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inbox

Classes

InboxTools

Tools for interacting with the inbox and bridge contracts

Properties

PropertyModifierTypeDescription
parentProviderprivateProviderParent chain provider

Methods

estimateArbitrumGas()
private estimateArbitrumGas(childTransactionRequest: RequiredTransactionRequestType, childProvider: Provider): Promise<GasComponentsWithChildPart>

We should use nodeInterface to get the gas estimate is because we are making a delayed inbox message which doesn't need parent calldata gas fee part.

Parameters
ParameterType
childTransactionRequestRequiredTransactionRequestType
childProviderProvider
Returns

Promise<GasComponentsWithChildPart>

Source

inbox/inbox.ts:156

findFirstBlockBelow()
private findFirstBlockBelow(blockNumber: number, blockTimestamp: number): Promise<Block>

Find the first (or close to first) block whose number is below the provided number, and whose timestamp is below the provided timestamp

Parameters
ParameterTypeDescription
blockNumbernumber
blockTimestampnumber
Returns

Promise<Block>

Source

inbox/inbox.ts:87

forceInclude()
forceInclude<T>(messageDeliveredEvent?: T, overrides?: Overrides): Promise<T extends ForceInclusionParams ? ContractTransaction : null | ContractTransaction>

Force includes all eligible messages in the delayed inbox. The inbox contract doesn't allow a message to be force-included until after a delay period has been completed.

Type parameters
Type parameter
T extends undefined | ForceInclusionParams
Parameters
ParameterTypeDescription
messageDeliveredEvent?TProvide this to include all messages up to this one. Responsibility is on the caller to check the eligibility of this event.
overrides?Overrides-
Returns

Promise<T extends ForceInclusionParams ? ContractTransaction : null | ContractTransaction>

The force include transaction, or null if no eligible message were found for inclusion

Source

inbox/inbox.ts:356

getEventsAndIncreaseRange()
private getEventsAndIncreaseRange(
bridge: Bridge,
searchRangeBlocks: number,
maxSearchRangeBlocks: number,
rangeMultiplier: number): Promise<FetchedEvent<MessageDeliveredEvent>[]>

Look for force includable events in the search range blocks, if no events are found the search range is increased incrementally up to the max search range blocks.

Parameters
ParameterTypeDescription
bridgeBridge
searchRangeBlocksnumber
maxSearchRangeBlocksnumber
rangeMultipliernumber-
Returns

Promise<FetchedEvent<MessageDeliveredEvent>[]>

Source

inbox/inbox.ts:256

getForceIncludableBlockRange()
private getForceIncludableBlockRange(blockNumberRangeSize: number): Promise<object>

Get a range of blocks within messages eligible for force inclusion emitted events

Parameters
ParameterTypeDescription
blockNumberRangeSizenumber
Returns

Promise<object>

MemberTypeValue
endBlocknumberfirstEligibleBlock.number
startBlocknumber...
Source

inbox/inbox.ts:186

getForceIncludableEvent()
getForceIncludableEvent(
maxSearchRangeBlocks: number,
startSearchRangeBlocks: number,
rangeMultiplier: number): Promise<null | ForceInclusionParams>

Find the event of the latest message that can be force include

Parameters
ParameterTypeDefault valueDescription
maxSearchRangeBlocksnumberundefinedThe max range of blocks to search in.
Defaults to 3 * 6545 ( = ~3 days) prior to the first eligible block
startSearchRangeBlocksnumber100The start range of block to search in.
Moves incrementally up to the maxSearchRangeBlocks. Defaults to 100;
rangeMultipliernumber2The multiplier to use when increasing the block range
Defaults to 2.
Returns

Promise<null | ForceInclusionParams>

Null if non can be found.

Source

inbox/inbox.ts:307

sendChildSignedTx()
sendChildSignedTx(signedTx: string): Promise<null | ContractTransaction>

Send Child Chain signed tx using delayed inbox, which won't alias the sender's address It will be automatically included by the sequencer on Chain, if it isn't included within 24 hours, you can force include it

Parameters
ParameterTypeDescription
signedTxstringA signed transaction which can be sent directly to chain,
you can call inboxTools.signChainMessage to get.
Returns

Promise<null | ContractTransaction>

The parent delayed inbox's transaction itself.

Source

inbox/inbox.ts:401

signChildTx()
signChildTx(txRequest: RequiredTransactionRequestType, childSigner: Signer): Promise<string>

Sign a transaction with msg.to, msg.value and msg.data. You can use this as a helper to call inboxTools.sendChainSignedMessage above.

Parameters
ParameterTypeDescription
txRequestRequiredTransactionRequestTypeA signed transaction which can be sent directly to chain,
tx.to, tx.data, tx.value must be provided when not contract creation, if
contractCreation is true, no need provide tx.to. tx.gasPrice and tx.nonce
can be overrided. (You can also send contract creation transaction by set tx.to
to zero address or null)
childSignerSignerethers Signer type, used to sign Chain transaction
Returns

Promise<string>

The parent delayed inbox's transaction signed data.

Source

inbox/inbox.ts:429