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// Copyright 2016 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 ethclient
import (
"fmt"
"math/big"
"reflect"
"testing"
"github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/common"
)
// Verify that Client implements the ethereum interfaces.
var (
_ = ethereum.ChainReader(&Client{})
_ = ethereum.TransactionReader(&Client{})
_ = ethereum.ChainStateReader(&Client{})
_ = ethereum.ChainSyncReader(&Client{})
_ = ethereum.ContractCaller(&Client{})
_ = ethereum.GasEstimator(&Client{})
_ = ethereum.GasPricer(&Client{})
_ = ethereum.LogFilterer(&Client{})
_ = ethereum.PendingStateReader(&Client{})
// _ = ethereum.PendingStateEventer(&Client{})
_ = ethereum.PendingContractCaller(&Client{})
)
func TestToFilterArg(t *testing.T) {
blockHashErr := fmt.Errorf("cannot specify both BlockHash and FromBlock/ToBlock")
addresses := []common.Address{
common.HexToAddress("0xD36722ADeC3EdCB29c8e7b5a47f352D701393462"),
}
blockHash := common.HexToHash(
"0xeb94bb7d78b73657a9d7a99792413f50c0a45c51fc62bdcb08a53f18e9a2b4eb",
)
for _, testCase := range []struct {
name string
input ethereum.FilterQuery
output interface{}
err error
}{
{
"without BlockHash",
ethereum.FilterQuery{
Addresses: addresses,
FromBlock: big.NewInt(1),
ToBlock: big.NewInt(2),
Topics: [][]common.Hash{},
},
map[string]interface{}{
"address": addresses,
"fromBlock": "0x1",
"toBlock": "0x2",
"topics": [][]common.Hash{},
},
nil,
},
{
"with nil fromBlock and nil toBlock",
ethereum.FilterQuery{
Addresses: addresses,
Topics: [][]common.Hash{},
},
map[string]interface{}{
"address": addresses,
"fromBlock": "0x0",
"toBlock": "latest",
"topics": [][]common.Hash{},
},
nil,
},
{
"with blockhash",
ethereum.FilterQuery{
Addresses: addresses,
BlockHash: &blockHash,
Topics: [][]common.Hash{},
},
map[string]interface{}{
"address": addresses,
"blockHash": blockHash,
"topics": [][]common.Hash{},
},
nil,
},
{
"with blockhash and from block",
ethereum.FilterQuery{
Addresses: addresses,
BlockHash: &blockHash,
FromBlock: big.NewInt(1),
Topics: [][]common.Hash{},
},
nil,
blockHashErr,
},
{
"with blockhash and to block",
ethereum.FilterQuery{
Addresses: addresses,
BlockHash: &blockHash,
ToBlock: big.NewInt(1),
Topics: [][]common.Hash{},
},
nil,
blockHashErr,
},
{
"with blockhash and both from / to block",
ethereum.FilterQuery{
Addresses: addresses,
BlockHash: &blockHash,
FromBlock: big.NewInt(1),
ToBlock: big.NewInt(2),
Topics: [][]common.Hash{},
},
nil,
blockHashErr,
},
} {
t.Run(testCase.name, func(t *testing.T) {
output, err := toFilterArg(testCase.input)
if (testCase.err == nil) != (err == nil) {
t.Fatalf("expected error %v but got %v", testCase.err, err)
}
if testCase.err != nil {
if testCase.err.Error() != err.Error() {
t.Fatalf("expected error %v but got %v", testCase.err, err)
}
} else if !reflect.DeepEqual(testCase.output, output) {
t.Fatalf("expected filter arg %v but got %v", testCase.output, output)
}
})
}
}
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