diff --git a/lnwallet/script_utils.go b/lnwallet/script_utils.go index 3c7e08f66..cb99a9b00 100644 --- a/lnwallet/script_utils.go +++ b/lnwallet/script_utils.go @@ -152,11 +152,11 @@ func FindScriptOutputIndex(tx *wire.MsgTx, script []byte) (bool, uint32) { return found, index } -// ripemd160H calculates the ripemd160 of the passed byte slice. This is used to +// Ripemd160H calculates the ripemd160 of the passed byte slice. This is used to // calculate the intermediate hash for payment pre-images. Payment hashes are // the result of ripemd160(sha256(paymentPreimage)). As a result, the value // passed in should be the sha256 of the payment hash. -func ripemd160H(d []byte) []byte { +func Ripemd160H(d []byte) []byte { h := ripemd160.New() h.Write(d) return h.Sum(nil) @@ -256,7 +256,7 @@ func senderHTLCScript(senderHtlcKey, receiverHtlcKey, // pre-image. By using this little trick we're able save space on-chain // as the witness includes a 20-byte hash rather than a 32-byte hash. builder.AddOp(txscript.OP_HASH160) - builder.AddData(ripemd160H(paymentHash)) + builder.AddData(Ripemd160H(paymentHash)) builder.AddOp(txscript.OP_EQUALVERIFY) // This checks the receiver's signature so that a third party with @@ -457,7 +457,7 @@ func receiverHTLCScript(cltvExpiry uint32, senderHtlcKey, // payment pre-image, then we'll continue. Otherwise, we'll end the // script here as this is the invalid payment pre-image. builder.AddOp(txscript.OP_HASH160) - builder.AddData(ripemd160H(paymentHash)) + builder.AddData(Ripemd160H(paymentHash)) builder.AddOp(txscript.OP_EQUALVERIFY) // If the payment hash matches, then we'll also need to satisfy the