func checkWithdrawalOutputs(
t *testing.T, wStatus *vp.WithdrawalStatus, amounts map[string]btcutil.Amount) {
fulfilled := wStatus.Outputs()
if len(fulfilled) != 2 {
t.Fatalf("Unexpected number of outputs in WithdrawalStatus; got %d, want %d",
len(fulfilled), 2)
}
for _, output := range fulfilled {
addr := output.Address()
amount, ok := amounts[addr]
if !ok {
t.Fatalf("Unexpected output addr: %s", addr)
}
status := output.Status()
if status != "success" {
t.Fatalf(
"Unexpected status for output %v; got '%s', want 'success'", output, status)
}
outpoints := output.Outpoints()
if len(outpoints) != 1 {
t.Fatalf(
"Unexpected number of outpoints for output %v; got %d, want 1", output,
len(outpoints))
}
gotAmount := outpoints[0].Amount()
if gotAmount != amount {
t.Fatalf("Unexpected amount for output %v; got %v, want %v", output, gotAmount, amount)
}
}
}
func TestStartWithdrawal(t *testing.T) {
tearDown, pool, store := vp.TstCreatePoolAndTxStore(t)
defer tearDown()
mgr := pool.Manager()
masters := []*hdkeychain.ExtendedKey{
vp.TstCreateMasterKey(t, bytes.Repeat([]byte{0x00, 0x01}, 16)),
vp.TstCreateMasterKey(t, bytes.Repeat([]byte{0x02, 0x01}, 16)),
vp.TstCreateMasterKey(t, bytes.Repeat([]byte{0x03, 0x01}, 16))}
def := vp.TstCreateSeriesDef(t, pool, 2, masters)
vp.TstCreateSeries(t, pool, []vp.TstSeriesDef{def})
// Create eligible inputs and the list of outputs we need to fulfil.
vp.TstCreateSeriesCreditsOnStore(t, pool, def.SeriesID, []int64{5e6, 4e6}, store)
address1 := "34eVkREKgvvGASZW7hkgE2uNc1yycntMK6"
address2 := "3PbExiaztsSYgh6zeMswC49hLUwhTQ86XG"
requests := []vp.OutputRequest{
vp.TstNewOutputRequest(t, 1, address1, 4e6, mgr.ChainParams()),
vp.TstNewOutputRequest(t, 2, address2, 1e6, mgr.ChainParams()),
}
changeStart := vp.TstNewChangeAddress(t, pool, def.SeriesID, 0)
startAddr := vp.TstNewWithdrawalAddress(t, pool, def.SeriesID, 0, 0)
lastSeriesID := def.SeriesID
dustThreshold := btcutil.Amount(1e4)
currentBlock := int32(vp.TstInputsBlock + vp.TstEligibleInputMinConfirmations + 1)
var status *vp.WithdrawalStatus
var err error
vp.TstRunWithManagerUnlocked(t, mgr, func() {
status, err = pool.StartWithdrawal(0, requests, *startAddr, lastSeriesID, *changeStart,
store, currentBlock, dustThreshold)
})
if err != nil {
t.Fatal(err)
}
// Check that all outputs were successfully fulfilled.
checkWithdrawalOutputs(t, status, map[string]btcutil.Amount{address1: 4e6, address2: 1e6})
if status.Fees() != btcutil.Amount(1e3) {
t.Fatalf("Wrong amount for fees; got %v, want %v", status.Fees(), btcutil.Amount(1e3))
}
// This withdrawal generated a single transaction with just one change
// output, so the next change address will be on the same series with the
// index incremented by 1.
nextChangeAddr := status.NextChangeAddr()
if nextChangeAddr.SeriesID() != changeStart.SeriesID() {
t.Fatalf("Wrong nextChangeStart series; got %d, want %d", nextChangeAddr.SeriesID(),
changeStart.SeriesID())
}
if nextChangeAddr.Index() != changeStart.Index()+1 {
t.Fatalf("Wrong nextChangeStart index; got %d, want %d", nextChangeAddr.Index(),
changeStart.Index()+1)
}
// NOTE: The ntxid is deterministic so we hardcode it here, but if the test
// or the code is changed in a way that causes the generated transaction to
// change (e.g. different inputs/outputs), the ntxid will change too and
// this will have to be updated.
ntxid := vp.Ntxid("eb753083db55bd0ad2eb184bfd196a7ea8b90eaa000d9293e892999695af2519")
txSigs := status.Sigs()[ntxid]
// Finally we use SignTx() to construct the SignatureScripts (using the raw
// signatures). Must unlock the manager as signing involves looking up the
// redeem script, which is stored encrypted.
msgtx := status.TstGetMsgTx(ntxid)
vp.TstRunWithManagerUnlocked(t, mgr, func() {
if err = vp.SignTx(msgtx, txSigs, mgr, store); err != nil {
t.Fatal(err)
}
})
// Any subsequent StartWithdrawal() calls with the same parameters will
// return the previously stored WithdrawalStatus.
var status2 *vp.WithdrawalStatus
vp.TstRunWithManagerUnlocked(t, mgr, func() {
status2, err = pool.StartWithdrawal(0, requests, *startAddr, lastSeriesID, *changeStart,
store, currentBlock, dustThreshold)
})
if err != nil {
t.Fatal(err)
}
vp.TstCheckWithdrawalStatusMatches(t, *status, *status2)
}