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lnd: implement the sendcoins RPC request

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This commit implements the “send coins” RPC request which was
introduced at both the lnrpc and command line level in a prior commit.

A small refactoring has taken place w.r.t to sendmany+sendcoins in
order to eliminate some code duplication.
This commit is contained in:
Olaoluwa Osuntokun
2016-06-29 11:31:29 -07:00
parent e391cf088e
commit f3a6f8ffe6
2 changed files with 74 additions and 22 deletions
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20
lnwallet/script_utils_test.go
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@@ -164,6 +164,10 @@ func TestRevocationKeyDerivation(t *testing.T) {
}
}
// makeWitnessTestCase is a helper function used within test cases involving
// the validity of a crafted witness. This function is a wrapper function which
// allows constructing table-driven tests. In the case of an error while
// constructing the witness, the test fails fataly.
func makeWitnessTestCase(t *testing.T, f func() (wire.TxWitness, error)) func() wire.TxWitness {
return func() wire.TxWitness {
witness, err := f()
@@ -190,6 +194,8 @@ func makeWitnessTestCase(t *testing.T, f func() (wire.TxWitness, error)) func()
// * invalid sequence for CSV
// * valid lock-time+sequence, valid sig
func TestHTLCSenderSpendValidation(t *testing.T) {
// TODO(roasbeef): eliminate duplication with other HTLC tests.
// We generate a fake output, and the coresponding txin. This output
// doesn't need to exist, as we'll only be validating spending from the
// transaction that references this.
@@ -199,13 +205,15 @@ func TestHTLCSenderSpendValidation(t *testing.T) {
}
fakeFundingTxIn := wire.NewTxIn(fundingOut, nil, nil)
// Generate a payment and revocation pre-image to be used below.
revokePreimage := testHdSeed[:]
revokeHash := fastsha256.Sum256(revokePreimage)
paymentPreimage := revokeHash
paymentPreimage[0] ^= 1
paymentHash := fastsha256.Sum256(paymentPreimage[:])
// We'll also need some tests keys for alice and bob, and meta-data of
// the HTLC output.
aliceKeyPriv, aliceKeyPub := btcec.PrivKeyFromBytes(btcec.S256(),
testWalletPrivKey)
bobKeyPriv, bobKeyPub := btcec.PrivKeyFromBytes(btcec.S256(),
@@ -214,6 +222,7 @@ func TestHTLCSenderSpendValidation(t *testing.T) {
cltvTimeout := uint32(8)
csvTimeout := uint32(5)
// Generate the raw HTLC redemption scripts, and its p2wsh counterpart.
htlcScript, err := senderHTLCScript(cltvTimeout, csvTimeout,
aliceKeyPub, bobKeyPub, revokeHash[:], paymentHash[:])
if err != nil {
@@ -318,6 +327,8 @@ func TestHTLCSenderSpendValidation(t *testing.T) {
t.Fatalf("unable to create engine: %v", err)
}
// This buffer will trace execution of the Script, only dumping
// out to stdout in the case that a test fails.
var debugBuf bytes.Buffer
done := false
@@ -366,13 +377,15 @@ func TestHTLCReceiverSpendValidation(t *testing.T) {
}
fakeFundingTxIn := wire.NewTxIn(fundingOut, nil, nil)
// Generate a payment and revocation pre-image to be used below.
revokePreimage := testHdSeed[:]
revokeHash := fastsha256.Sum256(revokePreimage)
paymentPreimage := revokeHash
paymentPreimage[0] ^= 1
paymentHash := fastsha256.Sum256(paymentPreimage[:])
// We'll also need some tests keys for alice and bob, and meta-data of
// the HTLC output.
aliceKeyPriv, aliceKeyPub := btcec.PrivKeyFromBytes(btcec.S256(),
testWalletPrivKey)
bobKeyPriv, bobKeyPub := btcec.PrivKeyFromBytes(btcec.S256(),
@@ -381,6 +394,7 @@ func TestHTLCReceiverSpendValidation(t *testing.T) {
cltvTimeout := uint32(8)
csvTimeout := uint32(5)
// Generate the raw HTLC redemption scripts, and its p2wsh counterpart.
htlcScript, err := receiverHTLCScript(cltvTimeout, csvTimeout,
aliceKeyPub, bobKeyPub, revokeHash[:], paymentHash[:])
if err != nil {
@@ -486,6 +500,8 @@ func TestHTLCReceiverSpendValidation(t *testing.T) {
t.Fatalf("unable to create engine: %v", err)
}
// This buffer will trace execution of the Script, only dumping
// out to stdout in the case that a test fails.
var debugBuf bytes.Buffer
done := false