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fix(#patch); currentHolderCount in erc20 subgraph #2459

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merged 2 commits into from
Jul 5, 2024
Merged

fix(#patch); currentHolderCount in erc20 subgraph #2459

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867cc44
fix holderCount in erc20 subgraph
zjesko Jan 20, 2024
c6e3cb9
lint: prettier
zjesko Jan 22, 2024
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17 changes: 5 additions & 12 deletions subgraphs/erc20/src/mappings/token.ts
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
import { Bytes, BigInt, ethereum, log } from "@graphprotocol/graph-ts";

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'log' is defined but never used

import { ERC20, Transfer } from "../../generated/templates/StandardToken/ERC20";
import { Burn } from "../../generated/templates/BurnableToken/Burnable";
Expand Down Expand Up @@ -30,14 +30,14 @@
} from "./account";

export function handleTransfer(event: Transfer): void {
let token = Token.load(event.address.toHex());

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'token' is never reassigned. Use 'const' instead

if (token != null) {
if (token.name == "") {
let erc20 = ERC20.bind(event.address);

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'erc20' is never reassigned. Use 'const' instead
let tokenName = erc20.try_name();

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'tokenName' is never reassigned. Use 'const' instead
let tokenSymbol = erc20.try_symbol();

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'tokenSymbol' is never reassigned. Use 'const' instead
let tokenDecimals = erc20.try_decimals();

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'tokenDecimals' is never reassigned. Use 'const' instead

token.name = tokenName.reverted ? "" : tokenName.value;
token.symbol = tokenSymbol.reverted ? "" : tokenSymbol.value;
Expand All @@ -50,11 +50,11 @@
if (event.params.value == BIGINT_ZERO) {
return;
}
let amount = event.params.value;

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'amount' is never reassigned. Use 'const' instead

let isBurn = event.params.to.toHex() == GENESIS_ADDRESS;

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'isBurn' is never reassigned. Use 'const' instead
let isMint = event.params.from.toHex() == GENESIS_ADDRESS;

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'isMint' is never reassigned. Use 'const' instead
let isTransfer = !isBurn && !isMint;

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'isTransfer' is never reassigned. Use 'const' instead
let isEventProcessed = false;

if (isBurn) {
Expand Down Expand Up @@ -320,20 +320,15 @@
if (isNewAccount(destination)) {
// It means the receiver is a new holder
toAddressIsNewHolderNum = BIGINT_ONE;
} else {
balance = getOrCreateAccountBalance(
getOrCreateAccount(destination),
token
);
if (balance.amount == BIGINT_ONE) {
// It means the receiver's token balance is 0 before transferal.
toBalanceIsZeroNum = BIGINT_ONE;
}
}
balance = getOrCreateAccountBalance(getOrCreateAccount(destination),token);
if (balance.amount == BIGINT_ZERO) {
// It means the receiver's token balance is 0 before transferal.
toBalanceIsZeroNum = BIGINT_ONE;
}

token.currentHolderCount = token.currentHolderCount
.minus(FromBalanceToZeroNum)
.plus(toAddressIsNewHolderNum)
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.plus(toBalanceIsZeroNum);
token.cumulativeHolderCount = token.cumulativeHolderCount.plus(
toAddressIsNewHolderNum
Expand All @@ -343,7 +338,6 @@
let dailySnapshot = getOrCreateTokenDailySnapshot(token, event.block);
dailySnapshot.currentHolderCount = dailySnapshot.currentHolderCount
.minus(FromBalanceToZeroNum)
.plus(toAddressIsNewHolderNum)
.plus(toBalanceIsZeroNum);
dailySnapshot.cumulativeHolderCount =
dailySnapshot.cumulativeHolderCount.plus(toAddressIsNewHolderNum);
Expand All @@ -357,7 +351,6 @@
let hourlySnapshot = getOrCreateTokenHourlySnapshot(token, event.block);
hourlySnapshot.currentHolderCount = hourlySnapshot.currentHolderCount
.minus(FromBalanceToZeroNum)
.plus(toAddressIsNewHolderNum)
.plus(toBalanceIsZeroNum);
hourlySnapshot.cumulativeHolderCount =
hourlySnapshot.cumulativeHolderCount.plus(toAddressIsNewHolderNum);
Expand Down
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