400 lines
14 KiB
TypeScript
400 lines
14 KiB
TypeScript
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import {BigInt, Address, BigDecimal} from '@graphprotocol/graph-ts'
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import { LOG_CALL, LOG_JOIN, LOG_EXIT, LOG_SWAP, Transfer } from '../types/templates/Pool/Pool'
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import { log } from '@graphprotocol/graph-ts'
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import {
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PoolFactory,
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Pool,
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PoolToken,
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PoolShare,
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Datatoken, PoolTransaction, PoolTransactionTokenValues
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} from '../types/schema'
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import {
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hexToDecimal,
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tokenToDecimal,
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createPoolShareEntity,
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createPoolTokenEntity,
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ZERO_BD,
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MINUS_1,
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decrPoolCount,
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updatePoolTransactionToken,
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createPoolTransaction,
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OCEAN,
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debuglog, updatePoolTokenBalance, _debuglog, DEBUG_POOL_ADDRESS
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} from './helpers'
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/************************************
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********** Pool Controls ***********
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************************************/
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export function handleSetSwapFee(event: LOG_CALL, swapFeeStr: string=null): void {
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let poolId = event.address.toHex()
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let pool = Pool.load(poolId)
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if (!swapFeeStr) {
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swapFeeStr = event.params.data.toHexString().slice(-40)
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}
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pool.swapFee = hexToDecimal(swapFeeStr, 18)
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pool.save()
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}
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export function handleSetController(event: LOG_CALL): void {
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let poolId = event.address.toHex()
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let pool = Pool.load(poolId)
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pool.controller = Address.fromString(event.params.data.toHexString().slice(-40))
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pool.save()
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}
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export function handleSetPublicSwap(event: LOG_CALL): void {
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let poolId = event.address.toHex()
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let pool = Pool.load(poolId)
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pool.publicSwap = event.params.data.toHexString().slice(-1) == '1'
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pool.save()
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}
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export function handleFinalize(event: LOG_CALL): void {
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let poolId = event.address.toHex()
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let pool = Pool.load(poolId)
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pool.finalized = true
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pool.symbol = 'BPT'
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pool.publicSwap = true
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pool.save()
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let factory = PoolFactory.load('1')
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factory.finalizedPoolCount = factory.finalizedPoolCount + 1
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factory.save()
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}
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export function handleSetup(event: LOG_CALL): void {
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let poolId = event.address.toHex()
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if (poolId == DEBUG_POOL_ADDRESS) {
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_debuglog('handleSetup: ', event, [])
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}
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let data = event.params.data.toHexString()
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// First 2 chars are 0x
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// Next there is 8 chars
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// Next starts the data each params occupies exactly 64 chars
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// Each value is padded with 0s to the left
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// For an Address, need to remove the leading 24 zeros, because the address itself is 40 chars
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// For numbers we donot need to remove the leading zeros because they have no effect being on the left of the number
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// skip 8 then take the last 40 (2 + 8 + 24 = 34) to (2 + 8 + 64 = 74)
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let dataTokenAddress = Address.fromString(data.slice(34,74)).toHexString()
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let dataTokenAmount = data.slice(74, 138) // 74+64
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let dataTokenWeight = data.slice(138,202) // (74+64,74+(2*64)
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let baseTokenAddress = Address.fromString(data.slice(202+24, 266)).toHexString() // (74+(2*64)+24, 74+(3*64))
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let baseTokenAmount = data.slice(266,330) // (74+(3*64),74+(4*64))
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let baseTokenWeight = data.slice(330,394) // (74+(4*64),74+(5*64))
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let swapFee = data.slice(394) // (74+(5*64), END)
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let poolTokenId = poolId.concat('-').concat(baseTokenAddress)
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let poolToken = PoolToken.load(poolTokenId)
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if (poolToken != null) return
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_handleRebind(event, poolId, dataTokenAddress, dataTokenAmount, dataTokenWeight)
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_handleRebind(event, poolId, baseTokenAddress, baseTokenAmount, baseTokenWeight)
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handleSetSwapFee(event, swapFee)
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handleFinalize(event)
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createPoolTransaction(event, 'setup', event.transaction.from.toHex())
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let pool = Pool.load(poolId)
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// update base token
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let amount = hexToDecimal(baseTokenAmount, 18)
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updatePoolTransactionToken(
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event.transaction.hash.toHexString(), poolTokenId,
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amount, PoolToken.load(poolTokenId).balance,
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ZERO_BD
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)
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// update the datatoken
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amount = hexToDecimal(dataTokenAmount, 18)
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updatePoolTransactionToken(
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event.transaction.hash.toHexString(), poolId.concat('-').concat(dataTokenAddress),
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amount, PoolToken.load(poolId.concat('-').concat(dataTokenAddress)).balance,
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ZERO_BD
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)
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}
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export function _handleRebind(event: LOG_CALL, poolId: string, tokenAddress: string, balanceStr: string, denormWeightStr: string): void {
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let pool = Pool.load(poolId)
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let decimals = BigInt.fromI32(18).toI32()
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if (tokenAddress != OCEAN ) {
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pool.datatokenAddress = tokenAddress
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}
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pool.tokenCount += BigInt.fromI32(1)
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let address = Address.fromString(tokenAddress)
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let denormWeight = hexToDecimal(denormWeightStr, decimals)
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let poolTokenId = poolId.concat('-').concat(address.toHexString())
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let poolToken = PoolToken.load(poolTokenId)
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if (poolToken == null) {
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createPoolTokenEntity(poolTokenId, poolId, address.toHexString())
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poolToken = PoolToken.load(poolTokenId)
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pool.totalWeight += denormWeight
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} else {
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let oldWeight = poolToken.denormWeight
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if (denormWeight > oldWeight) {
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pool.totalWeight = pool.totalWeight + (denormWeight - oldWeight)
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} else {
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pool.totalWeight = pool.totalWeight - (oldWeight - denormWeight)
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}
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}
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let balance = hexToDecimal(balanceStr, decimals)
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updatePoolTokenBalance(poolToken as PoolToken, balance, '_handleRebind')
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poolToken.denormWeight = denormWeight
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poolToken.save()
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if (balance.equals(ZERO_BD)) {
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decrPoolCount(pool.finalized)
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pool.active = false
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}
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pool.save()
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}
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export function handleRebind(event: LOG_CALL): void {
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let poolId = event.address.toHex()
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_handleRebind(
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event,
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poolId,
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event.params.data.toHexString().slice(34,74),
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event.params.data.toHexString().slice(74,138),
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event.params.data.toHexString().slice(138)
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)
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}
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/************************************
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********** JOINS & EXITS ***********
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************************************/
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export function handleJoinPool(event: LOG_JOIN): void {
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let poolId = event.address.toHex()
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let pool = Pool.load(poolId)
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if (pool.finalized == false){
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return
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}
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pool.joinCount = pool.joinCount.plus(BigInt.fromI32(1))
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pool.save()
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let ptx = event.transaction.hash.toHexString()
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let poolTx = PoolTransaction.load(ptx)
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if (poolTx != null) {
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if (poolId == DEBUG_POOL_ADDRESS && event.params.tokenIn.toHex() == OCEAN) {
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_debuglog('!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!! JOIN JOIN JOIN !!!!!!!!!!!! PoolTransaction EXISTS: ', event, [])
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}
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return
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}
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let address = event.params.tokenIn.toHex()
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let poolTokenId = poolId.concat('-').concat(address)
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let poolToken = PoolToken.load(poolTokenId)
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if (poolToken == null) {
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if (poolToken.poolId == DEBUG_POOL_ADDRESS && poolToken.tokenAddress == OCEAN) {
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_debuglog('!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!! JOIN JOIN JOIN !!!!!!!!!!!! NO PoolToken: ', event, [address, poolTokenId])
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}
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return
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}
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let datatoken: Datatoken | null
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datatoken = poolToken.tokenId != null ? Datatoken.load(poolToken.tokenId) : null
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let decimals = datatoken == null ? BigInt.fromI32(18).toI32() : datatoken.decimals
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let tokenAmountIn = tokenToDecimal(event.params.tokenAmountIn.toBigDecimal(), decimals)
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updatePoolTokenBalance(poolToken as PoolToken, poolToken.balance.plus(tokenAmountIn), 'handleJoinPool')
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if (poolToken.poolId == DEBUG_POOL_ADDRESS && poolToken.tokenAddress == OCEAN) {
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_debuglog('!!!!!!!!!!!!!!!!!! JOIN JOIN JOIN : (token, amountIn, amountIn) ', event,
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[address, tokenAmountIn.toString(), event.params.tokenAmountIn.toString()])
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}
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poolToken.save()
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createPoolTransaction(event, 'join', event.params.caller.toHexString())
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updatePoolTransactionToken(
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event.transaction.hash.toHexString(), poolTokenId,
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tokenAmountIn, poolToken.balance,
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tokenAmountIn.times(pool.swapFee)
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)
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}
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export function handleExitPool(event: LOG_EXIT): void {
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let poolId = event.address.toHex()
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let address = event.params.tokenOut.toHex()
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let poolTokenId = poolId.concat('-').concat(address.toString())
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let poolToken = PoolToken.load(poolTokenId)
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if (!poolToken) {
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if (poolToken.poolId == DEBUG_POOL_ADDRESS && poolToken.tokenAddress == OCEAN) {
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_debuglog('!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!! EXIT EXIT EXIT !!!!!!!!!!!! NO PoolToken: ', event, [address, poolTokenId])
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}
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return
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}
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let datatoken: Datatoken | null
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datatoken = poolToken.tokenId != null ? Datatoken.load(poolToken.tokenId) : null
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let decimals = datatoken == null ? BigInt.fromI32(18).toI32() : datatoken.decimals
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let tokenAmountOut = tokenToDecimal(event.params.tokenAmountOut.toBigDecimal(), decimals)
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let newAmount = poolToken.balance.minus(tokenAmountOut)
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updatePoolTokenBalance(poolToken as PoolToken, newAmount, 'handleExitPool')
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poolToken.save()
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if (poolToken.poolId == DEBUG_POOL_ADDRESS && poolToken.tokenAddress == OCEAN) {
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_debuglog('!!!!!!!!!!!!!!!!!! EXIT EXIT EXIT : (token, amountOut, amountOut)', event,
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[address, tokenAmountOut.toString(), event.params.tokenAmountOut.toString()])
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}
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let pool = Pool.load(poolId)
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pool.exitCount = pool.exitCount.plus(BigInt.fromI32(1))
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if (newAmount.equals(ZERO_BD)) {
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decrPoolCount(pool.finalized)
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pool.active = false
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}
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pool.save()
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createPoolTransaction(event, 'exit', event.params.caller.toHexString())
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updatePoolTransactionToken(
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event.transaction.hash.toHexString(), poolTokenId,
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tokenAmountOut.times(MINUS_1), poolToken.balance,
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tokenAmountOut.times(pool.swapFee)
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)
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}
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/************************************
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************** SWAPS ***************
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************************************/
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export function handleSwap(event: LOG_SWAP): void {
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let poolId = event.address.toHex()
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let ptx = event.transaction.hash.toHexString()
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let tokenIn = event.params.tokenIn.toHex()
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let poolTokenInId = poolId.concat('-').concat(tokenIn.toString())
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let poolTokenIn = PoolToken.load(poolTokenInId)
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if (!poolTokenIn) {
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if (poolId == DEBUG_POOL_ADDRESS) {
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_debuglog('!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!! SWAP SWAP SWAP !!!!!!!!!!!! NO PoolToken: ', event,
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[tokenIn, poolTokenInId])
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}
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return
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}
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let dtIn = Datatoken.load(tokenIn)
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let tokenAmountIn = tokenToDecimal(event.params.tokenAmountIn.toBigDecimal(), (dtIn == null) ? 18 : dtIn.decimals)
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let newAmountIn = poolTokenIn.balance.plus(tokenAmountIn)
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updatePoolTokenBalance(poolTokenIn as PoolToken, newAmountIn, 'handleSwap.tokenIn')
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poolTokenIn.save()
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let tokenOut = event.params.tokenOut.toHex()
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let poolTokenOutId = poolId.concat('-').concat(tokenOut.toString())
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let poolTokenOut = PoolToken.load(poolTokenOutId)
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let dtOut = Datatoken.load(tokenOut)
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let tokenAmountOut = tokenToDecimal(event.params.tokenAmountOut.toBigDecimal(), (dtOut == null) ? 18 : dtOut.decimals)
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let newAmountOut = poolTokenOut.balance.minus(tokenAmountOut)
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updatePoolTokenBalance(poolTokenOut as PoolToken, newAmountOut, 'handleSwap.tokenOut')
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poolTokenOut.save()
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if (poolId == DEBUG_POOL_ADDRESS) {
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_debuglog('!!!!!!!!!!!!!!!!!! SWAP SWAP SWAP : (tokenIn, tokenOut, amountIn, amountIn, amountOut, amountOut)', event,
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[tokenIn, tokenOut, tokenAmountIn.toString(), event.params.tokenAmountIn.toString(),
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tokenAmountOut.toString(), event.params.tokenAmountOut.toString()])
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}
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let pool = Pool.load(poolId)
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pool.swapCount += BigInt.fromI32(1)
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if (newAmountIn.equals(ZERO_BD) || newAmountOut.equals(ZERO_BD)) {
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decrPoolCount(pool.finalized)
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pool.active = false
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}
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pool.save()
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createPoolTransaction(event, 'swap', event.params.caller.toHexString())
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updatePoolTransactionToken(
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ptx, poolTokenIn.id, tokenAmountIn, poolTokenIn.balance,
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tokenAmountIn.times(pool.swapFee))
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updatePoolTransactionToken(
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ptx, poolTokenOut.id, tokenAmountOut.times(MINUS_1), poolTokenOut.balance,
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BigDecimal.fromString('0.0'))
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}
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/************************************
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*********** POOL SHARES ************
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************************************/
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export function handleTransfer(event: Transfer): void {
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let poolId = event.address.toHex()
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let ZERO_ADDRESS = '0x0000000000000000000000000000000000000000'
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let isMint = event.params.from.toHex() == ZERO_ADDRESS
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let isBurn = event.params.to.toHex() == ZERO_ADDRESS
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let poolShareFromId = poolId.concat('-').concat(event.params.from.toHex())
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let poolShareFrom = PoolShare.load(poolShareFromId)
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let poolShareFromBalance = poolShareFrom == null ? ZERO_BD : poolShareFrom.balance
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let poolShareToId = poolId.concat('-').concat(event.params.to.toHex())
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let poolShareTo = PoolShare.load(poolShareToId)
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let poolShareToBalance = poolShareTo == null ? ZERO_BD : poolShareTo.balance
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let pool = Pool.load(poolId)
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let poolTx = PoolTransaction.load(event.transaction.hash.toHexString())
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let value = tokenToDecimal(event.params.value.toBigDecimal(), 18)
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if (isMint) {
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if (poolShareTo == null) {
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createPoolShareEntity(poolShareToId, poolId, event.params.to.toHex())
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poolShareTo = PoolShare.load(poolShareToId)
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}
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poolShareTo.balance += value
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poolShareTo.save()
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pool.totalShares += value
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if (poolTx != null) {
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poolTx.sharesTransferAmount = value
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poolTx.sharesBalance = poolShareTo.balance
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}
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} else if (isBurn) {
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if (poolShareFrom == null) {
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createPoolShareEntity(poolShareFromId, poolId, event.params.from.toHex())
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poolShareFrom = PoolShare.load(poolShareFromId)
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}
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poolShareFrom.balance -= value
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poolShareFrom.save()
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pool.totalShares -= value
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if (poolTx != null) {
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poolTx.sharesTransferAmount = -value
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poolTx.sharesBalance = poolShareFrom.balance
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}
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} else {
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if (poolShareTo == null) {
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createPoolShareEntity(poolShareToId, poolId, event.params.to.toHex())
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poolShareTo = PoolShare.load(poolShareToId)
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}
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poolShareTo.balance += value
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poolShareTo.save()
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if (poolShareFrom == null) {
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createPoolShareEntity(poolShareFromId, poolId, event.params.from.toHex())
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poolShareFrom = PoolShare.load(poolShareFromId)
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}
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poolShareFrom.balance -= value
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poolShareFrom.save()
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}
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if (
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poolShareTo !== null
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&& poolShareTo.balance.notEqual(ZERO_BD)
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&& poolShareToBalance.equals(ZERO_BD)
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) {
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pool.holderCount += BigInt.fromI32(1)
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}
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if (
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poolShareFrom !== null
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&& poolShareFrom.balance.equals(ZERO_BD)
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&& poolShareFromBalance.notEqual(ZERO_BD)
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) {
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pool.holderCount -= BigInt.fromI32(1)
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}
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if (poolTx != null) {
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poolTx.save()
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}
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pool.save()
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} |