lnd.xprv/lnwire/funding_request_test.go

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package lnwire
import (
"bytes"
"encoding/hex"
"github.com/btcsuite/btcd/btcec"
"github.com/btcsuite/btcd/wire"
"github.com/btcsuite/btcutil"
// "io"
"io/ioutil"
"reflect"
"testing"
)
var (
//For debugging, writes to /dev/shm/
//Maybe in the future do it if you do "go test -v"
WRITE_FILE = false
FILENAME = "/dev/shm/fundingRequest.raw"
//preimage: 9a2cbd088763db88dd8ba79e5726daa6aba4aa7e
//echo -n | openssl sha256 | openssl ripemd160 | openssl sha256 | openssl ripemd160
revocationHashBytes, _ = hex.DecodeString("4132b6b48371f7b022a16eacb9b2b0ebee134d41")
revocationHash [20]byte
_ = copy(revocationHash[:], revocationHashBytes)
//privkey: 9fa1d55217f57019a3c37f49465896b15836f54cb8ef6963870a52926420a2dd
pubKeyBytes, _ = hex.DecodeString("02f977808cb9577897582d7524b562691e180953dd0008eb44e09594c539d6daee")
pubKey, _ = btcec.ParsePubKey(pubKeyBytes, btcec.S256())
// Delivery PkScript
//Privkey: f2c00ead9cbcfec63098dc0a5f152c0165aff40a2ab92feb4e24869a284c32a7
//PKhash: n2fkWVphUzw3zSigzPsv9GuDyg9mohzKpz
deliveryPkScript, _ = hex.DecodeString("76a914e8048c0fb75bdecc91ebfb99c174f4ece29ffbd488ac")
//echo -n | openssl sha256
//This stuff gets reversed!!!
shaHash1Bytes, _ = hex.DecodeString("e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855")
shaHash1, _ = wire.NewShaHash(shaHash1Bytes)
outpoint1 = wire.NewOutPoint(shaHash1, 0)
//echo | openssl sha256
//This stuff gets reversed!!!
shaHash2Bytes, _ = hex.DecodeString("01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b")
shaHash2, _ = wire.NewShaHash(shaHash2Bytes)
outpoint2 = wire.NewOutPoint(shaHash2, 1)
//create inputs from outpoint1 and outpoint2
inputs = []*wire.TxIn{wire.NewTxIn(outpoint1, nil), wire.NewTxIn(outpoint2, nil)}
//funding request
fundingRequest = &FundingRequest{
ChannelType: uint8(0),
FundingAmount: btcutil.Amount(100000000),
ReserveAmount: btcutil.Amount(131072),
MinFeePerKb: btcutil.Amount(20000),
MinTotalFundingAmount: btcutil.Amount(150000000),
LockTime: uint32(4320), //30 block-days
FeePayer: uint8(0),
RevocationHash: revocationHash,
Pubkey: pubKey,
DeliveryPkScript: deliveryPkScript,
Inputs: inputs,
}
serializedString = "000000000005f5e1000000000008f0d1804132b6b48371f7b022a16eacb9b2b0ebee134d4102f977808cb9577897582d7524b562691e180953dd0008eb44e09594c539d6daee00000000000200000000000000004e20000010e0001976a914e8048c0fb75bdecc91ebfb99c174f4ece29ffbd488ac02e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b8550000000001ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b00000001"
serializedMessage = "0709110b00000014000000be000000000005f5e1000000000008f0d1804132b6b48371f7b022a16eacb9b2b0ebee134d4102f977808cb9577897582d7524b562691e180953dd0008eb44e09594c539d6daee00000000000200000000000000004e20000010e0001976a914e8048c0fb75bdecc91ebfb99c174f4ece29ffbd488ac02e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b8550000000001ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b00000001"
)
func TestFundingRequestEncodeDecode(t *testing.T) {
//Test serialization
b := new(bytes.Buffer)
err := fundingRequest.Encode(b, 0)
if err != nil {
t.Error("Serialization error")
t.Error(err.Error())
}
t.Logf("Encoded Funding Request: %x\n", b.Bytes())
//Check if we serialized correctly
if serializedString != hex.EncodeToString(b.Bytes()) {
t.Error("Serialization does not match expected")
}
//So I can do: hexdump -C /dev/shm/fundingRequest.raw
if WRITE_FILE {
err = ioutil.WriteFile(FILENAME, b.Bytes(), 0644)
if err != nil {
t.Error("File write error")
t.Error(err.Error())
}
}
//Test deserialization
//Make a new buffer just to be clean
c := new(bytes.Buffer)
c.Write(b.Bytes())
newFunding := NewFundingRequest()
err = newFunding.Decode(c, 0)
if err != nil {
t.Error("Decoding Error")
t.Error(err.Error())
}
if !reflect.DeepEqual(newFunding, fundingRequest) {
t.Error("Decoding does not match!")
}
//Show the struct
t.Log(newFunding.String())
//Test message using Message interface
//Serialize/Encode
b = new(bytes.Buffer)
_, err = WriteMessage(b, fundingRequest, uint32(1), wire.TestNet3)
t.Logf("%x\n", b.Bytes())
if hex.EncodeToString(b.Bytes()) != serializedMessage {
t.Error("Message encoding error")
}
//Deserialize/Decode
c = new(bytes.Buffer)
c.Write(b.Bytes())
_, msg, _, err := ReadMessage(c, uint32(1), wire.TestNet3)
if err != nil {
t.Errorf(err.Error())
}
if !reflect.DeepEqual(msg, fundingRequest) {
t.Error("Message decoding does not match!")
}
t.Logf(msg.String())
}