X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Forg%2Fldk%2Fstructs%2FInMemorySigner.java;h=be812ad1db7f4f1892499c1d929288b331de9829;hb=07d5d868dfe064aadb28a7f7ca6002c16be9723d;hp=5bf7ca9bc9dfa0a5f27811ee99c5a4d4ca26d419;hpb=246459dcbc3be28c38b4951140a5933f4b3aa024;p=ldk-java

diff --git a/src/main/java/org/ldk/structs/InMemorySigner.java b/src/main/java/org/ldk/structs/InMemorySigner.java
index 5bf7ca9b..be812ad1 100644
--- a/src/main/java/org/ldk/structs/InMemorySigner.java
+++ b/src/main/java/org/ldk/structs/InMemorySigner.java
@@ -4,7 +4,16 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import java.lang.ref.Reference;
+import javax.annotation.Nullable;
 
+
+/**
+ * A simple implementation of [`WriteableEcdsaChannelSigner`] that just keeps the private keys in memory.
+ * 
+ * This implementation performs no policy checks and is insufficient by itself as
+ * a secure external signer.
+ */
 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
 public class InMemorySigner extends CommonBase {
 	InMemorySigner(Object _dummy, long ptr) { super(ptr); }
@@ -14,139 +23,394 @@ public class InMemorySigner extends CommonBase {
 		if (ptr != 0) { bindings.InMemorySigner_free(ptr); }
 	}
 
+	/**
+	 * Holder secret key in the 2-of-2 multisig script of a channel. This key also backs the
+	 * holder's anchor output in a commitment transaction, if one is present.
+	 */
 	public byte[] get_funding_key() {
 		byte[] ret = bindings.InMemorySigner_get_funding_key(this.ptr);
+		Reference.reachabilityFence(this);
 		return ret;
 	}
 
+	/**
+	 * Holder secret key in the 2-of-2 multisig script of a channel. This key also backs the
+	 * holder's anchor output in a commitment transaction, if one is present.
+	 */
 	public void set_funding_key(byte[] val) {
-		bindings.InMemorySigner_set_funding_key(this.ptr, val);
+		bindings.InMemorySigner_set_funding_key(this.ptr, InternalUtils.check_arr_len(val, 32));
+		Reference.reachabilityFence(this);
+		Reference.reachabilityFence(val);
 	}
 
+	/**
+	 * Holder secret key for blinded revocation pubkey.
+	 */
 	public byte[] get_revocation_base_key() {
 		byte[] ret = bindings.InMemorySigner_get_revocation_base_key(this.ptr);
+		Reference.reachabilityFence(this);
 		return ret;
 	}
 
+	/**
+	 * Holder secret key for blinded revocation pubkey.
+	 */
 	public void set_revocation_base_key(byte[] val) {
-		bindings.InMemorySigner_set_revocation_base_key(this.ptr, val);
+		bindings.InMemorySigner_set_revocation_base_key(this.ptr, InternalUtils.check_arr_len(val, 32));
+		Reference.reachabilityFence(this);
+		Reference.reachabilityFence(val);
 	}
 
+	/**
+	 * Holder secret key used for our balance in counterparty-broadcasted commitment transactions.
+	 */
 	public byte[] get_payment_key() {
 		byte[] ret = bindings.InMemorySigner_get_payment_key(this.ptr);
+		Reference.reachabilityFence(this);
 		return ret;
 	}
 
+	/**
+	 * Holder secret key used for our balance in counterparty-broadcasted commitment transactions.
+	 */
 	public void set_payment_key(byte[] val) {
-		bindings.InMemorySigner_set_payment_key(this.ptr, val);
+		bindings.InMemorySigner_set_payment_key(this.ptr, InternalUtils.check_arr_len(val, 32));
+		Reference.reachabilityFence(this);
+		Reference.reachabilityFence(val);
 	}
 
+	/**
+	 * Holder secret key used in an HTLC transaction.
+	 */
 	public byte[] get_delayed_payment_base_key() {
 		byte[] ret = bindings.InMemorySigner_get_delayed_payment_base_key(this.ptr);
+		Reference.reachabilityFence(this);
 		return ret;
 	}
 
+	/**
+	 * Holder secret key used in an HTLC transaction.
+	 */
 	public void set_delayed_payment_base_key(byte[] val) {
-		bindings.InMemorySigner_set_delayed_payment_base_key(this.ptr, val);
+		bindings.InMemorySigner_set_delayed_payment_base_key(this.ptr, InternalUtils.check_arr_len(val, 32));
+		Reference.reachabilityFence(this);
+		Reference.reachabilityFence(val);
 	}
 
+	/**
+	 * Holder HTLC secret key used in commitment transaction HTLC outputs.
+	 */
 	public byte[] get_htlc_base_key() {
 		byte[] ret = bindings.InMemorySigner_get_htlc_base_key(this.ptr);
+		Reference.reachabilityFence(this);
 		return ret;
 	}
 
+	/**
+	 * Holder HTLC secret key used in commitment transaction HTLC outputs.
+	 */
 	public void set_htlc_base_key(byte[] val) {
-		bindings.InMemorySigner_set_htlc_base_key(this.ptr, val);
+		bindings.InMemorySigner_set_htlc_base_key(this.ptr, InternalUtils.check_arr_len(val, 32));
+		Reference.reachabilityFence(this);
+		Reference.reachabilityFence(val);
 	}
 
+	/**
+	 * Commitment seed.
+	 */
 	public byte[] get_commitment_seed() {
 		byte[] ret = bindings.InMemorySigner_get_commitment_seed(this.ptr);
+		Reference.reachabilityFence(this);
 		return ret;
 	}
 
+	/**
+	 * Commitment seed.
+	 */
 	public void set_commitment_seed(byte[] val) {
-		bindings.InMemorySigner_set_commitment_seed(this.ptr, val);
+		bindings.InMemorySigner_set_commitment_seed(this.ptr, InternalUtils.check_arr_len(val, 32));
+		Reference.reachabilityFence(this);
+		Reference.reachabilityFence(val);
+	}
+
+	long clone_ptr() {
+		long ret = bindings.InMemorySigner_clone_ptr(this.ptr);
+		Reference.reachabilityFence(this);
+		return ret;
 	}
 
+	/**
+	 * Creates a copy of the InMemorySigner
+	 */
 	public InMemorySigner clone() {
 		long ret = bindings.InMemorySigner_clone(this.ptr);
-		InMemorySigner ret_hu_conv = new InMemorySigner(null, ret);
-		ret_hu_conv.ptrs_to.add(this);
+		Reference.reachabilityFence(this);
+		if (ret >= 0 && ret <= 4096) { return null; }
+		org.ldk.structs.InMemorySigner ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.InMemorySigner(null, ret); }
+		if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
 		return ret_hu_conv;
 	}
 
-	public static InMemorySigner constructor_new(byte[] funding_key, byte[] revocation_base_key, byte[] payment_key, byte[] delayed_payment_base_key, byte[] htlc_base_key, byte[] commitment_seed, long channel_value_satoshis, byte[] channel_keys_id) {
-		long ret = bindings.InMemorySigner_new(funding_key, revocation_base_key, payment_key, delayed_payment_base_key, htlc_base_key, commitment_seed, channel_value_satoshis, channel_keys_id);
-		InMemorySigner ret_hu_conv = new InMemorySigner(null, ret);
-		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+	/**
+	 * Creates a new [`InMemorySigner`].
+	 */
+	public static InMemorySigner of(byte[] funding_key, byte[] revocation_base_key, byte[] payment_key, byte[] delayed_payment_base_key, byte[] htlc_base_key, byte[] commitment_seed, long channel_value_satoshis, byte[] channel_keys_id, byte[] rand_bytes_unique_start) {
+		long ret = bindings.InMemorySigner_new(InternalUtils.check_arr_len(funding_key, 32), InternalUtils.check_arr_len(revocation_base_key, 32), InternalUtils.check_arr_len(payment_key, 32), InternalUtils.check_arr_len(delayed_payment_base_key, 32), InternalUtils.check_arr_len(htlc_base_key, 32), InternalUtils.check_arr_len(commitment_seed, 32), channel_value_satoshis, InternalUtils.check_arr_len(channel_keys_id, 32), InternalUtils.check_arr_len(rand_bytes_unique_start, 32));
+		Reference.reachabilityFence(funding_key);
+		Reference.reachabilityFence(revocation_base_key);
+		Reference.reachabilityFence(payment_key);
+		Reference.reachabilityFence(delayed_payment_base_key);
+		Reference.reachabilityFence(htlc_base_key);
+		Reference.reachabilityFence(commitment_seed);
+		Reference.reachabilityFence(channel_value_satoshis);
+		Reference.reachabilityFence(channel_keys_id);
+		Reference.reachabilityFence(rand_bytes_unique_start);
+		if (ret >= 0 && ret <= 4096) { return null; }
+		org.ldk.structs.InMemorySigner ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.InMemorySigner(null, ret); }
+		if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
 		return ret_hu_conv;
 	}
 
+	/**
+	 * Returns the counterparty's pubkeys.
+	 * 
+	 * Will return `None` if [`ChannelSigner::provide_channel_parameters`] has not been called.
+	 * In general, this is safe to `unwrap` only in [`ChannelSigner`] implementation.
+	 * 
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
+	 */
+	@Nullable
 	public ChannelPublicKeys counterparty_pubkeys() {
 		long ret = bindings.InMemorySigner_counterparty_pubkeys(this.ptr);
-		ChannelPublicKeys ret_hu_conv = new ChannelPublicKeys(null, ret);
-		ret_hu_conv.ptrs_to.add(this);
+		Reference.reachabilityFence(this);
+		if (ret >= 0 && ret <= 4096) { return null; }
+		org.ldk.structs.ChannelPublicKeys ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ChannelPublicKeys(null, ret); }
+		if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
 		return ret_hu_conv;
 	}
 
-	public short counterparty_selected_contest_delay() {
-		short ret = bindings.InMemorySigner_counterparty_selected_contest_delay(this.ptr);
-		return ret;
+	/**
+	 * Returns the `contest_delay` value specified by our counterparty and applied on holder-broadcastable
+	 * transactions, i.e., the amount of time that we have to wait to recover our funds if we
+	 * broadcast a transaction.
+	 * 
+	 * Will return `None` if [`ChannelSigner::provide_channel_parameters`] has not been called.
+	 * In general, this is safe to `unwrap` only in [`ChannelSigner`] implementation.
+	 */
+	public Option_u16Z counterparty_selected_contest_delay() {
+		long ret = bindings.InMemorySigner_counterparty_selected_contest_delay(this.ptr);
+		Reference.reachabilityFence(this);
+		if (ret >= 0 && ret <= 4096) { return null; }
+		org.ldk.structs.Option_u16Z ret_hu_conv = org.ldk.structs.Option_u16Z.constr_from_ptr(ret);
+		if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
+		return ret_hu_conv;
 	}
 
-	public short holder_selected_contest_delay() {
-		short ret = bindings.InMemorySigner_holder_selected_contest_delay(this.ptr);
-		return ret;
+	/**
+	 * Returns the `contest_delay` value specified by us and applied on transactions broadcastable
+	 * by our counterparty, i.e., the amount of time that they have to wait to recover their funds
+	 * if they broadcast a transaction.
+	 * 
+	 * Will return `None` if [`ChannelSigner::provide_channel_parameters`] has not been called.
+	 * In general, this is safe to `unwrap` only in [`ChannelSigner`] implementation.
+	 */
+	public Option_u16Z holder_selected_contest_delay() {
+		long ret = bindings.InMemorySigner_holder_selected_contest_delay(this.ptr);
+		Reference.reachabilityFence(this);
+		if (ret >= 0 && ret <= 4096) { return null; }
+		org.ldk.structs.Option_u16Z ret_hu_conv = org.ldk.structs.Option_u16Z.constr_from_ptr(ret);
+		if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
+		return ret_hu_conv;
 	}
 
-	public boolean is_outbound() {
-		boolean ret = bindings.InMemorySigner_is_outbound(this.ptr);
-		return ret;
+	/**
+	 * Returns whether the holder is the initiator.
+	 * 
+	 * Will return `None` if [`ChannelSigner::provide_channel_parameters`] has not been called.
+	 * In general, this is safe to `unwrap` only in [`ChannelSigner`] implementation.
+	 */
+	public Option_boolZ is_outbound() {
+		long ret = bindings.InMemorySigner_is_outbound(this.ptr);
+		Reference.reachabilityFence(this);
+		if (ret >= 0 && ret <= 4096) { return null; }
+		org.ldk.structs.Option_boolZ ret_hu_conv = org.ldk.structs.Option_boolZ.constr_from_ptr(ret);
+		if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
+		return ret_hu_conv;
 	}
 
+	/**
+	 * Funding outpoint
+	 * 
+	 * Will return `None` if [`ChannelSigner::provide_channel_parameters`] has not been called.
+	 * In general, this is safe to `unwrap` only in [`ChannelSigner`] implementation.
+	 * 
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
+	 */
+	@Nullable
 	public OutPoint funding_outpoint() {
 		long ret = bindings.InMemorySigner_funding_outpoint(this.ptr);
-		OutPoint ret_hu_conv = new OutPoint(null, ret);
-		ret_hu_conv.ptrs_to.add(this);
+		Reference.reachabilityFence(this);
+		if (ret >= 0 && ret <= 4096) { return null; }
+		org.ldk.structs.OutPoint ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.OutPoint(null, ret); }
+		if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
 		return ret_hu_conv;
 	}
 
+	/**
+	 * Returns a [`ChannelTransactionParameters`] for this channel, to be used when verifying or
+	 * building transactions.
+	 * 
+	 * Will return `None` if [`ChannelSigner::provide_channel_parameters`] has not been called.
+	 * In general, this is safe to `unwrap` only in [`ChannelSigner`] implementation.
+	 * 
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
+	 */
+	@Nullable
 	public ChannelTransactionParameters get_channel_parameters() {
 		long ret = bindings.InMemorySigner_get_channel_parameters(this.ptr);
-		ChannelTransactionParameters ret_hu_conv = new ChannelTransactionParameters(null, ret);
-		ret_hu_conv.ptrs_to.add(this);
+		Reference.reachabilityFence(this);
+		if (ret >= 0 && ret <= 4096) { return null; }
+		org.ldk.structs.ChannelTransactionParameters ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ChannelTransactionParameters(null, ret); }
+		if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Returns the channel type features of the channel parameters. Should be helpful for
+	 * determining a channel's category, i. e. legacy/anchors/taproot/etc.
+	 * 
+	 * Will return `None` if [`ChannelSigner::provide_channel_parameters`] has not been called.
+	 * In general, this is safe to `unwrap` only in [`ChannelSigner`] implementation.
+	 * 
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
+	 */
+	@Nullable
+	public ChannelTypeFeatures channel_type_features() {
+		long ret = bindings.InMemorySigner_channel_type_features(this.ptr);
+		Reference.reachabilityFence(this);
+		if (ret >= 0 && ret <= 4096) { return null; }
+		org.ldk.structs.ChannelTypeFeatures ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ChannelTypeFeatures(null, ret); }
+		if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
 		return ret_hu_conv;
 	}
 
-	public Result_CVec_CVec_u8ZZNoneZ sign_counterparty_payment_input(byte[] spend_tx, long input_idx, StaticPaymentOutputDescriptor descriptor) {
-		long ret = bindings.InMemorySigner_sign_counterparty_payment_input(this.ptr, spend_tx, input_idx, descriptor == null ? 0 : descriptor.ptr & ~1);
+	/**
+	 * Sign the single input of `spend_tx` at index `input_idx`, which spends the output described
+	 * by `descriptor`, returning the witness stack for the input.
+	 * 
+	 * Returns an error if the input at `input_idx` does not exist, has a non-empty `script_sig`,
+	 * is not spending the outpoint described by [`descriptor.outpoint`],
+	 * or if an output descriptor `script_pubkey` does not match the one we can spend.
+	 * 
+	 * [`descriptor.outpoint`]: StaticPaymentOutputDescriptor::outpoint
+	 */
+	public Result_CVec_CVec_u8ZZNoneZ sign_counterparty_payment_input(byte[] spend_tx, long input_idx, org.ldk.structs.StaticPaymentOutputDescriptor descriptor) {
+		long ret = bindings.InMemorySigner_sign_counterparty_payment_input(this.ptr, spend_tx, input_idx, descriptor == null ? 0 : descriptor.ptr);
+		Reference.reachabilityFence(this);
+		Reference.reachabilityFence(spend_tx);
+		Reference.reachabilityFence(input_idx);
+		Reference.reachabilityFence(descriptor);
+		if (ret >= 0 && ret <= 4096) { return null; }
 		Result_CVec_CVec_u8ZZNoneZ ret_hu_conv = Result_CVec_CVec_u8ZZNoneZ.constr_from_ptr(ret);
-		this.ptrs_to.add(descriptor);
+		if (this != null) { this.ptrs_to.add(descriptor); };
 		return ret_hu_conv;
 	}
 
-	public Result_CVec_CVec_u8ZZNoneZ sign_dynamic_p2wsh_input(byte[] spend_tx, long input_idx, DelayedPaymentOutputDescriptor descriptor) {
-		long ret = bindings.InMemorySigner_sign_dynamic_p2wsh_input(this.ptr, spend_tx, input_idx, descriptor == null ? 0 : descriptor.ptr & ~1);
+	/**
+	 * Sign the single input of `spend_tx` at index `input_idx` which spends the output
+	 * described by `descriptor`, returning the witness stack for the input.
+	 * 
+	 * Returns an error if the input at `input_idx` does not exist, has a non-empty `script_sig`,
+	 * is not spending the outpoint described by [`descriptor.outpoint`], does not have a
+	 * sequence set to [`descriptor.to_self_delay`], or if an output descriptor
+	 * `script_pubkey` does not match the one we can spend.
+	 * 
+	 * [`descriptor.outpoint`]: DelayedPaymentOutputDescriptor::outpoint
+	 * [`descriptor.to_self_delay`]: DelayedPaymentOutputDescriptor::to_self_delay
+	 */
+	public Result_CVec_CVec_u8ZZNoneZ sign_dynamic_p2wsh_input(byte[] spend_tx, long input_idx, org.ldk.structs.DelayedPaymentOutputDescriptor descriptor) {
+		long ret = bindings.InMemorySigner_sign_dynamic_p2wsh_input(this.ptr, spend_tx, input_idx, descriptor == null ? 0 : descriptor.ptr);
+		Reference.reachabilityFence(this);
+		Reference.reachabilityFence(spend_tx);
+		Reference.reachabilityFence(input_idx);
+		Reference.reachabilityFence(descriptor);
+		if (ret >= 0 && ret <= 4096) { return null; }
 		Result_CVec_CVec_u8ZZNoneZ ret_hu_conv = Result_CVec_CVec_u8ZZNoneZ.constr_from_ptr(ret);
-		this.ptrs_to.add(descriptor);
+		if (this != null) { this.ptrs_to.add(descriptor); };
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Constructs a new EntropySource which calls the relevant methods on this_arg.
+	 * This copies the `inner` pointer in this_arg and thus the returned EntropySource must be freed before this_arg is
+	 */
+	public EntropySource as_EntropySource() {
+		long ret = bindings.InMemorySigner_as_EntropySource(this.ptr);
+		Reference.reachabilityFence(this);
+		if (ret >= 0 && ret <= 4096) { return null; }
+		EntropySource ret_hu_conv = new EntropySource(null, ret);
+		if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Constructs a new ChannelSigner which calls the relevant methods on this_arg.
+	 * This copies the `inner` pointer in this_arg and thus the returned ChannelSigner must be freed before this_arg is
+	 */
+	public ChannelSigner as_ChannelSigner() {
+		long ret = bindings.InMemorySigner_as_ChannelSigner(this.ptr);
+		Reference.reachabilityFence(this);
+		if (ret >= 0 && ret <= 4096) { return null; }
+		ChannelSigner ret_hu_conv = new ChannelSigner(null, ret);
+		if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Constructs a new EcdsaChannelSigner which calls the relevant methods on this_arg.
+	 * This copies the `inner` pointer in this_arg and thus the returned EcdsaChannelSigner must be freed before this_arg is
+	 */
+	public EcdsaChannelSigner as_EcdsaChannelSigner() {
+		long ret = bindings.InMemorySigner_as_EcdsaChannelSigner(this.ptr);
+		Reference.reachabilityFence(this);
+		if (ret >= 0 && ret <= 4096) { return null; }
+		EcdsaChannelSigner ret_hu_conv = new EcdsaChannelSigner(null, ret);
+		if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
 		return ret_hu_conv;
 	}
 
-	public Sign as_Sign() {
-		long ret = bindings.InMemorySigner_as_Sign(this.ptr);
-		Sign ret_hu_conv = new Sign(null, ret);
-		ret_hu_conv.ptrs_to.add(this);
+	/**
+	 * Constructs a new WriteableEcdsaChannelSigner which calls the relevant methods on this_arg.
+	 * This copies the `inner` pointer in this_arg and thus the returned WriteableEcdsaChannelSigner must be freed before this_arg is
+	 */
+	public WriteableEcdsaChannelSigner as_WriteableEcdsaChannelSigner() {
+		long ret = bindings.InMemorySigner_as_WriteableEcdsaChannelSigner(this.ptr);
+		Reference.reachabilityFence(this);
+		if (ret >= 0 && ret <= 4096) { return null; }
+		WriteableEcdsaChannelSigner ret_hu_conv = new WriteableEcdsaChannelSigner(null, ret);
+		if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
 		return ret_hu_conv;
 	}
 
+	/**
+	 * Serialize the InMemorySigner object into a byte array which can be read by InMemorySigner_read
+	 */
 	public byte[] write() {
 		byte[] ret = bindings.InMemorySigner_write(this.ptr);
+		Reference.reachabilityFence(this);
 		return ret;
 	}
 
-	public static Result_InMemorySignerDecodeErrorZ constructor_read(byte[] ser) {
-		long ret = bindings.InMemorySigner_read(ser);
+	/**
+	 * Read a InMemorySigner from a byte array, created by InMemorySigner_write
+	 */
+	public static Result_InMemorySignerDecodeErrorZ read(byte[] ser, org.ldk.structs.EntropySource arg) {
+		long ret = bindings.InMemorySigner_read(ser, arg.ptr);
+		Reference.reachabilityFence(ser);
+		Reference.reachabilityFence(arg);
+		if (ret >= 0 && ret <= 4096) { return null; }
 		Result_InMemorySignerDecodeErrorZ ret_hu_conv = Result_InMemorySignerDecodeErrorZ.constr_from_ptr(ret);
+		if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(arg); };
 		return ret_hu_conv;
 	}