From dec6672eca01c4d280408608d41001f8e1f1cd36 Mon Sep 17 00:00:00 2001
From: AnHyoChul <hyochul.an@iotrust.kr>
Date: Wed, 6 Dec 2023 14:37:11 +0900
Subject: [PATCH 1/4] add parachain

---
 doc/index.md                                  | 124 ++++++++-
 index.html                                    | 249 +++++++++++-------
 info/supported_union_info.json                |  16 ++
 src/index.js                                  |  73 ++++-
 src/native/request-method.js                  |   1 +
 src/type/dcent-web-type.js                    |  12 +
 .../20_coin.algorand.sign.spec.js             |  14 +-
 7 files changed, 382 insertions(+), 107 deletions(-)

diff --git a/doc/index.md b/doc/index.md
index 6410ba4..e9feb4f 100644
--- a/doc/index.md
+++ b/doc/index.md
@@ -503,6 +503,40 @@ The address string format is depend on the coin type.
 
 For some coin type(ex. TEZOS), include pubkey as a property of the response parameter.
 
+For ss58 addresses used by the Substrate ecosystems such as Astar, a parameter called optionParam is added.
+The value of optionParam is the prefix for each network defined in [ss58-registry](https://github.com/paritytech/ss58-registry).
+
+```js
+var coinType = DcentWebConnector.coinType.PARA
+var keyPath = "m/44'/810'/0'/0/0" // key path of the Astar's account
+var optionParam = 5 // The address prefix
+
+var result
+try{
+    // Get the address corresponding to keyPath & prefix
+    result = await DcentWebConnector.getAddress(coinType, keyPath, optionParam)
+}catch(e){
+    result = e
+}
+```
+
+Returned response object has:
+
+```json
+{
+    "header": {
+        "version": "1.0",
+        "response_from": "para",
+        "status": "success"
+    },
+    "body": {
+        "command": "get_address",
+        "parameter": {
+            "address": "YzsEz5dG8TDqG49pGaejLrFoD4oeNTEX7yWt4qcCV4TA9LB"
+        }
+    }
+}
+```
 
 ### Get XPUB
 
@@ -1683,7 +1717,7 @@ For broadcast the sign transaction, you must reconstruct transaction include `Tx
 
 - This fuction for :
 
-  - POLCKADOT(DOT)
+  - POLKADOT(DOT)
 - Parameters :
 
   - unsignedTx: unsigned hexadecimal tx [Polkadot Docs](https://wiki.polkadot.network/docs/build-transaction-construction)
@@ -1953,4 +1987,92 @@ For broadcast the sign transaction, you must reconstruct transaction include `Tx
   }
   ```
 
+**getParachainSignedTransaction()**
+
+- This fuction for :
+
+  - Parachain - Astar(ASTR)
+  - Parachain Asset- Astar Asset(XC20)
+- Parameters :
+
+  - unsignedTx: unsigned hexadecimal tx [Polkadot Docs](https://wiki.polkadot.network/docs/build-transaction-construction)
+  - path: key path, wallet sign with that private key with a given key path (BIP32 ex) "m/44'/810'/0'/0/0").
+  - fee: fee, It is fee that wallet displays on the screen.
+  - symbol: symbol, It is a symbol that the wallet displays on the screen.
+  - decimals: Parachain's decimals.
+  - RPCUrl: Network RPC endpoints.
+  - fee symbol: fee's symbol, It is a symbol that the wallet displays on the screen.
+  - fee decimals: fee's decimals.
+- Requirements:
+
+  - `D'CENT Bridge` version 1.5.3 or higher is required.
+  - D'CENT Biometric Wallet version 2.30.0 or higher is required.
+- Useage:
+
+  ```js
+  import { ApiPromise, HttpProvider } from '@polkadot/api'
+
+  const httpProvider = new HttpProvider('https://evm.astar.network');
+  const api = await ApiPromise({ provider: httpProvider });
+  // Wait until we are ready and connected
+  await api.isReady;
+
+  const blockNumber = await api.rpc.chain.getHeader();
+  const blockHash = await api.rpc.chain.getBlockHash(blockNumber.number.toHex());
+  // create SignerPayload
+  const signerPayload = api.createType('SignerPayload', {
+    genesisHash: api.genesisHash,
+    runtimeVersion: api.runtimeVersion,
+    version: api.extrinsicVersion,
+    blockHash: blockHash,
+    blockNumber: blockNumber.number,
+    era: api.createType('ExtrinsicEra', {
+      current: blockNumber.number,
+      period: 50
+    }),
+    nonce,
+    address: to,
+    method: api.tx.balances.transfer(to, amount).method, // For tokens, method: api.tx.assets.transfer(contract, to, amount).method,
+  });
+
+  const sigHash = signerPayload.toRaw().data;
+
+  const transactionJson = {
+    coinType: DcentWebConnector.coinType.PARA,
+    sigHash: sigHash,
+    path: `m/44'/810'/0'/0/0`,
+    decimals, // 18
+    fee,
+    symbol: 'ASTR',
+    RPCUrl: 'https://evm.astar.network',
+    feeSymbol: 'ASTR',
+    feeDecimals, // 18
+  };
+
+  var result;
+  try {
+    result = await DcentWebConnector.getParachainSignedTransaction(transactionJson);
+  } catch (e) {
+    console.log(e);
+    result = e;
+  }
+  ```
+- Returned response object:
+
+  ```json
+  {
+    "header": {
+      "version": "1.0",
+      "response_from": "para",
+      "status": "success"
+    },
+    "body": {
+      "command": "transaction",
+      "parameter": {
+        "signed_tx": "0x263b3ed036c74d15d875c7246abe73404c82763f3300316eb782cafdf5bd93f4f47f0fe34d823f9d07f8db7b2cb81051e58a1e58993c70888916c0ef6c3c910f"
+      }
+    }
+  }
+  ```
+
 Please Refer to the `index.html` to learn more about how to use the SDK APIs. There is an Web project using our Web SDK.
diff --git a/index.html b/index.html
index 0e66e38..5021a80 100644
--- a/index.html
+++ b/index.html
@@ -111,6 +111,8 @@ <h5 class="card-title">Response</h5>
         <button id="getPolkadotSignedTransaction" type="button" class="btn btn-primary">getPolkadotSignedTransaction</button>
         <button id="getCosmosSignedTransaction" type="button" class="btn btn-primary">getCosmosSignedTransaction</button>
         <button id="getCoreumSignedTransaction" type="button" class="btn btn-primary">getCosmosSignedTransaction - for coreum</button>
+        <button id="getParachainSignedTransaction" type="button" class="btn btn-primary">getParachainSignedTransaction - for Astar</button>
+        <button id="getParachainXc20SignedTransaction" type="button" class="btn btn-primary">getParachainXc20SignedTransaction - for Astar</button>
         
         <br /><br />
 
@@ -168,6 +170,9 @@ <h5 class="card-title">Response</h5>
         <button id="get_address_coreum" type="button" class="btn btn-primary">Get Coreum Mainnet
           Address("m/44'/990'/0'/0/0")</button>
         <br />
+        <button id="get_address_parachain" type="button" class="btn btn-primary">Get Parachain(Astar) Mainnet
+          Address("m/44'/810'/0'/0/0")</button>
+        <br />
 
       </div>
     </div>
@@ -237,6 +242,7 @@ <h5 class="card-title">Response</h5>
         $('#get_address_polkadot').click(get_address_polkadot_clicked);
         $('#get_address_cosmos').click(get_address_cosmos_clicked);
         $('#get_address_coreum').click(get_address_coreum_clicked);
+        $('#get_address_parachain').click(get_address_parachain_clicked);
 
         $('#getBitcoinSignedTransaction').click(getBitcoinSignedTransaction_clicked);
         
@@ -277,6 +283,8 @@ <h5 class="card-title">Response</h5>
         $('#getPolkadotSignedTransaction').click(getPolkadotSignedTransaction_clicked);
         $('#getCosmosSignedTransaction').click(getCosmosSignedTransaction_clicked);
         $('#getCoreumSignedTransaction').click(getCoreumSignedTransaction_clicked);
+        $('#getParachainSignedTransaction').click(getParachainSignedTransaction_clicked);
+        $('#getParachainXc20SignedTransaction').click(getParachainXc20SignedTransaction_clicked);
       });
 
       async function info_clicked() {
@@ -482,31 +490,39 @@ <h5 class="card-title">Response</h5>
       }
 
       async function get_address_polkadot_clicked() {
-         set_command_name("Processing...");
- 
-         var result = await getAddress(dcent.coinType.POLKADOT, "m/44'/354'/0'/0/0")
- 
-         set_command_name("get_address polkadot")        
-         resp_editor.load(result)
-      }
-  
-       async function get_address_cosmos_clicked() {
-         set_command_name("Processing...");
- 
-         var result = await getAddress(dcent.coinType.COSMOS, "m/44'/118'/0'/0/0")
- 
-         set_command_name("get_address cosmos")        
-         resp_editor.load(result)
-      }
- 
-       async function get_address_coreum_clicked() {
-         set_command_name("Processing...");
-         var result = await getAddress(dcent.coinType.COREUM, "m/44'/990'/0'/0/0")
- 
-         set_command_name("get_address coreum")        
-         resp_editor.load(result)
-      }
- 
+        set_command_name("Processing...");
+
+        var result = await getAddress(dcent.coinType.POLKADOT, "m/44'/354'/0'/0/0")
+
+        set_command_name("get_address polkadot")        
+        resp_editor.load(result)
+      }
+
+      async function get_address_cosmos_clicked() {
+        set_command_name("Processing...");
+
+        var result = await getAddress(dcent.coinType.COSMOS, "m/44'/118'/0'/0/0")
+
+        set_command_name("get_address cosmos")        
+        resp_editor.load(result)
+      }
+
+      async function get_address_coreum_clicked() {
+        set_command_name("Processing...");
+        var result = await getAddress(dcent.coinType.COREUM, "m/44'/990'/0'/0/0")
+
+        set_command_name("get_address coreum")        
+        resp_editor.load(result)
+      }
+
+      async function get_address_parachain_clicked() {
+        set_command_name("Processing...");
+        var result = await getAddress(dcent.coinType.PARA, "m/44'/810'/0'/0/0", 5)
+
+        set_command_name("get_address parachain")        
+        resp_editor.load(result)
+      }
+
 
 
       async function getBitcoinSignedTransaction_clicked() {
@@ -1068,54 +1084,92 @@ <h5 class="card-title">Response</h5>
         set_command_name("getHavahHsp20SignedTransaction_deploy")
         resp_editor.load(result)
       }
+
       async function getPolkadotSignedTransaction_clicked() {
-         set_command_name("Processing...");
-         var transactionJson = {
-           coinType: dcent.coinType.POLKADOT,
-           sigHash: '040000163a5ee36b1243ce5241c0a45010dd1717869e9918c040bf5d305be4a5af9e7a0b00407a10f35a003400a223000007000000e143f23803ac50e8f6f8e62695d1ce9e4e1d68aa36c1cd2cfd15340213f3423ee143f23803ac50e8f6f8e62695d1ce9e4e1d68aa36c1cd2cfd15340213f3423e',
-           path: `m/44'/354'/0'/0/0`,
-           decimals: 12,
-           fee: '0.00021',
-           symbol: 'DOT',
-         }
-         var result  = await getPolkadotSignedTransaction(transactionJson);
-       
-         set_command_name("getPolkadotSignedTransaction")
-         resp_editor.load(result)
-       }
- 
-       async function getCosmosSignedTransaction_clicked() {
-         set_command_name("Processing...");
-         var transactionJson = {
-           coinType: dcent.coinType.COSMOS,
-           sigHash: '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',
-           path: `m/44'/118'/0'/0/0`,
-           decimals: 6,
-           fee: '0.023',
-           symbol: 'ATOM',
-         }
-         var result  = await getCosmosSignedTransaction(transactionJson);
-       
-         set_command_name("getCosmosSignedTransaction")
-         resp_editor.load(result)
-       }
- 
-       async function getCoreumSignedTransaction_clicked() {
-         set_command_name("Processing...");
-         var transactionJson = {
-           coinType: dcent.coinType.COREUM,
-           sigHash: '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',
-           path: `m/44'/990'/0'/0/0`,
-           decimals: 6,
-           fee: '0.12',
-           symbol: 'CORE',
-         }
-         var result  = await getCosmosSignedTransaction(transactionJson);
-       
-         set_command_name("getCoreumSignedTransaction")
-         resp_editor.load(result)
-       }
+        set_command_name("Processing...");
+        var transactionJson = {
+          coinType: dcent.coinType.POLKADOT,
+          sigHash: '040000163a5ee36b1243ce5241c0a45010dd1717869e9918c040bf5d305be4a5af9e7a0b00407a10f35a003400a223000007000000e143f23803ac50e8f6f8e62695d1ce9e4e1d68aa36c1cd2cfd15340213f3423ee143f23803ac50e8f6f8e62695d1ce9e4e1d68aa36c1cd2cfd15340213f3423e',
+          path: `m/44'/354'/0'/0/0`,
+          decimals: 12,
+          fee: '0.00021',
+          symbol: 'DOT',
+        }
+        var result  = await getPolkadotSignedTransaction(transactionJson);
+      
+        set_command_name("getPolkadotSignedTransaction")
+        resp_editor.load(result)
+      }
 
+      async function getCosmosSignedTransaction_clicked() {
+        set_command_name("Processing...");
+        var transactionJson = {
+          coinType: dcent.coinType.COSMOS,
+          sigHash: '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',
+          path: `m/44'/118'/0'/0/0`,
+          decimals: 6,
+          fee: '0.023',
+          symbol: 'ATOM',
+        }
+        var result  = await getCosmosSignedTransaction(transactionJson);
+      
+        set_command_name("getCosmosSignedTransaction")
+        resp_editor.load(result)
+      }
+
+      async function getCoreumSignedTransaction_clicked() {
+        set_command_name("Processing...");
+        var transactionJson = {
+          coinType: dcent.coinType.COREUM,
+          sigHash: '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',
+          path: `m/44'/990'/0'/0/0`,
+          decimals: 6,
+          fee: '0.12',
+          symbol: 'CORE',
+        }
+        var result  = await getCosmosSignedTransaction(transactionJson);
+      
+        set_command_name("getCoreumSignedTransaction")
+        resp_editor.load(result)
+      }
+
+      async function getParachainSignedTransaction_clicked() {
+        set_command_name("Processing...");
+        var transactionJson = {
+          coinType: dcent.coinType.PARA,
+          sigHash: '1f03003ec746fb0d6d9d66245d6dc6c02d23b1b290821d8674865f96c03ef86d9d690d025a62020917000042000000020000009eb76c5184c4ab8679d2d5d819fdf90b9c001403e9e17da2e14b6d8aec4029c6b3436f97b6760bddf33e816da9c746b0cf17a80307f7a8485732044c8c20284d',
+          path: `m/44'/810'/0'/0/0`,
+          decimals: 18,
+          fee: '0.038966870338267128',
+          symbol: 'ASTR',
+          RPCUrl: 'https://astar-rpc.dwellir.com',
+          feeSymbol: 'ASTR',
+          feeDecimals: 18,
+        }
+        var result  = await getParachainSignedTransaction(transactionJson);
+      
+        set_command_name("getParachainSignedTransaction")
+        resp_editor.load(result)
+      }
+
+      async function getParachainXc20SignedTransaction_clicked() {
+        set_command_name("Processing...");
+        var transactionJson = {
+          coinType: dcent.coinType.PARA_XC20,
+          sigHash: '240817030000000000000001003ec746fb0d6d9d66245d6dc6c02d23b1b290821d8674865f96c03ef86d9d690d1733c42f5578e4495b038923000048000000020000009eb76c5184c4ab8679d2d5d819fdf90b9c001403e9e17da2e14b6d8aec4029c697111d520df41d8ff1801aa6532c0c3b80ff986adf37476846b0e7e09993b7af',
+          path: `m/44'/810'/0'/0/0`,
+          decimals: 18,
+          fee: '0.049131930863795561',
+          symbol: 'GLMR',
+          RPCUrl: 'https://astar-rpc.dwellir.com',
+          feeSymbol: 'ASTR',
+          feeDecimals: 18,
+        }
+        var result  = await getParachainSignedTransaction(transactionJson);
+      
+        set_command_name("getParachainXc20SignedTransaction")
+        resp_editor.load(result)
+      }
 
       /////// DCENT WEB-SDK call
 
@@ -1199,10 +1253,10 @@ <h5 class="card-title">Response</h5>
         return result 
       }
 
-      async function getAddress(coinType, key) {
+      async function getAddress(coinType, key, optionParam) {
         var result 
         try { 
-          result = await dcent.getAddress(coinType, key)
+          result = await dcent.getAddress(coinType, key, optionParam)
         } catch (e) {
           result = e
         }
@@ -1392,26 +1446,35 @@ <h5 class="card-title">Response</h5>
         return result 
       }
 
-       async function getPolkadotSignedTransaction(transaction) {
-         var result 
-         try { 
-           result = await dcent.getPolkadotSignedTransaction(transaction)      
-         } catch (e) {
-           result = e
-         }
-         return result 
-       }
- 
-       async function getCosmosSignedTransaction(transaction) {
-         var result 
-         try { 
-           result = await dcent.getCosmosSignedTransaction(transaction)      
-         } catch (e) {
-           result = e
-         }
-         return result 
-       }
- 
+      async function getPolkadotSignedTransaction(transaction) {
+        var result 
+        try { 
+          result = await dcent.getPolkadotSignedTransaction(transaction)      
+        } catch (e) {
+          result = e
+        }
+        return result 
+      }
+
+      async function getCosmosSignedTransaction(transaction) {
+        var result 
+        try { 
+          result = await dcent.getCosmosSignedTransaction(transaction)
+        } catch (e) {
+          result = e
+        }
+        return result 
+      }
+
+      async function getParachainSignedTransaction(transaction) {
+        var result 
+        try { 
+          result = await dcent.getParachainSignedTransaction(transaction)
+        } catch (e) {
+          result = e
+        }
+        return result 
+      }
 
     </script>
 
diff --git a/info/supported_union_info.json b/info/supported_union_info.json
index c4bbbc7..96430e6 100644
--- a/info/supported_union_info.json
+++ b/info/supported_union_info.json
@@ -86,5 +86,21 @@
     {
         "name": "algo-app-test",
         "supportVersion": "2.29.1"
+    },
+    {
+        "name": "para",
+        "supportVersion": "2.30.0"
+    },
+    {
+        "name": "para-testnet",
+        "supportVersion": "2.30.0"
+    },
+    {
+        "name": "para-xc20",
+        "supportVersion": "2.30.0"
+    },
+    {
+        "name": "para-xc20-tesetnet",
+        "supportVersion": "2.30.0"
     }
 ]
\ No newline at end of file
diff --git a/src/index.js b/src/index.js
index ecd5ae7..e0c83bf 100644
--- a/src/index.js
+++ b/src/index.js
@@ -516,7 +516,8 @@ const _contractNotStartWith0x = (coinGroup) => {
       coinGroup === dcentCoinGroup.XRC20.toLowerCase() || coinGroup === dcentCoinGroup.XRC20_APOTHEM.toLowerCase() ||
       coinGroup === dcentCoinGroup.HTS_TESTNET.toLowerCase() || coinGroup === dcentCoinGroup.HEDERA_HTS.toLowerCase() ||
       coinGroup === dcentCoinGroup.ALGORAND_ASSET.toLowerCase() || coinGroup === dcentCoinGroup.ALGORAND_ASSET_TESTNET.toLowerCase() ||
-      coinGroup === dcentCoinGroup.ALGORAND_APP.toLowerCase() || coinGroup === dcentCoinGroup.ALGORAND_APP_TESTNET.toLowerCase()
+      coinGroup === dcentCoinGroup.ALGORAND_APP.toLowerCase() || coinGroup === dcentCoinGroup.ALGORAND_APP_TESTNET.toLowerCase() ||
+      coinGroup === dcentCoinGroup.PARA_XC20.toLowerCase() || coinGroup === dcentCoinGroup.PARA_XC20_TESTNET.toLowerCase()
       ) {
           return true
   }
@@ -596,6 +597,10 @@ function isAvaliableCoinType (coinType) {
     case dcentCoinType.ALGORAND_ASSET_TESTNET.toLowerCase():
     case dcentCoinType.ALGORAND_APP.toLowerCase():
     case dcentCoinType.ALGORAND_APP_TESTNET.toLowerCase():
+    case dcentCoinType.PARA.toLowerCase():
+    case dcentCoinType.PARA_TESTNET.toLowerCase():
+    case dcentCoinType.PARA_XC20.toLowerCase():
+    case dcentCoinType.PARA_XC20_TESTNET.toLowerCase():
       return true
     default:
       return false
@@ -625,6 +630,8 @@ function isTokenType (coinGroup) {
     case dcentCoinType.ALGORAND_ASSET_TESTNET.toLowerCase():
     case dcentCoinType.ALGORAND_APP.toLowerCase():
     case dcentCoinType.ALGORAND_APP_TESTNET.toLowerCase():
+    case dcentCoinGroup.PARA_XC20.toLowerCase():
+    case dcentCoinGroup.PARA_XC20_TESTNET.toLowerCase():
       return true
     default:
       return false
@@ -642,7 +649,7 @@ function isBitcoinTxCoinType (coinType) {
       return false
   }
 }
-   
+
 function isCzoneCoinType (coinType) {
   switch (coinType.toLowerCase()) {
     case dcentCoinType.COREUM.toLowerCase():
@@ -652,6 +659,21 @@ function isCzoneCoinType (coinType) {
   }
 }
 
+function isParachainCoinType (coinType) {
+  if (!coinType) {
+    return false
+  }
+  switch (coinType.toLowerCase()) {
+    case dcentCoinType.PARA.toLowerCase():
+    case dcentCoinType.PARA_TESTNET.toLowerCase():
+    case dcentCoinType.PARA_XC20.toLowerCase():
+    case dcentCoinType.PARA_XC20_TESTNET.toLowerCase():
+      return true
+    default:
+      return false
+  }
+}
+
 function getCzonePrifix (coinType) {
   switch (coinType.toLowerCase()) {
     case dcentCoinType.COREUM.toLowerCase():
@@ -752,7 +774,7 @@ dcent.selectAddress = async function (addresses) {
  * @param {string} path string value of key path to get address
  * @returns {Object} address.
  */
-dcent.getAddress = async function (coinType, path) {
+dcent.getAddress = async function (coinType, path, optionParam = null) {
 
   if (!isAvaliableCoinType(coinType)) {
     throw dcent.dcentException('coin_type_error', 'not supported coin type')
@@ -765,8 +787,15 @@ dcent.getAddress = async function (coinType, path) {
 
   if (isCzoneCoinType(coinType)) {
     params.optionParam = getCzonePrifix(coinType)
-} 
-   
+  }
+
+  if (isParachainCoinType(coinType)) {
+    if (!Number(optionParam)) {
+      throw dcent.dcentException('param_error', 'Invaild Parameter')
+    }
+    params.optionParam = Number(optionParam)
+  }
+
   const res = await dcent.call({
     method: 'getAddress',
     params
@@ -1425,7 +1454,7 @@ dcent.getPolkadotSignedTransaction = async function ({
     params
   })
 }
- 
+
 dcent.getCosmosSignedTransaction = async function ({
   coinType,
   sigHash,
@@ -1491,6 +1520,38 @@ dcent.getAlgorandSignedTransaction = async function ({
   })
 }
 
+dcent.getParachainSignedTransaction = async function ({
+  coinType,
+  sigHash,
+  fee,
+  decimals,
+  nonce,
+  path,
+  symbol,
+  RPCUrl,
+  feeSymbol,
+  feeDecimals,
+  optionParam,
+}) {
+  const params = {
+    coinType,
+    sig_hash: sigHash,
+    fee: UnitConverter(fee, feeDecimals).bignum.toString(16).padStart(16, '0'),
+    decimals,
+    path,
+    symbol,
+    RPCUrl,
+    feeSymbol,
+    feeDecimals,
+  }
+  if (nonce) params.nonce = nonce
+  if (optionParam) params.optionParam = optionParam
+  return await dcent.call({
+    method: 'getUnionSignedTransaction',
+    params
+  })
+}
+
 dcent.state = dcentState
 dcent.coinType = dcentCoinType
 dcent.coinGroup = dcentCoinGroup
diff --git a/src/native/request-method.js b/src/native/request-method.js
index d902e3a..9c43288 100644
--- a/src/native/request-method.js
+++ b/src/native/request-method.js
@@ -28,6 +28,7 @@ module.exports = {
     GET_POLKADOT_SIGN_TX: 'getPolkadotSignedTransaction',
     GET_COSMOS_SIGN_TX: 'getCosmosSignedTransaction',
     GET_ALGORAND_SIGN_TX: 'getAlgorandSignedTransaction',
+    GET_PARA_SIGN_TX: 'getParachainSignedTransaction',
 }
 
 /* //////////////////////////////////////////////////////////////////////// */
diff --git a/src/type/dcent-web-type.js b/src/type/dcent-web-type.js
index c5908e4..9f7aefd 100644
--- a/src/type/dcent-web-type.js
+++ b/src/type/dcent-web-type.js
@@ -55,6 +55,10 @@ const coinType = {
   ALGORAND_ASSET_TESTNET: 'algo-asset-test',
   ALGORAND_APP: 'algo-app',
   ALGORAND_APP_TESTNET: 'algo-app-test',
+  PARA: 'para',
+  PARA_TESTNET: 'para-testnet',
+  PARA_XC20: 'para-xc20',
+  PARA_XC20_TESTNET: 'para-xc20-testnet',
 }
 
 const coinGroup = {
@@ -112,6 +116,10 @@ const coinGroup = {
   ALGORAND_ASSET_TESTNET: 'ALGO-ASSET-TEST',
   ALGORAND_APP: 'ALGO-APP',
   ALGORAND_APP_TESTNET: 'ALGO-APP-TEST',
+  PARA: 'PARA',
+  PARA_TESTNET: 'PARAT',
+  PARA_XC20: 'XC20',
+  PARA_XC20_TESTNET: 'XC20T',
 }
 
 const coinName = {
@@ -169,6 +177,10 @@ const coinName = {
   ALGORAND_ASSET_TESTNET: 'ALGO-ASSET-TEST',
   ALGORAND_APP: 'ALGO-APP',
   ALGORAND_APP_TESTNET: 'ALGO-APP-TEST',
+  PARA: 'PARA',
+  PARA_TESTNET: 'PARAT',
+  PARA_XC20: 'XC20',
+  PARA_XC20_TESTNET: 'XC20T',
 }
 
 const bitcoinTxType = {
diff --git a/tests/unit/1_bridge_test/20_coin.algorand.sign.spec.js b/tests/unit/1_bridge_test/20_coin.algorand.sign.spec.js
index 9c2f8ae..a1f789f 100644
--- a/tests/unit/1_bridge_test/20_coin.algorand.sign.spec.js
+++ b/tests/unit/1_bridge_test/20_coin.algorand.sign.spec.js
@@ -71,7 +71,7 @@ describe('[dcent-web-connector] Bridge - init', () => {
         }
         var response = await page.evaluate((transactionJson) => {
             // eslint-disable-next-line no-undef
-            return getHavahSignedTransaction(transactionJson)
+            return getAlgoSignedTransaction(transactionJson)
         }, transactionJson)
 
         var responseAddress = await page.evaluate(() => {
@@ -105,7 +105,7 @@ describe('[dcent-web-connector] Bridge - init', () => {
         }
         var response = await page.evaluate((transactionJson) => {
             // eslint-disable-next-line no-undef
-            return getHavahSignedTransaction(transactionJson)
+            return getAlgoSignedTransaction(transactionJson)
         }, transactionJson)
 
         var responseAddress = await page.evaluate(() => {
@@ -139,7 +139,7 @@ describe('[dcent-web-connector] Bridge - init', () => {
         }
         var response = await page.evaluate((transactionJson) => {
             // eslint-disable-next-line no-undef
-            return getHavahSignedTransaction(transactionJson)
+            return getAlgoSignedTransaction(transactionJson)
         }, transactionJson)
 
         var responseAddress = await page.evaluate(() => {
@@ -173,7 +173,7 @@ describe('[dcent-web-connector] Bridge - init', () => {
         }
         var response = await page.evaluate((transactionJson) => {
             // eslint-disable-next-line no-undef
-            return getHavahSignedTransaction(transactionJson)
+            return getAlgoSignedTransaction(transactionJson)
         }, transactionJson)
 
         var responseAddress = await page.evaluate(() => {
@@ -207,7 +207,7 @@ describe('[dcent-web-connector] Bridge - init', () => {
         }
         var response = await page.evaluate((transactionJson) => {
             // eslint-disable-next-line no-undef
-            return getHavahSignedTransaction(transactionJson)
+            return getAlgoSignedTransaction(transactionJson)
         }, transactionJson)
 
         var responseAddress = await page.evaluate(() => {
@@ -241,7 +241,7 @@ describe('[dcent-web-connector] Bridge - init', () => {
         }
         var response = await page.evaluate((transactionJson) => {
             // eslint-disable-next-line no-undef
-            return getHavahSignedTransaction(transactionJson)
+            return getAlgoSignedTransaction(transactionJson)
         }, transactionJson)
 
         var responseAddress = await page.evaluate(() => {
@@ -275,7 +275,7 @@ describe('[dcent-web-connector] Bridge - init', () => {
         }
         var response = await page.evaluate((transactionJson) => {
             // eslint-disable-next-line no-undef
-            return getHavahSignedTransaction(transactionJson)
+            return getAlgoSignedTransaction(transactionJson)
         }, transactionJson)
 
         var responseAddress = await page.evaluate(() => {

From 71e843c6e1712b392a6bd5064efded25a03ec863 Mon Sep 17 00:00:00 2001
From: AnHyoChul <hyochul.an@iotrust.kr>
Date: Thu, 7 Dec 2023 18:21:39 +0900
Subject: [PATCH 2/4] =?UTF-8?q?-=20readme=20=EC=88=98=EC=A0=95=20-=20polka?=
 =?UTF-8?q?dot=20api=20=ED=98=95=EC=8B=9D=EC=97=90=20=EB=A7=9E=EA=B2=8C=20?=
 =?UTF-8?q?signed=5Ftx=20=EA=B0=92=EC=9D=84=20=EB=B3=80=EA=B2=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 doc/index.md | 10 +++++-----
 src/index.js | 12 ++++++++----
 2 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/doc/index.md b/doc/index.md
index e9feb4f..18da8f8 100644
--- a/doc/index.md
+++ b/doc/index.md
@@ -503,18 +503,18 @@ The address string format is depend on the coin type.
 
 For some coin type(ex. TEZOS), include pubkey as a property of the response parameter.
 
-For ss58 addresses used by the Substrate ecosystems such as Astar, a parameter called optionParam is added.
-The value of optionParam is the prefix for each network defined in [ss58-registry](https://github.com/paritytech/ss58-registry).
+For ss58 addresses used by the Substrate ecosystems such as Astar, prefix is added.
+The value of prefix is the prefix for each network defined in [ss58-registry](https://github.com/paritytech/ss58-registry).
 
 ```js
 var coinType = DcentWebConnector.coinType.PARA
 var keyPath = "m/44'/810'/0'/0/0" // key path of the Astar's account
-var optionParam = 5 // The address prefix
+var prefix = 5 // The address prefix of Astar
 
 var result
 try{
     // Get the address corresponding to keyPath & prefix
-    result = await DcentWebConnector.getAddress(coinType, keyPath, optionParam)
+    result = await DcentWebConnector.getAddress(coinType, keyPath, prefix)
 }catch(e){
     result = e
 }
@@ -2069,7 +2069,7 @@ For broadcast the sign transaction, you must reconstruct transaction include `Tx
     "body": {
       "command": "transaction",
       "parameter": {
-        "signed_tx": "0x263b3ed036c74d15d875c7246abe73404c82763f3300316eb782cafdf5bd93f4f47f0fe34d823f9d07f8db7b2cb81051e58a1e58993c70888916c0ef6c3c910f"
+        "signed_tx": "0x00263b3ed036c74d15d875c7246abe73404c82763f3300316eb782cafdf5bd93f4f47f0fe34d823f9d07f8db7b2cb81051e58a1e58993c70888916c0ef6c3c910f"
       }
     }
   }
diff --git a/src/index.js b/src/index.js
index e0c83bf..c73f90a 100644
--- a/src/index.js
+++ b/src/index.js
@@ -774,7 +774,7 @@ dcent.selectAddress = async function (addresses) {
  * @param {string} path string value of key path to get address
  * @returns {Object} address.
  */
-dcent.getAddress = async function (coinType, path, optionParam = null) {
+dcent.getAddress = async function (coinType, path, prefix = null) {
 
   if (!isAvaliableCoinType(coinType)) {
     throw dcent.dcentException('coin_type_error', 'not supported coin type')
@@ -790,10 +790,10 @@ dcent.getAddress = async function (coinType, path, optionParam = null) {
   }
 
   if (isParachainCoinType(coinType)) {
-    if (!Number(optionParam)) {
+    if (!Number(prefix)) {
       throw dcent.dcentException('param_error', 'Invaild Parameter')
     }
-    params.optionParam = Number(optionParam)
+    params.optionParam = Number(prefix)
   }
 
   const res = await dcent.call({
@@ -1546,10 +1546,14 @@ dcent.getParachainSignedTransaction = async function ({
   }
   if (nonce) params.nonce = nonce
   if (optionParam) params.optionParam = optionParam
-  return await dcent.call({
+
+  const res = await dcent.call({
     method: 'getUnionSignedTransaction',
     params
   })
+
+  res.body.parameter.signed_tx = '0x00' + (res.body.parameter.signed_tx.startsWith('0x') ? res.body.parameter.signed_tx.substr(2) : res.body.parameter.signed_tx)
+  return res
 }
 
 dcent.state = dcentState

From 0d8c308970917ebe1be71f176114e4c8f1153738 Mon Sep 17 00:00:00 2001
From: AnHyoChul <hyochul.an@iotrust.kr>
Date: Thu, 7 Dec 2023 19:05:01 +0900
Subject: [PATCH 3/4] =?UTF-8?q?readme=EC=97=90=EC=84=9C=20=EA=B0=80?=
 =?UTF-8?q?=EC=9D=B4=EB=93=9C=ED=95=9C=20=EA=B2=83=EA=B3=BC=20=EB=8F=99?=
 =?UTF-8?q?=EC=9D=BC=ED=95=9C=20=EB=8D=B0=EC=9D=B4=ED=84=B0=20=ED=8F=AC?=
 =?UTF-8?q?=EB=A7=B7=EC=9C=BC=EB=A1=9C=20=ED=85=8C=EC=8A=A4=ED=8A=B8=20?=
 =?UTF-8?q?=EC=A7=84=ED=96=89=ED=95=98=EA=B8=B0=20=EC=9C=84=ED=95=B4=20hex?=
 =?UTF-8?q?=20string=EC=97=90=200x=EB=A5=BC=20=EB=B6=99=EC=9E=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 index.html | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/index.html b/index.html
index 5021a80..e26a036 100644
--- a/index.html
+++ b/index.html
@@ -1137,7 +1137,7 @@ <h5 class="card-title">Response</h5>
         set_command_name("Processing...");
         var transactionJson = {
           coinType: dcent.coinType.PARA,
-          sigHash: '1f03003ec746fb0d6d9d66245d6dc6c02d23b1b290821d8674865f96c03ef86d9d690d025a62020917000042000000020000009eb76c5184c4ab8679d2d5d819fdf90b9c001403e9e17da2e14b6d8aec4029c6b3436f97b6760bddf33e816da9c746b0cf17a80307f7a8485732044c8c20284d',
+          sigHash: '0x1f03003ec746fb0d6d9d66245d6dc6c02d23b1b290821d8674865f96c03ef86d9d690d025a62020917000042000000020000009eb76c5184c4ab8679d2d5d819fdf90b9c001403e9e17da2e14b6d8aec4029c6b3436f97b6760bddf33e816da9c746b0cf17a80307f7a8485732044c8c20284d',
           path: `m/44'/810'/0'/0/0`,
           decimals: 18,
           fee: '0.038966870338267128',
@@ -1156,7 +1156,7 @@ <h5 class="card-title">Response</h5>
         set_command_name("Processing...");
         var transactionJson = {
           coinType: dcent.coinType.PARA_XC20,
-          sigHash: '240817030000000000000001003ec746fb0d6d9d66245d6dc6c02d23b1b290821d8674865f96c03ef86d9d690d1733c42f5578e4495b038923000048000000020000009eb76c5184c4ab8679d2d5d819fdf90b9c001403e9e17da2e14b6d8aec4029c697111d520df41d8ff1801aa6532c0c3b80ff986adf37476846b0e7e09993b7af',
+          sigHash: '0x240817030000000000000001003ec746fb0d6d9d66245d6dc6c02d23b1b290821d8674865f96c03ef86d9d690d1733c42f5578e4495b038923000048000000020000009eb76c5184c4ab8679d2d5d819fdf90b9c001403e9e17da2e14b6d8aec4029c697111d520df41d8ff1801aa6532c0c3b80ff986adf37476846b0e7e09993b7af',
           path: `m/44'/810'/0'/0/0`,
           decimals: 18,
           fee: '0.049131930863795561',

From 5dee02f49bb5c63f2312e9e845be82573530dd71 Mon Sep 17 00:00:00 2001
From: AnHyoChul <hyochul.an@iotrust.kr>
Date: Wed, 13 Dec 2023 12:26:29 +0900
Subject: [PATCH 4/4] =?UTF-8?q?Astar=20EVM=20getAddress=20=EB=B0=8F=20getS?=
 =?UTF-8?q?ignedTransaction=20=EC=B6=94=EA=B0=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 doc/index.md                   | 12 ++++--
 index.html                     | 68 ++++++++++++++++++++++++++++++----
 info/supported_union_info.json |  8 ++--
 src/index.js                   |  4 +-
 4 files changed, 76 insertions(+), 16 deletions(-)

diff --git a/doc/index.md b/doc/index.md
index 18da8f8..2c8d1a3 100644
--- a/doc/index.md
+++ b/doc/index.md
@@ -22,9 +22,10 @@
 | v0.12.1     | 2023. 05. 03 | add support coin group for syncAccount                     |
 | v0.13.0     | 2023. 05. 16 | add Tezos & Vechain & Near & Havah transaction function    |
 | v0.13.1     | 2023. 05. 17 | Fixed fee display issue                                    |
-| v0.14.0     | 2023. 05. 25 | add Polkadot & Comsmos & Coreum & Near Token              |
-| v0.14.1     | 2023. 05. 25 | Fix Polkadot decimals                                    |
+| v0.14.0     | 2023. 05. 25 | add Polkadot & Comsmos & Coreum & Near Token               |
+| v0.14.1     | 2023. 05. 25 | Fix Polkadot decimals                                      |
 | v0.14.2     | 2023. 11. 20 | add Algorand transaction function                          |
+| v0.14.3     | 2023. 12. 13 | add Parachain(Astar) transaction function                  |
 
 ## 1. INTRODUCTION
 
@@ -520,6 +521,8 @@ try{
 }
 ```
 
+Please note that `Astar EVM` features an EVM (Ethereum Virtual Machine) compatible runtime environment, so it is the same as getting the address of ETHEREUM account.
+
 Returned response object has:
 
 ```json
@@ -831,7 +834,6 @@ The D'CENT Web SDK provides functions for signing transaction of coins.
   - nonce
   - gasPrice
   - gasLimit
-  - value
   - key path for signing
   - chain ID
   - contract information :
@@ -2006,7 +2008,7 @@ For broadcast the sign transaction, you must reconstruct transaction include `Tx
 - Requirements:
 
   - `D'CENT Bridge` version 1.5.3 or higher is required.
-  - D'CENT Biometric Wallet version 2.30.0 or higher is required.
+  - D'CENT Biometric Wallet version 2.30.1 or higher is required.
 - Useage:
 
   ```js
@@ -2075,4 +2077,6 @@ For broadcast the sign transaction, you must reconstruct transaction include `Tx
   }
   ```
 
+  Please note that for `Astar EVM` transactions, you can use the getEthereumSignedTransaction() and getTokenSignedTransaction() methods with the chain ID set to 592.
+
 Please Refer to the `index.html` to learn more about how to use the SDK APIs. There is an Web project using our Web SDK.
diff --git a/index.html b/index.html
index e26a036..3740d2c 100644
--- a/index.html
+++ b/index.html
@@ -111,9 +111,12 @@ <h5 class="card-title">Response</h5>
         <button id="getPolkadotSignedTransaction" type="button" class="btn btn-primary">getPolkadotSignedTransaction</button>
         <button id="getCosmosSignedTransaction" type="button" class="btn btn-primary">getCosmosSignedTransaction</button>
         <button id="getCoreumSignedTransaction" type="button" class="btn btn-primary">getCosmosSignedTransaction - for coreum</button>
+        <br />
+
         <button id="getParachainSignedTransaction" type="button" class="btn btn-primary">getParachainSignedTransaction - for Astar</button>
         <button id="getParachainXc20SignedTransaction" type="button" class="btn btn-primary">getParachainXc20SignedTransaction - for Astar</button>
-        
+        <button id="getEthereumSignedTransactionForAstarEVM" type="button" class="btn btn-primary">getEthereumSignedTransaction - for Astar EVM</button>
+        <button id="getTokenSignedTransactionForAstarEVM" type="button" class="btn btn-primary">getTokenSignedTransaction - for Astar EVM</button>
         <br /><br />
 
         <button id="get_address_bitcoin" type="button" class="btn btn-primary">Get Bitcoin
@@ -173,6 +176,9 @@ <h5 class="card-title">Response</h5>
         <button id="get_address_parachain" type="button" class="btn btn-primary">Get Parachain(Astar) Mainnet
           Address("m/44'/810'/0'/0/0")</button>
         <br />
+        <button id="get_address_astarevm" type="button" class="btn btn-primary">Get Astar EVM Mainnet
+          Address("m/44'/60'/0'/0/0")</button>
+        <br />
 
       </div>
     </div>
@@ -243,6 +249,7 @@ <h5 class="card-title">Response</h5>
         $('#get_address_cosmos').click(get_address_cosmos_clicked);
         $('#get_address_coreum').click(get_address_coreum_clicked);
         $('#get_address_parachain').click(get_address_parachain_clicked);
+        $('#get_address_astarevm').click(get_address_astarevm_clicked);
 
         $('#getBitcoinSignedTransaction').click(getBitcoinSignedTransaction_clicked);
         
@@ -285,6 +292,8 @@ <h5 class="card-title">Response</h5>
         $('#getCoreumSignedTransaction').click(getCoreumSignedTransaction_clicked);
         $('#getParachainSignedTransaction').click(getParachainSignedTransaction_clicked);
         $('#getParachainXc20SignedTransaction').click(getParachainXc20SignedTransaction_clicked);
+        $('#getEthereumSignedTransactionForAstarEVM').click(getEthereumSignedTransactionForAstarEVM_clicked);
+        $('#getTokenSignedTransactionForAstarEVM').click(getTokenSignedTransactionForAstarEVM_clicked);
       });
 
       async function info_clicked() {
@@ -523,6 +532,13 @@ <h5 class="card-title">Response</h5>
         resp_editor.load(result)
       }
 
+      async function get_address_astarevm_clicked() {
+        set_command_name("Processing...");
+        var result = await getAddress(dcent.coinType.ETHEREUM, "m/44'/60'/0'/0/0")
+
+        set_command_name("get_address for Astar EVM")        
+        resp_editor.load(result)
+      }
 
 
       async function getBitcoinSignedTransaction_clicked() {
@@ -1134,7 +1150,8 @@ <h5 class="card-title">Response</h5>
       }
 
       async function getParachainSignedTransaction_clicked() {
-        set_command_name("Processing...");
+        set_command_name("Processing...")
+
         var transactionJson = {
           coinType: dcent.coinType.PARA,
           sigHash: '0x1f03003ec746fb0d6d9d66245d6dc6c02d23b1b290821d8674865f96c03ef86d9d690d025a62020917000042000000020000009eb76c5184c4ab8679d2d5d819fdf90b9c001403e9e17da2e14b6d8aec4029c6b3436f97b6760bddf33e816da9c746b0cf17a80307f7a8485732044c8c20284d',
@@ -1146,14 +1163,15 @@ <h5 class="card-title">Response</h5>
           feeSymbol: 'ASTR',
           feeDecimals: 18,
         }
-        var result  = await getParachainSignedTransaction(transactionJson);
-      
+        var result  = await getParachainSignedTransaction(transactionJson)
+
         set_command_name("getParachainSignedTransaction")
         resp_editor.load(result)
       }
 
       async function getParachainXc20SignedTransaction_clicked() {
-        set_command_name("Processing...");
+        set_command_name("Processing...")
+
         var transactionJson = {
           coinType: dcent.coinType.PARA_XC20,
           sigHash: '0x240817030000000000000001003ec746fb0d6d9d66245d6dc6c02d23b1b290821d8674865f96c03ef86d9d690d1733c42f5578e4495b038923000048000000020000009eb76c5184c4ab8679d2d5d819fdf90b9c001403e9e17da2e14b6d8aec4029c697111d520df41d8ff1801aa6532c0c3b80ff986adf37476846b0e7e09993b7af',
@@ -1165,12 +1183,48 @@ <h5 class="card-title">Response</h5>
           feeSymbol: 'ASTR',
           feeDecimals: 18,
         }
-        var result  = await getParachainSignedTransaction(transactionJson);
-      
+        var result  = await getParachainSignedTransaction(transactionJson)
+
         set_command_name("getParachainXc20SignedTransaction")
         resp_editor.load(result)
       }
 
+      async function getEthereumSignedTransactionForAstarEVM_clicked() {
+        set_command_name("Processing...")
+
+        var result  = await getEthereumSignedTransaction(
+          dcent.coinType.ETHEREUM,
+          '8',
+          '2400000000',
+          '210000',
+          '0x354609C4c9a15d4265cF6D94010568D5Cf4d0c1B',
+          '100000000000000000',
+          '0x',
+          "m/44'/60'/0'/0/0",
+          592,
+        )
+
+        set_command_name("getEthereumSignedTransaction for Astar EVM")
+        resp_editor.load(result)
+      }
+
+      async function getTokenSignedTransactionForAstarEVM_clicked() {
+        set_command_name("Processing...")
+
+        var contract = {
+          name: 'Wrapped Astar',
+          address: '0xAeaaf0e2c81Af264101B9129C00F4440cCF0F720',
+          to: '0x354609C4c9a15d4265cF6D94010568D5Cf4d0c1B',
+          decimals: 18,
+          value: '100000000000000000',
+          symbol: 'WASTR',
+        }
+        var result = await getTokenSignedTransaction( dcent.coinType.ERC20, '21', '2400000000', '1000000', "m/44'/60'/0'/0/0", 592, contract )
+
+        set_command_name("getTokenSignedTransaction for Astar EVM")
+        resp_editor.load(result)
+      }
+
       /////// DCENT WEB-SDK call
 
       async function info() {        
diff --git a/info/supported_union_info.json b/info/supported_union_info.json
index 96430e6..fc2da58 100644
--- a/info/supported_union_info.json
+++ b/info/supported_union_info.json
@@ -89,18 +89,18 @@
     },
     {
         "name": "para",
-        "supportVersion": "2.30.0"
+        "supportVersion": "2.30.1"
     },
     {
         "name": "para-testnet",
-        "supportVersion": "2.30.0"
+        "supportVersion": "2.30.1"
     },
     {
         "name": "para-xc20",
-        "supportVersion": "2.30.0"
+        "supportVersion": "2.30.1"
     },
     {
         "name": "para-xc20-tesetnet",
-        "supportVersion": "2.30.0"
+        "supportVersion": "2.30.1"
     }
 ]
\ No newline at end of file
diff --git a/src/index.js b/src/index.js
index c73f90a..5283ce9 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1552,7 +1552,9 @@ dcent.getParachainSignedTransaction = async function ({
     params
   })
 
-  res.body.parameter.signed_tx = '0x00' + (res.body.parameter.signed_tx.startsWith('0x') ? res.body.parameter.signed_tx.substr(2) : res.body.parameter.signed_tx)
+  if (res.header.status === 'success') {
+    res.body.parameter.signed_tx = '0x00' + (res.body.parameter.signed_tx.startsWith('0x') ? res.body.parameter.signed_tx.substr(2) : res.body.parameter.signed_tx)
+  }
   return res
 }