lnd.xprv/channeldb/migration16/migration_test.go

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package migration16
import (
"encoding/hex"
"testing"
"github.com/lightningnetwork/lnd/channeldb/kvdb"
"github.com/lightningnetwork/lnd/channeldb/migtest"
)
var (
hexStr = migtest.Hex
hash1Str = "02acee76ebd53d00824410cf6adecad4f50334dac702bd5a2d3ba01b91709f0e"
hash1 = hexStr(hash1Str)
paymentID1 = hexStr("0000000000000001")
hash2Str = "62eb3f0a48f954e495d0c14ac63df04a67cefa59dafdbcd3d5046d1f5647840c"
hash2 = hexStr(hash2Str)
paymentID2 = hexStr("0000000000000002")
paymentID3 = hexStr("0000000000000003")
// pre is the data in the payments root bucket in database version 13 format.
pre = map[string]interface{}{
// A payment without duplicates.
hash1: map[string]interface{}{
"payment-sequence-key": paymentID1,
},
// A payment with a duplicate.
hash2: map[string]interface{}{
"payment-sequence-key": paymentID2,
"payment-duplicate-bucket": map[string]interface{}{
paymentID3: map[string]interface{}{
"payment-sequence-key": paymentID3,
},
},
},
}
preFails = map[string]interface{}{
// A payment without duplicates.
hash1: map[string]interface{}{
"payment-sequence-key": paymentID1,
"payment-duplicate-bucket": map[string]interface{}{
paymentID1: map[string]interface{}{
"payment-sequence-key": paymentID1,
},
},
},
}
// post is the expected data after migration.
post = map[string]interface{}{
paymentID1: paymentHashIndex(hash1Str),
paymentID2: paymentHashIndex(hash2Str),
paymentID3: paymentHashIndex(hash2Str),
}
)
// paymentHashIndex produces a string that represents the value we expect for
// our payment indexes from a hex encoded payment hash string.
func paymentHashIndex(hashStr string) string {
hash, err := hex.DecodeString(hashStr)
if err != nil {
panic(err)
}
bytes, err := serializePaymentIndexEntry(hash)
if err != nil {
panic(err)
}
return string(bytes)
}
// MigrateSequenceIndex asserts that the database is properly migrated to
// contain a payments index.
func TestMigrateSequenceIndex(t *testing.T) {
tests := []struct {
name string
shouldFail bool
pre map[string]interface{}
post map[string]interface{}
}{
{
name: "migration ok",
shouldFail: false,
pre: pre,
post: post,
},
{
name: "duplicate sequence number",
shouldFail: true,
pre: preFails,
post: post,
},
{
name: "no payments",
shouldFail: false,
pre: nil,
post: nil,
},
}
for _, test := range tests {
test := test
t.Run(test.name, func(t *testing.T) {
// Before the migration we have a payments bucket.
before := func(tx kvdb.RwTx) error {
return migtest.RestoreDB(
tx, paymentsRootBucket, test.pre,
)
}
// After the migration, we should have an untouched
// payments bucket and a new index bucket.
after := func(tx kvdb.RwTx) error {
if err := migtest.VerifyDB(
tx, paymentsRootBucket, test.pre,
); err != nil {
return err
}
// If we expect our migration to fail, we don't
// expect an index bucket.
if test.shouldFail {
return nil
}
return migtest.VerifyDB(
tx, paymentsIndexBucket, test.post,
)
}
migtest.ApplyMigration(
t, before, after, MigrateSequenceIndex,
test.shouldFail,
)
})
}
}