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L2_Amm_mapping.template.ts
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L2_Amm_mapping.template.ts
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import {
Address,
BigInt,
} from "@graphprotocol/graph-ts";
import {
TokenSwap,
AddLiquidity,
RemoveLiquidity,
RemoveLiquidityOne,
RemoveLiquidityImbalance,
} from '../generated/HopL2Amm/L2_Amm'
import {
TokenSwap as TokenSwapEntity,
AmmFee as AmmFeeEntity,
Tvl as TvlEntity,
AmmTvl as AmmTvlEntity,
AddLiquidity as AddLiquidityEntity,
RemoveLiquidity as RemoveLiquidityEntity,
RemoveLiquidityOne as RemoveLiquidityOneEntity,
RemoveLiquidityImbalance as RemoveLiquidityImbalanceEntity,
Token as TokenEntity,
} from '../generated/schema'
import {
createBlockEntityIfNotExists,
createTransactionEntityIfNotExists,
createTokenEntityIfNotExists
} from './shared'
const TOKEN_ADDRESS = '{{address}}'
const TOKEN_NAME = '{{tokenName}}'
const TOKEN_SYMBOL = '{{token}}'
const TOKEN_DECIMALS = {{tokenDecimals}}
const BASIS_POINTS = '4000000' // 4bps
const FEE_DENOMINATOR = '10000000000' // 10**10
export function handleTokenSwap(event: TokenSwap): void {
let id = event.transaction.hash.toHexString().concat(event.transactionLogIndex.toString())
let entity = TokenSwapEntity.load(id)
if (entity == null) {
entity = new TokenSwapEntity(id)
}
entity.buyer = event.params.buyer.toHexString()
entity.tokensSold = event.params.tokensSold
entity.tokensBought = event.params.tokensBought
entity.soldId = event.params.soldId
entity.boughtId = event.params.boughtId
createBlockEntityIfNotExists(event.params._event)
createTransactionEntityIfNotExists(event.params._event)
createTokenEntityIfNotExists(TOKEN_ADDRESS, TOKEN_NAME, TOKEN_SYMBOL, TOKEN_DECIMALS)
entity.block = event.params._event.block.hash.toHexString()
entity.transaction = event.params._event.transaction.hash.toHexString()
entity.tokenEntity = TOKEN_ADDRESS
// legacy
entity.transactionHash = event.params._event.transaction.hash.toHexString()
entity.transactionIndex = event.params._event.transaction.index
entity.timestamp = event.params._event.block.timestamp
entity.blockNumber = event.params._event.block.number
entity.contractAddress = event.params._event.address.toHexString()
entity.from = event.params._event.transaction.from.toHexString()
entity.token = TOKEN_SYMBOL
entity.save()
const ammFeesId = "ammFees:{{token}}"
let ammFeesEntity = AmmFeeEntity.load(ammFeesId)
if (ammFeesEntity == null) {
ammFeesEntity = new AmmFeeEntity(ammFeesId)
ammFeesEntity.amount = BigInt.fromI32(0)
}
ammFeesEntity.amount = ammFeesEntity.amount.plus(event.params.tokensSold.times(BigInt.fromString(BASIS_POINTS)).div(BigInt.fromString(FEE_DENOMINATOR)))
ammFeesEntity.token = TOKEN_SYMBOL
ammFeesEntity.tokenEntity = TOKEN_ADDRESS
ammFeesEntity.save()
}
export function handleAddLiquidity(event: AddLiquidity): void {
let id = event.transaction.hash.toHexString().concat(event.transactionLogIndex.toString())
let entity = AddLiquidityEntity.load(id)
if (entity == null) {
entity = new AddLiquidityEntity(id)
}
entity.provider = event.params.provider.toHexString()
entity.tokenAmounts = event.params.tokenAmounts
entity.fees = event.params.fees
entity.invariant = event.params.invariant
entity.lpTokenSupply = event.params.lpTokenSupply
createBlockEntityIfNotExists(event.params._event)
createTransactionEntityIfNotExists(event.params._event)
createTokenEntityIfNotExists(TOKEN_ADDRESS, TOKEN_NAME, TOKEN_SYMBOL, TOKEN_DECIMALS)
entity.block = event.params._event.block.hash.toHexString()
entity.transaction = event.params._event.transaction.hash.toHexString()
entity.tokenEntity = TOKEN_ADDRESS
// legacy
entity.transactionHash = event.params._event.transaction.hash.toHexString()
entity.transactionIndex = event.params._event.transaction.index
entity.timestamp = event.params._event.block.timestamp
entity.blockNumber = event.params._event.block.number
entity.contractAddress = event.params._event.address.toHexString()
entity.from = event.params._event.transaction.from.toHexString()
entity.token = TOKEN_SYMBOL
entity.save()
const tvlId = "tvl:{{token}}"
let tvlEntity = TvlEntity.load(tvlId)
if (tvlEntity == null) {
tvlEntity = new TvlEntity(tvlId)
tvlEntity.amount = BigInt.fromI32(0)
}
let amounts = event.params.tokenAmounts
if (amounts.length == 0) {
return
}
let amount = amounts[0]
tvlEntity.amount = tvlEntity.amount.plus(amount)
tvlEntity.token = TOKEN_SYMBOL
tvlEntity.save()
const ammTvlId = "ammTvl:{{token}}"
let ammTvlEntity = AmmTvlEntity.load(ammTvlId)
if (ammTvlEntity == null) {
ammTvlEntity = new AmmTvlEntity(ammTvlId)
ammTvlEntity.amount = BigInt.fromI32(0)
}
ammTvlEntity.amount = ammTvlEntity.amount.plus(amount)
ammTvlEntity.token = TOKEN_SYMBOL
ammTvlEntity.save()
}
export function handleRemoveLiquidity(event: RemoveLiquidity): void {
let id = event.transaction.hash.toHexString().concat(event.transactionLogIndex.toString())
let entity = RemoveLiquidityEntity.load(id)
if (entity == null) {
entity = new RemoveLiquidityEntity(id)
}
entity.provider = event.params.provider.toHexString()
entity.tokenAmounts = event.params.tokenAmounts
entity.lpTokenSupply = event.params.lpTokenSupply
createBlockEntityIfNotExists(event.params._event)
createTransactionEntityIfNotExists(event.params._event)
createTokenEntityIfNotExists(TOKEN_ADDRESS, TOKEN_NAME, TOKEN_SYMBOL, TOKEN_DECIMALS)
entity.block = event.params._event.block.hash.toHexString()
entity.transaction = event.params._event.transaction.hash.toHexString()
entity.tokenEntity = TOKEN_ADDRESS
// legacy
entity.transactionHash = event.params._event.transaction.hash.toHexString()
entity.transactionIndex = event.params._event.transaction.index
entity.timestamp = event.params._event.block.timestamp
entity.blockNumber = event.params._event.block.number
entity.contractAddress = event.params._event.address.toHexString()
entity.from = event.params._event.transaction.from.toHexString()
entity.token = TOKEN_SYMBOL
entity.save()
const tvlId = "tvl:{{token}}"
let tvlEntity = TvlEntity.load(tvlId)
if (tvlEntity == null) {
tvlEntity = new TvlEntity(tvlId)
tvlEntity.amount = BigInt.fromI32(0)
}
let amounts = event.params.tokenAmounts
if (amounts.length == 0) {
return
}
let amount = amounts[0]
tvlEntity.amount = tvlEntity.amount.minus(amount)
tvlEntity.token = TOKEN_SYMBOL
tvlEntity.save()
const ammTvlId = "ammTvl:{{token}}"
let ammTvlEntity = AmmTvlEntity.load(ammTvlId)
if (ammTvlEntity == null) {
ammTvlEntity = new AmmTvlEntity(ammTvlId)
ammTvlEntity.amount = BigInt.fromString('0')
}
ammTvlEntity.token = TOKEN_SYMBOL
ammTvlEntity.amount = ammTvlEntity.amount.minus(amount)
ammTvlEntity.save()
}
export function handleRemoveLiquidityOne(event: RemoveLiquidityOne): void {
let id = event.transaction.hash.toHexString().concat(event.transactionLogIndex.toString())
let entity = RemoveLiquidityOneEntity.load(id)
if (entity == null) {
entity = new RemoveLiquidityOneEntity(id)
}
entity.provider = event.params.provider.toHexString()
entity.lpTokenAmount = event.params.lpTokenAmount
entity.lpTokenSupply = event.params.lpTokenSupply
entity.boughtId = event.params.boughtId
entity.tokensBought = event.params.tokensBought
createBlockEntityIfNotExists(event.params._event)
createTransactionEntityIfNotExists(event.params._event)
createTokenEntityIfNotExists(TOKEN_ADDRESS, TOKEN_NAME, TOKEN_SYMBOL, TOKEN_DECIMALS)
entity.block = event.params._event.block.hash.toHexString()
entity.transaction = event.params._event.transaction.hash.toHexString()
entity.tokenEntity = TOKEN_ADDRESS
// legacy
entity.transactionHash = event.params._event.transaction.hash.toHexString()
entity.transactionIndex = event.params._event.transaction.index
entity.timestamp = event.params._event.block.timestamp
entity.blockNumber = event.params._event.block.number
entity.contractAddress = event.params._event.address.toHexString()
entity.from = event.params._event.transaction.from.toHexString()
entity.token = TOKEN_SYMBOL
entity.save()
let tokenIndex = event.params.boughtId
if (!tokenIndex.equals(BigInt.fromI32(0))) {
return
}
const tvlId = "tvl:{{token}}"
let tvlEntity = TvlEntity.load(tvlId)
if (tvlEntity == null) {
tvlEntity = new TvlEntity(tvlId)
tvlEntity.amount = BigInt.fromI32(0)
}
let amount = event.params.tokensBought
tvlEntity.amount = tvlEntity.amount.minus(amount)
tvlEntity.token = TOKEN_SYMBOL
tvlEntity.save()
const ammTvlId = "ammTvl:{{token}}"
let ammTvlEntity = AmmTvlEntity.load(ammTvlId)
if (ammTvlEntity == null) {
ammTvlEntity = new AmmTvlEntity(ammTvlId)
ammTvlEntity.amount = BigInt.fromI32(0)
}
ammTvlEntity.amount = ammTvlEntity.amount.minus(amount)
ammTvlEntity.token = TOKEN_SYMBOL
ammTvlEntity.save()
}
export function handleRemoveLiquidityImbalance(event: RemoveLiquidityImbalance): void {
let id = event.transaction.hash.toHexString().concat(event.transactionLogIndex.toString())
let entity = RemoveLiquidityImbalanceEntity.load(id)
if (entity == null) {
entity = new RemoveLiquidityImbalanceEntity(id)
}
entity.provider = event.params.provider.toHexString()
entity.tokenAmounts = event.params.tokenAmounts
entity.fees = event.params.fees
entity.invariant = event.params.invariant
entity.lpTokenSupply = event.params.lpTokenSupply
createBlockEntityIfNotExists(event.params._event)
createTransactionEntityIfNotExists(event.params._event)
createTokenEntityIfNotExists(TOKEN_ADDRESS, TOKEN_NAME, TOKEN_SYMBOL, TOKEN_DECIMALS)
entity.block = event.params._event.block.hash.toHexString()
entity.transaction = event.params._event.transaction.hash.toHexString()
entity.tokenEntity = TOKEN_ADDRESS
// legacy
entity.transactionHash = event.params._event.transaction.hash.toHexString()
entity.transactionIndex = event.params._event.transaction.index
entity.timestamp = event.params._event.block.timestamp
entity.blockNumber = event.params._event.block.number
entity.contractAddress = event.params._event.address.toHexString()
entity.from = event.params._event.transaction.from.toHexString()
entity.token = TOKEN_SYMBOL
entity.save()
}