Function: encodeExtraArgs()

encodeExtraArgs(args: ExtraArgs, from: ChainFamily): string

Defined in: extra-args.ts:167

Encodes extra arguments for CCIP messages. The args are to a dest network, but are encoded as a message from this source chain. E.g. Solana uses Borsh to encode extraArgs in its produced requests, even those targeting EVM.

Parameters

Parameter	Type	Default value	Description
args	ExtraArgs	undefined	Extra arguments to encode
from	ChainFamily	ChainFamily.EVM	Source chain family for encoding format (defaults to EVM)

Returns

string

Encoded extra arguments as hex string

Throws

CCIPChainFamilyUnsupportedError if chain family not supported

Example

TypeScript

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

const encoded = encodeExtraArgs({
  gasLimit: 200_000n,
  allowOutOfOrderExecution: true,
})
console.log('Encoded:', encoded) // '0x181dcf10...'

See

decodeExtraArgs - Decode extra arguments from bytes