Fix decoded transaction model

Sources/Stratis.Bitcoin/Controllers/Models/TransactionModel.cs

@@ -75,7 +75,17 @@ namespace Stratis.Bitcoin.Controllers.Models
                 this.Version = trx.Version;
                 this.LockTime = trx.LockTime;
 
-                this.VIn = trx.Inputs.Select(txin => new Vin(txin.PrevOut, txin.Sequence, txin.ScriptSig)).ToList();
+                this.VIn = trx.IsCoinBase
+                    ? trx.Inputs.Select(txin => new Vin(txin.PrevOut, txin.Sequence, txin.ScriptSig)).ToList()
+                    : trx.Inputs.Select(txin => txin.IsChangePointer()
+                        ? new Vin
+                        {
+                            ScriptSig = new Script(txin.ScriptSig),
+                            TxId = txin.PrevOut.Hash.ToString(),
+                            VOut = txin.PrevOut.N,
+                            Sequence = (uint) txin.Sequence
+                        }
+                        : new Vin(txin.PrevOut, txin.Sequence, txin.ScriptSig)).ToList();
 
                 int n = 0;
                 this.VOut = trx.Outputs.Select(txout => new Vout(n++, txout, network)).ToList();