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feat: Pancake Squad subgraph (pancakeswap#102)
* feat: CAKE Club subgraph * fix(cake-club): Import statement * fix(cake-club): Gas Price as BigDecimal * feat(cake-club): Owner full-text search * chore(cake-club): Rebranding to Pancake Squad * feat(cake-club): Improve entities saving * chore(cake-club): Comments * feat(cake-club): Add Creator property * feat(cake-club): Add Total Tokens Minted property * feat(cake-club): Modify createdAt/updatedAt properties * chore(cake-club): Rename Creator to Minter * feat(cake-club): Add Transaction Hash property * fix(cake-club): Total Tokens property * feat(cake-club): Add Name/Symbol/TokenUri properties
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| [ | ||
| { | ||
| "inputs": [], | ||
| "name": "name", | ||
| "outputs": [ | ||
| { | ||
| "internalType": "string", | ||
| "name": "", | ||
| "type": "string" | ||
| } | ||
| ], | ||
| "stateMutability": "view", | ||
| "type": "function" | ||
| }, | ||
| { | ||
| "inputs": [], | ||
| "name": "symbol", | ||
| "outputs": [ | ||
| { | ||
| "internalType": "string", | ||
| "name": "", | ||
| "type": "string" | ||
| } | ||
| ], | ||
| "stateMutability": "view", | ||
| "type": "function" | ||
| }, | ||
| { | ||
| "inputs": [ | ||
| { | ||
| "internalType": "uint256", | ||
| "name": "tokenId", | ||
| "type": "uint256" | ||
| } | ||
| ], | ||
| "name": "tokenURI", | ||
| "outputs": [ | ||
| { | ||
| "internalType": "string", | ||
| "name": "", | ||
| "type": "string" | ||
| } | ||
| ], | ||
| "stateMutability": "view", | ||
| "type": "function" | ||
| }, | ||
| { | ||
| "anonymous": false, | ||
| "inputs": [ | ||
| { | ||
| "indexed": true, | ||
| "internalType": "address", | ||
| "name": "from", | ||
| "type": "address" | ||
| }, | ||
| { | ||
| "indexed": true, | ||
| "internalType": "address", | ||
| "name": "to", | ||
| "type": "address" | ||
| }, | ||
| { | ||
| "indexed": true, | ||
| "internalType": "uint256", | ||
| "name": "tokenId", | ||
| "type": "uint256" | ||
| } | ||
| ], | ||
| "name": "Transfer", | ||
| "type": "event" | ||
| } | ||
| ] |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| /* eslint-disable prefer-const */ | ||
| import { Address, BigInt } from "@graphprotocol/graph-ts"; | ||
| import { Contract, Owner, Token, Transaction } from "../generated/schema"; | ||
| import { Transfer } from "../generated/ERC721/ERC721"; | ||
| import { toBigDecimal } from "./utils"; | ||
| import { fetchName, fetchSymbol, fetchTokenUri } from "./utils/erc-721"; | ||
|
|
||
| // Constants | ||
| let CONTRACT_ADDRESS = "0x0000000000000000000000000000000000001000"; | ||
| let ZERO_ADDRESS = "0x0000000000000000000000000000000000000000"; | ||
|
|
||
| // BigNumber-like references | ||
| let ZERO_BI = BigInt.fromI32(0); | ||
| let ONE_BI = BigInt.fromI32(1); | ||
|
|
||
| export function handleTransfer(event: Transfer): void { | ||
| let contract = Contract.load(CONTRACT_ADDRESS); | ||
| if (contract === null) { | ||
| // Contract | ||
| contract = new Contract(CONTRACT_ADDRESS); | ||
| contract.name = fetchName(); | ||
| contract.symbol = fetchSymbol(); | ||
| contract.totalTokens = ZERO_BI; | ||
| contract.totalOwners = ZERO_BI; | ||
| contract.totalTransactions = ZERO_BI; | ||
| contract.save(); | ||
| } | ||
| contract.totalTransactions = contract.totalTransactions.plus(ONE_BI); | ||
| contract.save(); | ||
|
|
||
| let from = Owner.load(event.params.from.toHex()); | ||
| if (from === null) { | ||
| // Owner - as Sender | ||
| from = new Owner(event.params.from.toHex()); | ||
| from.totalTokens = ZERO_BI; | ||
| from.totalTokensMinted = ZERO_BI; | ||
| from.totalTransactions = ZERO_BI; | ||
| from.block = event.block.number; | ||
| from.createdAt = event.block.timestamp; | ||
| from.updatedAt = event.block.timestamp; | ||
| from.save(); | ||
|
|
||
| // Contract | ||
| contract.totalOwners = contract.totalOwners.plus(ONE_BI); | ||
| contract.save(); | ||
| } | ||
| from.totalTokens = event.params.from.equals(Address.fromString(ZERO_ADDRESS)) | ||
| ? from.totalTokens | ||
| : from.totalTokens.minus(ONE_BI); | ||
| from.totalTransactions = from.totalTransactions.plus(ONE_BI); | ||
| from.updatedAt = event.block.timestamp; | ||
| from.save(); | ||
|
|
||
| let to = Owner.load(event.params.to.toHex()); | ||
| if (to === null) { | ||
| // Owner - as Receiver | ||
| to = new Owner(event.params.to.toHex()); | ||
| to.totalTokens = ZERO_BI; | ||
| to.totalTokensMinted = ZERO_BI; | ||
| to.totalTransactions = ZERO_BI; | ||
| to.block = event.block.number; | ||
| to.createdAt = event.block.timestamp; | ||
| to.updatedAt = event.block.timestamp; | ||
| to.save(); | ||
|
|
||
| // Contract | ||
| contract.totalOwners = contract.totalOwners.plus(ONE_BI); | ||
| contract.save(); | ||
| } | ||
| to.totalTokens = to.totalTokens.plus(ONE_BI); | ||
| to.totalTransactions = to.totalTransactions.plus(ONE_BI); | ||
| to.updatedAt = event.block.timestamp; | ||
| to.save(); | ||
|
|
||
| let token = Token.load(event.params.tokenId.toString()); | ||
| if (token === null) { | ||
| // Token | ||
| token = new Token(event.params.tokenId.toString()); | ||
| token.minter = to.id; | ||
| token.owner = to.id; | ||
| token.burned = false; | ||
| token.uri = fetchTokenUri(event.params.tokenId); | ||
| token.totalTransactions = ZERO_BI; | ||
| token.block = event.block.number; | ||
| token.createdAt = event.block.timestamp; | ||
| token.updatedAt = event.block.timestamp; | ||
| token.save(); | ||
|
|
||
| // Owner - as Receiver | ||
| to.totalTokensMinted = to.totalTokensMinted.plus(ONE_BI); | ||
| to.save(); | ||
|
|
||
| // Contract | ||
| contract.totalTokens = contract.totalTokens.plus(ONE_BI); | ||
| contract.save(); | ||
| } | ||
| token.owner = to.id; | ||
| token.burned = event.params.to.equals(Address.fromString(ZERO_ADDRESS)); | ||
| token.totalTransactions = token.totalTransactions.plus(ONE_BI); | ||
| token.updatedAt = event.block.timestamp; | ||
| token.save(); | ||
|
|
||
| // Transaction | ||
| let transaction = new Transaction(event.transaction.hash.toHex()); | ||
| transaction.hash = event.transaction.hash; | ||
| transaction.from = from.id; | ||
| transaction.to = to.id; | ||
| transaction.token = token.id; | ||
| transaction.gasUsed = event.transaction.gasUsed; | ||
| transaction.gasPrice = toBigDecimal(event.transaction.gasPrice, 9); | ||
| transaction.block = event.block.number; | ||
| transaction.timestamp = event.block.timestamp; | ||
| transaction.save(); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| /* eslint-disable prefer-const */ | ||
| import { BigInt, dataSource } from "@graphprotocol/graph-ts"; | ||
| import { ERC721 } from "../../generated/ERC721/ERC721"; | ||
|
|
||
| export function fetchName(): string { | ||
| let contract = ERC721.bind(dataSource.address()); | ||
|
|
||
| let nameResult = contract.try_name(); | ||
| if (!nameResult.reverted) { | ||
| return nameResult.value; | ||
| } | ||
|
|
||
| return "unknown"; | ||
| } | ||
|
|
||
| export function fetchSymbol(): string { | ||
| let contract = ERC721.bind(dataSource.address()); | ||
|
|
||
| let symbolResult = contract.try_symbol(); | ||
| if (!symbolResult.reverted) { | ||
| return symbolResult.value; | ||
| } | ||
|
|
||
| return "unknown"; | ||
| } | ||
|
|
||
| export function fetchTokenUri(tokenID: BigInt): string | null { | ||
| let contract = ERC721.bind(dataSource.address()); | ||
|
|
||
| let uriResult = contract.try_tokenURI(tokenID); | ||
| if (!uriResult.reverted) { | ||
| return uriResult.value; | ||
| } | ||
|
|
||
| return null; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| /* eslint-disable prefer-const */ | ||
| import { BigDecimal, BigInt } from "@graphprotocol/graph-ts"; | ||
|
|
||
| export function toBigDecimal(quantity: BigInt, decimals: i32 = 18): BigDecimal { | ||
| return quantity.divDecimal( | ||
| BigInt.fromI32(10) | ||
| .pow(decimals as u8) | ||
| .toBigDecimal() | ||
| ); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| { | ||
| "name": "pancake-squad", | ||
| "description": "PancakeSwap Subgraph", | ||
| "version": "1.0.0", | ||
| "repository": "[email protected]:pancakeswap/pancake-subgraph.git", | ||
| "author": "PancakeSwap", | ||
| "license": "MIT", | ||
| "scripts": { | ||
| "codegen": "graph codegen subgraph.yaml", | ||
| "build": "graph build subgraph.yaml", | ||
| "deploy": "graph deploy --product hosted-service --node https://api.thegraph.com/deploy/ --ipfs https://api.thegraph.com/ipfs/ pancakeswap/pancake-squad subgraph.yaml" | ||
| } | ||
| } |
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