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Merge pull request #84 from bgibers/bugFix/frozenBalance
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Fix frozen balance
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wottpal authored Dec 4, 2024
2 parents e4d24cd + dd1c172 commit 8e0e45f
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5 changes: 5 additions & 0 deletions .changeset/tiny-geese-yawn.md
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@@ -0,0 +1,5 @@
---
'@scio-labs/use-inkathon': patch
---

Fix frozen balance
19 changes: 13 additions & 6 deletions src/helpers/getBalance.ts
Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,6 @@ export const getBalance = async (
// Query the chain and parse data
const result: any = await api.query.system.account(address)
const balanceData = parseBalanceData(api, result?.data, formatterOptions)

return balanceData
}

Expand Down Expand Up @@ -84,11 +83,19 @@ const parseBalanceData = (
const balance = reservedBalance.add(freeBalance)

// Calculate the reducible balance (see: https://substrate.stackexchange.com/a/3009/3470)
const miscFrozenBalance: BN = new BN(data?.miscFrozen || 0)
const feeFrozenBalance: BN = new BN(data?.feeFrozen || 0)
const reducibleBalance = freeBalance.sub(
miscFrozenBalance.gt(feeFrozenBalance) ? miscFrozenBalance : feeFrozenBalance,
)
// (https://wiki.polkadot.network/docs/learn-guides-accounts#query-account-data-in-polkadot-js)
let reducibleBalance = new BN(0)

if (data?.frozen) {
const frozenBalance: BN = new BN(data?.frozen || 0)
reducibleBalance = freeBalance.sub(frozenBalance.sub(reservedBalance))
} else {
const miscFrozenBalance: BN = new BN(data?.miscFrozen || 0)
const feeFrozenBalance: BN = new BN(data?.feeFrozen || 0)
reducibleBalance = freeBalance.sub(
miscFrozenBalance.gt(feeFrozenBalance) ? miscFrozenBalance : feeFrozenBalance,
)
}

// Format the balance
const freeBalanceFormatted = formatBalance(api, freeBalance, formatterOptions)
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