ethBridger
Classes
EthBridger
Bridger for moving ETH back and forth between parent and child chain
Extends
AssetBridger<EthDepositParams|EthDepositToParams|ParentToChildTxReqAndSigner,EthWithdrawParams|ChildToParentTxReqAndSigner>
Properties
| Property | Modifier | Type | Description | Inherited from |
|---|---|---|---|---|
nativeToken? | readonly | string | In case of a chain that uses ETH as its native/gas token, this is either undefined or the zero addressIn case of a chain that uses an ERC-20 token from the parent chain as its native/gas token, this is the address of said token on the parent chain | AssetBridger.nativeToken |
Accessors
nativeTokenIsEth
get protected nativeTokenIsEth(): boolean
Whether the chain uses ETH as its native/gas token
Returns
boolean
Source
assetBridger/assetBridger.ts:68
Methods
approveGasToken()
approveGasToken(params: WithParentSigner<ApproveGasTokenParamsOrTxRequest>): Promise<TransactionResponse>
Approves the custom gas token to be spent by the Inbox on the parent chain.
Parameters
| Parameter | Type | Description |
|---|---|---|
params | WithParentSigner<ApproveGasTokenParamsOrTxRequest> |
Returns
Promise<TransactionResponse>
Source
assetBridger/ethBridger.ts:219
checkChildChain()
protected checkChildChain(sop: SignerOrProvider): Promise<void>
Check the signer/provider matches the childChain, throws if not
Parameters
| Parameter | Type | Description |
|---|---|---|
sop | SignerOrProvider |
Returns
Promise<void>
Inherited from
AssetBridger . checkChildChain
Source
assetBridger/assetBridger.ts:60
checkParentChain()
protected checkParentChain(sop: SignerOrProvider): Promise<void>
Check the signer/provider matches the parentChain, throws if not
Parameters
| Parameter | Type | Description |
|---|---|---|
sop | SignerOrProvider |
Returns
Promise<void>
Inherited from
AssetBridger . checkParentChain
Source
assetBridger/assetBridger.ts:49
deposit()
deposit(params: EthDepositParams | ParentToChildTxReqAndSigner): Promise<ParentEthDepositTransaction>
Deposit ETH from Parent onto Child chain
Parameters
| Parameter | Type | Description |
|---|---|---|
params | EthDepositParams | ParentToChildTxReqAndSigner |
Returns
Promise<ParentEthDepositTransaction>
Overrides
Source
assetBridger/ethBridger.ts:287
depositTo()
depositTo(params: EthDepositToParams | ParentToChildTransactionRequest & object & object): Promise<ParentContractCallTransaction>
Deposit ETH from parent chain onto a different child chain address
Parameters
| Parameter | Type | Description |
|---|---|---|
params | EthDepositToParams | ParentToChildTransactionRequest & object & object |
Returns
Promise<ParentContractCallTransaction>
Source
assetBridger/ethBridger.ts:339
getApproveGasTokenRequest()
getApproveGasTokenRequest(params?: ApproveGasTokenParams): Required<Pick<TransactionRequest, "data" | "value" | "to">>
Creates a transaction request for approving the custom gas token to be spent by the inbox on the parent chain
Parameters
| Parameter | Type | Description |
|---|---|---|
params? | ApproveGasTokenParams |
Returns
Required<Pick<TransactionRequest, "data" | "value" | "to">>
Source
assetBridger/ethBridger.ts:191
getDepositRequest()
getDepositRequest(params: EthDepositRequestParams): Promise<OmitTyped<ParentToChildTransactionRequest, "retryableData">>
Gets tx request for depositing ETH or custom gas token
Parameters
| Parameter | Type | Description |
|---|---|---|
params | EthDepositRequestParams |
Returns
Promise <OmitTyped <ParentToChildTransactionRequest, "retryableData">>
Source
assetBridger/ethBridger.ts:268
getDepositRequestData()
private getDepositRequestData(params: EthDepositRequestParams): string
Gets transaction calldata for a tx request for depositing ETH or custom gas token
Parameters
| Parameter | Type | Description |
|---|---|---|
params | EthDepositRequestParams |
Returns
string
Source
assetBridger/ethBridger.ts:241
getDepositToRequest()
getDepositToRequest(params: EthDepositToRequestParams): Promise<ParentToChildTransactionRequest>
Get a transaction request for an ETH deposit to a different child chain address using Retryables
Parameters
| Parameter | Type | Description |
|---|---|---|
params | EthDepositToRequestParams |
Returns
Promise <ParentToChildTransactionRequest>
Source
assetBridger/ethBridger.ts:312
getWithdrawalRequest()
getWithdrawalRequest(params: EthWithdrawParams): Promise<ChildToParentTransactionRequest>
Get a transaction request for an eth withdrawal
Parameters
| Parameter | Type | Description |
|---|---|---|
params | EthWithdrawParams |
Returns
Promise <ChildToParentTransactionRequest>
Source
assetBridger/ethBridger.ts:372
isApproveGasTokenParams()
private isApproveGasTokenParams(params: ApproveGasTokenParamsOrTxRequest): params is WithParentSigner<ApproveGasTokenParams>
Asserts that the provided argument is of type ApproveGasTokenParams and not ApproveGasTokenTxRequest.
Parameters
| Parameter | Type | Description |
|---|---|---|
params | ApproveGasTokenParamsOrTxRequest |
Returns
params is WithParentSigner<ApproveGasTokenParams>
Source
assetBridger/ethBridger.ts:181
withdraw()
withdraw(params: ChildToParentTxReqAndSigner | EthWithdrawParams & object): Promise<ChildContractTransaction>
Withdraw ETH from child chain onto parent chain
Parameters
| Parameter | Type | Description |
|---|---|---|
params | ChildToParentTxReqAndSigner | EthWithdrawParams & object |
Returns
Promise<ChildContractTransaction>
Overrides
Source
assetBridger/ethBridger.ts:408
fromProvider()
static fromProvider(childProvider: Provider): Promise<EthBridger>
Instantiates a new EthBridger from a child chain Provider
Parameters
| Parameter | Type | Description |
|---|---|---|
childProvider | Provider |
Returns
Promise <EthBridger>