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feat: Add native NEP-141 bridge to Ethereum. (#96)
* fix: Poll getTransaction. Fixes error when sending tx from different provider (WalletConnect). * feat: Add native NEP-141 bridge to Ethereum. * chore: Fix lint. * docs: Add mainnet deployment. * fix: Increase finalization on NEAR gas limit. * feat: Pay storage balance before NEP-141 unlock. * fix: Use new contract abi. * fix: Handle any NEP-141 metadata log receipt order.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| releases: | ||
| "@near-eth/aurora-erc20": patch | ||
| "@near-eth/aurora-ether": patch | ||
| "@near-eth/aurora-nep141": patch | ||
| "@near-eth/client": minor | ||
| "@near-eth/near-ether": patch | ||
| "@near-eth/nep141-erc20": minor | ||
| "@near-eth/rainbow": minor | ||
| "@near-eth/utils": minor | ||
| rainbow-bridge-client-monorepo: minor |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,156 @@ | ||
| import { Account, providers as najProviders } from 'near-api-js' | ||
| import { FinalExecutionOutcome } from 'near-api-js/lib/providers' | ||
| import { deserialize as deserializeBorsh } from 'near-api-js/lib/utils/serialize' | ||
| import { | ||
| getNearWallet, | ||
| getNearProvider, | ||
| getSignerProvider, | ||
| getBridgeParams | ||
| } from '@near-eth/client/dist/utils' | ||
| import { providers, Signer, Contract } from 'ethers' | ||
| import { | ||
| borshifyOutcomeProof, | ||
| nearOnEthSyncHeight, | ||
| findNearProof | ||
| } from '@near-eth/utils' | ||
|
|
||
| export async function logNep141Metadata ( | ||
| { nep141Address, options }: { | ||
| nep141Address: string | ||
| options?: { | ||
| nearAccount?: Account | ||
| nep141LockerAccount?: string | ||
| } | ||
| } | ||
| ): Promise<FinalExecutionOutcome> { | ||
| options = options ?? {} | ||
| const bridgeParams = getBridgeParams() | ||
| const nep141LockerAccount: string = options.nep141LockerAccount ?? bridgeParams.nep141LockerAccount | ||
| const nearWallet = options.nearAccount ?? getNearWallet() | ||
| const isNajAccount = nearWallet instanceof Account | ||
|
|
||
| let tx: FinalExecutionOutcome | ||
| if (isNajAccount) { | ||
| tx = await nearWallet.functionCall({ | ||
| contractId: nep141LockerAccount, | ||
| methodName: 'log_metadata', | ||
| args: { token_id: nep141Address }, | ||
| gas: '100' + '0'.repeat(12) | ||
| }) | ||
| } else { | ||
| tx = await nearWallet.signAndSendTransaction({ | ||
| receiverId: nep141LockerAccount, | ||
| actions: [ | ||
| { | ||
| type: 'FunctionCall', | ||
| params: { | ||
| methodName: 'log_metadata', | ||
| args: { token_id: nep141Address }, | ||
| gas: '100' + '0'.repeat(12) | ||
| } | ||
| } | ||
| ] | ||
| }) | ||
| } | ||
| return tx | ||
| } | ||
|
|
||
| export async function deploy ( | ||
| { nep141MetadataLogTx, options }: { | ||
| nep141MetadataLogTx: string | ||
| options?: { | ||
| erc20FactoryAddress?: string | ||
| nep141LockerAccount?: string | ||
| erc20FactoryAbi?: string | ||
| signer?: Signer | ||
| provider?: providers.JsonRpcProvider | ||
| ethChainId?: number | ||
| nearProvider?: najProviders.Provider | ||
| ethClientAddress?: string | ||
| ethClientAbi?: string | ||
| } | ||
| } | ||
| ): Promise<providers.TransactionResponse> { | ||
| options = options ?? {} | ||
| const bridgeParams = getBridgeParams() | ||
| const erc20FactoryAddress: string = options.erc20FactoryAddress ?? bridgeParams.erc20FactoryAddress | ||
| const nep141LockerAccount: string = options.nep141LockerAccount ?? bridgeParams.nep141LockerAccount | ||
| const provider = options.provider ?? getSignerProvider() | ||
| const ethChainId: number = (await provider.getNetwork()).chainId | ||
| const expectedChainId: number = options.ethChainId ?? bridgeParams.ethChainId | ||
| if (ethChainId !== expectedChainId) { | ||
| throw new Error( | ||
| `Wrong network for deploying token, expected: ${expectedChainId}, got: ${ethChainId}` | ||
| ) | ||
| } | ||
| const nearProvider = options.nearProvider ?? getNearProvider() | ||
| const logTx = await nearProvider.txStatus(nep141MetadataLogTx, nep141LockerAccount) | ||
| let logReceipt: any | ||
| logTx.receipts_outcome.some((receipt) => { | ||
| // @ts-expect-error | ||
| if (receipt.outcome.executor_id !== nep141LockerAccount) return false | ||
| try { | ||
| // @ts-expect-error | ||
| const successValue = receipt.outcome.status.SuccessValue | ||
| // eslint-disable-next-line @typescript-eslint/no-extraneous-class | ||
| class LogEvent { | ||
| constructor (args: any) { | ||
| Object.assign(this, args) | ||
| } | ||
| } | ||
| const SCHEMA = new Map([ | ||
| [LogEvent, { | ||
| kind: 'struct', | ||
| fields: [ | ||
| ['prefix', [32]], | ||
| ['token', 'String'], | ||
| ['name', 'String'], | ||
| ['symbol', 'String'], | ||
| ['decimals', 'u8'], | ||
| ['block_height', 'u64'] | ||
| ] | ||
| }] | ||
| ]) | ||
| deserializeBorsh( | ||
| SCHEMA, LogEvent, Buffer.from(successValue, 'base64') | ||
| ) | ||
| logReceipt = receipt | ||
| return true | ||
| } catch (error) { | ||
| console.log(error) | ||
| } | ||
| return false | ||
| }) | ||
| if (!logReceipt) { | ||
| console.log(logReceipt) | ||
| throw new Error('Failed to parse NEP-141 log metadata receipt.') | ||
| } | ||
| const receiptBlock = await nearProvider.block({ blockId: logReceipt.block_hash }) | ||
| const logBlockHeight = Number(receiptBlock.header.height) | ||
| const nearOnEthClientBlockHeight = await nearOnEthSyncHeight( | ||
| provider, | ||
| options.ethClientAddress ?? bridgeParams.ethClientAddress, | ||
| options.ethClientAbi ?? bridgeParams.ethClientAbi | ||
| ) | ||
| if (logBlockHeight > nearOnEthClientBlockHeight) { | ||
| // eslint-disable-next-line @typescript-eslint/restrict-template-expressions | ||
| throw new Error(`Wait for the light client sync: NEP-141 metadata log block height: ${logBlockHeight}, light client block height: ${nearOnEthClientBlockHeight}`) | ||
| } | ||
| const proof = await findNearProof( | ||
| logReceipt.id, | ||
| nep141LockerAccount, | ||
| nearOnEthClientBlockHeight, | ||
| nearProvider, | ||
| provider, | ||
| options.ethClientAddress ?? bridgeParams.ethClientAddress, | ||
| options.ethClientAbi ?? bridgeParams.ethClientAbi | ||
| ) | ||
| const borshProof = borshifyOutcomeProof(proof) | ||
| const erc20Factory = new Contract( | ||
| erc20FactoryAddress, | ||
| options.erc20FactoryAbi ?? bridgeParams.erc20FactoryAbi, | ||
| provider.getSigner() | ||
| ) | ||
| const tx = await erc20Factory.newBridgeToken(borshProof, nearOnEthClientBlockHeight) | ||
| return tx | ||
| } |
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