446 lines
12 KiB
TypeScript
446 lines
12 KiB
TypeScript
import {
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BigDecimal,
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BigInt,
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Bytes,
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dataSource,
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Address,
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ethereum,
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log
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} from '@graphprotocol/graph-ts'
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import {
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Pool as PoolEntity,
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User,
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PoolToken,
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PoolShare,
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PoolTransaction,
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PoolFactory,
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Datatoken,
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TokenBalance,
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TokenTransaction,
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PoolTransactionTokenValues
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} from './@types/schema'
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import { Pool } from './@types/templates/Pool/Pool'
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export const ZERO_BD = BigDecimal.fromString('0.0')
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export const MINUS_1_BD = BigDecimal.fromString('-1.0')
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export const ONE_BD = BigDecimal.fromString('1.0')
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export const ONE_BASE_18 = BigInt.fromI32(10).pow(18 as u8)
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export const BONE = BigDecimal.fromString('1000000000000000000')
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export const ENABLE_DEBUG = true
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const network = dataSource.network()
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function getOceanAddress(): string {
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if (network == 'ropsten') {
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return '0x5e8dcb2afa23844bcc311b00ad1a0c30025aade9'
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} else if (network == 'rinkeby') {
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return '0x8967bcf84170c91b0d24d4302c2376283b0b3a07'
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}
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// network == 'mainnet'
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return '0x967da4048cd07ab37855c090aaf366e4ce1b9f48'
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}
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export const OCEAN: string = getOceanAddress()
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export function _debuglog(
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message: string,
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event: ethereum.Event,
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args: Array<string>
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): void {
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if (event != null) {
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args.push(event.transaction.hash.toHex())
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args.push(event.address.toHex())
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}
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for (let i = 0; i < args.length; i++) {
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message = message.concat(' {}')
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}
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log.info('@@@@@@ ' + message, args)
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}
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export function debuglog(
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message: string,
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event: ethereum.Event,
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args: Array<string>
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): void {
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if (!ENABLE_DEBUG) return
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_debuglog(message, event, args)
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}
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export function hexToDecimal(hexString: string, decimals: i32): BigDecimal {
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const bytes = Bytes.fromHexString(hexString.toString()).reverse() as Bytes
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const bi = BigInt.fromUnsignedBytes(bytes)
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const scale = BigInt.fromI32(10)
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.pow(decimals as u8)
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.toBigDecimal()
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return bi.divDecimal(scale)
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}
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export function bigIntToDecimal(amount: BigInt, decimals: i32): BigDecimal {
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const scale = BigInt.fromI32(10)
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.pow(decimals as u8)
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.toBigDecimal()
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return amount.toBigDecimal().div(scale)
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}
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export function tokenToDecimal(amount: BigDecimal, decimals: i32): BigDecimal {
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const scale = BigInt.fromI32(10)
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.pow(decimals as u8)
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.toBigDecimal()
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return amount.div(scale)
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}
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export function decimalToBigInt(value: BigDecimal): BigInt {
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value.truncate(18)
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const scale = BigInt.fromI32(10).pow((value.exp.toI32() + 18) as u8)
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return value.digits.times(scale)
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}
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export function updatePoolTokenBalance(
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poolToken: PoolToken,
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balance: BigDecimal,
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source: string
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): void {
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debuglog(
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'########## updating poolToken balance (source, oldBalance, newBalance, poolId) ',
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null,
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[source, poolToken.balance.toString(), balance.toString(), poolToken.poolId]
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)
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if (balance < ZERO_BD || poolToken.balance < ZERO_BD) {
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log.warning(
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'EEEEEEEEEEEEEEEEE poolToken.balance < Zero: pool={}, poolToken={}, oldBalance={}, newBalance={}',
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[
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poolToken.poolId,
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poolToken.tokenAddress.toString(),
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poolToken.balance.toString(),
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balance.toString()
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]
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)
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}
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poolToken.balance = balance
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}
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export function createUserEntity(address: string): void {
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if (User.load(address) == null) {
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const user = new User(address)
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user.save()
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}
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}
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export function createPoolShareEntity(
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id: string,
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pool: string,
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user: string
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): void {
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const poolShare = new PoolShare(id)
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createUserEntity(user)
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poolShare.userAddress = user
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poolShare.poolId = pool
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poolShare.balance = ZERO_BD
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poolShare.save()
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}
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export function createPoolTokenEntity(
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id: string,
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pool: string,
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address: string
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): void {
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const datatoken = Datatoken.load(address)
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const poolToken = new PoolToken(id)
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poolToken.poolId = pool
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poolToken.tokenId = datatoken ? datatoken.id : ''
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poolToken.tokenAddress = address
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poolToken.balance = ZERO_BD
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poolToken.denormWeight = ZERO_BD
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poolToken.save()
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}
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export function updatePoolTransactionToken(
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poolTx: string,
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poolTokenId: string,
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amount: BigDecimal,
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balance: BigDecimal,
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feeValue: BigDecimal
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): void {
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const ptx = PoolTransaction.load(poolTx)
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const poolToken = PoolToken.load(poolTokenId)
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const pool = PoolEntity.load(poolToken.poolId)
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const ptxTokenValuesId = poolTx.concat('-').concat(poolToken.tokenAddress)
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let ptxTokenValues = PoolTransactionTokenValues.load(ptxTokenValuesId)
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if (ptxTokenValues == null) {
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ptxTokenValues = new PoolTransactionTokenValues(ptxTokenValuesId)
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}
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ptxTokenValues.txId = poolTx
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ptxTokenValues.poolToken = poolTokenId
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ptxTokenValues.poolAddress = poolToken.poolId
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ptxTokenValues.userAddress = ptx.userAddress
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ptxTokenValues.tokenAddress = PoolToken.load(poolTokenId).tokenAddress
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ptxTokenValues.value = amount
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ptxTokenValues.tokenReserve = balance
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ptxTokenValues.feeValue = feeValue
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if (amount.lt(ZERO_BD)) {
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ptxTokenValues.type = 'out'
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} else {
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ptxTokenValues.type = 'in'
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}
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ptxTokenValues.save()
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if (ptxTokenValues.tokenAddress == OCEAN) {
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const factory = PoolFactory.load('1')
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factory.totalOceanLiquidity =
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factory.totalOceanLiquidity +
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ptxTokenValues.tokenReserve -
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pool.oceanReserve
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if (factory.totalOceanLiquidity < ZERO_BD || pool.oceanReserve < ZERO_BD) {
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log.warning(
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'EEEEEEEEEEEEEEEEE totalOceanLiquidity or oceanReserve < Zero: pool={}, totOcnLiq={}, ocnRes={}',
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[
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pool.id,
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factory.totalOceanLiquidity.toString(),
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pool.oceanReserve.toString()
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]
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)
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}
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ptx.oceanReserve = ptxTokenValues.tokenReserve
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pool.oceanReserve = ptxTokenValues.tokenReserve
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factory.save()
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} else {
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ptx.datatokenReserve = ptxTokenValues.tokenReserve
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pool.datatokenReserve = ptxTokenValues.tokenReserve
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}
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debuglog('########## updatePoolTransactionToken: ', null, [
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BigInt.fromI32(ptx.block).toString(),
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BigInt.fromI32(ptx.timestamp).toString(),
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ptxTokenValues.type,
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ptxTokenValues.value.toString(),
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ptxTokenValues.tokenReserve.toString(),
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poolToken.poolId
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])
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ptx.save()
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pool.save()
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}
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export function calcSpotPrice(
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balanceIn: BigDecimal,
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wIn: BigDecimal,
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balanceOut: BigDecimal,
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wOut: BigDecimal,
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swapFee: BigDecimal
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): BigDecimal {
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if (balanceIn <= ZERO_BD || balanceOut <= ZERO_BD) return MINUS_1_BD
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debuglog('################ calcSpotPrice', null, [
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balanceIn.toString(),
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wIn.toString(),
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balanceOut.toString(),
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wOut.toString(),
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swapFee.toString()
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])
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const numer = balanceIn.div(wIn)
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const denom = balanceOut.div(wOut)
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if (denom <= ZERO_BD) return MINUS_1_BD
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const ratio = numer.div(denom)
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const scale = ONE_BD.div(ONE_BD.minus(swapFee))
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const price = ratio.times(scale)
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price.truncate(18)
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debuglog('################ calcSpotPrice values:', null, [
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numer.toString(),
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denom.toString(),
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ratio.toString(),
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scale.toString(),
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price.toString()
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])
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return price
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}
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export function createPoolTransaction(
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event: ethereum.Event,
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// eslint-disable-next-line camelcase
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event_type: string,
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userAddress: string
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): void {
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const poolId = event.address.toHex()
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const pool = PoolEntity.load(poolId)
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const ptx = event.transaction.hash.toHexString()
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const ocnToken = PoolToken.load(poolId.concat('-').concat(OCEAN))
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const dtToken = PoolToken.load(
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poolId.concat('-').concat(pool.datatokenAddress)
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)
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if (ocnToken == null || dtToken == null) {
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return
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}
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let poolTx = PoolTransaction.load(ptx)
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if (poolTx != null) {
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return
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}
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poolTx = new PoolTransaction(ptx)
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poolTx.poolAddress = poolId
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poolTx.userAddress = userAddress
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poolTx.poolAddressStr = poolId
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poolTx.userAddressStr = userAddress
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poolTx.sharesTransferAmount = ZERO_BD
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poolTx.sharesBalance = ZERO_BD
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// pool.datatokenReserve = dtToken.balance
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// pool.oceanReserve = ocnToken.balance
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// Initial reserve values, will be updated in `updatePoolTransactionToken`
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poolTx.datatokenReserve = dtToken.balance
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poolTx.oceanReserve = ocnToken.balance
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const p = Pool.bind(Address.fromString(poolId))
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const priceResult = p.try_calcInGivenOut(
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decimalToBigInt(ocnToken.balance),
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decimalToBigInt(ocnToken.denormWeight),
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decimalToBigInt(dtToken.balance),
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decimalToBigInt(dtToken.denormWeight),
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ONE_BASE_18,
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decimalToBigInt(pool.swapFee)
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)
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debuglog(
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'args to calcInGivenOut (ocnBalance, ocnWeight, dtBalance, dtWeight, dtAmount, swapFee, result)',
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null,
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[
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decimalToBigInt(ocnToken.balance).toString(),
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decimalToBigInt(ocnToken.denormWeight).toString(),
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decimalToBigInt(dtToken.balance).toString(),
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decimalToBigInt(dtToken.denormWeight).toString(),
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ONE_BASE_18.toString(),
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decimalToBigInt(pool.swapFee).toString(),
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priceResult.reverted ? 'failed' : priceResult.value.toString()
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]
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)
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poolTx.consumePrice = priceResult.reverted
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? MINUS_1_BD
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: bigIntToDecimal(priceResult.value, 18)
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poolTx.spotPrice = calcSpotPrice(
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ocnToken.balance,
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ocnToken.denormWeight,
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dtToken.balance,
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dtToken.denormWeight,
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pool.swapFee
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)
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pool.consumePrice = poolTx.consumePrice
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pool.spotPrice = poolTx.spotPrice
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const oldValueLocked = pool.valueLocked
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const spotPrice = pool.spotPrice >= ZERO_BD ? pool.spotPrice : ZERO_BD
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pool.valueLocked = poolTx.oceanReserve + poolTx.datatokenReserve * spotPrice
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const factory = PoolFactory.load('1')
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if (oldValueLocked < ZERO_BD || pool.valueLocked < ZERO_BD) {
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log.warning(
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'EEEEEEEEEEEEEEEEE valueLocked < Zero: pool={}, oldVL={}, newVL={}, OCEAN={}, DT={}, spotPrice={}',
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[
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pool.id,
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oldValueLocked.toString(),
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pool.valueLocked.toString(),
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poolTx.oceanReserve.toString(),
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poolTx.datatokenReserve.toString(),
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pool.spotPrice.toString()
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]
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)
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}
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factory.totalValueLocked =
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factory.totalValueLocked - oldValueLocked + pool.valueLocked
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pool.transactionCount = pool.transactionCount.plus(BigInt.fromI32(1))
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pool.save()
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factory.save()
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debuglog(
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'updated pool reserves (source, dtBalance, ocnBalance, dtReserve, ocnReserve): ',
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event,
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[
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'createPoolTransaction',
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dtToken.balance.toString(),
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ocnToken.balance.toString(),
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pool.datatokenReserve.toString(),
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pool.oceanReserve.toString()
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]
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)
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poolTx.tx = event.transaction.hash
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// eslint-disable-next-line camelcase
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poolTx.event = event_type
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poolTx.block = event.block.number.toI32()
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poolTx.timestamp = event.block.timestamp.toI32()
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poolTx.gasUsed = event.transaction.gasUsed.toBigDecimal()
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poolTx.gasPrice = event.transaction.gasPrice.toBigDecimal()
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debuglog('####################### poolTransaction: ', event, [
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BigInt.fromI32(poolTx.block).toString(),
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BigInt.fromI32(poolTx.timestamp).toString(),
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pool.oceanReserve.toString()
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])
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poolTx.save()
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}
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export function decrPoolCount(finalized: boolean): void {
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const factory = PoolFactory.load('1')
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factory.poolCount -= 1
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if (finalized) factory.finalizedPoolCount -= 1
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factory.save()
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}
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export function saveTokenTransaction(
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event: ethereum.Event,
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eventName: string
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): void {
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const tx = event.transaction.hash
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.toHexString()
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.concat('-')
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.concat(event.logIndex.toString())
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const userAddress = event.transaction.from.toHex()
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let transaction = TokenTransaction.load(tx)
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if (transaction == null) {
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transaction = new TokenTransaction(tx)
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}
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transaction.event = eventName
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transaction.datatokenAddress = event.address.toHex()
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transaction.userAddress = userAddress
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transaction.gasUsed = event.transaction.gasUsed.toBigDecimal()
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transaction.gasPrice = event.transaction.gasPrice.toBigDecimal()
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transaction.tx = event.transaction.hash
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transaction.timestamp = event.block.timestamp.toI32()
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transaction.block = event.block.number.toI32()
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transaction.save()
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createUserEntity(userAddress)
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}
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export function updateTokenBalance(
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id: string,
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token: string,
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user: string,
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amount: BigDecimal
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): void {
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let tokenBalance = TokenBalance.load(id)
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if (tokenBalance == null) {
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tokenBalance = new TokenBalance(id)
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createUserEntity(user)
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tokenBalance.userAddress = user
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tokenBalance.datatokenId = token
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tokenBalance.balance = ZERO_BD
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}
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tokenBalance.balance = tokenBalance.balance.plus(amount)
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tokenBalance.save()
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}
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