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package abi
import (
"strings"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
)
func TestEventId(t *testing.T) {
var table = []struct {
definition string
expectations map[string]common.Hash
}{
{
definition: `[
{ "type" : "event", "name" : "balance", "inputs": [{ "name" : "in", "type": "uint" }] },
{ "type" : "event", "name" : "check", "inputs": [{ "name" : "t", "type": "address" }, { "name": "b", "type": "uint256" }] }
]`,
expectations: map[string]common.Hash{
"balance": crypto.Sha3Hash([]byte("balance(uint256)")),
"check": crypto.Sha3Hash([]byte("check(address,uint256)")),
},
},
}
for _, test := range table {
abi, err := JSON(strings.NewReader(test.definition))
if err != nil {
t.Fatal(err)
}
for name, event := range abi.Events {
if event.Id() != test.expectations[name] {
t.Errorf("expected id to be %x, got %x", test.expectations[name], event.Id())
}
}
}
}
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