Class: EVMChain

Defined in: evm/index.ts:182

EVM chain implementation supporting Ethereum-compatible networks.

Provides methods for sending CCIP cross-chain messages, querying message status, fetching fee quotes, and manually executing pending messages on Ethereum Virtual Machine compatible chains.

Examples

TypeScript

import { EVMChain } from '@chainlink/ccip-sdk'

const chain = await EVMChain.fromUrl('https://rpc.sepolia.org')
console.log(`Connected to: ${chain.network.name}`)

TypeScript

const requests = await chain.getMessagesInTx('0xabc123...')
for (const req of requests) {
  console.log(`Message ID: ${req.message.messageId}`)
}

Extends

• Chain<typeof EVM>

Indexable

[key: symbol]: () => string

Constructors

Constructor

new EVMChain(provider: JsonRpcApiProvider, network: NetworkInfo, ctx?: ChainContext): EVMChain

Defined in: evm/index.ts:204

Creates a new EVMChain instance.

Parameters

Parameter	Type	Description
provider	JsonRpcApiProvider	JSON-RPC provider for the EVM network.
network	NetworkInfo	Network information for this chain.
ctx?	ChainContext	-

Returns

EVMChain

Overrides

Chain<typeof ChainFamily.EVM>.constructor

Properties

apiClient

readonly apiClient: CCIPAPIClient | null

Defined in: chain.ts:326

CCIP API client (null if opted out)

Inherited from

Chain.apiClient

---

apiRetryConfig

readonly apiRetryConfig: Required<ApiRetryConfig> | null

Defined in: chain.ts:328

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

Inherited from

Chain.apiRetryConfig

---

destroy$

readonly destroy$: Promise<void>

Defined in: evm/index.ts:190

---

logger

logger: Logger

Defined in: chain.ts:324

Inherited from

Chain.logger

---

network

readonly network: NetworkInfo<"EVM">

Defined in: chain.ts:323

Inherited from

Chain.network

---

nonces

nonces: Record<string, number>

Defined in: evm/index.ts:197

Cache of current nonces per wallet address. Used internally by sendMessage and executeReport to manage transaction ordering. Can be inspected for debugging or manually adjusted if needed.

---

provider

provider: JsonRpcApiProvider

Defined in: evm/index.ts:189

---

decimals

readonly static decimals: 18 = 18

Defined in: evm/index.ts:187

---

family

readonly static family: "EVM" = ChainFamily.EVM

Defined in: evm/index.ts:186

Methods

_getSomeOnRampFor()

_getSomeOnRampFor(router: string): Promise<string>

Defined in: evm/index.ts:887

Gets any available OnRamp for the given router.

Parameters

Parameter	Type	Description
router	string	Router contract address.

Returns

Promise<string>

OnRamp contract address.

---

destroy()?

optional destroy(): void | Promise<void>

Defined in: chain.ts:362

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

Returns

void | Promise<void>

Inherited from

Chain.destroy

---

estimateReceiveExecution()

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: evm/index.ts:1517

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)

Overrides

Chain.estimateReceiveExecution

---

executeReport()

executeReport(opts: ExecuteReportOpts & { wallet: unknown; }): Promise<CCIPExecution>

Defined in: evm/index.ts:1238

Execute messages in report in an offRamp.

Parameters

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

Returns

Promise<CCIPExecution>

Promise resolving to transaction of the execution

Throws

CCIPWalletInvalidError if wallet is not a valid Signer

Throws

CCIPExecTxNotConfirmedError if execution transaction fails to confirm

Throws

CCIPExecTxRevertedError if execution transaction reverts

Overrides

Chain.executeReport

---

generateUnsignedExecuteReport()

generateUnsignedExecuteReport(__namedParameters: ExecuteReportOpts & { payer: string; }): Promise<UnsignedEVMTx>

Defined in: evm/index.ts:1115

Generate unsigned tx to manuallyExecute a message.

Parameters

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

Returns

Promise<UnsignedEVMTx>

Promise resolving to chain-family specific unsigned txs

Throws

CCIPVersionUnsupportedError if OffRamp version is not supported

Overrides

Chain.generateUnsignedExecuteReport

---

generateUnsignedSendMessage()

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

Defined in: evm/index.ts:987

Generate unsigned txs for ccipSend'ing a message.

Parameters

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

Returns

Promise<UnsignedEVMTx>

Promise resolving to chain-family specific unsigned txs

Overrides

Chain.generateUnsignedSendMessage

---

getBalance()

getBalance(opts: GetBalanceOpts): Promise<bigint>

Defined in: evm/index.ts:842

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(block: number | "finalized"): Promise<number>

Defined in: evm/index.ts:329

Fetch the timestamp of a given block.

Parameters

Parameter	Type	Description
block	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

---

getCommitReport()

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

Defined in: chain.ts:968

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

Parameters

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

Returns

Promise<CCIPCommit>

CCIPCommit info

Throws

CCIPCommitNotFoundError if no commit found for the request (transient)

Example

TypeScript

const commit = await dest.getCommitReport({
  commitStore: offRampAddress, // v1.6+
  request,
})
console.log(`Committed at block: ${commit.log.blockNumber}`)

Inherited from

Chain.getCommitReport

---

getCommitStoreForOffRamp()

getCommitStoreForOffRamp(offRamp: string): Promise<string>

Defined in: evm/index.ts:791

Fetch the CommitStore set in OffRamp config (CCIP v1.5 and earlier). For CCIP v1.6 and later, it should return the offRamp address.

Parameters

Parameter	Type	Description
offRamp	string	OffRamp contract address

Returns

Promise<string>

Promise resolving to CommitStore address

Throws

CCIPVersionUnsupportedError if OffRamp version is not supported

Overrides

Chain.getCommitStoreForOffRamp

---

getExecutionReceipts()

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

Defined in: evm/index.ts:1484

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

Parameters

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

Returns

AsyncIterableIterator<CCIPExecution>

Async generator of CCIPExecution receipts

Overrides

Chain.getExecutionReceipts

---

getFee()

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

Defined in: evm/index.ts:960

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<{[k: string]: { decimals: number; name: string; symbol: string; }; }>

Defined in: evm/index.ts:1431

Fetch list and info of supported feeTokens.

Parameters

Parameter	Type	Description
router	string	Router address on this chain

Returns

Promise<{[k: string]: { decimals: number; name: string; symbol: string; }; }>

Promise resolving to mapping of token addresses to TokenInfo objects

Throws

CCIPVersionUnsupportedError if OnRamp version is not supported

Overrides

Chain.getFeeTokens

---

getLaneForOnRamp()

getLaneForOnRamp(onRamp: string): Promise<Lane<CCIPVersion>>

Defined in: evm/index.ts:631

Gets lane configuration from an OnRamp contract.

Parameters

Parameter	Type	Description
onRamp	string	OnRamp contract address.

Returns

Promise<Lane<CCIPVersion>>

Lane configuration.

Throws

CCIPContractTypeInvalidError if contract doesn't have destChainSelector

---

getLaneLatency()

getLaneLatency(destChainSelector: bigint): Promise<LaneLatencyResponse>

Defined in: chain.ts:1013

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(filter: LogFilter & { onlyFallback?: boolean; }): AsyncIterableIterator<Log>

Defined in: evm/index.ts:351

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

Parameters

Parameter	Type	Description
filter	LogFilter & { onlyFallback?: 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<Log>

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:568

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

Defined in: evm/index.ts:358

Fetches all CCIP messages contained in a given commit batch.

Type Parameters

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

Parameters

Parameter	Type	Description
request	R	CCIPRequest to fetch batch for
commit	Pick<CommitReport, "minSeqNr" | "maxSeqNr">	CommitReport range (min, max)
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:512

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: evm/index.ts:719

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: CCIPRequest): Promise<OffchainTokenData[]>

Defined in: evm/index.ts:1106

Fetch supported offchain token data for a request from this network.

Parameters

Parameter	Type	Description
request	CCIPRequest	CCIP request, with tx, logs and message

Returns

Promise<OffchainTokenData[]>

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

Overrides

Chain.getOffchainTokenData

---

getOffRampsForRouter()

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

Defined in: evm/index.ts:729

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

---

getOnRampForOffRamp()

getOnRampForOffRamp(offRamp: string, sourceChainSelector: bigint): Promise<string>

Defined in: evm/index.ts:755

Fetch the OnRamp address 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 OnRamp address

Throws

CCIPVersionUnsupportedError if OffRamp version is not supported

Overrides

Chain.getOnRampForOffRamp

---

getOnRampForRouter()

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

Defined in: evm/index.ts:742

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

---

getRegistryTokenConfig()

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

Defined in: evm/index.ts:1295

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

CCIPTokenNotConfiguredError if token is not configured in registry

Overrides

Chain.getRegistryTokenConfig

---

getRouterForOffRamp()

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

Defined in: evm/index.ts:685

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

Throws

CCIPVersionUnsupportedError if OffRamp version is not supported

Overrides

Chain.getRouterForOffRamp

---

getRouterForOnRamp()

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

Defined in: evm/index.ts:653

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

Throws

CCIPVersionUnsupportedError if OnRamp version is not supported

Overrides

Chain.getRouterForOnRamp

---

getSupportedTokens()

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

Defined in: evm/index.ts:1274

Get the supported tokens for a given contract address.

Parameters

Parameter	Type	Description
registry	string	Router, OnRamp, OffRamp or TokenAdminRegistry contract address.
opts?	{ page?: number; }	Optional parameters.
opts.page?	number	-

Returns

Promise<string[]>

An array of supported token addresses.

Overrides

Chain.getSupportedTokens

---

getTokenAdminRegistryFor()

getTokenAdminRegistryFor(address: string): Promise<string>

Defined in: evm/index.ts:904

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

CCIPContractNotRouterError if address is not a Router, OnRamp, or OffRamp

Overrides

Chain.getTokenAdminRegistryFor

---

getTokenForTokenPool()

getTokenForTokenPool(tokenPool: string): Promise<string>

Defined in: evm/index.ts:817

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

---

getTokenInfo()

getTokenInfo(token: string): Promise<{ decimals: number; name: string; symbol: string; }>

Defined in: evm/index.ts:827

Fetch token metadata.

Parameters

Parameter	Type	Description
token	string	Token address

Returns

Promise<{ decimals: number; name: string; symbol: string; }>

Promise resolving to token symbol, decimals, and optionally name

Overrides

Chain.getTokenInfo

---

getTokenPoolConfig()

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

Defined in: evm/index.ts:1324

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:1238

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: evm/index.ts:1349

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(hash: string | TransactionReceipt): Promise<ChainTransaction>

Defined in: evm/index.ts:336

Fetch a transaction by its hash.

Parameters

Parameter	Type	Description
hash	string | TransactionReceipt	Transaction hash

Returns

Promise<ChainTransaction>

Promise resolving to generic transaction details

Overrides

Chain.getTransaction

---

listAccounts()

listAccounts(): Promise<string[]>

Defined in: evm/index.ts:245

Expose ethers provider's listAccounts, if provider supports it

Returns

Promise<string[]>

---

nextNonce()

nextNonce(address: string): Promise<number>

Defined in: evm/index.ts:255

Get the next nonce for a wallet address and increment the internal counter. Fetches from the network on first call, then uses cached value.

Parameters

Parameter	Type	Description
address	string	Wallet address to get nonce for

Returns

Promise<number>

The next available nonce

---

sendMessage()

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

Defined in: evm/index.ts:1062

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

CCIPWalletInvalidError if wallet is not a valid Signer

Overrides

Chain.sendMessage

---

typeAndVersion()

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

Defined in: evm/index.ts:380

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:428

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; }; }	Log event from the OnRamp.
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

---

_getProvider()

static _getProvider(url: string): Promise<JsonRpcApiProvider>

Defined in: evm/index.ts:270

Creates a JSON-RPC provider from a URL.

Parameters

Parameter	Type	Description
url	string	WebSocket (wss://) or HTTP (https://) endpoint URL.

Returns

Promise<JsonRpcApiProvider>

A ready JSON-RPC provider.

---

buildMessageForDest()

static buildMessageForDest(message: MessageInput): AnyMessage

Defined in: chain.ts:1268

ChainStatic.buildMessageForDest

Parameters

Parameter	Type
message	MessageInput

Returns

AnyMessage

Inherited from

Chain.buildMessageForDest

---

decodeCommits()

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

Defined in: evm/index.ts:499

Decodes commit reports from a log event.

Parameters

Parameter	Type	Description
log	{ data: unknown; topics?: readonly string[]; }	Log event with topics and data.
log.data	unknown	-
log.topics?	readonly string[]	-
lane?	Omit<Lane<CCIPVersion>, "destChainSelector">	Lane info (required for CCIP v1.5 and earlier).

Returns

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

Array of CommitReport or undefined if not a valid commit event.

Throws

CCIPLogDataInvalidError if log data is not valid bytes

Throws

CCIPVersionRequiresLaneError if CCIP v1.5 event but no lane provided

---

decodeExtraArgs()

static decodeExtraArgs(extraArgs: BytesLike): EVMExtraArgsV1 & { _tag: "EVMExtraArgsV1"; } | EVMExtraArgsV1 & { allowOutOfOrderExecution: boolean; } & { _tag: "EVMExtraArgsV2"; } | GenericExtraArgsV3 & { _tag: "GenericExtraArgsV3"; } | SVMExtraArgsV1 & { _tag: "SVMExtraArgsV1"; } | EVMExtraArgsV1 & { allowOutOfOrderExecution: boolean; } & { receiverObjectIds: string[]; tokenReceiver: string; } & { _tag: "SuiExtraArgsV1"; } | undefined

Defined in: evm/index.ts:585

Decodes extra arguments from a CCIP message.

Parameters

Parameter	Type	Description
extraArgs	BytesLike	Encoded extra arguments bytes.

Returns

EVMExtraArgsV1 & { _tag: "EVMExtraArgsV1"; }

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

GenericExtraArgsV3 & { _tag: "GenericExtraArgsV3"; }

SVMExtraArgsV1 & { _tag: "SVMExtraArgsV1"; }

EVMExtraArgsV1 & { allowOutOfOrderExecution: boolean; } & { receiverObjectIds: string[]; tokenReceiver: string; } & { _tag: "SuiExtraArgsV1"; }

undefined

Decoded extra arguments with tag, or undefined if unknown format.

---

decodeMessage()

static decodeMessage(log: { data: unknown; topics?: readonly string[]; }): CCIPMessage | undefined

Defined in: evm/index.ts:396

Decodes a CCIP message from a log event.

Parameters

Parameter	Type	Description
log	{ data: unknown; topics?: readonly string[]; }	Log event with topics and data.
log.data	unknown	-
log.topics?	readonly string[]	-

Returns

CCIPMessage | undefined

Decoded CCIPMessage or undefined if not a valid CCIP message.

Throws

CCIPLogDataInvalidError if log data is not valid bytes

Throws

CCIPMessageDecodeError if message cannot be decoded

---

decodeReceipt()

static decodeReceipt(log: { data: unknown; topics?: readonly string[]; }): ExecutionReceipt | undefined

Defined in: evm/index.ts:555

Decodes an execution receipt from a log event.

Parameters

Parameter	Type	Description
log	{ data: unknown; topics?: readonly string[]; }	Log event with topics and data.
log.data	unknown	-
log.topics?	readonly string[]	-

Returns

ExecutionReceipt | undefined

ExecutionReceipt or undefined if not a valid execution event.

Throws

CCIPLogDataInvalidError if log data is not valid bytes

---

encodeExtraArgs()

static encodeExtraArgs(args: ExtraArgs | undefined): string

Defined in: evm/index.ts:594

Encodes extra arguments for a CCIP message.

Parameters

Parameter	Type	Description
args	ExtraArgs | undefined	Extra arguments to encode.

Returns

string

Encoded extra arguments as hex string.

---

fromProvider()

static fromProvider(provider: JsonRpcApiProvider, ctx?: ChainContext): Promise<EVMChain>

Defined in: evm/index.ts:298

Creates an EVMChain instance from an existing provider.

Parameters

Parameter	Type	Description
provider	JsonRpcApiProvider	JSON-RPC provider instance.
ctx?	ChainContext	context containing logger.

Returns

Promise<EVMChain>

A new EVMChain instance.

---

fromUrl()

static fromUrl(url: string, ctx?: ChainContext): Promise<EVMChain>

Defined in: evm/index.ts:324

Creates an EVMChain instance from an RPC URL.

Parameters

Parameter	Type	Description
url	string	WebSocket (wss://) or HTTP (https://) endpoint URL.
ctx?	ChainContext	Optional context containing logger and API client configuration.

Returns

Promise<EVMChain>

A new EVMChain instance connected to the specified network.

Throws

CCIPChainNotFoundError if chain cannot be identified from chainId

Example

TypeScript

// HTTP connection
const chain = await EVMChain.fromUrl('https://rpc.sepolia.org')

// With custom logger
const chain = await EVMChain.fromUrl(url, { logger: customLogger })

---

getAddress()

static getAddress(bytes: BytesLike): string

Defined in: evm/index.ts:604

Converts bytes to a checksummed EVM address.

Parameters

Parameter	Type	Description
bytes	BytesLike	Bytes to convert (must be 20 bytes or 32 bytes with leading zeros).

Returns

string

Checksummed EVM address.

Throws

CCIPAddressInvalidEvmError if bytes cannot be converted to a valid EVM address

---

getDestLeafHasher()

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

Defined in: evm/index.ts:865

Gets the leaf hasher for computing Merkle proofs on the destination chain.

Parameters

Parameter	Type	Description
lane	Lane	Lane configuration.
ctx?	WithLogger	Context object containing logger.

Returns

LeafHasher

Leaf hasher function.

Throws

CCIPSourceChainUnsupportedError if source chain is not EVM for v1.2/v1.5

Throws

CCIPHasherVersionUnsupportedError if lane version is not supported

---

isTxHash()

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

Defined in: evm/index.ts:621

Validates a transaction hash format for EVM

Parameters

Parameter	Type
v	unknown

Returns

v is `0x${string}`

---

parse()

static parse(data: unknown): Record<string, unknown> | undefined

Defined in: evm/index.ts:1264

Parses raw data into typed structures.

Parameters

Parameter	Type	Description
data	unknown	Raw data to parse.

Returns

Record<string, unknown> | undefined

Parsed data.