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79 lines
2.5 KiB
79 lines
2.5 KiB
// Copyright 2016 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package abi
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import (
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"bytes"
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"reflect"
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"strings"
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"testing"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/stretchr/testify/require"
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)
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func TestEventId(t *testing.T) {
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var table = []struct {
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definition string
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expectations map[string]common.Hash
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}{
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{
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definition: `[
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{ "type" : "event", "name" : "balance", "inputs": [{ "name" : "in", "type": "uint256" }] },
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{ "type" : "event", "name" : "check", "inputs": [{ "name" : "t", "type": "address" }, { "name": "b", "type": "uint256" }] }
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]`,
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expectations: map[string]common.Hash{
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"balance": crypto.Keccak256Hash([]byte("balance(uint256)")),
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"check": crypto.Keccak256Hash([]byte("check(address,uint256)")),
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},
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},
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}
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for _, test := range table {
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abi, err := JSON(strings.NewReader(test.definition))
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if err != nil {
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t.Fatal(err)
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}
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for name, event := range abi.Events {
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if event.Id() != test.expectations[name] {
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t.Errorf("expected id to be %x, got %x", test.expectations[name], event.Id())
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}
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}
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}
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}
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// TestEventMultiValueWithArrayUnpack verifies that array fields will be counted after parsing array.
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func TestEventMultiValueWithArrayUnpack(t *testing.T) {
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definition := `[{"name": "test", "type": "event", "inputs": [{"indexed": false, "name":"value1", "type":"uint8[2]"},{"indexed": false, "name":"value2", "type":"uint8"}]}]`
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type testStruct struct {
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Value1 [2]uint8
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Value2 uint8
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}
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abi, err := JSON(strings.NewReader(definition))
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require.NoError(t, err)
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var b bytes.Buffer
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var i uint8 = 1
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for ; i <= 3; i++ {
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b.Write(packNum(reflect.ValueOf(i)))
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}
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var rst testStruct
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require.NoError(t, abi.Unpack(&rst, "test", b.Bytes()))
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require.Equal(t, [2]uint8{1, 2}, rst.Value1)
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require.Equal(t, uint8(3), rst.Value2)
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}
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