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Class: InboxTools

inbox/inbox.InboxTools

Tools for interacting with the inbox and bridge contracts

Methods

estimateArbitrumGas

Private estimateArbitrumGas(transactionl2Request, l2Provider): Promise<GasComponentsWithL2Part>

We should use nodeInterface to get the gas estimate is because we are making a delayed inbox message which doesn't need l1 calldata gas fee part.

Parameters

NameType
transactionl2RequestRequiredTransactionRequestType
l2ProviderProvider

Returns

Promise<GasComponentsWithL2Part>

Defined in

src/lib/inbox/inbox.ts:120


findFirstBlockBelow

Private findFirstBlockBelow(blockNumber, blockTimestamp): 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

NameType
blockNumbernumber
blockTimestampnumber

Returns

Promise<Block>

Defined in

src/lib/inbox/inbox.ts:83


forceInclude

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

Force includes all eligible messages in the delayed inbox. The inbox contract doesnt allow a message to be force-included until after a delay period has been completed.

Type parameters

NameType
Textends undefined | ForceInclusionParams

Parameters

NameTypeDescription
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

Defined in

src/lib/inbox/inbox.ts:304


getEventsAndIncreaseRange

Private getEventsAndIncreaseRange(bridge, searchRangeBlocks, maxSearchRangeBlocks, rangeMultiplier): 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

NameType
bridgeBridge
searchRangeBlocksnumber
maxSearchRangeBlocksnumber
rangeMultipliernumber

Returns

Promise<FetchedEvent<MessageDeliveredEvent>[]>

Defined in

src/lib/inbox/inbox.ts:204


getForceIncludableBlockRange

Private getForceIncludableBlockRange(blockNumberRangeSize): Promise<{ endBlock: number = firstEligibleBlock.number; startBlock: number }>

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

Parameters

NameType
blockNumberRangeSizenumber

Returns

Promise<{ endBlock: number = firstEligibleBlock.number; startBlock: number }>

Defined in

src/lib/inbox/inbox.ts:150


getForceIncludableEvent

getForceIncludableEvent(maxSearchRangeBlocks?, startSearchRangeBlocks?, rangeMultipler?): Promise<null | ForceInclusionParams>

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

Parameters

NameTypeDefault valueDescription
maxSearchRangeBlocksnumberundefinedThe max range of blocks to search in. Defaults to 3 * 6545 ( = ~3 days) prior to the first eligble block
startSearchRangeBlocksnumber100The start range of block to search in. Moves incrementally up to the maxSearchRangeBlocks. Defaults to 100;
rangeMultiplernumber2-

Returns

Promise<null | ForceInclusionParams>

Null if non can be found.

Defined in

src/lib/inbox/inbox.ts:255


sendL2SignedTx

sendL2SignedTx(signedTx): Promise<null | ContractTransaction>

Send l2 signed tx using delayed inox, which won't alias the sender's adddress It will be automatically included by the sequencer on l2, if it isn't included within 24 hours, you can force include it

Parameters

NameTypeDescription
signedTxstringA signed transaction which can be sent directly to network, you can call inboxTools.signL2Message to get.

Returns

Promise<null | ContractTransaction>

The l1 delayed inbox's transaction itself.

Defined in

src/lib/inbox/inbox.ts:349


signL2Tx

signL2Tx(txRequest, l2Signer): Promise<string>

Sign a transaction with msg.to, msg.value and msg.data. You can use this as a helper to call inboxTools.sendL2SignedMessage above.

Parameters

NameTypeDescription
txRequestRequiredTransactionRequestType-
l2SignerSignerethers Signer type, used to sign l2 transaction

Returns

Promise<string>

The l1 delayed inbox's transaction signed data.

Defined in

src/lib/inbox/inbox.ts:377