Class: AptosChain

Defined in: aptos/index.ts:86

Aptos chain implementation supporting Aptos networks.

Extends

• Chain<typeof Aptos>

Indexable

[key: symbol]: () => string

Constructors

Constructor

new AptosChain(provider: Aptos, network: NetworkInfo, ctx?: ChainContext): AptosChain

Defined in: aptos/index.ts:109

Creates a new AptosChain instance.

Parameters

Parameter	Type	Description
provider	Aptos	Aptos SDK provider instance.
network	NetworkInfo	Network information for this chain.
ctx?	ChainContext	-

Returns

AptosChain

Overrides

Chain<typeof ChainFamily.Aptos>.constructor

Properties

apiClient

readonly apiClient: CCIPAPIClient | null

Defined in: chain.ts:339

CCIP API client (null if opted out)

Inherited from

Chain.apiClient

---

apiRetryConfig

readonly apiRetryConfig: Required<ApiRetryConfig> | null

Defined in: chain.ts:341

Retry configuration for API fallback operations (null if API client is disabled)

Inherited from

Chain.apiRetryConfig

---

destroy$

readonly destroy$: Promise<void>

Defined in: aptos/index.ts:95

---

getTokenInfo()

getTokenInfo: (token: string) => Promise<TokenInfo>

Defined in: aptos/index.ts:100

Retrieves token information for a given token address.

Parameters

Parameter	Type
token	string

Returns

Promise<TokenInfo>

Overrides

Chain.getTokenInfo

---

logger

logger: Logger

Defined in: chain.ts:337

Inherited from

Chain.logger

---

network

readonly network: NetworkInfo<"APTOS">

Defined in: chain.ts:336

Inherited from

Chain.network

---

provider

provider: Aptos

Defined in: aptos/index.ts:97

The Aptos SDK provider for blockchain interactions.

---

decimals

readonly static decimals: 8 = 8

Defined in: aptos/index.ts:93

Native token decimals (8 for APT).

---

family

readonly static family: "APTOS" = ChainFamily.Aptos

Defined in: aptos/index.ts:91

Chain family identifier for Aptos networks.

Methods

destroy()?

optional destroy(): void | Promise<void>

Defined in: chain.ts:375

Cleanup method to release resources (e.g., close connections).

Returns

void | Promise<void>

Inherited from

Chain.destroy

---

estimateReceiveExecution()?

optional estimateReceiveExecution(opts: { message: { data?: BytesLike; destTokenAmounts?: readonly { amount: bigint; token: string; }[]; messageId: string; sender?: string; sourceChainSelector: bigint; }; offRamp: string; receiver: string; }): Promise<number>

Defined in: chain.ts:1347

Estimate ccipReceive execution cost (gas, computeUnits) for this dest

Parameters

Parameter	Type	Description
opts	{ message: { data?: BytesLike; destTokenAmounts?: readonly { amount: bigint; token: string; }[]; messageId: string; sender?: string; sourceChainSelector: bigint; }; offRamp: string; receiver: string; }	estimation options
opts.message	{ data?: BytesLike; destTokenAmounts?: readonly { amount: bigint; token: string; }[]; messageId: string; sender?: string; sourceChainSelector: bigint; }	-
opts.message.data?	BytesLike	-
opts.message.destTokenAmounts?	readonly { amount: bigint; token: string; }[]	-
opts.message.messageId	string	-
opts.message.sender?	string	-
opts.message.sourceChainSelector	bigint	-
opts.offRamp	string	-
opts.receiver	string	-

Returns

Promise<number>

estimated execution cost (gas or computeUnits)

Inherited from

Chain.estimateReceiveExecution

---

execute()

execute(opts: ExecuteOpts & { wallet: unknown; }): Promise<CCIPExecution>

Defined in: aptos/index.ts:591

Execute messages in report in an offRamp.

Parameters

Parameter	Type	Description
opts	ExecuteOpts & { wallet: unknown; }	ExecuteOpts with chain-specific wallet to sign and send tx

Returns

Promise<CCIPExecution>

Promise resolving to transaction of the execution

Throws

CCIPAptosWalletInvalidError if wallet is not a valid Aptos account

Overrides

Chain.execute

---

generateUnsignedExecute()

generateUnsignedExecute(__namedParameters: ExecuteOpts & { payer: string; }): Promise<UnsignedAptosTx>

Defined in: aptos/index.ts:559

Generate unsigned tx to manuallyExecute a message.

Parameters

Parameter	Type	Description
__namedParameters	ExecuteOpts & { payer: string; }	ExecuteOpts with payer address which will send the exec tx

Returns

Promise<UnsignedAptosTx>

Promise resolving to chain-family specific unsigned txs

Throws

CCIPAptosExtraArgsV2RequiredError if message missing EVMExtraArgsV2 fields

Overrides

Chain.generateUnsignedExecute

---

generateUnsignedSendMessage()

generateUnsignedSendMessage(opts: SendMessageOpts & { sender: string; }): Promise<UnsignedAptosTx>

Defined in: aptos/index.ts:497

Generate unsigned txs for ccipSend'ing a message.

Parameters

Parameter	Type	Description
opts	SendMessageOpts & { sender: string; }	SendMessageOpts with sender address

Returns

Promise<UnsignedAptosTx>

Promise resolving to chain-family specific unsigned txs

Overrides

Chain.generateUnsignedSendMessage

---

getBalance()

getBalance(opts: GetBalanceOpts): Promise<bigint>

Defined in: aptos/index.ts:327

Query token balance for an address.

Parameters

Parameter	Type	Description
opts	GetBalanceOpts	Balance query options

Returns

Promise<bigint>

Token balance information including raw and formatted values

Overrides

Chain.getBalance

---

getBlockTimestamp()

getBlockTimestamp(version: number | "finalized"): Promise<number>

Defined in: aptos/index.ts:199

Fetch the timestamp of a given block.

Parameters

Parameter	Type	Description
version	number | "finalized"	Positive block number, negative finality depth, or 'finalized' tag

Returns

Promise<number>

Promise resolving to timestamp of the block, in seconds

Overrides

Chain.getBlockTimestamp

---

getExecutionInput()

getExecutionInput(opts: { request: CCIPRequest; verifications: CCIPVerifications; } & Pick<LogFilter, "page">): Promise<ExecutionInput>

Defined in: chain.ts:629

Fetch input data needed for executing messages Should be called on the source instance

Parameters

Parameter	Type	Description
opts	{ request: CCIPRequest; verifications: CCIPVerifications; } & Pick<LogFilter, "page">	getExecutionInput options containing request and verifications

Returns

Promise<ExecutionInput>

input payload to be passed to [[execute]]

See

execute - method to execute a message

Inherited from

Chain.getExecutionInput

---

getExecutionReceipts()

getExecutionReceipts(opts: { messageId?: string; offRamp: string; sourceChainSelector?: bigint; verifications?: CCIPVerifications; } & Pick<LogFilter, "startBlock" | "startTime" | "watch" | "page">): AsyncIterableIterator<CCIPExecution>

Defined in: chain.ts:1072

Default/generic implementation of getExecutionReceipts. Yields execution receipts for a given offRamp.

Parameters

Parameter	Type	Description
opts	{ messageId?: string; offRamp: string; sourceChainSelector?: bigint; verifications?: CCIPVerifications; } & Pick<LogFilter, "startBlock" | "startTime" | "watch" | "page">	getExecutionReceipts options

Returns

AsyncIterableIterator<CCIPExecution>

Async generator of CCIPExecution receipts

Example

TypeScript

for await (const exec of dest.getExecutionReceipts({
  offRamp: offRampAddress,
  messageId: request.message.messageId,
  startBlock: commit.log.blockNumber,
})) {
  console.log(`State: ${exec.receipt.state}`)
  if (exec.receipt.state === ExecutionState.Success) break
}

Inherited from

Chain.getExecutionReceipts

---

getFee()

getFee(__namedParameters: Omit<SendMessageOpts, "approveMax">): Promise<bigint>

Defined in: aptos/index.ts:487

Fetch the current fee for a given intended message.

Parameters

Parameter	Type	Description
__namedParameters	Omit<SendMessageOpts, "approveMax">	SendMessageOpts without approveMax

Returns

Promise<bigint>

Fee amount in the feeToken's smallest units

Overrides

Chain.getFee

---

getFeeTokens()

getFeeTokens(router: string): Promise<Record<string, TokenInfo>>

Defined in: aptos/index.ts:828

Fetch list and info of supported feeTokens.

Parameters

Parameter	Type	Description
router	string	Router address on this chain

Returns

Promise<Record<string, TokenInfo>>

Promise resolving to mapping of token addresses to TokenInfo objects

Overrides

Chain.getFeeTokens

---

getLaneLatency()

getLaneLatency(destChainSelector: bigint): Promise<LaneLatencyResponse>

Defined in: chain.ts:1046

Fetches estimated lane latency to a destination chain. Uses this chain's selector as the source.

Parameters

Parameter	Type	Description
destChainSelector	bigint	Destination CCIP chain selector (bigint)

Returns

Promise<LaneLatencyResponse>

Promise resolving to LaneLatencyResponse containing:

• lane.sourceNetworkInfo - Source chain metadata (name, selector, chainId)
• lane.destNetworkInfo - Destination chain metadata
• lane.routerAddress - Router contract address on source chain
• totalMs - Estimated delivery time in milliseconds

Throws

CCIPApiClientNotAvailableError if apiClient was disabled (set to null)

Throws

CCIPHttpError if API request fails (network error, 4xx, 5xx status)

Remarks

Each call makes a fresh API request. Consider caching results if making frequent calls for the same lane.

Example

TypeScript

const chain = await EVMChain.fromUrl('https://eth-mainnet.example.com')
try {
  const latency = await chain.getLaneLatency(4949039107694359620n) // Arbitrum
  console.log(`Estimated delivery: ${Math.round(latency.totalMs / 60000)} minutes`)
  console.log(`Router: ${latency.lane.routerAddress}`)
} catch (err) {
  if (err instanceof CCIPHttpError) {
    console.error(`API error: ${err.context.apiErrorCode}`)
  }
}

Inherited from

Chain.getLaneLatency

---

getLogs()

getLogs(opts: LogFilter & { versionAsHash?: boolean; }): AsyncIterableIterator<ChainLog>

Defined in: aptos/index.ts:238

An async generator that yields logs based on the provided options.

Parameters

Parameter	Type	Description
opts	LogFilter & { versionAsHash?: boolean; }	Options object containing: - startBlock: if provided, fetch and generate logs forward starting from this block; otherwise, returns logs backwards in time from endBlock; optionally, startTime may be provided to fetch logs forward starting from this time - startTime: instead of a startBlock, a start timestamp may be provided; if either is provided, fetch logs forward from this starting point; otherwise, backwards - endBlock: if omitted, use latest block; can be a block number, 'latest', 'finalized' or negative finality block depth - endBefore: optional hint signature for end of iteration, instead of endBlock - address: if provided, fetch logs for this address only (may be required in some networks/implementations) - topics: if provided, fetch logs for these topics only; if string[], it's assumed to be a list of topic0s (i.e. string[] or string[][0], event_ids); some networks/implementations may not be able to filter topics other than topic0s, so one may want to assume those are optimization hints, instead of hard filters, and verify results - page: if provided, try to use this page/range for batches - watch: true or cancellation promise, getLogs continuously after initial fetch

Returns

AsyncIterableIterator<ChainLog>

An async iterable iterator of logs.

Overrides

Chain.getLogs

---

getMessageById()

getMessageById(messageId: string, _opts?: { onRamp?: string; page?: number; }): Promise<CCIPRequest<CCIPVersion>>

Defined in: chain.ts:581

Fetch a CCIP message by its unique message ID.

Parameters

Parameter	Type	Description
messageId	string	The unique message ID (0x + 64 hex chars)
_opts?	{ onRamp?: string; page?: number; }	Optional: onRamp hint for non-EVM chains
_opts.onRamp?	string	-
_opts.page?	number	-

Returns

Promise<CCIPRequest<CCIPVersion>>

CCIPRequest with metadata populated from API

Remarks

Uses the CCIP API to retrieve message details. The returned request includes a metadata field with API-specific information.

Example

TypeScript

const request = await chain.getMessageById(messageId)
console.log(`Sender: ${request.message.sender}`)

if (request.metadata) {
  console.log(`Status: ${request.metadata.status}`)
  if (request.metadata.deliveryTime) {
    console.log(`Delivered in ${request.metadata.deliveryTime}ms`)
  }
}

Throws

CCIPApiClientNotAvailableError if API disabled

Throws

CCIPMessageIdNotFoundError if message not found

Throws

CCIPOnRampRequiredError if onRamp is required but not provided

Throws

CCIPHttpError if API request fails

Inherited from

Chain.getMessageById

---

getMessagesInBatch()

getMessagesInBatch<R>(request: R, range: Pick<CommitReport, "minSeqNr" | "maxSeqNr">, opts?: { page?: number; }): Promise<R["message"][]>

Defined in: aptos/index.ts:243

Fetches all CCIP messages contained in a given commit batch. To be implemented for chains supporting CCIPVersion <= v1.6.0

Type Parameters

Type Parameter	Description
R extends { lane: Lane<CCIPVersion>; log: { } & { } & { }; message: { sequenceNumber: bigint; } | { sequenceNumber: bigint; } | { sequenceNumber: bigint; } | { sequenceNumber: bigint; } | { sequenceNumber: bigint; } | { sequenceNumber: bigint; }; }

Parameters

Parameter	Type	Description
request	R	CCIPRequest to fetch batch for
range	Pick<CommitReport, "minSeqNr" | "maxSeqNr">	batch range { minSeqnr, maxSeqNr }, e.g. from [[CommitReport]]
opts?	{ page?: number; }	Optional parameters (e.g., page for pagination width)
opts.page?	number	-

Returns

Promise<R["message"][]>

Array of messages in the batch

Overrides

Chain.getMessagesInBatch

---

getMessagesInTx()

getMessagesInTx(tx: string | ChainTransaction): Promise<CCIPRequest<CCIPVersion>[]>

Defined in: chain.ts:525

Fetch all CCIP requests in a transaction.

Parameters

Parameter	Type	Description
tx	string | ChainTransaction	ChainTransaction or txHash to fetch requests from

Returns

Promise<CCIPRequest<CCIPVersion>[]>

Promise resolving to CCIP messages in the transaction (at least one)

Throws

CCIPTransactionNotFoundError if transaction does not exist

Throws

CCIPMessageNotFoundInTxError if no CCIPSendRequested events in tx

Example

TypeScript

const chain = await EVMChain.fromUrl('https://eth-mainnet.example.com')
const requests = await chain.getMessagesInTx('0xabc123...')
for (const req of requests) {
  console.log(`Message ID: ${req.message.messageId}`)
}

Inherited from

Chain.getMessagesInTx

---

getNativeTokenForRouter()

getNativeTokenForRouter(_router: string): Promise<string>

Defined in: aptos/index.ts:279

Get the native token address for a Router.

Parameters

Parameter	Type	Description
_router	string	Router contract address

Returns

Promise<string>

Promise resolving to native token address (usually wrapped)

Overrides

Chain.getNativeTokenForRouter

---

getOffchainTokenData()

getOffchainTokenData(request: { message: { ccipReceiveGasLimit: number; ccvAndExecutorHash: string; data: string; destBlob: string; destChainSelector: bigint; encodedMessage: string; executionGasLimit: number; feeToken: string; feeTokenAmount: bigint; finality: number; messageId: string; messageNumber: bigint; offRampAddress: string; onRampAddress: string; receipts: readonly { destBytesOverhead: bigint; destGasLimit: bigint; extraArgs: string; feeTokenAmount: bigint; issuer: string; }[]; receiver: string; sender: string; sequenceNumber: bigint; sourceChainSelector: bigint; tokenAmountBeforeTokenPoolFees: bigint; tokenAmounts: readonly TokenTransferV1[]; verifierBlobs: readonly string[]; } | { data: string; feeToken: string; feeTokenAmount: bigint; gasLimit: bigint; messageId: string; nonce: bigint; receiver: string; sender: string; sequenceNumber: bigint; sourceChainSelector: bigint; sourceTokenData: readonly string[]; strict: boolean; tokenAmounts: readonly { amount: bigint; token: string; }[]; } | CCIPMessage_V1_5_EVM | CCIPMessage_V1_6_EVM | CCIPMessage_V1_6_Solana | CCIPMessage_V1_6_Sui; tx: { hash: string; }; }): Promise<OffchainTokenData[]>

Defined in: chain.ts:926

Fetch supported offchain token data for a request from this network. It logs but doesn't throw in case it can't fetch attestation, as the transfers may not be from the expected attestation providers. It returns default offchainData=undefined for those.

Parameters

Parameter	Type	Description
request	{ message: { ccipReceiveGasLimit: number; ccvAndExecutorHash: string; data: string; destBlob: string; destChainSelector: bigint; encodedMessage: string; executionGasLimit: number; feeToken: string; feeTokenAmount: bigint; finality: number; messageId: string; messageNumber: bigint; offRampAddress: string; onRampAddress: string; receipts: readonly { destBytesOverhead: bigint; destGasLimit: bigint; extraArgs: string; feeTokenAmount: bigint; issuer: string; }[]; receiver: string; sender: string; sequenceNumber: bigint; sourceChainSelector: bigint; tokenAmountBeforeTokenPoolFees: bigint; tokenAmounts: readonly TokenTransferV1[]; verifierBlobs: readonly string[]; } | { data: string; feeToken: string; feeTokenAmount: bigint; gasLimit: bigint; messageId: string; nonce: bigint; receiver: string; sender: string; sequenceNumber: bigint; sourceChainSelector: bigint; sourceTokenData: readonly string[]; strict: boolean; tokenAmounts: readonly { amount: bigint; token: string; }[]; } | CCIPMessage_V1_5_EVM | CCIPMessage_V1_6_EVM | CCIPMessage_V1_6_Solana | CCIPMessage_V1_6_Sui; tx: { hash: string; }; }	CCIP request, with tx.hash and message
request.message	{ ccipReceiveGasLimit: number; ccvAndExecutorHash: string; data: string; destBlob: string; destChainSelector: bigint; encodedMessage: string; executionGasLimit: number; feeToken: string; feeTokenAmount: bigint; finality: number; messageId: string; messageNumber: bigint; offRampAddress: string; onRampAddress: string; receipts: readonly { destBytesOverhead: bigint; destGasLimit: bigint; extraArgs: string; feeTokenAmount: bigint; issuer: string; }[]; receiver: string; sender: string; sequenceNumber: bigint; sourceChainSelector: bigint; tokenAmountBeforeTokenPoolFees: bigint; tokenAmounts: readonly TokenTransferV1[]; verifierBlobs: readonly string[]; } | { data: string; feeToken: string; feeTokenAmount: bigint; gasLimit: bigint; messageId: string; nonce: bigint; receiver: string; sender: string; sequenceNumber: bigint; sourceChainSelector: bigint; sourceTokenData: readonly string[]; strict: boolean; tokenAmounts: readonly { amount: bigint; token: string; }[]; } | CCIPMessage_V1_5_EVM | CCIPMessage_V1_6_EVM | CCIPMessage_V1_6_Solana | CCIPMessage_V1_6_Sui	-
request.tx	{ hash: string; }	Transaction that emitted the request.
request.tx.hash	string	Transaction hash.

Returns

Promise<OffchainTokenData[]>

Promise resolving to array with one offchain token data for each token transfer

Example

TypeScript

const offchainData = await source.getOffchainTokenData(request)
// Use in execution report

Inherited from

Chain.getOffchainTokenData

---

getOffRampsForRouter()

getOffRampsForRouter(router: string, _sourceChainSelector: bigint): Promise<string[]>

Defined in: aptos/index.ts:284

Fetch the OffRamps allowlisted in a Router. Used to discover OffRamp connected to an OnRamp.

Parameters

Parameter	Type	Description
router	string	Router contract address
_sourceChainSelector	bigint	Source chain selector

Returns

Promise<string[]>

Promise resolving to array of OffRamp addresses

Overrides

Chain.getOffRampsForRouter

---

getOnRampForRouter()

getOnRampForRouter(router: string, _destChainSelector: bigint): Promise<string>

Defined in: aptos/index.ts:289

Fetch the OnRamp registered in a Router for a destination chain.

Parameters

Parameter	Type	Description
router	string	Router contract address
_destChainSelector	bigint	Destination chain selector

Returns

Promise<string>

Promise resolving to OnRamp address

Overrides

Chain.getOnRampForRouter

---

getOnRampsForOffRamp()

getOnRampsForOffRamp(offRamp: string, sourceChainSelector: bigint): Promise<string[]>

Defined in: aptos/index.ts:294

Fetch the OnRamps addresses set in OffRamp config. Used to discover OffRamp connected to an OnRamp.

Parameters

Parameter	Type	Description
offRamp	string	OffRamp contract address
sourceChainSelector	bigint	Source chain selector

Returns

Promise<string[]>

Promise resolving to OnRamps addresses

Overrides

Chain.getOnRampsForOffRamp

---

getRegistryTokenConfig()

getRegistryTokenConfig(registry: string, token: string): Promise<{ administrator: string; pendingAdministrator?: string; tokenPool?: string; }>

Defined in: aptos/index.ts:657

Fetch token configuration from a TokenAdminRegistry.

Parameters

Parameter	Type	Description
registry	string	TokenAdminRegistry contract address.
token	string	Token address to query.

Returns

Promise<{ administrator: string; pendingAdministrator?: string; tokenPool?: string; }>

RegistryTokenConfig containing administrator and pool information.

Remarks

The TokenAdminRegistry is a contract that tracks token administrators and their associated pools. Each token has an administrator who can update pool configurations.

Throws

CCIPAptosTokenNotRegisteredError if token is not registered

Overrides

Chain.getRegistryTokenConfig

---

getRouterForOffRamp()

getRouterForOffRamp(offRamp: string, _sourceChainSelector: bigint): Promise<string>

Defined in: aptos/index.ts:274

Fetch the Router address set in OffRamp config.

Parameters

Parameter	Type	Description
offRamp	string	OffRamp contract address
_sourceChainSelector	bigint	Source chain selector

Returns

Promise<string>

Promise resolving to Router address

Overrides

Chain.getRouterForOffRamp

---

getRouterForOnRamp()

getRouterForOnRamp(onRamp: string, _destChainSelector: bigint): Promise<string>

Defined in: aptos/index.ts:268

Fetch the Router address set in OnRamp config. Used to discover OffRamp connected to OnRamp.

Parameters

Parameter	Type	Description
onRamp	string	OnRamp contract address
_destChainSelector	bigint	Destination chain selector

Returns

Promise<string>

Promise resolving to Router address

Overrides

Chain.getRouterForOnRamp

---

getSupportedTokens()

getSupportedTokens(address: string, opts?: { page?: number; }): Promise<string[]>

Defined in: aptos/index.ts:635

List tokens supported by given TokenAdminRegistry contract.

Parameters

Parameter	Type	Description
address	string	Usually TokenAdminRegistry, but chain may support receiving Router, OnRamp, etc.
opts?	{ page?: number; }	Optional parameters (e.g., page for pagination range)
opts.page?	number	-

Returns

Promise<string[]>

Promise resolving to array of supported token addresses

Overrides

Chain.getSupportedTokens

---

getTokenAdminRegistryFor()

getTokenAdminRegistryFor(address: string): Promise<string>

Defined in: aptos/index.ts:342

Fetch TokenAdminRegistry configured in a given OnRamp, Router, etc. Needed to map a source token to its dest counterparts.

Parameters

Parameter	Type	Description
address	string	Contract address (OnRamp, Router, etc.)

Returns

Promise<string>

Promise resolving to TokenAdminRegistry address

Throws

CCIPAptosRegistryTypeInvalidError if registry type is invalid

Overrides

Chain.getTokenAdminRegistryFor

---

getTokenForTokenPool()

getTokenForTokenPool(tokenPool: string): Promise<string>

Defined in: aptos/index.ts:306

Fetch the TokenPool's token/mint.

Parameters

Parameter	Type	Description
tokenPool	string	TokenPool address

Returns

Promise<string>

Promise resolving to token or mint address

Overrides

Chain.getTokenForTokenPool

---

getTokenPoolConfig()

getTokenPoolConfig(tokenPool: string): Promise<{ router: string; token: string; typeAndVersion?: string; }>

Defined in: aptos/index.ts:683

Fetch configuration of a token pool.

Parameters

Parameter	Type	Description
tokenPool	string	Token pool contract address.

Returns

Promise<{ router: string; token: string; typeAndVersion?: string; }>

TokenPoolConfig containing token, router, and version info.

Remarks

Return type varies by chain:

• EVM: typeAndVersion is always present (required)
• Solana: Includes extra tokenPoolProgram field
• Aptos: Standard fields only
• Sui/TON: Throws CCIPNotImplementedError

Overrides

Chain.getTokenPoolConfig

---

getTokenPoolRemote()

getTokenPoolRemote(tokenPool: string, remoteChainSelector: bigint): Promise<TokenPoolRemote>

Defined in: chain.ts:1271

Fetch remote chain configuration for a token pool for a specific destination.

Parameters

Parameter	Type	Description
tokenPool	string	Token pool address on the current chain.
remoteChainSelector	bigint	Chain selector of the desired remote chain.

Returns

Promise<TokenPoolRemote>

TokenPoolRemote config for the specified remote chain.

Remarks

Convenience wrapper around getTokenPoolRemotes that returns a single configuration instead of a Record. Use this when you need configuration for a specific destination chain.

Example

TypeScript

const arbitrumSelector = 4949039107694359620n
const remote = await chain.getTokenPoolRemote(poolAddress, arbitrumSelector)
console.log(`Remote token: ${remote.remoteToken}`)
console.log(`Remote pools: ${remote.remotePools.join(', ')}`)

Throws

CCIPTokenPoolChainConfigNotFoundError if no configuration found for the specified remote chain.

Inherited from

Chain.getTokenPoolRemote

---

getTokenPoolRemotes()

getTokenPoolRemotes(tokenPool: string, remoteChainSelector?: bigint): Promise<Record<string, TokenPoolRemote>>

Defined in: aptos/index.ts:722

Fetch remote chain configurations for a token pool.

Parameters

Parameter	Type	Description
tokenPool	string	Token pool address on the current chain.
remoteChainSelector?	bigint	Optional chain selector to filter results to a single destination.

Returns

Promise<Record<string, TokenPoolRemote>>

Record where keys are chain names (e.g., "ethereum-mainnet") and values are TokenPoolRemote configs.

Remarks

A token pool maintains configurations for each destination chain it supports. The returned Record maps chain names to their respective configurations.

Overrides

Chain.getTokenPoolRemotes

---

getTransaction()

getTransaction(hashOrVersion: string | number): Promise<ChainTransaction>

Defined in: aptos/index.ts:208

Fetch a transaction by its hash.

Parameters

Parameter	Type	Description
hashOrVersion	string | number	Transaction hash

Returns

Promise<ChainTransaction>

Promise resolving to generic transaction details

Throws

CCIPAptosTransactionInvalidError if hash/version format is invalid

Throws

CCIPAptosTransactionTypeInvalidError if transaction is not a user transaction

Overrides

Chain.getTransaction

---

getVerifications()

getVerifications(opts: { offRamp: string; request: { lane: Lane<CCIPVersion>; message: { sequenceNumber: bigint; } | { sequenceNumber: bigint; } | { sequenceNumber: bigint; } | { sequenceNumber: bigint; } | { sequenceNumber: bigint; } | { sequenceNumber: bigint; } & { messageId: string; } | { messageId: string; } | { messageId: string; } | { messageId: string; } | { messageId: string; } | { messageId: string; }; tx: { timestamp: number; }; }; } & Pick<LogFilter, "startBlock" | "watch" | "page">): Promise<CCIPVerifications>

Defined in: chain.ts:998

Look for a CommitReport at dest for given CCIP request. May be specialized by some subclasses.

Parameters

Parameter	Type	Description
opts	{ offRamp: string; request: { lane: Lane<CCIPVersion>; message: { sequenceNumber: bigint; } | { sequenceNumber: bigint; } | { sequenceNumber: bigint; } | { sequenceNumber: bigint; } | { sequenceNumber: bigint; } | { sequenceNumber: bigint; } & { messageId: string; } | { messageId: string; } | { messageId: string; } | { messageId: string; } | { messageId: string; } | { messageId: string; }; tx: { timestamp: number; }; }; } & Pick<LogFilter, "startBlock" | "watch" | "page">	getVerifications options

Returns

Promise<CCIPVerifications>

CCIPVerifications

Throws

CCIPCommitNotFoundError if no commit found for the request (transient)

Example

TypeScript

const verifications = await dest.getVerifications({
  offRamp: offRampAddress,
  request,
})
console.log(`Committed at block: ${verifications.log.blockNumber}`)

Inherited from

Chain.getVerifications

---

sendMessage()

sendMessage(opts: SendMessageOpts & { wallet: unknown; }): Promise<CCIPRequest<CCIPVersion>>

Defined in: aptos/index.ts:527

Send a CCIP message through a router using provided wallet.

Parameters

Parameter	Type	Description
opts	SendMessageOpts & { wallet: unknown; }	SendMessageOpts with chain-specific wallet for signing

Returns

Promise<CCIPRequest<CCIPVersion>>

Promise resolving to CCIP request with message details

Throws

CCIPAptosWalletInvalidError if wallet is not a valid Aptos account

Overrides

Chain.sendMessage

---

typeAndVersion()

typeAndVersion(address: string): Promise<[string, string, string, string]>

Defined in: aptos/index.ts:257

Fetch typeAndVersion for a given CCIP contract address.

Parameters

Parameter	Type	Description
address	string	CCIP contract address

Returns

Promise<[string, string, string, string]>

Promise resolving to tuple:

• type - Parsed type of the contract, e.g. OnRamp
• version - Parsed version of the contract, e.g. 1.6.0
• typeAndVersion - Original (unparsed) typeAndVersion() string
• suffix - Suffix of the version, if any (e.g. -dev)

Overrides

Chain.typeAndVersion

---

waitFinalized()

waitFinalized(opts: { cancel$?: Promise<unknown>; finality?: number | "finalized"; request: { log: { } & { } & { } & { } & { tx?: { timestamp: number; }; }; tx?: { timestamp: number; }; }; }): Promise<true>

Defined in: chain.ts:441

Confirm a log tx is finalized or wait for it to be finalized.

Parameters

Parameter	Type	Description
opts	{ cancel$?: Promise<unknown>; finality?: number | "finalized"; request: { log: { } & { } & { } & { } & { tx?: { timestamp: number; }; }; tx?: { timestamp: number; }; }; }	Options containing the request, finality level, and optional cancel promise
opts.cancel$?	Promise<unknown>	-
opts.finality?	number | "finalized"	-
opts.request	{ log: { } & { } & { } & { } & { tx?: { timestamp: number; }; }; tx?: { timestamp: number; }; }	-
opts.request.log	{ } & { } & { } & { } & { tx?: { timestamp: number; }; }	-
opts.request.tx?	{ timestamp: number; }	Transaction that emitted the request.
opts.request.tx.timestamp	number	Unix timestamp of the block.

Returns

Promise<true>

true when the transaction is finalized

Throws

CCIPTransactionNotFinalizedError if the transaction is not included (e.g., due to a reorg)

Example

TypeScript

const request = await source.getMessagesInTx(txHash)
try {
  await source.waitFinalized({ request: request[0] })
  console.log('Transaction finalized')
} catch (err) {
  if (err instanceof CCIPTransactionNotFinalizedError) {
    console.log('Transaction not yet finalized')
  }
}

Inherited from

Chain.waitFinalized

---

buildMessageForDest()

static buildMessageForDest(message: MessageInput): AnyMessage

Defined in: chain.ts:1307

Returns a copy of a message, populating missing fields like extraArgs with defaults. It's expected to return a message suitable at least for basic token transfers.

Parameters

Parameter	Type	Description
message	MessageInput	AnyMessage (from source), containing at least receiver

Returns

AnyMessage

A message suitable for sendMessage to this destination chain family

Inherited from

Chain.buildMessageForDest

---

decodeCommits()

static decodeCommits(log: Pick<ChainLog, "data">, lane?: Lane<CCIPVersion>): { maxSeqNr: bigint; merkleRoot: string; minSeqNr: bigint; onRampAddress: string; sourceChainSelector: bigint; }[] | undefined

Defined in: aptos/index.ts:417

Decodes commit reports from an Aptos log event.

Parameters

Parameter	Type	Description
log	Pick<ChainLog, "data">	Log with data field.
lane?	Lane<CCIPVersion>	Lane info for filtering.

Returns

{ maxSeqNr: bigint; merkleRoot: string; minSeqNr: bigint; onRampAddress: string; sourceChainSelector: bigint; }[] | undefined

Array of CommitReport or undefined if not valid.

Throws

CCIPAptosLogInvalidError if log data format is invalid

---

decodeExtraArgs()

static decodeExtraArgs(extraArgs: BytesLike): EVMExtraArgsV1 & { allowOutOfOrderExecution: boolean; } & { _tag: "EVMExtraArgsV2"; } | SVMExtraArgsV1 & { _tag: "SVMExtraArgsV1"; } | undefined

Defined in: aptos/index.ts:379

Decodes extra arguments from Aptos CCIP messages.

Parameters

Parameter	Type	Description
extraArgs	BytesLike	Encoded extra arguments bytes.

Returns

EVMExtraArgsV1 & { allowOutOfOrderExecution: boolean; } & { _tag: "EVMExtraArgsV2"; }

SVMExtraArgsV1 & { _tag: "SVMExtraArgsV1"; }

undefined

Decoded extra arguments or undefined if unknown format.

---

decodeMessage()

static decodeMessage(log: { data: Record<string, unknown> | BytesLike; }): CCIPMessage | undefined

Defined in: aptos/index.ts:357

Decodes a CCIP message from an Aptos log event.

Parameters

Parameter	Type	Description
log	{ data: Record<string, unknown> | BytesLike; }	Log with data field.
log.data	Record<string, unknown> | BytesLike	-

Returns

CCIPMessage | undefined

Decoded CCIPMessage or undefined if not valid.

Throws

CCIPAptosLogInvalidError if log data format is invalid

---

decodeReceipt()

static decodeReceipt(log: Pick<ChainLog, "data">): ExecutionReceipt | undefined

Defined in: aptos/index.ts:451

Decodes an execution receipt from an Aptos log event.

Parameters

Parameter	Type	Description
log	Pick<ChainLog, "data">	Log with data field.

Returns

ExecutionReceipt | undefined

ExecutionReceipt or undefined if not valid.

Throws

CCIPAptosLogInvalidError if log data format is invalid

---

encodeExtraArgs()

static encodeExtraArgs(extraArgs: ExtraArgs): string

Defined in: aptos/index.ts:394

Encodes extra arguments for Aptos CCIP messages.

Parameters

Parameter	Type	Description
extraArgs	ExtraArgs	Extra arguments to encode.

Returns

string

Encoded extra arguments as hex string.

Throws

CCIPAptosExtraArgsEncodingError if extra args format is not supported

---

fromAptosConfig()

static fromAptosConfig(config: AptosConfig, ctx?: WithLogger): Promise<AptosChain>

Defined in: aptos/index.ts:166

Creates an AptosChain instance from an Aptos configuration.

Parameters

Parameter	Type	Description
config	AptosConfig	Aptos configuration object.
ctx?	WithLogger	context containing logger.

Returns

Promise<AptosChain>

A new AptosChain instance.

---

fromProvider()

static fromProvider(provider: Aptos, ctx?: WithLogger): Promise<AptosChain>

Defined in: aptos/index.ts:156

Creates an AptosChain instance from an existing Aptos provider.

Parameters

Parameter	Type	Description
provider	Aptos	Aptos SDK provider instance.
ctx?	WithLogger	context containing logger.

Returns

Promise<AptosChain>

A new AptosChain instance.

---

fromUrl()

static fromUrl(url: string | readonly [string, Network], ctx?: ChainContext): Promise<AptosChain>

Defined in: aptos/index.ts:178

Creates an AptosChain instance from a URL or network identifier.

Parameters

Parameter	Type	Description
url	string | readonly [string, Network]	RPC URL, Aptos Network enum value or [fullNodeUrl, Network] tuple.
ctx?	ChainContext	context containing logger

Returns

Promise<AptosChain>

A new AptosChain instance.

Throws

CCIPAptosNetworkUnknownError if network cannot be determined from URL

---

getAddress()

static getAddress(bytes: BytesLike | readonly number[]): string

Defined in: aptos/index.ts:466

Converts bytes to an Aptos address.

Parameters

Parameter	Type	Description
bytes	BytesLike | readonly number[]	Bytes to convert.

Returns

string

Aptos address (0x-prefixed hex, 32 bytes padded).

Throws

CCIPDataFormatUnsupportedError if bytes length exceeds 32

---

getDestLeafHasher()

static getDestLeafHasher(lane: Lane, _ctx?: WithLogger): LeafHasher

Defined in: aptos/index.ts:482

Gets the leaf hasher for Aptos destination chains.

Parameters

Parameter	Type	Description
lane	Lane	Lane configuration.
_ctx?	WithLogger	-

Returns

LeafHasher

Leaf hasher function.

---

isTxHash()

static isTxHash(v: unknown): v is `0x${string}`

Defined in: aptos/index.ts:473

Validates a transaction hash format for Aptos

Parameters

Parameter	Type
v	unknown

Returns

v is `0x${string}`

---

parse()

static parse(data: unknown): EVMExtraArgsV1 & { allowOutOfOrderExecution: boolean; } & { _tag: "EVMExtraArgsV2"; } | SVMExtraArgsV1 & { _tag: "SVMExtraArgsV1"; } | undefined

Defined in: aptos/index.ts:623

Parses raw Aptos data into typed structures.

Parameters

Parameter	Type	Description
data	unknown	Raw data to parse.

Returns

EVMExtraArgsV1 & { allowOutOfOrderExecution: boolean; } & { _tag: "EVMExtraArgsV2"; }

SVMExtraArgsV1 & { _tag: "SVMExtraArgsV1"; }

undefined

Parsed data or undefined.