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Fetch balances from Oasis gRPC instead of Web3 RPC #1384

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merged 4 commits into from
Apr 15, 2024
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@lukaw3d lukaw3d commented Apr 15, 2024

Fixes #1367

Differences in behaviour:

  • Fetches all balances, not just the native one
  • Fetches balances for contracts
  • Fetches balances for all accounts, not just EVM ones
  • Starts the request in parallel with Nexus API call

Related to #1073 #1338 #1374 #1318 (comment)

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src/app/utils/getRPCAccountBalances.ts Show resolved Hide resolved
src/app/utils/getRPCAccountBalances.ts Show resolved Hide resolved
return {
balance: oasis.quantity.toBigInt(amount).toString(),
token_symbol: oasis.misc.toStringUTF8(denomination) || getTokensForScope(scope)[0].ticker,
token_decimals: paraTimesConfig[scope.layer].decimals, // TODO: differentiate by token
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That doesn't look right, if this is querying ERC-20 tokens as well, each of the ERC-20 token, can have custom decimals specified. So defaulting to paratime decimals here, is wrong.

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It's only querying e.g. TEST and EUROe; evm_balances are a different field in Nexus API.
But we don't differentiate decimals between TEST and EUROe - related: #1265 (comment)

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Ok, I verified that both Ocean and EUROe use 18 decimals places, so coincidentally this works as expected.

Looking at the documentation at https://docs.pontus-x.eu/docs/Development/quick_start#setup-metamask the native token has been renamed to GX @csillag are we aware of this?

Scratch the above, was looking at the wrong documentation. The right documentation is linked here: https://docs.pontus-x.eu/docs/ParaTime/quick_start#setup-metamask

Comment on lines +41 to +46
.map(token => {
return {
...token,
balance: fromBaseUnits(token.balance, token.token_decimals),
}
})
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This is iterating twice over an array, for no good reason. This should happen in the previous map.

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I prefer this, and it mirrors

.map(token => {
return {
...token,
balance: fromBaseUnits(token.balance, token.token_decimals),
}
}),
.

(I also think https://github.com/oasisprotocol/explorer-frontend/blob/26079807ff9a4e91cc42d106d75a0c824533caba/src/oasis-nexus/api.ts#L709-L752 should be split into multiple iterations over an array)

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I know it is not a large array, but for me it makes no sense, to iterate over the same array multiple times.

lukaw3d added 4 commits April 15, 2024 22:35
This fixes wrong balance on non-EVM addresses like fee accumulator. It also gets
balances of all tokens (e.g. TEST and EUROe on Pontus-X). And it can start the
request before Nexus responds with address_eth.
@lukaw3d lukaw3d merged commit 165caa2 into master Apr 15, 2024
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@lukaw3d lukaw3d deleted the lw/rpc-refactor branch April 15, 2024 20:43
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[Bug]: Gas fee paying address on Sapphire testnet showing wrong amount
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