github.com/ethereumproject/go-ethereum@v5.5.2+incompatible/accounts/abi/event_test.go (about)

     1  // Copyright 2016 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package abi
    18  
    19  import (
    20  	"strings"
    21  	"testing"
    22  
    23  	"github.com/ethereumproject/go-ethereum/common"
    24  	"github.com/ethereumproject/go-ethereum/crypto"
    25  )
    26  
    27  func TestEventId(t *testing.T) {
    28  	var table = []struct {
    29  		definition   string
    30  		expectations map[string]common.Hash
    31  	}{
    32  		{
    33  			definition: `[
    34  			{ "type" : "event", "name" : "balance", "inputs": [{ "name" : "in", "type": "uint" }] },
    35  			{ "type" : "event", "name" : "check", "inputs": [{ "name" : "t", "type": "address" }, { "name": "b", "type": "uint256" }] }
    36  			]`,
    37  			expectations: map[string]common.Hash{
    38  				"balance": crypto.Keccak256Hash([]byte("balance(uint256)")),
    39  				"check":   crypto.Keccak256Hash([]byte("check(address,uint256)")),
    40  			},
    41  		},
    42  	}
    43  
    44  	for _, test := range table {
    45  		abi, err := JSON(strings.NewReader(test.definition))
    46  		if err != nil {
    47  			t.Fatal(err)
    48  		}
    49  
    50  		for name, event := range abi.Events {
    51  			if event.Id() != test.expectations[name] {
    52  				t.Errorf("expected id to be %x, got %x", test.expectations[name], event.Id())
    53  			}
    54  		}
    55  	}
    56  }