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multi: remove ErrDoubleSpend check for PublishTransaction

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In this commit, we address a lingering issue within some subsystems that
are responsible for broadcasting transactions. Previously,
ErrDoubleSpend indicated that a transaction was already included in the
mempool/chain. This error was then modified to actually be returned for
conflicting transactions, but its callers were not modified accordingly.
This would lead to conflicting transactions to be interpreted as valid,
when they shouldn't be.
This commit is contained in:
Wilmer Paulino
2019-02-20 15:06:57 -08:00
parent 5c5c542f94
commit 7946d0a256
4 changed files with 5 additions and 7 deletions
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5
contractcourt/htlc_success_resolver.go
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@@ -7,7 +7,6 @@ import (
"github.com/btcsuite/btcd/wire"
"github.com/davecgh/go-spew/spew"
"github.com/lightningnetwork/lnd/channeldb"
"github.com/lightningnetwork/lnd/input"
"github.com/lightningnetwork/lnd/lntypes"
@@ -148,7 +147,7 @@ func (h *htlcSuccessResolver) Resolve() (ContractResolver, error) {
// constructed, we'll broadcast the sweep transaction to the
// network.
err := h.PublishTx(h.sweepTx)
if err != nil && err != lnwallet.ErrDoubleSpend {
if err != nil {
log.Infof("%T(%x): unable to publish tx: %v",
h, h.payHash[:], err)
return nil, err
@@ -200,7 +199,7 @@ func (h *htlcSuccessResolver) Resolve() (ContractResolver, error) {
//
// TODO(roasbeef): after changing sighashes send to tx bundler
err := h.PublishTx(h.htlcResolution.SignedSuccessTx)
if err != nil && err != lnwallet.ErrDoubleSpend {
if err != nil {
return nil, err
}