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chore: Add user position calculation
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17 changes: 16 additions & 1 deletion
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subgraphs/user-position-v3/template/mappings/position-manager.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,19 +1,34 @@ | ||
| /* eslint-disable prefer-const */ | ||
| import { Address } from "@graphprotocol/graph-ts"; | ||
| import { | ||
| DecreaseLiquidity, | ||
| IncreaseLiquidity, | ||
| Transfer, | ||
| } from "../generated/NonfungiblePositionManager/NonfungiblePositionManager"; | ||
| import { loadTransaction } from "../utils"; | ||
| import { loadTransaction } from "../utils/schema"; | ||
| import { ADDRESS_ZERO } from "../utils/constants"; | ||
| import { UserPosition } from "../generated/schema"; | ||
|
|
||
| export function handleIncreaseLiquidity(event: IncreaseLiquidity): void { | ||
| let transaction = loadTransaction(event); | ||
| transaction.tokenId = event.params.tokenId; | ||
| transaction.save(); | ||
| } | ||
|
|
||
| export function handleDecreaseLiquidity(event: DecreaseLiquidity): void { | ||
| let transaction = loadTransaction(event); | ||
| transaction.tokenId = event.params.tokenId; | ||
| transaction.save(); | ||
| } | ||
|
|
||
| export function handleTransfer(event: Transfer): void { | ||
| let transaction = loadTransaction(event); | ||
| if (event.params.from.equals(Address.fromString(ADDRESS_ZERO))) { | ||
| transaction.positionOwner = event.params.to; | ||
| } else { | ||
| let userPosition = UserPosition.load(event.params.tokenId.toString()); | ||
| userPosition.owner = event.params.to; | ||
| userPosition.save(); | ||
| } | ||
| transaction.save(); | ||
| } |
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17 changes: 0 additions & 17 deletions
17
subgraphs/user-position-v3/template/utils/constants.template.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| /* eslint-disable prefer-const */ | ||
| import { BigInt, BigDecimal } from "@graphprotocol/graph-ts"; | ||
|
|
||
| export const ADDRESS_ZERO = "0x0000000000000000000000000000000000000000"; | ||
|
|
||
| export let ZERO_BI = BigInt.fromI32(0); | ||
| export let ONE_BI = BigInt.fromI32(1); | ||
| export let ZERO_BD = BigDecimal.fromString("0"); | ||
| export let ONE_BD = BigDecimal.fromString("1"); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| import { BigInt, Bytes, ethereum } from "@graphprotocol/graph-ts"; | ||
| import { Transaction, UserPosition } from "../generated/schema"; | ||
| import { ZERO_BI } from "./constants"; | ||
|
|
||
| export function loadTransaction(event: ethereum.Event): Transaction { | ||
| let transaction = Transaction.load(event.transaction.hash.toHexString()); | ||
| if (transaction === null) { | ||
| transaction = new Transaction(event.transaction.hash.toHexString()); | ||
| } | ||
| transaction.blockNumber = event.block.number; | ||
| transaction.timestamp = event.block.timestamp; | ||
| transaction.gasUsed = event.transaction.gasUsed; | ||
| transaction.gasPrice = event.transaction.gasPrice; | ||
| transaction.isPositionUpdated = false; | ||
| transaction.save(); | ||
| return transaction as Transaction; | ||
| } | ||
|
|
||
| export function updateUserPosition(tx: Transaction, poolId: string): void { | ||
| if ( | ||
| tx.isPositionUpdated === false && | ||
| tx.tickLower !== null && | ||
| tx.tickUpper !== null && | ||
| tx.tokenId !== null && | ||
| tx.positionOwner !== null && | ||
| (tx.increaseLiquidityAmount !== null || tx.decreaseLiquidityAmount !== null) | ||
| ) { | ||
| let userPosition = UserPosition.load(tx.tokenId.toString()); | ||
| if (userPosition === null) { | ||
| userPosition = new UserPosition(tx.tokenId.toString()); | ||
| userPosition.liquidity = ZERO_BI; | ||
| userPosition.pool = poolId; | ||
| } | ||
| userPosition.tickLower = tx.tickLower as BigInt; | ||
| userPosition.tickUpper = tx.tickUpper as BigInt; | ||
| userPosition.owner = tx.positionOwner as Bytes; | ||
| if (tx.increaseLiquidityAmount !== null) { | ||
| userPosition.liquidity = userPosition.liquidity.plus(tx.increaseLiquidityAmount as BigInt); | ||
| } | ||
| if (tx.decreaseLiquidityAmount !== null) { | ||
| userPosition.liquidity = userPosition.liquidity.minus(tx.decreaseLiquidityAmount as BigInt); | ||
| } | ||
|
|
||
| tx.isPositionUpdated = true; | ||
| tx.save(); | ||
| userPosition.save(); | ||
| } | ||
| } |
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