| 
 | |
| 		{reflect.ValueOf(int8(math.MinInt8)), common.Hex2Bytes("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff80")},
 | |
| 		{reflect.ValueOf(int16(math.MinInt16)), common.Hex2Bytes("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff8000")},
 | |
| 		{reflect.ValueOf(int32(math.MinInt32)), common.Hex2Bytes("ffffffffffffffffffffffffffffffffffffffffffffffffffffffff80000000")},
 | |
| 		{reflect.ValueOf(int64(math.MinInt64)), common.Hex2Bytes("ffffffffffffffffffffffffffffffffffffffffffffffff8000000000000000")},
 | |
| 	}
 | |
| 	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)
 | |
| 		}
 | |
| 	}
 | |
| }
 |