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fix: getUpdateBlock to handle BalancerTransfer event change #128

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fix: getUpdateBlock to handle BalancerTransfer event change #128

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ce473fd
fix: getUpdateBlock to handle BalancerTransfer event change
defispartan May 16, 2024
0a1cd0f
fix: scaledBalance calculations
defispartan May 28, 2024
b4cf51d
chore: revert balanceIncrease event update
defispartan Jul 24, 2024
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7 changes: 4 additions & 3 deletions src/mapping/tokenization/tokenization-v3.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -191,6 +191,7 @@ function tokenMint(
): void {
let aToken = getOrInitSubToken(event.address);
let poolReserve = getOrInitReserve(aToken.underlyingAssetAddress, event);

const userBalanceChange = value.minus(balanceIncrease);

poolReserve.totalATokenSupply = poolReserve.totalATokenSupply.plus(userBalanceChange);
Expand Down Expand Up @@ -219,7 +220,7 @@ function tokenMint(
onBehalf.toHexString() != '0x5ba7fd868c40c16f7aDfAe6CF87121E13FC2F7a0'.toLowerCase() &&
onBehalf.toHexString() != '0x8A020d92D6B119978582BE4d3EdFdC9F7b28BF31'.toLowerCase() &&
onBehalf.toHexString() != '0x053D55f9B5AF8694c503EB288a1B7E552f590710'.toLowerCase() &&
onBehalf.toHexString() != '0x464C71f6c2F760DdA6093dCB91C24c39e5d6e18c'.toLowerCase()
onBehalf.toHexString() != '0x464C71f6c2F760DdA6093dCB91C24c39e5d6e18c'.toLowerCase()
) {
let userReserve = getOrInitUserReserve(onBehalf, aToken.underlyingAssetAddress, event);
let calculatedAmount = rayDiv(userBalanceChange, index);
Expand Down Expand Up @@ -283,8 +284,8 @@ export function handleBalanceTransfer(event: BalanceTransfer): void {
let balanceTransferValue = event.params.value;
const network = dataSource.network();
const v301UpdateBlock = getUpdateBlock(network);
if (v301UpdateBlock !== -1 && event.block.number.toU32() > v301UpdateBlock) {
balanceTransferValue = balanceTransferValue.times(event.params.index);
if (event.block.number.toU32() > v301UpdateBlock) {
balanceTransferValue = rayMul(balanceTransferValue, event.params.index);
}

tokenBurn(event, event.params.from, balanceTransferValue, BigInt.fromI32(0), event.params.index);
Expand Down
12 changes: 5 additions & 7 deletions src/utils/converters.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -193,17 +193,15 @@ export function generateSymbol(description: string): string {
}

/**
* Gets the block number at which the given market was updated to v3.0.1.
* Returns -1 if the market was not updated.
* Returns the block number at which the given market was updated to v3.0.1.
* This is needed due to an updated interpretation of `BalanceTransfer` events
* All market deployments not listed use updated version by default
* @param network
* @returns block number
*/
export function getUpdateBlock(network: string): u32 {
let updateBlock = -1;
if (network === 'mainnet' || network === 'andromeda') {
// these markets were deployed with v3.0.1
updateBlock = 0;
} else if (network === 'optimism') {
let updateBlock = 0;
if (network === 'optimism') {
updateBlock = 775471;
} else if (network === 'polygon') {
updateBlock = 42535602;
Expand Down