backend_test.go

package eth

import (
	"math/big"
	"testing"

	"github.com/ethereum/go-ethereum/common"
	"github.com/ethereum/go-ethereum/core/types"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestNewTxLog(t *testing.T) {
	require := require.New(t)
	assert := assert.New(t)

	// https://etherscan.io/tx/0x6afffe4d95789e7a27bf0ec8adb8324b2e481a5a6df468366e6efffad15746a6
	inputs := "_ticket: { Recipient: 0x9C10672CEE058Fd658103d90872fE431bb6C0AFa  Sender: 0x3eE860A4abA830AF84EbBCE2b381fc11DB8493e2  FaceValue: 24703611594215916  WinProb: 4687253472865791949219216447262131914283161967982656133076290000000000000000  SenderNonce: 1  RecipientRandHash: 0xd00ef48a6825d9ae93097ad55bc76057fb50afc203aa98fd4e01aa6576d71298  AuxData: 0x0000000000000000000000000000000000000000000000000000000000000689a9f81d59be53a90a12cb12f627aa9e87c505320bad20a98fd98d5ed23bfe9a54 }  _sig: 0x5ff5265992f1a6563851d085f363b16ad65416baaee090ee368b59082437df7a0237214659511fc188d6a4ef57c988bb18faa3e99826c78e9e75eb29366745891b  _recipientRand: 21160157592767011607011497540409649304524524744605816319294275445072062630355"
	tx := types.NewTransaction(
		1,
		common.HexToAddress("0x5b1ce829384eebfa30286f12d1e7a695ca45f5d2"),
		big.NewInt(0),
		167221,
		big.NewInt(5000000000),
		common.Hex2Bytes("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"),
	)

	abis, err := makeABIMap()
	require.Nil(err)
	b := &backend{
		abiMap: abis,
	}

	txLog, err := b.newTxLog(tx)
	assert.Equal("redeemWinningTicket", txLog.method)
	assert.Equal(inputs, txLog.inputs)

	// test unknown ABI
	tx = types.NewTransaction(2, common.HexToAddress("foo"), big.NewInt(0), 200000, big.NewInt(1000000), common.Hex2Bytes("aaaabbbb"))
	txLog, err = b.newTxLog(tx)
	assert.EqualError(err, "unknown ABI")

	// test no method signature
	tx = types.NewTransaction(2, common.HexToAddress("foo"), big.NewInt(0), 200000, big.NewInt(1000000), nil)
	txLog, err = b.newTxLog(tx)
	assert.EqualError(err, "no method signature")
}