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multi: replace errInvoiceNotFound with resolution result

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This commit moves handling of invoice not found
errors into NotifyExitHopHtlc and exposes a
resolution result to the calling functions. The
intention of this change is to make calling
functions as naive of the invoice registry's
mechanics as possible.

When NotifyExitHopHtlc is called and an invoice
is not found, calling functions can take action
based on the HtlcResolution's InvoiceNotFound
outcome rather than having to add a special error
check on every call to handle the error.
This commit is contained in:
carla
2019-12-20 12:25:08 +02:00
parent 7b5dda0417
commit d2e395d5f2
6 changed files with 54 additions and 36 deletions
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21
contractcourt/htlc_incoming_resolver_test.go
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@@ -35,7 +35,10 @@ func TestHtlcIncomingResolverFwdPreimageKnown(t *testing.T) {
defer timeout(t)()
ctx := newIncomingResolverTestContext(t)
ctx.registry.notifyErr = channeldb.ErrInvoiceNotFound
ctx.registry.notifyResolution = invoices.NewFailureResolution(
testResCircuitKey, testHtlcExpiry,
invoices.ResultInvoiceNotFound,
)
ctx.witnessBeacon.lookupPreimage[testResHash] = testResPreimage
ctx.resolve()
ctx.waitForResult(true)
@@ -49,7 +52,10 @@ func TestHtlcIncomingResolverFwdContestedSuccess(t *testing.T) {
defer timeout(t)()
ctx := newIncomingResolverTestContext(t)
ctx.registry.notifyErr = channeldb.ErrInvoiceNotFound
ctx.registry.notifyResolution = invoices.NewFailureResolution(
testResCircuitKey, testHtlcExpiry,
invoices.ResultInvoiceNotFound,
)
ctx.resolve()
// Simulate a new block coming in. HTLC is not yet expired.
@@ -66,7 +72,10 @@ func TestHtlcIncomingResolverFwdContestedTimeout(t *testing.T) {
defer timeout(t)()
ctx := newIncomingResolverTestContext(t)
ctx.registry.notifyErr = channeldb.ErrInvoiceNotFound
ctx.registry.notifyResolution = invoices.NewFailureResolution(
testResCircuitKey, testHtlcExpiry,
invoices.ResultInvoiceNotFound,
)
ctx.resolve()
// Simulate a new block coming in. HTLC expires.
@@ -82,8 +91,10 @@ func TestHtlcIncomingResolverFwdTimeout(t *testing.T) {
defer timeout(t)()
ctx := newIncomingResolverTestContext(t)
ctx.registry.notifyErr = channeldb.ErrInvoiceNotFound
ctx.registry.notifyResolution = invoices.NewFailureResolution(
testResCircuitKey, testHtlcExpiry,
invoices.ResultInvoiceNotFound,
)
ctx.witnessBeacon.lookupPreimage[testResHash] = testResPreimage
ctx.resolver.htlcExpiry = 90
ctx.resolve()