X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Forg%2Fldk%2Fstructs%2FKeysInterface.java;h=ea88ec2c61a4377ba40ade74dfca2c7f54fd5058;hb=c6bac88847b7c09560af81f00ba8dd3c2ebe3a19;hp=bbb5df9856e0c9f78ed67f9362e9d266f80bc8b1;hpb=17113550a5fefab21f39f27fbfe02646b8db53ae;p=ldk-java diff --git a/src/main/java/org/ldk/structs/KeysInterface.java b/src/main/java/org/ldk/structs/KeysInterface.java index bbb5df98..ea88ec2c 100644 --- a/src/main/java/org/ldk/structs/KeysInterface.java +++ b/src/main/java/org/ldk/structs/KeysInterface.java @@ -4,6 +4,7 @@ import org.ldk.impl.bindings; import org.ldk.enums.*; import org.ldk.util.*; import java.util.Arrays; +import javax.annotation.Nullable; /** * A trait to describe an object which can get user secrets and key material. @@ -37,13 +38,12 @@ public class KeysInterface extends CommonBase { */ byte[] get_destination_script(); /** - * Get a public key which we will send funds to (in the form of a P2WPKH output) when closing - * a channel. + * Get a script pubkey which we will send funds to when closing a channel. * * This method should return a different value each time it is called, to avoid linking * on-chain funds across channels as controlled to the same user. */ - byte[] get_shutdown_pubkey(); + ShutdownScript get_shutdown_scriptpubkey(); /** * Get a new set of Sign for per-channel secrets. These MUST be unique even if you * restarted with some stale data! @@ -68,6 +68,13 @@ public class KeysInterface extends CommonBase { * you've read all of the provided bytes to ensure no corruption occurred. */ Result_SignDecodeErrorZ read_chan_signer(byte[] reader); + /** + * Sign an invoice's preimage (note that this is the preimage of the invoice, not the HTLC's + * preimage). By parameterizing by the preimage instead of the hash, we allow implementors of + * this trait to parse the invoice and make sure they're signing what they expect, rather than + * blindly signing the hash. + */ + Result_RecoverableSignatureNoneZ sign_invoice(byte[] invoice_preimage); } private static class LDKKeysInterfaceHolder { KeysInterface held; } public static KeysInterface new_impl(KeysInterfaceInterface arg) { @@ -81,9 +88,10 @@ public class KeysInterface extends CommonBase { byte[] ret = arg.get_destination_script(); return ret; } - @Override public byte[] get_shutdown_pubkey() { - byte[] ret = arg.get_shutdown_pubkey(); - return ret; + @Override public long get_shutdown_scriptpubkey() { + ShutdownScript ret = arg.get_shutdown_scriptpubkey(); + long result = ret == null ? 0 : ret.ptr & ~1; + return result; } @Override public long get_channel_signer(boolean inbound, long channel_value_satoshis) { Sign ret = arg.get_channel_signer(inbound, channel_value_satoshis); @@ -100,6 +108,11 @@ public class KeysInterface extends CommonBase { long result = ret != null ? ret.ptr : 0; return result; } + @Override public long sign_invoice(byte[] invoice_preimage) { + Result_RecoverableSignatureNoneZ ret = arg.sign_invoice(invoice_preimage); + long result = ret != null ? ret.ptr : 0; + return result; + } }); return impl_holder.held; } @@ -125,15 +138,17 @@ public class KeysInterface extends CommonBase { } /** - * Get a public key which we will send funds to (in the form of a P2WPKH output) when closing - * a channel. + * Get a script pubkey which we will send funds to when closing a channel. * * This method should return a different value each time it is called, to avoid linking * on-chain funds across channels as controlled to the same user. */ - public byte[] get_shutdown_pubkey() { - byte[] ret = bindings.KeysInterface_get_shutdown_pubkey(this.ptr); - return ret; + public ShutdownScript get_shutdown_scriptpubkey() { + long ret = bindings.KeysInterface_get_shutdown_scriptpubkey(this.ptr); + if (ret >= 0 && ret <= 4096) { return null; } + ShutdownScript ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new ShutdownScript(null, ret); } + ret_hu_conv.ptrs_to.add(this); + return ret_hu_conv; } /** @@ -144,6 +159,7 @@ public class KeysInterface extends CommonBase { */ public Sign get_channel_signer(boolean inbound, long channel_value_satoshis) { long ret = bindings.KeysInterface_get_channel_signer(this.ptr, inbound, channel_value_satoshis); + if (ret >= 0 && ret <= 4096) { return null; } Sign ret_hu_conv = new Sign(null, ret); ret_hu_conv.ptrs_to.add(this); return ret_hu_conv; @@ -171,8 +187,22 @@ public class KeysInterface extends CommonBase { */ public Result_SignDecodeErrorZ read_chan_signer(byte[] reader) { long ret = bindings.KeysInterface_read_chan_signer(this.ptr, reader); + if (ret >= 0 && ret <= 4096) { return null; } Result_SignDecodeErrorZ ret_hu_conv = Result_SignDecodeErrorZ.constr_from_ptr(ret); return ret_hu_conv; } + /** + * Sign an invoice's preimage (note that this is the preimage of the invoice, not the HTLC's + * preimage). By parameterizing by the preimage instead of the hash, we allow implementors of + * this trait to parse the invoice and make sure they're signing what they expect, rather than + * blindly signing the hash. + */ + public Result_RecoverableSignatureNoneZ sign_invoice(byte[] invoice_preimage) { + long ret = bindings.KeysInterface_sign_invoice(this.ptr, invoice_preimage); + if (ret >= 0 && ret <= 4096) { return null; } + Result_RecoverableSignatureNoneZ ret_hu_conv = Result_RecoverableSignatureNoneZ.constr_from_ptr(ret); + return ret_hu_conv; + } + }