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add available balance to interbtc derive (#6810)

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Signed-off-by: Gregory Hill <gregorydhill@outlook.com>
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Greg Hill 2022-01-10 17:08:53 +00:00 committed by GitHub
parent c074af3037
commit ff7ba51375
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1 changed files with 11 additions and 2 deletions
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13
packages/apps-config/src/api/spec/interbtc.ts
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@ -13,6 +13,7 @@ import { combineLatest, map } from 'rxjs';
import { DeriveBalancesAll } from '@polkadot/api-derive/types';
import { memo } from '@polkadot/api-derive/util';
import { TypeRegistry, U128 } from '@polkadot/types';
import { Balance } from '@polkadot/types/interfaces';
import { BN, formatBalance } from '@polkadot/util';
function balanceOf (number: number | string): U128 {
@ -32,6 +33,12 @@ function defaultAccountBalance (): DeriveBalancesAll {
} as any;
}
interface OrmlAccountData {
free: Balance,
reserved: Balance,
frozen: Balance,
}
export function getBalance (
instanceId: string,
api: ApiInterfaceRx
@ -41,10 +48,12 @@ export function getBalance (
return memo(
instanceId,
(account: string): Observable<DeriveBalancesAll> =>
combineLatest([api.query.tokens.accounts(account, { Token: nativeToken })]).pipe(
map(([data]: [any]): DeriveBalancesAll => {
combineLatest<[any]>([api.query.tokens.accounts(account, { Token: nativeToken })]).pipe(
map(([data]: [OrmlAccountData]): DeriveBalancesAll => {
return {
...defaultAccountBalance(),
accountId: api.registry.createType('AccountId', account),
availableBalance: api.registry.createType('Balance', data.free.sub(data.frozen)),
freeBalance: data.free,
lockedBalance: data.frozen,
reservedBalance: data.reserved