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* separate sign and send * asset information * utils and fixes * increase asset fee * fixes * revert separate sign and send code * remove log
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| import { ApiPromise } from "@polkadot/api" | ||
| import { Codec, Registry } from "@polkadot/types/types" | ||
| import { IERC20Metadata__factory, IERC20__factory } from "@snowbridge/contract-types" | ||
| import { Context } from './index' | ||
|
|
||
| export const parachainNativeToken = async (api: ApiPromise): Promise<{ | ||
| tokenSymbol: string | ||
| tokenDecimal: number | ||
| ss58Format: number | null | ||
| }> => { | ||
| const properties = await api.rpc.system.properties() | ||
| const tokenSymbols = properties.tokenSymbol.unwrapOrDefault() | ||
| const tokenDecimals = properties.tokenDecimals.unwrapOrDefault() | ||
|
|
||
| return { | ||
| tokenSymbol: tokenSymbols.at(0)?.toString() ?? "DOT", | ||
| tokenDecimal: tokenDecimals.at(0)?.toNumber() ?? 10, | ||
| ss58Format: properties.ss58Format.unwrapOr(null)?.toNumber() ?? null, | ||
| } | ||
| } | ||
|
|
||
| export const erc20TokenToAssetLocation = (registry: Registry, ethChainId: bigint, token: string) => { | ||
| return registry.createType('StagingXcmV3MultiLocation', { | ||
| parents: 2, | ||
| interior: { | ||
| X2: [ | ||
| { GlobalConsensus: { Ethereum: { chain_id: ethChainId } } }, | ||
| { AccountKey20: { key: token } }, | ||
| ] | ||
| } | ||
| }) | ||
| } | ||
|
|
||
| export const assetStatusInfo = async (context: Context, tokenAddress: string, ownerAddress?: string) => { | ||
| let [ethereumNetwork, isTokenRegistered] = await Promise.all([ | ||
| context.ethereum.api.getNetwork(), | ||
| context.ethereum.contracts.gateway.isTokenRegistered(tokenAddress) | ||
| ]) | ||
|
|
||
| const ethereumChainId = ethereumNetwork.chainId | ||
| const multiLocation = erc20TokenToAssetLocation(context.polkadot.api.assetHub.registry, ethereumChainId, tokenAddress) | ||
| const foreignAsset = (await context.polkadot.api.assetHub.query.foreignAssets.asset(multiLocation)).toPrimitive() as { status: 'Live' } | ||
|
|
||
| const tokenContract = IERC20__factory.connect(tokenAddress, context.ethereum.api) | ||
| let ownerBalance = BigInt(0) | ||
| let tokenGatewayAllowance = BigInt(0) | ||
| let isValidERC20 = true | ||
| try { | ||
| const erc20balance = await assetErc20Balance(context, tokenAddress, ownerAddress ?? '0x0000000000000000000000000000000000000000') | ||
| ownerBalance = erc20balance.balance | ||
| tokenGatewayAllowance = erc20balance.gatewayAllowance | ||
|
|
||
| } catch { | ||
| isValidERC20 = false | ||
| } | ||
|
|
||
| return { | ||
| ethereumChainId, | ||
| multiLocation, | ||
| isValidERC20, | ||
| tokenContract, | ||
| isTokenRegistered, | ||
| tokenGatewayAllowance, | ||
| ownerBalance, | ||
| foreignAssetExists: foreignAsset !== null, | ||
| foreignAsset, | ||
| } | ||
| } | ||
|
|
||
| export const assetErc20Balance = async (context: Context, token: string, owner: string): Promise<{ | ||
| balance: bigint, | ||
| gatewayAllowance: bigint, | ||
| }> => { | ||
| const tokenContract = IERC20__factory.connect(token, context.ethereum.api) | ||
| const gateway = await context.ethereum.contracts.gateway.getAddress() | ||
| const [balance, gatewayAllowance] = await Promise.all([ | ||
| tokenContract.balanceOf(owner), | ||
| tokenContract.allowance(owner, gateway), | ||
| ]) | ||
| return { | ||
| balance, gatewayAllowance | ||
| } | ||
| } | ||
|
|
||
| export const assetErc20Metadata = async (context: Context, tokenAddress: string) => { | ||
| const tokenMetadata = IERC20Metadata__factory.connect(tokenAddress, context.ethereum.api) | ||
| const [name, symbol, decimals] = await Promise.all([ | ||
| tokenMetadata.name(), | ||
| tokenMetadata.symbol(), | ||
| tokenMetadata.decimals(), | ||
| ]) | ||
| return { name, symbol, decimals } | ||
| } | ||
|
|
||
| export const palletAssetsBalance = async (api: ApiPromise, location: Codec, address: string, instance = "assets"): Promise<bigint | null> => { | ||
| let account = (await api.query[instance].account(location, address)).toPrimitive() as any | ||
| if (account !== null) { | ||
| return BigInt(account.balance) | ||
| } | ||
| return null | ||
| } |
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