New XC Asset Registration Process

.snippets/code/builders/interoperability/xcm/xc-registration/assets/calculate-relative-price.ts

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+import axios from 'axios';
+
+// CoinGecko IDs for the networks
+const NETWORK_IDS = {
+  GLMR: 'moonbeam',
+  MOVR: 'moonriver',
+};
+
+async function calculateRelativePrice(
+  assetPrice: number,
+  assetDecimals: number,
+  network: 'GLMR' | 'MOVR'
+): Promise<bigint> {
+  try {
+    // Fetch the native token price from CoinGecko
+    const response = await axios.get(
+      `https://api.coingecko.com/api/v3/simple/price?ids=${NETWORK_IDS[network]}&vs_currencies=usd`
+    );
+
+    const nativeTokenPrice = response.data[NETWORK_IDS[network]].usd;
+
+    // Calculate relative price with 18 decimal places
+    // Formula: (assetPrice / nativeTokenPrice) * 10^18
+    // This gives us how many units of the asset we need to equal 1 unit of native token
+    const relativePrice = BigInt(
+      0.175 *
+        Math.pow(10, 18 - assetDecimals) *
+        (assetPrice / nativeTokenPrice) *
+        Math.pow(10, 18)
+    );
+
+    // Return as string to preserve precision
+    return relativePrice;
+  } catch (error) {
+    if (error instanceof Error) {
+      throw new Error(`Failed to calculate relative price: ${error.message}`);
+    }
+    throw error;
+  }
+}
+
+function validateInput(
+  price: string,
+  decimals: string,
+  network: string
+): { assetPrice: number; assetDecimals: number; network: 'GLMR' | 'MOVR' } {
+  // Validate price
+  const assetPrice = parseFloat(price);
+  if (isNaN(assetPrice) || assetPrice <= 0) {
+    throw new Error('Price must be a positive number');
+  }
+
+  // Validate decimals
+  const assetDecimals = parseFloat(decimals);
+  if (isNaN(assetDecimals) || assetDecimals <= 0) {
+    throw new Error('Decimals must be a positive number');
+  }
+
+  // Validate network
+  const upperNetwork = network.toUpperCase() as 'GLMR' | 'MOVR';
+  if (!['GLMR', 'MOVR'].includes(upperNetwork)) {
+    throw new Error('Network must be either GLMR or MOVR');
+  }
+
+  return { assetPrice, assetDecimals, network: upperNetwork };
+}
+
+function printUsage() {
+  console.log('\nUsage:');
+  console.log(
+    'npx ts-node calculate-relative-price.ts <price> <decimals> <network>'
+  );
+  console.log('\nExample:');
+  console.log('npx ts-node calculate-relative-price.ts 0.25 12 GLMR');
+  console.log('\nParameters:');
+  console.log('price      - The price of your asset in USD');
+  console.log('decimals   - The decimals of your asset');
+  console.log('network    - Either GLMR or MOVR');
+}
+
+async function main() {
+  try {
+    // Get command line arguments
+    const [, , price, decimals, network] = process.argv;
+
+    // Check if help flag is passed
+    if (price === '--help' || price === '-h') {
+      printUsage();
+      return;
+    }
+
+    // Check if required arguments are provided
+    if (!price || !decimals || !network) {
+      console.error('Error: Missing required arguments');
+      printUsage();
+      process.exit(1);
+    }
+
+    // Validate inputs
+    const {
+      assetPrice,
+      assetDecimals,
+      network: validNetwork,
+    } = validateInput(price, decimals, network);
+
+    console.log(
+      `\nCalculating relative price for asset worth $${assetPrice} against ${validNetwork}...`
+    );
+    const relativePrice = await calculateRelativePrice(
+      assetPrice,
+      assetDecimals,
+      validNetwork
+    );
+    const nativeTokenPrice = (
+      await axios.get(
+        `https://api.coingecko.com/api/v3/simple/price?ids=${NETWORK_IDS[validNetwork]}&vs_currencies=usd`
+      )
+    ).data[NETWORK_IDS[validNetwork]].usd;
+
+    const decimalRatio = nativeTokenPrice / assetPrice;
+
+    console.log(`\nResults:`);
+    console.log(`Asset Price: $${assetPrice}`);
+    console.log(`Network: ${validNetwork}`);
+    console.log(`Native Token Price (from CoinGecko): $${nativeTokenPrice}`);
+    console.log(`\nRelative Price Analysis:`);
+    console.log(
+      `1 ${validNetwork} is equal to approximately ${decimalRatio.toFixed(
+        3
+      )} of your specified token.`
+    );
+    console.log(
+      `With 18 decimals, 1 ${validNetwork} or in WEI, 1000000000000000000 is equal to a relative price of ${relativePrice} units of your token`
+    );
+    console.log(`\nRelative Price: ${relativePrice}`);
+    console.log(
+      `\nThe relative price you should specify in asset registration steps is ${relativePrice}\n`
+    );
+  } catch (error) {
+    console.error('\nError:', error instanceof Error ? error.message : error);
+    process.exit(1);
+  }
+}
+
+main();

.snippets/code/builders/interoperability/xcm/xc-registration/assets/terminal/calculate-relative-price.md

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+<div id="termynal" data-termynal>
+    <span data-ty="input"><span class="file-path"></span>yarn calculate-relative-price 0.04901 12 GLMR</span>
+    <span data-ty></span>
+    <span data-ty>Calculating relative price for asset worth $0.04901 against GLMR...</span>
+    <span data-ty></span>
+    <span data-ty>Results:</span>
+    <span data-ty>Asset Price: $0.04901</span>
+    <span data-ty>Network: GLMR</span>
+    <span data-ty>Native Token Price (from CoinGecko): $0.126009</span>
+    <span data-ty></span>
+    <span data-ty>Relative Price Analysis:</span>
+    <span data-ty>1 GLMR is equal to approximately 2.571 of your specified token.</span>
+    <span data-ty>With 18 decimals, 1 GLMR (in WEI: 1000000000000000000) is equal to 68064582688538114392064 units of your token.</span>
+    <span data-ty></span>
+    <span data-ty>Relative Price: 68064582688538114392064</span>
+    <span data-ty></span>
+    <span data-ty>The relative price you should specify in asset registration steps is 68064582688538114392064</span>
+</div>

.snippets/code/builders/interoperability/xcm/xc-registration/assets/terminal/register-asset.md

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+<div id="termynal" data-termynal>
+    <span data-ty><span class="file-path"></span>yarn register-asset --w wss://wss.api.moonbeam.network  \</span>
+    <span data-ty>--asset '{ "parents": 1, "interior": {"X1": [{ "Parachain": 3370}]}}' \</span>
+    <span data-ty>--symbol "xcLAOS" \</span>
+    <span data-ty>--decimals 18 \</span>
+    <span data-ty>--name "LAOS" \</span>
+    <span data-ty>--relative-price 68064582688538114392064</span>
+    <span data-ty>yarn run v1.22.22</span>
+    <span data-ty>warning ../../../package.json: No license field</span>
+    <span data-ty>$ ts-node 'scripts/xcm-asset-registrator.ts' --w wss://wss.api.moonbeam.network --asset '{ "parents": 1, "interior": {"X1": [{ "Parachain": 3370}]}}' --symbol xcLAOS --decimals 18 --name LAOS --relative-price 68064582688538114392064</span>
+    <span data-ty>XCM Version is V4</span>
+    <span data-ty>Encoded Call Data for registerAsset is 0x72008835e1b9f588de47ec5e4a828e4e70dd010100a934121878634c414f53104c414f53</span>
+    <span data-ty>Encoded Call Data for Set Relative Price is 0x7300010100a9340000805c9cf5d5c9690e000000000000</span>
+    <span data-ty>Encoded Call Data for batched is 0x1e000872008835e1b9f588de47ec5e4a828e4e70dd010100a934121878634c414f53104c414f537300010100a9340000805c9cf5d5c9690e000000000000</span>
+    <span data-ty>✨  Done in 5.20s.</span>
+</div>

.snippets/code/builders/interoperability/xcm/xc-registration/assets/weight-trader.js

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+import { ApiPromise, WsProvider } from '@polkadot/api';
+import { encodeAddress } from '@polkadot/util-crypto';
+import { u8aToHex } from '@polkadot/util';
+
+async function getEncodedCallData() {
+  // Connect to Moonbase Alpha
+  const provider = new WsProvider('wss://moonbase-alpha.public.blastapi.io');
+  const api = await ApiPromise.create({ provider });
+
+  // Corrected XCM V4 Multilocation structure
+  const xcmLocation = {
+    parents: 1,
+    interior: {
+      X1: [{ Parachain: 888 }],
+    },
+  };
+
+  // Relative price as u128
+  const relativePrice = 'INSERT_RELATIVE_PRICE'; // Insert value generated 
+  // from the relative price script e.g. 1299476000000000000
+
+  try {
+    // Create the call
+    const call = api.tx.xcmWeightTrader.addAsset(xcmLocation, relativePrice);
+
+    // Get the encoded call data
+    const encodedData = call.method.toHex();
+    console.log('Encoded Call Data:', encodedData);
+
+    await api.disconnect();
+    return encodedData;
+  } catch (error) {
+    console.error('Error details:', error);
+    console.error(
+      'Attempted XCM Location:',
+      JSON.stringify(xcmLocation, null, 2)
+    );
+    await api.disconnect();
+    throw error;
+  }
+}
+
+// Execute the function
+getEncodedCallData()
+  .catch(console.error)
+  .finally(() => process.exit());

.snippets/code/builders/interoperability/xcm/xc-registration/integration/terminal/accept.md

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+<div id="termynal" data-termynal>
+    <span data-ty><span class="file-path"></span>yarn hrmp-manipulator --target-para-id 3370 \</span>
+    <span data-ty>--parachain-ws-provider wss://moonbeam.public.blastapi.io  \</span>
+    <span data-ty>--relay-ws-provider wss://polkadot-rpc.publicnode.com \</span>
+    <span data-ty>--hrmp-action accept</span>
+    <span data-ty>yarn run v1.22.22</span>
+    <span data-ty>warning ../../../package.json: No license field</span>
+    <span data-ty>$ ts-node 'scripts/hrmp-channel-manipulator.ts' --target-para-id 3370 --parachain-ws-provider wss://moonbeam.public.blastapi.io --relay-ws-provider wss://polkadot-rpc.publicnode.com --hrmp-action accept</span>
+    <span data-ty></span>
+    <span data-ty>Genesis hash is: 0x91b171bb158e2d3848fa23a9f1c25182fb8e20313b2c1eb49219da7a70ce90c3</span>
+    <span data-ty>Polkadot</span>
+    <span data-ty>FeeAmount is: 10000000000</span>
+    <span data-ty>XCM Version is V4</span>
+    <span data-ty>Encoded Call Data for Tx is 0x6b09012a0d0000010401000100e40b5402000000000000000000000002286bee020004000100</span>
+    <span data-ty>✨  Done in 4.39s.</span>
+</div>

.snippets/code/builders/interoperability/xcm/xc-registration/integration/terminal/propose.md

@@ -0,0 +1,17 @@
+<div id="termynal" data-termynal>
+    <span data-ty><span class="file-path"></span>yarn hrmp-manipulator --target-para-id 3370 \</span>
+    <span data-ty>--parachain-ws-provider wss://moonbeam.public.blastapi.io  \</span>
+    <span data-ty>--relay-ws-provider wss://polkadot-rpc.publicnode.com \</span>
+    <span data-ty>--max-capacity 1000 --max-message-size 102400 \</span>
+    <span data-ty>--hrmp-action open</span>
+    <span data-ty>yarn run v1.22.22</span>
+    <span data-ty>warning ../../../package.json: No license field</span>
+    <span data-ty>$ ts-node 'scripts/hrmp-channel-manipulator.ts' --target-para-id 3370 --parachain-ws-provider wss://moonbeam.public.blastapi.io --relay-ws-provider wss://polkadot-rpc.publicnode.com --max-capacity 1000 --max-message-size 102400 --hrmp-action open</span>
+    <span data-ty></span>
+    <span data-ty>Genesis hash is: 0x91b171bb158e2d3848fa23a9f1c25182fb8e20313b2c1eb49219da7a70ce90c3</span>
+    <span data-ty>Polkadot</span>
+    <span data-ty>FeeAmount is: 10000000000</span>
+    <span data-ty>XCM Version is V4</span>
+    <span data-ty>Encoded Call Data for Tx is 0x6b09002a0d0000e803000000900100010401000100e40b5402000000000000000000000002286bee020004000100</span>
+    <span data-ty>✨  Done in 4.25s.</span>
+</div>