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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| import { styled } from '@mui/material/styles' | ||
| import { useGetAssetBalance } from '../../hooks/useGetAssetBalance' | ||
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|
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| interface BalanceProps { | ||
| address: string | ||
| assetId: number | ||
| logo: string | ||
| } | ||
|
|
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| const AssetBalance = ({ address, assetId, logo }: BalanceProps) => { | ||
| const { balanceFormatted } = useGetAssetBalance({ address, assetId }) | ||
|
|
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| if (!balanceFormatted) return null | ||
|
|
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| return ( | ||
| <BalanceStyled> | ||
| <ImgStyled | ||
| src={logo} | ||
| alt="balance" | ||
| /> | ||
| {balanceFormatted} | ||
| </BalanceStyled> | ||
| ) | ||
| } | ||
|
|
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| const BalanceStyled = styled('div')` | ||
| display: flex; | ||
| color: ${({ theme }) => theme.custom.gray[700]}; | ||
| font-size: 1rem; | ||
| margin-top: 0.5rem; | ||
| ` | ||
|
|
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| const ImgStyled = styled('img')` | ||
| margin-right: 0.5rem; | ||
| width: 1.5rem; | ||
| ` | ||
| export default AssetBalance |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| import { useEffect, useState } from 'react' | ||
| import { useApi } from '../contexts/ApiContext' | ||
| import { formatBigIntBalance } from '../utils/formatBnBalance' | ||
| import { dotAssetHub, DotAssetHubQueries } from '@polkadot-api/descriptors' | ||
| import { TypedApi } from 'polkadot-api' | ||
|
|
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| interface useGetBalanceProps { | ||
| address?: string | ||
| numberAfterComma?: number | ||
| assetId: number | ||
| } | ||
|
|
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| export const useGetAssetBalance = ({ | ||
| address, | ||
| numberAfterComma = 4, | ||
| assetId | ||
| }: useGetBalanceProps) => { | ||
| const { api } = useApi() | ||
| const [balance, setBalance] = useState<bigint | null>(null) | ||
| const [balanceFormatted, setFormattedBalance] = useState<string | null>(null) | ||
| const [assetMetadata, setAssetMetadata] = useState< | ||
| DotAssetHubQueries['Assets']['Metadata']['Value'] | null | ||
| >(null) | ||
|
|
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| useEffect(() => { | ||
| if (!api || !assetId) return | ||
| ;(api as TypedApi<typeof dotAssetHub>).query.Assets.Metadata.getValue(assetId) | ||
| .then(setAssetMetadata) | ||
| .catch(console.error) | ||
| }, [api, assetId]) | ||
|
|
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| useEffect(() => { | ||
| if (!api || !address || !assetMetadata || !assetId) return | ||
|
|
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| const unsub = (api as TypedApi<typeof dotAssetHub>).query.Assets.Account.watchValue( | ||
| assetId, | ||
| address, | ||
| 'best' | ||
| ).subscribe((res) => { | ||
| const balance = res?.balance || 0n | ||
|
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| setBalance(balance) | ||
| setFormattedBalance( | ||
| formatBigIntBalance(balance, assetMetadata.decimals, { | ||
| numberAfterComma, | ||
| tokenSymbol: assetMetadata.symbol.asText() | ||
| }) | ||
| ) | ||
| }) | ||
|
|
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| return () => unsub && unsub.unsubscribe() | ||
| }, [address, api, assetId, assetMetadata, numberAfterComma]) | ||
|
|
||
| return { balance, balanceFormatted } | ||
| } |
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