Updated on 2026-08-14

app/src/main/java/com/tangem/wallet/EOS/EosPacker.java

@@ -0,0 +1,58 @@
+package com.tangem.wallet.EOS;
+
+import io.jafka.jeos.convert.Packer;
+import io.jafka.jeos.core.common.transaction.TransactionAction;
+import io.jafka.jeos.core.common.transaction.TransactionAuthorization;
+import io.jafka.jeos.util.Raw;
+import io.jafka.jeos.util.ecc.Hex;
+
+public class EosPacker extends Packer {
+    public static Raw packPackedTransaction(String chainId, EosPackedTransaction t) {
+        Raw raw = new Raw();
+        //chain
+        raw.pack(Hex.toBytes(chainId));
+        //expiration
+        raw.packUint32(t.getExpirationSec());
+        //ref_block_num
+        raw.packUint16(t.getRefBlockNum().intValue());
+        //ref_block_prefix
+        raw.packUint32(t.getRefBlockPrefix());
+        //max_net_usage_words
+        raw.packVarint32(t.getMaxNetUsageWords());
+        //max_cpu_usage_ms
+        raw.packUint8(t.getMaxCpuUsageMs());//TODO: what the type?
+        //delay_sec
+        raw.packVarint32(t.getDelaySec());
+        //context_free_actions
+        raw.packVarint32(t.getContextFreeActions().size());
+        //TODO: getContextFreeActions
+
+        //actions
+        raw.packVarint32(t.getActions().size());
+
+        for (TransactionAction a : t.getActions()) {
+            //action.account
+            raw.packName(a.getAccount())//
+                    .packName(a.getName())//
+                    .packVarint32(a.getAuthorization().size())//
+            ;
+            //action.authorization
+            for (TransactionAuthorization au : a.getAuthorization()) {
+                raw.packName(au.getActor())//
+                        .packName(au.getPermission());
+            }
+
+            //action.data
+            byte[] dat = Hex.toBytes(a.getData());
+            raw.packVarint32(dat.length);
+            raw.pack(dat);
+        }
+        //transaction_extensions
+        //raw.packVarint32(t.getTransactionExtensions().size());
+        //TODO: getTransactionExtensions
+
+        //context_free_data
+        //raw.packVarint32(t.getContextFreeActions().size());
+        return raw;
+    }
+}