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feat(sdk-coin-apt): fungible asset transfer transaction
TICKET: COIN-2894
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72 changes: 72 additions & 0 deletions
72
modules/sdk-coin-apt/src/lib/transaction/fungibleAssetTransaction.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| import { Transaction } from './transaction'; | ||
| import { | ||
| AccountAddress, | ||
| Aptos, | ||
| AptosConfig, | ||
| EntryFunctionABI, | ||
| Network, | ||
| parseTypeTag, | ||
| TransactionPayload, | ||
| TransactionPayloadEntryFunction, | ||
| TypeTagAddress, | ||
| TypeTagU64, | ||
| } from '@aptos-labs/ts-sdk'; | ||
| import { InvalidTransactionError, TransactionRecipient, TransactionType } from '@bitgo/sdk-core'; | ||
| import { BaseCoin as CoinConfig, NetworkType } from '@bitgo/statics'; | ||
| import { FUNGIBLE_ASSET, FUNGIBLE_ASSET_FUNCTION } from '../constants'; | ||
|
|
||
| export class FungibleAssetTransaction extends Transaction { | ||
| constructor(coinConfig: Readonly<CoinConfig>) { | ||
| super(coinConfig); | ||
| this._type = TransactionType.SendToken; | ||
| } | ||
|
|
||
| protected parseTransactionPayload(payload: TransactionPayload): void { | ||
| if ( | ||
| !(payload instanceof TransactionPayloadEntryFunction) || | ||
| payload.entryFunction.args.length !== 3 || | ||
| payload.entryFunction.type_args.length === 0 || | ||
| FUNGIBLE_ASSET !== payload.entryFunction.type_args[0].toString() | ||
| ) { | ||
| throw new InvalidTransactionError('Invalid transaction payload'); | ||
| } | ||
| const entryFunction = payload.entryFunction; | ||
| if (!this._recipient) { | ||
| this._recipient = {} as TransactionRecipient; | ||
| } | ||
| this._assetId = entryFunction.args[0].toString(); | ||
| this._recipient.address = entryFunction.args[1].toString(); | ||
| const amountBuffer = Buffer.from(entryFunction.args[2].bcsToBytes()); | ||
| this._recipient.amount = amountBuffer.readBigUint64LE().toString(); | ||
| } | ||
|
|
||
| protected async buildRawTransaction(): Promise<void> { | ||
| const network: Network = this._coinConfig.network.type === NetworkType.MAINNET ? Network.MAINNET : Network.TESTNET; | ||
| const aptos = new Aptos(new AptosConfig({ network })); | ||
| const senderAddress = AccountAddress.fromString(this._sender); | ||
| const recipientAddress = AccountAddress.fromString(this._recipient.address); | ||
| const fungibleTokenAddress = this._assetId; | ||
|
|
||
| const faTransferAbi: EntryFunctionABI = { | ||
| typeParameters: [{ constraints: [] }], | ||
| parameters: [parseTypeTag('0x1::object::Object'), new TypeTagAddress(), new TypeTagU64()], | ||
| }; | ||
|
|
||
| const simpleTxn = await aptos.transaction.build.simple({ | ||
| sender: senderAddress, | ||
| data: { | ||
| function: FUNGIBLE_ASSET_FUNCTION, | ||
| typeArguments: [FUNGIBLE_ASSET], | ||
| functionArguments: [fungibleTokenAddress, recipientAddress, this.recipient.amount], | ||
| abi: faTransferAbi, | ||
| }, | ||
| options: { | ||
| maxGasAmount: this.maxGasAmount, | ||
| gasUnitPrice: this.gasUnitPrice, | ||
| expireTimestamp: this.expirationTime, | ||
| accountSequenceNumber: this.sequenceNumber, | ||
| }, | ||
| }); | ||
| this._rawTransaction = simpleTxn.rawTransaction; | ||
| } | ||
| } |
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71 changes: 15 additions & 56 deletions
71
modules/sdk-coin-apt/src/lib/transaction/transferTransaction.ts
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55 changes: 55 additions & 0 deletions
55
modules/sdk-coin-apt/src/lib/transactionBuilder/fungibleAssetTransactionBuilder.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| import { TransactionBuilder } from './transactionBuilder'; | ||
| import { BaseCoin as CoinConfig } from '@bitgo/statics'; | ||
| import { FungibleAssetTransaction } from '../transaction/fungibleAssetTransaction'; | ||
| import { TransactionType } from '@bitgo/sdk-core'; | ||
| import BigNumber from 'bignumber.js'; | ||
| import utils from '../utils'; | ||
| import { TransactionPayload, TransactionPayloadEntryFunction } from '@aptos-labs/ts-sdk'; | ||
| import { FUNGIBLE_ASSET } from '../constants'; | ||
|
|
||
| export class FungibleAssetTransactionBuilder extends TransactionBuilder { | ||
| constructor(_coinConfig: Readonly<CoinConfig>) { | ||
| super(_coinConfig); | ||
| this._transaction = new FungibleAssetTransaction(_coinConfig); | ||
| } | ||
|
|
||
| protected get transactionType(): TransactionType { | ||
| return TransactionType.SendToken; | ||
| } | ||
|
|
||
| /** @inheritdoc */ | ||
| validateTransaction(transaction?: FungibleAssetTransaction): void { | ||
| if (!transaction) { | ||
| throw new Error('fungible asset transaction not defined'); | ||
| } | ||
| super.validateTransaction(transaction); | ||
| this.validateAddress({ address: transaction.assetId }); | ||
| } | ||
|
|
||
| protected isValidTransactionPayload(payload: TransactionPayload) { | ||
| try { | ||
| if ( | ||
| !(payload instanceof TransactionPayloadEntryFunction) || | ||
| payload.entryFunction.args.length !== 3 || | ||
| payload.entryFunction.type_args.length === 0 || | ||
| FUNGIBLE_ASSET !== payload.entryFunction.type_args[0].toString() | ||
| ) { | ||
| console.error('invalid transaction payload'); | ||
| return false; | ||
| } | ||
| const entryFunction = payload.entryFunction; | ||
| const fungibleTokenAddress = entryFunction.args[0].toString(); | ||
| const recipientAddress = entryFunction.args[1].toString(); | ||
| const amountBuffer = Buffer.from(entryFunction.args[2].bcsToBytes()); | ||
| const recipientAmount = new BigNumber(amountBuffer.readBigUint64LE().toString()); | ||
| return ( | ||
| utils.isValidAddress(recipientAddress) && | ||
| utils.isValidAddress(fungibleTokenAddress) && | ||
| !recipientAmount.isLessThan(0) | ||
| ); | ||
| } catch (e) { | ||
| console.error('invalid transaction payload', e); | ||
| return false; | ||
| } | ||
| } | ||
| } |
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