diff --git a/src/heuristics/erc1155Purchase.spec.ts b/src/heuristics/erc1155Purchase.spec.ts index 7fe978fa..3328a9fd 100644 --- a/src/heuristics/erc1155Purchase.spec.ts +++ b/src/heuristics/erc1155Purchase.spec.ts @@ -1,11 +1,11 @@ import { Transaction } from '../types'; import { detectERC1155Purchase } from './erc1155Purchase'; -import erc1155Purchase0x16b2334d from '../test/transactions/erc1155Purchase-0x16b2334d.json'; +import erc1155Purchase0x156df9f7 from '../test/transactions/erc1155Purchase-0x156df9f7.json'; describe('ERC1155 Purchase', () => { it('Should detect ERC1155 Purchase transaction', () => { const isERC1155Purchase1 = detectERC1155Purchase( - erc1155Purchase0x16b2334d as Transaction, + erc1155Purchase0x156df9f7 as Transaction, ); expect(isERC1155Purchase1).toBe(true); }); diff --git a/src/heuristics/erc1155Sale.spec.ts b/src/heuristics/erc1155Sale.spec.ts new file mode 100644 index 00000000..9e4cf795 --- /dev/null +++ b/src/heuristics/erc1155Sale.spec.ts @@ -0,0 +1,12 @@ +import { Transaction } from '../types'; +import { detectERC1155Sale } from './erc1155Sale'; +import erc1155Sale0x16b2334d from '../test/transactions/erc1155Sale-0x16b2334d.json'; + +describe('ERC1155 Sale', () => { + it('Should detect ERC1155 Sale transaction', () => { + const isERC1155Sale1 = detectERC1155Sale( + erc1155Sale0x16b2334d as Transaction, + ); + expect(isERC1155Sale1).toBe(true); + }); +}); diff --git a/src/heuristics/erc1155Sale.ts b/src/heuristics/erc1155Sale.ts new file mode 100644 index 00000000..94dcf6b0 --- /dev/null +++ b/src/heuristics/erc1155Sale.ts @@ -0,0 +1,148 @@ +import { ethers } from 'ethers'; +import { Asset, Transaction } from '../types'; + +export function erc1155SaleContextualizer( + transaction: Transaction, +): Transaction { + const isERC1155Sale = detectERC1155Sale(transaction); + if (!isERC1155Sale) return transaction; + + return generateERC1155SaleContext(transaction); +} + +/** + * Detection criteria + * + * A tx is an ERC1155 sale when the tx.from sends and receives exactly 1 asset (look at netAssetTransfers). + * The tx.from must send exactly 1 ERC1155, where the value (special to 1155s) can be arbitrary + * The tx.from must receive either ETH/WETH/Blur ETH + * There are no other recipients of ERC721/ERC20s/ERC1155s. + */ +export function detectERC1155Sale(transaction: Transaction): boolean { + /** + * There is a degree of overlap between the 'detect' and 'generateContext' functions, + * and while this might seem redundant, maintaining the 'detect' function aligns with + * established patterns in our other modules. This consistency is beneficial, + * and it also serves to decouple the logic, thereby simplifying the testing process + */ + + if (!transaction.netAssetTransfers) return false; + + const addresses = transaction.netAssetTransfers + ? Object.keys(transaction.netAssetTransfers) + : []; + // check if transfer.from sent and received one asset + const transfers = transaction.netAssetTransfers[transaction.from]; + const nftsSent = transfers.sent.filter((t) => t.type === 'erc1155'); + const tokenReceived = transfers.received.filter( + (t) => t.type === 'eth' || t.type === 'erc20', + ); + + if (nftsSent.length > 0 && tokenReceived.length > 0) { + return true; + } + + return false; +} + +function generateERC1155SaleContext(transaction: Transaction): Transaction { + const receivingAddresses: string[] = []; + const receivedNfts: Asset[] = []; + const sentPayments: { type: string; asset: string; value: string }[] = []; + + for (const [address, data] of Object.entries(transaction.netAssetTransfers)) { + const nftTransfers = data.received.filter((t) => t.type === 'erc1155'); + const paymentTransfers = data.sent.filter( + (t) => t.type === 'erc20' || t.type === 'eth', + ); + if (nftTransfers.length > 0) { + receivingAddresses.push(address); + nftTransfers.forEach((nft) => receivedNfts.push(nft)); + } + if (paymentTransfers.length > 0) { + paymentTransfers.forEach((payment) => + sentPayments.push({ + type: payment.type, + asset: payment.asset, + value: payment.value, + }), + ); + } + } + + const receivedNftContracts = Array.from( + new Set(receivedNfts.map((x) => x.asset)), + ); + const totalPayments = Object.values( + sentPayments.reduce((acc, next) => { + acc[next.asset] = { + type: next.type, + asset: next.asset, + value: ethers.BigNumber.from(acc[next.asset]?.value || '0') + .add(next.value) + .toString(), + }; + return acc; + }, {}), + ) as { type: 'eth' | 'erc20'; asset: string; value: string }[]; + + transaction.context = { + variables: { + userOrUsers: { + type: receivingAddresses.length > 1 ? 'emphasis' : 'address', + value: + receivingAddresses.length > 1 + ? `${receivingAddresses.length} Users` + : receivingAddresses[0], + }, + tokenOrTokens: + receivedNfts.length === 1 + ? { + type: 'erc1155', + token: receivedNfts[0].asset, + tokenId: receivedNfts[0].tokenId, + value: receivedNfts[0].value, + } + : receivedNftContracts.length === 1 + ? { + type: 'address', + value: receivedNftContracts[0], + } + : { + type: 'emphasis', + value: `${receivedNfts.length} NFTs`, + }, + price: + totalPayments.length > 1 + ? { + type: 'emphasis', + value: `${totalPayments.length} Assets`, + } + : totalPayments[0].type === 'eth' + ? { + type: 'eth', + value: totalPayments[0].value, + } + : { + type: 'erc20', + token: totalPayments[0].asset, + value: totalPayments[0].value, + }, + }, + summaries: { + category: 'NFT', + en: { + title: 'NFT Purchase', + default: '[[userOrUsers]] [[bought]] [[tokenOrTokens]] for [[price]]', + variables: { + bought: { + type: 'contextAction', + value: 'bought', + }, + }, + }, + }, + }; + + return transaction; +} diff --git a/src/heuristics/erc1155Swap.ts b/src/heuristics/erc1155Swap.ts deleted file mode 100644 index 73d77b86..00000000 --- a/src/heuristics/erc1155Swap.ts +++ /dev/null @@ -1,100 +0,0 @@ -import { Transaction } from '../types'; -import { TOKEN_SWAP_CONTRACTS } from '../helpers/constants'; - -export function erc1155SwapContextualizer( - transaction: Transaction, -): Transaction { - const isERC1155Purchase = detectERC1155Swap(transaction); - if (!isERC1155Purchase) return transaction; - - return generateERC1155SwapContext(transaction); -} - -function detectERC1155Swap(transaction: Transaction): boolean { - /** - * There is a degree of overlap between the 'detect' and 'generateContext' functions, - * and while this might seem redundant, maintaining the 'detect' function aligns with - * established patterns in our other modules. This consistency is beneficial, - * and it also serves to decouple the logic, thereby simplifying the testing process - */ - - // Break if this transaction isn't to a token swap contract - if (TOKEN_SWAP_CONTRACTS.indexOf(transaction.to) === -1) { - return false; - } - - const addresses = transaction.netAssetTransfers - ? Object.keys(transaction.netAssetTransfers) - : []; - - for (let i = 0; i < addresses.length; i++) { - const address = addresses[i]; - const sent = transaction.netAssetTransfers[address].sent; - const received = transaction.netAssetTransfers[address].received; - - const sentCount = sent?.length || 0; - const receivedCount = received?.length || 0; - if (sentCount === 1 && receivedCount === 1) { - if (transaction.netAssetTransfers[address].sent[0].type === 'erc1155') { - return true; - } - } - } - - return false; -} - -function generateERC1155SwapContext(transaction: Transaction): Transaction { - const addresses = transaction.netAssetTransfers - ? Object.keys(transaction.netAssetTransfers) - : []; - - for (let i = 0; i < addresses.length; i++) { - const address = addresses[i]; - const sent = transaction.netAssetTransfers[address].sent; - const received = transaction.netAssetTransfers[address].received; - - const sentCount = sent?.length || 0; - const receivedCount = received?.length || 0; - if (sentCount === 1 && receivedCount === 1) { - if (transaction.netAssetTransfers[address].sent[0].type === 'erc1155') { - transaction.context = { - variables: { - swapper: { - type: 'address', - value: address, - }, - sentToken: { - token: sent[0].asset, - type: sent[0].type, - value: sent[0].value, - }, - receivedToken: { - token: received[0].asset, - type: received[0].type, - value: received[0].value, - }, - }, - summaries: { - category: 'NFT', - en: { - title: 'ERC1155 Swap', - default: - '[[swapper]] [[swapped]] [[sentToken]] for [[receivedToken]]', - variables: { - swapped: { - type: 'contextAction', - value: 'swapped', - }, - }, - }, - }, - }; - - break; - } - } - } - - return transaction; -} diff --git a/src/heuristics/erc721Purchase.spec.ts b/src/heuristics/erc721Purchase.spec.ts index e0521109..c4c1d61b 100644 --- a/src/heuristics/erc721Purchase.spec.ts +++ b/src/heuristics/erc721Purchase.spec.ts @@ -4,8 +4,6 @@ import { generateERC21PurchaseContext, } from './erc721Purchase'; import erc721Purchase0x2558f104 from '../test/transactions/erc721Purchase-0x2558f104.json'; -import erc721Purchase0x05b8cee6 from '../test/transactions/erc721Purchase-0x05b8cee6.json'; -import erc721Purchase0xdeba4248 from '../test/transactions/erc721Purchase-0xdeba4248.json'; describe('ERC721 Purchase', () => { it('Should detect ERC721 Purchase transaction', () => { @@ -13,21 +11,5 @@ describe('ERC721 Purchase', () => { erc721Purchase0x2558f104 as Transaction, ); expect(isERC721Purchase1).toBe(true); - - const isERC721Purchase2 = detectERC721Purchase( - erc721Purchase0x05b8cee6 as Transaction, - ); - expect(isERC721Purchase2).toBe(true); - const isERC721Purchase3 = detectERC721Purchase( - erc721Purchase0xdeba4248 as Transaction, - ); - expect(isERC721Purchase3).toBe(true); - }); - - it('Should create ERC721 Purchase context', () => { - const result1 = generateERC21PurchaseContext( - erc721Purchase0xdeba4248 as Transaction, - ); - expect(result1.context.summaries.en.title).toBe('NFT Purchase'); }); }); diff --git a/src/heuristics/erc721Purchase.ts b/src/heuristics/erc721Purchase.ts index 9352e891..9a974e7b 100644 --- a/src/heuristics/erc721Purchase.ts +++ b/src/heuristics/erc721Purchase.ts @@ -11,6 +11,14 @@ export function erc721PurchaseContextualizer( return generateERC21PurchaseContext(transaction); } +/** + * Detection criteria + * + * Transaction.from sends ETH/WETH/blur eth and receives only NFTs. + * Nothing is minted (exception being weth) + * In netAssetTransfers, the address that sent the NFTs receives either eth/weth/blur eth. + * The rest of the parties only receive eth/weth/blur eth (royalties/fees) + */ export function detectERC721Purchase(transaction: Transaction): boolean { /** * There is a degree of overlap between the 'detect' and 'generateContext' functions, @@ -20,29 +28,14 @@ export function detectERC721Purchase(transaction: Transaction): boolean { */ if (!transaction.netAssetTransfers) return false; - const addresses = transaction.netAssetTransfers - ? Object.keys(transaction.netAssetTransfers) - : []; - - for (const address of addresses) { - const transfers = transaction.netAssetTransfers[address]; - const nftsReceived = transfers.received.filter((t) => t.type === 'erc721'); - const nftsSent = transfers.sent.filter((t) => t.type === 'erc721'); - - const ethOrErc20Sent = transfers.sent.filter( - (t) => t.type === 'eth' || t.type === 'erc20', - ); - const ethOrErc20Received = transfers.received.filter( - (t) => t.type === 'eth' || t.type === 'erc20', - ); - - if (nftsReceived.length > 0 && ethOrErc20Sent.length > 0) { - return true; - } + const transfers = transaction.netAssetTransfers[transaction.from]; + const nftsReceived = transfers.received.filter((t) => t.type === 'erc721'); + const tokenSent = transfers.sent.filter( + (t) => t.type === 'eth' || t.type === 'erc20', + ); - if (nftsSent.length > 0 && ethOrErc20Received.length > 0) { - return true; - } + if (nftsReceived.length > 0 && tokenSent.length > 0) { + return true; } return false; diff --git a/src/heuristics/erc721Sale.spec.ts b/src/heuristics/erc721Sale.spec.ts new file mode 100644 index 00000000..803db467 --- /dev/null +++ b/src/heuristics/erc721Sale.spec.ts @@ -0,0 +1,10 @@ +import { Transaction } from '../types'; +import { detectERC721Sale } from './erc721Sale'; +import erc721Sale0x05b8cee6 from '../test/transactions/erc721Sale-0x05b8cee6.json'; + +describe('ERC721 Sale', () => { + it('Should detect ERC721 Sale transaction', () => { + const isERC721Sale1 = detectERC721Sale(erc721Sale0x05b8cee6 as Transaction); + expect(isERC721Sale1).toBe(true); + }); +}); diff --git a/src/heuristics/erc721Sale.ts b/src/heuristics/erc721Sale.ts new file mode 100644 index 00000000..1b129d54 --- /dev/null +++ b/src/heuristics/erc721Sale.ts @@ -0,0 +1,147 @@ +import { ethers } from 'ethers'; +import { Asset, Transaction } from '../types'; + +export function erc721SaleContextualizer( + transaction: Transaction, +): Transaction { + const isERC721SaleTransaction = detectERC721Sale(transaction); + + if (!isERC721SaleTransaction) return transaction; + + return generateERC21SaleContext(transaction); +} + +/** + * Detection criteria + * + * Transaction.from receives ETH/WETH/blur eth and sends only NFTs. + * Nothing is minted (exception being weth) + * In netAssetTransfers, the address that sent the NFTs receives either eth/weth/blur eth. + * The rest of the parties only receive eth/weth/blur eth (royalties/fees) + */ +export function detectERC721Sale(transaction: Transaction): boolean { + /** + * There is a degree of overlap between the 'detect' and 'generateContext' functions, + * and while this might seem redundant, maintaining the 'detect' function aligns with + * established patterns in our other modules. This consistency is beneficial, + * and it also serves to decouple the logic, thereby simplifying the testing process + */ + if (!transaction.netAssetTransfers) return false; + + const addresses = transaction.netAssetTransfers + ? Object.keys(transaction.netAssetTransfers) + : []; + + const transfers = transaction.netAssetTransfers[transaction.from]; + const nftsSent = transfers.sent.filter((t) => t.type === 'erc721'); + const tokenReceived = transfers.received.filter( + (t) => t.type === 'eth' || t.type === 'erc20', + ); + + if (nftsSent.length > 0 && tokenReceived.length > 0) { + return true; + } + + return false; +} + +function generateERC21SaleContext(transaction: Transaction): Transaction { + const receivingAddresses: string[] = []; + const receivedNfts: Asset[] = []; + const sentPayments: { type: string; asset: string; value: string }[] = []; + + for (const [address, data] of Object.entries(transaction.netAssetTransfers)) { + const nftTransfers = data.received.filter((t) => t.type === 'erc721'); + const paymentTransfers = data.sent.filter( + (t) => t.type === 'erc20' || t.type === 'eth', + ); + if (nftTransfers.length > 0) { + receivingAddresses.push(address); + nftTransfers.forEach((nft) => receivedNfts.push(nft)); + } + if (paymentTransfers.length > 0) { + paymentTransfers.forEach((payment) => + sentPayments.push({ + type: payment.type, + asset: payment.asset, + value: payment.value, + }), + ); + } + } + + const receivedNftContracts = Array.from( + new Set(receivedNfts.map((x) => x.asset)), + ); + const totalPayments = Object.values( + sentPayments.reduce((acc, next) => { + acc[next.asset] = { + type: next.type, + asset: next.asset, + value: ethers.BigNumber.from(acc[next.asset]?.value || '0') + .add(next.value) + .toString(), + }; + return acc; + }, {}), + ) as { type: 'eth' | 'erc20'; asset: string; value: string }[]; + + transaction.context = { + variables: { + userOrUsers: { + type: receivingAddresses.length > 1 ? 'emphasis' : 'address', + value: + receivingAddresses.length > 1 + ? `${receivingAddresses.length} Users` + : receivingAddresses[0], + }, + tokenOrTokens: + receivedNfts.length === 1 + ? { + type: 'erc721', + token: receivedNfts[0].asset, + tokenId: receivedNfts[0].tokenId, + } + : receivedNftContracts.length === 1 + ? { + type: 'address', + value: receivedNftContracts[0], + } + : { + type: 'emphasis', + value: `${receivedNfts.length} NFTs`, + }, + price: + totalPayments.length > 1 + ? { + type: 'emphasis', + value: `${totalPayments.length} Assets`, + } + : totalPayments[0].type === 'eth' + ? { + type: 'eth', + value: totalPayments[0].value, + } + : { + type: 'erc20', + token: totalPayments[0].asset, + value: totalPayments[0].value, + }, + }, + summaries: { + category: 'NFT', + en: { + title: 'NFT Purchase', + default: '[[userOrUsers]] [[bought]] [[tokenOrTokens]] for [[price]]', + variables: { + bought: { + type: 'contextAction', + value: 'bought', + }, + }, + }, + }, + }; + + return transaction; +} diff --git a/src/heuristics/erc721Swap.ts b/src/heuristics/erc721Swap.ts deleted file mode 100644 index 4912b0da..00000000 --- a/src/heuristics/erc721Swap.ts +++ /dev/null @@ -1,99 +0,0 @@ -import { Transaction } from '../types'; -import { TOKEN_SWAP_CONTRACTS } from '../helpers/constants'; - -export function erc721SwapContextualizer( - transaction: Transaction, -): Transaction { - const isERC721SwapTx = detectERC721Swap(transaction); - if (!isERC721SwapTx) return transaction; - - return generateERC721SwapContext(transaction); -} - -function detectERC721Swap(transaction: Transaction): boolean { - /** - * There is a degree of overlap between the 'detect' and 'generateContext' functions, - * and while this might seem redundant, maintaining the 'detect' function aligns with - * established patterns in our other modules. This consistency is beneficial, - * and it also serves to decouple the logic, thereby simplifying the testing process - */ - // Break if this transaction isn't to a token swap contract - if (TOKEN_SWAP_CONTRACTS.indexOf(transaction.to) === -1) { - return false; - } - - const addresses = transaction.netAssetTransfers - ? Object.keys(transaction.netAssetTransfers) - : []; - - for (let i = 0; i < addresses.length; i++) { - const address = addresses[i]; - const sent = transaction.netAssetTransfers[address].sent; - const received = transaction.netAssetTransfers[address].received; - - const sentCount = sent?.length || 0; - const receivedCount = received?.length || 0; - if (sentCount === 1 && receivedCount === 1) { - if (transaction.netAssetTransfers[address].sent[0].type === 'erc721') { - return true; - } - } - } - - return false; -} - -function generateERC721SwapContext(transaction: any) { - const addresses = transaction.netAssetTransfers - ? Object.keys(transaction.netAssetTransfers) - : []; - - for (let i = 0; i < addresses.length; i++) { - const address = addresses[i]; - const sent = transaction.netAssetTransfers[address].sent; - const received = transaction.netAssetTransfers[address].received; - - const sentCount = sent?.length || 0; - const receivedCount = received?.length || 0; - if (sentCount === 1 && receivedCount === 1) { - if (transaction.netAssetTransfers[address].sent[0].type === 'erc721') { - transaction.context = { - variables: { - swapper: { - type: 'address', - value: address, - }, - sentToken: { - token: sent[0].asset, - type: sent[0].type, - value: sent[0].value, - }, - receivedToken: { - token: received[0].asset, - type: received[0].type, - value: received[0].value, - }, - }, - summaries: { - category: 'NFT', - en: { - title: 'ERC721 Swap', - default: - '[[swapper]] [[swapped]] [[sentToken]] for [[receivedToken]]', - variables: { - swapped: { - type: 'contextAction', - value: 'swapped', - }, - }, - }, - }, - }; - - break; - } - } - } - - return transaction; -} diff --git a/src/heuristics/index.ts b/src/heuristics/index.ts index 853c0f23..4fcdf289 100644 --- a/src/heuristics/index.ts +++ b/src/heuristics/index.ts @@ -2,9 +2,7 @@ export * from './cancelPendingTransaction'; export * from './contractDeployment'; export * from './erc20Swap'; export * from './erc721Purchase'; -export * from './erc721Swap'; export * from './erc1155Purchase'; -export * from './erc1155Swap'; export * from './ethTransfer'; export * from './idm'; export * from './tokenAirdrop'; diff --git a/src/test/transactions/erc1155Purchase-0x156df9f7.json b/src/test/transactions/erc1155Purchase-0x156df9f7.json new file mode 100644 index 00000000..2e20888b --- /dev/null +++ b/src/test/transactions/erc1155Purchase-0x156df9f7.json @@ -0,0 +1,707 @@ +{ + "blockHash": "0x1dafbe13d2405cfa0211f2e24387b138b5e2c557cb0e8da5f5d59c0de0abe054", + "blockNumber": 17867693, + "from": "0x02085755fa2636a2d6bfb11d98a07618231a1c8d", + "gas": 333187, + "gasPrice": "25247528479", + "maxFeePerGas": "33350484205", + "maxPriorityFeePerGas": "100000000", + "hash": "0x156d113afa25d937390a95cc9fb9106e9ac4805a719a9a44dd1c54ac3cf3f9f7", + "input": 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a/src/test/transactions/erc1155Purchase-0x16b2334d.json b/src/test/transactions/erc1155Sale-0x16b2334d.json similarity index 100% rename from src/test/transactions/erc1155Purchase-0x16b2334d.json rename to src/test/transactions/erc1155Sale-0x16b2334d.json diff --git a/src/test/transactions/erc721Purchase-0x05b8cee6.json b/src/test/transactions/erc721Sale-0x05b8cee6.json similarity index 100% rename from src/test/transactions/erc721Purchase-0x05b8cee6.json rename to src/test/transactions/erc721Sale-0x05b8cee6.json