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watchtower/wtclient/backup_task: make sweep pkscript independent of session

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This commit changes when the sweep pkscript
is assigned in the construction of the justice
transaction. Currently, the sweep pkscript is
assigned when the task is bound to a session.
However, we will moving to an assignment where
a unique sweep pkscript is used per channel to
prevent address inflation. Hence, this commit
makes the sweep pkscript a state dependent
variable, since it can be known at the time the
channel id is assigned.
This commit is contained in:
Conner Fromknecht
2019-02-06 18:20:30 -08:00
parent fe9f703b5b
commit a00fc148c8
2 changed files with 11 additions and 11 deletions
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8
watchtower/wtclient/backup_task_internal_test.go
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@ -397,7 +397,7 @@ func TestBackupTask(t *testing.T) {
func testBackupTask(t *testing.T, test backupTaskTest) {
// Create a new backupTask from the channel id and breach info.
task := newBackupTask(&test.chanID, test.breachInfo)
task := newBackupTask(&test.chanID, test.breachInfo, test.expSweepScript)
// Assert that all parameters set during initialization are properly
// populated.
@ -452,7 +452,7 @@ func testBackupTask(t *testing.T, test backupTaskTest) {
// Now, bind the session to the task. If successful, this locks in the
// session's negotiated parameters and allows the backup task to derive
// the final free variables in the justice transaction.
err := task.bindSession(test.session, test.expSweepScript)
err := task.bindSession(test.session)
if err != test.bindErr {
t.Fatalf("expected: %v when binding session, got: %v",
test.bindErr, err)
@ -509,9 +509,7 @@ func testBackupTask(t *testing.T, test backupTaskTest) {
// Now, we'll construct, sign, and encrypt the blob containing the parts
// needed to reconstruct the justice transaction.
hint, encBlob, err := task.craftSessionPayload(
test.expSweepScript, test.signer,
)
hint, encBlob, err := task.craftSessionPayload(test.signer)
if err != nil {
t.Fatalf("unable to craft session payload: %v", err)
}