USDC from Wormhole in Zeitgeist (#179)

* -wip- USDC wormhole transfers in zeitgeist, incomplete due to error in zeitgeist * add custom decimals * change decimals fetching order * add changeset * implement GLMR integration with Zeitgeist and add param to use chain decimals internally * add changeset * change variable name
moonbeam-foundation · Jan 31, 2024 · eb20aee · eb20aee
1 parent cc6964b
commit eb20aee
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diff --git a/.changeset/wild-singers-retire.md b/.changeset/wild-singers-retire.md
@@ -0,0 +1,7 @@
+---
+'@moonbeam-network/xcm-config': patch
+'@moonbeam-network/xcm-types': patch
+'@moonbeam-network/xcm-sdk': patch
+---
+
+USDC wh integration with Moonbeam
diff --git a/packages/config/src/chains.ts b/packages/config/src/chains.ts
@@ -454,13 +454,11 @@ export const interlay = new Parachain({
       asset: intr,
       decimals: 10,
       id: { Token: intr.originSymbol },
-      metadataId: 0,
     },
     {
       asset: ibtc,
       decimals: 8,
       id: { Token: ibtc.originSymbol },
-      metadataId: 0,
     },
   ],
   ecosystem: Ecosystem.Polkadot,
@@ -549,7 +547,6 @@ export const kintsugi = new Parachain({
       asset: kbtc,
       decimals: 8,
       id: { Token: kbtc.originSymbol },
-      metadataId: 0,
     },
   ],
   ecosystem: Ecosystem.Kusama,
@@ -1400,13 +1397,24 @@ export const uniqueAlpha = new Parachain({
 });
 
 export const zeitgeist = new Parachain({
+  assetsData: [
+    {
+      asset: usdcwh,
+      id: { ForeignAsset: 1 },
+    },
+    {
+      asset: glmr,
+      id: { ForeignAsset: 3 },
+    },
+  ],
   ecosystem: Ecosystem.Polkadot,
   genesisHash:
     '0x1bf2a2ecb4a868de66ea8610f2ce7c8c43706561b6476031315f6640fe38e060',
   key: 'zeitgeist',
   name: 'Zeitgeist',
   parachainId: 2092,
   ss58Format: 73,
+  usesChainDecimals: true,
   ws: 'wss://zeitgeist-rpc.dwellir.com',
 });
 

diff --git a/packages/config/src/configs/moonbeam.ts b/packages/config/src/configs/moonbeam.ts
@@ -165,7 +165,18 @@ export const moonbeamConfig = new ChainConfig({
       contract: ContractBuilder().Xtokens().transfer(),
       destination: pendulum,
       destinationFee: {
-        amount: 0.0002, //
+        amount: 0.0002,
+        asset: glmr,
+        balance: BalanceBuilder().substrate().system().account(),
+      },
+    }),
+    new AssetConfig({
+      asset: glmr,
+      balance: BalanceBuilder().substrate().system().account(),
+      contract: ContractBuilder().Xtokens().transfer(),
+      destination: zeitgeist,
+      destinationFee: {
+        amount: 0.3,
         asset: glmr,
         balance: BalanceBuilder().substrate().system().account(),
       },
@@ -515,6 +526,21 @@ export const moonbeamConfig = new ChainConfig({
         balance: BalanceBuilder().substrate().system().account(),
       },
     }),
+    new AssetConfig({
+      asset: usdcwh,
+      balance: BalanceBuilder().evm().erc20(),
+      contract: ContractBuilder().Xtokens().transfer(),
+      destination: zeitgeist,
+      destinationFee: {
+        amount: 0.101,
+        asset: usdcwh,
+        balance: BalanceBuilder().evm().erc20(),
+      },
+      fee: {
+        asset: glmr,
+        balance: BalanceBuilder().substrate().system().account(),
+      },
+    }),
     new AssetConfig({
       asset: usdtwh,
       balance: BalanceBuilder().evm().erc20(),

diff --git a/packages/config/src/configs/zeitgeist.ts b/packages/config/src/configs/zeitgeist.ts
@@ -3,7 +3,7 @@ import {
   ExtrinsicBuilder,
   FeeBuilder,
 } from '@moonbeam-network/xcm-builder';
-import { ztg } from '../assets';
+import { glmr, usdcwh, ztg } from '../assets';
 import { moonbeam, zeitgeist } from '../chains';
 import { AssetConfig } from '../types/AssetConfig';
 import { ChainConfig } from '../types/ChainConfig';
@@ -21,6 +21,32 @@ export const zeitgeistConfig = new ChainConfig({
       },
       extrinsic: ExtrinsicBuilder().xTokens().transfer(),
     }),
+    new AssetConfig({
+      asset: usdcwh,
+      balance: BalanceBuilder().substrate().tokens().accounts(),
+      destination: moonbeam,
+      destinationFee: {
+        amount: 0.04,
+        asset: glmr,
+        balance: BalanceBuilder().substrate().tokens().accounts(),
+      },
+      extrinsic: ExtrinsicBuilder().xTokens().transferMultiCurrencies(),
+      fee: {
+        asset: ztg,
+        balance: BalanceBuilder().substrate().system().account(),
+      },
+    }),
+    new AssetConfig({
+      asset: glmr,
+      balance: BalanceBuilder().substrate().tokens().accounts(),
+      destination: moonbeam,
+      destinationFee: {
+        amount: 0.01,
+        asset: glmr,
+        balance: BalanceBuilder().substrate().tokens().accounts(),
+      },
+      extrinsic: ExtrinsicBuilder().xTokens().transfer(),
+    }),
   ],
   chain: zeitgeist,
 });
diff --git a/packages/sdk/src/getTransferData/getDestinationData.ts b/packages/sdk/src/getTransferData/getDestinationData.ts
@@ -29,6 +29,7 @@ export async function getDestinationData({
     amount: 0n,
     decimals: await getDecimals({
       address: destinationAddress,
+      chain,
       config,
       evmSigner,
       polkadot,
@@ -37,7 +38,9 @@ export async function getDestinationData({
 
   const balance = await getBalance({
     address: destinationAddress,
+    chain,
     config,
+    decimals: zeroAmount.decimals,
     evmSigner,
     polkadot,
   });
@@ -53,7 +56,6 @@ export async function getDestinationData({
     polkadot,
   });
   const minAmount = zeroAmount.copyWith({ amount: min });
-
   return {
     balance: balanceAmount,
     chain,

diff --git a/packages/sdk/src/getTransferData/getSourceData.ts b/packages/sdk/src/getTransferData/getSourceData.ts
@@ -5,13 +5,18 @@ import {
   SubstrateQueryConfig,
 } from '@moonbeam-network/xcm-builder';
 import { FeeAssetConfig, TransferConfig } from '@moonbeam-network/xcm-config';
-import { AssetAmount } from '@moonbeam-network/xcm-types';
+import { AnyChain, AssetAmount } from '@moonbeam-network/xcm-types';
 import { convertDecimals, toBigInt } from '@moonbeam-network/xcm-utils';
 import Big from 'big.js';
 import { TransferContractInterface, createContract } from '../contract';
 import { PolkadotService } from '../polkadot';
 import { EvmSigner, SourceChainTransferData } from '../sdk.interfaces';
-import { getBalance, getDecimals, getMin } from './getTransferData.utils';
+import {
+  GetBalancesParams,
+  getBalance,
+  getDecimals,
+  getMin,
+} from './getTransferData.utils';
 
 export interface GetSourceDataParams {
   transferConfig: TransferConfig;
@@ -39,6 +44,7 @@ export async function getSourceData({
     amount: 0n,
     decimals: await getDecimals({
       address: destinationAddress,
+      chain,
       config,
       evmSigner,
       polkadot,
@@ -50,6 +56,7 @@ export async function getSourceData({
         decimals: await getDecimals({
           address: destinationAddress,
           asset: config.fee.asset,
+          chain,
           config,
           evmSigner,
           polkadot,
@@ -62,6 +69,7 @@ export async function getSourceData({
         decimals: await getDecimals({
           address: destinationAddress,
           asset: config.destinationFee.asset,
+          chain,
           config,
           evmSigner,
           polkadot,
@@ -71,14 +79,18 @@ export async function getSourceData({
 
   const balance = await getBalance({
     address: sourceAddress,
+    chain,
     config,
+    decimals: zeroAmount.decimals,
     evmSigner,
     polkadot,
   });
 
-  const feeBalance = await getFeeBalances({
+  const feeBalance = await getFeeBalance({
     address: sourceAddress,
     balance,
+    chain,
+    decimals: zeroFeeAmount.decimals,
     feeConfig: config.fee,
     polkadot,
   });
@@ -87,9 +99,11 @@ export async function getSourceData({
     config.destinationFee.asset,
   )
     ? balance
-    : await getFeeBalances({
+    : await getFeeBalance({
         address: sourceAddress,
         balance,
+        chain,
+        decimals: zeroDestinationFeeAmount.decimals,
         feeConfig: config.destinationFee,
         polkadot,
       });
@@ -117,6 +131,7 @@ export async function getSourceData({
   });
   const fee = await getFee({
     balance,
+    chain,
     contract,
     decimals: zeroFeeAmount.decimals,
     evmSigner,
@@ -134,6 +149,7 @@ export async function getSourceData({
     amount: destinationFeeBalance,
   });
   const minAmount = zeroAmount.copyWith({ amount: min });
+
   const maxAmount = getMax({
     balanceAmount,
     existentialDeposit,
@@ -153,32 +169,40 @@ export async function getSourceData({
   };
 }
 
-export interface GetBalancesParams {
-  address: string;
+export interface GetFeeBalanceParams
+  extends Omit<GetBalancesParams, 'config' | 'evmSigner'> {
   balance: bigint;
   feeConfig: FeeAssetConfig | undefined;
-  polkadot: PolkadotService;
 }
 
-export async function getFeeBalances({
+export async function getFeeBalance({
   address,
   balance,
+  chain,
+  decimals,
   feeConfig,
   polkadot,
-}: GetBalancesParams) {
-  return feeConfig
-    ? polkadot.query(
-        feeConfig.balance.build({
-          address,
-          asset: polkadot.chain.getBalanceAssetId(feeConfig.asset),
-        }) as SubstrateQueryConfig,
-      )
-    : balance;
+}: GetFeeBalanceParams) {
+  if (!feeConfig) {
+    return balance;
+  }
+
+  const feeBalance = await polkadot.query(
+    feeConfig.balance.build({
+      address,
+      asset: polkadot.chain.getBalanceAssetId(feeConfig.asset),
+    }) as SubstrateQueryConfig,
+  );
+
+  return chain.usesChainDecimals
+    ? convertDecimals(feeBalance, polkadot.decimals, decimals)
+    : feeBalance;
 }
 
 export interface GetFeeParams {
   balance: bigint;
   contract?: ContractConfig;
+  chain: AnyChain;
   decimals: number;
   evmSigner?: EvmSigner;
   extrinsic?: ExtrinsicConfig;
@@ -189,6 +213,7 @@ export interface GetFeeParams {
 
 export async function getFee({
   balance,
+  chain,
   contract,
   decimals,
   evmSigner,
@@ -215,7 +240,11 @@ export async function getFee({
 
     const xcmDeliveryFee = getXcmDeliveryFee(decimals, feeConfig);
 
-    return extrinsicFee + xcmDeliveryFee;
+    const totalFee = extrinsicFee + xcmDeliveryFee;
+
+    return chain.usesChainDecimals
+      ? convertDecimals(totalFee, polkadot.decimals, decimals)
+      : totalFee;
   }
 
   throw new Error('Either contract or extrinsic must be provided');

diff --git a/packages/sdk/src/getTransferData/getTransferData.utils.ts b/packages/sdk/src/getTransferData/getTransferData.utils.ts
@@ -1,32 +1,41 @@
 import { CallType, SubstrateQueryConfig } from '@moonbeam-network/xcm-builder';
 import { AssetConfig } from '@moonbeam-network/xcm-config';
-import { Asset } from '@moonbeam-network/xcm-types';
-import { toBigInt } from '@moonbeam-network/xcm-utils';
+import { AnyChain, Asset } from '@moonbeam-network/xcm-types';
+import { convertDecimals, toBigInt } from '@moonbeam-network/xcm-utils';
 import { BalanceContractInterface, createContract } from '../contract';
 import { PolkadotService } from '../polkadot';
 import { EvmSigner } from '../sdk.interfaces';
 
-export interface GetFeeBalancesParams {
+export interface GetBalancesParams {
   address: string;
+  asset?: Asset;
+  chain: AnyChain;
   config: AssetConfig;
+  decimals: number;
   evmSigner?: EvmSigner;
   polkadot: PolkadotService;
-  asset?: Asset;
 }
 
+export type GetDecimalsParams = Omit<GetBalancesParams, 'decimals'>;
+
 export async function getBalance({
   address,
+  chain,
   config,
+  decimals,
   evmSigner,
   polkadot,
-}: GetFeeBalancesParams) {
+}: GetBalancesParams) {
   const cfg = config.balance.build({
     address,
     asset: polkadot.chain.getBalanceAssetId(config.asset),
   });
 
   if (cfg.type === CallType.Substrate) {
-    return polkadot.query(cfg as SubstrateQueryConfig);
+    const balance = await polkadot.query(cfg as SubstrateQueryConfig);
+    return chain.usesChainDecimals
+      ? convertDecimals(balance, polkadot.decimals, decimals)
+      : balance;
   }
 
   if (!evmSigner) {
@@ -44,7 +53,7 @@ export async function getDecimals({
   config,
   evmSigner,
   polkadot,
-}: GetFeeBalancesParams) {
+}: GetDecimalsParams) {
   const cfg = config.balance.build({
     address,
     asset: polkadot.chain.getBalanceAssetId(asset || config.asset),